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Lab 3: Audio Processing System #3

Merged
PickleRick merged 43 commits from LAB3 into main 2025-06-07 22:18:48 +02:00
Conversation 1 Commits 43 Files Changed 45 +7176 -1462
45 changed files with 7176 additions and 1462 deletions
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10
.gitignore vendored
View File

@@ -43,7 +43,7 @@
*.wdf
*.lpr
*.bxml
*.zip
# Vivado project directories
*.sim/
@@ -64,6 +64,8 @@ vivado_pid*.str
vivado*.backup.jou
vivado*.backup.log
# Directories to ignore
.venv
# SDK workspace
.sdk/
@@ -78,4 +80,8 @@ vivado*.backup.log
**/design/**/*.xdc
# Other files
**/test/*.zip
**/test/*.zip
**/test/*.exe
*.spec
**/dist/
**/build/

64
LAB3/cons/io.xdc
View File

@@ -1,3 +1,21 @@
# pmod I2S2 connected to JB
set_property IOSTANDARD LVCMOS33 [get_ports rx_lrck_0]
set_property IOSTANDARD LVCMOS33 [get_ports rx_mclk_0]
set_property IOSTANDARD LVCMOS33 [get_ports rx_sclk_0]
set_property IOSTANDARD LVCMOS33 [get_ports rx_sdin_0]
set_property IOSTANDARD LVCMOS33 [get_ports tx_lrck_0]
set_property IOSTANDARD LVCMOS33 [get_ports tx_mclk_0]
set_property IOSTANDARD LVCMOS33 [get_ports tx_sclk_0]
set_property IOSTANDARD LVCMOS33 [get_ports tx_sdout_0]
set_property PACKAGE_PIN A14 [get_ports tx_mclk_0]
set_property PACKAGE_PIN A16 [get_ports tx_lrck_0]
set_property PACKAGE_PIN B15 [get_ports tx_sclk_0]
set_property PACKAGE_PIN B16 [get_ports tx_sdout_0]
set_property PACKAGE_PIN A15 [get_ports rx_mclk_0]
set_property PACKAGE_PIN A17 [get_ports rx_lrck_0]
set_property PACKAGE_PIN C15 [get_ports rx_sclk_0]
set_property PACKAGE_PIN C16 [get_ports rx_sdin_0]
# SPI connected to JA, top row
set_property PACKAGE_PIN J1 [get_ports SPI_M_0_ss_io]
set_property PACKAGE_PIN G2 [get_ports SPI_M_0_sck_io]
@@ -7,7 +25,45 @@ set_property IOSTANDARD LVCMOS33 [get_ports SPI_M_0_io0_io]
set_property IOSTANDARD LVCMOS33 [get_ports SPI_M_0_io1_io]
set_property IOSTANDARD LVCMOS33 [get_ports SPI_M_0_sck_io]
set_property IOSTANDARD LVCMOS33 [get_ports SPI_M_0_ss_io]
set_property OFFCHIP_TERM NONE [get_ports SPI_M_0_io0_io]
set_property OFFCHIP_TERM NONE [get_ports SPI_M_0_io1_io]
set_property OFFCHIP_TERM NONE [get_ports SPI_M_0_sck_io]
set_property OFFCHIP_TERM NONE [get_ports SPI_M_0_ss_io]
# Button
set_property IOSTANDARD LVCMOS33 [get_ports effect]
set_property PACKAGE_PIN T18 [get_ports effect]
# Switch
set_property IOSTANDARD LVCMOS33 [get_ports {lfo_enable}]
set_property PACKAGE_PIN V17 [get_ports {lfo_enable}]
# LEDs
set_property PACKAGE_PIN U16 [get_ports {LED[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[0]}]
set_property PACKAGE_PIN E19 [get_ports {LED[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[1]}]
set_property PACKAGE_PIN U19 [get_ports {LED[2]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[2]}]
set_property PACKAGE_PIN V19 [get_ports {LED[3]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[3]}]
set_property PACKAGE_PIN W18 [get_ports {LED[4]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[4]}]
set_property PACKAGE_PIN U15 [get_ports {LED[5]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[5]}]
set_property PACKAGE_PIN U14 [get_ports {LED[6]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[6]}]
set_property PACKAGE_PIN V14 [get_ports {LED[7]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[7]}]
set_property PACKAGE_PIN V13 [get_ports {LED[8]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[8]}]
set_property PACKAGE_PIN V3 [get_ports {LED[9]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[9]}]
set_property PACKAGE_PIN W3 [get_ports {LED[10]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[10]}]
set_property PACKAGE_PIN U3 [get_ports {LED[11]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[11]}]
set_property PACKAGE_PIN P3 [get_ports {LED[12]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[12]}]
set_property PACKAGE_PIN N3 [get_ports {LED[13]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[13]}]
set_property PACKAGE_PIN P1 [get_ports {LED[14]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[14]}]
set_property PACKAGE_PIN L1 [get_ports {LED[15]}]
set_property IOSTANDARD LVCMOS33 [get_ports {LED[15]}]

557
LAB3/design/diligent_jstk/diligent_jstk.bd
View File

@@ -5,7 +5,7 @@
"device": "xc7a35tcpg236-1",
"name": "diligent_jstk",
"rev_ctrl_bd_flag": "RevCtrlBdOff",
"synth_flow_mode": "None",
"synth_flow_mode": "Hierarchical",
"tool_version": "2020.2",
"validated": "true"
},
@@ -13,9 +13,10 @@
"proc_sys_reset_0": "",
"clk_wiz_0": "",
"AXI4Stream_UART_0": "",
"digilent_jstk2_0": "",
"jstk_uart_bridge_0": "",
"axi4stream_spi_master_0": ""
"axi4stream_spi_master_0": "",
"system_ila_0": "",
"digilent_jstk2_0": ""
},
"interface_ports": {
"usb_uart": {
@@ -83,8 +84,8 @@
},
"clk_wiz_0": {
"vlnv": "xilinx.com:ip:clk_wiz:6.0",
"xci_name": "diligent_jstk_clk_wiz_0_1",
"xci_path": "ip\\diligent_jstk_clk_wiz_0_1\\diligent_jstk_clk_wiz_0_1.xci",
"xci_name": "diligent_jstk_clk_wiz_0_0",
"xci_path": "ip\\diligent_jstk_clk_wiz_0_0\\diligent_jstk_clk_wiz_0_0.xci",
"inst_hier_path": "clk_wiz_0",
"parameters": {
"CLK_IN1_BOARD_INTERFACE": {
@@ -101,6 +102,9 @@
"xci_path": "ip\\diligent_jstk_AXI4Stream_UART_0_0\\diligent_jstk_AXI4Stream_UART_0_0.xci",
"inst_hier_path": "AXI4Stream_UART_0",
"parameters": {
"UART_BAUD_RATE": {
"value": "115200"
},
"UART_BOARD_INTERFACE": {
"value": "usb_uart"
},
@@ -109,216 +113,6 @@
}
}
},
"digilent_jstk2_0": {
"vlnv": "xilinx.com:module_ref:digilent_jstk2:1.0",
"xci_name": "diligent_jstk_digilent_jstk2_0_0",
"xci_path": "ip\\diligent_jstk_digilent_jstk2_0_0\\diligent_jstk_digilent_jstk2_0_0.xci",
"inst_hier_path": "digilent_jstk2_0",
"reference_info": {
"ref_type": "hdl",
"ref_name": "digilent_jstk2",
"boundary_crc": "0x0"
},
"interface_ports": {
"m_axis": {
"mode": "Master",
"vlnv": "xilinx.com:interface:axis_rtl:1.0",
"parameters": {
"TDATA_NUM_BYTES": {
"value": "1",
"value_src": "constant"
},
"TDEST_WIDTH": {
"value": "0",
"value_src": "constant"
},
"TID_WIDTH": {
"value": "0",
"value_src": "constant"
},
"TUSER_WIDTH": {
"value": "0",
"value_src": "constant"
},
"HAS_TREADY": {
"value": "1",
"value_src": "constant"
},
"HAS_TSTRB": {
"value": "0",
"value_src": "constant"
},
"HAS_TKEEP": {
"value": "0",
"value_src": "constant"
},
"HAS_TLAST": {
"value": "0",
"value_src": "constant"
},
"FREQ_HZ": {
"value": "100000000",
"value_src": "ip_prop"
},
"PHASE": {
"value": "0.0",
"value_src": "ip_prop"
},
"CLK_DOMAIN": {
"value": "/clk_wiz_0_clk_out1",
"value_src": "ip_prop"
}
},
"port_maps": {
"TDATA": {
"physical_name": "m_axis_tdata",
"direction": "O",
"left": "7",
"right": "0"
},
"TVALID": {
"physical_name": "m_axis_tvalid",
"direction": "O"
},
"TREADY": {
"physical_name": "m_axis_tready",
"direction": "I"
}
}
},
"s_axis": {
"mode": "Slave",
"vlnv": "xilinx.com:interface:axis_rtl:1.0",
"parameters": {
"TDATA_NUM_BYTES": {
"value": "1",
"value_src": "constant"
},
"TDEST_WIDTH": {
"value": "0",
"value_src": "constant"
},
"TID_WIDTH": {
"value": "0",
"value_src": "constant"
},
"TUSER_WIDTH": {
"value": "0",
"value_src": "constant"
},
"HAS_TREADY": {
"value": "0",
"value_src": "constant"
},
"HAS_TSTRB": {
"value": "0",
"value_src": "constant"
},
"HAS_TKEEP": {
"value": "0",
"value_src": "constant"
},
"HAS_TLAST": {
"value": "0",
"value_src": "constant"
},
"FREQ_HZ": {
"value": "100000000",
"value_src": "ip_prop"
},
"PHASE": {
"value": "0.0",
"value_src": "ip_prop"
},
"CLK_DOMAIN": {
"value": "/clk_wiz_0_clk_out1",
"value_src": "ip_prop"
}
},
"port_maps": {
"TDATA": {
"physical_name": "s_axis_tdata",
"direction": "I",
"left": "7",
"right": "0"
},
"TVALID": {
"physical_name": "s_axis_tvalid",
"direction": "I"
}
}
}
},
"ports": {
"aclk": {
"type": "clk",
"direction": "I",
"parameters": {
"ASSOCIATED_BUSIF": {
"value": "m_axis:s_axis",
"value_src": "constant"
},
"ASSOCIATED_RESET": {
"value": "aresetn",
"value_src": "constant"
},
"FREQ_HZ": {
"value": "100000000",
"value_src": "ip_prop"
},
"PHASE": {
"value": "0.0",
"value_src": "ip_prop"
},
"CLK_DOMAIN": {
"value": "/clk_wiz_0_clk_out1",
"value_src": "ip_prop"
}
}
},
"aresetn": {
"type": "rst",
"direction": "I",
"parameters": {
"POLARITY": {
"value": "ACTIVE_LOW",
"value_src": "constant"
}
}
},
"jstk_x": {
"direction": "O",
"left": "9",
"right": "0"
},
"jstk_y": {
"direction": "O",
"left": "9",
"right": "0"
},
"btn_jstk": {
"direction": "O"
},
"btn_trigger": {
"direction": "O"
},
"led_r": {
"direction": "I",
"left": "7",
"right": "0"
},
"led_g": {
"direction": "I",
"left": "7",
"right": "0"
},
"led_b": {
"direction": "I",
"left": "7",
"right": "0"
}
}
},
"jstk_uart_bridge_0": {
"vlnv": "xilinx.com:module_ref:jstk_uart_bridge:1.0",
"xci_name": "diligent_jstk_jstk_uart_bridge_0_0",
@@ -537,34 +331,266 @@
"vlnv": "DigiLAB:ip:axi4stream_spi_master:1.0",
"xci_name": "diligent_jstk_axi4stream_spi_master_0_0",
"xci_path": "ip\\diligent_jstk_axi4stream_spi_master_0_0\\diligent_jstk_axi4stream_spi_master_0_0.xci",
"inst_hier_path": "axi4stream_spi_master_0"
"inst_hier_path": "axi4stream_spi_master_0",
"parameters": {
"c_sclkfreq": {
"value": "5000"
}
}
},
"system_ila_0": {
"vlnv": "xilinx.com:ip:system_ila:1.1",
"xci_name": "diligent_jstk_system_ila_0_0",
"xci_path": "ip\\diligent_jstk_system_ila_0_0\\diligent_jstk_system_ila_0_0.xci",
"inst_hier_path": "system_ila_0",
"parameters": {
"C_MON_TYPE": {
"value": "MIX"
},
"C_NUM_MONITOR_SLOTS": {
"value": "2"
},
"C_NUM_OF_PROBES": {
"value": "7"
},
"C_SLOT": {
"value": "1"
},
"C_SLOT_0_INTF_TYPE": {
"value": "xilinx.com:interface:axis_rtl:1.0"
},
"C_SLOT_1_INTF_TYPE": {
"value": "xilinx.com:interface:axis_rtl:1.0"
}
},
"interface_ports": {
"SLOT_0_AXIS": {
"mode": "Monitor",
"vlnv": "xilinx.com:interface:axis_rtl:1.0"
},
"SLOT_1_AXIS": {
"mode": "Monitor",
"vlnv": "xilinx.com:interface:axis_rtl:1.0"
}
}
},
"digilent_jstk2_0": {
"vlnv": "xilinx.com:module_ref:digilent_jstk2:1.0",
"xci_name": "diligent_jstk_digilent_jstk2_0_0",
"xci_path": "ip\\diligent_jstk_digilent_jstk2_0_0\\diligent_jstk_digilent_jstk2_0_0.xci",
"inst_hier_path": "digilent_jstk2_0",
"parameters": {
"SPI_SCLKFREQ": {
"value": "5000"
}
},
"reference_info": {
"ref_type": "hdl",
"ref_name": "digilent_jstk2",
"boundary_crc": "0x0"
},
"interface_ports": {
"m_axis": {
"mode": "Master",
"vlnv": "xilinx.com:interface:axis_rtl:1.0",
"parameters": {
"TDATA_NUM_BYTES": {
"value": "1",
"value_src": "constant"
},
"TDEST_WIDTH": {
"value": "0",
"value_src": "constant"
},
"TID_WIDTH": {
"value": "0",
"value_src": "constant"
},
"TUSER_WIDTH": {
"value": "0",
"value_src": "constant"
},
"HAS_TREADY": {
"value": "1",
"value_src": "constant"
},
"HAS_TSTRB": {
"value": "0",
"value_src": "constant"
},
"HAS_TKEEP": {
"value": "0",
"value_src": "constant"
},
"HAS_TLAST": {
"value": "0",
"value_src": "constant"
},
"FREQ_HZ": {
"value": "100000000",
"value_src": "ip_prop"
},
"PHASE": {
"value": "0.0",
"value_src": "ip_prop"
},
"CLK_DOMAIN": {
"value": "/clk_wiz_0_clk_out1",
"value_src": "ip_prop"
}
},
"port_maps": {
"TDATA": {
"physical_name": "m_axis_tdata",
"direction": "O",
"left": "7",
"right": "0"
},
"TVALID": {
"physical_name": "m_axis_tvalid",
"direction": "O"
},
"TREADY": {
"physical_name": "m_axis_tready",
"direction": "I"
}
}
},
"s_axis": {
"mode": "Slave",
"vlnv": "xilinx.com:interface:axis_rtl:1.0",
"parameters": {
"TDATA_NUM_BYTES": {
"value": "1",
"value_src": "constant"
},
"TDEST_WIDTH": {
"value": "0",
"value_src": "constant"
},
"TID_WIDTH": {
"value": "0",
"value_src": "constant"
},
"TUSER_WIDTH": {
"value": "0",
"value_src": "constant"
},
"HAS_TREADY": {
"value": "0",
"value_src": "constant"
},
"HAS_TSTRB": {
"value": "0",
"value_src": "constant"
},
"HAS_TKEEP": {
"value": "0",
"value_src": "constant"
},
"HAS_TLAST": {
"value": "0",
"value_src": "constant"
},
"FREQ_HZ": {
"value": "100000000",
"value_src": "ip_prop"
},
"PHASE": {
"value": "0.0",
"value_src": "ip_prop"
},
"CLK_DOMAIN": {
"value": "/clk_wiz_0_clk_out1",
"value_src": "ip_prop"
}
},
"port_maps": {
"TDATA": {
"physical_name": "s_axis_tdata",
"direction": "I",
"left": "7",
"right": "0"
},
"TVALID": {
"physical_name": "s_axis_tvalid",
"direction": "I"
}
}
}
},
"ports": {
"aclk": {
"type": "clk",
"direction": "I",
"parameters": {
"ASSOCIATED_BUSIF": {
"value": "m_axis:s_axis",
"value_src": "constant"
},
"ASSOCIATED_RESET": {
"value": "aresetn",
"value_src": "constant"
},
"FREQ_HZ": {
"value": "100000000",
"value_src": "ip_prop"
},
"PHASE": {
"value": "0.0",
"value_src": "ip_prop"
},
"CLK_DOMAIN": {
"value": "/clk_wiz_0_clk_out1",
"value_src": "ip_prop"
}
}
},
"aresetn": {
"type": "rst",
"direction": "I",
"parameters": {
"POLARITY": {
"value": "ACTIVE_LOW",
"value_src": "constant"
}
}
},
"jstk_x": {
"direction": "O",
"left": "9",
"right": "0"
},
"jstk_y": {
"direction": "O",
"left": "9",
"right": "0"
},
"btn_jstk": {
"direction": "O"
},
"btn_trigger": {
"direction": "O"
},
"led_r": {
"direction": "I",
"left": "7",
"right": "0"
},
"led_g": {
"direction": "I",
"left": "7",
"right": "0"
},
"led_b": {
"direction": "I",
"left": "7",
"right": "0"
}
}
}
},
"interface_nets": {
"jstk_uart_bridge_0_m_axis": {
"interface_ports": [
"AXI4Stream_UART_0/S00_AXIS_TX",
"jstk_uart_bridge_0/m_axis"
]
},
"axi4stream_spi_master_0_M_AXIS": {
"interface_ports": [
"axi4stream_spi_master_0/M_AXIS",
"digilent_jstk2_0/s_axis"
]
},
"digilent_jstk2_0_m_axis": {
"interface_ports": [
"digilent_jstk2_0/m_axis",
"axi4stream_spi_master_0/S_AXIS"
]
},
"AXI4Stream_UART_0_UART": {
"interface_ports": [
"usb_uart",
"AXI4Stream_UART_0/UART"
]
},
"AXI4Stream_UART_0_M00_AXIS_RX": {
"interface_ports": [
"AXI4Stream_UART_0/M00_AXIS_RX",
@@ -576,6 +602,32 @@
"SPI_M_0",
"axi4stream_spi_master_0/SPI_M"
]
},
"axi4stream_spi_master_0_M_AXIS": {
"interface_ports": [
"axi4stream_spi_master_0/M_AXIS",
"digilent_jstk2_0/s_axis",
"system_ila_0/SLOT_1_AXIS"
]
},
"jstk_uart_bridge_0_m_axis": {
"interface_ports": [
"AXI4Stream_UART_0/S00_AXIS_TX",
"jstk_uart_bridge_0/m_axis"
]
},
"digilent_jstk2_0_m_axis": {
"interface_ports": [
"digilent_jstk2_0/m_axis",
"axi4stream_spi_master_0/S_AXIS",
"system_ila_0/SLOT_0_AXIS"
]
},
"AXI4Stream_UART_0_UART": {
"interface_ports": [
"usb_uart",
"AXI4Stream_UART_0/UART"
]
}
},
"nets": {
@@ -603,63 +655,72 @@
"clk_wiz_0/clk_out1",
"proc_sys_reset_0/slowest_sync_clk",
"axi4stream_spi_master_0/aclk",
"digilent_jstk2_0/aclk",
"AXI4Stream_UART_0/clk_uart",
"AXI4Stream_UART_0/m00_axis_rx_aclk",
"jstk_uart_bridge_0/aclk",
"AXI4Stream_UART_0/s00_axis_tx_aclk"
"AXI4Stream_UART_0/s00_axis_tx_aclk",
"system_ila_0/clk",
"digilent_jstk2_0/aclk"
]
},
"digilent_jstk2_0_btn_trigger": {
"ports": [
"digilent_jstk2_0/btn_trigger",
"jstk_uart_bridge_0/btn_trigger"
"jstk_uart_bridge_0/btn_trigger",
"system_ila_0/probe6"
]
},
"digilent_jstk2_0_btn_jstk": {
"ports": [
"digilent_jstk2_0/btn_jstk",
"jstk_uart_bridge_0/btn_jstk"
"jstk_uart_bridge_0/btn_jstk",
"system_ila_0/probe5"
]
},
"digilent_jstk2_0_jstk_y": {
"ports": [
"digilent_jstk2_0/jstk_y",
"jstk_uart_bridge_0/jstk_y"
"jstk_uart_bridge_0/jstk_y",
"system_ila_0/probe4"
]
},
"digilent_jstk2_0_jstk_x": {
"ports": [
"digilent_jstk2_0/jstk_x",
"jstk_uart_bridge_0/jstk_x"
"jstk_uart_bridge_0/jstk_x",
"system_ila_0/probe3"
]
},
"jstk_uart_bridge_0_led_r": {
"ports": [
"jstk_uart_bridge_0/led_r",
"system_ila_0/probe0",
"digilent_jstk2_0/led_r"
]
},
"jstk_uart_bridge_0_led_g": {
"ports": [
"jstk_uart_bridge_0/led_g",
"system_ila_0/probe1",
"digilent_jstk2_0/led_g"
]
},
"jstk_uart_bridge_0_led_b": {
"ports": [
"jstk_uart_bridge_0/led_b",
"system_ila_0/probe2",
"digilent_jstk2_0/led_b"
]
},
"proc_sys_reset_0_peripheral_aresetn": {
"ports": [
"proc_sys_reset_0/peripheral_aresetn",
"digilent_jstk2_0/aresetn",
"AXI4Stream_UART_0/m00_axis_rx_aresetn",
"jstk_uart_bridge_0/aresetn",
"AXI4Stream_UART_0/s00_axis_tx_aresetn",
"axi4stream_spi_master_0/aresetn"
"axi4stream_spi_master_0/aresetn",
"system_ila_0/resetn",
"digilent_jstk2_0/aresetn"
]
},
"proc_sys_reset_0_peripheral_reset": {

12
LAB3/design/diligent_jstk/diligent_jstk.bda
View File

@@ -26,17 +26,17 @@
<data key="VT">VR</data>
</node>
<node id="n1">
<data key="VM">diligent_jstk</data>
<data key="VT">BC</data>
</node>
<node id="n2">
<data key="TU">active</data>
<data key="VH">2</data>
<data key="VT">PM</data>
</node>
<node id="n2">
<data key="VM">diligent_jstk</data>
<data key="VT">BC</data>
</node>
<edge id="e0" source="n2" target="n0">
<edge id="e0" source="n1" target="n0">
</edge>
<edge id="e1" source="n0" target="n1">
<edge id="e1" source="n0" target="n2">
</edge>
</graph>
</graphml>

10
LAB3/design/diligent_jstk/hdl/diligent_jstk_wrapper.vhd
View File

@@ -1,8 +1,8 @@
--Copyright 1986-2020 Xilinx, Inc. All Rights Reserved.
----------------------------------------------------------------------------------
--Tool Version: Vivado v.2020.2 (win64) Build 3064766 Wed Nov 18 09:12:45 MST 2020
--Date : Mon May 12 15:44:44 2025
--Host : Davide-Samsung running 64-bit major release (build 9200)
--Date : Fri May 30 13:56:20 2025
--Host : DavideASUS running 64-bit major release (build 9200)
--Command : generate_target diligent_jstk_wrapper.bd
--Design : diligent_jstk_wrapper
--Purpose : IP block netlist
@@ -29,8 +29,6 @@ architecture STRUCTURE of diligent_jstk_wrapper is
port (
reset : in STD_LOGIC;
sys_clock : in STD_LOGIC;
usb_uart_txd : out STD_LOGIC;
usb_uart_rxd : in STD_LOGIC;
SPI_M_0_sck_t : out STD_LOGIC;
SPI_M_0_io1_o : out STD_LOGIC;
SPI_M_0_ss_t : out STD_LOGIC;
@@ -42,7 +40,9 @@ architecture STRUCTURE of diligent_jstk_wrapper is
SPI_M_0_sck_o : out STD_LOGIC;
SPI_M_0_ss_i : in STD_LOGIC;
SPI_M_0_io1_i : in STD_LOGIC;
SPI_M_0_io0_i : in STD_LOGIC
SPI_M_0_io0_i : in STD_LOGIC;
usb_uart_txd : out STD_LOGIC;
usb_uart_rxd : in STD_LOGIC
);
end component diligent_jstk;
component IOBUF is

4
LAB3/design/lab_3/hdl/lab_3_wrapper.vhd
View File

@@ -1,8 +1,8 @@
--Copyright 1986-2020 Xilinx, Inc. All Rights Reserved.
----------------------------------------------------------------------------------
--Tool Version: Vivado v.2020.2 (win64) Build 3064766 Wed Nov 18 09:12:45 MST 2020
--Date : Mon May 12 14:54:08 2025
--Host : Davide-Samsung running 64-bit major release (build 9200)
--Date : Fri May 30 14:28:09 2025
--Host : DavideASUS running 64-bit major release (build 9200)
--Command : generate_target lab_3_wrapper.bd
--Design : lab_3_wrapper
--Purpose : IP block netlist

1432
LAB3/design/lab_3/lab_3.bd
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File diff suppressed because it is too large Load Diff

12
LAB3/design/lab_3/lab_3.bda
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@@ -26,17 +26,17 @@
<data key="VT">VR</data>
</node>
<node id="n1">
<data key="VM">lab_3</data>
<data key="VT">BC</data>
</node>
<node id="n2">
<data key="TU">active</data>
<data key="VH">2</data>
<data key="VT">PM</data>
</node>
<node id="n2">
<data key="VM">lab_3</data>
<data key="VT">BC</data>
</node>
<edge id="e0" source="n2" target="n0">
<edge id="e0" source="n1" target="n0">
</edge>
<edge id="e1" source="n0" target="n1">
<edge id="e1" source="n0" target="n2">
</edge>
</graph>
</graphml>

3
LAB3/sim/ReadMe.md
View File

@@ -1,3 +0,0 @@
# Placeholder
This is a placeholder.

146
LAB3/sim/tb_LFO.vhd Normal file
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@@ -0,0 +1,146 @@
-- filepath: c:\DESD\LAB3\sim\tb_LFO.vhd
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;
ENTITY tb_LFO IS
END tb_LFO;
ARCHITECTURE sim OF tb_LFO IS
CONSTANT CHANNEL_LENGHT : INTEGER := 24;
CONSTANT JOYSTICK_LENGHT : INTEGER := 10;
CONSTANT TRIANGULAR_COUNTER_LENGHT: INTEGER := 10;
CONSTANT CLK_PERIOD_NS : INTEGER := 10;
SIGNAL aclk : STD_LOGIC := '0';
SIGNAL aresetn : STD_LOGIC := '0';
SIGNAL lfo_period : STD_LOGIC_VECTOR(JOYSTICK_LENGHT-1 DOWNTO 0) := (OTHERS => '0');
SIGNAL lfo_enable : STD_LOGIC := '0';
SIGNAL s_axis_tvalid : STD_LOGIC := '0';
SIGNAL s_axis_tdata : STD_LOGIC_VECTOR(CHANNEL_LENGHT-1 DOWNTO 0) := (OTHERS => '0');
SIGNAL s_axis_tlast : STD_LOGIC := '0';
SIGNAL s_axis_tready : STD_LOGIC;
SIGNAL m_axis_tvalid : STD_LOGIC;
SIGNAL m_axis_tdata : STD_LOGIC_VECTOR(CHANNEL_LENGHT-1 DOWNTO 0);
SIGNAL m_axis_tlast : STD_LOGIC;
SIGNAL m_axis_tready : STD_LOGIC := '1';
-- DUT
COMPONENT LFO
GENERIC (
CHANNEL_LENGHT : INTEGER := 24;
JOYSTICK_LENGHT : INTEGER := 10;
CLK_PERIOD_NS : INTEGER := 10;
TRIANGULAR_COUNTER_LENGHT : INTEGER := 10
);
PORT (
aclk : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
lfo_period : IN STD_LOGIC_VECTOR(JOYSTICK_LENGHT-1 DOWNTO 0);
lfo_enable : IN STD_LOGIC;
s_axis_tvalid : IN STD_LOGIC;
s_axis_tdata : IN STD_LOGIC_VECTOR(CHANNEL_LENGHT-1 DOWNTO 0);
s_axis_tlast : IN STD_LOGIC;
s_axis_tready : OUT STD_LOGIC;
m_axis_tvalid : OUT STD_LOGIC;
m_axis_tdata : OUT STD_LOGIC_VECTOR(CHANNEL_LENGHT-1 DOWNTO 0);
m_axis_tlast : OUT STD_LOGIC;
m_axis_tready : IN STD_LOGIC
);
END COMPONENT;
BEGIN
-- Clock generation
clk_proc : PROCESS
BEGIN
aclk <= '0';
WAIT FOR 5 ns;
aclk <= '1';
WAIT FOR 5 ns;
END PROCESS;
-- DUT instantiation
dut: LFO
GENERIC MAP (
CHANNEL_LENGHT => CHANNEL_LENGHT,
JOYSTICK_LENGHT => JOYSTICK_LENGHT,
CLK_PERIOD_NS => CLK_PERIOD_NS,
TRIANGULAR_COUNTER_LENGHT => TRIANGULAR_COUNTER_LENGHT
)
PORT MAP (
aclk => aclk,
aresetn => aresetn,
lfo_period => lfo_period,
lfo_enable => lfo_enable,
s_axis_tvalid => s_axis_tvalid,
s_axis_tdata => s_axis_tdata,
s_axis_tlast => s_axis_tlast,
s_axis_tready => s_axis_tready,
m_axis_tvalid => m_axis_tvalid,
m_axis_tdata => m_axis_tdata,
m_axis_tlast => m_axis_tlast,
m_axis_tready => m_axis_tready
);
-- Stimulus process
stim_proc : PROCESS
VARIABLE data_cnt : INTEGER := 0;
VARIABLE lr_flag : STD_LOGIC := '0'; -- '0' = SX, '1' = DX
BEGIN
-- Reset
aresetn <= '0';
WAIT FOR 20 ns;
aresetn <= '1';
WAIT FOR 10 ns;
-- Imposta parametri iniziali
lfo_enable <= '1';
lfo_period <= std_logic_vector(to_unsigned(1023, JOYSTICK_LENGHT));
WHILE TRUE LOOP
-- Prepara il dato
IF lr_flag = '0' THEN
-- SX: aggiungi +100
s_axis_tdata <= std_logic_vector(to_signed(data_cnt + 100, CHANNEL_LENGHT));
s_axis_tlast <= '0';
ELSE
-- DX: valore normale
s_axis_tdata <= std_logic_vector(to_signed(data_cnt, CHANNEL_LENGHT));
s_axis_tlast <= '1';
END IF;
s_axis_tvalid <= '1';
-- Attendi handshake
WAIT UNTIL rising_edge(aclk);
WHILE s_axis_tready = '0' LOOP
WAIT UNTIL rising_edge(aclk);
END LOOP;
-- Dopo handshake, aggiorna flag/counter
IF lr_flag = '0' THEN
lr_flag := '1'; -- prossimo sar<61> DX
ELSE
lr_flag := '0'; -- prossimo sar<61> SX
data_cnt := data_cnt + 1; -- passa al prossimo campione solo dopo DX
END IF;
END LOOP;
END PROCESS;
-- Simula backpressure abbassando m_axis_tready ogni tanto
backpressure_proc : PROCESS
BEGIN
WAIT FOR 200 ns;
WAIT UNTIL rising_edge(aclk);
m_axis_tready <= '0';
WAIT FOR 500 ns;
WAIT UNTIL rising_edge(aclk);
m_axis_tready <= '1';
WAIT;
END PROCESS;
END sim;

170
LAB3/sim/tb_balance_controller.vhd Normal file
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@@ -0,0 +1,170 @@
----------------------------------------------------------------------------------
-- Testbench for balance_controller
----------------------------------------------------------------------------------
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
ENTITY tb_balance_controller IS
END tb_balance_controller;
ARCHITECTURE Behavioral OF tb_balance_controller IS
CONSTANT TDATA_WIDTH : POSITIVE := 24;
CONSTANT BALANCE_WIDTH : POSITIVE := 10;
CONSTANT BALANCE_STEP_2 : POSITIVE := 6;
CONSTANT N_SAMPLES : INTEGER := 8;
CONSTANT N_BALANCES : INTEGER := 5;
COMPONENT balance_controller IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24;
BALANCE_WIDTH : POSITIVE := 10;
BALANCE_STEP_2 : POSITIVE := 6
);
PORT (
aclk : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
s_axis_tvalid : IN STD_LOGIC;
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
s_axis_tready : OUT STD_LOGIC;
s_axis_tlast : IN STD_LOGIC;
m_axis_tvalid : OUT STD_LOGIC;
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
m_axis_tready : IN STD_LOGIC;
m_axis_tlast : OUT STD_LOGIC;
balance : IN STD_LOGIC_VECTOR(BALANCE_WIDTH - 1 DOWNTO 0)
);
END COMPONENT;
SIGNAL aclk : STD_LOGIC := '0';
SIGNAL aresetn : STD_LOGIC := '0';
SIGNAL s_axis_tvalid : STD_LOGIC := '0';
SIGNAL s_axis_tdata : STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0) := (OTHERS => '0');
SIGNAL s_axis_tlast : STD_LOGIC := '0';
SIGNAL s_axis_tready : STD_LOGIC;
SIGNAL m_axis_tvalid : STD_LOGIC;
SIGNAL m_axis_tdata : STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
SIGNAL m_axis_tlast : STD_LOGIC;
SIGNAL m_axis_tready : STD_LOGIC := '1';
SIGNAL balance : STD_LOGIC_VECTOR(BALANCE_WIDTH - 1 DOWNTO 0) := (OTHERS => '0');
-- Test input samples
TYPE sample_mem_type IS ARRAY(0 TO N_SAMPLES-1) OF STD_LOGIC_VECTOR(TDATA_WIDTH-1 DOWNTO 0);
SIGNAL sample_mem : sample_mem_type := (
x"000100", -- +256
x"FFFE00", -- -512
x"000001", -- +1
x"FFFFFF", -- -1 (2's comp)
x"7FFFFF", -- max positive
x"800000", -- max negative
x"000A00", -- +2560
x"FFF600" -- -2560
);
-- Balance values: left, center, right, slightly left, slightly right
TYPE balance_mem_type IS ARRAY(0 TO N_BALANCES-1) OF STD_LOGIC_VECTOR(BALANCE_WIDTH-1 DOWNTO 0);
SIGNAL balance_mem : balance_mem_type := (
std_logic_vector(to_unsigned(0, BALANCE_WIDTH)), -- full left
std_logic_vector(to_unsigned(480, BALANCE_WIDTH)), -- center
std_logic_vector(to_unsigned(1023, BALANCE_WIDTH)), -- full right
std_logic_vector(to_unsigned(240, BALANCE_WIDTH)), -- slightly left
std_logic_vector(to_unsigned(800, BALANCE_WIDTH)) -- slightly right
);
BEGIN
-- Clock generation
aclk <= NOT aclk AFTER 5 ns;
-- DUT instantiation
uut: balance_controller
GENERIC MAP (
TDATA_WIDTH => TDATA_WIDTH,
BALANCE_WIDTH => BALANCE_WIDTH,
BALANCE_STEP_2 => BALANCE_STEP_2
)
PORT MAP (
aclk => aclk,
aresetn => aresetn,
s_axis_tvalid => s_axis_tvalid,
s_axis_tdata => s_axis_tdata,
s_axis_tready => s_axis_tready,
s_axis_tlast => s_axis_tlast,
m_axis_tvalid => m_axis_tvalid,
m_axis_tdata => m_axis_tdata,
m_axis_tready => m_axis_tready,
m_axis_tlast => m_axis_tlast,
balance => balance
);
-- Stimulus process
stimulus : PROCESS
BEGIN
-- Reset
WAIT FOR 10 ns;
aresetn <= '1';
WAIT UNTIL rising_edge(aclk);
-- Set balance to center
balance <= balance_mem(1);
WAIT UNTIL rising_edge(aclk);
-- Send all samples (center)
FOR i IN 0 TO N_SAMPLES-1 LOOP
s_axis_tdata <= sample_mem(i);
s_axis_tvalid <= '1';
IF i = N_SAMPLES-1 THEN
s_axis_tlast <= '1';
ELSE
s_axis_tlast <= '0';
END IF;
WAIT UNTIL rising_edge(aclk);
WHILE s_axis_tready = '0' LOOP
WAIT UNTIL rising_edge(aclk);
END LOOP;
END LOOP;
s_axis_tvalid <= '0';
s_axis_tlast <= '0';
-- Change balance to full left
WAIT FOR 20 ns;
balance <= balance_mem(0);
-- Send one more sample (left)
WAIT UNTIL rising_edge(aclk);
s_axis_tdata <= x"000100";
s_axis_tvalid <= '1';
s_axis_tlast <= '1';
WAIT UNTIL rising_edge(aclk);
WHILE s_axis_tready = '0' LOOP
WAIT UNTIL rising_edge(aclk);
END LOOP;
s_axis_tvalid <= '0';
s_axis_tlast <= '0';
-- Sweep through other balance values
FOR i IN 2 TO N_BALANCES-1 LOOP
WAIT FOR 20 ns;
balance <= balance_mem(i);
WAIT UNTIL rising_edge(aclk);
END LOOP;
-- Wait and finish
WAIT FOR 100 ns;
WAIT;
END PROCESS;
-- Optionally, block m_axis_tready to test backpressure
PROCESS
BEGIN
WAIT FOR 60 ns;
WAIT UNTIL rising_edge(aclk);
m_axis_tready <= '0';
WAIT FOR 20 ns;
WAIT UNTIL rising_edge(aclk);
m_axis_tready <= '1';
WAIT;
END PROCESS;
END Behavioral;

160
LAB3/sim/tb_digilent_jstk2.vhd Normal file
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@@ -0,0 +1,160 @@
----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 05/13/2025
-- Design Name:
-- Module Name: tb_digilent_jstk2 - sim
-- Project Name:
-- Target Devices:
-- Tool Versions:
-- Description: Testbench for digilent_jstk2, sends data only after CMDSETLEDRGB is received
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;
ENTITY tb_digilent_jstk2 IS
END tb_digilent_jstk2;
ARCHITECTURE sim OF tb_digilent_jstk2 IS
-- Testbench constants
CONSTANT CLKFREQ : INTEGER := 100_000_000;
CONSTANT DELAY_US : INTEGER := 25;
CONSTANT SPI_SCLKFREQ : INTEGER := 5_000;
CONSTANT CMDSETLEDRGB : STD_LOGIC_VECTOR(7 DOWNTO 0) := x"84";
-- Component declaration for digilent_jstk2
COMPONENT digilent_jstk2 IS
GENERIC (
DELAY_US : INTEGER;
CLKFREQ : INTEGER;
SPI_SCLKFREQ : INTEGER
);
PORT (
aclk : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
m_axis_tvalid : OUT STD_LOGIC;
m_axis_tdata : OUT STD_LOGIC_VECTOR(7 DOWNTO 0);
m_axis_tready : IN STD_LOGIC;
s_axis_tvalid : IN STD_LOGIC;
s_axis_tdata : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
jstk_x : OUT STD_LOGIC_VECTOR(9 DOWNTO 0);
jstk_y : OUT STD_LOGIC_VECTOR(9 DOWNTO 0);
btn_jstk : OUT STD_LOGIC;
btn_trigger : OUT STD_LOGIC;
led_r : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
led_g : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
led_b : IN STD_LOGIC_VECTOR(7 DOWNTO 0)
);
END COMPONENT;
-- Signals for DUT
SIGNAL aclk : STD_LOGIC := '0';
SIGNAL aresetn : STD_LOGIC := '0';
SIGNAL m_axis_tvalid : STD_LOGIC;
SIGNAL m_axis_tdata : STD_LOGIC_VECTOR(7 DOWNTO 0);
SIGNAL m_axis_tready : STD_LOGIC := '1'; -- Always ready in TB
SIGNAL s_axis_tvalid : STD_LOGIC := '0';
SIGNAL s_axis_tdata : STD_LOGIC_VECTOR(7 DOWNTO 0) := (OTHERS => '0');
SIGNAL jstk_x : STD_LOGIC_VECTOR(9 DOWNTO 0);
SIGNAL jstk_y : STD_LOGIC_VECTOR(9 DOWNTO 0);
SIGNAL btn_jstk : STD_LOGIC;
SIGNAL btn_trigger : STD_LOGIC;
SIGNAL led_r : STD_LOGIC_VECTOR(7 DOWNTO 0) := x"AA";
SIGNAL led_g : STD_LOGIC_VECTOR(7 DOWNTO 0) := x"55";
SIGNAL led_b : STD_LOGIC_VECTOR(7 DOWNTO 0) := x"FF";
-- Stimulus memory for SPI responses (simulate JSTK2 module)
TYPE spi_mem_type IS ARRAY(0 TO 4) OF STD_LOGIC_VECTOR(7 DOWNTO 0);
SIGNAL spi_mem : spi_mem_type := (
0 => x"34", -- JSTK_X_LOW
1 => x"02", -- JSTK_X_HIGH (2 LSBs used)
2 => x"56", -- JSTK_Y_LOW
3 => x"01", -- JSTK_Y_HIGH (2 LSBs used)
4 => "00000011" -- BUTTONS: btn_jstk='1', btn_trigger='1'
);
BEGIN
-- Clock generation
aclk <= NOT aclk AFTER 5 ns;
-- DUT instantiation
uut : digilent_jstk2
GENERIC MAP(
DELAY_US => DELAY_US,
CLKFREQ => CLKFREQ,
SPI_SCLKFREQ => SPI_SCLKFREQ
)
PORT MAP(
aclk => aclk,
aresetn => aresetn,
m_axis_tvalid => m_axis_tvalid,
m_axis_tdata => m_axis_tdata,
m_axis_tready => m_axis_tready,
s_axis_tvalid => s_axis_tvalid,
s_axis_tdata => s_axis_tdata,
jstk_x => jstk_x,
jstk_y => jstk_y,
btn_jstk => btn_jstk,
btn_trigger => btn_trigger,
led_r => led_r,
led_g => led_g,
led_b => led_b
);
-- Stimulus process
stimulus : PROCESS
VARIABLE send_data : BOOLEAN := FALSE;
VARIABLE mem_idx : INTEGER := 0;
BEGIN
-- Reset
aresetn <= '0';
WAIT FOR 20 ns;
aresetn <= '1';
WAIT UNTIL rising_edge(aclk);
-- Wait for the DUT to start sending SPI packets
WAIT FOR 1000 ns;
-- Main loop: wait for CMDSETLEDRGB, then send mem bytes for each byte received
WHILE TRUE LOOP
WAIT UNTIL rising_edge(aclk);
-- Default: s_axis_tvalid low unless sending
s_axis_tvalid <= '0';
IF m_axis_tvalid = '1' THEN
IF m_axis_tdata = CMDSETLEDRGB THEN
send_data := TRUE;
mem_idx := 0;
END IF;
IF send_data AND mem_idx <= 4 THEN
-- Present data for one cycle when master is ready
s_axis_tdata <= spi_mem(mem_idx);
s_axis_tvalid <= '1';
WAIT UNTIL rising_edge(aclk); -- handshake
s_axis_tvalid <= '0';
mem_idx := mem_idx + 1;
-- Simula il tempo di risposta reale del JSTK2 (1,6 ms per byte)
WAIT FOR 1600 us;
IF mem_idx > 4 THEN
send_data := FALSE;
END IF;
END IF;
END IF;
END LOOP;
END PROCESS;
END sim;

142
LAB3/sim/tb_moving_average.vhd Normal file
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@@ -0,0 +1,142 @@
-- filepath: c:\DESD\LAB3\sim\tb_moving_average.vhd
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;
ENTITY tb_moving_average IS
END tb_moving_average;
ARCHITECTURE sim OF tb_moving_average IS
CONSTANT TDATA_WIDTH : INTEGER := 24;
CONSTANT FILTER_ORDER_PWR : INTEGER := 5;
SIGNAL aclk : STD_LOGIC := '0';
SIGNAL aresetn : STD_LOGIC := '0';
SIGNAL s_axis_tvalid : STD_LOGIC := '0';
SIGNAL s_axis_tdata : STD_LOGIC_VECTOR(TDATA_WIDTH-1 DOWNTO 0) := (OTHERS => '0');
SIGNAL s_axis_tlast : STD_LOGIC := '0';
SIGNAL s_axis_tready : STD_LOGIC;
SIGNAL m_axis_tvalid : STD_LOGIC;
SIGNAL m_axis_tdata : STD_LOGIC_VECTOR(TDATA_WIDTH-1 DOWNTO 0);
SIGNAL m_axis_tlast : STD_LOGIC;
SIGNAL m_axis_tready : STD_LOGIC := '1';
SIGNAL enable_filter : STD_LOGIC := '0';
-- DUT
COMPONENT moving_average_filter_en
GENERIC (
FILTER_ORDER_POWER : INTEGER := 5;
TDATA_WIDTH : POSITIVE := 24
);
PORT (
aclk : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
s_axis_tvalid : IN STD_LOGIC;
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH-1 DOWNTO 0);
s_axis_tlast : IN STD_LOGIC;
s_axis_tready : OUT STD_LOGIC;
m_axis_tvalid : OUT STD_LOGIC;
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH-1 DOWNTO 0);
m_axis_tlast : OUT STD_LOGIC;
m_axis_tready : IN STD_LOGIC;
enable_filter : IN STD_LOGIC
);
END COMPONENT;
BEGIN
-- Clock generation
clk_proc : PROCESS
BEGIN
aclk <= '0';
WAIT FOR 5 ns;
aclk <= '1';
WAIT FOR 5 ns;
END PROCESS;
-- DUT instantiation
dut: moving_average_filter_en
GENERIC MAP (
FILTER_ORDER_POWER => FILTER_ORDER_PWR,
TDATA_WIDTH => TDATA_WIDTH
)
PORT MAP (
aclk => aclk,
aresetn => aresetn,
s_axis_tvalid => s_axis_tvalid,
s_axis_tdata => s_axis_tdata,
s_axis_tlast => s_axis_tlast,
s_axis_tready => s_axis_tready,
m_axis_tvalid => m_axis_tvalid,
m_axis_tdata => m_axis_tdata,
m_axis_tlast => m_axis_tlast,
m_axis_tready => m_axis_tready,
enable_filter => enable_filter
);
-- Stimulus process
stim_proc : PROCESS
BEGIN
-- Reset
aresetn <= '0';
WAIT FOR 20 ns;
aresetn <= '1';
WAIT FOR 10 ns;
-- Test All Pass (enable_filter = '0')
enable_filter <= '0';
FOR i IN 0 TO 7 LOOP
-- SX sample
s_axis_tdata <= std_logic_vector(to_signed(i*100, TDATA_WIDTH));
s_axis_tvalid <= '1';
s_axis_tlast <= '0';
WAIT UNTIL rising_edge(aclk);
WHILE s_axis_tready /= '1' LOOP
WAIT UNTIL rising_edge(aclk);
END LOOP;
s_axis_tvalid <= '0';
-- DX sample (tlast high)
s_axis_tdata <= std_logic_vector(to_signed(i*100+50, TDATA_WIDTH));
s_axis_tvalid <= '1';
s_axis_tlast <= '1';
WAIT UNTIL rising_edge(aclk);
WHILE s_axis_tready /= '1' LOOP
WAIT UNTIL rising_edge(aclk);
END LOOP;
s_axis_tvalid <= '0';
END LOOP;
-- Test Moving Average (enable_filter = '1')
enable_filter <= '1';
FOR i IN 0 TO 7 LOOP
-- SX sample
s_axis_tdata <= std_logic_vector(to_signed(i*100, TDATA_WIDTH));
s_axis_tvalid <= '1';
s_axis_tlast <= '0';
WAIT UNTIL rising_edge(aclk);
WHILE s_axis_tready /= '1' LOOP
WAIT UNTIL rising_edge(aclk);
END LOOP;
s_axis_tvalid <= '0';
-- DX sample (tlast high)
s_axis_tdata <= std_logic_vector(to_signed(i*100+50, TDATA_WIDTH));
s_axis_tvalid <= '1';
s_axis_tlast <= '1';
WAIT UNTIL rising_edge(aclk);
WHILE s_axis_tready /= '1' LOOP
WAIT UNTIL rising_edge(aclk);
END LOOP;
s_axis_tvalid <= '0';
END LOOP;
-- End simulation
WAIT FOR 50 ns;
END PROCESS;
END sim;

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----------------------------------------------------------------------------------
-- Testbench for volume_multiplier
----------------------------------------------------------------------------------
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
ENTITY tb_volume_multiplier IS
END tb_volume_multiplier;
ARCHITECTURE Behavioral OF tb_volume_multiplier IS
CONSTANT TDATA_WIDTH : POSITIVE := 24;
CONSTANT VOLUME_WIDTH : POSITIVE := 10;
CONSTANT VOLUME_STEP_2 : POSITIVE := 6;
CONSTANT N_SAMPLES : INTEGER := 8;
CONSTANT N_VOLUMES : INTEGER := 10;
-- Output width calculation (as in DUT)
CONSTANT TDATA_OUT_WIDTH : INTEGER := TDATA_WIDTH - 1 + 2 ** (VOLUME_WIDTH - VOLUME_STEP_2 - 1) + 1;
COMPONENT volume_multiplier IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24;
VOLUME_WIDTH : POSITIVE := 10;
VOLUME_STEP_2 : POSITIVE := 6
);
PORT (
aclk : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
s_axis_tvalid : IN STD_LOGIC;
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
s_axis_tlast : IN STD_LOGIC;
s_axis_tready : OUT STD_LOGIC;
m_axis_tvalid : OUT STD_LOGIC;
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_OUT_WIDTH - 1 DOWNTO 0);
m_axis_tlast : OUT STD_LOGIC;
m_axis_tready : IN STD_LOGIC;
volume : IN STD_LOGIC_VECTOR(VOLUME_WIDTH - 1 DOWNTO 0)
);
END COMPONENT;
SIGNAL aclk : STD_LOGIC := '0';
SIGNAL aresetn : STD_LOGIC := '0';
SIGNAL s_axis_tvalid : STD_LOGIC := '0';
SIGNAL s_axis_tdata : STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0) := (OTHERS => '0');
SIGNAL s_axis_tlast : STD_LOGIC := '0';
SIGNAL s_axis_tready : STD_LOGIC;
SIGNAL m_axis_tvalid : STD_LOGIC;
SIGNAL m_axis_tdata : STD_LOGIC_VECTOR(TDATA_OUT_WIDTH - 1 DOWNTO 0);
SIGNAL m_axis_tlast : STD_LOGIC;
SIGNAL m_axis_tready : STD_LOGIC := '1';
SIGNAL volume : STD_LOGIC_VECTOR(VOLUME_WIDTH - 1 DOWNTO 0) := (OTHERS => '0');
-- Test input samples
TYPE sample_mem_type IS ARRAY(0 TO N_SAMPLES-1) OF STD_LOGIC_VECTOR(TDATA_WIDTH-1 DOWNTO 0);
SIGNAL sample_mem : sample_mem_type := (
x"000100", -- +256
x"FFFE00", -- -512
x"000001", -- +1
x"FFFFFF", -- -1 (2's comp)
x"7FFFFF", -- max positive
x"800000", -- max negative
x"000A00", -- +2560
x"FFF600" -- -2560
);
-- Vettore di memoria per i valori di volume
TYPE volume_mem_type IS ARRAY(0 TO N_VOLUMES-1) OF STD_LOGIC_VECTOR(VOLUME_WIDTH-1 DOWNTO 0);
SIGNAL volume_mem : volume_mem_type := (
std_logic_vector(to_unsigned(0, VOLUME_WIDTH)), -- 0.25x (forte attenuazione)
std_logic_vector(to_unsigned(64, VOLUME_WIDTH)), -- 0.375x (attenuazione media)
std_logic_vector(to_unsigned(479, VOLUME_WIDTH)), -- 0.4375x (leggera attenuazione)
std_logic_vector(to_unsigned(480, VOLUME_WIDTH)), -- 0.5x (volume neutro)
std_logic_vector(to_unsigned(513, VOLUME_WIDTH)), -- Circa 0.5x (volume neutro)
std_logic_vector(to_unsigned(576, VOLUME_WIDTH)), -- 0.5625x (leggero aumento)
std_logic_vector(to_unsigned(640, VOLUME_WIDTH)), -- 0.625x (aumento medio)
std_logic_vector(to_unsigned(768, VOLUME_WIDTH)), -- 0.75x (aumento forte)
std_logic_vector(to_unsigned(896, VOLUME_WIDTH)), -- 0.875x (aumento molto forte)
std_logic_vector(to_unsigned(1023, VOLUME_WIDTH)) -- 1x (massimo volume)
);
BEGIN
-- Clock generation
aclk <= NOT aclk AFTER 5 ns;
-- DUT instantiation
uut: volume_multiplier
GENERIC MAP (
TDATA_WIDTH => TDATA_WIDTH,
VOLUME_WIDTH => VOLUME_WIDTH,
VOLUME_STEP_2 => VOLUME_STEP_2
)
PORT MAP (
aclk => aclk,
aresetn => aresetn,
s_axis_tvalid => s_axis_tvalid,
s_axis_tdata => s_axis_tdata,
s_axis_tlast => s_axis_tlast,
s_axis_tready => s_axis_tready,
m_axis_tvalid => m_axis_tvalid,
m_axis_tdata => m_axis_tdata,
m_axis_tlast => m_axis_tlast,
m_axis_tready => m_axis_tready,
volume => volume
);
-- Stimulus process
stimulus : PROCESS
BEGIN
-- Reset
WAIT FOR 10 ns;
aresetn <= '1';
WAIT UNTIL rising_edge(aclk);
-- Set volume to mid (no gain/loss)
volume <= volume_mem(7);
WAIT UNTIL rising_edge(aclk);
-- Send all samples
FOR i IN 0 TO N_SAMPLES-1 LOOP
s_axis_tdata <= sample_mem(i);
s_axis_tvalid <= '1';
IF i = N_SAMPLES-1 THEN
s_axis_tlast <= '1';
ELSE
s_axis_tlast <= '0';
END IF;
-- Wait for handshake
WAIT UNTIL rising_edge(aclk);
WHILE s_axis_tready = '0' LOOP
WAIT UNTIL rising_edge(aclk);
END LOOP;
END LOOP;
s_axis_tvalid <= '0';
s_axis_tlast <= '0';
-- Change volume (attenuate)
WAIT FOR 20 ns;
volume <= volume_mem(1);
-- Send one more sample
WAIT UNTIL rising_edge(aclk);
s_axis_tdata <= x"000100";
s_axis_tvalid <= '1';
s_axis_tlast <= '1';
WAIT UNTIL rising_edge(aclk);
WHILE s_axis_tready = '0' LOOP
WAIT UNTIL rising_edge(aclk);
END LOOP;
s_axis_tvalid <= '0';
s_axis_tlast <= '0';
FOR i IN 2 TO N_VOLUMES-1 LOOP
WAIT FOR 20 ns;
volume <= volume_mem(i);
WAIT UNTIL rising_edge(aclk);
END LOOP;
-- Wait and finish
WAIT FOR 100 ns;
WAIT;
END PROCESS;
-- Optionally, block m_axis_tready to test backpressure
PROCESS
BEGIN
WAIT FOR 60 ns;
WAIT UNTIL rising_edge(aclk);
m_axis_tready <= '0';
WAIT FOR 20 ns;
WAIT UNTIL rising_edge(aclk);
m_axis_tready <= '1';
WAIT;
END PROCESS;
END Behavioral;

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----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 05/20/2025
-- Design Name:
-- Module Name: tb_volume_saturator - Behavioral
-- Project Name:
-- Target Devices:
-- Tool Versions: Vivado 2020.2
-- Description: Testbench for volume_saturator (stereo, L->R, tlast on R)
--
----------------------------------------------------------------------------------
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
ENTITY tb_volume_saturator IS
END tb_volume_saturator;
ARCHITECTURE Behavioral OF tb_volume_saturator IS
CONSTANT TDATA_WIDTH : POSITIVE := 24;
CONSTANT VOLUME_WIDTH : POSITIVE := 10;
CONSTANT VOLUME_STEP_2 : POSITIVE := 6;
CONSTANT STEREO_SAMPLES : INTEGER := 8;
-- Calculate s_axis_tdata width
CONSTANT TDATA_IN_WIDTH : INTEGER := TDATA_WIDTH - 1 + 2 ** (VOLUME_WIDTH - VOLUME_STEP_2 - 1) + 1;
COMPONENT volume_saturator IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24;
VOLUME_WIDTH : POSITIVE := 10;
VOLUME_STEP_2 : POSITIVE := 6; -- i.e., number_of_steps = 2**(VOLUME_STEP_2)
HIGHER_BOUND : INTEGER := 2 ** 15 - 1; -- Inclusive
LOWER_BOUND : INTEGER := - 2 ** 15 -- Inclusive
);
PORT (
aclk : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
s_axis_tvalid : IN STD_LOGIC;
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 + 2 ** (VOLUME_WIDTH - VOLUME_STEP_2 - 1) DOWNTO 0);
s_axis_tlast : IN STD_LOGIC;
s_axis_tready : OUT STD_LOGIC;
m_axis_tvalid : OUT STD_LOGIC;
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
m_axis_tlast : OUT STD_LOGIC;
m_axis_tready : IN STD_LOGIC
);
END COMPONENT;
SIGNAL aclk : STD_LOGIC := '0';
SIGNAL aresetn : STD_LOGIC := '0';
SIGNAL s_axis_tvalid : STD_LOGIC := '0';
SIGNAL s_axis_tdata : STD_LOGIC_VECTOR(TDATA_WIDTH - 1 + 2 ** (VOLUME_WIDTH - VOLUME_STEP_2 - 1) DOWNTO 0) := (OTHERS => '0');
SIGNAL s_axis_tlast : STD_LOGIC := '0';
SIGNAL s_axis_tready : STD_LOGIC;
SIGNAL m_axis_tvalid : STD_LOGIC;
SIGNAL m_axis_tdata : STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
SIGNAL m_axis_tlast : STD_LOGIC;
SIGNAL m_axis_tready : STD_LOGIC := '1';
-- Example stereo audio: L, R, L, R, ... (tlast on R)
TYPE stereo_mem_type IS ARRAY(0 TO 2 * STEREO_SAMPLES - 1) OF STD_LOGIC_VECTOR(TDATA_IN_WIDTH - 1 DOWNTO 0);
SIGNAL stereo_mem : stereo_mem_type := (
x"00009C40", -- +40000 (clipping positivo)
x"00007FFF", -- +32767 (HIGHER_BOUND)
x"00007FFE", -- +32766 (appena sotto HIGHER_BOUND)
x"00000000", -- 0
x"FFFF8001", -- -32767 (appena sopra LOWER_BOUND)
x"FFFF8000", -- -32768 (LOWER_BOUND)
x"FFFF63C0", -- -40000 (clipping negativo)
x"00003039", -- +12345 (valore positivo intermedio)
x"FFFFCFC7", -- -12345 (valore negativo intermedio)
x"00007FFF", -- +32767 (HIGHER_BOUND, ripetuto)
x"FFFF8000", -- -32768 (LOWER_BOUND, ripetuto)
x"00009C40", -- +40000 (clipping positivo, ripetuto)
x"FFFF63C0", -- -40000 (clipping negativo, ripetuto)
x"00000001", -- +1
x"FFFFFFFF", -- -1
x"00000000" -- 0 (ripetuto)
);
BEGIN
-- Clock generation
aclk <= NOT aclk AFTER 5 ns;
-- DUT instantiation
uut : volume_saturator
GENERIC MAP(
TDATA_WIDTH => TDATA_WIDTH,
VOLUME_WIDTH => VOLUME_WIDTH,
VOLUME_STEP_2 => VOLUME_STEP_2,
HIGHER_BOUND => 2 ** 15 - 1,
LOWER_BOUND => - 2 ** 15
)
PORT MAP(
aclk => aclk,
aresetn => aresetn,
s_axis_tvalid => s_axis_tvalid,
s_axis_tdata => s_axis_tdata,
s_axis_tlast => s_axis_tlast,
s_axis_tready => s_axis_tready,
m_axis_tvalid => m_axis_tvalid,
m_axis_tdata => m_axis_tdata,
m_axis_tlast => m_axis_tlast,
m_axis_tready => m_axis_tready
);
-- Stimulus process: send stereo samples, tlast on R
stimulus : PROCESS
BEGIN
-- Reset
WAIT FOR 10 ns;
aresetn <= '1';
WAIT UNTIL rising_edge(aclk);
FOR i IN 0 TO stereo_mem'high LOOP
s_axis_tdata <= stereo_mem(i);
s_axis_tvalid <= '1';
-- tlast asserted on every R channel (odd index)
IF (i MOD 2) = 1 THEN
s_axis_tlast <= '1';
ELSE
s_axis_tlast <= '0';
END IF;
-- Wait for handshake
WAIT UNTIL rising_edge(aclk);
WHILE s_axis_tready = '0' LOOP
WAIT UNTIL rising_edge(aclk);
END LOOP;
END LOOP;
s_axis_tvalid <= '0';
s_axis_tlast <= '0';
-- Wait and finish
WAIT FOR 100 ns;
WAIT;
END PROCESS;
-- Optionally, block m_axis_tready for a few cycles to test backpressure
PROCESS
BEGIN
WAIT FOR 80 ns;
WAIT UNTIL rising_edge(aclk);
m_axis_tready <= '0';
WAIT FOR 30 ns;
WAIT UNTIL rising_edge(aclk);
m_axis_tready <= '1';
WAIT;
END PROCESS;
END Behavioral;

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library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
use IEEE.NUMERIC_STD.ALL;
entity LFO is
generic(
CHANNEL_LENGHT : integer := 24;
JOYSTICK_LENGHT : integer := 10;
CLK_PERIOD_NS : integer := 10;
TRIANGULAR_COUNTER_LENGHT : integer := 10 -- Triangular wave period length
-- Entity: LFO (Low Frequency Oscillator) - Alternative Implementation
-- Purpose: Applies effect to audio by modulating amplitude with a triangular wave
-- This is a simplified, single-process implementation compared to the pipelined version
-- Provides real-time audio amplitude modulation for musical effects
ENTITY LFO IS
GENERIC (
CHANNEL_LENGHT : INTEGER := 24; -- Bit width of audio samples (24-bit signed)
JOYSTICK_LENGHT : INTEGER := 10; -- Bit width of joystick input (10-bit = 0-1023 range)
CLK_PERIOD_NS : INTEGER := 10; -- Clock period in nanoseconds (10ns = 100MHz)
TRIANGULAR_COUNTER_LENGHT : INTEGER := 10 -- Triangular wave counter length (affects modulation depth)
);
Port (
aclk : in std_logic;
aresetn : in std_logic;
lfo_period : in std_logic_vector(JOYSTICK_LENGHT-1 downto 0);
lfo_enable : in std_logic;
s_axis_tvalid : in std_logic;
s_axis_tdata : in std_logic_vector(CHANNEL_LENGHT-1 downto 0);
s_axis_tlast : in std_logic;
s_axis_tready : out std_logic;
m_axis_tvalid : out std_logic;
m_axis_tdata : out std_logic_vector(CHANNEL_LENGHT-1 downto 0);
m_axis_tlast : out std_logic;
m_axis_tready : in std_logic
);
end entity LFO;
PORT (
-- Clock and Reset
aclk : IN STD_LOGIC; -- Main system clock
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
architecture Behavioral of LFO is
-- LFO Control inputs
lfo_period : IN STD_LOGIC_VECTOR(JOYSTICK_LENGHT - 1 DOWNTO 0); -- Controls LFO frequency (joystick Y-axis)
lfo_enable : IN STD_LOGIC; -- Enable/bypass LFO effect
begin
-- Slave AXI Stream interface (audio input)
s_axis_tvalid : IN STD_LOGIC; -- Input data valid signal
s_axis_tdata : IN STD_LOGIC_VECTOR(CHANNEL_LENGHT - 1 DOWNTO 0); -- Audio sample input
s_axis_tlast : IN STD_LOGIC; -- Channel indicator (0=left, 1=right)
s_axis_tready : OUT STD_LOGIC; -- Ready to accept input data
end architecture;
-- Master AXI Stream interface (audio output)
m_axis_tvalid : OUT STD_LOGIC; -- Output data valid signal
m_axis_tdata : OUT STD_LOGIC_VECTOR(CHANNEL_LENGHT - 1 DOWNTO 0); -- Modulated audio sample output
m_axis_tlast : OUT STD_LOGIC; -- Channel indicator passthrough
m_axis_tready : IN STD_LOGIC -- Downstream ready signal
);
END ENTITY LFO;
ARCHITECTURE Behavioral OF LFO IS
-- LFO timing configuration constants
CONSTANT LFO_COUNTER_BASE_PERIOD_US : INTEGER := 1000; -- Base period: 1ms (1kHz base frequency)
CONSTANT ADJUSTMENT_FACTOR : INTEGER := 90; -- Frequency adjustment sensitivity (clock cycles per joystick unit)
CONSTANT JSTK_CENTER_VALUE : INTEGER := 2 ** (JOYSTICK_LENGHT - 1); -- Joystick center position (512 for 10-bit)
-- Calculate base clock cycles for 1ms period at current clock frequency
CONSTANT LFO_COUNTER_BASE_CLK_CYCLES : INTEGER := LFO_COUNTER_BASE_PERIOD_US * 1000 / CLK_PERIOD_NS; -- 1ms = 100,000 clk cycles
-- Calculate frequency range limits based on joystick range
CONSTANT LFO_CLK_CYCLES_MIN : INTEGER := LFO_COUNTER_BASE_CLK_CYCLES - ADJUSTMENT_FACTOR * (2 ** (JOYSTICK_LENGHT - 1)); -- 53,920 clk cycles (faster)
CONSTANT LFO_CLK_CYCLES_MAX : INTEGER := LFO_COUNTER_BASE_CLK_CYCLES + ADJUSTMENT_FACTOR * (2 ** (JOYSTICK_LENGHT - 1) - 1); -- 145,990 clk cycles (slower)
-- LFO timing control signals
SIGNAL step_clk_cycles_delta : INTEGER RANGE - 2 ** (JOYSTICK_LENGHT - 1) * ADJUSTMENT_FACTOR TO (2 ** (JOYSTICK_LENGHT - 1) - 1) * ADJUSTMENT_FACTOR := 0;
SIGNAL step_clk_cycles : INTEGER RANGE LFO_CLK_CYCLES_MIN TO LFO_CLK_CYCLES_MAX := LFO_COUNTER_BASE_CLK_CYCLES;
SIGNAL step_counter : NATURAL RANGE 0 TO LFO_CLK_CYCLES_MAX := 0;
-- Triangular wave generation signals
-- Note: Using signed counter with extra bit to handle full range calculations
SIGNAL tri_counter : SIGNED(TRIANGULAR_COUNTER_LENGHT DOWNTO 0) := (OTHERS => '0'); -- Triangular wave amplitude
SIGNAL direction_up : STD_LOGIC := '1'; -- Wave direction: '1' = ascending, '0' = descending
-- AXI4-Stream control signals
SIGNAL trigger : STD_LOGIC := '0'; -- Trigger to indicate new processed data is ready
SIGNAL s_axis_tlast_reg : STD_LOGIC := '0'; -- Registered version of tlast for output synchronization
SIGNAL m_axis_tvalid_int : STD_LOGIC := '0'; -- Internal output valid signal
-- Audio processing signal with extended width for multiplication
-- Width accommodates: audio sample + triangular counter to prevent overflow
SIGNAL m_axis_tdata_temp : SIGNED(CHANNEL_LENGHT + TRIANGULAR_COUNTER_LENGHT DOWNTO 0) := (OTHERS => '0');
BEGIN
-- Output signal assignments with proper AXI4-Stream flow control
m_axis_tvalid <= m_axis_tvalid_int;
-- Input ready logic: Ready when downstream is ready OR no valid data pending, AND not in reset
s_axis_tready <= (m_axis_tready OR NOT m_axis_tvalid_int) AND aresetn;
-- Optimized single process for LFO timing and triangular waveform generation
-- This process handles both the frequency control and wave shape generation
triangular_wave_lfo_generator : PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset LFO generator to initial state
step_clk_cycles <= LFO_COUNTER_BASE_CLK_CYCLES; -- Set to base frequency
step_counter <= 0; -- Clear timing counter
tri_counter <= (OTHERS => '0'); -- Start triangular wave at zero
direction_up <= '1'; -- Start counting up
ELSE
-- Calculate LFO period based on joystick input
-- Joystick mapping:
-- 0-511: Slower than base frequency (longer period, lower frequency)
-- 512: Base frequency (1kHz)
-- 513-1023: Faster than base frequency (shorter period, higher frequency)
step_clk_cycles_delta <= (to_integer(unsigned(lfo_period)) - JSTK_CENTER_VALUE);
step_clk_cycles <= LFO_COUNTER_BASE_CLK_CYCLES - step_clk_cycles_delta * ADJUSTMENT_FACTOR;
-- Generate triangular wave when LFO is enabled
IF lfo_enable = '1' THEN
-- Clock divider: Update triangular wave at calculated rate
IF step_counter >= step_clk_cycles THEN
step_counter <= 0; -- Reset counter for next period
-- Check for triangular wave direction changes at extremes
-- Note: Using (2^n - 2) and 1 instead of (2^n - 1) and 0 due to process signal assignment
IF tri_counter = (2 ** TRIANGULAR_COUNTER_LENGHT) - 2 THEN
direction_up <= '0'; -- Switch to descending at near-maximum
ELSIF tri_counter = 1 THEN
direction_up <= '1'; -- Switch to ascending at near-minimum
END IF;
-- Update triangular wave value based on current direction
-- This creates the classic triangular waveform shape
IF direction_up = '1' THEN
tri_counter <= tri_counter + 1; -- Ascending: increment
ELSE
tri_counter <= tri_counter - 1; -- Descending: decrement
END IF;
ELSE
step_counter <= step_counter + 1; -- Continue counting towards next update
END IF;
END IF;
END IF;
END IF;
END PROCESS triangular_wave_lfo_generator;
-- AXI4-Stream handshake logic and audio processing
-- This process handles input/output data flow and applies the LFO modulation
AXIS : PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset AXI4-Stream interface and audio processing
s_axis_tlast_reg <= '0'; -- Clear registered channel indicator
m_axis_tdata_temp <= (OTHERS => '0'); -- Clear temporary audio data
m_axis_tvalid_int <= '0'; -- No valid output data
m_axis_tlast <= '0'; -- Clear output channel indicator
ELSE
-- Output handshake management:
-- Clear valid flag when downstream accepts data
IF m_axis_tready = '1' THEN
m_axis_tvalid_int <= '0';
END IF;
-- Data output logic: Send processed audio when trigger is active and output is available
IF trigger = '1' AND (m_axis_tvalid_int = '0' OR m_axis_tready = '1') THEN
-- Scale down the multiplication result to original audio bit width
-- Right shift by TRIANGULAR_COUNTER_LENGHT effectively divides by 2^TRIANGULAR_COUNTER_LENGHT
-- This maintains proper audio amplitude after modulation
m_axis_tdata <= STD_LOGIC_VECTOR(
resize(
shift_right(
m_axis_tdata_temp, -- Wide multiplication result
TRIANGULAR_COUNTER_LENGHT -- Scale factor
),
CHANNEL_LENGHT -- Final audio sample width
)
);
m_axis_tlast <= s_axis_tlast_reg; -- Output registered channel indicator
m_axis_tvalid_int <= '1'; -- Mark output as valid
trigger <= '0'; -- Clear trigger - data has been output
END IF;
-- Data input logic: Process new audio samples when available and output is ready
IF s_axis_tvalid = '1' AND (m_axis_tready = '1' OR m_axis_tvalid_int = '0') THEN
IF lfo_enable = '1' THEN
-- Apply LFO effect: multiply audio sample by triangular wave
-- This creates amplitude modulation (effect)
m_axis_tdata_temp <= signed(s_axis_tdata) * tri_counter;
s_axis_tlast_reg <= s_axis_tlast; -- Register channel indicator
ELSE
-- LFO disabled: pass audio through unchanged but maintain bit width
-- Left shift compensates for the right shift that occurs during output
-- This ensures unity gain when LFO is bypassed
m_axis_tdata_temp <= shift_left(
resize(
signed(s_axis_tdata), -- Convert input to signed
m_axis_tdata_temp'length -- Extend to full processing width
),
TRIANGULAR_COUNTER_LENGHT -- Compensate for output scaling
);
s_axis_tlast_reg <= s_axis_tlast; -- Register channel indicator
END IF;
trigger <= '1'; -- Set trigger to indicate new processed data is ready
END IF;
END IF;
END IF;
END PROCESS AXIS;
-- LFO Implementation Summary:
-- 1. Generates triangular wave at frequency controlled by joystick input
-- 2. When enabled: multiplies audio samples by triangular wave (multiplier value range from 0 to 1)
-- 3. When disabled: passes audio through unchanged (bypass mode)
-- 4. Uses proper AXI4-Stream handshaking for real-time audio processing
--
-- Effect Characteristics:
-- - Frequency range: Approximately 0.1Hz to 10Hz (typical for audio LFO)
-- - Modulation depth: Controlled by TRIANGULAR_COUNTER_LENGHT generic
-- - Waveform: Triangular (linear amplitude changes, smooth transitions)
-- - Bypass capability: Clean audio passthrough when disabled
END ARCHITECTURE Behavioral;

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LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
-- Entity: LFO_1 (Low Frequency Oscillator)
-- Purpose: Applies tremolo effect to audio by modulating amplitude with a triangular wave
-- Creates classic audio effects like vibrato, tremolo, and amplitude modulation
-- Implements a 3-stage pipeline for efficient real-time audio processing
ENTITY LFO_1 IS
GENERIC (
CHANNEL_LENGHT : INTEGER := 24; -- Bit width of audio samples (24-bit signed)
JOYSTICK_LENGHT : INTEGER := 10; -- Bit width of joystick input (10-bit = 0-1023 range)
CLK_PERIOD_NS : INTEGER := 10; -- Clock period in nanoseconds (10ns = 100MHz)
TRIANGULAR_COUNTER_LENGHT : INTEGER := 10 -- Bit width of triangular wave counter (affects modulation depth)
);
PORT (
-- Clock and Reset
aclk : IN STD_LOGIC; -- Main system clock
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
-- LFO_1 Control inputs
lfo_period : IN STD_LOGIC_VECTOR(JOYSTICK_LENGHT - 1 DOWNTO 0); -- Controls LFO_1 frequency (joystick Y-axis)
lfo_enable : IN STD_LOGIC; -- Enable/bypass LFO_1 effect
-- Slave AXI Stream interface (audio input)
s_axis_tvalid : IN STD_LOGIC; -- Input data valid signal
s_axis_tdata : IN STD_LOGIC_VECTOR(CHANNEL_LENGHT - 1 DOWNTO 0); -- Audio sample input
s_axis_tlast : IN STD_LOGIC; -- Channel indicator (0=left, 1=right)
s_axis_tready : OUT STD_LOGIC; -- Ready to accept input data
-- Master AXI Stream interface (audio output)
m_axis_tvalid : OUT STD_LOGIC; -- Output data valid signal
m_axis_tdata : OUT STD_LOGIC_VECTOR(CHANNEL_LENGHT - 1 DOWNTO 0); -- Modulated audio sample output
m_axis_tlast : OUT STD_LOGIC; -- Channel indicator passthrough
m_axis_tready : IN STD_LOGIC -- Downstream ready signal
);
END ENTITY LFO_1;
ARCHITECTURE Behavioral OF LFO_1 IS
-- Constants for LFO_1 timing configuration
CONSTANT BASE_PERIOD_MICROSECONDS : INTEGER := 1000; -- Base period: 1ms (1kHz base frequency)
CONSTANT FREQUENCY_ADJUSTMENT_FACTOR : INTEGER := 90; -- Frequency adjustment sensitivity (clock cycles per joystick unit)
CONSTANT JOYSTICK_CENTER_VALUE : INTEGER := 2 ** (JOYSTICK_LENGHT - 1); -- Joystick center position (512 for 10-bit)
-- Calculate base clock cycles for 1ms period at current clock frequency
CONSTANT BASE_CLOCK_CYCLES : INTEGER := BASE_PERIOD_MICROSECONDS * 1000 / CLK_PERIOD_NS;
-- Calculate frequency range limits based on joystick range
-- Minimum frequency (fastest LFO_1): occurs when joystick is at minimum position
CONSTANT MIN_CLOCK_CYCLES : INTEGER := BASE_CLOCK_CYCLES - FREQUENCY_ADJUSTMENT_FACTOR * (2 ** (JOYSTICK_LENGHT - 1));
-- Maximum frequency (slowest LFO_1): occurs when joystick is at maximum position
CONSTANT MAX_CLOCK_CYCLES : INTEGER := BASE_CLOCK_CYCLES + FREQUENCY_ADJUSTMENT_FACTOR * (2 ** (JOYSTICK_LENGHT - 1) - 1);
-- Internal signals for LFO_1 control
-- Period adjustment based on joystick input (positive = slower, negative = faster)
SIGNAL period_adjustment_delta : INTEGER RANGE - 2 ** (JOYSTICK_LENGHT - 1) * FREQUENCY_ADJUSTMENT_FACTOR
TO (2 ** (JOYSTICK_LENGHT - 1) - 1) * FREQUENCY_ADJUSTMENT_FACTOR := 0;
SIGNAL current_period_cycles : INTEGER RANGE MIN_CLOCK_CYCLES TO MAX_CLOCK_CYCLES := BASE_CLOCK_CYCLES;
-- Pipeline stage 1 registers - Input processing and period calculation
SIGNAL audio_data_stage1 : STD_LOGIC_VECTOR(CHANNEL_LENGHT - 1 DOWNTO 0) := (OTHERS => '0'); -- Registered audio input
SIGNAL enable_flag_stage1 : STD_LOGIC := '0'; -- Registered LFO_1 enable
SIGNAL valid_flag_stage1 : STD_LOGIC := '0'; -- Valid data in stage 1
SIGNAL last_flag_stage1 : STD_LOGIC := '0'; -- Registered channel indicator
-- Pipeline stage 2 registers - Triangular wave generation
SIGNAL triangular_wave_value : unsigned(TRIANGULAR_COUNTER_LENGHT - 1 DOWNTO 0) := (OTHERS => '0'); -- Current triangular wave amplitude
SIGNAL wave_direction_up : STD_LOGIC := '1'; -- Triangle wave direction: '1' = ascending, '0' = descending
SIGNAL timing_counter : NATURAL RANGE 0 TO MAX_CLOCK_CYCLES := 0; -- Clock cycle counter for LFO_1 timing
SIGNAL enable_flag_stage2 : STD_LOGIC := '0'; -- LFO_1 enable flag for stage 2
SIGNAL valid_flag_stage2 : STD_LOGIC := '0'; -- Valid data in stage 2
SIGNAL last_flag_stage2 : STD_LOGIC := '0'; -- Channel indicator for stage 2
SIGNAL audio_data_stage2 : STD_LOGIC_VECTOR(CHANNEL_LENGHT - 1 DOWNTO 0) := (OTHERS => '0'); -- Audio data for stage 2
-- Pipeline stage 3 registers - Modulation and output
-- Extended width to accommodate multiplication result before scaling
SIGNAL multiplication_result : STD_LOGIC_VECTOR(CHANNEL_LENGHT + TRIANGULAR_COUNTER_LENGHT - 1 DOWNTO 0) := (OTHERS => '0');
-- Internal AXI4-Stream control signals
SIGNAL master_valid_internal : STD_LOGIC := '0'; -- Internal output valid signal
SIGNAL slave_ready_internal : STD_LOGIC := '1'; -- Internal input ready signal
BEGIN
-- Direct connection: tlast passes through unchanged (maintains channel timing)
m_axis_tlast <= last_flag_stage1;
-- Pipeline stage 1: Input registration and LFO_1 period calculation
-- This stage captures input data and calculates the LFO_1 period based on joystick position
input_processing_stage : PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset all stage 1 registers to safe initial states
audio_data_stage1 <= (OTHERS => '0'); -- Clear audio data
current_period_cycles <= BASE_CLOCK_CYCLES; -- Set to base frequency
enable_flag_stage1 <= '0'; -- Disable LFO_1
valid_flag_stage1 <= '0'; -- No valid data
last_flag_stage1 <= '0'; -- Clear channel indicator
ELSE
-- Calculate LFO_1 period based on joystick y-axis input
-- Joystick mapping:
-- 0-511: Faster than base frequency (shorter period)
-- 512: Base frequency (1kHz)
-- 513-1023: Slower than base frequency (longer period)
period_adjustment_delta <= (to_integer(unsigned(lfo_period)) - JOYSTICK_CENTER_VALUE) * FREQUENCY_ADJUSTMENT_FACTOR;
current_period_cycles <= BASE_CLOCK_CYCLES - period_adjustment_delta;
-- AXI4-Stream handshake: accept new data when both valid and ready
IF s_axis_tvalid = '1' AND slave_ready_internal = '1' THEN
audio_data_stage1 <= s_axis_tdata; -- Register input audio sample
enable_flag_stage1 <= lfo_enable; -- Register enable control
valid_flag_stage1 <= '1'; -- Mark data as valid for next stage
last_flag_stage1 <= s_axis_tlast; -- Register channel boundary signal
ELSE
valid_flag_stage1 <= '0'; -- No valid data to pass to next stage
END IF;
END IF;
END IF;
END PROCESS input_processing_stage;
-- Pipeline stage 2: Triangular wave generation
-- This stage generates the triangular wave that will modulate the audio amplitude
triangular_wave_generator : PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset triangular wave generator to initial state
timing_counter <= 0; -- Clear timing counter
triangular_wave_value <= (OTHERS => '0'); -- Start at zero amplitude
wave_direction_up <= '1'; -- Start counting up
enable_flag_stage2 <= '0'; -- Disable LFO_1
valid_flag_stage2 <= '0'; -- No valid data
last_flag_stage2 <= '0'; -- Clear channel indicator
audio_data_stage2 <= (OTHERS => '0'); -- Clear audio data
ELSE
-- Pass through pipeline registers from stage 1 to stage 2
enable_flag_stage2 <= enable_flag_stage1; -- Forward enable flag
valid_flag_stage2 <= valid_flag_stage1; -- Forward valid flag
last_flag_stage2 <= last_flag_stage1; -- Forward channel indicator
audio_data_stage2 <= audio_data_stage1; -- Forward audio data
-- Generate triangular wave when LFO_1 is enabled
IF enable_flag_stage1 = '1' THEN
-- Clock divider: update triangular counter based on calculated period
IF timing_counter < current_period_cycles THEN
timing_counter <= timing_counter + 1; -- Count towards period target
ELSE
timing_counter <= 0; -- Reset counter for next period
-- Update triangular wave: count up or down based on current direction
-- This creates the classic triangular waveform shape
IF wave_direction_up = '1' THEN
-- Ascending phase: check if we reached maximum amplitude
IF triangular_wave_value = (2 ** TRIANGULAR_COUNTER_LENGHT) - 1 THEN
wave_direction_up <= '0'; -- Switch to descending phase
triangular_wave_value <= triangular_wave_value - 1; -- Start decreasing
ELSE
triangular_wave_value <= triangular_wave_value + 1; -- Continue increasing
END IF;
ELSE
-- Descending phase: check if we reached minimum amplitude
IF triangular_wave_value = 0 THEN
wave_direction_up <= '1'; -- Switch to ascending phase
triangular_wave_value <= triangular_wave_value + 1; -- Start increasing
ELSE
triangular_wave_value <= triangular_wave_value - 1; -- Continue decreasing
END IF;
END IF;
END IF;
ELSE
-- LFO_1 disabled: reset triangular wave generator to idle state
timing_counter <= 0; -- Clear timing counter
triangular_wave_value <= (OTHERS => '0'); -- Reset to zero amplitude
wave_direction_up <= '1'; -- Reset to ascending direction
END IF;
END IF;
END IF;
END PROCESS triangular_wave_generator;
-- Pipeline stage 3: Audio modulation and output control
-- This stage applies the LFO_1 effect by multiplying audio samples with the triangular wave
modulation_and_output : PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset output stage to safe initial state
m_axis_tdata <= (OTHERS => '0'); -- Clear output data
master_valid_internal <= '0'; -- No valid output
slave_ready_internal <= '1'; -- Ready to accept input
ELSE
-- Output flow control: handle backpressure from downstream modules
IF master_valid_internal = '1' AND m_axis_tready = '0' THEN
-- Downstream not ready: maintain current output valid state
-- This implements proper AXI4-Stream backpressure handling
master_valid_internal <= '1';
ELSIF valid_flag_stage2 = '1' THEN
-- New data available from stage 2: apply LFO_1 effect or bypass
IF enable_flag_stage2 = '1' THEN
-- Apply LFO_1 tremolo effect: multiply audio sample by triangular wave
-- This creates amplitude modulation (tremolo effect)
multiplication_result <= STD_LOGIC_VECTOR(
resize(
signed(audio_data_stage2) * signed('0' & triangular_wave_value),
multiplication_result'length
)
);
-- Scale down result by removing lower bits (equivalent to division by 2^TRIANGULAR_COUNTER_LENGHT)
-- This maintains proper audio amplitude range after multiplication
m_axis_tdata <= multiplication_result(multiplication_result'high DOWNTO TRIANGULAR_COUNTER_LENGHT);
ELSE
-- LFO_1 disabled: pass audio through unchanged (bypass mode)
-- This allows seamless switching between effect and clean audio
m_axis_tdata <= audio_data_stage2;
END IF;
master_valid_internal <= '1'; -- Mark output as valid
ELSE
-- No new data available: clear output valid flag
master_valid_internal <= '0';
END IF;
-- AXI4-Stream ready signal management for proper flow control
IF master_valid_internal = '1' AND m_axis_tready = '1' THEN
-- Successful output handshake: ready for new input data
slave_ready_internal <= '1';
ELSIF s_axis_tvalid = '1' AND slave_ready_internal = '1' THEN
-- Accepted new input: not ready until current output is consumed
-- This prevents data loss in the pipeline
slave_ready_internal <= '0';
END IF;
END IF;
END IF;
END PROCESS modulation_and_output;
-- Output signal assignments
s_axis_tready <= slave_ready_internal; -- Connect internal ready to output port
m_axis_tvalid <= master_valid_internal; -- Connect internal valid to output port
-- LFO_1 Effect Summary:
-- 1. Stage 1: Calculates LFO_1 frequency based on joystick position
-- 2. Stage 2: Generates triangular wave at calculated frequency
-- 3. Stage 3: Multiplies audio samples by triangular wave (tremolo effect)
--
-- Audio Effect Characteristics:
-- - Tremolo: Periodic amplitude modulation creates "shaking" sound
-- - Frequency range: Approximately 0.1Hz to 10Hz (typical for audio LFO_1)
-- - Modulation depth: Controlled by TRIANGULAR_COUNTER_LENGHT generic
-- - Bypass capability: Clean audio passthrough when disabled
--
-- Pipeline Benefits:
-- - Maintains real-time audio processing with no dropouts
-- - Allows complex calculations without affecting audio timing
-- - Provides proper AXI4-Stream flow control and backpressure handling
END ARCHITECTURE Behavioral;

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LAB3/src/all_pass_filter.vhd
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library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use ieee.numeric_std.all;
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
entity all_pass_filter is
generic (
TDATA_WIDTH : positive := 24
);
Port (
aclk : in std_logic;
aresetn : in std_logic;
-- Entity: all_pass_filter
-- Purpose: A pass-through filter that maintains the same interface and timing
-- characteristics as the moving average filter but passes data unchanged.
ENTITY all_pass_filter IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24 -- Width of the data bus in bits
);
PORT (
-- Clock and reset signals
aclk : IN STD_LOGIC; -- Main clock input
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
s_axis_tvalid : in std_logic;
s_axis_tdata : in std_logic_vector(TDATA_WIDTH-1 downto 0);
s_axis_tlast : in std_logic;
s_axis_tready : out std_logic;
-- AXI4-Stream Slave Interface (Input)
s_axis_tvalid : IN STD_LOGIC; -- Input data valid signal
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Input data
s_axis_tlast : IN STD_LOGIC; -- Input end-of-packet signal
s_axis_tready : OUT STD_LOGIC; -- Ready to accept input data
m_axis_tvalid : out std_logic;
m_axis_tdata : out std_logic_vector(TDATA_WIDTH-1 downto 0);
m_axis_tlast : out std_logic;
m_axis_tready : in std_logic
);
end all_pass_filter;
-- AXI4-Stream Master Interface (Output)
m_axis_tvalid : OUT STD_LOGIC; -- Output data valid signal
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Output data
m_axis_tlast : OUT STD_LOGIC; -- Output end-of-packet signal
m_axis_tready : IN STD_LOGIC -- Downstream ready signal
);
END all_pass_filter;
architecture Behavioral of all_pass_filter is
ARCHITECTURE Behavioral OF all_pass_filter IS
begin
-- Internal control signal to trigger data output after input processing
SIGNAL trigger : STD_LOGIC := '0';
end Behavioral;
-- Internal slave interface signals
SIGNAL s_axis_tready_int : STD_LOGIC := '0'; -- Internal ready signal for input
SIGNAL s_axis_tlast_reg : STD_LOGIC := '0'; -- Registered version of input tlast
SIGNAL s_axis_tdata_reg : STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0) := (OTHERS => '0'); -- Temporary storage for input data
-- Internal data storage and master interface signals
SIGNAL m_axis_tvalid_int : STD_LOGIC := '0'; -- Internal valid signal for output
BEGIN
-- Architecture Overview:
-- This design mimics the structure, handshake logic, and timing (clock cycles spent)
-- of the moving_average_filter, but does not process or modify the samples.
-- It simply passes input data to the output unchanged, ensuring the same latency and interface behavior.
-- Data Flow:
-- 1. Input data is captured when s_axis_tvalid and s_axis_tready are both high
-- 2. Data is stored in temporary registers and a trigger is set
-- 3. On the next clock cycle, if output interface is ready, data is output
-- 4. This creates a 1-clock cycle latency matching the moving average filter
-- Connect internal signals to output ports
m_axis_tvalid <= m_axis_tvalid_int; -- Drive output valid with internal signal
s_axis_tready <= s_axis_tready_int; -- Drive input ready with internal signal
-- Main processing logic - synchronous to clock
PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
-- Asynchronous reset logic (active low)
IF aresetn = '0' THEN
-- Reset all internal signals to known states
trigger <= '0'; -- Clear data processing trigger
s_axis_tlast_reg <= '0'; -- Clear registered tlast
s_axis_tready_int <= '0'; -- Not ready to accept data during reset
s_axis_tdata_reg <= (OTHERS => '0'); -- Clear temporary data storage
m_axis_tvalid_int <= '0'; -- No valid data on output during reset
m_axis_tlast <= '0'; -- Clear output tlast
ELSE
-- Normal operation logic
-- Output handshake management:
-- Clear the output valid flag when downstream is ready to accept data
-- This allows new data to be output on the next cycle
IF m_axis_tready = '1' THEN
m_axis_tvalid_int <= '0';
END IF;
-- Data output logic:
-- Output data when trigger is set AND output interface is available
-- (either no valid data pending OR downstream is ready)
IF trigger = '1' AND (m_axis_tvalid_int = '0' OR m_axis_tready = '1') THEN
-- Transfer stored data to output
m_axis_tdata <= s_axis_tdata_reg; -- Output the stored input data unchanged
m_axis_tlast <= s_axis_tlast_reg; -- Output the registered tlast signal
-- Set output control signals
m_axis_tvalid_int <= '1'; -- Mark output data as valid
trigger <= '0'; -- Clear trigger - data has been output
END IF;
-- Data input logic:
-- Capture input data when both valid and ready are asserted (AXI handshake)
IF s_axis_tvalid = '1' AND s_axis_tready_int = '1' THEN
-- Store input signals for later output
s_axis_tlast_reg <= s_axis_tlast; -- Register the tlast signal
s_axis_tdata_reg <= s_axis_tdata; -- Store input data (pass-through, no processing)
-- Set trigger to indicate data is ready for output
trigger <= '1';
END IF;
-- Input ready logic:
-- Ready to accept new input when:
-- - Downstream is ready (can immediately pass data through), OR
-- - No valid data is pending on output (have buffer space)
-- This implements backpressure - if output is blocked, input will be blocked
s_axis_tready_int <= m_axis_tready OR NOT m_axis_tvalid_int;
END IF;
END IF;
END PROCESS;
END Behavioral;

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LAB3/src/balance_controller.vhd
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@@ -1,33 +1,147 @@
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use ieee.numeric_std.all;
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
entity balance_controller is
generic (
TDATA_WIDTH : positive := 24;
BALANCE_WIDTH : positive := 10;
BALANCE_STEP_2 : positive := 6 -- i.e., balance_values_per_step = 2**VOLUME_STEP_2
);
Port (
aclk : in std_logic;
aresetn : in std_logic;
-- Entity: balance_controller
-- Purpose: Controls the stereo balance (left/right channel volume) of audio data
-- based on a balance control input. Implements variable attenuation
-- using bit shifting for efficient hardware implementation.
ENTITY balance_controller IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24; -- Width of audio data bus (24-bit audio samples)
BALANCE_WIDTH : POSITIVE := 10; -- Width of balance control input (10-bit = 0-1023 range)
BALANCE_STEP_2 : POSITIVE := 6 -- Log2 of balance values per step (2^6 = 64 values per step)
);
PORT (
-- Clock and reset
aclk : IN STD_LOGIC; -- Main clock
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
s_axis_tvalid : in std_logic;
s_axis_tdata : in std_logic_vector(TDATA_WIDTH-1 downto 0);
s_axis_tready : out std_logic;
s_axis_tlast : in std_logic;
-- AXI4-Stream Slave Interface (Audio Input)
s_axis_tvalid : IN STD_LOGIC; -- Input data valid
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Audio sample data
s_axis_tready : OUT STD_LOGIC; -- Ready to accept input
s_axis_tlast : IN STD_LOGIC; -- Channel indicator (0=left, 1=right)
m_axis_tvalid : out std_logic;
m_axis_tdata : out std_logic_vector(TDATA_WIDTH-1 downto 0);
m_axis_tready : in std_logic;
m_axis_tlast : out std_logic;
-- AXI4-Stream Master Interface (Audio Output)
m_axis_tvalid : OUT STD_LOGIC; -- Output data valid
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Balanced audio sample
m_axis_tready : IN STD_LOGIC; -- Downstream ready
m_axis_tlast : OUT STD_LOGIC; -- Channel indicator passthrough
balance : in std_logic_vector(BALANCE_WIDTH-1 downto 0)
);
end balance_controller;
-- Balance Control Input
balance : IN STD_LOGIC_VECTOR(BALANCE_WIDTH - 1 DOWNTO 0) -- Balance position (0=full left, 1023=full right, 512=center)
);
END balance_controller;
architecture Behavioral of balance_controller is
ARCHITECTURE Behavioral OF balance_controller IS
begin
-- Balance calculation constants
CONSTANT BALANCE_STEPS : INTEGER := (2 ** (BALANCE_WIDTH - 1)) / (2 ** BALANCE_STEP_2) + 1; -- Number of attenuation steps (9 steps for 10-bit balance)
CONSTANT BAL_MID : INTEGER := 2 ** (BALANCE_WIDTH - 1); -- Center balance position (512 for 10-bit)
CONSTANT DEAD_ZONE : INTEGER := (2 ** BALANCE_STEP_2) / 2; -- Dead zone around center (32 for step size 64)
end Behavioral;
-- Channel attenuation levels (number of bit shifts for volume reduction)
SIGNAL left_channel : INTEGER RANGE 0 TO BALANCE_STEPS := 0; -- Left channel attenuation (0 = no attenuation, higher = more attenuation)
SIGNAL right_channel : INTEGER RANGE 0 TO BALANCE_STEPS := 0; -- Right channel attenuation (0 = no attenuation, higher = more attenuation)
-- Internal AXI signals
SIGNAL m_axis_tvalid_int : STD_LOGIC; -- Internal valid signal for output
BEGIN
-- Connect internal signals to output ports
m_axis_tvalid <= m_axis_tvalid_int;
-- Input ready logic: Ready when downstream is ready OR no valid data pending, AND not in reset
s_axis_tready <= (m_axis_tready OR NOT m_axis_tvalid_int) AND aresetn;
-- Balance calculation process
-- Converts joystick x-axis position to attenuation levels for each channel
BALANCE_CALC : PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset: No attenuation on either channel
left_channel <= 0;
right_channel <= 0;
ELSE
-- Balance Mapping:
-- balance = 0-479: Left (right channel attenuated)
-- balance = 480-543: Center with dead zone (no attenuation)
-- balance = 544-1023: Right (left channel attenuated)
-- Right-leaning balance: Attenuate left channel
IF to_integer(unsigned(balance)) > (BAL_MID + DEAD_ZONE) THEN
-- Calculate left channel attenuation based on how far right of center
-- Subtract center+deadzone, divide by step size, add 1 for rounding
left_channel <= to_integer((unsigned(balance) - to_unsigned(BAL_MID + DEAD_ZONE, balance'length)) SRL BALANCE_STEP_2) + 1;
ELSE
-- Balance not significantly right of center: no left attenuation
left_channel <= 0;
END IF;
-- Left-leaning balance: Attenuate right channel
IF to_integer(unsigned(balance)) < (BAL_MID - DEAD_ZONE) THEN
-- Calculate right channel attenuation based on how far left of center
-- Subtract balance from center-deadzone, divide by step size, add 1 for rounding
right_channel <= to_integer((to_unsigned(BAL_MID - DEAD_ZONE, balance'length) - unsigned(balance)) SRL BALANCE_STEP_2) + 1;
ELSE
-- Balance not significantly left of center: no right attenuation
right_channel <= 0;
END IF;
END IF;
END IF;
END PROCESS BALANCE_CALC;
-- AXI4-Stream data processing
-- Applies calculated attenuation to audio samples based on channel
AXIS : PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset output interface
m_axis_tvalid_int <= '0'; -- No valid output data
m_axis_tlast <= '0'; -- Clear channel indicator
ELSE
-- Output handshake: Clear valid flag when downstream accepts data
IF m_axis_tready = '1' THEN
m_axis_tvalid_int <= '0';
END IF;
-- Data processing: Apply balance when input and output are ready
IF s_axis_tvalid = '1' AND m_axis_tready = '1' THEN
-- Channel identification based on tlast signal:
-- tlast = '0': Left channel sample
-- tlast = '1': Right channel sample
IF s_axis_tlast = '0' THEN
-- Left channel: Apply left channel attenuation
-- Arithmetic right shift preserves sign for signed audio data
m_axis_tdata <= STD_LOGIC_VECTOR(shift_right(signed(s_axis_tdata), left_channel));
ELSE
-- Right channel: Apply right channel attenuation
-- Arithmetic right shift preserves sign for signed audio data
m_axis_tdata <= STD_LOGIC_VECTOR(shift_right(signed(s_axis_tdata), right_channel));
END IF;
-- Set output control signals
m_axis_tvalid_int <= '1'; -- Mark output as valid
m_axis_tlast <= s_axis_tlast; -- Pass through channel indicator
END IF;
END IF;
END IF;
END PROCESS AXIS;
END Behavioral;

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LAB3/src/digilent_jstk2.vhd
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library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
entity digilent_jstk2 is
generic (
DELAY_US : integer := 25; -- Delay (in us) between two packets
CLKFREQ : integer := 100_000_000; -- Frequency of the aclk signal (in Hz)
SPI_SCLKFREQ : integer := 66_666 -- Frequency of the SPI SCLK clock signal (in Hz)
);
Port (
aclk : in STD_LOGIC;
aresetn : in STD_LOGIC;
-- Entity: digilent_jstk2
-- Purpose: Interface controller for the Digilent JSTK2 joystick module via SPI
-- Sends LED color commands and receives joystick/button data
ENTITY digilent_jstk2 IS
GENERIC (
DELAY_US : INTEGER := 25; -- Delay (in microseconds) between two SPI packets
CLKFREQ : INTEGER := 100_000_000; -- Frequency of the aclk signal (in Hz)
SPI_SCLKFREQ : INTEGER := 5_000 -- Frequency of the SPI SCLK clock signal (in Hz)
);
PORT (
aclk : IN STD_LOGIC; -- Main clock input
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
-- Data going TO the SPI IP-Core (and so, to the JSTK2 module)
m_axis_tvalid : out STD_LOGIC;
m_axis_tdata : out STD_LOGIC_VECTOR(7 downto 0);
m_axis_tready : in STD_LOGIC;
-- AXI4-Stream Master Interface: Data going TO the SPI IP-Core (and so, to the JSTK2 module)
m_axis_tvalid : OUT STD_LOGIC; -- Output data valid signal
m_axis_tdata : OUT STD_LOGIC_VECTOR(7 DOWNTO 0); -- 8-bit data to send via SPI
m_axis_tready : IN STD_LOGIC; -- SPI IP-Core ready to accept data
-- Data coming FROM the SPI IP-Core (and so, from the JSTK2 module)
-- There is no tready signal, so you must be always ready to accept and use the incoming data, or it will be lost!
s_axis_tvalid : in STD_LOGIC;
s_axis_tdata : in STD_LOGIC_VECTOR(7 downto 0);
-- AXI4-Stream Slave Interface: Data coming FROM the SPI IP-Core (and so, from the JSTK2 module)
-- Note: There is no tready signal, so you must be always ready to accept incoming data, or it will be lost!
s_axis_tvalid : IN STD_LOGIC; -- Input data valid signal
s_axis_tdata : IN STD_LOGIC_VECTOR(7 DOWNTO 0); -- 8-bit data received via SPI
-- Joystick and button values read from the module
jstk_x : out std_logic_vector(9 downto 0);
jstk_y : out std_logic_vector(9 downto 0);
btn_jstk : out std_logic;
btn_trigger : out std_logic;
-- Joystick and button values read from the JSTK2 module
jstk_x : OUT STD_LOGIC_VECTOR(9 DOWNTO 0); -- X-axis joystick position (10-bit, 0-1023)
jstk_y : OUT STD_LOGIC_VECTOR(9 DOWNTO 0); -- Y-axis joystick position (10-bit, 0-1023)
btn_jstk : OUT STD_LOGIC; -- Joystick button state (1=pressed)
btn_trigger : OUT STD_LOGIC; -- Trigger button state (1=pressed)
-- LED color to send to the module
led_r : in std_logic_vector(7 downto 0);
led_g : in std_logic_vector(7 downto 0);
led_b : in std_logic_vector(7 downto 0)
);
end digilent_jstk2;
-- LED color values to send to the JSTK2 module
led_r : IN STD_LOGIC_VECTOR(7 DOWNTO 0); -- Red LED intensity (0-255)
led_g : IN STD_LOGIC_VECTOR(7 DOWNTO 0); -- Green LED intensity (0-255)
led_b : IN STD_LOGIC_VECTOR(7 DOWNTO 0) -- Blue LED intensity (0-255)
);
END digilent_jstk2;
architecture Behavioral of digilent_jstk2 is
ARCHITECTURE Behavioral OF digilent_jstk2 IS
-- Code for the SetLEDRGB command, see the JSTK2 datasheet.
constant CMDSETLEDRGB : std_logic_vector(7 downto 0) := x"84";
-- Command code for the SetLEDRGB command, see the JSTK2 datasheet
CONSTANT CMDSETLEDRGB : STD_LOGIC_VECTOR(7 DOWNTO 0) := x"84";
-- Do not forget that you MUST wait a bit between two packets. See the JSTK2 datasheet (and the SPI IP-Core README).
------------------------------------------------------------
-- Calculate delay in clock cycles: (delay_period + 1_SPI_clock_period) * clock_frequency
-- This ensures proper timing between SPI packets as required by JSTK2 datasheet
CONSTANT DELAY_CLK_CYCLES : INTEGER := (DELAY_US + 1_000_000 / SPI_SCLKFREQ) * (CLKFREQ / 1_000_000) - 1;
begin
-- State machine type definitions
TYPE tx_state_type IS (DELAY, SEND_CMD, SEND_RED, SEND_GREEN, SEND_BLUE, SEND_DUMMY);
TYPE rx_state_type IS (JSTK_X_LOW, JSTK_X_HIGH, JSTK_Y_LOW, JSTK_Y_HIGH, BUTTONS);
-- ...
-- State machine signals
SIGNAL tx_state : tx_state_type := DELAY; -- Transmit state machine current state
SIGNAL rx_state : rx_state_type := JSTK_X_LOW; -- Receive state machine current state
end architecture;
-- Timing and data storage signals
SIGNAL tx_delay_counter : INTEGER RANGE 0 TO DELAY_CLK_CYCLES := 0; -- Counter for inter-packet delay timing
SIGNAL rx_cache : STD_LOGIC_VECTOR(s_axis_tdata'range); -- Temporary storage for multi-byte data reception
BEGIN
-- Output valid signal control: Set to '1' when we want to send data to SPI IP-Core
-- Only inactive during DELAY state when waiting between packets
WITH tx_state SELECT m_axis_tvalid <=
'0' WHEN DELAY, -- No transmission during delay
'1' WHEN SEND_CMD, -- Send command byte
'1' WHEN SEND_RED, -- Send red LED value
'1' WHEN SEND_GREEN, -- Send green LED value
'1' WHEN SEND_BLUE, -- Send blue LED value
'1' WHEN SEND_DUMMY; -- Send dummy byte to complete transaction
-- Output data multiplexer: Select what data to send based on current TX state
WITH tx_state SELECT m_axis_tdata <=
(OTHERS => '0') WHEN DELAY, -- No data during delay
CMDSETLEDRGB WHEN SEND_CMD, -- SetLEDRGB command (0x84)
led_r WHEN SEND_RED, -- Red LED intensity value
led_g WHEN SEND_GREEN, -- Green LED intensity value
led_b WHEN SEND_BLUE, -- Blue LED intensity value
"01101001" WHEN SEND_DUMMY; -- Dummy byte to complete 5-byte transaction
-- TX State Machine: Sends LED color commands to JSTK2 module
-- Protocol: Command(1) + Red(1) + Green(1) + Blue(1) + Dummy(1) = 5 bytes total > Delay before next command
-- The delay is required by the JSTK datasheet to ensure proper timing between SPI transactions
TX : PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset: Start in delay state with counter cleared
tx_state <= DELAY;
tx_delay_counter <= 0;
ELSE
CASE tx_state IS
WHEN DELAY =>
-- Wait for required delay period between SPI transactions
IF tx_delay_counter = DELAY_CLK_CYCLES THEN
tx_delay_counter <= 0; -- Reset counter
tx_state <= SEND_CMD; -- Start new transmission
ELSE
tx_delay_counter <= tx_delay_counter + 1; -- Continue counting
END IF;
WHEN SEND_CMD =>
-- Send SetLEDRGB command byte
IF m_axis_tready = '1' THEN
tx_state <= SEND_RED; -- Move to red LED transmission
END IF;
WHEN SEND_RED =>
-- Send red LED intensity value
IF m_axis_tready = '1' THEN
tx_state <= SEND_GREEN; -- Move to green LED transmission
END IF;
WHEN SEND_GREEN =>
-- Send green LED intensity value
IF m_axis_tready = '1' THEN
tx_state <= SEND_BLUE; -- Move to blue LED transmission
END IF;
WHEN SEND_BLUE =>
-- Send blue LED intensity value
IF m_axis_tready = '1' THEN
tx_state <= SEND_DUMMY; -- Move to dummy byte transmission
END IF;
WHEN SEND_DUMMY =>
-- Send dummy byte to complete 5-byte transaction
IF m_axis_tready = '1' THEN
tx_state <= DELAY; -- Return to delay state
END IF;
END CASE;
END IF;
END IF;
END PROCESS TX;
-- RX State Machine: Receives 5 bytes of response data and updates outputs
-- Protocol: X_low(1) + X_high(1) + Y_low(1) + Y_high(1) + Buttons(1) = 5 bytes total
RX : PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset: Start waiting for X-axis low byte
rx_state <= JSTK_X_LOW;
rx_cache <= (OTHERS => '0');
ELSE
CASE rx_state IS
WHEN JSTK_X_LOW =>
-- Receive X-axis low byte (bits 7:0)
IF s_axis_tvalid = '1' THEN
rx_cache <= s_axis_tdata; -- Store low byte temporarily
rx_state <= JSTK_X_HIGH; -- Wait for high byte
END IF;
WHEN JSTK_X_HIGH =>
-- Receive X-axis high byte (bits 9:8) and assemble complete X value
IF s_axis_tvalid = '1' THEN
-- Combine: high_byte(1:0) & low_byte(7:0) = 10-bit X position
jstk_x <= s_axis_tdata(1 DOWNTO 0) & rx_cache;
rx_state <= JSTK_Y_LOW; -- Move to Y-axis reception
END IF;
WHEN JSTK_Y_LOW =>
-- Receive Y-axis low byte (bits 7:0)
IF s_axis_tvalid = '1' THEN
rx_cache <= s_axis_tdata; -- Store low byte temporarily
rx_state <= JSTK_Y_HIGH; -- Wait for high byte
END IF;
WHEN JSTK_Y_HIGH =>
-- Receive Y-axis high byte (bits 9:8) and assemble complete Y value
IF s_axis_tvalid = '1' THEN
-- Combine: high_byte(1:0) & low_byte(7:0) = 10-bit Y position
jstk_y <= s_axis_tdata(1 DOWNTO 0) & rx_cache;
rx_state <= BUTTONS; -- Move to button reception
END IF;
WHEN BUTTONS =>
-- Receive button states byte
IF s_axis_tvalid = '1' THEN
btn_jstk <= s_axis_tdata(0); -- Joystick button (bit 0)
btn_trigger <= s_axis_tdata(1); -- Trigger button (bit 1)
rx_state <= JSTK_X_LOW; -- Return to start for next packet
END IF;
END CASE;
END IF;
END IF;
END PROCESS RX;
END ARCHITECTURE;

33
LAB3/src/edge_detector_toggle.vhd
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@@ -15,6 +15,39 @@ end edge_detector_toggle;
architecture Behavioral of edge_detector_toggle is
signal output_signal_int : std_logic;
signal input_signal_old : std_logic;
begin
-- We will have to read output_signal, but it's an output port, so we have to
-- define a new signal and connect it directly with the output port.
-- In this way signal and output port have the exact same value without delays,
-- but the signal can be read.
output_signal <= output_signal_int;
process(clk)
begin
if rising_edge(clk) then
if reset = '1' then
output_signal_int <= '0';
input_signal_old <= '0';
else
-- Sample the old input_signal
-- In this way, at each clock cycle, we have the current value and the previous one.
input_signal_old <= input_signal;
-- Toggle output_signal if we see a 0 --> 1 transition (or 1 --> 0 for the falling edge case).
if (EDGE_RISING = true and input_signal_old = '0' and input_signal = '1') or
(EDGE_RISING = false and input_signal_old = '1' and input_signal = '0') then
output_signal_int <= not output_signal_int;
end if;
end if;
end if;
end process;
end Behavioral;

124
LAB3/src/effect_selector.vhd
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@@ -1,54 +1,82 @@
----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 04/29/2024 10:12:03 AM
-- Design Name:
-- Module Name: effect_selector - Behavioral
-- Project Name:
-- Target Devices:
-- Tool Versions:
-- Description:
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
--use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx leaf cells in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
entity effect_selector is
generic(
JOYSTICK_LENGHT : integer := 10
-- Entity: effect_selector
-- Purpose: Routes joystick input to different audio control parameters based on effect mode
-- Acts as a multiplexer/router for joystick control signals
ENTITY effect_selector IS
GENERIC (
JOYSTICK_LENGHT : INTEGER := 10 -- Width of joystick position data (10-bit = 0-1023 range)
);
Port (
aclk : in STD_LOGIC;
aresetn : in STD_LOGIC;
effect : in STD_LOGIC;
jstck_x : in STD_LOGIC_VECTOR(JOYSTICK_LENGHT-1 downto 0);
jstck_y : in STD_LOGIC_VECTOR(JOYSTICK_LENGHT-1 downto 0);
volume : out STD_LOGIC_VECTOR(JOYSTICK_LENGHT-1 downto 0);
balance : out STD_LOGIC_VECTOR(JOYSTICK_LENGHT-1 downto 0);
lfo_period : out STD_LOGIC_VECTOR(JOYSTICK_LENGHT-1 downto 0)
PORT (
-- Clock and reset signals
aclk : IN STD_LOGIC; -- Main clock input
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
-- Control and input signals
effect : IN STD_LOGIC; -- Effect mode selector (0=volume/balance mode, 1=LFO)
jstck_x : IN STD_LOGIC_VECTOR(JOYSTICK_LENGHT - 1 DOWNTO 0); -- X-axis joystick position
jstck_y : IN STD_LOGIC_VECTOR(JOYSTICK_LENGHT - 1 DOWNTO 0); -- Y-axis joystick position
-- Output control parameters
volume : OUT STD_LOGIC_VECTOR(JOYSTICK_LENGHT - 1 DOWNTO 0); -- Volume control output
balance : OUT STD_LOGIC_VECTOR(JOYSTICK_LENGHT - 1 DOWNTO 0); -- Balance control output
lfo_period : OUT STD_LOGIC_VECTOR(JOYSTICK_LENGHT - 1 DOWNTO 0) -- LFO period control output
);
end effect_selector;
END effect_selector;
architecture Behavioral of effect_selector is
ARCHITECTURE Behavioral OF effect_selector IS
begin
constant JOYSTICK_DEFAULT : STD_LOGIC_VECTOR(JOYSTICK_LENGHT - 1 DOWNTO 0) := STD_LOGIC_VECTOR(to_unsigned(2 ** (JOYSTICK_LENGHT - 1), JOYSTICK_LENGHT)); -- Default joystick value (center position for 10-bit joystick is 512)
BEGIN
end Behavioral;
-- Main control logic process
-- Routes joystick axes to appropriate audio control parameters based on selected mode
PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset all outputs to default/center values
volume <= JOYSTICK_DEFAULT; -- Default volume (center position)
balance <= JOYSTICK_DEFAULT; -- Center balance position
lfo_period <= JOYSTICK_DEFAULT; -- Default LFO period (center position)
ELSE
-- Normal operation: Route joystick inputs based on effect mode
-- Y-axis always controls different parameters based on effect mode
-- X-axis behavior differs between modes
-- Note: When switching between modes, some outputs are reset while others preserved
IF effect = '1' THEN
-- LFO Mode:
-- Y-axis controls Low Frequency Oscillator period
-- X-axis is ignored in this mode
lfo_period <= jstck_y;
-- Volume remains at last set value (preserved from previous mode)
-- Reset balance to center/default position when in LFO mode
balance <= JOYSTICK_DEFAULT; -- Reset balance to center position
ELSE
-- Volume/Balance Mode:
-- Y-axis controls overall volume level
-- X-axis controls left/right audio balance
volume <= jstck_y;
balance <= jstck_x;
-- LFO period remains at last set value (preserved from previous LFO mode)
END IF;
END IF;
END IF;
END PROCESS;
END Behavioral;

76
LAB3/src/led_controller.vhd
View File

@@ -1,22 +1,64 @@
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
entity led_controller is
Generic (
LED_WIDTH : positive := 8
);
Port (
mute_enable : in std_logic;
filter_enable : in std_logic;
-- Entity: led_controller
-- Purpose: Controls RGB LED indicators based on audio system status
-- Provides visual feedback for mute and filter enable states
ENTITY led_controller IS
GENERIC (
LED_WIDTH : POSITIVE := 8 -- Width of LED intensity control (8-bit = 0-255 intensity levels)
);
PORT (
-- Control input signals
mute_enable : IN STD_LOGIC; -- Mute status (1=audio muted, 0=audio active)
filter_enable : IN STD_LOGIC; -- Filter status (1=filter active, 0=filter bypassed)
led_r : out std_logic_vector(LED_WIDTH-1 downto 0);
led_g : out std_logic_vector(LED_WIDTH-1 downto 0);
led_b : out std_logic_vector(LED_WIDTH-1 downto 0)
);
end led_controller;
-- RGB LED output signals (intensity control)
led_r : OUT STD_LOGIC_VECTOR(LED_WIDTH - 1 DOWNTO 0); -- Red LED intensity (0-255)
led_g : OUT STD_LOGIC_VECTOR(LED_WIDTH - 1 DOWNTO 0); -- Green LED intensity (0-255)
led_b : OUT STD_LOGIC_VECTOR(LED_WIDTH - 1 DOWNTO 0) -- Blue LED intensity (0-255)
);
END led_controller;
architecture Behavioral of led_controller is
ARCHITECTURE Behavioral OF led_controller IS
begin
-- Constants for LED intensity levels
CONSTANT ALL_ON : STD_LOGIC_VECTOR(LED_WIDTH - 1 DOWNTO 0) := (OTHERS => '1'); -- Maximum brightness (255)
CONSTANT ALL_OFF : STD_LOGIC_VECTOR(LED_WIDTH - 1 DOWNTO 0) := (OTHERS => '0'); -- LED off (0)
end Behavioral;
BEGIN
-- LED Status Indication Logic:
-- Priority-based color coding for system status
--
-- Color Scheme:
-- RED = Mute active (highest priority - audio completely off)
-- BLUE = Filter active (medium priority - audio processing enabled)
-- GREEN = Normal operation (lowest priority - audio pass-through)
-- Red LED Control: Indicates mute status
-- Turn on red LED when audio is muted, regardless of filter state
led_r <= ALL_ON WHEN mute_enable = '1' ELSE
ALL_OFF;
-- Blue LED Control: Indicates filter activation
-- Turn on blue LED when filter is active AND audio is not muted
-- Mute has higher priority than filter indication
led_b <= ALL_ON WHEN (mute_enable = '0' AND filter_enable = '1') ELSE
ALL_OFF;
-- Green LED Control: Indicates normal operation
-- Turn on green LED when audio is active (not muted) AND filter is disabled
-- This represents the default "audio pass-through" state
led_g <= ALL_ON WHEN (mute_enable = '0' AND filter_enable = '0') ELSE
ALL_OFF;
-- Truth Table for LED States:
-- mute_enable | filter_enable | RED | GREEN | BLUE | Status
-- ------------|---------------|-----|-------|------|------------------
-- 0 | 0 | 0 | 1 | 0 | Normal (Green)
-- 0 | 1 | 0 | 0 | 1 | Filter On (Blue)
-- 1 | 0 | 1 | 0 | 0 | Muted (Red)
-- 1 | 1 | 1 | 0 | 0 | Muted (Red)
END Behavioral;

209
LAB3/src/led_level_controller.vhd
View File

@@ -1,60 +1,165 @@
----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 22.05.2021 15:42:35
-- Design Name:
-- Module Name: led_level_controller - Behavioral
-- Project Name:
-- Target Devices:
-- Tool Versions:
-- Description:
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
USE IEEE.MATH_REAL.ALL;
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx leaf cells in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
entity led_level_controller is
generic(
NUM_LEDS : positive := 16;
CHANNEL_LENGHT : positive := 24;
refresh_time_ms: positive :=1;
clock_period_ns: positive :=10
-- Entity: led_level_controller
-- Purpose: Audio level meter using LEDs to display real-time audio amplitude
-- Processes stereo audio samples and drives a bar graph LED display
ENTITY led_level_controller IS
GENERIC (
NUM_LEDS : POSITIVE := 16; -- Number of LEDs in the level meter display
CHANNEL_LENGHT : POSITIVE := 24; -- Width of audio data (24-bit audio samples)
refresh_time_ms : POSITIVE := 1; -- LED refresh rate in milliseconds (1ms = 1kHz update rate)
clock_period_ns : POSITIVE := 10 -- System clock period in nanoseconds (10ns = 100MHz)
);
Port (
aclk : in std_logic;
aresetn : in std_logic;
led : out std_logic_vector(NUM_LEDS-1 downto 0);
PORT (
-- Clock and reset signals
aclk : IN STD_LOGIC; -- Main clock input
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
s_axis_tvalid : in std_logic;
s_axis_tdata : in std_logic_vector(CHANNEL_LENGHT-1 downto 0);
s_axis_tlast : in std_logic;
s_axis_tready : out std_logic
-- LED output array (bar graph display)
led : OUT STD_LOGIC_VECTOR(NUM_LEDS - 1 DOWNTO 0); -- LED control signals (1=on, 0=off)
-- AXI4-Stream Slave Interface (Audio Input)
s_axis_tvalid : IN STD_LOGIC; -- Input data valid signal
s_axis_tdata : IN STD_LOGIC_VECTOR(CHANNEL_LENGHT - 1 DOWNTO 0); -- Audio sample input
s_axis_tlast : IN STD_LOGIC; -- Channel indicator (0=right, 1=left)
s_axis_tready : OUT STD_LOGIC -- Always ready to accept data
);
end led_level_controller;
END led_level_controller;
architecture Behavioral of led_level_controller is
ARCHITECTURE Behavioral OF led_level_controller IS
begin
-- Calculate clock cycles needed for LED refresh timing
CONSTANT REFRESH_CYCLES : INTEGER := (refresh_time_ms * 1_000_000) / clock_period_ns - 1;
end Behavioral;
-- Calculate the number of bits needed to represent the number of LEDs
CONSTANT NUMLEDS_BITS : INTEGER := INTEGER(ceil(log2(real(NUM_LEDS))));
-- LED refresh timing control signals
SIGNAL refresh_counter : INTEGER RANGE 0 TO REFRESH_CYCLES := 0; -- Counts clock cycles between LED updates
SIGNAL refresh_tick : STD_LOGIC := '0'; -- Pulse signal generated every refresh period
-- Audio amplitude storage for both stereo channels
-- Stores absolute values (magnitude) of left and right audio channels
SIGNAL abs_l : UNSIGNED(CHANNEL_LENGHT - 1 DOWNTO 0) := (OTHERS => '0'); -- Absolute left channel amplitude registers
SIGNAL combined_amp : UNSIGNED(CHANNEL_LENGHT - 1 DOWNTO 0) := (OTHERS => '0'); -- Combined amplitude for LED level calculation
BEGIN
-- Always ready for AXI4-Stream input
s_axis_tready <= '1';
-- Capture absolute value of input sample for left/right channel
PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset: Clear both channel amplitude registers
abs_l <= (OTHERS => '0');
combined_amp <= (OTHERS => '0');
ELSIF s_axis_tvalid = '1' THEN
-- Valid audio data received: Process the sample
-- Channel routing based on AXI4-Stream tlast signal
-- tlast = '1' indicates right channel, tlast = '0' indicates left channel
IF s_axis_tlast = '1' THEN
-- Right channel: Combine left and right channel amplitudes
-- RESIZE ensures the sum fits within the variable's bit width.
-- There isn't data loss since both abs_l and abs(s_axis_tdata) are one bit shorter than combined_amp,
-- due to the absolute value operation.
combined_amp <= RESIZE(abs_l + UNSIGNED(ABS(SIGNED(s_axis_tdata))), combined_amp'LENGTH);
ELSE
-- Left channel: Store absolute value of audio sample
abs_l <= UNSIGNED(ABS(SIGNED(s_axis_tdata)));
END IF;
END IF;
END IF;
END PROCESS;
-- LED refresh tick generator
PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset: Initialize counter and tick signal
refresh_counter <= 0;
refresh_tick <= '0';
ELSE
IF refresh_counter = REFRESH_CYCLES THEN
refresh_counter <= 0;
refresh_tick <= '1';
ELSE
refresh_counter <= refresh_counter + 1;
refresh_tick <= '0';
END IF;
END IF;
END IF;
END PROCESS;
-- LED level calculation and bar graph generation process
-- Combines left and right channel amplitudes and converts to LED display pattern
-- Updates only when refresh_tick is active to maintain stable visual display
PROCESS (aclk)
VARIABLE led_level : INTEGER RANGE 0 TO 2 ** NUMLEDS_BITS := 0;
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset: Turn off all LEDs and reset level counter
led <= (OTHERS => '0');
ELSIF refresh_tick = '1' THEN
-- LED update cycle: Calculate new LED pattern based on audio amplitude
-- Linear scale to LED level conversion to get the best visual effect
IF combined_amp = 0 THEN
led_level := 0; -- No audio signal, turn off all LEDs
ELSE
led_level := 1 + to_integer(shift_right(combined_amp, CHANNEL_LENGHT - NUMLEDS_BITS));
END IF;
-- Saturation protection: Limit LED level to maximum available LEDs
-- Prevents overflow and ensures the LED index stays within bounds.
IF led_level > NUM_LEDS THEN
led_level := NUM_LEDS;
END IF;
-- Update LED output based on calculated level
led <= (OTHERS => '0');
IF led_level > 0 THEN
led(led_level - 1 DOWNTO 0) <= (OTHERS => '1');
END IF;
END IF;
END IF;
END PROCESS;
END Behavioral;

218
LAB3/src/moving_average_filter.vhd
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@@ -1,32 +1,200 @@
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use ieee.numeric_std.all;
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
entity moving_average_filter is
generic (
-- Filter order expressed as 2^(FILTER_ORDER_POWER)
FILTER_ORDER_POWER : integer := 5;
-- Entity: moving_average_filter
-- Purpose: Implements a moving average filter for audio data
-- Maintains separate circular buffers for left and right audio channels
-- Filter order is configurable as 2^(FILTER_ORDER_POWER) samples
ENTITY moving_average_filter IS
GENERIC (
-- Filter order expressed as 2^(FILTER_ORDER_POWER)
-- Example: FILTER_ORDER_POWER = 5 means 32-sample moving average
FILTER_ORDER_POWER : INTEGER := 5;
TDATA_WIDTH : positive := 24
);
Port (
aclk : in std_logic;
aresetn : in std_logic;
TDATA_WIDTH : POSITIVE := 24 -- Width of audio data bus (24-bit audio samples)
);
PORT (
-- Clock and reset signals
aclk : IN STD_LOGIC; -- Main clock input
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
s_axis_tvalid : in std_logic;
s_axis_tdata : in std_logic_vector(TDATA_WIDTH-1 downto 0);
s_axis_tlast : in std_logic;
s_axis_tready : out std_logic;
-- AXI4-Stream Slave Interface (Audio Input)
s_axis_tvalid : IN STD_LOGIC; -- Input data valid signal
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Audio sample input
s_axis_tlast : IN STD_LOGIC; -- Channel indicator (0=left, 1=right)
s_axis_tready : OUT STD_LOGIC; -- Ready to accept input data
m_axis_tvalid : out std_logic;
m_axis_tdata : out std_logic_vector(TDATA_WIDTH-1 downto 0);
m_axis_tlast : out std_logic;
m_axis_tready : in std_logic
);
end moving_average_filter;
-- AXI4-Stream Master Interface (Audio Output)
m_axis_tvalid : OUT STD_LOGIC; -- Output data valid signal
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Filtered audio sample output
m_axis_tlast : OUT STD_LOGIC; -- Channel indicator passthrough
m_axis_tready : IN STD_LOGIC -- Downstream ready signal
);
END moving_average_filter;
architecture Behavioral of moving_average_filter is
ARCHITECTURE Behavioral OF moving_average_filter IS
begin
-- Calculate actual filter order from power-of-2 representation
CONSTANT FILTER_ORDER : INTEGER := 2 ** FILTER_ORDER_POWER;
end Behavioral;
-- Array type for storing audio samples in circular buffers
TYPE sample_array IS ARRAY (0 TO FILTER_ORDER - 1) OF signed(TDATA_WIDTH - 1 DOWNTO 0);
-- Right channel (RX) processing signals
SIGNAL samples_rx : sample_array := (OTHERS => (OTHERS => '0')); -- Circular buffer for right channel samples
SIGNAL sum_rx : signed(TDATA_WIDTH + FILTER_ORDER_POWER - 1 DOWNTO 0) := (OTHERS => '0'); -- Running sum of right channel samples
SIGNAL wr_ptr_rx : INTEGER RANGE 0 TO FILTER_ORDER - 1 := 0; -- Write pointer for right channel buffer
-- Left channel (LX) processing signals
SIGNAL samples_lx : sample_array := (OTHERS => (OTHERS => '0')); -- Circular buffer for left channel samples
SIGNAL sum_lx : signed(TDATA_WIDTH + FILTER_ORDER_POWER - 1 DOWNTO 0) := (OTHERS => '0'); -- Running sum of left channel samples
SIGNAL wr_ptr_lx : INTEGER RANGE 0 TO FILTER_ORDER - 1 := 0; -- Write pointer for left channel buffer
-- Control and interface signals
SIGNAL trigger : STD_LOGIC := '0'; -- Trigger signal to indicate when to output filtered data
SIGNAL s_axis_tready_int : STD_LOGIC := '0'; -- Internal ready signal for input interface
SIGNAL s_axis_tlast_reg : STD_LOGIC := '0'; -- Registered version of tlast for output synchronization
SIGNAL m_axis_tvalid_int : STD_LOGIC := '0'; -- Internal valid signal for output interface
BEGIN
-- Connect internal signals to output ports
m_axis_tvalid <= m_axis_tvalid_int;
s_axis_tready <= s_axis_tready_int;
-- Main processing logic - synchronous to clock
PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset all filter state and control signals
samples_rx <= (OTHERS => (OTHERS => '0')); -- Clear right channel sample buffer
samples_lx <= (OTHERS => (OTHERS => '0')); -- Clear left channel sample buffer
sum_rx <= (OTHERS => '0'); -- Clear right channel running sum
sum_lx <= (OTHERS => '0'); -- Clear left channel running sum
wr_ptr_rx <= 0; -- Reset right channel write pointer
wr_ptr_lx <= 0; -- Reset left channel write pointer
-- Reset AXI4-Stream interface signals
s_axis_tlast_reg <= '0'; -- Clear registered tlast
s_axis_tready_int <= '0'; -- Not ready during reset
m_axis_tvalid_int <= '0'; -- No valid output during reset
m_axis_tlast <= '0'; -- Clear output tlast
ELSE
-- Normal operation
-- Output handshake management:
-- Clear valid flag when downstream accepts data
IF m_axis_tready = '1' THEN
m_axis_tvalid_int <= '0';
END IF;
-- Data output logic:
-- Output filtered data when trigger is set AND output interface is available
IF trigger = '1' AND (m_axis_tvalid_int = '0' OR m_axis_tready = '1') THEN
-- Select which channel's filtered data to output based on registered tlast
IF s_axis_tlast_reg = '1' THEN
-- Right channel: Output averaged right channel data
-- Divide sum by filter order using right shift (efficient division by power of 2)
m_axis_tdata <= STD_LOGIC_VECTOR(
resize(
shift_right(
sum_rx, -- Right channel running sum
FILTER_ORDER_POWER -- Divide by 2^FILTER_ORDER_POWER
),
m_axis_tdata'length -- Resize to output width
)
);
ELSE
-- Left channel: Output averaged left channel data
-- Divide sum by filter order using right shift (efficient division by power of 2)
m_axis_tdata <= STD_LOGIC_VECTOR(
resize(
shift_right(
sum_lx, -- Left channel running sum
FILTER_ORDER_POWER -- Divide by 2^FILTER_ORDER_POWER
),
m_axis_tdata'length -- Resize to output width
)
);
END IF;
-- Set output control signals
m_axis_tlast <= s_axis_tlast_reg; -- Pass through the registered channel indicator
m_axis_tvalid_int <= '1'; -- Mark output as valid
trigger <= '0'; -- Clear trigger - data has been output
END IF;
-- Data input logic:
-- Process new input samples when both valid and ready are asserted
IF s_axis_tvalid = '1' AND s_axis_tready_int = '1' THEN
-- Channel identification and processing based on tlast signal
IF s_axis_tlast = '1' THEN
-- Right channel processing (tlast = '1')
-- Store new sample in circular buffer, overwriting oldest sample
samples_rx(wr_ptr_rx) <= signed(s_axis_tdata);
-- Update write pointer with wraparound (circular buffer behavior)
wr_ptr_rx <= (wr_ptr_rx + 1) MOD FILTER_ORDER;
-- Update running sum using sliding window technique:
-- Remove the oldest sample (about to be overwritten) and add the new sample
-- This maintains the sum of the most recent FILTER_ORDER samples
sum_rx <= sum_rx - samples_rx(wr_ptr_rx) + signed(s_axis_tdata);
-- Register tlast for output synchronization
s_axis_tlast_reg <= s_axis_tlast;
ELSE
-- Left channel processing (tlast = '0')
-- Store new sample in circular buffer, overwriting oldest sample
samples_lx(wr_ptr_lx) <= signed(s_axis_tdata);
-- Update write pointer with wraparound (circular buffer behavior)
wr_ptr_lx <= (wr_ptr_lx + 1) MOD FILTER_ORDER;
-- Update running sum using sliding window technique:
-- Remove the oldest sample (about to be overwritten) and add the new sample
-- This maintains the sum of the most recent FILTER_ORDER samples
sum_lx <= sum_lx - samples_lx(wr_ptr_lx) + signed(s_axis_tdata);
-- Register tlast for output synchronization
s_axis_tlast_reg <= s_axis_tlast;
END IF;
-- Set trigger to indicate that new filtered data is ready for output
trigger <= '1';
END IF;
-- Input ready logic:
-- Ready to accept new input when downstream is ready OR no valid output pending
-- This implements proper AXI4-Stream backpressure handling
s_axis_tready_int <= m_axis_tready OR NOT m_axis_tvalid_int;
END IF;
END IF;
END PROCESS;
-- Filter Operation Summary:
-- 1. Maintains separate circular buffers for left and right audio channels
-- 2. Uses running sum technique for efficient moving average calculation
-- 3. Each new sample: removes oldest from sum, adds newest to sum
-- 4. Output = sum / FILTER_ORDER (using efficient bit shift division)
-- 5. Provides low-pass filtering with configurable filter order
END Behavioral;

186
LAB3/src/moving_average_filter_en.vhd
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@@ -1,34 +1,168 @@
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use ieee.numeric_std.all;
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE ieee.numeric_std.ALL;
entity moving_average_filter_en is
generic (
-- Filter order expressed as 2^(FILTER_ORDER_POWER)
FILTER_ORDER_POWER : integer := 5;
-- Entity: moving_average_filter_en
-- Purpose: Switchable audio filter that can be enabled or disabled at runtime
-- When enabled: applies moving average low-pass filtering
-- When disabled: passes audio through unchanged (all-pass filter)
-- This allows real-time comparison between filtered and unfiltered audio
ENTITY moving_average_filter_en IS
GENERIC (
-- Filter order expressed as 2^(FILTER_ORDER_POWER)
-- Example: FILTER_ORDER_POWER = 5 means filter order = 32 samples
FILTER_ORDER_POWER : INTEGER := 5;
TDATA_WIDTH : positive := 24
);
Port (
aclk : in std_logic;
aresetn : in std_logic;
TDATA_WIDTH : POSITIVE := 24 -- Width of audio data bus (24-bit audio samples)
);
PORT (
-- Clock and reset signals
aclk : IN STD_LOGIC; -- Main clock input
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
s_axis_tvalid : in std_logic;
s_axis_tdata : in std_logic_vector(TDATA_WIDTH-1 downto 0);
s_axis_tlast : in std_logic;
s_axis_tready : out std_logic;
-- AXI4-Stream Slave Interface (Audio Input)
s_axis_tvalid : IN STD_LOGIC; -- Input data valid signal
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Audio sample input
s_axis_tlast : IN STD_LOGIC; -- Channel indicator (0=left, 1=right)
s_axis_tready : OUT STD_LOGIC; -- Ready to accept input data
m_axis_tvalid : out std_logic;
m_axis_tdata : out std_logic_vector(TDATA_WIDTH-1 downto 0);
m_axis_tlast : out std_logic;
m_axis_tready : in std_logic;
-- AXI4-Stream Master Interface (Audio Output)
m_axis_tvalid : OUT STD_LOGIC; -- Output data valid signal
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Audio sample output (filtered or unfiltered)
m_axis_tlast : OUT STD_LOGIC; -- Channel indicator passthrough
m_axis_tready : IN STD_LOGIC; -- Downstream ready signal
enable_filter : in std_logic
);
end moving_average_filter_en;
-- Filter control input
enable_filter : IN STD_LOGIC -- Filter enable control (1=moving average filter, 0=all-pass filter)
);
END moving_average_filter_en;
architecture Behavioral of moving_average_filter_en is
ARCHITECTURE Behavioral OF moving_average_filter_en IS
begin
-- Component declaration for all-pass filter
-- This filter passes audio unchanged but maintains the same latency as the moving average filter
COMPONENT all_pass_filter IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24
);
PORT (
aclk : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
end Behavioral;
s_axis_tvalid : IN STD_LOGIC;
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
s_axis_tlast : IN STD_LOGIC;
s_axis_tready : OUT STD_LOGIC;
m_axis_tvalid : OUT STD_LOGIC;
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
m_axis_tlast : OUT STD_LOGIC;
m_axis_tready : IN STD_LOGIC
);
END COMPONENT;
-- Component declaration for moving average filter
-- This filter applies low-pass filtering by averaging multiple audio samples
COMPONENT moving_average_filter IS
GENERIC (
FILTER_ORDER_POWER : INTEGER := 5;
TDATA_WIDTH : POSITIVE := 24
);
PORT (
aclk : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
s_axis_tvalid : IN STD_LOGIC;
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
s_axis_tlast : IN STD_LOGIC;
s_axis_tready : OUT STD_LOGIC;
m_axis_tvalid : OUT STD_LOGIC;
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
m_axis_tlast : OUT STD_LOGIC;
m_axis_tready : IN STD_LOGIC
);
END COMPONENT;
-- Internal signals for the all-pass filter path
-- These signals carry data when filtering is disabled
SIGNAL all_pass_m_tvalid : STD_LOGIC; -- All-pass filter output valid
SIGNAL all_pass_m_tdata : STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- All-pass filter output data
SIGNAL all_pass_m_tlast : STD_LOGIC; -- All-pass filter output tlast
SIGNAL all_pass_s_tready : STD_LOGIC; -- All-pass filter input ready
-- Internal signals for the moving average filter path
-- These signals carry data when filtering is enabled
SIGNAL moving_avg_m_tvalid : STD_LOGIC; -- Moving average filter output valid
SIGNAL moving_avg_m_tdata : STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Moving average filter output data
SIGNAL moving_avg_m_tlast : STD_LOGIC; -- Moving average filter output tlast
SIGNAL moving_avg_s_tready : STD_LOGIC; -- Moving average filter input ready
BEGIN
-- Instantiate the all-pass filter (bypass path)
-- This provides unfiltered audio with matched latency for seamless switching
all_pass_inst : all_pass_filter
GENERIC MAP(
TDATA_WIDTH => TDATA_WIDTH
)
PORT MAP(
aclk => aclk,
aresetn => aresetn,
-- Connect input directly to all-pass filter
s_axis_tvalid => s_axis_tvalid,
s_axis_tdata => s_axis_tdata,
s_axis_tlast => s_axis_tlast,
s_axis_tready => all_pass_s_tready,
-- All-pass filter outputs (used when enable_filter = '0')
m_axis_tvalid => all_pass_m_tvalid,
m_axis_tdata => all_pass_m_tdata,
m_axis_tlast => all_pass_m_tlast,
m_axis_tready => m_axis_tready
);
-- Instantiate the moving average filter (filtering path)
-- This provides low-pass filtered audio for noise reduction
moving_avg_inst : moving_average_filter
GENERIC MAP(
FILTER_ORDER_POWER => FILTER_ORDER_POWER,
TDATA_WIDTH => TDATA_WIDTH
)
PORT MAP(
aclk => aclk,
aresetn => aresetn,
-- Connect input directly to moving average filter
s_axis_tvalid => s_axis_tvalid,
s_axis_tdata => s_axis_tdata,
s_axis_tlast => s_axis_tlast,
s_axis_tready => moving_avg_s_tready,
-- Moving average filter outputs (used when enable_filter = '1')
m_axis_tvalid => moving_avg_m_tvalid,
m_axis_tdata => moving_avg_m_tdata,
m_axis_tlast => moving_avg_m_tlast,
m_axis_tready => m_axis_tready
);
-- Output multiplexer: Select between filtered and unfiltered audio paths
-- This switching is controlled by the enable_filter signal
-- Input ready selection: Route backpressure to the active filter
s_axis_tready <= all_pass_s_tready WHEN enable_filter = '0' ELSE moving_avg_s_tready;
-- Output data selection: Route output from the active filter
m_axis_tvalid <= all_pass_m_tvalid WHEN enable_filter = '0' ELSE moving_avg_m_tvalid;
m_axis_tdata <= all_pass_m_tdata WHEN enable_filter = '0' ELSE moving_avg_m_tdata;
m_axis_tlast <= all_pass_m_tlast WHEN enable_filter = '0' ELSE moving_avg_m_tlast;
-- Filter Path Selection Logic:
-- enable_filter = '0': All-pass path (unfiltered audio with matched latency)
-- enable_filter = '1': Moving average path (low-pass filtered audio)
--
-- Both filters run continuously but only the selected path is routed to output
-- This allows for glitch-free switching between filtered and unfiltered audio
END Behavioral;

113
LAB3/src/mute_controller.vhd
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@@ -1,31 +1,96 @@
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
entity mute_controller is
Generic (
TDATA_WIDTH : positive := 24
);
Port (
aclk : in std_logic;
aresetn : in std_logic;
-- Entity: mute_controller
-- Purpose: Controls audio muting by replacing audio samples with zeros when mute is active
-- Implements AXI4-Stream interface for seamless integration in audio processing chain
ENTITY mute_controller IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24 -- Width of audio data bus (24-bit audio samples)
);
PORT (
-- Clock and reset signals
aclk : IN STD_LOGIC; -- Main clock input
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
s_axis_tvalid : in std_logic;
s_axis_tdata : in std_logic_vector(TDATA_WIDTH-1 downto 0);
s_axis_tlast : in std_logic;
s_axis_tready : out std_logic;
-- AXI4-Stream Slave Interface (Audio Input)
s_axis_tvalid : IN STD_LOGIC; -- Input data valid signal
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Audio sample input
s_axis_tlast : IN STD_LOGIC; -- Channel indicator (0=left, 1=right)
s_axis_tready : OUT STD_LOGIC; -- Ready to accept input data
m_axis_tvalid : out std_logic;
m_axis_tdata : out std_logic_vector(TDATA_WIDTH-1 downto 0);
m_axis_tlast : out std_logic;
m_axis_tready : in std_logic;
-- AXI4-Stream Master Interface (Audio Output)
m_axis_tvalid : OUT STD_LOGIC; -- Output data valid signal
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Audio sample output (muted or passed through)
m_axis_tlast : OUT STD_LOGIC; -- Channel indicator passthrough
m_axis_tready : IN STD_LOGIC; -- Downstream ready signal
mute : in std_logic
);
end mute_controller;
-- Control input
mute : IN STD_LOGIC -- Mute control (1=mute audio, 0=pass audio through)
);
END mute_controller;
architecture Behavioral of mute_controller is
ARCHITECTURE Behavioral OF mute_controller IS
begin
-- Internal signal for output valid control
SIGNAL m_axis_tvalid_int : STD_LOGIC;
end Behavioral;
BEGIN
-- Connect internal signals to output ports
m_axis_tvalid <= m_axis_tvalid_int;
-- Input ready logic: Ready when downstream is ready OR no valid data pending, AND not in reset
-- This implements proper AXI4-Stream backpressure handling
s_axis_tready <= (m_axis_tready OR NOT m_axis_tvalid_int) AND aresetn;
-- Main mute control process
-- Handles AXI4-Stream protocol and mute functionality
PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset state: Clear all output control signals
m_axis_tvalid_int <= '0'; -- No valid output data during reset
m_axis_tlast <= '0'; -- Clear channel indicator
ELSE
-- Normal operation
-- Output handshake management:
-- Clear valid flag when downstream accepts data
-- This allows new data to be output on the next cycle
IF m_axis_tready = '1' THEN
m_axis_tvalid_int <= '0';
END IF;
-- Data processing: Handle mute control when both input and output are ready
-- This ensures proper AXI4-Stream handshaking
IF s_axis_tvalid = '1' AND m_axis_tready = '1' THEN
-- Mute control logic:
IF mute = '1' THEN
-- Mute active: Replace audio data with silence (all zeros)
-- This effectively removes all audio content while maintaining data flow
m_axis_tdata <= (OTHERS => '0');
ELSE
-- Mute inactive: Pass audio data through unchanged
-- Normal audio processing mode
m_axis_tdata <= s_axis_tdata;
END IF;
-- Set output control signals
m_axis_tvalid_int <= '1'; -- Mark output data as valid
m_axis_tlast <= s_axis_tlast; -- Pass through channel indicator unchanged
END IF;
END IF;
END IF;
END PROCESS;
END Behavioral;

191
LAB3/src/volume_controller.vhd
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@@ -1,35 +1,170 @@
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
entity volume_controller is
Generic (
TDATA_WIDTH : positive := 24;
VOLUME_WIDTH : positive := 10;
VOLUME_STEP_2 : positive := 6; -- i.e., volume_values_per_step = 2**VOLUME_STEP_2
HIGHER_BOUND : integer := 2**23-1; -- Inclusive
LOWER_BOUND : integer := -2**23 -- Inclusive
);
Port (
aclk : in std_logic;
aresetn : in std_logic;
-- Entity: volume_controller
-- Purpose: Controls audio volume by scaling audio samples according to volume control input
-- Implements a two-stage processing pipeline: multiplication followed by saturation
-- This approach prevents overflow and distortion in the audio signal
ENTITY volume_controller IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24; -- Width of audio data bus (24-bit audio samples)
VOLUME_WIDTH : POSITIVE := 10; -- Width of volume control input (10-bit = 0-1023 range)
VOLUME_STEP_2 : POSITIVE := 6; -- Log2 of volume values per step (2^6 = 64 values per step)
HIGHER_BOUND : INTEGER := 2 ** 23 - 1; -- Maximum positive value for saturation (inclusive)
LOWER_BOUND : INTEGER := - 2 ** 23 -- Maximum negative value for saturation (inclusive)
);
PORT (
-- Clock and reset signals
aclk : IN STD_LOGIC; -- Main clock input
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
s_axis_tvalid : in std_logic;
s_axis_tdata : in std_logic_vector(TDATA_WIDTH-1 downto 0);
s_axis_tlast : in std_logic;
s_axis_tready : out std_logic;
-- AXI4-Stream Slave Interface (Audio Input)
s_axis_tvalid : IN STD_LOGIC; -- Input data valid signal
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Audio sample input
s_axis_tlast : IN STD_LOGIC; -- Channel indicator (0=left, 1=right)
s_axis_tready : OUT STD_LOGIC; -- Ready to accept input data
m_axis_tvalid : out std_logic;
m_axis_tdata : out std_logic_vector(TDATA_WIDTH-1 downto 0);
m_axis_tlast : out std_logic;
m_axis_tready : in std_logic;
-- AXI4-Stream Master Interface (Audio Output)
m_axis_tvalid : OUT STD_LOGIC; -- Output data valid signal
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Audio sample output (volume adjusted)
m_axis_tlast : OUT STD_LOGIC; -- Channel indicator passthrough
m_axis_tready : IN STD_LOGIC; -- Downstream ready signal
volume : in std_logic_vector(VOLUME_WIDTH-1 downto 0)
);
end volume_controller;
-- Volume control input
volume : IN STD_LOGIC_VECTOR(VOLUME_WIDTH - 1 DOWNTO 0) -- Volume level (0=minimum, 1023=maximum)
);
END volume_controller;
architecture Behavioral of volume_controller is
ARCHITECTURE Behavioral OF volume_controller IS
begin
-- Component declaration for volume multiplier
-- First stage: multiplies audio samples by volume scaling factor
-- Output has wider bit width to accommodate multiplication results
COMPONENT volume_multiplier IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24; -- Input audio data width
VOLUME_WIDTH : POSITIVE := 10; -- Volume control width
VOLUME_STEP_2 : POSITIVE := 6 -- Step size for volume control
);
PORT (
aclk : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
end Behavioral;
-- Input AXI4-Stream interface
s_axis_tvalid : IN STD_LOGIC;
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
s_axis_tlast : IN STD_LOGIC;
s_axis_tready : OUT STD_LOGIC;
-- Output AXI4-Stream interface (wider data width due to multiplication)
m_axis_tvalid : OUT STD_LOGIC;
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 + 2 ** (VOLUME_WIDTH - VOLUME_STEP_2 - 1) DOWNTO 0);
m_axis_tlast : OUT STD_LOGIC;
m_axis_tready : IN STD_LOGIC;
volume : IN STD_LOGIC_VECTOR(VOLUME_WIDTH - 1 DOWNTO 0)
);
END COMPONENT;
-- Component declaration for volume saturator
-- Second stage: clips multiplication results to prevent overflow and distortion
-- Reduces bit width back to original audio format
COMPONENT volume_saturator IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24; -- Final audio data width
VOLUME_WIDTH : POSITIVE := 10; -- Volume control width
VOLUME_STEP_2 : POSITIVE := 6; -- Step size for volume control
HIGHER_BOUND : INTEGER := 2 ** 15 - 1; -- Upper saturation limit (inclusive)
LOWER_BOUND : INTEGER := - 2 ** 15 -- Lower saturation limit (inclusive)
);
PORT (
aclk : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
-- Input AXI4-Stream interface (wide data from multiplier)
s_axis_tvalid : IN STD_LOGIC;
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 + 2 ** (VOLUME_WIDTH - VOLUME_STEP_2 - 1) DOWNTO 0);
s_axis_tlast : IN STD_LOGIC;
s_axis_tready : OUT STD_LOGIC;
-- Output AXI4-Stream interface (original audio data width)
m_axis_tvalid : OUT STD_LOGIC;
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0);
m_axis_tlast : OUT STD_LOGIC;
m_axis_tready : IN STD_LOGIC
);
END COMPONENT;
-- Internal AXI4-Stream signals between multiplier and saturator
-- These signals carry the wide multiplication results before saturation
SIGNAL int_axis_tvalid : STD_LOGIC; -- Valid signal between stages
SIGNAL int_axis_tready : STD_LOGIC; -- Ready signal between stages
SIGNAL int_axis_tdata : STD_LOGIC_VECTOR(TDATA_WIDTH - 1 + 2 ** (VOLUME_WIDTH - VOLUME_STEP_2 - 1) DOWNTO 0); -- Wide data between stages
SIGNAL int_axis_tlast : STD_LOGIC; -- Channel indicator between stages
BEGIN
-- Instantiate volume_multiplier (First Stage)
-- Multiplies incoming audio samples by volume scaling factor
-- Output has extended bit width to prevent loss of precision
volume_multiplier_inst : volume_multiplier
GENERIC MAP(
TDATA_WIDTH => TDATA_WIDTH, -- Input audio sample width
VOLUME_WIDTH => VOLUME_WIDTH, -- Volume control resolution
VOLUME_STEP_2 => VOLUME_STEP_2 -- Volume step size
)
PORT MAP(
aclk => aclk,
aresetn => aresetn,
-- Connect to external input interface
s_axis_tvalid => s_axis_tvalid,
s_axis_tdata => s_axis_tdata,
s_axis_tlast => s_axis_tlast,
s_axis_tready => s_axis_tready,
-- Connect to internal interface (wide data)
m_axis_tvalid => int_axis_tvalid,
m_axis_tdata => int_axis_tdata,
m_axis_tlast => int_axis_tlast,
m_axis_tready => int_axis_tready,
volume => volume
);
-- Instantiate volume_saturator (Second Stage)
-- Clips multiplication results to prevent overflow and distortion
-- Reduces bit width back to original audio format for output
volume_saturator_inst : volume_saturator
GENERIC MAP(
TDATA_WIDTH => TDATA_WIDTH, -- Final audio sample width
VOLUME_WIDTH => VOLUME_WIDTH, -- Volume control resolution
VOLUME_STEP_2 => VOLUME_STEP_2, -- Volume step size
HIGHER_BOUND => HIGHER_BOUND, -- Upper saturation limit
LOWER_BOUND => LOWER_BOUND -- Lower saturation limit
)
PORT MAP(
aclk => aclk,
aresetn => aresetn,
-- Connect to internal interface (wide data from multiplier)
s_axis_tvalid => int_axis_tvalid,
s_axis_tdata => int_axis_tdata,
s_axis_tlast => int_axis_tlast,
s_axis_tready => int_axis_tready,
-- Connect to external output interface
m_axis_tvalid => m_axis_tvalid,
m_axis_tdata => m_axis_tdata,
m_axis_tlast => m_axis_tlast,
m_axis_tready => m_axis_tready
);
-- Pipeline Operation:
-- 1. Audio samples enter volume_multiplier with original bit width
-- 2. Multiplier scales samples by volume factor, output has extended bit width
-- 3. Saturator clips results to prevent overflow, reduces to original bit width
-- 4. Final audio samples has adjusted volume and bit width, ready for downstream processing
END Behavioral;

189
LAB3/src/volume_multiplier.vhd
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@@ -1,33 +1,170 @@
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
entity volume_multiplier is
Generic (
TDATA_WIDTH : positive := 24;
VOLUME_WIDTH : positive := 10;
VOLUME_STEP_2 : positive := 6 -- i.e., volume_values_per_step = 2**VOLUME_STEP_2
);
Port (
aclk : in std_logic;
aresetn : in std_logic;
-- Entity: volume_multiplier
-- Purpose: First stage of volume control pipeline - multiplies audio samples by volume scaling factor
-- Uses bit-shifting multiplication for efficient hardware implementation
-- Implements exponential volume scaling for natural-feeling volume control
ENTITY volume_multiplier IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24; -- Width of input audio data (24-bit audio samples)
VOLUME_WIDTH : POSITIVE := 10; -- Width of volume control input (10-bit = 0-1023 range)
VOLUME_STEP_2 : POSITIVE := 6 -- Log2 of volume values per step (2^6 = 64 values per step)
);
PORT (
-- Clock and reset signals
aclk : IN STD_LOGIC; -- Main clock input
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
s_axis_tvalid : in std_logic;
s_axis_tdata : in std_logic_vector(TDATA_WIDTH-1 downto 0);
s_axis_tlast : in std_logic;
s_axis_tready : out std_logic;
-- AXI4-Stream Slave Interface (Audio Input)
s_axis_tvalid : IN STD_LOGIC; -- Input data valid signal
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Audio sample input
s_axis_tlast : IN STD_LOGIC; -- Channel indicator (0=left, 1=right)
s_axis_tready : OUT STD_LOGIC; -- Ready to accept input data
m_axis_tvalid : out std_logic;
m_axis_tdata : out std_logic_vector(TDATA_WIDTH-1 + 2**(VOLUME_WIDTH-VOLUME_STEP_2-1) downto 0);
m_axis_tlast : out std_logic;
m_axis_tready : in std_logic;
-- AXI4-Stream Master Interface (Audio Output with extended width)
m_axis_tvalid : OUT STD_LOGIC; -- Output data valid signal
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 + 2 ** (VOLUME_WIDTH - VOLUME_STEP_2 - 1) DOWNTO 0); -- Extended width output data
m_axis_tlast : OUT STD_LOGIC; -- Channel indicator passthrough
m_axis_tready : IN STD_LOGIC; -- Downstream ready signal
volume : in std_logic_vector(VOLUME_WIDTH-1 downto 0)
);
end volume_multiplier;
-- Volume control input
volume : IN STD_LOGIC_VECTOR(VOLUME_WIDTH - 1 DOWNTO 0) -- Volume level (0=minimum, 1023=maximum)
);
END volume_multiplier;
architecture Behavioral of volume_multiplier is
ARCHITECTURE Behavioral OF volume_multiplier IS
begin
-- Calculate volume control parameters based on generics
CONSTANT VOLUME_STEPS : INTEGER := (2 ** (VOLUME_WIDTH - 1)) / (2 ** VOLUME_STEP_2) + 1; -- Number of volume steps (9 steps for 10-bit)
CONSTANT VOL_MID : INTEGER := 2 ** (VOLUME_WIDTH - 1); -- Center volume position (512 for 10-bit)
CONSTANT DEAD_ZONE : INTEGER := (2 ** VOLUME_STEP_2) / 2; -- Dead zone around center (32 for step size 64)
end Behavioral;
-- Volume scaling factor as exponential multiplier
-- Positive values = amplification (left shift), negative values = attenuation (right shift)
SIGNAL volume_exp_mult : INTEGER RANGE -VOLUME_STEPS TO VOLUME_STEPS := 0;
-- Internal AXI4-Stream signals
SIGNAL m_axis_tvalid_int : STD_LOGIC; -- Internal valid signal for output
BEGIN
-- Connect internal signals to output ports
m_axis_tvalid <= m_axis_tvalid_int;
-- Input ready logic: Ready when downstream is ready OR no valid data pending, AND not in reset
-- This implements proper AXI4-Stream backpressure handling
s_axis_tready <= (m_axis_tready OR NOT m_axis_tvalid_int) AND aresetn;
-- Volume to exponent conversion process
-- Converts joystick y-axis position to bit-shift amount for exponential volume scaling
VOLUME_CALC : PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset: Set to unity gain (no scaling)
volume_exp_mult <= 0;
ELSE
-- Volume mapping and conversion to exponential scaling factor:
-- 1. Convert volume to signed value
-- 2. Center around middle position (VOL_MID)
-- 3. Apply dead zone offset for smooth center operation
-- 4. Divide by step size to get exponential scaling factor
--
-- Volume Range Mapping:
-- volume = 0-479: Negative exponent (attenuation, right shift)
-- volume = 480-543: Zero exponent (unity gain, dead zone)
-- volume = 544-1023: Positive exponent (amplification, left shift)
volume_exp_mult <= to_integer(
shift_right(
signed('0' & volume) - to_signed(VOL_MID - DEAD_ZONE, volume'length + 1),
VOLUME_STEP_2
)
);
END IF;
END IF;
END PROCESS VOLUME_CALC;
-- AXI4-Stream data processing
-- Applies exponential volume scaling using bit-shifting multiplication
AXIS : PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset output interface
m_axis_tvalid_int <= '0'; -- No valid output data
m_axis_tlast <= '0'; -- Clear channel indicator
ELSE
-- Output handshake management:
-- Clear valid flag when downstream accepts data
IF m_axis_tready = '1' THEN
m_axis_tvalid_int <= '0';
END IF;
-- Data processing: Apply volume scaling when both input and output are ready
IF s_axis_tvalid = '1' AND m_axis_tready = '1' THEN
-- Volume scaling using bit-shifting for exponential response:
--
-- Joystick mapping (from datasheet):
-- Y-axis: 0 = tilted all the way down (minimum volume)
-- 1023 = tilted all the way up (maximum volume)
--
-- Scaling method:
-- Positive exponent: Left shift = amplification (multiply by 2^n)
-- Negative exponent: Right shift = attenuation (divide by 2^n)
-- Zero exponent: No shift = unity gain (pass through)
IF volume_exp_mult >= 0 THEN
-- Amplification: Left shift for volume boost
-- Resize to extended width first to prevent overflow
m_axis_tdata <= STD_LOGIC_VECTOR(
shift_left(
resize(signed(s_axis_tdata), m_axis_tdata'LENGTH),
volume_exp_mult
)
);
ELSE
-- Attenuation: Right shift for volume reduction
-- Arithmetic right shift preserves sign for signed audio data
m_axis_tdata <= STD_LOGIC_VECTOR(
shift_right(
resize(signed(s_axis_tdata), m_axis_tdata'LENGTH),
- volume_exp_mult -- Convert negative to positive shift amount
)
);
END IF;
-- Set output control signals
m_axis_tvalid_int <= '1'; -- Mark output data as valid
m_axis_tlast <= s_axis_tlast; -- Pass through channel indicator
END IF;
END IF;
END IF;
END PROCESS AXIS;
-- Example scaling factors (VOLUME_STEP_2 = 6, 64 values per step):
-- volume_exp_mult = -3: Divide by 8 (>>3)
-- volume_exp_mult = -2: Divide by 4 (>>2)
-- volume_exp_mult = -1: Divide by 2 (>>1)
-- volume_exp_mult = 0: No change (unity)
-- volume_exp_mult = +1: Multiply by 2 (<<1)
-- volume_exp_mult = +2: Multiply by 4 (<<2)
-- volume_exp_mult = +3: Multiply by 8 (<<3)
END Behavioral;

131
LAB3/src/volume_saturator.vhd
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@@ -1,33 +1,110 @@
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
entity volume_saturator is
Generic (
TDATA_WIDTH : positive := 24;
VOLUME_WIDTH : positive := 10;
VOLUME_STEP_2 : positive := 6; -- i.e., number_of_steps = 2**(VOLUME_STEP_2)
HIGHER_BOUND : integer := 2**15-1; -- Inclusive
LOWER_BOUND : integer := -2**15 -- Inclusive
);
Port (
aclk : in std_logic;
aresetn : in std_logic;
-- Entity: volume_saturator
-- Purpose: Second stage of volume control pipeline - clips multiplication results to prevent overflow
-- Reduces bit width from extended multiplier output back to original audio format
-- Implements saturation (clipping) to prevent audio distortion from mathematical overflow
ENTITY volume_saturator IS
GENERIC (
TDATA_WIDTH : POSITIVE := 24; -- Width of final audio data output (24-bit audio samples)
VOLUME_WIDTH : POSITIVE := 10; -- Width of volume control input (10-bit = 0-1023 range)
VOLUME_STEP_2 : POSITIVE := 6; -- Log2 of volume values per step (2^6 = 64 values per step)
HIGHER_BOUND : INTEGER := 2 ** 15 - 1; -- Maximum positive value for saturation (inclusive)
LOWER_BOUND : INTEGER := - 2 ** 15 -- Maximum negative value for saturation (inclusive)
);
PORT (
-- Clock and reset signals
aclk : IN STD_LOGIC; -- Main clock input
aresetn : IN STD_LOGIC; -- Active-low asynchronous reset
s_axis_tvalid : in std_logic;
s_axis_tdata : in std_logic_vector(TDATA_WIDTH-1 + 2**(VOLUME_WIDTH-VOLUME_STEP_2-1) downto 0);
s_axis_tlast : in std_logic;
s_axis_tready : out std_logic;
-- AXI4-Stream Slave Interface (Extended width input from multiplier)
s_axis_tvalid : IN STD_LOGIC; -- Input data valid signal
s_axis_tdata : IN STD_LOGIC_VECTOR(TDATA_WIDTH - 1 + 2 ** (VOLUME_WIDTH - VOLUME_STEP_2 - 1) DOWNTO 0); -- Wide input data from multiplier
s_axis_tlast : IN STD_LOGIC; -- Channel indicator (0=left, 1=right)
s_axis_tready : OUT STD_LOGIC; -- Ready to accept input data
m_axis_tvalid : out std_logic;
m_axis_tdata : out std_logic_vector(TDATA_WIDTH-1 downto 0);
m_axis_tlast : out std_logic;
m_axis_tready : in std_logic
);
end volume_saturator;
-- AXI4-Stream Master Interface (Original width output for audio)
m_axis_tvalid : OUT STD_LOGIC; -- Output data valid signal
m_axis_tdata : OUT STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0); -- Saturated audio sample output
m_axis_tlast : OUT STD_LOGIC; -- Channel indicator passthrough
m_axis_tready : IN STD_LOGIC -- Downstream ready signal
);
END volume_saturator;
architecture Behavioral of volume_saturator is
ARCHITECTURE Behavioral OF volume_saturator IS
begin
-- Pre-calculated saturation bounds as STD_LOGIC_VECTORS for efficient comparison
-- These constants define the valid range for audio samples after volume processing
CONSTANT HIGHER_BOUND_VEC : STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0) := STD_LOGIC_VECTOR(to_signed(HIGHER_BOUND, TDATA_WIDTH));
CONSTANT LOWER_BOUND_VEC : STD_LOGIC_VECTOR(TDATA_WIDTH - 1 DOWNTO 0) := STD_LOGIC_VECTOR(to_signed(LOWER_BOUND, TDATA_WIDTH));
end Behavioral;
-- Internal AXI4-Stream control signal
SIGNAL m_axis_tvalid_int : STD_LOGIC;
BEGIN
-- Connect internal signals to output ports
m_axis_tvalid <= m_axis_tvalid_int;
-- Input ready logic: Ready when downstream is ready OR no valid data pending, AND not in reset
-- This implements proper AXI4-Stream backpressure handling
s_axis_tready <= (m_axis_tready OR NOT m_axis_tvalid_int) AND aresetn;
-- Main saturation and data processing logic
PROCESS (aclk)
BEGIN
IF rising_edge(aclk) THEN
IF aresetn = '0' THEN
-- Reset output interface
m_axis_tvalid_int <= '0'; -- No valid output data during reset
m_axis_tlast <= '0'; -- Clear channel indicator
ELSE
-- Normal operation
-- Output handshake management:
-- Clear valid flag when downstream accepts data
IF m_axis_tready = '1' THEN
m_axis_tvalid_int <= '0';
END IF;
-- Data processing: Apply saturation when both input and output are ready
IF s_axis_tvalid = '1' AND m_axis_tready = '1' THEN
-- Saturation Logic:
-- Check if the wide input data exceeds the valid audio range
-- If so, clip (saturate) to the nearest valid value
-- This prevents overflow distortion while preserving audio quality
IF signed(s_axis_tdata) > signed(HIGHER_BOUND_VEC) THEN
-- Positive overflow: Clip to maximum positive value
m_axis_tdata <= HIGHER_BOUND_VEC;
ELSIF signed(s_axis_tdata) < signed(LOWER_BOUND_VEC) THEN
-- Negative overflow: Clip to maximum negative value
m_axis_tdata <= LOWER_BOUND_VEC;
ELSE
-- Value within valid range: Resize to output width without clipping
-- This preserves the original audio quality when no overflow occurs
m_axis_tdata <= STD_LOGIC_VECTOR(resize(signed(s_axis_tdata), TDATA_WIDTH));
END IF;
-- Set output control signals
m_axis_tvalid_int <= '1'; -- Mark output data as valid
m_axis_tlast <= s_axis_tlast; -- Pass through channel indicator
END IF;
END IF;
END IF;
END PROCESS;
END Behavioral;

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LAB3/test/uart_viewer.py Normal file
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import serial
import serial.tools.list_ports
import time
import queue
import threading
import matplotlib.pyplot as plt
import matplotlib.animation as animation
import io
from PIL import Image
import numpy as np
# CONFIGURAZIONE
BASYS3_PID = 0x6010
BASYS3_VID = 0x0403
BAUDRATE = 115200 # Imposta la tua velocità
CHUNK_SIZE = 4 # 4 byte per riga
# Ricerca automatica della porta Basys3
dev = ""
for port in serial.tools.list_ports.comports():
if (port.vid == BASYS3_VID and port.pid == BASYS3_PID):
dev = port.device
if not dev:
raise RuntimeError("Basys 3 Not Found!")
PORT = dev
def receive_mode(ser):
print("Modalità ricezione. Premi Ctrl+C per uscire.\n")
while True:
if ser.in_waiting >= CHUNK_SIZE:
data = ser.read(CHUNK_SIZE)
hex_bytes = ' '.join(f"{b:02X}" for b in data)
print(f"HH | {hex_bytes}")
def receive_graph_mode(ser):
print("Modalità ricezione e visualizzazione coordinate in tempo reale. Premi Ctrl+C per uscire.\n")
q = queue.Queue()
def serial_reader():
while True:
if ser.in_waiting >= CHUNK_SIZE:
data = ser.read(CHUNK_SIZE)
if len(data) >= 4:
x = data[1]
y = data[2]
flags = data[3]
q.put((x, y, flags))
reader_thread = threading.Thread(target=serial_reader, daemon=True)
reader_thread.start()
point = [64, 64] # Punto iniziale al centro del grafico
color = 'blue'
size = 100
release = True
rgb = [0, 0, 0]
fig, ax = plt.subplots()
# Load PNG directly
png_path = r'LAB3\test\Color_circle_(RGB).png'
img = Image.open(png_path).convert('RGB')
img = img.resize((127, 127), Image.Resampling.LANCZOS) # Ensure image is 127x127
img_np = np.array(img)
# Show the image as background
ax.imshow(img, extent=(0, 127, 0, 127), aspect='auto', zorder=0)
sc = ax.scatter([point[0]], [point[1]], s=[size], zorder=1)
ax.set_xlim(0, 127)
ax.set_ylim(0, 127)
ax.set_xlabel("X")
ax.set_ylabel("Y")
ax.set_title("Coordinate in tempo reale")
def send_rgb_over_serial(ser, rgb):
"""
Send RGB values over serial with a fixed first byte (0xC0).
"""
bytes_to_send = [0xC0] # Primo byte fisso
for part in rgb:
val = int(part)
bytes_to_send.append(val)
ser.write(bytearray(bytes_to_send))
print(f"Inviato: {' '.join(f'{b:02X}' for b in bytes_to_send)}")
def update(frame):
nonlocal point, color, size, release, rgb
while not q.empty():
x, y, flags = q.get()
point[0] = x
point[1] = y
if flags & 0b00000001:
rgb = [0, 0, 0]
size = 50
if release:
send_rgb_over_serial(ser, rgb)
release = False
elif flags & 0b00000010:
flipped_y = 127 - y # Flip y to match image coordinates
rgb = img_np[flipped_y, x]
size = 300
if release:
send_rgb_over_serial(ser, rgb)
release = False
else:
size = 100
release = True # Reset release when no button is pressed
sc.set_offsets([point])
sc.set_sizes([size])
return sc,
ani = animation.FuncAnimation(fig, update, interval=10, blit=True, cache_frame_data=False)
plt.show()
def send_mode(ser):
print("Modalità invio. Inserisci 3 byte in esadecimale (il primo sarà sempre 'C0').")
print("Formato: XX XX XX (dove XX è tra 00 e FF). Premi Ctrl+C per uscire.\n")
while True:
try:
user_input = input("Inserisci 3 byte (es: 12 34 AB): ").strip()
parts = user_input.split()
if len(parts) != 3:
print("Devi inserire esattamente 3 byte.")
continue
try:
bytes_to_send = [0xC0] # Primo byte fisso
for part in parts:
val = int(part, 16)
if not (0x00 <= val <= 0xFF):
raise ValueError
bytes_to_send.append(val)
ser.write(bytearray(bytes_to_send))
print(f"Inviato: {' '.join(f'{b:02X}' for b in bytes_to_send)}")
except ValueError:
print("Valori non validi. Usa solo byte esadecimali tra 00 e FF.")
except KeyboardInterrupt:
print("\nChiusura modalità invio...")
break
ser = None
try:
mode = ""
while mode not in ["r", "s", "g"]:
mode = input("Vuoi ricevere (r), inviare (s), o ricevere con grafico (g)? [r/s/g]: ").strip().lower()
ser = serial.Serial(PORT, BAUDRATE, timeout=1)
print(f"Aperta porta seriale: {PORT} a {BAUDRATE} baud.\n")
if mode == "r":
receive_mode(ser)
elif mode == "s":
send_mode(ser)
elif mode == "g":
receive_graph_mode(ser)
else:
print("Selezione non valida. Uscita...")
ser.close()
exit(1)
except KeyboardInterrupt:
print("\nChiusura programma...")
except serial.SerialException as e:
print(f"Errore nella connessione seriale: {e}")
finally:
if ser is not None and ser.is_open:
ser.close()

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LAB3/vivado/LFO/LFO.xpr Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!-- Product Version: Vivado v2020.2 (64-bit) -->
<!-- -->
<!-- Copyright 1986-2020 Xilinx, Inc. All Rights Reserved. -->
<Project Version="7" Minor="54" Path="C:/DESD/LAB3/vivado/LFO/LFO.xpr">
<DefaultLaunch Dir="$PRUNDIR"/>
<Configuration>
<Option Name="Id" Val="33adcfb9859e4aafa355a8ac0ff224f9"/>
<Option Name="Part" Val="xc7a35tcpg236-1"/>
<Option Name="CompiledLibDir" Val="$PCACHEDIR/compile_simlib"/>
<Option Name="CompiledLibDirXSim" Val=""/>
<Option Name="CompiledLibDirModelSim" Val="$PCACHEDIR/compile_simlib/modelsim"/>
<Option Name="CompiledLibDirQuesta" Val="$PCACHEDIR/compile_simlib/questa"/>
<Option Name="CompiledLibDirIES" Val="$PCACHEDIR/compile_simlib/ies"/>
<Option Name="CompiledLibDirXcelium" Val="$PCACHEDIR/compile_simlib/xcelium"/>
<Option Name="CompiledLibDirVCS" Val="$PCACHEDIR/compile_simlib/vcs"/>
<Option Name="CompiledLibDirRiviera" Val="$PCACHEDIR/compile_simlib/riviera"/>
<Option Name="CompiledLibDirActivehdl" Val="$PCACHEDIR/compile_simlib/activehdl"/>
<Option Name="SimulatorInstallDirModelSim" Val=""/>
<Option Name="SimulatorInstallDirQuesta" Val=""/>
<Option Name="SimulatorInstallDirIES" Val=""/>
<Option Name="SimulatorInstallDirXcelium" Val=""/>
<Option Name="SimulatorInstallDirVCS" Val=""/>
<Option Name="SimulatorInstallDirRiviera" Val=""/>
<Option Name="SimulatorInstallDirActiveHdl" Val=""/>
<Option Name="SimulatorGccInstallDirModelSim" Val=""/>
<Option Name="SimulatorGccInstallDirQuesta" Val=""/>
<Option Name="SimulatorGccInstallDirIES" Val=""/>
<Option Name="SimulatorGccInstallDirXcelium" Val=""/>
<Option Name="SimulatorGccInstallDirVCS" Val=""/>
<Option Name="SimulatorGccInstallDirRiviera" Val=""/>
<Option Name="SimulatorGccInstallDirActiveHdl" Val=""/>
<Option Name="TargetLanguage" Val="VHDL"/>
<Option Name="BoardPart" Val="digilentinc.com:basys3:part0:1.1"/>
<Option Name="BoardPartRepoPaths" Val="$PPRDIR/../../../../Users/david/AppData/Roaming/Xilinx/Vivado/2020.2/xhub/board_store/xilinx_board_store"/>
<Option Name="ActiveSimSet" Val="sim_1"/>
<Option Name="DefaultLib" Val="xil_defaultlib"/>
<Option Name="ProjectType" Val="Default"/>
<Option Name="IPOutputRepo" Val="$PCACHEDIR/ip"/>
<Option Name="IPDefaultOutputPath" Val="$PGENDIR/sources_1"/>
<Option Name="IPCachePermission" Val="read"/>
<Option Name="IPCachePermission" Val="write"/>
<Option Name="EnableCoreContainer" Val="FALSE"/>
<Option Name="CreateRefXciForCoreContainers" Val="FALSE"/>
<Option Name="IPUserFilesDir" Val="$PIPUSERFILESDIR"/>
<Option Name="IPStaticSourceDir" Val="$PIPUSERFILESDIR/ipstatic"/>
<Option Name="EnableBDX" Val="FALSE"/>
<Option Name="DSABoardId" Val="basys3"/>
<Option Name="WTXSimLaunchSim" Val="85"/>
<Option Name="WTModelSimLaunchSim" Val="0"/>
<Option Name="WTQuestaLaunchSim" Val="0"/>
<Option Name="WTIesLaunchSim" Val="0"/>
<Option Name="WTVcsLaunchSim" Val="0"/>
<Option Name="WTRivieraLaunchSim" Val="0"/>
<Option Name="WTActivehdlLaunchSim" Val="0"/>
<Option Name="WTXSimExportSim" Val="0"/>
<Option Name="WTModelSimExportSim" Val="0"/>
<Option Name="WTQuestaExportSim" Val="0"/>
<Option Name="WTIesExportSim" Val="0"/>
<Option Name="WTVcsExportSim" Val="0"/>
<Option Name="WTRivieraExportSim" Val="0"/>
<Option Name="WTActivehdlExportSim" Val="0"/>
<Option Name="GenerateIPUpgradeLog" Val="TRUE"/>
<Option Name="XSimRadix" Val="hex"/>
<Option Name="XSimTimeUnit" Val="ns"/>
<Option Name="XSimArrayDisplayLimit" Val="1024"/>
<Option Name="XSimTraceLimit" Val="65536"/>
<Option Name="SimTypes" Val="rtl"/>
<Option Name="SimTypes" Val="bfm"/>
<Option Name="SimTypes" Val="tlm"/>
<Option Name="SimTypes" Val="tlm_dpi"/>
<Option Name="MEMEnableMemoryMapGeneration" Val="TRUE"/>
<Option Name="DcpsUptoDate" Val="TRUE"/>
</Configuration>
<FileSets Version="1" Minor="31">
<FileSet Name="sources_1" Type="DesignSrcs" RelSrcDir="$PSRCDIR/sources_1" RelGenDir="$PGENDIR/sources_1">
<Filter Type="Srcs"/>
<File Path="$PPRDIR/../../src/LFO.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<Config>
<Option Name="DesignMode" Val="RTL"/>
<Option Name="TopModule" Val="LFO"/>
<Option Name="TopAutoSet" Val="TRUE"/>
</Config>
</FileSet>
<FileSet Name="constrs_1" Type="Constrs" RelSrcDir="$PSRCDIR/constrs_1" RelGenDir="$PGENDIR/constrs_1">
<Filter Type="Constrs"/>
<Config>
<Option Name="ConstrsType" Val="XDC"/>
</Config>
</FileSet>
<FileSet Name="sim_1" Type="SimulationSrcs" RelSrcDir="$PSRCDIR/sim_1" RelGenDir="$PGENDIR/sim_1">
<Filter Type="Srcs"/>
<File Path="$PPRDIR/../../sim/tb_LFO.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/tb_LFO_behav.wcfg">
<FileInfo>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<Config>
<Option Name="DesignMode" Val="RTL"/>
<Option Name="TopModule" Val="tb_LFO"/>
<Option Name="TopLib" Val="xil_defaultlib"/>
<Option Name="TopAutoSet" Val="TRUE"/>
<Option Name="TransportPathDelay" Val="0"/>
<Option Name="TransportIntDelay" Val="0"/>
<Option Name="SelectedSimModel" Val="rtl"/>
<Option Name="PamDesignTestbench" Val=""/>
<Option Name="PamDutBypassFile" Val="xil_dut_bypass"/>
<Option Name="PamSignalDriverFile" Val="xil_bypass_driver"/>
<Option Name="PamPseudoTop" Val="pseudo_tb"/>
<Option Name="SrcSet" Val="sources_1"/>
<Option Name="XSimWcfgFile" Val="$PPRDIR/tb_LFO_behav.wcfg"/>
</Config>
</FileSet>
<FileSet Name="utils_1" Type="Utils" RelSrcDir="$PSRCDIR/utils_1" RelGenDir="$PGENDIR/utils_1">
<Filter Type="Utils"/>
<Config>
<Option Name="TopAutoSet" Val="TRUE"/>
</Config>
</FileSet>
</FileSets>
<Simulators>
<Simulator Name="XSim">
<Option Name="Description" Val="Vivado Simulator"/>
<Option Name="CompiledLib" Val="0"/>
</Simulator>
<Simulator Name="ModelSim">
<Option Name="Description" Val="ModelSim Simulator"/>
</Simulator>
<Simulator Name="Questa">
<Option Name="Description" Val="Questa Advanced Simulator"/>
</Simulator>
<Simulator Name="Riviera">
<Option Name="Description" Val="Riviera-PRO Simulator"/>
</Simulator>
<Simulator Name="ActiveHDL">
<Option Name="Description" Val="Active-HDL Simulator"/>
</Simulator>
</Simulators>
<Runs Version="1" Minor="15">
<Run Id="synth_1" Type="Ft3:Synth" SrcSet="sources_1" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" IncludeInArchive="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/synth_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Synthesis Defaults" Flow="Vivado Synthesis 2020"/>
<Step Id="synth_design"/>
</Strategy>
<ReportStrategy Name="Vivado Synthesis Default Reports" Flow="Vivado Synthesis 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
<Run Id="impl_1" Type="Ft2:EntireDesign" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Default settings for Implementation." AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" SynthRun="synth_1" IncludeInArchive="true" GenFullBitstream="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/impl_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020"/>
<Step Id="init_design"/>
<Step Id="opt_design"/>
<Step Id="power_opt_design"/>
<Step Id="place_design"/>
<Step Id="post_place_power_opt_design"/>
<Step Id="phys_opt_design"/>
<Step Id="route_design"/>
<Step Id="post_route_phys_opt_design"/>
<Step Id="write_bitstream"/>
</Strategy>
<ReportStrategy Name="Vivado Implementation Default Reports" Flow="Vivado Implementation 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
</Runs>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="Vivado 12-1790"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="1"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="Evaluation"/>
<MsgAttr Name="StringsToMatch" Val="features"/>
<MsgAttr Name="StringsToMatch" Val="should"/>
<MsgAttr Name="StringsToMatch" Val="NOT"/>
<MsgAttr Name="StringsToMatch" Val="be"/>
<MsgAttr Name="StringsToMatch" Val="used"/>
<MsgAttr Name="StringsToMatch" Val="in"/>
<MsgAttr Name="StringsToMatch" Val="production"/>
<MsgAttr Name="StringsToMatch" Val="systems."/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="INFO"/>
<MsgAttr Name="Id" Val="Designutils 20-3303"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="10"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="HDPYFinalizeIO"/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="Place 30-73"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="11"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="axi_spi"/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val=""/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="12"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="PCW_UIPARAM_DDR_DQS_TO_CLK_DELAY"/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="BD 41-1343"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="2"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="BD 41-1306"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="3"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
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</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="ERROR"/>
<MsgAttr Name="Id" Val="BD 41-1276"/>
<MsgAttr Name="Severity" Val="CRITICAL WARNING"/>
<MsgAttr Name="ShowRule" Val="1"/>
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<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="4"/>
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<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="INFO"/>
<MsgAttr Name="Id" Val="IP_Flow 19-3656"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
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<MsgAttr Name="StringIsRegExp" Val="0"/>
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</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
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<MsgAttr Name="NewSeverity" Val="INFO"/>
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<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
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<MsgAttr Name="RuleId" Val="6"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="INFO"/>
<MsgAttr Name="Id" Val="IP_Flow 19-459"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
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<MsgAttr Name="RuleId" Val="7"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="INFO"/>
<MsgAttr Name="Id" Val="Synth 8-3331"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="8"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="Synth 8-2490"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="9"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
</MsgRule>
<Board>
<Jumpers/>
</Board>
<DashboardSummary Version="1" Minor="0">
<Dashboards>
<Dashboard Name="default_dashboard">
<Gadgets>
<Gadget Name="drc_1" Type="drc" Version="1" Row="2" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_drc_0 "/>
</Gadget>
<Gadget Name="methodology_1" Type="methodology" Version="1" Row="2" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_methodology_0 "/>
</Gadget>
<Gadget Name="power_1" Type="power" Version="1" Row="1" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_power_0 "/>
</Gadget>
<Gadget Name="timing_1" Type="timing" Version="1" Row="0" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_timing_summary_0 "/>
</Gadget>
<Gadget Name="utilization_1" Type="utilization" Version="1" Row="0" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="synth_1#synth_1_synth_report_utilization_0 "/>
<GadgetParam Name="RUN.STEP" Type="string" Value="synth_design"/>
<GadgetParam Name="RUN.TYPE" Type="string" Value="synthesis"/>
</Gadget>
<Gadget Name="utilization_2" Type="utilization" Version="1" Row="1" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_place_report_utilization_0 "/>
</Gadget>
</Gadgets>
</Dashboard>
<CurrentDashboard>default_dashboard</CurrentDashboard>
</Dashboards>
</DashboardSummary>
</Project>

104
LAB3/vivado/LFO/tb_LFO_behav.wcfg Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<wave_config>
<wave_state>
</wave_state>
<db_ref_list>
<db_ref path="tb_LFO_behav.wdb" id="1">
<top_modules>
<top_module name="tb_LFO" />
</top_modules>
</db_ref>
</db_ref_list>
<zoom_setting>
<ZoomStartTime time="470972325000fs"></ZoomStartTime>
<ZoomEndTime time="483982325001fs"></ZoomEndTime>
<Cursor1Time time="475052325000fs"></Cursor1Time>
</zoom_setting>
<column_width_setting>
<NameColumnWidth column_width="147"></NameColumnWidth>
<ValueColumnWidth column_width="88"></ValueColumnWidth>
</column_width_setting>
<WVObjectSize size="17" />
<wvobject fp_name="/tb_LFO/aclk" type="logic">
<obj_property name="ElementShortName">aclk</obj_property>
<obj_property name="ObjectShortName">aclk</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/aresetn" type="logic">
<obj_property name="ElementShortName">aresetn</obj_property>
<obj_property name="ObjectShortName">aresetn</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/dut/step_counter" type="other">
<obj_property name="ElementShortName">step_counter</obj_property>
<obj_property name="ObjectShortName">step_counter</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/dut/step_clk_cycles" type="other">
<obj_property name="ElementShortName">step_clk_cycles</obj_property>
<obj_property name="ObjectShortName">step_clk_cycles</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/dut/tri_counter" type="array">
<obj_property name="ElementShortName">tri_counter[10:0]</obj_property>
<obj_property name="ObjectShortName">tri_counter[10:0]</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/lfo_period" type="array">
<obj_property name="ElementShortName">lfo_period[9:0]</obj_property>
<obj_property name="ObjectShortName">lfo_period[9:0]</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/lfo_enable" type="logic">
<obj_property name="ElementShortName">lfo_enable</obj_property>
<obj_property name="ObjectShortName">lfo_enable</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider36">
<obj_property name="label">s_axis</obj_property>
<obj_property name="DisplayName">label</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/s_axis_tdata" type="array">
<obj_property name="ElementShortName">s_axis_tdata[23:0]</obj_property>
<obj_property name="ObjectShortName">s_axis_tdata[23:0]</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/s_axis_tlast" type="logic">
<obj_property name="ElementShortName">s_axis_tlast</obj_property>
<obj_property name="ObjectShortName">s_axis_tlast</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/s_axis_tvalid" type="logic">
<obj_property name="ElementShortName">s_axis_tvalid</obj_property>
<obj_property name="ObjectShortName">s_axis_tvalid</obj_property>
<obj_property name="CustomSignalColor">#00FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/s_axis_tready" type="logic">
<obj_property name="ElementShortName">s_axis_tready</obj_property>
<obj_property name="ObjectShortName">s_axis_tready</obj_property>
<obj_property name="CustomSignalColor">#FFD700</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider35">
<obj_property name="label">m_axis</obj_property>
<obj_property name="DisplayName">label</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/m_axis_tdata" type="array">
<obj_property name="ElementShortName">m_axis_tdata[23:0]</obj_property>
<obj_property name="ObjectShortName">m_axis_tdata[23:0]</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/m_axis_tlast" type="logic">
<obj_property name="ElementShortName">m_axis_tlast</obj_property>
<obj_property name="ObjectShortName">m_axis_tlast</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/m_axis_tvalid" type="logic">
<obj_property name="ElementShortName">m_axis_tvalid</obj_property>
<obj_property name="ObjectShortName">m_axis_tvalid</obj_property>
<obj_property name="CustomSignalColor">#00FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_LFO/m_axis_tready" type="logic">
<obj_property name="ElementShortName">m_axis_tready</obj_property>
<obj_property name="ObjectShortName">m_axis_tready</obj_property>
<obj_property name="CustomSignalColor">#FFD700</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
</wave_config>

214
LAB3/vivado/balance_controller/balance_controller.xpr Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!-- Product Version: Vivado v2020.2 (64-bit) -->
<!-- -->
<!-- Copyright 1986-2020 Xilinx, Inc. All Rights Reserved. -->
<Project Version="7" Minor="54" Path="C:/DESD/LAB3/vivado/balance_controller/balance_controller.xpr">
<DefaultLaunch Dir="$PRUNDIR"/>
<Configuration>
<Option Name="Id" Val="9307f0faa63246faab8b6e3351afc999"/>
<Option Name="Part" Val="xc7a35tcpg236-1"/>
<Option Name="CompiledLibDir" Val="$PCACHEDIR/compile_simlib"/>
<Option Name="CompiledLibDirXSim" Val=""/>
<Option Name="CompiledLibDirModelSim" Val="$PCACHEDIR/compile_simlib/modelsim"/>
<Option Name="CompiledLibDirQuesta" Val="$PCACHEDIR/compile_simlib/questa"/>
<Option Name="CompiledLibDirIES" Val="$PCACHEDIR/compile_simlib/ies"/>
<Option Name="CompiledLibDirXcelium" Val="$PCACHEDIR/compile_simlib/xcelium"/>
<Option Name="CompiledLibDirVCS" Val="$PCACHEDIR/compile_simlib/vcs"/>
<Option Name="CompiledLibDirRiviera" Val="$PCACHEDIR/compile_simlib/riviera"/>
<Option Name="CompiledLibDirActivehdl" Val="$PCACHEDIR/compile_simlib/activehdl"/>
<Option Name="SimulatorInstallDirModelSim" Val=""/>
<Option Name="SimulatorInstallDirQuesta" Val=""/>
<Option Name="SimulatorInstallDirIES" Val=""/>
<Option Name="SimulatorInstallDirXcelium" Val=""/>
<Option Name="SimulatorInstallDirVCS" Val=""/>
<Option Name="SimulatorInstallDirRiviera" Val=""/>
<Option Name="SimulatorInstallDirActiveHdl" Val=""/>
<Option Name="SimulatorGccInstallDirModelSim" Val=""/>
<Option Name="SimulatorGccInstallDirQuesta" Val=""/>
<Option Name="SimulatorGccInstallDirIES" Val=""/>
<Option Name="SimulatorGccInstallDirXcelium" Val=""/>
<Option Name="SimulatorGccInstallDirVCS" Val=""/>
<Option Name="SimulatorGccInstallDirRiviera" Val=""/>
<Option Name="SimulatorGccInstallDirActiveHdl" Val=""/>
<Option Name="TargetLanguage" Val="VHDL"/>
<Option Name="BoardPart" Val="digilentinc.com:basys3:part0:1.1"/>
<Option Name="BoardPartRepoPaths" Val="$PPRDIR/../../../../Users/david/AppData/Roaming/Xilinx/Vivado/2020.2/xhub/board_store/xilinx_board_store"/>
<Option Name="ActiveSimSet" Val="sim_1"/>
<Option Name="DefaultLib" Val="xil_defaultlib"/>
<Option Name="ProjectType" Val="Default"/>
<Option Name="IPOutputRepo" Val="$PCACHEDIR/ip"/>
<Option Name="IPDefaultOutputPath" Val="$PGENDIR/sources_1"/>
<Option Name="IPCachePermission" Val="read"/>
<Option Name="IPCachePermission" Val="write"/>
<Option Name="EnableCoreContainer" Val="FALSE"/>
<Option Name="CreateRefXciForCoreContainers" Val="FALSE"/>
<Option Name="IPUserFilesDir" Val="$PIPUSERFILESDIR"/>
<Option Name="IPStaticSourceDir" Val="$PIPUSERFILESDIR/ipstatic"/>
<Option Name="EnableBDX" Val="FALSE"/>
<Option Name="DSABoardId" Val="basys3"/>
<Option Name="WTXSimLaunchSim" Val="16"/>
<Option Name="WTModelSimLaunchSim" Val="0"/>
<Option Name="WTQuestaLaunchSim" Val="0"/>
<Option Name="WTIesLaunchSim" Val="0"/>
<Option Name="WTVcsLaunchSim" Val="0"/>
<Option Name="WTRivieraLaunchSim" Val="0"/>
<Option Name="WTActivehdlLaunchSim" Val="0"/>
<Option Name="WTXSimExportSim" Val="0"/>
<Option Name="WTModelSimExportSim" Val="0"/>
<Option Name="WTQuestaExportSim" Val="0"/>
<Option Name="WTIesExportSim" Val="0"/>
<Option Name="WTVcsExportSim" Val="0"/>
<Option Name="WTRivieraExportSim" Val="0"/>
<Option Name="WTActivehdlExportSim" Val="0"/>
<Option Name="GenerateIPUpgradeLog" Val="TRUE"/>
<Option Name="XSimRadix" Val="hex"/>
<Option Name="XSimTimeUnit" Val="ns"/>
<Option Name="XSimArrayDisplayLimit" Val="1024"/>
<Option Name="XSimTraceLimit" Val="65536"/>
<Option Name="SimTypes" Val="rtl"/>
<Option Name="SimTypes" Val="bfm"/>
<Option Name="SimTypes" Val="tlm"/>
<Option Name="SimTypes" Val="tlm_dpi"/>
<Option Name="MEMEnableMemoryMapGeneration" Val="TRUE"/>
<Option Name="DcpsUptoDate" Val="TRUE"/>
</Configuration>
<FileSets Version="1" Minor="31">
<FileSet Name="sources_1" Type="DesignSrcs" RelSrcDir="$PSRCDIR/sources_1" RelGenDir="$PGENDIR/sources_1">
<Filter Type="Srcs"/>
<File Path="$PPRDIR/../../src/balance_controller.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<Config>
<Option Name="DesignMode" Val="RTL"/>
<Option Name="TopModule" Val="balance_controller"/>
<Option Name="TopAutoSet" Val="TRUE"/>
</Config>
</FileSet>
<FileSet Name="constrs_1" Type="Constrs" RelSrcDir="$PSRCDIR/constrs_1" RelGenDir="$PGENDIR/constrs_1">
<Filter Type="Constrs"/>
<Config>
<Option Name="ConstrsType" Val="XDC"/>
</Config>
</FileSet>
<FileSet Name="sim_1" Type="SimulationSrcs" RelSrcDir="$PSRCDIR/sim_1" RelGenDir="$PGENDIR/sim_1">
<File Path="$PPRDIR/../../sim/tb_balance_controller.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/tb_balance_controller_behav.wcfg">
<FileInfo>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<Config>
<Option Name="DesignMode" Val="RTL"/>
<Option Name="TopModule" Val="tb_balance_controller"/>
<Option Name="TopLib" Val="xil_defaultlib"/>
<Option Name="TopAutoSet" Val="TRUE"/>
<Option Name="TransportPathDelay" Val="0"/>
<Option Name="TransportIntDelay" Val="0"/>
<Option Name="SelectedSimModel" Val="rtl"/>
<Option Name="PamDesignTestbench" Val=""/>
<Option Name="PamDutBypassFile" Val="xil_dut_bypass"/>
<Option Name="PamSignalDriverFile" Val="xil_bypass_driver"/>
<Option Name="PamPseudoTop" Val="pseudo_tb"/>
<Option Name="SrcSet" Val="sources_1"/>
<Option Name="XSimWcfgFile" Val="$PPRDIR/tb_balance_controller_behav.wcfg"/>
</Config>
</FileSet>
<FileSet Name="utils_1" Type="Utils" RelSrcDir="$PSRCDIR/utils_1" RelGenDir="$PGENDIR/utils_1">
<Filter Type="Utils"/>
<Config>
<Option Name="TopAutoSet" Val="TRUE"/>
</Config>
</FileSet>
</FileSets>
<Simulators>
<Simulator Name="XSim">
<Option Name="Description" Val="Vivado Simulator"/>
<Option Name="CompiledLib" Val="0"/>
</Simulator>
<Simulator Name="ModelSim">
<Option Name="Description" Val="ModelSim Simulator"/>
</Simulator>
<Simulator Name="Questa">
<Option Name="Description" Val="Questa Advanced Simulator"/>
</Simulator>
<Simulator Name="Riviera">
<Option Name="Description" Val="Riviera-PRO Simulator"/>
</Simulator>
<Simulator Name="ActiveHDL">
<Option Name="Description" Val="Active-HDL Simulator"/>
</Simulator>
</Simulators>
<Runs Version="1" Minor="15">
<Run Id="synth_1" Type="Ft3:Synth" SrcSet="sources_1" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" IncludeInArchive="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/synth_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Synthesis Defaults" Flow="Vivado Synthesis 2020">
<Desc>Vivado Synthesis Defaults</Desc>
</StratHandle>
<Step Id="synth_design"/>
</Strategy>
<ReportStrategy Name="Vivado Synthesis Default Reports" Flow="Vivado Synthesis 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
<Run Id="impl_1" Type="Ft2:EntireDesign" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Default settings for Implementation." AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" SynthRun="synth_1" IncludeInArchive="true" GenFullBitstream="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/impl_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020">
<Desc>Default settings for Implementation.</Desc>
</StratHandle>
<Step Id="init_design"/>
<Step Id="opt_design"/>
<Step Id="power_opt_design"/>
<Step Id="place_design"/>
<Step Id="post_place_power_opt_design"/>
<Step Id="phys_opt_design"/>
<Step Id="route_design"/>
<Step Id="post_route_phys_opt_design"/>
<Step Id="write_bitstream"/>
</Strategy>
<ReportStrategy Name="Vivado Implementation Default Reports" Flow="Vivado Implementation 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
</Runs>
<Board>
<Jumpers/>
</Board>
<DashboardSummary Version="1" Minor="0">
<Dashboards>
<Dashboard Name="default_dashboard">
<Gadgets>
<Gadget Name="drc_1" Type="drc" Version="1" Row="2" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_drc_0 "/>
</Gadget>
<Gadget Name="methodology_1" Type="methodology" Version="1" Row="2" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_methodology_0 "/>
</Gadget>
<Gadget Name="power_1" Type="power" Version="1" Row="1" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_power_0 "/>
</Gadget>
<Gadget Name="timing_1" Type="timing" Version="1" Row="0" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_timing_summary_0 "/>
</Gadget>
<Gadget Name="utilization_1" Type="utilization" Version="1" Row="0" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="synth_1#synth_1_synth_report_utilization_0 "/>
<GadgetParam Name="RUN.STEP" Type="string" Value="synth_design"/>
<GadgetParam Name="RUN.TYPE" Type="string" Value="synthesis"/>
</Gadget>
<Gadget Name="utilization_2" Type="utilization" Version="1" Row="1" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_place_report_utilization_0 "/>
</Gadget>
</Gadgets>
</Dashboard>
<CurrentDashboard>default_dashboard</CurrentDashboard>
</Dashboards>
</DashboardSummary>
</Project>

97
LAB3/vivado/balance_controller/tb_balance_controller_behav.wcfg Normal file
View File

@@ -0,0 +1,97 @@
<?xml version="1.0" encoding="UTF-8"?>
<wave_config>
<wave_state>
</wave_state>
<db_ref_list>
<db_ref path="tb_balance_controller_behav.wdb" id="1">
<top_modules>
<top_module name="tb_balance_controller" />
</top_modules>
</db_ref>
</db_ref_list>
<zoom_setting>
<ZoomStartTime time="0fs"></ZoomStartTime>
<ZoomEndTime time="258201fs"></ZoomEndTime>
<Cursor1Time time="0fs"></Cursor1Time>
</zoom_setting>
<column_width_setting>
<NameColumnWidth column_width="147"></NameColumnWidth>
<ValueColumnWidth column_width="98"></ValueColumnWidth>
</column_width_setting>
<WVObjectSize size="16" />
<wvobject fp_name="/tb_balance_controller/aclk" type="logic">
<obj_property name="ElementShortName">aclk</obj_property>
<obj_property name="ObjectShortName">aclk</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/aresetn" type="logic">
<obj_property name="ElementShortName">aresetn</obj_property>
<obj_property name="ObjectShortName">aresetn</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider22">
<obj_property name="label">Balance</obj_property>
<obj_property name="DisplayName">label</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/balance" type="array">
<obj_property name="ElementShortName">balance[9:0]</obj_property>
<obj_property name="ObjectShortName">balance[9:0]</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/uut/left_channel" type="other">
<obj_property name="ElementShortName">left_channel</obj_property>
<obj_property name="ObjectShortName">left_channel</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/uut/right_channel" type="other">
<obj_property name="ElementShortName">right_channel</obj_property>
<obj_property name="ObjectShortName">right_channel</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider20">
<obj_property name="label">s_axis</obj_property>
<obj_property name="DisplayName">label</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/s_axis_tdata" type="array">
<obj_property name="ElementShortName">s_axis_tdata[23:0]</obj_property>
<obj_property name="ObjectShortName">s_axis_tdata[23:0]</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/s_axis_tlast" type="logic">
<obj_property name="ElementShortName">s_axis_tlast</obj_property>
<obj_property name="ObjectShortName">s_axis_tlast</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/s_axis_tvalid" type="logic">
<obj_property name="ElementShortName">s_axis_tvalid</obj_property>
<obj_property name="ObjectShortName">s_axis_tvalid</obj_property>
<obj_property name="CustomSignalColor">#00FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/s_axis_tready" type="logic">
<obj_property name="ElementShortName">s_axis_tready</obj_property>
<obj_property name="ObjectShortName">s_axis_tready</obj_property>
<obj_property name="CustomSignalColor">#FFD700</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider21">
<obj_property name="label">m_axis</obj_property>
<obj_property name="DisplayName">label</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/m_axis_tdata" type="array">
<obj_property name="ElementShortName">m_axis_tdata[23:0]</obj_property>
<obj_property name="ObjectShortName">m_axis_tdata[23:0]</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/m_axis_tlast" type="logic">
<obj_property name="ElementShortName">m_axis_tlast</obj_property>
<obj_property name="ObjectShortName">m_axis_tlast</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/m_axis_tvalid" type="logic">
<obj_property name="ElementShortName">m_axis_tvalid</obj_property>
<obj_property name="ObjectShortName">m_axis_tvalid</obj_property>
<obj_property name="CustomSignalColor">#00FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_balance_controller/m_axis_tready" type="logic">
<obj_property name="ElementShortName">m_axis_tready</obj_property>
<obj_property name="ObjectShortName">m_axis_tready</obj_property>
<obj_property name="CustomSignalColor">#FFD700</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
</wave_config>

303
LAB3/vivado/diligent_jstk/diligent_jstk.xpr
View File

@@ -48,20 +48,20 @@
<Option Name="IPStaticSourceDir" Val="$PIPUSERFILESDIR/ipstatic"/>
<Option Name="EnableBDX" Val="FALSE"/>
<Option Name="DSABoardId" Val="basys3"/>
<Option Name="WTXSimLaunchSim" Val="0"/>
<Option Name="WTXSimLaunchSim" Val="45"/>
<Option Name="WTModelSimLaunchSim" Val="0"/>
<Option Name="WTQuestaLaunchSim" Val="0"/>
<Option Name="WTIesLaunchSim" Val="0"/>
<Option Name="WTVcsLaunchSim" Val="0"/>
<Option Name="WTRivieraLaunchSim" Val="0"/>
<Option Name="WTActivehdlLaunchSim" Val="0"/>
<Option Name="WTXSimExportSim" Val="1"/>
<Option Name="WTModelSimExportSim" Val="1"/>
<Option Name="WTQuestaExportSim" Val="1"/>
<Option Name="WTIesExportSim" Val="1"/>
<Option Name="WTVcsExportSim" Val="1"/>
<Option Name="WTRivieraExportSim" Val="1"/>
<Option Name="WTActivehdlExportSim" Val="1"/>
<Option Name="WTXSimExportSim" Val="12"/>
<Option Name="WTModelSimExportSim" Val="12"/>
<Option Name="WTQuestaExportSim" Val="12"/>
<Option Name="WTIesExportSim" Val="12"/>
<Option Name="WTVcsExportSim" Val="12"/>
<Option Name="WTRivieraExportSim" Val="12"/>
<Option Name="WTActivehdlExportSim" Val="12"/>
<Option Name="GenerateIPUpgradeLog" Val="TRUE"/>
<Option Name="XSimRadix" Val="hex"/>
<Option Name="XSimTimeUnit" Val="ns"/>
@@ -77,13 +77,13 @@
<FileSets Version="1" Minor="31">
<FileSet Name="sources_1" Type="DesignSrcs" RelSrcDir="$PSRCDIR/sources_1" RelGenDir="$PGENDIR/sources_1">
<Filter Type="Srcs"/>
<File Path="$PPRDIR/../../src/digilent_jstk2.vhd">
<File Path="$PPRDIR/../../src/jstk_uart_bridge.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/jstk_uart_bridge.vhd">
<File Path="$PPRDIR/../../src/digilent_jstk2.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
@@ -95,6 +95,27 @@
<Attr Name="UsedIn" Val="implementation"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
<CompFileExtendedInfo CompFileName="diligent_jstk.bd" FileRelPathName="ip/diligent_jstk_jstk_uart_bridge_0_0/diligent_jstk_jstk_uart_bridge_0_0.xci">
<Proxy FileSetName="diligent_jstk_jstk_uart_bridge_0_0"/>
</CompFileExtendedInfo>
<CompFileExtendedInfo CompFileName="diligent_jstk.bd" FileRelPathName="ip/diligent_jstk_clk_wiz_0_0/diligent_jstk_clk_wiz_0_0.xci">
<Proxy FileSetName="diligent_jstk_clk_wiz_0_0"/>
</CompFileExtendedInfo>
<CompFileExtendedInfo CompFileName="diligent_jstk.bd" FileRelPathName="ip/diligent_jstk_axi4stream_spi_master_0_0/diligent_jstk_axi4stream_spi_master_0_0.xci">
<Proxy FileSetName="diligent_jstk_axi4stream_spi_master_0_0"/>
</CompFileExtendedInfo>
<CompFileExtendedInfo CompFileName="diligent_jstk.bd" FileRelPathName="ip/diligent_jstk_digilent_jstk2_0_0/diligent_jstk_digilent_jstk2_0_0.xci">
<Proxy FileSetName="diligent_jstk_digilent_jstk2_0_0"/>
</CompFileExtendedInfo>
<CompFileExtendedInfo CompFileName="diligent_jstk.bd" FileRelPathName="ip/diligent_jstk_proc_sys_reset_0_0/diligent_jstk_proc_sys_reset_0_0.xci">
<Proxy FileSetName="diligent_jstk_proc_sys_reset_0_0"/>
</CompFileExtendedInfo>
<CompFileExtendedInfo CompFileName="diligent_jstk.bd" FileRelPathName="ip/diligent_jstk_system_ila_0_0/diligent_jstk_system_ila_0_0.xci">
<Proxy FileSetName="diligent_jstk_system_ila_0_0"/>
</CompFileExtendedInfo>
<CompFileExtendedInfo CompFileName="diligent_jstk.bd" FileRelPathName="ip/diligent_jstk_AXI4Stream_UART_0_0/diligent_jstk_AXI4Stream_UART_0_0.xci">
<Proxy FileSetName="diligent_jstk_AXI4Stream_UART_0_0"/>
</CompFileExtendedInfo>
</File>
<File Path="$PPRDIR/../../design/diligent_jstk/hdl/diligent_jstk_wrapper.vhd">
<FileInfo>
@@ -121,6 +142,7 @@
</Config>
</FileSet>
<FileSet Name="sim_1" Type="SimulationSrcs" RelSrcDir="$PSRCDIR/sim_1" RelGenDir="$PGENDIR/sim_1">
<Filter Type="Srcs"/>
<Config>
<Option Name="DesignMode" Val="RTL"/>
<Option Name="TopModule" Val="diligent_jstk_wrapper"/>
@@ -142,6 +164,48 @@
<Option Name="TopAutoSet" Val="TRUE"/>
</Config>
</FileSet>
<FileSet Name="diligent_jstk_jstk_uart_bridge_0_0" Type="BlockSrcs" RelSrcDir="$PSRCDIR/diligent_jstk_jstk_uart_bridge_0_0" RelGenDir="$PGENDIR/diligent_jstk_jstk_uart_bridge_0_0">
<Config>
<Option Name="TopModule" Val="diligent_jstk_jstk_uart_bridge_0_0"/>
<Option Name="UseBlackboxStub" Val="1"/>
</Config>
</FileSet>
<FileSet Name="diligent_jstk_clk_wiz_0_0" Type="BlockSrcs" RelSrcDir="$PSRCDIR/diligent_jstk_clk_wiz_0_0" RelGenDir="$PGENDIR/diligent_jstk_clk_wiz_0_0">
<Config>
<Option Name="TopModule" Val="diligent_jstk_clk_wiz_0_0"/>
<Option Name="UseBlackboxStub" Val="1"/>
</Config>
</FileSet>
<FileSet Name="diligent_jstk_axi4stream_spi_master_0_0" Type="BlockSrcs" RelSrcDir="$PSRCDIR/diligent_jstk_axi4stream_spi_master_0_0" RelGenDir="$PGENDIR/diligent_jstk_axi4stream_spi_master_0_0">
<Config>
<Option Name="TopModule" Val="diligent_jstk_axi4stream_spi_master_0_0"/>
<Option Name="UseBlackboxStub" Val="1"/>
</Config>
</FileSet>
<FileSet Name="diligent_jstk_digilent_jstk2_0_0" Type="BlockSrcs" RelSrcDir="$PSRCDIR/diligent_jstk_digilent_jstk2_0_0" RelGenDir="$PGENDIR/diligent_jstk_digilent_jstk2_0_0">
<Config>
<Option Name="TopModule" Val="diligent_jstk_digilent_jstk2_0_0"/>
<Option Name="UseBlackboxStub" Val="1"/>
</Config>
</FileSet>
<FileSet Name="diligent_jstk_proc_sys_reset_0_0" Type="BlockSrcs" RelSrcDir="$PSRCDIR/diligent_jstk_proc_sys_reset_0_0" RelGenDir="$PGENDIR/diligent_jstk_proc_sys_reset_0_0">
<Config>
<Option Name="TopModule" Val="diligent_jstk_proc_sys_reset_0_0"/>
<Option Name="UseBlackboxStub" Val="1"/>
</Config>
</FileSet>
<FileSet Name="diligent_jstk_system_ila_0_0" Type="BlockSrcs" RelSrcDir="$PSRCDIR/diligent_jstk_system_ila_0_0" RelGenDir="$PGENDIR/diligent_jstk_system_ila_0_0">
<Config>
<Option Name="TopModule" Val="diligent_jstk_system_ila_0_0"/>
<Option Name="UseBlackboxStub" Val="1"/>
</Config>
</FileSet>
<FileSet Name="diligent_jstk_AXI4Stream_UART_0_0" Type="BlockSrcs" RelSrcDir="$PSRCDIR/diligent_jstk_AXI4Stream_UART_0_0" RelGenDir="$PGENDIR/diligent_jstk_AXI4Stream_UART_0_0">
<Config>
<Option Name="TopModule" Val="diligent_jstk_AXI4Stream_UART_0_0"/>
<Option Name="UseBlackboxStub" Val="1"/>
</Config>
</FileSet>
</FileSets>
<Simulators>
<Simulator Name="XSim">
@@ -162,18 +226,233 @@
</Simulator>
</Simulators>
<Runs Version="1" Minor="15">
<Run Id="synth_1" Type="Ft3:Synth" SrcSet="sources_1" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" IncludeInArchive="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/synth_1">
<Run Id="synth_1" Type="Ft3:Synth" SrcSet="sources_1" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" Dir="$PRUNDIR/synth_1" IncludeInArchive="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/synth_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Synthesis Defaults" Flow="Vivado Synthesis 2020"/>
<Step Id="synth_design"/>
</Strategy>
<GeneratedRun Dir="$PRUNDIR" File="gen_run.xml"/>
<ReportStrategy Name="Vivado Synthesis Default Reports" Flow="Vivado Synthesis 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
<Run Id="diligent_jstk_jstk_uart_bridge_0_0_synth_1" Type="Ft3:Synth" SrcSet="diligent_jstk_jstk_uart_bridge_0_0" Part="xc7a35tcpg236-1" ConstrsSet="diligent_jstk_jstk_uart_bridge_0_0" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" Dir="$PRUNDIR/diligent_jstk_jstk_uart_bridge_0_0_synth_1" IncludeInArchive="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/diligent_jstk_jstk_uart_bridge_0_0_synth_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Synthesis Defaults" Flow="Vivado Synthesis 2020">
<Desc>Vivado Synthesis Defaults</Desc>
</StratHandle>
<Step Id="synth_design"/>
</Strategy>
<GeneratedRun Dir="$PRUNDIR" File="gen_run.xml"/>
<ReportStrategy Name="Vivado Synthesis Default Reports" Flow="Vivado Synthesis 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
<Run Id="impl_1" Type="Ft2:EntireDesign" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Default settings for Implementation." AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" SynthRun="synth_1" IncludeInArchive="true" GenFullBitstream="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/impl_1">
<Run Id="diligent_jstk_clk_wiz_0_0_synth_1" Type="Ft3:Synth" SrcSet="diligent_jstk_clk_wiz_0_0" Part="xc7a35tcpg236-1" ConstrsSet="diligent_jstk_clk_wiz_0_0" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" Dir="$PRUNDIR/diligent_jstk_clk_wiz_0_0_synth_1" IncludeInArchive="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/diligent_jstk_clk_wiz_0_0_synth_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Synthesis Defaults" Flow="Vivado Synthesis 2020">
<Desc>Vivado Synthesis Defaults</Desc>
</StratHandle>
<Step Id="synth_design"/>
</Strategy>
<GeneratedRun Dir="$PRUNDIR" File="gen_run.xml"/>
<ReportStrategy Name="Vivado Synthesis Default Reports" Flow="Vivado Synthesis 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
<Run Id="diligent_jstk_axi4stream_spi_master_0_0_synth_1" Type="Ft3:Synth" SrcSet="diligent_jstk_axi4stream_spi_master_0_0" Part="xc7a35tcpg236-1" ConstrsSet="diligent_jstk_axi4stream_spi_master_0_0" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" Dir="$PRUNDIR/diligent_jstk_axi4stream_spi_master_0_0_synth_1" IncludeInArchive="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/diligent_jstk_axi4stream_spi_master_0_0_synth_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Synthesis Defaults" Flow="Vivado Synthesis 2020">
<Desc>Vivado Synthesis Defaults</Desc>
</StratHandle>
<Step Id="synth_design"/>
</Strategy>
<GeneratedRun Dir="$PRUNDIR" File="gen_run.xml"/>
<ReportStrategy Name="Vivado Synthesis Default Reports" Flow="Vivado Synthesis 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
<Run Id="diligent_jstk_digilent_jstk2_0_0_synth_1" Type="Ft3:Synth" SrcSet="diligent_jstk_digilent_jstk2_0_0" Part="xc7a35tcpg236-1" ConstrsSet="diligent_jstk_digilent_jstk2_0_0" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" Dir="$PRUNDIR/diligent_jstk_digilent_jstk2_0_0_synth_1" IncludeInArchive="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/diligent_jstk_digilent_jstk2_0_0_synth_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Synthesis Defaults" Flow="Vivado Synthesis 2020">
<Desc>Vivado Synthesis Defaults</Desc>
</StratHandle>
<Step Id="synth_design"/>
</Strategy>
<GeneratedRun Dir="$PRUNDIR" File="gen_run.xml"/>
<ReportStrategy Name="Vivado Synthesis Default Reports" Flow="Vivado Synthesis 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
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<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
<Run Id="diligent_jstk_AXI4Stream_UART_0_0_synth_1" Type="Ft3:Synth" SrcSet="diligent_jstk_AXI4Stream_UART_0_0" Part="xc7a35tcpg236-1" ConstrsSet="diligent_jstk_AXI4Stream_UART_0_0" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" Dir="$PRUNDIR/diligent_jstk_AXI4Stream_UART_0_0_synth_1" IncludeInArchive="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/diligent_jstk_AXI4Stream_UART_0_0_synth_1">
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<Run Id="impl_1" Type="Ft2:EntireDesign" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Default settings for Implementation." AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" Dir="$PRUNDIR/impl_1" SynthRun="synth_1" IncludeInArchive="true" GenFullBitstream="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/impl_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020"/>
<Step Id="init_design"/>
<Step Id="opt_design"/>
<Step Id="power_opt_design"/>
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<Step Id="post_place_power_opt_design"/>
<Step Id="phys_opt_design"/>
<Step Id="route_design"/>
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<Step Id="write_bitstream"/>
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<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020">
<Desc>Default settings for Implementation.</Desc>
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<Step Id="init_design"/>
<Step Id="opt_design"/>
<Step Id="power_opt_design"/>
<Step Id="place_design"/>
<Step Id="post_place_power_opt_design"/>
<Step Id="phys_opt_design"/>
<Step Id="route_design"/>
<Step Id="post_route_phys_opt_design"/>
<Step Id="write_bitstream"/>
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<ReportStrategy Name="Vivado Implementation Default Reports" Flow="Vivado Implementation 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
<Run Id="diligent_jstk_clk_wiz_0_0_impl_1" Type="Ft2:EntireDesign" Part="xc7a35tcpg236-1" ConstrsSet="diligent_jstk_clk_wiz_0_0" Description="Default settings for Implementation." AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" SynthRun="diligent_jstk_clk_wiz_0_0_synth_1" IncludeInArchive="false" GenFullBitstream="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/diligent_jstk_clk_wiz_0_0_impl_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020">
<Desc>Default settings for Implementation.</Desc>
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<Step Id="init_design"/>
<Step Id="opt_design"/>
<Step Id="power_opt_design"/>
<Step Id="place_design"/>
<Step Id="post_place_power_opt_design"/>
<Step Id="phys_opt_design"/>
<Step Id="route_design"/>
<Step Id="post_route_phys_opt_design"/>
<Step Id="write_bitstream"/>
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<ReportStrategy Name="Vivado Implementation Default Reports" Flow="Vivado Implementation 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
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<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020">
<Desc>Default settings for Implementation.</Desc>
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<Step Id="init_design"/>
<Step Id="opt_design"/>
<Step Id="power_opt_design"/>
<Step Id="place_design"/>
<Step Id="post_place_power_opt_design"/>
<Step Id="phys_opt_design"/>
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<Step Id="post_route_phys_opt_design"/>
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<RQSFiles/>
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<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020">
<Desc>Default settings for Implementation.</Desc>
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<Step Id="init_design"/>
<Step Id="opt_design"/>
<Step Id="power_opt_design"/>
<Step Id="place_design"/>
<Step Id="post_place_power_opt_design"/>
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<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
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<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020">
<Desc>Default settings for Implementation.</Desc>
</StratHandle>
<Step Id="init_design"/>
<Step Id="opt_design"/>
<Step Id="power_opt_design"/>
<Step Id="place_design"/>
<Step Id="post_place_power_opt_design"/>
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<Step Id="route_design"/>
<Step Id="post_route_phys_opt_design"/>
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<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
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<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020">
<Desc>Default settings for Implementation.</Desc>
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<Step Id="init_design"/>
<Step Id="opt_design"/>
<Step Id="power_opt_design"/>
<Step Id="place_design"/>
<Step Id="post_place_power_opt_design"/>
<Step Id="phys_opt_design"/>
<Step Id="route_design"/>
<Step Id="post_route_phys_opt_design"/>
<Step Id="write_bitstream"/>
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<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
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<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020">
<Desc>Default settings for Implementation.</Desc>

297
LAB3/vivado/lab3/lab3.xpr
View File

@@ -55,13 +55,13 @@
<Option Name="WTVcsLaunchSim" Val="0"/>
<Option Name="WTRivieraLaunchSim" Val="0"/>
<Option Name="WTActivehdlLaunchSim" Val="0"/>
<Option Name="WTXSimExportSim" Val="3"/>
<Option Name="WTModelSimExportSim" Val="3"/>
<Option Name="WTQuestaExportSim" Val="3"/>
<Option Name="WTIesExportSim" Val="3"/>
<Option Name="WTVcsExportSim" Val="3"/>
<Option Name="WTRivieraExportSim" Val="3"/>
<Option Name="WTActivehdlExportSim" Val="3"/>
<Option Name="WTXSimExportSim" Val="6"/>
<Option Name="WTModelSimExportSim" Val="6"/>
<Option Name="WTQuestaExportSim" Val="6"/>
<Option Name="WTIesExportSim" Val="6"/>
<Option Name="WTVcsExportSim" Val="6"/>
<Option Name="WTRivieraExportSim" Val="6"/>
<Option Name="WTActivehdlExportSim" Val="6"/>
<Option Name="GenerateIPUpgradeLog" Val="TRUE"/>
<Option Name="XSimRadix" Val="hex"/>
<Option Name="XSimTimeUnit" Val="ns"/>
@@ -77,12 +77,6 @@
<FileSets Version="1" Minor="31">
<FileSet Name="sources_1" Type="DesignSrcs" RelSrcDir="$PSRCDIR/sources_1" RelGenDir="$PGENDIR/sources_1">
<Filter Type="Srcs"/>
<File Path="$PPRDIR/../../src/digilent_jstk2.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/edge_detector_toggle.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
@@ -95,7 +89,13 @@
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/moving_average_filter_en.vhd">
<File Path="$PPRDIR/../../src/volume_multiplier.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/volume_saturator.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
@@ -107,12 +107,6 @@
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/LFO.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/balance_controller.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
@@ -125,24 +119,54 @@
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/led_controller.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/led_level_controller.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/led_controller.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/mute_controller.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/all_pass_filter.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/moving_average_filter.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/moving_average_filter_en.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/LFO.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/digilent_jstk2.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../design/lab_3/lab_3.bd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
@@ -156,41 +180,6 @@
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/all_pass_filter.vhd">
<FileInfo>
<Attr Name="AutoDisabled" Val="1"/>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/jstk_uart_bridge.vhd">
<FileInfo>
<Attr Name="AutoDisabled" Val="1"/>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/moving_average_filter.vhd">
<FileInfo>
<Attr Name="AutoDisabled" Val="1"/>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/volume_multiplier.vhd">
<FileInfo>
<Attr Name="AutoDisabled" Val="1"/>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/../../src/volume_saturator.vhd">
<FileInfo>
<Attr Name="AutoDisabled" Val="1"/>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<Config>
<Option Name="DesignMode" Val="RTL"/>
<Option Name="TopModule" Val="lab_3_wrapper"/>
@@ -251,16 +240,17 @@
</Simulator>
</Simulators>
<Runs Version="1" Minor="15">
<Run Id="synth_1" Type="Ft3:Synth" SrcSet="sources_1" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" IncludeInArchive="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/synth_1">
<Run Id="synth_1" Type="Ft3:Synth" SrcSet="sources_1" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Vivado Synthesis Defaults" AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" Dir="$PRUNDIR/synth_1" IncludeInArchive="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/synth_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Synthesis Defaults" Flow="Vivado Synthesis 2020"/>
<Step Id="synth_design"/>
</Strategy>
<GeneratedRun Dir="$PRUNDIR" File="gen_run.xml"/>
<ReportStrategy Name="Vivado Synthesis Default Reports" Flow="Vivado Synthesis 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
<Run Id="impl_1" Type="Ft2:EntireDesign" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Default settings for Implementation." AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" SynthRun="synth_1" IncludeInArchive="true" GenFullBitstream="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/impl_1">
<Run Id="impl_1" Type="Ft2:EntireDesign" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Default settings for Implementation." AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" Dir="$PRUNDIR/impl_1" SynthRun="synth_1" IncludeInArchive="true" GenFullBitstream="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/impl_1">
<Strategy Version="1" Minor="2">
<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020"/>
<Step Id="init_design"/>
@@ -273,11 +263,192 @@
<Step Id="post_route_phys_opt_design"/>
<Step Id="write_bitstream"/>
</Strategy>
<GeneratedRun Dir="$PRUNDIR" File="gen_run.xml"/>
<ReportStrategy Name="Vivado Implementation Default Reports" Flow="Vivado Implementation 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
</Runs>
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<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="Vivado 12-1790"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="1"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="Evaluation"/>
<MsgAttr Name="StringsToMatch" Val="features"/>
<MsgAttr Name="StringsToMatch" Val="should"/>
<MsgAttr Name="StringsToMatch" Val="NOT"/>
<MsgAttr Name="StringsToMatch" Val="be"/>
<MsgAttr Name="StringsToMatch" Val="used"/>
<MsgAttr Name="StringsToMatch" Val="in"/>
<MsgAttr Name="StringsToMatch" Val="production"/>
<MsgAttr Name="StringsToMatch" Val="systems."/>
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<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="INFO"/>
<MsgAttr Name="Id" Val="Designutils 20-3303"/>
<MsgAttr Name="Severity" Val="ANY"/>
<MsgAttr Name="ShowRule" Val="1"/>
<MsgAttr Name="RuleSource" Val="2"/>
<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="10"/>
<MsgAttr Name="Note" Val=""/>
<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="HDPYFinalizeIO"/>
</MsgRule>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
<MsgAttr Name="Id" Val="Place 30-73"/>
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<MsgAttr Name="StringIsRegExp" Val="0"/>
<MsgAttr Name="RuleId" Val="11"/>
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<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="axi_spi"/>
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<MsgAttr Name="Author" Val=""/>
<MsgAttr Name="CreatedTimestamp" Val=""/>
<MsgAttr Name="StringsToMatch" Val="PCW_UIPARAM_DDR_DQS_TO_CLK_DELAY"/>
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<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
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<MsgAttr Name="Id" Val="BD 41-1343"/>
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<MsgAttr Name="Id" Val="BD 41-1306"/>
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<MsgAttr Name="RuleId" Val="3"/>
<MsgAttr Name="Note" Val=""/>
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<MsgRule>
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LAB3/vivado/moving_average_filter/moving_average_filter.xpr Normal file
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<!-- Product Version: Vivado v2020.2 (64-bit) -->
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108
LAB3/vivado/moving_average_filter/tb_moving_average_behav.wcfg Normal file
View File

@@ -0,0 +1,108 @@
<?xml version="1.0" encoding="UTF-8"?>
<wave_config>
<wave_state>
</wave_state>
<db_ref_list>
<db_ref path="tb_moving_average_behav.wdb" id="1">
<top_modules>
<top_module name="tb_moving_average" />
</top_modules>
</db_ref>
</db_ref_list>
<zoom_setting>
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<Cursor1Time time="0fs"></Cursor1Time>
</zoom_setting>
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<NameColumnWidth column_width="147"></NameColumnWidth>
<ValueColumnWidth column_width="88"></ValueColumnWidth>
</column_width_setting>
<WVObjectSize size="18" />
<wvobject fp_name="/tb_moving_average/aclk" type="logic">
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<obj_property name="ObjectShortName">aclk</obj_property>
</wvobject>
<wvobject fp_name="/tb_moving_average/aresetn" type="logic">
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<obj_property name="ObjectShortName">aresetn</obj_property>
</wvobject>
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<obj_property name="ObjectShortName">enable_filter</obj_property>
<obj_property name="CustomSignalColor">#FF00FF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
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<obj_property name="DisplayName">label</obj_property>
</wvobject>
<wvobject fp_name="/tb_moving_average/s_axis_tdata" type="array">
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<obj_property name="ObjectShortName">s_axis_tdata[23:0]</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_moving_average/s_axis_tlast" type="logic">
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<obj_property name="ObjectShortName">s_axis_tlast</obj_property>
</wvobject>
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<obj_property name="ObjectShortName">s_axis_tvalid</obj_property>
<obj_property name="CustomSignalColor">#00FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_moving_average/s_axis_tready" type="logic">
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<obj_property name="ObjectShortName">s_axis_tready</obj_property>
<obj_property name="CustomSignalColor">#FFD700</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider59">
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<obj_property name="DisplayName">label</obj_property>
</wvobject>
<wvobject fp_name="/tb_moving_average/m_axis_tdata" type="array">
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<obj_property name="ObjectShortName">m_axis_tdata[23:0]</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_moving_average/m_axis_tlast" type="logic">
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<obj_property name="ObjectShortName">m_axis_tlast</obj_property>
</wvobject>
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<obj_property name="ObjectShortName">m_axis_tvalid</obj_property>
<obj_property name="CustomSignalColor">#00FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_moving_average/m_axis_tready" type="logic">
<obj_property name="ElementShortName">m_axis_tready</obj_property>
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<obj_property name="CustomSignalColor">#FFD700</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider18">
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<obj_property name="DisplayName">label</obj_property>
</wvobject>
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<obj_property name="ObjectShortName">sum_dx[28:0]</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
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<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
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<obj_property name="ObjectShortName">wr_ptr_dx</obj_property>
</wvobject>
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<obj_property name="ObjectShortName">wr_ptr_sx</obj_property>
</wvobject>
</wave_config>

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LAB3/vivado/volume_multiplier/tb_volume_multiplier_behav.wcfg Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<wave_config>
<wave_state>
</wave_state>
<db_ref_list>
<db_ref path="tb_volume_multiplier_behav.wdb" id="1">
<top_modules>
<top_module name="tb_volume_multiplier" />
</top_modules>
</db_ref>
</db_ref_list>
<zoom_setting>
<ZoomStartTime time="788666fs"></ZoomStartTime>
<ZoomEndTime time="1042267fs"></ZoomEndTime>
<Cursor1Time time="1000000fs"></Cursor1Time>
</zoom_setting>
<column_width_setting>
<NameColumnWidth column_width="147"></NameColumnWidth>
<ValueColumnWidth column_width="98"></ValueColumnWidth>
</column_width_setting>
<WVObjectSize size="15" />
<wvobject fp_name="/tb_volume_multiplier/aclk" type="logic">
<obj_property name="ElementShortName">aclk</obj_property>
<obj_property name="ObjectShortName">aclk</obj_property>
</wvobject>
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<obj_property name="ObjectShortName">aresetn</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider77">
<obj_property name="label">Volume</obj_property>
<obj_property name="DisplayName">label</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_multiplier/volume" type="array">
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<obj_property name="ObjectShortName">volume[9:0]</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_multiplier/uut/volume_exp_mult" type="other">
<obj_property name="ElementShortName">volume_exp_mult</obj_property>
<obj_property name="ObjectShortName">volume_exp_mult</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider75">
<obj_property name="label">s_axis</obj_property>
<obj_property name="DisplayName">label</obj_property>
</wvobject>
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<obj_property name="ObjectShortName">s_axis_tdata[23:0]</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_multiplier/s_axis_tlast" type="logic">
<obj_property name="ElementShortName">s_axis_tlast</obj_property>
<obj_property name="ObjectShortName">s_axis_tlast</obj_property>
</wvobject>
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<obj_property name="ElementShortName">s_axis_tvalid</obj_property>
<obj_property name="ObjectShortName">s_axis_tvalid</obj_property>
<obj_property name="CustomSignalColor">#00FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_multiplier/s_axis_tready" type="logic">
<obj_property name="ElementShortName">s_axis_tready</obj_property>
<obj_property name="ObjectShortName">s_axis_tready</obj_property>
<obj_property name="CustomSignalColor">#FFD700</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider74">
<obj_property name="label">m_axis</obj_property>
<obj_property name="DisplayName">label</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_multiplier/m_axis_tdata" type="array">
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<obj_property name="ObjectShortName">m_axis_tdata[31:0]</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_multiplier/m_axis_tlast" type="logic">
<obj_property name="ElementShortName">m_axis_tlast</obj_property>
<obj_property name="ObjectShortName">m_axis_tlast</obj_property>
</wvobject>
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<obj_property name="ElementShortName">m_axis_tvalid</obj_property>
<obj_property name="ObjectShortName">m_axis_tvalid</obj_property>
<obj_property name="CustomSignalColor">#00FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
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<obj_property name="ObjectShortName">m_axis_tready</obj_property>
<obj_property name="CustomSignalColor">#FFD700</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
</wave_config>

391
LAB3/vivado/volume_multiplier/volume_multiplier.xpr Normal file
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@@ -0,0 +1,391 @@
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<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_drc_0 "/>
</Gadget>
<Gadget Name="methodology_1" Type="methodology" Version="1" Row="2" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_methodology_0 "/>
</Gadget>
<Gadget Name="power_1" Type="power" Version="1" Row="1" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_power_0 "/>
</Gadget>
<Gadget Name="timing_1" Type="timing" Version="1" Row="0" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_timing_summary_0 "/>
</Gadget>
<Gadget Name="utilization_1" Type="utilization" Version="1" Row="0" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="synth_1#synth_1_synth_report_utilization_0 "/>
<GadgetParam Name="RUN.STEP" Type="string" Value="synth_design"/>
<GadgetParam Name="RUN.TYPE" Type="string" Value="synthesis"/>
</Gadget>
<Gadget Name="utilization_2" Type="utilization" Version="1" Row="1" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_place_report_utilization_0 "/>
</Gadget>
</Gadgets>
</Dashboard>
<CurrentDashboard>default_dashboard</CurrentDashboard>
</Dashboards>
</DashboardSummary>
</Project>

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LAB3/vivado/volume_saturator/volume_saturator.xpr Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!-- Product Version: Vivado v2020.2 (64-bit) -->
<!-- -->
<!-- Copyright 1986-2020 Xilinx, Inc. All Rights Reserved. -->
<Project Version="7" Minor="54" Path="C:/DESD/LAB3/vivado/volume_saturator/volume_saturator.xpr">
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<Option Name="DefaultLib" Val="xil_defaultlib"/>
<Option Name="ProjectType" Val="Default"/>
<Option Name="IPOutputRepo" Val="$PCACHEDIR/ip"/>
<Option Name="IPDefaultOutputPath" Val="$PGENDIR/sources_1"/>
<Option Name="IPCachePermission" Val="read"/>
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<Option Name="EnableCoreContainer" Val="FALSE"/>
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<Option Name="DSABoardId" Val="basys3"/>
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<Option Name="SimTypes" Val="tlm_dpi"/>
<Option Name="MEMEnableMemoryMapGeneration" Val="TRUE"/>
<Option Name="DcpsUptoDate" Val="TRUE"/>
</Configuration>
<FileSets Version="1" Minor="31">
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<Attr Name="UsedIn" Val="synthesis"/>
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</File>
<Config>
<Option Name="DesignMode" Val="RTL"/>
<Option Name="TopModule" Val="volume_saturator"/>
<Option Name="TopAutoSet" Val="TRUE"/>
</Config>
</FileSet>
<FileSet Name="constrs_1" Type="Constrs" RelSrcDir="$PSRCDIR/constrs_1" RelGenDir="$PGENDIR/constrs_1">
<Filter Type="Constrs"/>
<Config>
<Option Name="ConstrsType" Val="XDC"/>
</Config>
</FileSet>
<FileSet Name="sim_1" Type="SimulationSrcs" RelSrcDir="$PSRCDIR/sim_1" RelGenDir="$PGENDIR/sim_1">
<Filter Type="Srcs"/>
<File Path="$PPRDIR/../../sim/tb_volume_saturator.vhd">
<FileInfo>
<Attr Name="UsedIn" Val="synthesis"/>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<File Path="$PPRDIR/volume_saturator_tb_behav.wcfg">
<FileInfo>
<Attr Name="UsedIn" Val="simulation"/>
</FileInfo>
</File>
<Config>
<Option Name="DesignMode" Val="RTL"/>
<Option Name="TopModule" Val="tb_volume_saturator"/>
<Option Name="TopLib" Val="xil_defaultlib"/>
<Option Name="TopAutoSet" Val="TRUE"/>
<Option Name="TransportPathDelay" Val="0"/>
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<Option Name="SelectedSimModel" Val="rtl"/>
<Option Name="PamDesignTestbench" Val=""/>
<Option Name="PamDutBypassFile" Val="xil_dut_bypass"/>
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<Option Name="PamPseudoTop" Val="pseudo_tb"/>
<Option Name="SrcSet" Val="sources_1"/>
<Option Name="XSimWcfgFile" Val="$PPRDIR/volume_saturator_tb_behav.wcfg"/>
</Config>
</FileSet>
<FileSet Name="utils_1" Type="Utils" RelSrcDir="$PSRCDIR/utils_1" RelGenDir="$PGENDIR/utils_1">
<Filter Type="Utils"/>
<Config>
<Option Name="TopAutoSet" Val="TRUE"/>
</Config>
</FileSet>
</FileSets>
<Simulators>
<Simulator Name="XSim">
<Option Name="Description" Val="Vivado Simulator"/>
<Option Name="CompiledLib" Val="0"/>
</Simulator>
<Simulator Name="ModelSim">
<Option Name="Description" Val="ModelSim Simulator"/>
</Simulator>
<Simulator Name="Questa">
<Option Name="Description" Val="Questa Advanced Simulator"/>
</Simulator>
<Simulator Name="Riviera">
<Option Name="Description" Val="Riviera-PRO Simulator"/>
</Simulator>
<Simulator Name="ActiveHDL">
<Option Name="Description" Val="Active-HDL Simulator"/>
</Simulator>
</Simulators>
<Runs Version="1" Minor="15">
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<Step Id="synth_design"/>
</Strategy>
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<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
<Run Id="impl_1" Type="Ft2:EntireDesign" Part="xc7a35tcpg236-1" ConstrsSet="constrs_1" Description="Default settings for Implementation." AutoIncrementalCheckpoint="false" WriteIncrSynthDcp="false" State="current" SynthRun="synth_1" IncludeInArchive="true" GenFullBitstream="true" AutoIncrementalDir="$PSRCDIR/utils_1/imports/impl_1">
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<StratHandle Name="Vivado Implementation Defaults" Flow="Vivado Implementation 2020"/>
<Step Id="init_design"/>
<Step Id="opt_design"/>
<Step Id="power_opt_design"/>
<Step Id="place_design"/>
<Step Id="post_place_power_opt_design"/>
<Step Id="phys_opt_design"/>
<Step Id="route_design"/>
<Step Id="post_route_phys_opt_design"/>
<Step Id="write_bitstream"/>
</Strategy>
<ReportStrategy Name="Vivado Implementation Default Reports" Flow="Vivado Implementation 2020"/>
<Report Name="ROUTE_DESIGN.REPORT_METHODOLOGY" Enabled="1"/>
<RQSFiles/>
</Run>
</Runs>
<MsgRule>
<MsgAttr Name="RuleType" Val="1"/>
<MsgAttr Name="Limit" Val="-1"/>
<MsgAttr Name="NewSeverity" Val="WARNING"/>
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<MsgAttr Name="StringsToMatch" Val="production"/>
<MsgAttr Name="StringsToMatch" Val="systems."/>
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<MsgAttr Name="RuleType" Val="1"/>
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<MsgAttr Name="RuleType" Val="1"/>
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</MsgRule>
<Board>
<Jumpers/>
</Board>
<DashboardSummary Version="1" Minor="0">
<Dashboards>
<Dashboard Name="default_dashboard">
<Gadgets>
<Gadget Name="drc_1" Type="drc" Version="1" Row="2" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_drc_0 "/>
</Gadget>
<Gadget Name="methodology_1" Type="methodology" Version="1" Row="2" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_methodology_0 "/>
</Gadget>
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<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_power_0 "/>
</Gadget>
<Gadget Name="timing_1" Type="timing" Version="1" Row="0" Column="1">
<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_route_report_timing_summary_0 "/>
</Gadget>
<Gadget Name="utilization_1" Type="utilization" Version="1" Row="0" Column="0">
<GadgetParam Name="REPORTS" Type="string_list" Value="synth_1#synth_1_synth_report_utilization_0 "/>
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</Gadget>
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<GadgetParam Name="REPORTS" Type="string_list" Value="impl_1#impl_1_place_report_utilization_0 "/>
</Gadget>
</Gadgets>
</Dashboard>
<CurrentDashboard>default_dashboard</CurrentDashboard>
</Dashboards>
</DashboardSummary>
</Project>

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LAB3/vivado/volume_saturator/volume_saturator_tb_behav.wcfg Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<wave_config>
<wave_state>
</wave_state>
<db_ref_list>
<db_ref path="tb_volume_saturator_behav.wdb" id="1">
<top_modules>
<top_module name="tb_volume_saturator" />
</top_modules>
</db_ref>
</db_ref_list>
<zoom_setting>
<ZoomStartTime time="0fs"></ZoomStartTime>
<ZoomEndTime time="259201fs"></ZoomEndTime>
<Cursor1Time time="135fs"></Cursor1Time>
</zoom_setting>
<column_width_setting>
<NameColumnWidth column_width="147"></NameColumnWidth>
<ValueColumnWidth column_width="93"></ValueColumnWidth>
</column_width_setting>
<WVObjectSize size="13" />
<wvobject fp_name="/tb_volume_saturator/aclk" type="logic">
<obj_property name="ElementShortName">aclk</obj_property>
<obj_property name="ObjectShortName">aclk</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_saturator/aresetn" type="logic">
<obj_property name="ElementShortName">aresetn</obj_property>
<obj_property name="ObjectShortName">aresetn</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider18">
<obj_property name="label">s_axis</obj_property>
<obj_property name="DisplayName">label</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_saturator/s_axis_tdata" type="array">
<obj_property name="ElementShortName">s_axis_tdata[31:0]</obj_property>
<obj_property name="ObjectShortName">s_axis_tdata[31:0]</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_saturator/s_axis_tlast" type="logic">
<obj_property name="ElementShortName">s_axis_tlast</obj_property>
<obj_property name="ObjectShortName">s_axis_tlast</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_saturator/s_axis_tvalid" type="logic">
<obj_property name="ElementShortName">s_axis_tvalid</obj_property>
<obj_property name="ObjectShortName">s_axis_tvalid</obj_property>
<obj_property name="CustomSignalColor">#00FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_saturator/s_axis_tready" type="logic">
<obj_property name="ElementShortName">s_axis_tready</obj_property>
<obj_property name="ObjectShortName">s_axis_tready</obj_property>
<obj_property name="CustomSignalColor">#FFD700</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="divider" fp_name="divider17">
<obj_property name="label">m_axis</obj_property>
<obj_property name="DisplayName">label</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_saturator/m_axis_tdata" type="array">
<obj_property name="ElementShortName">m_axis_tdata[23:0]</obj_property>
<obj_property name="ObjectShortName">m_axis_tdata[23:0]</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_saturator/m_axis_tlast" type="logic">
<obj_property name="ElementShortName">m_axis_tlast</obj_property>
<obj_property name="ObjectShortName">m_axis_tlast</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_saturator/m_axis_tvalid" type="logic">
<obj_property name="ElementShortName">m_axis_tvalid</obj_property>
<obj_property name="ObjectShortName">m_axis_tvalid</obj_property>
<obj_property name="CustomSignalColor">#00FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_saturator/m_axis_tready" type="logic">
<obj_property name="ElementShortName">m_axis_tready</obj_property>
<obj_property name="ObjectShortName">m_axis_tready</obj_property>
<obj_property name="CustomSignalColor">#FFD700</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="group45" type="group">
<obj_property name="label">BOUNDS</obj_property>
<obj_property name="DisplayName">label</obj_property>
<obj_property name="isExpanded"></obj_property>
<wvobject fp_name="/tb_volume_saturator/uut/HIGHER_BOUND" type="other">
<obj_property name="ElementShortName">HIGHER_BOUND</obj_property>
<obj_property name="ObjectShortName">HIGHER_BOUND</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_volume_saturator/uut/LOWER_BOUND" type="other">
<obj_property name="ElementShortName">LOWER_BOUND</obj_property>
<obj_property name="ObjectShortName">LOWER_BOUND</obj_property>
<obj_property name="Radix">SIGNEDDECRADIX</obj_property>
</wvobject>
</wvobject>
</wave_config>

6
requirements.txt Normal file
View File

@@ -0,0 +1,6 @@
pyserial
matplotlib
pillow
numpy
tqdm
scipy