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Add testbench for LED blinker, enhance bram_writer with state management, and update test script for overflow/underflow handling

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This commit is contained in:
Davide Cavagnola
2025-04-17 22:55:49 +02:00
parent 667632bfa3
commit a054085341
7 changed files with 185 additions and 44 deletions
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29
LAB2/test/test.py
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@@ -1,4 +1,4 @@
import sys
""" import sys
import subprocess
def install_and_import(package, package_name=None):
@@ -16,7 +16,7 @@ install_and_import("serial", "pyserial")
install_and_import("PIL", "pillow")
install_and_import("tqdm")
install_and_import("numpy")
install_and_import("scipy")
install_and_import("scipy") """
from serial import Serial
import serial.tools.list_ports
@@ -25,8 +25,11 @@ from PIL import Image
from scipy.signal import convolve2d
import numpy as np
IMAGE_NAME2 = "test2.png"
IMAGE_NAME1 = "test1.png"
IMAGE_OF = r'C:\DESD\LAB2\test\test_of.png'
IMAGE_UF = r'C:\DESD\LAB2\test\test_uf.png'
IMAGE_NAME3 = r'C:\DESD\LAB2\test\test3.png'
IMAGE_NAME2 = r'C:\DESD\LAB2\test\test2.png'
IMAGE_NAME1 = r'C:\DESD\LAB2\test\test1.png'
BASYS3_PID = 0x6010
BASYS3_VID = 0x0403
@@ -42,16 +45,19 @@ for port in serial.tools.list_ports.comports():
if not dev:
raise RuntimeError("Basys 3 Not Found!")
test_n = int(input("Insert test number (1 or 2): ").strip())
test_n = int(input("Insert test number (1, 2, 3, overflow (4) or underflow (5)): ").strip())
if test_n not in [1, 2]:
raise RuntimeError("Test number must be 1 or 2")
if test_n not in [1, 2, 3, 4, 5]:
raise RuntimeError("Test number must be 1, 2, 3, 4 (overflow) or 5 (underflow)")
dev = Serial(dev, 115200)
img = Image.open(IMAGE_NAME1 if test_n == 1 else IMAGE_NAME2)
img = Image.open(IMAGE_NAME1 if test_n == 1 else IMAGE_NAME2 if test_n == 2 else IMAGE_NAME3 if test_n == 3 else IMAGE_UF if test_n == 5 else IMAGE_OF)
if img.mode != "RGB":
img = img.convert("RGB")
IMG_WIDTH, IMG_HEIGHT = img.size # Get dimensions from the image
mat = np.asarray(img, dtype=np.uint8)
mat = mat[:, :, :3]
@@ -75,6 +81,13 @@ for i in tqdm(range(IMG_HEIGHT)):
dev.write(b'\xf1')
dev.flush()
if test_n == 4:
print("Check for overflow (LED U16)")
exit()
elif test_n == 5:
print("Check for underflow (LED U19)")
exit()
res = dev.read(IMG_HEIGHT * IMG_WIDTH + 2)
res_img = np.frombuffer(res[1:-1], dtype=np.uint8)