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Refactor volume_multiplier

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This commit is contained in:
Davide Cavagnola
2025-05-21 20:37:47 +02:00
parent 4e3d7c45a2
commit 13cf70b984
5 changed files with 181 additions and 81 deletions
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9
LAB3/src/volume_multiplier.vhd
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@@ -28,12 +28,10 @@ END volume_multiplier;
ARCHITECTURE Behavioral OF volume_multiplier IS
CONSTANT VOLUME_STEPS : INTEGER := (2 ** VOLUME_WIDTH) / (2 ** VOLUME_STEP_2);
CONSTANT CENTER_VOLUME_STEP : INTEGER := (2 ** (VOLUME_WIDTH - 1) - 1) / (2 ** VOLUME_STEP_2) + 1;
CONSTANT VOLUME_STEPS : INTEGER := (2 ** (VOLUME_WIDTH - 1)) / (2 ** VOLUME_STEP_2) + 1;
SIGNAL volume_exp_mult : INTEGER RANGE -VOLUME_STEPS TO VOLUME_STEPS := 0;
SIGNAL m_axis_tvalid_int : STD_LOGIC;
BEGIN
@@ -53,7 +51,7 @@ BEGIN
ELSE
-- Volume to signed and centered and convert to power of 2 exponent
volume_exp_mult <= to_integer(
shift_right(signed('0' & volume), VOLUME_STEP_2) - CENTER_VOLUME_STEP
shift_right(signed('0' & volume) - to_signed(480, volume'length + 1), VOLUME_STEP_2)
);
END IF;
@@ -74,6 +72,9 @@ BEGIN
m_axis_tdata <= (OTHERS => '0');
ELSE
-- Default output signals
m_axis_tlast <= '0';
-- Clear valid flag when master interface is ready
IF m_axis_tready = '1' THEN
m_axis_tvalid_int <= '0';