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fix: Correct LFO step clock cycle calculations for accurate amplitude modulation

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This commit is contained in:
Davide Cavagnola
2025-06-01 01:03:19 +02:00
parent a52023733d
commit 9828eed333
1 changed files with 2 additions and 2 deletions
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4
LAB3/src/LFO.vhd
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@@ -95,8 +95,8 @@ BEGIN
-- 0-511: Faster than base frequency (shorter period, higher frequency) -- 0-511: Faster than base frequency (shorter period, higher frequency)
-- 512: Base frequency (1kHz) -- 512: Base frequency (1kHz)
-- 513-1023: Slower than base frequency (longer period, lower frequency) -- 513-1023: Slower than base frequency (longer period, lower frequency)
step_clk_cycles_delta <= (to_integer(unsigned(lfo_period)) - JSTK_CENTER_VALUE) * ADJUSTMENT_FACTOR; step_clk_cycles_delta <= (to_integer(unsigned(lfo_period)) - JSTK_CENTER_VALUE);
step_clk_cycles <= LFO_COUNTER_BASE_CLK_CYCLES - step_clk_cycles_delta; step_clk_cycles <= LFO_COUNTER_BASE_CLK_CYCLES - step_clk_cycles_delta * ADJUSTMENT_FACTOR;
-- Generate triangular wave when LFO is enabled -- Generate triangular wave when LFO is enabled
IF lfo_enable = '1' THEN IF lfo_enable = '1' THEN