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Add per-channel Swing configuration #7

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awonak merged 9 commits from refs/pull/7/head into main 2025-06-22 18:38:51 +00:00
Conversation 0 Commits 9 Files Changed 6 +92 -29
6 changed files with 92 additions and 29 deletions
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examples/Gravity/channel.h
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@ -82,18 +82,18 @@ class Channel {
*/ */
void processClockTick(uint32_t tick, DigitalOutput& output) { void processClockTick(uint32_t tick, DigitalOutput& output) {
// Calculate output duty cycle state using cv modded values to determine pulse counts. // Calculate output duty cycle state using cv modded values to determine pulse counts.
const uint32_t mod_pulses = clock_mod_pulses[cvmod_clock_mod_index]; const uint16_t mod_pulses = clock_mod_pulses[cvmod_clock_mod_index];
const uint32_t duty_pulses = max((long)((mod_pulses * (100L - cvmod_duty_cycle)) / 100L), 1L); const uint16_t duty_pulses = max((long)((mod_pulses * (100L - cvmod_duty_cycle)) / 100L), 1L);
const uint32_t offset_pulses = (long)((mod_pulses * (100L - cvmod_offset)) / 100L); const uint16_t offset_pulses = (long)((mod_pulses * (100L - cvmod_offset)) / 100L);
uint32_t swing_pulses = 0; uint16_t swing_pulses = 0;
// Check step increment for odd beats. // Check step increment for odd beats.
if (cvmod_swing > 50 && (tick / mod_pulses) % 2 == 1) { if (cvmod_swing > 50 && (tick / mod_pulses) % 2 == 1) {
int shifted_swing = cvmod_swing - 50; int shifted_swing = cvmod_swing - 50;
swing_pulses = (long)((mod_pulses * (100L - shifted_swing)) / 100L); swing_pulses = (long)((mod_pulses * (100L - shifted_swing)) / 100L);
} }
const uint32_t current_tick_offset = tick + offset_pulses + swing_pulses; const uint16_t current_tick_offset = tick + offset_pulses + swing_pulses;
// Step check // Step check
if (!output.On()) { if (!output.On()) {
@ -106,7 +106,7 @@ class Channel {
} }
// Duty cycle low check // Duty cycle low check
const uint32_t duty_cycle_end_tick = tick + duty_pulses + offset_pulses; const uint16_t duty_cycle_end_tick = tick + duty_pulses + offset_pulses + swing_pulses;
if (duty_cycle_end_tick % mod_pulses == 0) { if (duty_cycle_end_tick % mod_pulses == 0) {
output.Low(); output.Low();
} }