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Fix stuck note with square wave in additive DAC (#21589)

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Nebuleon 2023-07-27 00:00:27 -04:00 committed by GitHub
parent b718b434da
commit 821db155f2
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platforms/chibios/drivers/audio_dac_additive.c
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@ -66,7 +66,7 @@ static const dacsample_t dac_buffer_triangle[AUDIO_DAC_BUFFER_SIZE] = {
#endif // AUDIO_DAC_SAMPLE_WAVEFORM_TRIANGLE #endif // AUDIO_DAC_SAMPLE_WAVEFORM_TRIANGLE
#ifdef AUDIO_DAC_SAMPLE_WAVEFORM_SQUARE #ifdef AUDIO_DAC_SAMPLE_WAVEFORM_SQUARE
static const dacsample_t dac_buffer_square[AUDIO_DAC_BUFFER_SIZE] = { static const dacsample_t dac_buffer_square[AUDIO_DAC_BUFFER_SIZE] = {
[0 ... AUDIO_DAC_BUFFER_SIZE / 2 - 1] = 0, // first and [0 ... AUDIO_DAC_BUFFER_SIZE / 2 - 1] = AUDIO_DAC_OFF_VALUE, // first and
[AUDIO_DAC_BUFFER_SIZE / 2 ... AUDIO_DAC_BUFFER_SIZE - 1] = AUDIO_DAC_SAMPLE_MAX, // second half [AUDIO_DAC_BUFFER_SIZE / 2 ... AUDIO_DAC_BUFFER_SIZE - 1] = AUDIO_DAC_SAMPLE_MAX, // second half
}; };
#endif // AUDIO_DAC_SAMPLE_WAVEFORM_SQUARE #endif // AUDIO_DAC_SAMPLE_WAVEFORM_SQUARE