diff options
| -rw-r--r-- | ports/atmel-samd/common-hal/audioio/AudioOut.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/ports/atmel-samd/common-hal/audioio/AudioOut.c b/ports/atmel-samd/common-hal/audioio/AudioOut.c index 36ab52006..b75c2b335 100644 --- a/ports/atmel-samd/common-hal/audioio/AudioOut.c +++ b/ports/atmel-samd/common-hal/audioio/AudioOut.c @@ -397,15 +397,22 @@ void common_hal_audioio_audioout_play(audioio_audioout_obj_t* self, if (self->right_channel == &pin_PA02) { right_channel_reg = (uint32_t) &DAC->DATABUF[0].reg; } - result = audio_dma_setup_playback(&self->left_dma, sample, loop, true, 0, - false /* output unsigned */, - left_channel_reg, - left_channel_trigger); - if (right_channel_reg != 0 && result == AUDIO_DMA_OK) { - result = audio_dma_setup_playback(&self->right_dma, sample, loop, true, 1, + if(right_channel_reg == left_channel_reg + 2 && audiosample_bits_per_sample(sample) == 16) { + result = audio_dma_setup_playback(&self->left_dma, sample, loop, false, 0, false /* output unsigned */, - right_channel_reg, - right_channel_trigger); + left_channel_reg, + left_channel_trigger); + } else { + result = audio_dma_setup_playback(&self->left_dma, sample, loop, true, 0, + false /* output unsigned */, + left_channel_reg, + left_channel_trigger); + if (right_channel_reg != 0 && result == AUDIO_DMA_OK) { + result = audio_dma_setup_playback(&self->right_dma, sample, loop, true, 1, + false /* output unsigned */, + right_channel_reg, + right_channel_trigger); + } } #endif if (result != AUDIO_DMA_OK) { |