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Added possibility to change DOUT pin. #182

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Added possibility to change DOUT pin. #182

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7e96f30
Added posibility to change DOUT pin.
frederic-bonjour Apr 27, 2019
3af7e3d
Added missing static initializer. Sorry.
frederic-bonjour Apr 27, 2019
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5 changes: 3 additions & 2 deletions src/AudioOutputI2S.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@
#endif
#include "AudioOutputI2S.h"

int AudioOutputI2S::DOUT = 22;

AudioOutputI2S::AudioOutputI2S(int port, int output_mode, int dma_buf_count, int use_apll)
{
this->portNo = port;
Expand Down Expand Up @@ -77,12 +79,11 @@ AudioOutputI2S::AudioOutputI2S(int port, int output_mode, int dma_buf_count, int
i2s_set_pin((i2s_port_t)portNo, NULL);
i2s_set_dac_mode(I2S_DAC_CHANNEL_BOTH_EN);
} else {
SetPinout(26, 25, 22);
SetPinout(26, 25, AudioOutputI2S::DOUT);
}
i2s_zero_dma_buffer((i2s_port_t)portNo);
}
#else
(void) dma_buf_count;
(void) use_apll;
if (!i2sOn) {
i2s_begin();
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2 changes: 2 additions & 0 deletions src/AudioOutputI2S.h
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Expand Up @@ -40,6 +40,8 @@ class AudioOutputI2S : public AudioOutput

enum : int { APLL_AUTO = -1, APLL_ENABLE = 1, APLL_DISABLE = 0 };
enum : int { EXTERNAL_I2S = 0, INTERNAL_DAC = 1, INTERNAL_PDM = 2 };

static int DOUT;

protected:
virtual int AdjustI2SRate(int hz) { return hz; }
Expand Down