Minor tab and comment clean-up.
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@@ -761,27 +761,29 @@ class AC101Source : public I2SSource {
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void _ac101InitAdc() {
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// https://files.seeedstudio.com/wiki/ReSpeaker_6-Mics_Circular_Array_kit_for_Raspberry_Pi/reg/AC101_User_Manual_v1.1.pdf
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//
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_ac101I2cBegin();
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// This supports mostly the older AI Thinkier AudioKit A1S that has an AC101 chip
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// Newer versions use the ES3833 chip - which we also support.
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#define CHIP_AUDIO_RS 0x00
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#define SYSCLK_CTRL 0x03
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#define MOD_CLK_ENA 0x04
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#define MOD_RST_CTRL 0x05
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#define I2S_SR_CTRL 0x06
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#define I2S1LCK_CTRL 0x10
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#define I2S1_SDOUT_CTRL 0x11
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#define I2S1_MXR_SRC 0x13
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#define ADC_DIG_CTRL 0x40
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#define ADC_APC_CTRL 0x50
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#define ADC_SRC 0x51
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#define ADC_SRCBST_CTRL 0x52
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_ac101I2cBegin();
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#define CHIP_AUDIO_RS 0x00
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#define SYSCLK_CTRL 0x03
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#define MOD_CLK_ENA 0x04
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#define MOD_RST_CTRL 0x05
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#define I2S_SR_CTRL 0x06
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#define I2S1LCK_CTRL 0x10
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#define I2S1_SDOUT_CTRL 0x11
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#define I2S1_MXR_SRC 0x13
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#define ADC_DIG_CTRL 0x40
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#define ADC_APC_CTRL 0x50
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#define ADC_SRC 0x51
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#define ADC_SRCBST_CTRL 0x52
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#define OMIXER_DACA_CTRL 0x53
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#define OMIXER_SR 0x54
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#define HPOUT_CTRL 0x56
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#define OMIXER_SR 0x54
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#define HPOUT_CTRL 0x56
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_ac101I2cWrite(CHIP_AUDIO_RS, 0x123); // I think anything written here is a reset as 0x123 is kinda suss.
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delay(100);
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_ac101I2cWrite(SYSCLK_CTRL, 0b0000100000001000); // System Clock is I2S MCLK
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