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WM8978 fix for IDF below 4.2.0

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Troy
2024-03-30 11:09:14 -04:00
parent 1e934d3426
commit 04a8681f71
1 changed files with 6 additions and 0 deletions
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6
usermods/audioreactive/audio_source.h
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@@ -649,7 +649,13 @@ class WM8978Source : public I2SSource {
_wm8978I2cWrite( 1,0b000111110); // Power Management 1 - power off most things, but enable mic bias and I/O tie-off to help mitigate mic leakage.
_wm8978I2cWrite( 2,0b110111111); // Power Management 2 - enable output and amp stages (amps may lift signal but it works better on the ADCs)
_wm8978I2cWrite( 3,0b000001100); // Power Management 3 - enable L&R output mixers
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 2, 0)
_wm8978I2cWrite( 4,0b001010000); // Audio Interface - standard I2S, 24-bit
#else
_wm8978I2cWrite( 4,0b001001000); // Audio Interface - left-justified I2S, 24-bit
#endif
_wm8978I2cWrite( 6,0b000000000); // Clock generation control - use external mclk
_wm8978I2cWrite( 7,0b000000100); // Sets sample rate to ~24kHz (only used for internal calculations, not I2S)
_wm8978I2cWrite(14,0b010001000); // 128x ADC oversampling - high pass filter disabled as it kills the bass response