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Further work in progress on ES8388 driver

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This commit is contained in:
Will Tatam
2022-11-27 16:54:05 +00:00
parent 91fd6b7a7c
commit 0a8347fb74
1 changed files with 24 additions and 12 deletions
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36
usermods/audioreactive/audio_source.h
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@@ -489,17 +489,24 @@ class ES8388Source : public I2SSource {
private:
void _es8388InitAdc() {
if (!es8388.init()) Serial.println("Init Fail");
es8388.inputSelect(IN2);
DEBUGSR_PRINTF("\nAR: _es8388InitAdc\n");
if (!es8388.init()) {
Serial.println("_es8388InitAdc init Fail\n");
return;
}
es8388.inputSelect(IN2); // IN2 Line-In
es8388.setInputGain(8);
es8388.outputSelect(OUT2);
es8388.outputSelect(OUT1); // OUT1 - Headphones
es8388.setOutputVolume(12);
es8388.mixerSourceSelect(MIXADC, MIXADC);
es8388.mixerSourceControl(DACOUT);
es8388.setALCmode(MUSIC);
es8388.analogBypass(true);
uint8_t *reg;
for (uint8_t i = 0; i < 53; i++) {
reg = es8388.readAllReg();
Serial.printf("Reg-%02d = 0x%02x\r\n", i, reg[i]);
DEBUGSR_PRINTF("Reg-%02d = 0x%02x\r\n", i, reg[i]);
}
}
@@ -509,22 +516,27 @@ public:
_config.channel_format = I2S_CHANNEL_FMT_ONLY_LEFT;
pin_ES8388_SDA = sdaPin;
pin_ES8388_SCL = sclPin;
DEBUGSR_PRINTF("\nAR: ES8388Source\n");
};
void initialize(int8_t i2swsPin, int8_t i2ssdPin, int8_t i2sckPin) {
void initialize(int8_t i2swsPin, int8_t i2ssdPin, int8_t i2sckPin, int8_t mclkPin, int8_t = I2S_PIN_NO_CHANGE, int8_t = I2S_PIN_NO_CHANGE) {
DEBUGSR_PRINTF("\nAR: ES8388Source initialize called\n");
// Reserve SDA and SCL pins of the I2C interface
if (!pinManager.allocatePin(pin_ES8388_SDA, true, PinOwner::HW_I2C) ||
!pinManager.allocatePin(pin_ES8388_SCL, true, PinOwner::HW_I2C)) {
PinManagerPinType pins[2] = { { pin_ES8388_SDA, true }, { pin_ES8388_SCL, true } };
if (!pinManager.allocateMultiplePins(pins, 2, PinOwner::HW_I2C)) {
pinManager.deallocateMultiplePins(pins, 2, PinOwner::HW_I2C);
ERRORSR_PRINTF("\nAR: Failed to allocate ES8388 I2C pins: SDA=%d, SCL=%d\n", pin_ES8388_SDA, pin_ES8388_SCL);
return;
}
_es8388InitAdc();
// i2s
PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0_CLK_OUT1);
WRITE_PERI_REG(PIN_CTRL, 0xFFF0);
i2s_set_sample_rates(I2S_NUM_0, 16000); // 16000 further reduces distortion, retaining acceptable quality
// PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0_CLK_OUT1);
// WRITE_PERI_REG(PIN_CTRL, 0xFFF0);
// i2s_set_sample_rates(I2S_NUM_0, 22050);
I2SSource::initialize(i2swsPin, i2ssdPin, i2sckPin);
DEBUGSR_PRINTF("\nAR: ES8388Source calling I2SSource::initialize\n");
I2SSource::initialize(i2swsPin, i2ssdPin, i2sckPin, mclkPin);
}
void deinitialize() {
@@ -537,7 +549,7 @@ public:
private:
int8_t pin_ES8388_SDA;
int8_t pin_ES8388_SCL;
ES8388 es8388 = ES8388(pin_ES8388_SDA, pin_ES8388_SCL, 400000);
ES8388 es8388 = ES8388(18, 23, 400000);
};