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Troy
2024-07-03 16:20:44 -04:00
parent e28fa67bf0
commit 28cb5c88b6
2 changed files with 196 additions and 0 deletions
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174
usermods/audioreactive/audio_source.h
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@@ -736,6 +736,180 @@ class WM8978Source : public I2SSource {
};
class AC101Source : public I2SSource {
private:
// I2C initialization functions for WM8978
void _ac101I2cBegin() {
Wire.setClock(400000);
}
void _ac101I2cWrite(uint8_t reg_addr, uint16_t val) {
#ifndef AC101_ADDR
#define AC101_ADDR 0x1A
#endif
char send_buff[3];
send_buff[0] = reg_addr;
send_buff[1] = (val >> 8) & 0xff;
send_buff[2] = val & 0xff;
Wire.beginTransmission(AC101_ADDR);
Wire.write((const uint8_t*)send_buff, 3);
uint8_t i2cErr = Wire.endTransmission(); // i2cErr == 0 means OK
if (i2cErr != 0) {
DEBUGSR_PRINTF("AR: AC101 I2C write failed with error=%d (addr=0x%X, reg 0x%X, val 0x%X).\n", i2cErr, AC101_ADDR, reg_addr, val);
}
}
void _ac101InitAdc() {
// https://files.seeedstudio.com/wiki/ReSpeaker_6-Mics_Circular_Array_kit_for_Raspberry_Pi/reg/AC101_User_Manual_v1.1.pdf
//
_ac101I2cBegin();
#define CHIP_AUDIO_RS 0x00
#define PLL_CTRL1 0x01
#define PLL_CTRL2 0x02
#define SYSCLK_CTRL 0x03
#define MOD_CLK_ENA 0x04
#define MOD_RST_CTRL 0x05
#define I2S_SR_CTRL 0x06
#define I2S1LCK_CTRL 0x10
#define I2S1_SDOUT_CTRL 0x11
#define I2S1_SDIN_CTRL 0x12
#define I2S1_MXR_SRC 0x13
#define I2S1_VOL_CTRL1 0x14
#define I2S1_VOL_CTRL2 0x15
#define I2S1_VOL_CTRL3 0x16
#define I2S1_VOL_CTRL4 0x17
#define I2S1_MXR_GAIN 0x18
#define ADC_DIG_CTRL 0x40
#define ADC_VOL_CTRL 0x41
#define HMIC_CTRL1 0x44
#define HMIC_CTRL2 0x45
#define HMIC_STATUS 0x46
#define DAC_DIG_CTRL 0x48
#define DAC_VOL_CTRL 0x49
#define DAC_MXR_SRC 0x4c
#define DAC_MXR_GAIN 0x4d
#define ADC_APC_CTRL 0x50
#define ADC_SRC 0x51
#define ADC_SRCBST_CTRL 0x52
#define OMIXER_DACA_CTRL 0x53
#define OMIXER_SR 0x54
#define OMIXER_BST1_CTRL 0x55
#define HPOUT_CTRL 0x56
#define SPKOUT_CTRL 0x58
#define AC_DAC_DAPCTRL 0xa0
#define AC_DAC_DAPHHPFC 0xa1
#define AC_DAC_DAPLHPFC 0xa2
#define AC_DAC_DAPLHAVC 0xa3
#define AC_DAC_DAPLLAVC 0xa4
#define AC_DAC_DAPRHAVC 0xa5
#define AC_DAC_DAPRLAVC 0xa6
#define AC_DAC_DAPHGDEC 0xa7
#define AC_DAC_DAPLGDEC 0xa8
#define AC_DAC_DAPHGATC 0xa9
#define AC_DAC_DAPLGATC 0xaa
#define AC_DAC_DAPHETHD 0xab
#define AC_DAC_DAPLETHD 0xac
#define AC_DAC_DAPHGKPA 0xad
#define AC_DAC_DAPLGKPA 0xae
#define AC_DAC_DAPHGOPA 0xaf
#define AC_DAC_DAPLGOPA 0xb0
#define AC_DAC_DAPOPT 0xb1
#define DAC_DAP_ENA 0xb5
_ac101I2cWrite(CHIP_AUDIO_RS, 0x123); // Reset (any value written does a reset)
vTaskDelay(1000 / portTICK_PERIOD_MS);
_ac101I2cWrite(SPKOUT_CTRL, 0xe880);
//Enable the PLL from 256*44.1KHz MCLK source
_ac101I2cWrite(PLL_CTRL1, 0x014f);
//res |= ac101_write_reg(PLL_CTRL2, 0x83c0);
_ac101I2cWrite(PLL_CTRL2, 0x8600);
//Clocking system
_ac101I2cWrite(SYSCLK_CTRL, 0x8b08);
_ac101I2cWrite(MOD_CLK_ENA, 0x800c);
_ac101I2cWrite(MOD_RST_CTRL, 0x800c);
_ac101I2cWrite(I2S_SR_CTRL, 0b0111000000000000); //sample rate 22050 Hz
//AIF config
_ac101I2cWrite(I2S1LCK_CTRL, 0x8850); //BCLK/LRCK
_ac101I2cWrite(I2S1_SDOUT_CTRL, 0xc000); //
_ac101I2cWrite(I2S1_SDIN_CTRL, 0xc000);
_ac101I2cWrite(I2S1_MXR_SRC, 0x2200); //
_ac101I2cWrite(ADC_SRCBST_CTRL, 0xccc4);
_ac101I2cWrite(ADC_SRC, 0x2020);
_ac101I2cWrite(ADC_DIG_CTRL, 0x8000);
_ac101I2cWrite(ADC_APC_CTRL, 0xbbc3);
//Path Configuration
_ac101I2cWrite(DAC_MXR_SRC, 0xcc00);
_ac101I2cWrite(DAC_DIG_CTRL, 0x8000);
_ac101I2cWrite(OMIXER_SR, 0x0081);
_ac101I2cWrite(OMIXER_DACA_CTRL, 0xf080); //}
//* Enable Speaker output
// _ac101I2cWrite(0x58, 0xeabd);
_ac101I2cWrite(ADC_SRC, 0b0000010000001000); // Line-in to ADC
_ac101I2cWrite(ADC_DIG_CTRL, 0x8000);
_ac101I2cWrite(ADC_APC_CTRL, 0x3bc0);
//I2S1_SDOUT_CTRL
//res |= _ac101I2cWrite(PLL_CTRL2, 0x8120);
_ac101I2cWrite(MOD_CLK_ENA, 0x800c);
_ac101I2cWrite(MOD_RST_CTRL, 0x800c);
//res |= _ac101I2cWrite(0x06, 0x3000);
//* Enable Headphoe output
_ac101I2cWrite(OMIXER_DACA_CTRL, 0xff80);
_ac101I2cWrite(HPOUT_CTRL, 0xc3c1);
_ac101I2cWrite(HPOUT_CTRL, 0xcb00);
vTaskDelay(100 / portTICK_PERIOD_MS);
_ac101I2cWrite(HPOUT_CTRL, 0xfbc0);
_ac101I2cWrite(OMIXER_SR, 0b0000010000001000); // default all 0
//* Enable Speaker output
_ac101I2cWrite(SPKOUT_CTRL, 0xeabd);
}
public:
AC101Source(SRate_t sampleRate, int blockSize, float sampleScale = 1.0f, bool i2sMaster=true) :
I2SSource(sampleRate, blockSize, sampleScale, i2sMaster) {
_config.channel_format = I2S_CHANNEL_FMT_ONLY_LEFT;
};
void initialize(int8_t i2swsPin, int8_t i2ssdPin, int8_t i2sckPin, int8_t mclkPin) {
DEBUGSR_PRINTLN("AC101Source:: initialize();");
// if ((i2sckPin < 0) || (mclkPin < 0)) { // WLEDMM not sure if this check is needed here, too
// ERRORSR_PRINTF("\nAR: invalid I2S WM8978 pin: SCK=%d, MCLK=%d\n", i2sckPin, mclkPin);
// return;
// }
// BUG: "use global I2C pins" are valid as -1, and -1 is seen as invalid here.
// Workaround: Set I2C pins here, which will also set them globally.
// Bug also exists in ES7243.
if ((i2c_sda < 0) || (i2c_scl < 0)) { // check that global I2C pins are not "undefined"
ERRORSR_PRINTF("\nAR: invalid AC101 global I2C pins: SDA=%d, SCL=%d\n", i2c_sda, i2c_scl);
return;
}
if (!pinManager.joinWire(i2c_sda, i2c_scl)) { // WLEDMM specific: start I2C with globally defined pins
ERRORSR_PRINTF("\nAR: failed to join I2C bus with SDA=%d, SCL=%d\n", i2c_sda, i2c_scl);
return;
}
// First route mclk, then configure ADC over I2C, then configure I2S
_ac101InitAdc();
I2SSource::initialize(i2swsPin, i2ssdPin, i2sckPin, mclkPin);
}
void deinitialize() {
I2SSource::deinitialize();
}
};
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 2, 0)
#if !defined(SOC_I2S_SUPPORTS_ADC) && !defined(SOC_I2S_SUPPORTS_ADC_DAC)
#warning this MCU does not support analog sound input