Tasmota/lib/libesp32_audio/es8311/src/es8311.cpp

696 lines
24 KiB
C++

/*
* ESPRESSIF MIT License
*
* Copyright (c) 2019 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
*
* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
* it is free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifdef ESP32
#include <Wire.h>
#include <string.h>
#include "esp_log.h"
#include "es8311.h"
/*
* to define the clock soure of MCLK
*/
#define FROM_MCLK_PIN 0
#define FROM_SCLK_PIN 1
#define ES8311_MCLK_SOURCE FROM_MCLK_PIN
/*
* to define whether to reverse the clock
*/
#define INVERT_MCLK 0 // do not invert
#define INVERT_SCLK 0
#define IS_DMIC 0 // Is it a digital microphone
#define MCLK_DIV_FRE 256
static TwoWire *es8311_wire;
/*
* Clock coefficient structer
*/
struct _coeff_div {
uint32_t mclk; /* mclk frequency */
uint32_t rate; /* sample rate */
uint8_t pre_div; /* the pre divider with range from 1 to 8 */
uint8_t pre_multi; /* the pre multiplier with x1, x2, x4 and x8 selection */
uint8_t adc_div; /* adcclk divider */
uint8_t dac_div; /* dacclk divider */
uint8_t fs_mode; /* double speed or single speed, =0, ss, =1, ds */
uint8_t lrck_h; /* adclrck divider and daclrck divider */
uint8_t lrck_l;
uint8_t bclk_div; /* sclk divider */
uint8_t adc_osr; /* adc osr */
uint8_t dac_osr; /* dac osr */
};
/* codec hifi mclk clock divider coefficients */
static const struct _coeff_div coeff_div[] = {
//mclk rate pre_div mult adc_div dac_div fs_mode lrch lrcl bckdiv osr
/* 8k */
{12288000, 8000 , 0x06, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{18432000, 8000 , 0x03, 0x02, 0x03, 0x03, 0x00, 0x05, 0xff, 0x18, 0x10, 0x10},
{16384000, 8000 , 0x08, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{8192000 , 8000 , 0x04, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{6144000 , 8000 , 0x03, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{4096000 , 8000 , 0x02, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{3072000 , 8000 , 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{2048000 , 8000 , 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1536000 , 8000 , 0x03, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1024000 , 8000 , 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
/* 11.025k */
{11289600, 11025, 0x04, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{5644800 , 11025, 0x02, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{2822400 , 11025, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1411200 , 11025, 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
/* 12k */
{12288000, 12000, 0x04, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{6144000 , 12000, 0x02, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{3072000 , 12000, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1536000 , 12000, 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
/* 16k */
{12288000, 16000, 0x03, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{18432000, 16000, 0x03, 0x02, 0x03, 0x03, 0x00, 0x02, 0xff, 0x0c, 0x10, 0x10},
{16384000, 16000, 0x04, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{8192000 , 16000, 0x02, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{6144000 , 16000, 0x03, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{4096000 , 16000, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{3072000 , 16000, 0x03, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{2048000 , 16000, 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1536000 , 16000, 0x03, 0x08, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1024000 , 16000, 0x01, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
/* 22.05k */
{11289600, 22050, 0x02, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{5644800 , 22050, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{2822400 , 22050, 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1411200 , 22050, 0x01, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
/* 24k */
{12288000, 24000, 0x02, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{18432000, 24000, 0x03, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{6144000 , 24000, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{3072000 , 24000, 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1536000 , 24000, 0x01, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
/* 32k */
{12288000, 32000, 0x03, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{18432000, 32000, 0x03, 0x04, 0x03, 0x03, 0x00, 0x02, 0xff, 0x0c, 0x10, 0x10},
{16384000, 32000, 0x02, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{8192000 , 32000, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{6144000 , 32000, 0x03, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{4096000 , 32000, 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{3072000 , 32000, 0x03, 0x08, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{2048000 , 32000, 0x01, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1536000 , 32000, 0x03, 0x08, 0x01, 0x01, 0x01, 0x00, 0x7f, 0x02, 0x10, 0x10},
{1024000 , 32000, 0x01, 0x08, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
/* 44.1k */
{11289600, 44100, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{5644800 , 44100, 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{2822400 , 44100, 0x01, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1411200 , 44100, 0x01, 0x08, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
/* 48k */
{12288000, 48000, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{18432000, 48000, 0x03, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{6144000 , 48000, 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{3072000 , 48000, 0x01, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1536000 , 48000, 0x01, 0x08, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
/* 64k */
{12288000, 64000, 0x03, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{18432000, 64000, 0x03, 0x04, 0x03, 0x03, 0x01, 0x01, 0x7f, 0x06, 0x10, 0x10},
{16384000, 64000, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{8192000 , 64000, 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{6144000 , 64000, 0x01, 0x04, 0x03, 0x03, 0x01, 0x01, 0x7f, 0x06, 0x10, 0x10},
{4096000 , 64000, 0x01, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{3072000 , 64000, 0x01, 0x08, 0x03, 0x03, 0x01, 0x01, 0x7f, 0x06, 0x10, 0x10},
{2048000 , 64000, 0x01, 0x08, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1536000 , 64000, 0x01, 0x08, 0x01, 0x01, 0x01, 0x00, 0xbf, 0x03, 0x18, 0x18},
{1024000 , 64000, 0x01, 0x08, 0x01, 0x01, 0x01, 0x00, 0x7f, 0x02, 0x10, 0x10},
/* 88.2k */
{11289600, 88200, 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{5644800 , 88200, 0x01, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{2822400 , 88200, 0x01, 0x08, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1411200 , 88200, 0x01, 0x08, 0x01, 0x01, 0x01, 0x00, 0x7f, 0x02, 0x10, 0x10},
/* 96k */
{12288000, 96000, 0x01, 0x02, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{18432000, 96000, 0x03, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{6144000 , 96000, 0x01, 0x04, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{3072000 , 96000, 0x01, 0x08, 0x01, 0x01, 0x00, 0x00, 0xff, 0x04, 0x10, 0x10},
{1536000 , 96000, 0x01, 0x08, 0x01, 0x01, 0x01, 0x00, 0x7f, 0x02, 0x10, 0x10},
};
static const char *TAG = "DRV8311";
#define ES_ASSERT(a, format, b, ...) \
if ((a) != 0) { \
ESP_LOGE(TAG, format, ##__VA_ARGS__); \
return b;\
}
static esp_err_t es8311_write_reg(uint8_t reg_addr, uint8_t data)
{
//return i2c_bus_write_byte(i2c_handle, reg_addr, data);
es8311_wire->beginTransmission(ES8311_ADDR);
es8311_wire->write(reg_addr);
es8311_wire->write(data);
return es8311_wire->endTransmission();
}
static int es8311_read_reg(uint8_t reg_addr)
{
uint8_t data;
//i2c_bus_read_byte(i2c_handle, reg_addr, &data);
es8311_wire->beginTransmission(ES8311_ADDR);
es8311_wire->write(reg_addr);
es8311_wire->endTransmission(false);
es8311_wire->requestFrom(ES8311_ADDR, (size_t)1);
data = es8311_wire->read();
return (int)data;
}
/*
* look for the coefficient in coeff_div[] table
*/
static int get_coeff(uint32_t mclk, uint32_t rate)
{
for (int i = 0; i < (sizeof(coeff_div) / sizeof(coeff_div[0])); i++) {
if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
return i;
}
return -1;
}
/*
* set es8311 dac mute or not
* if mute = 0, dac un-mute
* if mute = 1, dac mute
*/
static void es8311_mute(int mute)
{
uint8_t regv;
regv = es8311_read_reg(ES8311_DAC_REG31) & 0x9f;
if (mute) {
es8311_write_reg(ES8311_SYSTEM_REG12, 0x02);
es8311_write_reg(ES8311_DAC_REG31, regv | 0x60);
es8311_write_reg(ES8311_DAC_REG32, 0x00);
es8311_write_reg(ES8311_DAC_REG37, 0x08);
} else {
es8311_write_reg(ES8311_DAC_REG31, regv);
es8311_write_reg(ES8311_SYSTEM_REG12, 0x00);
}
}
/*
* set es8311 into suspend mode
*/
static void es8311_suspend(void)
{
ESP_LOGI(TAG, "Enter into es8311_suspend()");
es8311_write_reg(ES8311_DAC_REG32, 0x00);
es8311_write_reg(ES8311_ADC_REG17, 0x00);
es8311_write_reg(ES8311_SYSTEM_REG0E, 0xFF);
es8311_write_reg(ES8311_SYSTEM_REG12, 0x02);
es8311_write_reg(ES8311_SYSTEM_REG14, 0x00);
es8311_write_reg(ES8311_SYSTEM_REG0D, 0xFA);
es8311_write_reg(ES8311_ADC_REG15, 0x00);
es8311_write_reg(ES8311_DAC_REG37, 0x08);
es8311_write_reg(ES8311_GP_REG45, 0x01);
}
esp_err_t es8311_codec_init(TwoWire *tw, audio_hal_codec_config_t *codec_cfg)
{
es8311_wire = tw;
uint8_t datmp, regv;
int coeff;
esp_err_t ret = ESP_OK;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG01, 0x30);
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG02, 0x00);
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG03, 0x10);
ret |= es8311_write_reg(ES8311_ADC_REG16, 0x24);
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG04, 0x10);
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG05, 0x00);
ret |= es8311_write_reg(ES8311_SYSTEM_REG0B, 0x00);
ret |= es8311_write_reg(ES8311_SYSTEM_REG0C, 0x00);
ret |= es8311_write_reg(ES8311_SYSTEM_REG10, 0x1F);
ret |= es8311_write_reg(ES8311_SYSTEM_REG11, 0x7F);
ret |= es8311_write_reg(ES8311_RESET_REG00, 0x80);
/*
* Set Codec into Master or Slave mode
*/
regv = es8311_read_reg(ES8311_RESET_REG00);
/*
* Set master/slave audio interface
*/
audio_hal_codec_i2s_iface_t *i2s_cfg = &(codec_cfg->i2s_iface);
switch (i2s_cfg->mode) {
case AUDIO_HAL_MODE_MASTER: /* MASTER MODE */
ESP_LOGI(TAG, "ES8311 in Master mode");
regv |= 0x40;
break;
case AUDIO_HAL_MODE_SLAVE: /* SLAVE MODE */
ESP_LOGI(TAG, "ES8311 in Slave mode");
regv &= 0xBF;
break;
default:
regv &= 0xBF;
}
ret |= es8311_write_reg(ES8311_RESET_REG00, regv);
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG01, 0x3F);
/*
* Select clock source for internal mclk
*/
int es8311_mclk_src = ES8311_MCLK_SOURCE;
switch (es8311_mclk_src) {
case FROM_MCLK_PIN:
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG01);
regv &= 0x7F;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG01, regv);
break;
case FROM_SCLK_PIN:
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG01);
regv |= 0x80;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG01, regv);
break;
default:
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG01);
regv &= 0x7F;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG01, regv);
break;
}
int sample_fre = 0;
int mclk_fre = 0;
switch (i2s_cfg->samples) {
case AUDIO_HAL_08K_SAMPLES:
sample_fre = 8000;
break;
case AUDIO_HAL_11K_SAMPLES:
sample_fre = 11025;
break;
case AUDIO_HAL_16K_SAMPLES:
sample_fre = 16000;
break;
case AUDIO_HAL_22K_SAMPLES:
sample_fre = 22050;
break;
case AUDIO_HAL_24K_SAMPLES:
sample_fre = 24000;
break;
case AUDIO_HAL_32K_SAMPLES:
sample_fre = 32000;
break;
case AUDIO_HAL_44K_SAMPLES:
sample_fre = 44100;
break;
case AUDIO_HAL_48K_SAMPLES:
sample_fre = 48000;
break;
default:
ESP_LOGE(TAG, "Unable to configure sample rate %dHz", sample_fre);
break;
}
mclk_fre = sample_fre * MCLK_DIV_FRE;
coeff = get_coeff(mclk_fre, sample_fre);
if (coeff < 0) {
ESP_LOGE(TAG, "Unable to configure sample rate %dHz with %dHz MCLK", sample_fre, mclk_fre);
return ESP_FAIL;
}
/*
* Set clock parammeters
*/
if (coeff >= 0) {
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG02) & 0x07;
regv |= (coeff_div[coeff].pre_div - 1) << 5;
datmp = 0;
switch (coeff_div[coeff].pre_multi) {
case 1:
datmp = 0;
break;
case 2:
datmp = 1;
break;
case 4:
datmp = 2;
break;
case 8:
datmp = 3;
break;
default:
break;
}
if (ES8311_MCLK_SOURCE == FROM_SCLK_PIN) {
datmp = 3; /* DIG_MCLK = LRCK * 256 = BCLK * 8 */
}
regv |= (datmp) << 3;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG02, regv);
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG05) & 0x00;
regv |= (coeff_div[coeff].adc_div - 1) << 4;
regv |= (coeff_div[coeff].dac_div - 1) << 0;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG05, regv);
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG03) & 0x80;
regv |= coeff_div[coeff].fs_mode << 6;
regv |= coeff_div[coeff].adc_osr << 0;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG03, regv);
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG04) & 0x80;
regv |= coeff_div[coeff].dac_osr << 0;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG04, regv);
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG07) & 0xC0;
regv |= coeff_div[coeff].lrck_h << 0;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG07, regv);
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG08) & 0x00;
regv |= coeff_div[coeff].lrck_l << 0;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG08, regv);
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG06) & 0xE0;
if (coeff_div[coeff].bclk_div < 19) {
regv |= (coeff_div[coeff].bclk_div - 1) << 0;
} else {
regv |= (coeff_div[coeff].bclk_div) << 0;
}
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG06, regv);
}
/*
* mclk inverted or not
*/
if (INVERT_MCLK) {
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG01);
regv |= 0x40;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG01, regv);
} else {
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG01);
regv &= ~(0x40);
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG01, regv);
}
/*
* sclk inverted or not
*/
if (INVERT_SCLK) {
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG06);
regv |= 0x20;
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG06, regv);
} else {
regv = es8311_read_reg(ES8311_CLK_MANAGER_REG06);
regv &= ~(0x20);
ret |= es8311_write_reg(ES8311_CLK_MANAGER_REG06, regv);
}
ret |= es8311_write_reg(ES8311_SYSTEM_REG13, 0x10);
ret |= es8311_write_reg(ES8311_ADC_REG1B, 0x0A);
ret |= es8311_write_reg(ES8311_ADC_REG1C, 0x6A);
return ESP_OK;
}
esp_err_t es8311_codec_deinit()
{
// i2c_bus_delete(i2c_handle);
return ESP_OK;
}
esp_err_t es8311_config_fmt(es_i2s_fmt_t fmt)
{
esp_err_t ret = ESP_OK;
uint8_t adc_iface = 0, dac_iface = 0;
dac_iface = es8311_read_reg(ES8311_SDPIN_REG09);
adc_iface = es8311_read_reg(ES8311_SDPOUT_REG0A);
switch (fmt) {
case AUDIO_HAL_I2S_NORMAL:
ESP_LOGD(TAG, "ES8311 in I2S Format");
dac_iface &= 0xFC;
adc_iface &= 0xFC;
break;
case AUDIO_HAL_I2S_LEFT:
case AUDIO_HAL_I2S_RIGHT:
ESP_LOGD(TAG, "ES8311 in LJ Format");
adc_iface &= 0xFC;
dac_iface &= 0xFC;
adc_iface |= 0x01;
dac_iface |= 0x01;
break;
case AUDIO_HAL_I2S_DSP:
ESP_LOGD(TAG, "ES8311 in DSP-B Format");
adc_iface &= 0xDC;
dac_iface &= 0xDC;
adc_iface |= 0x23;
dac_iface |= 0x23;
break;
default:
dac_iface &= 0xFC;
adc_iface &= 0xFC;
break;
}
ret |= es8311_write_reg(ES8311_SDPIN_REG09, dac_iface);
ret |= es8311_write_reg(ES8311_SDPOUT_REG0A, adc_iface);
return ret;
}
esp_err_t es8311_set_bits_per_sample(audio_hal_iface_bits_t bits)
{
esp_err_t ret = ESP_OK;
uint8_t adc_iface = 0, dac_iface = 0;
dac_iface = es8311_read_reg(ES8311_SDPIN_REG09);
adc_iface = es8311_read_reg(ES8311_SDPOUT_REG0A);
switch (bits) {
case AUDIO_HAL_BIT_LENGTH_16BITS:
dac_iface |= 0x0c;
adc_iface |= 0x0c;
break;
case AUDIO_HAL_BIT_LENGTH_24BITS:
break;
case AUDIO_HAL_BIT_LENGTH_32BITS:
dac_iface |= 0x10;
adc_iface |= 0x10;
break;
default:
dac_iface |= 0x0c;
adc_iface |= 0x0c;
break;
}
ret |= es8311_write_reg(ES8311_SDPIN_REG09, dac_iface);
ret |= es8311_write_reg(ES8311_SDPOUT_REG0A, adc_iface);
return ret;
}
esp_err_t es8311_codec_config_i2s(audio_hal_codec_mode_t mode, audio_hal_codec_i2s_iface_t *iface)
{
int ret = ESP_OK;
ret |= es8311_set_bits_per_sample(iface->bits);
ret |= es8311_config_fmt((es_i2s_fmt_t)iface->fmt);
return ret;
}
esp_err_t es8311_codec_ctrl_state(audio_hal_codec_mode_t mode, audio_hal_ctrl_t ctrl_state)
{
esp_err_t ret = ESP_OK;
es_module_t es_mode = ES_MODULE_MIN;
switch (mode) {
case AUDIO_HAL_CODEC_MODE_ENCODE:
es_mode = ES_MODULE_ADC;
break;
case AUDIO_HAL_CODEC_MODE_LINE_IN:
es_mode = ES_MODULE_LINE;
break;
case AUDIO_HAL_CODEC_MODE_DECODE:
es_mode = ES_MODULE_DAC;
break;
case AUDIO_HAL_CODEC_MODE_BOTH:
es_mode = ES_MODULE_ADC_DAC;
break;
default:
es_mode = ES_MODULE_DAC;
ESP_LOGW(TAG, "Codec mode not support, default is decode mode");
break;
}
if (ctrl_state == AUDIO_HAL_CTRL_START) {
ret |= es8311_start(es_mode);
} else {
ESP_LOGW(TAG, "The codec is about to stop");
ret |= es8311_stop(es_mode);
}
return ret;
}
esp_err_t es8311_start(es_module_t mode)
{
esp_err_t ret = ESP_OK;
uint8_t adc_iface = 0, dac_iface = 0;
dac_iface = es8311_read_reg(ES8311_SDPIN_REG09) & 0xBF;
adc_iface = es8311_read_reg(ES8311_SDPOUT_REG0A) & 0xBF;
adc_iface |= BIT(6);
dac_iface |= BIT(6);
if (mode == ES_MODULE_LINE) {
ESP_LOGE(TAG, "The codec es8311 doesn't support ES_MODULE_LINE mode");
return ESP_FAIL;
}
if (mode == ES_MODULE_ADC || mode == ES_MODULE_ADC_DAC) {
adc_iface &= ~(BIT(6));
}
if (mode == ES_MODULE_DAC || mode == ES_MODULE_ADC_DAC) {
dac_iface &= ~(BIT(6));
}
ret |= es8311_write_reg(ES8311_SDPIN_REG09, dac_iface);
ret |= es8311_write_reg(ES8311_SDPOUT_REG0A, adc_iface);
ret |= es8311_write_reg(ES8311_ADC_REG17, 0xBF);
ret |= es8311_write_reg(ES8311_SYSTEM_REG0E, 0x02);
ret |= es8311_write_reg(ES8311_SYSTEM_REG12, 0x00);
ret |= es8311_write_reg(ES8311_SYSTEM_REG14, 0x1A);
/*
* pdm dmic enable or disable
*/
int regv = 0;
if (IS_DMIC) {
regv = es8311_read_reg(ES8311_SYSTEM_REG14);
regv |= 0x40;
ret |= es8311_write_reg(ES8311_SYSTEM_REG14, regv);
} else {
regv = es8311_read_reg(ES8311_SYSTEM_REG14);
regv &= ~(0x40);
ret |= es8311_write_reg(ES8311_SYSTEM_REG14, regv);
}
ret |= es8311_write_reg(ES8311_SYSTEM_REG0D, 0x01);
ret |= es8311_write_reg(ES8311_ADC_REG15, 0x40);
ret |= es8311_write_reg(ES8311_DAC_REG37, 0x48);
ret |= es8311_write_reg(ES8311_GP_REG45, 0x00);
return ret;
}
esp_err_t es8311_stop(es_module_t mode)
{
esp_err_t ret = ESP_OK;
es8311_suspend();
return ret;
}
esp_err_t es8311_codec_set_voice_volume(int volume)
{
esp_err_t res = ESP_OK;
if (volume < 0) {
volume = 0;
} else if (volume > 100) {
volume = 100;
}
int vol = (volume) * 2550 / 1000;
ESP_LOGD(TAG, "SET: volume:%d", vol);
es8311_write_reg(ES8311_DAC_REG32, vol);
return res;
}
esp_err_t es8311_codec_get_voice_volume(int *volume)
{
esp_err_t res = ESP_OK;
int regv = 0;
regv = es8311_read_reg(ES8311_DAC_REG32);
if (regv == ESP_FAIL) {
*volume = 0;
res = ESP_FAIL;
} else {
*volume = regv * 100 / 256;
}
ESP_LOGD(TAG, "GET: res:%d, volume:%d", regv, *volume);
return res;
}
esp_err_t es8311_set_voice_mute(bool enable)
{
ESP_LOGD(TAG, "Es8311SetVoiceMute volume:%d", enable);
es8311_mute(enable);
return ESP_OK;
}
esp_err_t es8311_get_voice_mute(int *mute)
{
esp_err_t res = ESP_OK;
uint8_t reg = 0;
res = es8311_read_reg(ES8311_DAC_REG31);
if (res != ESP_FAIL) {
reg = (res & 0x20) >> 5;
}
*mute = reg;
return res;
}
esp_err_t es8311_set_mic_gain(es8311_mic_gain_t gain_db)
{
esp_err_t res = ESP_OK;
res = es8311_write_reg(ES8311_ADC_REG16, gain_db); // MIC gain scale
return res;
}
void es8311_read_all()
{
for (int i = 0; i < 0x4A; i++) {
uint8_t reg = es8311_read_reg(i);
ets_printf("REG:%02x, %02x\n", reg, i);
}
}
esp_err_t es8311_set_channel(int is_right)
{
uint8_t reg_val = es8311_read_reg(ES8311_SDPIN_REG09);
if (is_right) {
reg_val |= 0b10000000;
} else {
reg_val &= 0b01111111;
}
return es8311_write_reg(ES8311_SDPIN_REG09, reg_val);
}
#endif