162 lines
4.6 KiB
C++
162 lines
4.6 KiB
C++
/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2021 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
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*
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* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifdef ESP32
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#include <Wire.h>
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#include <freertos/FreeRTOS.h>
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#include "string.h"
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#include "esp_log.h"
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#include "rom/ets_sys.h"
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#include "es8156.h"
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/*
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typedef struct {
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int mck_io_num; //!< MCK in out pin
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int bck_io_num; //!< BCK in out pin
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int ws_io_num; //!< WS in out pin
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int data_out_num; //!< DATA out pin
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int data_in_num; //!< DATA in pin
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} i2s_pin_config_t;
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*/
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static const char *TAG = "es8156";
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static TwoWire *es8156_wire;
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static esp_err_t es8156_write_reg(uint8_t reg_addr, uint8_t data)
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{
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es8156_wire->beginTransmission(ES8156_ADDR);
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es8156_wire->write(reg_addr);
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es8156_wire->write(data);
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es8156_wire->endTransmission();
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return 0;
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}
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static uint8_t es8156_read_reg(uint8_t reg_addr)
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{
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uint8_t data;
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es8156_wire->beginTransmission(ES8156_ADDR);
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es8156_wire->write(reg_addr);
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es8156_wire->endTransmission(false);
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es8156_wire->requestFrom(ES8156_ADDR, (size_t)1);
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data = es8156_wire->read();
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//i2c_bus_read_byte(i2c_handle, reg_addr, &data);
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return data;
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}
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esp_err_t es8156_codec_init(TwoWire *tw, audio_hal_codec_config_t *cfg)
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{
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es8156_wire = tw;
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esp_err_t ret_val = ESP_OK;
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//ret_val |= bsp_i2c_add_device(&i2c_handle, ES8156_ADDR);
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uint8_t misc_ctrl_reg_val = 0x00;
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uint8_t dac_iface_reg_val = 0x00;
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if (AUDIO_HAL_MODE_MASTER == cfg->i2s_iface.mode) {
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misc_ctrl_reg_val |= 0b00100000;
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} else {
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misc_ctrl_reg_val |= 0b00000000;
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}
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switch (cfg->i2s_iface.bits) {
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case AUDIO_HAL_BIT_LENGTH_16BITS:
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dac_iface_reg_val |= 0b00110000;
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break;
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case AUDIO_HAL_BIT_LENGTH_24BITS:
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dac_iface_reg_val |= 0b00000000;
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break;
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case AUDIO_HAL_BIT_LENGTH_32BITS:
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dac_iface_reg_val |= 0b01000000;
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break;
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default: /* Use 32 bit as default */
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dac_iface_reg_val |= 0b01000000;
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break;
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}
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ret_val |= es8156_write_reg(0x09, misc_ctrl_reg_val); // MCLK from pad, Slave mode, power down DLL, enable pin pull up
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ret_val |= es8156_write_reg(0x11, dac_iface_reg_val); // DAC Interface Config
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ret_val |= es8156_write_reg(0x14, ES8156_VOL_MIN_3dB); // Set default volume to 0dB
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return ret_val;
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}
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esp_err_t es8156_codec_deinit(void)
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{
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return ESP_ERR_NOT_SUPPORTED;
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}
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esp_err_t es8156_codec_set_voice_mute(bool enable)
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{
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int regv = es8156_read_reg(ES8156_DAC_MUTE_REG13);
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if (enable) {
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regv = regv | BIT(1) | BIT(2);
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} else {
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regv = regv & (~(BIT(1) | BIT(2))) ;
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}
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es8156_write_reg(ES8156_DAC_MUTE_REG13, regv);
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return ESP_OK;
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}
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esp_err_t es8156_codec_set_voice_volume(uint8_t volume)
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{
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if (volume > 100) {
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volume = 100;
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}
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uint8_t d = 0xBF - 60 + 6 * volume / 10;
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if (0 == volume) {
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d = 0;
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}
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return es8156_write_reg(ES8156_VOLUME_CONTROL_REG14, d);
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}
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esp_err_t es8156_codec_get_voice_volume(uint8_t *volume)
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{
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*volume = es8156_read_reg(ES8156_VOLUME_CONTROL_REG14);
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return ESP_OK;
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}
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esp_err_t es8156_config_fmt(es_i2s_fmt_t fmt)
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{
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ESP_LOGW(TAG, "Not support config format for es8156 now");
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return ESP_ERR_NOT_SUPPORTED;
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}
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esp_err_t es8156_set_channel(uint8_t is_right)
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{
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uint8_t reg = es8156_read_reg(ES8156_DAC_SDP_REG11);
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if (is_right) {
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reg |= 0b00000100;
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} else {
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reg &= 0b11111011;
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}
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return es8156_write_reg(ES8156_DAC_SDP_REG11, reg);
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}
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#endif
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