295 lines
8.5 KiB
C
295 lines
8.5 KiB
C
/**
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****************************************************************************************************
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* @file es8388.c
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* @author 正点原子团队(ALIENTEK)
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* @version V1.0
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* @date 2025-01-01
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* @brief ES8388驱动代码
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* @license Copyright (c) 2020-2032, 广州市星翼电子科技有限公司
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****************************************************************************************************
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* @attention
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*
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* 实验平台:正点原子 ESP32-S3 开发板
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* 在线视频:www.yuanzige.com
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* 技术论坛:www.openedv.com
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* 公司网址:www.alientek.com
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* 购买地址:openedv.taobao.com
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*
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****************************************************************************************************
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*/
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#include "es8388.h"
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const char* es8388_tag = "es8388";
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i2c_master_dev_handle_t es8388_handle = NULL;
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/**
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* @brief ES8388写寄存器
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* @param reg_addr:寄存器地址
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* @param data:写入的数据
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* @retval 无
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*/
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esp_err_t es8388_write_reg(uint8_t reg_addr, uint8_t data)
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{
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esp_err_t ret;
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uint8_t *buf = malloc(2);
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if (buf == NULL)
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{
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ESP_LOGE(es8388_tag, "%s memory failed", __func__);
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return ESP_ERR_NO_MEM; /* 分配内存失败 */
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}
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buf[0] = reg_addr;
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buf[1] = data; /* 拷贝数据至存储区当中 */
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do
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{
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i2c_master_bus_wait_all_done(bus_handle, 1000);
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ret = i2c_master_transmit(es8388_handle, buf, 2, 1000);
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} while (ret != ESP_OK);
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free(buf); /* 发送完成释放内存 */
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return ret;
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}
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/**
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* @brief ES8388读寄存器
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* @param reg_add:寄存器地址
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* @param p_data:读取的数据
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* @retval 无
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*/
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esp_err_t es8388_read_reg(uint8_t reg_addr, uint8_t *pdata)
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{
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uint8_t reg_data = 0;
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i2c_master_transmit_receive(es8388_handle, ®_addr, 1, ®_data, 1, -1);
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return reg_data;
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}
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/**
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* @brief ES8388初始化
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* @param 无
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* @retval 0,初始化正常
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* 其他,错误代码
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*/
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uint8_t es8388_init(void)
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{
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uint8_t ret_val = 0;
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/* 未调用myiic_init初始化IIC */
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if (bus_handle == NULL)
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{
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ESP_ERROR_CHECK(myiic_init());
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}
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i2c_device_config_t es8388_i2c_dev_conf = {
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.dev_addr_length = I2C_ADDR_BIT_LEN_7, /* 从机地址长度 */
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.scl_speed_hz = IIC_SPEED_CLK, /* 传输速率 */
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.device_address = ES8388_ADDR, /* 从机7位的地址 */
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};
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/* I2C总线上添加ES8388设备 */
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ESP_ERROR_CHECK(i2c_master_bus_add_device(bus_handle, &es8388_i2c_dev_conf, &es8388_handle));
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ESP_ERROR_CHECK(i2c_master_bus_wait_all_done(bus_handle,1000));
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ret_val |= es8388_write_reg(0, 0x80); /* 软复位ES8388 */
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ret_val |= es8388_write_reg(0, 0x00);
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vTaskDelay(pdMS_TO_TICKS(200)); /* 等待复位 */
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ret_val |= es8388_write_reg(0x01, 0x58);
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ret_val |= es8388_write_reg(0x01, 0x50);
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ret_val |= es8388_write_reg(0x02, 0xF3);
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ret_val |= es8388_write_reg(0x02, 0xF0);
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ret_val |= es8388_write_reg(0x03, 0x09); /* 麦克风偏置电源关闭 */
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ret_val |= es8388_write_reg(0x00, 0x06); /* 使能参考 500K驱动使能 */
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ret_val |= es8388_write_reg(0x04, 0x00); /* DAC电源管理，不打开任何通道 */
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ret_val |= es8388_write_reg(0x08, 0x00); /* MCLK不分频 */
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ret_val |= es8388_write_reg(0x2B, 0x80); /* DAC控制 DACLRC与ADCLRC相同 */
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ret_val |= es8388_write_reg(0x09, 0x88); /* ADC L/R PGA增益配置为+24dB */
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ret_val |= es8388_write_reg(0x0C, 0x4C); /* ADC数据选择为left data = left ADC, right data = left ADC 音频数据为16bit */
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ret_val |= es8388_write_reg(0x0D, 0x02); /* ADC配置 MCLK/采样率=256 */
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ret_val |= es8388_write_reg(0x10, 0x00); /* ADC数字音量控制将信号衰减 L 设置为最小！！！ */
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ret_val |= es8388_write_reg(0x11, 0x00); /* ADC数字音量控制将信号衰减 R 设置为最小！！！ */
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ret_val |= es8388_write_reg(0x17, 0x18); /* DAC音频数据为16bit */
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ret_val |= es8388_write_reg(0x18, 0x02); /* DAC配置 MCLK/采样率=256 */
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ret_val |= es8388_write_reg(0x1A, 0x00); /* DAC数字音量控制将信号衰减 L 设置为最小！！！ */
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ret_val |= es8388_write_reg(0x1B, 0x00); /* DAC数字音量控制将信号衰减 R 设置为最小！！！ */
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ret_val |= es8388_write_reg(0x27, 0xB8); /* L混频器 */
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ret_val |= es8388_write_reg(0x2A, 0xB8); /* R混频器 */
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vTaskDelay(pdMS_TO_TICKS(100));
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if (ret_val != ESP_OK)
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{
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ESP_LOGI(es8388_tag, "ES8388 fail");
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return 1;
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}
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else
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{
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ESP_LOGI(es8388_tag, "ES8388 success");
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vTaskDelay(pdMS_TO_TICKS(100));
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return 0;
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}
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es8388_adda_cfg(0, 0); /* 开启DAC关闭ADC */
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es8388_input_cfg(0); /* 关闭录音输入 */
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es8388_output_cfg(0, 0); /* DAC选择通道输出 */
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es8388_hpvol_set(0); /* 设置耳机音量 */
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es8388_spkvol_set(0); /* 设置喇叭音量 */
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return 0;
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}
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/**
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* @brief ES8388反初始化
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* @param 无
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* @retval 0,初始化正常
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* 其他,错误代码
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*/
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esp_err_t es8388_deinit(void)
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{
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return es8388_write_reg(0x02, 0xFF); /* 复位和暂停ES8388 */
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}
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/**
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* @brief 设置ES8388工作模式
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* @param fmt : 工作模式
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* @arg 0, 飞利浦标准I2S;
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* @arg 1, MSB(左对齐);
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* @arg 2, LSB(右对齐);
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* @arg 3, PCM/DSP
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* @param len : 数据长度
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* @arg 0, 24bit
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* @arg 1, 20bit
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* @arg 2, 18bit
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* @arg 3, 16bit
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* @arg 4, 32bit
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* @retval 无
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*/
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void es8388_i2s_cfg(uint8_t fmt, uint8_t len)
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{
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fmt &= 0x03;
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len &= 0x07; /* 限定范围 */
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es8388_write_reg(23, (fmt << 1) | (len << 3)); /* R23,ES8388工作模式设置 */
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}
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/**
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* @brief 设置耳机音量
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* @param volume : 音量大小(0 ~ 33)
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* @retval 无
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*/
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void es8388_hpvol_set(uint8_t volume)
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{
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if (volume > 33)
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{
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volume = 33;
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}
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es8388_write_reg(0x2E, volume);
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es8388_write_reg(0x2F, volume);
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}
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/**
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* @brief 设置喇叭音量
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* @param volume : 音量大小(0 ~ 33)
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* @retval 无
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*/
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void es8388_spkvol_set(uint8_t volume)
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{
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if (volume > 33)
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{
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volume = 33;
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}
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es8388_write_reg(0x30, volume);
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es8388_write_reg(0x31, volume);
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}
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/**
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* @brief 设置3D环绕声
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* @param depth : 0 ~ 7(3D强度,0关闭,7最强)
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* @retval 无
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*/
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void es8388_3d_set(uint8_t depth)
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{
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depth &= 0x7; /* 限定范围 */
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es8388_write_reg(0x1D, depth << 2); /* R7,3D环绕设置 */
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}
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/**
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* @brief ES8388 DAC/ADC配置
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* @param dacen : dac使能(1) / 关闭(0)
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* @param adcen : adc使能(1) / 关闭(0)
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* @retval 无
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*/
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void es8388_adda_cfg(uint8_t dacen, uint8_t adcen)
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{
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uint8_t tempreg = 0;
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tempreg |= !dacen << 0;
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tempreg |= !adcen << 1;
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tempreg |= !dacen << 2;
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tempreg |= !adcen << 3;
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es8388_write_reg(0x02, tempreg);
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}
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/**
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* @brief ES8388 DAC输出通道配置
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* @param o1en : 通道1使能(1)/禁止(0)
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* @param o2en : 通道2使能(1)/禁止(0)
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* @retval 无
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*/
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void es8388_output_cfg(uint8_t o1en, uint8_t o2en)
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{
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uint8_t tempreg = 0;
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tempreg |= o1en * (3 << 4);
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tempreg |= o2en * (3 << 2);
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es8388_write_reg(0x04, tempreg);
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}
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/**
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* @brief ES8388 MIC增益设置(MIC PGA增益)
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* @param gain : 0~8, 对应0~24dB 3dB/Step
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* @retval 无
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*/
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void es8388_mic_gain(uint8_t gain)
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{
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gain &= 0x0F;
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gain |= gain << 4;
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es8388_write_reg(0x09, gain); /* R9,左右通道PGA增益设置 */
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}
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/**
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* @brief ES8388 ALC设置
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* @param sel
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* @arg 0,关闭ALC
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* @arg 1,右通道ALC
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* @arg 2,左通道ALC
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* @arg 3,立体声ALC
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* @param maxgain : 0~7,对应-6.5~+35.5dB
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* @param minigain: 0~7,对应-12~+30dB 6dB/STEP
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* @retval 无
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*/
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void es8388_alc_ctrl(uint8_t sel, uint8_t maxgain, uint8_t mingain)
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{
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uint8_t tempreg = 0;
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tempreg = sel << 6;
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tempreg |= (maxgain & 0x07) << 3;
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tempreg |= mingain & 0x07;
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es8388_write_reg(0x12, tempreg); /* R18,ALC设置 */
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}
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/**
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* @brief ES8388 ADC输出通道配置
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* @param in : 输入通道
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* @arg 0, 通道1输入
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* @arg 1, 通道2输入
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* @retval 无
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*/
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void es8388_input_cfg(uint8_t in)
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{
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es8388_write_reg(0x0A, (5 * in) << 4); /* ADC1 输入通道选择L/R INPUT1 */
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}
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