我用I2S_es8311这个示例时发现，扬声器有时候能够播放音乐有时候不能
我只修改了示例代码中的io口，和给PA的使能的GPIO
以下是代码
/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Iden
tifier: CC0-1.0
*/
#include
#include
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/i2s_std.h"
#include "esp_system.h"
#include "esp_check.h"
#include "es8311.h"
/* I2C port and GPIOs */
#define I2C_NUM (0)
#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32H2
#define I2C_SCL_IO (GPIO_NUM_6)
#define I2C_SDA_IO (GPIO_NUM_7)
#else
#define I2C_SCL_IO (GPIO_NUM_18)
#define I2C_SDA_IO (GPIO_NUM_17)
#endif
/* I2S port and GPIOs */
#define I2S_NUM (0)
#define I2S_MCK_IO (GPIO_NUM_16)
#define I2S_BCK_IO (GPIO_NUM_9)
#define I2S_WS_IO (GPIO_NUM_45)
#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32H2
#define I2S_DO_IO (GPIO_NUM_2)
#define I2S_DI_IO (GPIO_NUM_3)
#else
#define I2S_DO_IO (GPIO_NUM_8)
#define I2S_DI_IO (GPIO_NUM_NC)
#endif
/* Example configurations */
#define EXAMPLE_RECV_BUF_SIZE (2400)
#define EXAMPLE_SAMPLE_RATE (16000)//(48000)
#define EXAMPLE_MCLK_MULTIPLE (384) // If not using 24-bit data width, 256 should be enough
#define EXAMPLE_MCLK_FREQ_HZ (EXAMPLE_SAMPLE_RATE * EXAMPLE_MCLK_MULTIPLE)
#define EXAMPLE_VOICE_VOLUME 70//CONFIG_EXAMPLE_VOICE_VOLUME
#if CONFIG_EXAMPLE_MODE_ECHO
#define EXAMPLE_MIC_GAIN CONFIG_EXAMPLE_MIC_GAIN
#endif
static const char *TAG = "i2s_es8311";
static const char err_reason[][30] = {"input param is invalid",
"operation timeout"
};
static i2s_chan_handle_t tx_handle = NULL;
static i2s_chan_handle_t rx_handle = NULL;
/* Import music file as buffer */
#if CONFIG_EXAMPLE_MODE_MUSIC
extern const uint8_t music_pcm_start[] asm("_binary_canon_pcm_start");
extern const uint8_t music_pcm_end[] asm("_binary_canon_pcm_end");
#endif
static esp_err_t es8311_codec_init(void)
{
/* Initialize I2C peripheral */
i2c_config_t es_i2c_cfg = {
.sda_io_num = I2C_SDA_IO,
.scl_io_num = I2C_SCL_IO,
.mode = I2C_MODE_MASTER,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = 100000,
};
ESP_RETURN_ON_ERROR(i2c_param_config(I2C_NUM, &es_i2c_cfg), TAG, "config i2c failed");
ESP_RETURN_ON_ERROR(i2c_driver_install(I2C_NUM, I2C_MODE_MASTER, 0, 0, 0), TAG, "install i2c driver failed");
/* Initialize es8311 codec */
es8311_handle_t es_handle = es8311_create(I2C_NUM, ES8311_ADDRRES_0);
ESP_RETURN_ON_FALSE(es_handle, ESP_FAIL, TAG, "es8311 create failed");
es8311_clock_config_t es_clk = {
.mclk_inverted = false,
.sclk_inverted = false,
.mclk_from_mclk_pin = true,
.mclk_frequency = EXAMPLE_MCLK_FREQ_HZ,
.sample_frequency = EXAMPLE_SAMPLE_RATE
};
ESP_ERROR_CHECK(es8311_init(es_handle, &es_clk, ES8311_RESOLUTION_16, ES8311_RESOLUTION_16));
ESP_RETURN_ON_ERROR(es8311_sample_frequency_config(es_handle, EXAMPLE_SAMPLE_RATE * EXAMPLE_MCLK_MULTIPLE, EXAMPLE_SAMPLE_RATE), TAG, "set es8311 sample frequency failed");
ESP_RETURN_ON_ERROR(es8311_voice_volume_set(es_handle, EXAMPLE_VOICE_VOLUME, NULL), TAG, "set es8311 volume failed");
ESP_RETURN_ON_ERROR(es8311_microphone_config(es_handle, false), TAG, "set es8311 microphone failed");
#if CONFIG_EXAMPLE_MODE_ECHO
ESP_RETURN_ON_ERROR(es8311_microphone_gain_set(es_handle, EXAMPLE_MIC_GAIN), TAG, "set es8311 microphone gain faield");
#endif
return ESP_OK;
}
static esp_err_t i2s_driver_init(void)
{
i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM, I2S_ROLE_MASTER);
chan_cfg.auto_clear = true; // Auto clear the legacy data in the DMA buffer
ESP_ERROR_CHECK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle));
i2s_std_config_t std_cfg = {
.clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(EXAMPLE_SAMPLE_RATE),
.slot_cfg = I2S_STD_PHILIPS_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO),
.gpio_cfg = {
.mclk = I2S_MCK_IO,
.bclk = I2S_BCK_IO,
.ws = I2S_WS_IO,
.dout = I2S_DO_IO,
.din = I2S_DI_IO,
.invert_flags = {
.mclk_inv = false,
.bclk_inv = false,
.ws_inv = false,
},
},
};
std_cfg.clk_cfg.mclk_multiple = EXAMPLE_MCLK_MULTIPLE;
ESP_ERROR_CHECK(i2s_channel_init_std_mode(tx_handle, &std_cfg));
ESP_ERROR_CHECK(i2s_channel_init_std_mode(rx_handle, &std_cfg));
ESP_ERROR_CHECK(i2s_channel_enable(tx_handle));
ESP_ERROR_CHECK(i2s_channel_enable(rx_handle));
return ESP_OK;
}
#if CONFIG_EXAMPLE_MODE_MUSIC
static void i2s_music(void *args)
{
esp_err_t ret = ESP_OK;
size_t bytes_write = 0;
while (1) {
vTaskDelay(500 / portTICK_PERIOD_MS);
/* Write music to earphone */
ret = i2s_channel_write(tx_handle, music_pcm_start, music_pcm_end - music_pcm_start, &bytes_write, portMAX_DELAY);
if (ret != ESP_OK) {
/* Since we set timeout to 'portMAX_DELAY' in 'i2s_channel_write'
so you won't reach here unless you set other timeout value,
if timeout detected, it means write operation failed. */
ESP_LOGE(TAG, "[music] i2s write failed, %s", err_reason[ret == ESP_ERR_TIMEOUT]);
abort();
}
if (bytes_write > 0) {
ESP_LOGI(TAG, "[music] i2s music played, %d bytes are written.", bytes_write);
} else {
ESP_LOGE(TAG, "[music] i2s music play falied.");
abort();
}
vTaskDelay(500 / portTICK_PERIOD_MS);
}
vTaskDelete(NULL);
}
#else
static void i2s_echo(void *args)
{
int *mic_data = malloc(EXAMPLE_RECV_BUF_SIZE);
if (!mic_data) {
ESP_LOGE(TAG, "[echo] No memory for read data buffer");
abort();
}
esp_err_t ret = ESP_OK;
size_t bytes_read = 0;
size_t bytes_write = 0;
ESP_LOGI(TAG, "[echo] Echo start");
while (1) {
memset(mic_data, 0, EXAMPLE_RECV_BUF_SIZE);
/* Read sample data from mic */
ret = i2s_channel_read(rx_handle, mic_data, EXAMPLE_RECV_BUF_SIZE, &bytes_read, 1000);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "[echo] i2s read failed, %s", err_reason[ret == ESP_ERR_TIMEOUT]);
abort();
}
/* Write sample data to earphone */
ret = i2s_channel_write(tx_handle, mic_data, EXAMPLE_RECV_BUF_SIZE, &bytes_write, 1000);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "[echo] i2s write failed, %s", err_reason[ret == ESP_ERR_TIMEOUT]);
abort();
}
if (bytes_read != bytes_write) {
ESP_LOGW(TAG, "[echo] %d bytes read but only %d bytes are written", bytes_read, bytes_write);
}
}
vTaskDelete(NULL);
}
#endif
void PA_CTRL(void)
{
ESP_LOGI(TAG, "configured PA_CTRL_gpio");
gpio_reset_pin(GPIO_NUM_48);
gpio_set_direction(GPIO_NUM_48,GPIO_MODE_OUTPUT);
gpio_set_level(GPIO_NUM_48, 1);
}
void app_main(void)
{
vTaskDelay(2000 / portTICK_PERIOD_MS);
printf("i2s es8311 codec example startn-----------------------------n");
/* Initialize i2s peripheral */
if (i2s_driver_init() != ESP_OK) {
ESP_LOGE(TAG, "i2s driver init failed");
abort();
} else {
ESP_LOGI(TAG, "i2s driver init success");
}
/* Initialize i2c peripheral and config es8311 codec by i2c */
if (es8311_codec_init() != ESP_OK) {
ESP_LOGE(TAG, "es8311 codec init failed");
abort();
} else {
ESP_LOGI(TAG, "es8311 codec init success");
}
#if CONFIG_EXAMPLE_MODE_MUSIC
/* Play a piece of music in music mode */
ESP_LOGI(TAG, "set PA_CTRL 1");
PA_CTRL();
vTaskDelay(1000 / portTICK_PERIOD_MS);
xTaskCreate(i2s_music, "i2s_music", 4096, NULL, 5, NULL);
#else
/* Echo the sound from MIC in echo mode */
xTaskCreate(i2s_echo, "i2s_echo", 8192, NULL, 5, NULL);
#endif
}
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