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esp32: extract btstack_audio_esp32_es8388_initialized

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This commit is contained in:
Matthias Ringwald 2021-12-27 19:17:27 +01:00
parent c3492fad84
commit 3cf75f39dc
1 changed files with 26 additions and 20 deletions
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46
port/esp32/components/btstack/btstack_audio_esp32.c
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@ -58,19 +58,8 @@
#include "driver/i2c.h"
#include "driver/gpio.h"
#include "es8388.h"
#define IIC_DATA (GPIO_NUM_18)
#define IIC_CLK (GPIO_NUM_23)
static es8388_config_t es8388_i2c_cfg = AUDIO_CODEC_ES8388_DEFAULT();
static void set_i2s0_mclk(void)
{
PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0_CLK_OUT1);
WRITE_PERI_REG(PIN_CTRL, 0xFFF0);
}
#endif
#define DRIVER_POLL_INTERVAL_MS 5
@ -78,7 +67,6 @@ static void set_i2s0_mclk(void)
#define DMA_BUFFER_SAMPLES 300
#define BYTES_PER_SAMPLE_STEREO 4
static int num_channels;
static int bytes_per_sample;
@ -96,6 +84,30 @@ static int i2s_num = I2S_NUM_0;
static int sink_streaming;
#ifdef CONFIG_ESP_LYRAT_V4_3_BOARD
static es8388_config_t es8388_i2c_cfg = AUDIO_CODEC_ES8388_DEFAULT();
static bool btstack_audio_esp32_es8388_initialized;
static void btstack_audio_esp32_set_i2s0_mclk(void)
{
PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0_CLK_OUT1);
WRITE_PERI_REG(PIN_CTRL, 0xFFF0);
}
void btstack_audio_esp32_es8388_init(void){
if (btstack_audio_esp32_es8388_initialized) return;
btstack_audio_esp32_es8388_initialized = true;
es8388_init(&es8388_i2c_cfg);
es8388_config_fmt(ES_MODULE_ADC_DAC, ES_I2S_NORMAL);
es8388_set_bits_per_sample(ES_MODULE_ADC_DAC, BIT_LENGTH_16BITS);
es8388_start(ES_MODULE_ADC_DAC);
es8388_set_volume(70);
es8388_set_mute(false);
}
#endif
static void fill_buffer(void){
size_t bytes_written;
uint8_t buffer[DMA_BUFFER_SAMPLES * BYTES_PER_SAMPLE_STEREO];
@ -162,20 +174,14 @@ static int btstack_audio_esp32_sink_init(
#endif
#ifdef CONFIG_ESP_LYRAT_V4_3_BOARD
set_i2s0_mclk();
btstack_audio_esp32_set_i2s0_mclk();
#endif
i2s_driver_install(i2s_num, &config, DMA_BUFFER_COUNT, &i2s_event_queue);
i2s_set_pin(i2s_num, &pins);
i2s_zero_dma_buffer(i2s_num);
#ifdef CONFIG_ESP_LYRAT_V4_3_BOARD
es8388_init(&es8388_i2c_cfg);
es8388_config_fmt(ES_MODULE_ADC_DAC, ES_I2S_NORMAL);
es8388_set_bits_per_sample(ES_MODULE_ADC_DAC, BIT_LENGTH_16BITS);
es8388_set_volume(70);
es8388_start(ES_MODULE_ADC_DAC);
es8388_set_mute(false);
btstack_audio_esp32_es8388_init();
#endif
return 0;