Files
snapclient/components/custom_board/max98357/max98357.c
CarlosDerSeher fae271186c Sync with sample stuffing (#69)
* upgrade to IDF v5.1.1
* add new synchronization implementation, use sample stuffing / removal to keep up sync
* use big DMA buffer for I2S and improve sync
* Add DAC TAS5805M as custom board
* add wifi credential reset
  o press reset button (nRESET pin) 3 times
    but wait about 1s between button presses
    the button press counter is reset 5s after boot
* Add support for PT8211 DAC (#78)
* upgrade ethernet interface to IDF v5 (#84)
* port official example of ethernet for IDF v5.x
* Fix cmake if guard for ethernet

Signed-off-by: Karl Osterseher <karli_o@gmx.at>
Co-authored-by: DerPicknicker <64746593+DerPicknicker@users.noreply.github.com>
Co-authored-by: whc2001 <ianwang0122@outlook.com>
2024-05-31 20:38:09 +02:00

80 lines
2.2 KiB
C

/*
* Analog Devices MAX98357 audio hal
*
* Mostly stubs (no I2C or volume control)
* Configuration of mute/unmute gpio in init (connected to XSMT)
*/
#include "max98357.h"
#include <driver/gpio.h>
#include "board.h"
#include "esp_log.h"
static const char *TAG = "MAX98357";
esp_err_t max98357_ctrl(audio_hal_codec_mode_t mode,
audio_hal_ctrl_t ctrl_state);
esp_err_t max98357_config_iface(audio_hal_codec_mode_t mode,
audio_hal_codec_i2s_iface_t *iface);
audio_hal_func_t AUDIO_CODEC_MAX98357_DEFAULT_HANDLE = {
.audio_codec_initialize = max98357_init,
.audio_codec_deinitialize = max98357_deinit,
.audio_codec_ctrl = max98357_ctrl,
.audio_codec_config_iface = max98357_config_iface,
.audio_codec_set_mute = max98357_set_mute,
.audio_codec_set_volume = max98357_set_volume,
.audio_codec_get_volume = max98357_get_volume,
.audio_hal_lock = NULL,
.handle = NULL,
};
esp_err_t max98357_init(audio_hal_codec_config_t *codec_cfg) {
esp_err_t ret;
gpio_config_t io_conf;
io_conf.intr_type = GPIO_INTR_DISABLE;
io_conf.mode = GPIO_MODE_OUTPUT;
io_conf.pin_bit_mask = (1ULL << CONFIG_MAX98357_MUTE_PIN);
io_conf.pull_down_en = 0;
io_conf.pull_up_en = 0;
ret = gpio_config(&io_conf);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "Mute gpio config failed for pin %d",
CONFIG_MAX98357_MUTE_PIN);
} else {
gpio_set_level(CONFIG_MAX98357_MUTE_PIN, 0);
ESP_LOGD(TAG, "Setup mute (SD) output %d\n", CONFIG_MAX98357_MUTE_PIN);
}
return ret;
}
esp_err_t max98357_set_volume(int vol) { return ESP_OK; }
esp_err_t max98357_get_volume(int *value) { return ESP_OK; }
esp_err_t max98357_set_mute(bool enable) {
return gpio_set_level(CONFIG_MAX98357_MUTE_PIN, enable ? 0 : 1);
}
esp_err_t max98357_get_mute(bool *enabled) { return ESP_OK; }
esp_err_t max98357_deinit(void) {
return gpio_reset_pin(CONFIG_MAX98357_MUTE_PIN);
}
esp_err_t max98357_ctrl(audio_hal_codec_mode_t mode,
audio_hal_ctrl_t ctrl_state) {
return ESP_OK;
}
esp_err_t max98357_config_iface(audio_hal_codec_mode_t mode,
audio_hal_codec_i2s_iface_t *iface) {
return ESP_OK;
}