mirror of
https://github.com/sle118/squeezelite-esp32.git
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1a2de11e92
Conflicts: README.md components/config/config.c components/driver_bt/bt_app_sink.c components/raop/raop.c components/services/audio_controls.c main/platform_esp32.h
58 lines
2.0 KiB
C
58 lines
2.0 KiB
C
/*
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* Squeezelite for esp32
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*
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* (c) Sebastien 2019
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* Philippe G. 2019, philippe_44@outlook.com
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*
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* This software is released under the MIT License.
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* https://opensource.org/licenses/MIT
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*
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*/
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#include <freertos/FreeRTOS.h>
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#include <freertos/task.h>
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#include <driver/i2s.h>
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#include "esp_log.h"
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#include "platform_config.h"
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#include "adac.h"
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static bool init(int i2c_port_num, int i2s_num, i2s_config_t *config);
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static void deinit(void) { };
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static void speaker(bool active) { };
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static void headset(bool active) { } ;
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static void volume(unsigned left, unsigned right) { };
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static void power(adac_power_e mode) { };
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struct adac_s dac_external = { init, deinit, power, speaker, headset, volume };
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static char TAG[] = "DAC external";
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static bool init(int i2c_port_num, int i2s_num, i2s_config_t *config) {
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i2s_pin_config_t i2s_pin_config = (i2s_pin_config_t) { .bck_io_num = CONFIG_I2S_BCK_IO, .ws_io_num = CONFIG_I2S_WS_IO,
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.data_out_num = CONFIG_I2S_DO_IO, .data_in_num = CONFIG_I2S_DI_IO };
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char *nvs_item = config_alloc_get(NVS_TYPE_STR, "dac_config");
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if (nvs_item) {
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char *p;
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if ((p = strcasestr(nvs_item, "bck")) != NULL) i2s_pin_config.bck_io_num = atoi(strchr(p, '=') + 1);
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if ((p = strcasestr(nvs_item, "ws")) != NULL) i2s_pin_config.ws_io_num = atoi(strchr(p, '=') + 1);
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if ((p = strcasestr(nvs_item, "do")) != NULL) i2s_pin_config.data_out_num = atoi(strchr(p, '=') + 1);
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free(nvs_item);
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}
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if (i2s_pin_config.bck_io_num != -1 && i2s_pin_config.ws_io_num != -1 && i2s_pin_config.data_out_num != -1) {
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i2s_driver_install(i2s_num, config, 0, NULL);
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i2s_set_pin(i2s_num, &i2s_pin_config);
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ESP_LOGI(TAG, "External DAC using I2S bck:%u, ws:%u, do:%u", i2s_pin_config.bck_io_num, i2s_pin_config.ws_io_num, i2s_pin_config.data_out_num);
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return true;
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} else {
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ESP_LOGI(TAG, "Cannot initialize I2S for DAC bck:%d ws:%d do:%d", i2s_pin_config.bck_io_num,
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i2s_pin_config.ws_io_num,
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i2s_pin_config.data_out_num);
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return false;
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}
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}
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