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refactor DAC handling

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This commit is contained in:
Philippe G
2020-08-01 19:31:58 -07:00
parent 77e8c29936
commit 9fd792cf98
12 changed files with 183 additions and 187 deletions
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36
components/squeezelite/external/dac_external.c vendored
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@@ -16,42 +16,18 @@
#include "config.h"
#include "adac.h"
static bool init(int i2c_port_num, int i2s_num, i2s_config_t *config);
static const char TAG[] = "DAC external";
static bool init(char *config, int i2c_port_num);
static void deinit(void) { };
static void speaker(bool active) { };
static void headset(bool active) { } ;
static void volume(unsigned left, unsigned right) { };
static void power(adac_power_e mode) { };
struct adac_s dac_external = { init, deinit, power, speaker, headset, volume };
const struct adac_s dac_external = { "i2s", init, deinit, power, speaker, headset, volume };
static char TAG[] = "DAC external";
static bool init(int i2c_port_num, int i2s_num, i2s_config_t *config) {
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,
.data_out_num = CONFIG_I2S_DO_IO, .data_in_num = CONFIG_I2S_DI_IO };
char *nvs_item = config_alloc_get(NVS_TYPE_STR, "dac_config");
if (nvs_item) {
char *p;
if ((p = strcasestr(nvs_item, "bck")) != NULL) i2s_pin_config.bck_io_num = atoi(strchr(p, '=') + 1);
if ((p = strcasestr(nvs_item, "ws")) != NULL) i2s_pin_config.ws_io_num = atoi(strchr(p, '=') + 1);
if ((p = strcasestr(nvs_item, "do")) != NULL) i2s_pin_config.data_out_num = atoi(strchr(p, '=') + 1);
free(nvs_item);
}
if (i2s_pin_config.bck_io_num != -1 && i2s_pin_config.ws_io_num != -1 && i2s_pin_config.data_out_num != -1) {
i2s_driver_install(i2s_num, config, 0, NULL);
i2s_set_pin(i2s_num, &i2s_pin_config);
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);
return true;
} else {
ESP_LOGI(TAG, "Cannot initialize I2S for DAC bck:%d ws:%d do:%d", i2s_pin_config.bck_io_num,
i2s_pin_config.ws_io_num,
i2s_pin_config.data_out_num);
return false;
}
static bool init(char *config, int i2c_port_num) {
return true;
}