72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
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#include "dummy_codec.h"
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typedef struct {
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audio_codec_if_t base;
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const audio_codec_gpio_if_t *gpio_if;
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bool is_open;
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bool enable;
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} dummy_codec_t;
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typedef struct {
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audio_codec_ctrl_if_t base;
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bool is_open;
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} dummy_codec_ctrl_t;
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static int dummy_codec_open(const audio_codec_if_t *h, void *cfg, int cfg_size)
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{
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dummy_codec_cfg_t *codec_cfg = (dummy_codec_cfg_t *)cfg;
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if (cfg_size != sizeof(dummy_codec_cfg_t) || codec_cfg->gpio_if == NULL) {
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return -1;
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}
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dummy_codec_t *codec = (dummy_codec_t *)h;
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codec->gpio_if = codec_cfg->gpio_if;
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codec->gpio_if->setup(codec_cfg->enable_gpio, AUDIO_GPIO_DIR_OUT, AUDIO_GPIO_MODE_FLOAT);
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codec->gpio_if->set(codec_cfg->enable_gpio, true);
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codec->is_open = true;
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return 0;
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}
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static bool dummy_codec_is_open(const audio_codec_if_t *h)
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{
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dummy_codec_t *codec = (dummy_codec_t *)h;
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return codec->is_open;
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}
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static int dummy_codec_enable(const audio_codec_if_t *h, bool enable)
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{
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dummy_codec_t *codec = (dummy_codec_t *)h;
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codec->enable = enable;
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return 0;
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}
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static int dummy_codec_set_fs(const audio_codec_if_t *h, esp_codec_dev_sample_info_t *fs)
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{
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return 0;
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}
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static int dummy_codec_close(const audio_codec_if_t *h)
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{
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dummy_codec_t *codec = (dummy_codec_t *)h;
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// Auto disable when codec closed
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if (codec->enable) {
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dummy_codec_enable(h, false);
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}
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codec->is_open = false;
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return 0;
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}
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const audio_codec_if_t *dummy_codec_new(dummy_codec_cfg_t *codec_cfg)
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{
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dummy_codec_t *codec = (dummy_codec_t *)calloc(1, sizeof(dummy_codec_t));
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if (codec == NULL) {
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return NULL;
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}
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codec->base.open = dummy_codec_open;
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codec->base.is_open = dummy_codec_is_open;
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codec->base.enable = dummy_codec_enable;
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codec->base.set_fs = dummy_codec_set_fs;
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codec->base.close = dummy_codec_close;
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codec->base.open(&codec->base, codec_cfg, sizeof(dummy_codec_cfg_t));
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return &codec->base;
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}
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