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esp32: implement audio sink interface

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This commit is contained in:
Matthias Ringwald 2019-02-22 22:18:52 +01:00
parent 0402264ca0
commit 195e44814f
2 changed files with 25 additions and 11 deletions
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32
port/esp32/components/btstack/btstack_audio_esp32.c
View File

@ -103,7 +103,7 @@ static void driver_timer_handler(btstack_timer_source_t * ts){
btstack_run_loop_add_timer(ts);
}
static int btstack_audio_esp32_init(
static int btstack_audio_esp32_sink_init(
uint8_t channels,
uint32_t samplerate,
void (*playback)(int16_t * buffer, uint16_t num_samples),
@ -140,7 +140,7 @@ static int btstack_audio_esp32_init(
return 0;
}
static void btstack_audio_esp32_start_stream(void){
static void btstack_audio_esp32_sink_start_stream(void){
if (playback_callback){
// pre-fill HAL buffers
@ -162,7 +162,7 @@ static void btstack_audio_esp32_start_stream(void){
btstack_run_loop_add_timer(&driver_timer);
}
static void btstack_audio_esp32_close(void){
static void btstack_audio_esp32_sink_close(void){
// stop timer
btstack_run_loop_remove_timer(&driver_timer);
@ -173,12 +173,26 @@ static void btstack_audio_esp32_close(void){
i2s_driver_uninstall(i2s_num);
}
static const btstack_audio_t btstack_audio_esp32 = {
/* int (*init)(..);*/ &btstack_audio_esp32_init,
/* void (*start_stream(void));*/ &btstack_audio_esp32_start_stream,
/* void (*close)(void); */ &btstack_audio_esp32_close
static const btstack_audio_t btstack_audio_sink_esp32 = {
/* int (*init)(..);*/ &btstack_audio_esp32_sink_init,
/* void (*start_stream(void));*/ &btstack_audio_esp32_sink_start_stream,
/* void (*close)(void); */ &btstack_audio_esp32_sink_close
};
const btstack_audio_t * btstack_audio_esp32_get_instance(void){
return &btstack_audio_esp32;
#if 0
static const btstack_audio_t btstack_audio_source_esp32 = {
/* int (*init)(..);*/ &btstack_audio_esp32_source_init,
/* void (*start_stream(void));*/ &btstack_audio_esp32_source_start_stream,
/* void (*close)(void); */ &btstack_audio_esp32_source_close
};
#endif
const btstack_audio_sink_t * btstack_audio_esp32_sink_get_instance(void){
return &btstack_audio_esp32_sink;
}
#if 0
const btstack_audio_source_t * btstack_audio_esp32_source_get_instance(void){
return &btstack_audio_esp32_source;
}
#endif

4
port/esp32/components/btstack/main.c
View File

@ -385,8 +385,8 @@ int app_main(void){
hci_event_callback_registration.callback = &packet_handler;
hci_add_event_handler(&hci_event_callback_registration);
// setup i2s audio
btstack_audio_set_instance(btstack_audio_esp32_get_instance());
// setup i2s audio sink
btstack_audio_sink_set_instance(btstack_audio_esp32_sink_get_instance());
btstack_main(0, NULL);