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stm32: added samplerate compensation support

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embedded: update audio api
This commit is contained in:
Dirk Helbig 2023-05-04 15:40:03 +02:00 committed by Matthias Ringwald
parent 8955f6de72
commit 32d9a3dfcc
3 changed files with 22 additions and 4 deletions
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19
platform/embedded/btstack_audio_embedded.c
View File

@ -133,6 +133,9 @@ static void driver_timer_handler_source(btstack_timer_source_t * ts){
btstack_run_loop_add_timer(ts);
}
static uint32_t sink_samplerate = 0;
static int btstack_audio_embedded_sink_init(
uint8_t channels,
uint32_t samplerate,
@ -148,12 +151,18 @@ static int btstack_audio_embedded_sink_init(
#endif
playback_callback = playback;
sink_samplerate = samplerate;
hal_audio_sink_init(channels, samplerate, &btstack_audio_audio_played);
return 0;
}
static uint32_t btstack_audio_embedded_sink_get_samplerate() {
return sink_samplerate;
}
static uint32_t source_samplerate = 0;
static int btstack_audio_embedded_source_init(
uint8_t channels,
uint32_t samplerate,
@ -165,12 +174,16 @@ static int btstack_audio_embedded_source_init(
}
recording_callback = recording;
source_samplerate = samplerate;
hal_audio_source_init(channels, samplerate, &btstack_audio_audio_recorded);
return 0;
}
static uint32_t btstack_audio_embedded_source_get_samplerate() {
return source_samplerate;
}
static void btstack_audio_embedded_sink_set_volume(uint8_t volume){
UNUSED(volume);
}
@ -261,6 +274,7 @@ static void btstack_audio_embedded_source_close(void){
static const btstack_audio_sink_t btstack_audio_embedded_sink = {
.init = &btstack_audio_embedded_sink_init,
.get_samplerate = &btstack_audio_embedded_sink_get_samplerate,
.set_volume = &btstack_audio_embedded_sink_set_volume,
.start_stream = &btstack_audio_embedded_sink_start_stream,
.stop_stream = &btstack_audio_embedded_sink_stop_stream,
@ -269,6 +283,7 @@ static const btstack_audio_sink_t btstack_audio_embedded_sink = {
static const btstack_audio_source_t btstack_audio_embedded_source = {
.init = &btstack_audio_embedded_source_init,
.get_samplerate = &btstack_audio_embedded_source_get_samplerate,
.set_gain = &btstack_audio_embedded_source_set_gain,
.start_stream = &btstack_audio_embedded_source_start_stream,
.stop_stream = &btstack_audio_embedded_source_stop_stream,

2
port/stm32-f4discovery-cc256x/Makefile
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@ -71,6 +71,7 @@ ${BTSTACK_ROOT}/src/ble/le_device_db_memory.c \
${BTSTACK_ROOT}/src/ble/le_device_db_tlv.c \
${BTSTACK_ROOT}/src/ble/sm.c \
${BTSTACK_ROOT}/src/btstack_audio.c \
${BTSTACK_ROOT}/src/btstack_sample_rate_compensation.c \
${BTSTACK_ROOT}/src/btstack_crypto.c \
${BTSTACK_ROOT}/src/btstack_hid_parser.c \
${BTSTACK_ROOT}/src/btstack_linked_list.c \
@ -304,6 +305,7 @@ LDSCRIPT = STM32F407VGTx_FLASH.ld
LIBS = -lPDMFilter_CM4_GCC -lc -lm -lnosys
LIBDIR = -Lpdm
LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
#LDFLAGS += -u_printf_float
# default action: build all
EXAMPLES = \

1
port/stm32-f4discovery-cc256x/port/btstack_config.h
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@ -12,6 +12,7 @@
#define HAVE_EMBEDDED_TIME_MS
#define HAVE_HAL_AUDIO
#define HAVE_HAL_AUDIO_SINK_STEREO_ONLY
#define HAVE_BTSTACK_AUDIO_EFFECTIVE_SAMPLERATE
// BTstack features that can be enabled
#define ENABLE_BLE