mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-03-01 10:13:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

test/le_audio: start 48_5_1 broadcast on start

Browse Source
This commit is contained in:
Matthias Ringwald 2022-07-18 15:57:17 +02:00
parent 2cadc6e2da
commit 56c77a8694
1 changed files with 44 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

77
test/le_audio/le_audio_broadcast_source.c
View File

@ -514,6 +514,41 @@ static void setup_big(void){
gap_big_create(&big_storage, &big_params); gap_big_create(&big_storage, &big_params);
} }
static void start_broadcast() {// use values from table
sampling_frequency_hz = codec_configurations[menu_sampling_frequency].samplingrate_hz;
octets_per_frame = codec_configurations[menu_sampling_frequency].variants[menu_variant].octets_per_frame;
frame_duration = codec_configurations[menu_sampling_frequency].variants[menu_variant].frame_duration;
// get num samples per frame
setup_lc3_encoder();
// update BASEs
periodic_adv_data_1[17] = codec_configurations[menu_sampling_frequency].samplingrate_index;
periodic_adv_data_1[20] = (frame_duration == BTSTACK_LC3_FRAME_DURATION_7500US) ? 0 : 1;
little_endian_store_16(periodic_adv_data_1, 23, octets_per_frame);
periodic_adv_data_2[17] = codec_configurations[menu_sampling_frequency].samplingrate_index;
periodic_adv_data_2[20] = (frame_duration == BTSTACK_LC3_FRAME_DURATION_7500US) ? 0 : 1;
little_endian_store_16(periodic_adv_data_2, 23, octets_per_frame);
// setup mod player
setup_mod_player();
// setup sine generator
if (sampling_frequency_hz == 44100){
sine_step = 2;
} else {
sine_step = 96000 / sampling_frequency_hz;
}
// setup extended and periodic advertising
setup_advertising();
// setup big
setup_big();
}
static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
UNUSED(channel); UNUSED(channel);
if (packet_type != HCI_EVENT_PACKET) return; if (packet_type != HCI_EVENT_PACKET) return;
@ -523,8 +558,16 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
case BTSTACK_EVENT_STATE: case BTSTACK_EVENT_STATE:
switch(btstack_event_state_get_state(packet)) { switch(btstack_event_state_get_state(packet)) {
case HCI_STATE_WORKING: case HCI_STATE_WORKING:
#ifdef ENABLE_DEMO_MODE
// start broadcast automatically, mod player, 48_5_1
num_bis = 1;
menu_sampling_frequency = 5;
menu_variant = 4;
start_broadcast();
#else
show_usage(); show_usage();
printf("Please select sample frequency and variation, then start broadcast\n"); printf("Please select sample frequency and variation, then start broadcast\n");
#endif
break; break;
case HCI_STATE_OFF: case HCI_STATE_OFF:
printf("Goodbye\n"); printf("Goodbye\n");
@ -577,7 +620,6 @@ static void show_usage(void){
printf("x - shutdown\n"); printf("x - shutdown\n");
printf("---\n"); printf("---\n");
} }
static void stdin_process(char c){ static void stdin_process(char c){
switch (c){ switch (c){
case 'c': case 'c':
@ -632,38 +674,7 @@ static void stdin_process(char c){
printf("Cannot start broadcast - not in idle state\n"); printf("Cannot start broadcast - not in idle state\n");
break; break;
} }
// use values from table start_broadcast();
sampling_frequency_hz = codec_configurations[menu_sampling_frequency].samplingrate_hz;
octets_per_frame = codec_configurations[menu_sampling_frequency].variants[menu_variant].octets_per_frame;
frame_duration = codec_configurations[menu_sampling_frequency].variants[menu_variant].frame_duration;
// get num samples per frame
setup_lc3_encoder();
// update BASEs
periodic_adv_data_1[17] = codec_configurations[menu_sampling_frequency].samplingrate_index;
periodic_adv_data_1[20] = (frame_duration == BTSTACK_LC3_FRAME_DURATION_7500US) ? 0 : 1;
little_endian_store_16(periodic_adv_data_1, 23, octets_per_frame);
periodic_adv_data_2[17] = codec_configurations[menu_sampling_frequency].samplingrate_index;
periodic_adv_data_2[20] = (frame_duration == BTSTACK_LC3_FRAME_DURATION_7500US) ? 0 : 1;
little_endian_store_16(periodic_adv_data_2, 23, octets_per_frame);
// setup mod player
setup_mod_player();
// setup sine generator
if (sampling_frequency_hz == 44100){
sine_step = 2;
} else {
sine_step = 96000 / sampling_frequency_hz;
}
// setup extended and periodic advertising
setup_advertising();
// setup big
setup_big();
break; break;
case 't': case 't':
audio_source = 1 - audio_source; audio_source = 1 - audio_source;