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test/le_audio: use hci_request_cis_can_send_now_events

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This commit is contained in:
Matthias Ringwald 2022-09-14 11:22:53 +02:00
parent 2c07777174
commit de41ee302f
1 changed files with 14 additions and 56 deletions
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70
test/le_audio/le_audio_unicast_source.c
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@ -130,8 +130,6 @@ static unsigned int next_cis_index;
static hci_con_handle_t cis_con_handles[MAX_NUM_CIS];
static uint16_t packet_sequence_numbers[MAX_NUM_CIS];
static uint8_t framed_pdus;
static bool cis_can_send[MAX_NUM_CIS];
static bool cis_has_data[MAX_NUM_CIS];
static bool cis_established[MAX_NUM_CIS];
static uint8_t iso_frame_counter;
static uint16_t frame_duration_us;
@ -380,34 +378,6 @@ static void generate_audio_and_encode(uint8_t cis_index){
for (i=0; i<num_channels;i++) {
encode(i);
}
cis_has_data[cis_index] = true;
}
static void try_send(void){
if (app_state != APP_STREAMING) return;
bool all_can_send = true;
uint8_t i;
for (i=0; i < num_cis; i++) {
all_can_send &= cis_can_send[i];
}
// check if next audio frame should be produced and send
if (all_can_send){
for (i=0; i < num_cis; i++) {
cis_has_data[i] = true;
}
}
for (i=0; i < num_cis; i++){
if (hci_is_packet_buffer_reserved()) return;
if (cis_can_send[i] && cis_has_data[i]){
cis_can_send[i] = false;
cis_has_data[i] = false;
send_iso_packet(i);
generate_audio_and_encode(0);
return;
}
}
}
static void start_unicast() {// use values from table
@ -454,6 +424,8 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
if (packet_type != HCI_EVENT_PACKET) return;
bd_addr_t event_addr;
hci_con_handle_t cis_con_handle;
uint8_t i;
switch (packet[0]) {
case BTSTACK_EVENT_STATE:
@ -496,10 +468,9 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
case HCI_EVENT_META_GAP:
switch (hci_event_gap_meta_get_subevent_code(packet)) {
case GAP_SUBEVENT_CIS_CREATED: {
uint8_t i;
hci_con_handle_t cis_handle = gap_subevent_cis_created_get_cis_con_handle(packet);
cis_con_handle = gap_subevent_cis_created_get_cis_con_handle(packet);
for (i=0; i < num_cis; i++){
if (cis_handle == cis_con_handles[i]){
if (cis_con_handle == cis_con_handles[i]){
cis_established[i] = true;
}
}
@ -510,44 +481,31 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
}
// ready to send
if (complete) {
for (i=0; i < num_cis; i++) {
cis_can_send[i] = true;
}
printf("All CIS Established and ISO Path setup\n");
next_cis_index = 0;
app_state = APP_STREAMING;
generate_audio_and_encode(0);
hci_request_cis_can_send_now_events(cis_con_handles[0]);
}
break;
}
}
break;
case HCI_EVENT_NUMBER_OF_COMPLETED_PACKETS:
if (size >= 3){
uint16_t num_handles = packet[2];
if (size != (3u + num_handles * 4u)) break;
uint16_t offset = 3;
uint16_t i;
for (i=0; i<num_handles;i++) {
hci_con_handle_t handle = little_endian_read_16(packet, offset) & 0x0fffu;
offset += 2u;
uint16_t num_packets = little_endian_read_16(packet, offset);
offset += 2u;
uint8_t j;
for (j=0 ; j < num_cis ; j++){
if (handle == cis_con_handles[j]){
// allow to send
cis_can_send[j] = true;
}
}
case HCI_EVENT_CIS_CAN_SEND_NOW:
cis_con_handle = hci_event_cis_can_send_now_get_cis_con_handle(packet);
for (i=0;i<num_cis;i++){
if (cis_con_handle == cis_con_handles[i]){
// allow to send
send_iso_packet(i);
generate_audio_and_encode(0);
hci_request_cis_can_send_now_events(cis_con_handles[0]);
}
}
break;
default:
break;
}
try_send();
}
static void show_usage(void){