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hci: setup iso_stream in big sync established

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This commit is contained in:
Matthias Ringwald 2023-12-08 12:33:24 +01:00
parent 3e3770576e
commit 02e19895de
1 changed files with 31 additions and 1 deletions
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32
src/hci.c
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@ -4496,7 +4496,20 @@ static void event_handler(uint8_t *packet, uint16_t size){
uint8_t num_bis = btstack_min(big_sync->num_bis, packet[16]);
uint8_t i;
for (i=0;i<num_bis;i++){
big_sync->bis_con_handles[i] = little_endian_read_16(packet, 17 + (2 * i));
hci_con_handle_t bis_handle = little_endian_read_16(packet, 17 + (2 * i));
big_sync->bis_con_handles[i] = bis_handle;
// setup iso_stream_t
btstack_linked_list_iterator_t it;
btstack_linked_list_iterator_init(&it, &hci_stack->iso_streams);
while (btstack_linked_list_iterator_has_next(&it)){
hci_iso_stream_t * iso_stream = (hci_iso_stream_t *) btstack_linked_list_iterator_next(&it);
if ((iso_stream->state == HCI_ISO_STREAM_STATE_REQUESTED ) &&
(iso_stream->group_id == big_sync->big_handle)){
iso_stream->cis_handle = bis_handle;
iso_stream->state = HCI_ISO_STREAM_STATE_ESTABLISHED;
break;
}
}
}
if (big_sync->state == LE_AUDIO_BIG_STATE_W4_ESTABLISHED) {
// trigger iso path setup
@ -10303,6 +10316,23 @@ uint8_t gap_big_sync_create(le_audio_big_sync_t * storage, le_audio_big_sync_par
return ERROR_CODE_INVALID_HCI_COMMAND_PARAMETERS;
}
// reserve ISO Streams
uint8_t i;
uint8_t status = ERROR_CODE_SUCCESS;
for (i=0;i<big_sync_params->num_bis;i++){
hci_iso_stream_t * iso_stream = hci_iso_stream_create(HCI_ISO_TYPE_BIS, HCI_ISO_STREAM_STATE_REQUESTED, big_sync_params->big_handle, i);
if (iso_stream == NULL) {
status = ERROR_CODE_MEMORY_CAPACITY_EXCEEDED;
break;
}
}
// free structs on error
if (status != ERROR_CODE_SUCCESS){
hci_iso_stream_finalize_by_type_and_group_id(HCI_ISO_TYPE_BIS, big_sync_params->big_handle);
return status;
}
le_audio_big_sync_t * big_sync = storage;
big_sync->big_handle = big_sync_params->big_handle;
big_sync->params = big_sync_params;