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add hci_remote_eSCO_supported. use HFP S4 settings if eSCO supported

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This commit is contained in:
Matthias Ringwald 2015-11-27 20:27:53 +01:00
parent 417c123e5c
commit 98a2fd1ca4
2 changed files with 23 additions and 2 deletions
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20
src/hci.c
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@ -1403,9 +1403,12 @@ static void event_handler(uint8_t *packet, int size){
if (features[6] & (1 << 3)){
conn->bonding_flags |= BONDING_REMOTE_SUPPORTS_SSP;
}
if (features[3] & (1<<7)){
conn->remote_supported_feature_eSCO = 1;
}
}
conn->bonding_flags |= BONDING_RECEIVED_REMOTE_FEATURES;
log_info("HCI_EVENT_READ_REMOTE_SUPPORTED_FEATURES_COMPLETE, bonding flags %x", conn->bonding_flags);
log_info("HCI_EVENT_READ_REMOTE_SUPPORTED_FEATURES_COMPLETE, bonding flags %x, eSCO %u", conn->bonding_flags, conn->remote_supported_feature_eSCO);
if (conn->bonding_flags & BONDING_DEDICATED){
conn->bonding_flags |= BONDING_SEND_AUTHENTICATE_REQUEST;
}
@ -2325,7 +2328,13 @@ void hci_run(void){
if (connection->address_type == BD_ADDR_TYPE_CLASSIC){
hci_send_cmd(&hci_accept_connection_request, connection->address, 1);
} else {
hci_send_cmd(&hci_accept_synchronous_connection, connection->address, 8000, 8000, 0xFFFF, hci_stack->sco_voice_setting, 0xFF, 0x003F);
if (connection->remote_supported_feature_eSCO){
// S4 - max latency == transmission interval = 0x000c == 12 ms
hci_send_cmd(&hci_accept_synchronous_connection, connection->address, 8000, 8000, 0x000c, hci_stack->sco_voice_setting, 0x02, 0x003f);
} else {
// max latency, retransmission interval: N/A. any packet type
hci_send_cmd(&hci_accept_synchronous_connection, connection->address, 8000, 8000, 0x000c, hci_stack->sco_voice_setting, 0xff, 0x003f);
}
}
return;
@ -2889,6 +2898,13 @@ void hci_emit_dedicated_bonding_result(bd_addr_t address, uint8_t status){
hci_stack->packet_handler(HCI_EVENT_PACKET, event, sizeof(event));
}
// query if remote side supports eSCO
int hci_remote_eSCO_supported(hci_con_handle_t con_handle){
hci_connection_t * connection = hci_connection_for_handle(con_handle);
if (!connection) return 0;
return connection->remote_supported_feature_eSCO;
}
// query if remote side supports SSP
int hci_remote_ssp_supported(hci_con_handle_t con_handle){
hci_connection_t * connection = hci_connection_for_handle(con_handle);

5
src/hci.h
View File

@ -513,6 +513,9 @@ typedef struct {
//
link_key_type_t link_key_type;
// remote supported features
uint8_t remote_supported_feature_eSCO;
// errands
uint32_t authentication_flags;
@ -850,6 +853,8 @@ void hci_disconnect_security_block(hci_con_handle_t con_handle);
// send complete CMD packet
int hci_send_cmd_packet(uint8_t *packet, int size);
// query if remote side supports eSCO
int hci_remote_eSCO_supported(hci_con_handle_t con_handle);
/* API_START */