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use incoming link type to decide on params for accept sync connection

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This commit is contained in:
Matthias Ringwald 2015-11-27 22:55:32 +01:00
parent 4d92c0d57c
commit f3a16b9a42
1 changed files with 10 additions and 7 deletions
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17
src/hci.c
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@ -1330,6 +1330,10 @@ static void event_handler(uint8_t *packet, int size){
}
conn->role = HCI_ROLE_SLAVE;
conn->state = RECEIVED_CONNECTION_REQUEST;
// store info about eSCO
if (link_type == 0x02){
conn->remote_supported_feature_eSCO = 1;
}
hci_run();
break;
@ -2328,14 +2332,13 @@ void hci_run(void){
if (connection->address_type == BD_ADDR_TYPE_CLASSIC){
hci_send_cmd(&hci_accept_connection_request, connection->address, 1);
} else {
// remote supported features are not set for this hci_connection_t struct, but there must be an existing ACL connection already
hci_connection_t * base_acl_connection = hci_connection_for_bd_addr_and_type(connection->address, BD_ADDR_TYPE_CLASSIC);
if (!base_acl_connection || !base_acl_connection->remote_supported_feature_eSCO){
// 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, 0x02, 0x003f);
} else {
// S4 - max latency == transmission interval = 0x000c == 12 ms,
// remote supported feature eSCO is set if link type is eSCO
if (connection->remote_supported_feature_eSCO){
// 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, 0x388);
} else {
// SCO: max latency, retransmission interval: N/A. any packet type
hci_send_cmd(&hci_accept_synchronous_connection, connection->address, 8000, 8000, 0xffff, hci_stack->sco_voice_setting, 0xff, 0x003f);
}
}
return;