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support for L2CAP Unicast Connection Data

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This commit is contained in:
matthias.ringwald@gmail.com 2015-02-20 14:21:01 +00:00
parent c143e37dcb
commit 462e630d76
1 changed files with 21 additions and 4 deletions
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25
src/l2cap.c
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@ -80,6 +80,7 @@ static int new_credits_blocked = 0;
static btstack_packet_handler_t attribute_protocol_packet_handler;
static btstack_packet_handler_t security_protocol_packet_handler;
static btstack_packet_handler_t connectionless_channel_packet_handler;
static uint8_t require_security_level2_for_outgoing_sdp;
// prototypes
@ -101,7 +102,8 @@ void l2cap_init(){
packet_handler = null_packet_handler;
attribute_protocol_packet_handler = NULL;
security_protocol_packet_handler = NULL;
connectionless_channel_packet_handler = NULL;
require_security_level2_for_outgoing_sdp = 0;
//
@ -554,15 +556,15 @@ void l2cap_run(void){
break;
}
case 2: { // Extended Features Supported
// extended features request supported, only supporing fixed channel map
uint32_t features = 0x80;
// extended features request supported, features: fixed channels, unicast connectionless data reception
uint32_t features = 0x280;
l2cap_send_signaling_packet(handle, INFORMATION_RESPONSE, sig_id, infoType, 0, sizeof(features), &features);
break;
}
case 3: { // Fixed Channels Supported
uint8_t map[8];
memset(map, 0, 8);
map[0] = 0x01; // L2CAP Signaling Channel
map[0] = 0x01; // L2CAP Signaling Channel (0x01) + Connectionless reception (0x02)
l2cap_send_signaling_packet(handle, INFORMATION_RESPONSE, sig_id, infoType, 0, sizeof(map), &map);
break;
}
@ -949,6 +951,9 @@ void l2cap_event_handler(uint8_t *packet, uint16_t size){
if (security_protocol_packet_handler) {
(*security_protocol_packet_handler)(HCI_EVENT_PACKET, 0, packet, size);
}
if (connectionless_channel_packet_handler) {
(*connectionless_channel_packet_handler)(HCI_EVENT_PACKET, 0, packet, size);
}
break;
case HCI_EVENT_READ_REMOTE_SUPPORTED_FEATURES_COMPLETE:
@ -1013,6 +1018,9 @@ void l2cap_event_handler(uint8_t *packet, uint16_t size){
if (security_protocol_packet_handler) {
(*security_protocol_packet_handler)(HCI_EVENT_PACKET, 0, packet, size);
}
if (connectionless_channel_packet_handler) {
(*connectionless_channel_packet_handler)(HCI_EVENT_PACKET, 0, packet, size);
}
l2cap_run();
}
@ -1399,6 +1407,12 @@ void l2cap_acl_handler( uint8_t *packet, uint16_t size ){
(*security_protocol_packet_handler)(SM_DATA_PACKET, handle, &packet[COMPLETE_L2CAP_HEADER], size-COMPLETE_L2CAP_HEADER);
}
break;
case L2CAP_CID_CONNECTIONLESS_CHANNEL:
if (connectionless_channel_packet_handler) {
(*connectionless_channel_packet_handler)(UCD_DATA_PACKET, handle, &packet[COMPLETE_L2CAP_HEADER], size-COMPLETE_L2CAP_HEADER);
}
break;
case L2CAP_CID_SIGNALING_LE: {
switch (packet[8]){
@ -1566,6 +1580,9 @@ void l2cap_register_fixed_channel(btstack_packet_handler_t packet_handler, uint1
case L2CAP_CID_SECURITY_MANAGER_PROTOCOL:
security_protocol_packet_handler = packet_handler;
break;
case L2CAP_CID_CONNECTIONLESS_CHANNEL:
connectionless_channel_packet_handler = packet_handler;
break;
}
}