1 //
2 // Copyright 2017 The Android Open Source Project
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 // http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16
17 #include "mct_protocol.h"
18
19 #include <assert.h>
20
21 #define LOG_TAG "android.hardware.bluetooth-hci-mct"
22 #include <utils/Log.h>
23
24 #include <fcntl.h>
25
26 namespace android {
27 namespace hardware {
28 namespace bluetooth {
29 namespace hci {
30
MctProtocol(int * fds,PacketReadCallback event_cb,PacketReadCallback acl_cb)31 MctProtocol::MctProtocol(int* fds, PacketReadCallback event_cb,
32 PacketReadCallback acl_cb)
33 : event_cb_(event_cb),
34 acl_cb_(acl_cb),
35 event_packetizer_([this]() { OnEventPacketReady(); }),
__anonb1aff5380202() 36 acl_packetizer_([this]() { OnAclDataPacketReady(); }) {
37 for (int i = 0; i < CH_MAX; i++) {
38 uart_fds_[i] = fds[i];
39 }
40 }
41
Send(uint8_t type,const uint8_t * data,size_t length)42 size_t MctProtocol::Send(uint8_t type, const uint8_t* data, size_t length) {
43 if (type == HCI_PACKET_TYPE_COMMAND)
44 return WriteSafely(uart_fds_[CH_CMD], data, length);
45 if (type == HCI_PACKET_TYPE_ACL_DATA)
46 return WriteSafely(uart_fds_[CH_ACL_OUT], data, length);
47 LOG_ALWAYS_FATAL("%s: Unimplemented packet type = %d", __func__, type);
48 return 0;
49 }
50
OnEventPacketReady()51 void MctProtocol::OnEventPacketReady() {
52 event_cb_(event_packetizer_.GetPacket());
53 }
54
OnAclDataPacketReady()55 void MctProtocol::OnAclDataPacketReady() {
56 acl_cb_(acl_packetizer_.GetPacket());
57 }
58
OnEventDataReady(int fd)59 void MctProtocol::OnEventDataReady(int fd) {
60 event_packetizer_.OnDataReady(fd, HCI_PACKET_TYPE_EVENT);
61 }
62
OnAclDataReady(int fd)63 void MctProtocol::OnAclDataReady(int fd) {
64 acl_packetizer_.OnDataReady(fd, HCI_PACKET_TYPE_ACL_DATA);
65 }
66
67 } // namespace hci
68 } // namespace bluetooth
69 } // namespace hardware
70 } // namespace android
71