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 <android-base/logging.h> 23 #include <utils/Log.h> 24 25 #include <fcntl.h> 26 27 namespace android { 28 namespace hardware { 29 namespace bluetooth { 30 namespace hci { 31 32 MctProtocol::MctProtocol(int* fds, PacketReadCallback event_cb, 33 PacketReadCallback acl_cb) 34 : event_cb_(event_cb), 35 acl_cb_(acl_cb), 36 event_packetizer_([this]() { OnEventPacketReady(); }), 37 acl_packetizer_([this]() { OnAclDataPacketReady(); }) { 38 for (int i = 0; i < CH_MAX; i++) { 39 uart_fds_[i] = fds[i]; 40 } 41 } 42 43 size_t MctProtocol::Send(uint8_t type, const uint8_t* data, size_t length) { 44 if (type == HCI_PACKET_TYPE_COMMAND) 45 return WriteSafely(uart_fds_[CH_CMD], data, length); 46 if (type == HCI_PACKET_TYPE_ACL_DATA) 47 return WriteSafely(uart_fds_[CH_ACL_OUT], data, length); 48 CHECK(type == HCI_PACKET_TYPE_COMMAND || type == HCI_PACKET_TYPE_ACL_DATA); 49 return 0; 50 } 51 52 void MctProtocol::OnEventPacketReady() { 53 event_cb_(event_packetizer_.GetPacket()); 54 } 55 56 void MctProtocol::OnAclDataPacketReady() { 57 acl_cb_(acl_packetizer_.GetPacket()); 58 } 59 60 void MctProtocol::OnEventDataReady(int fd) { 61 event_packetizer_.OnDataReady(fd, HCI_PACKET_TYPE_EVENT); 62 } 63 64 void MctProtocol::OnAclDataReady(int fd) { 65 acl_packetizer_.OnDataReady(fd, HCI_PACKET_TYPE_ACL_DATA); 66 } 67 68 } // namespace hci 69 } // namespace bluetooth 70 } // namespace hardware 71 } // namespace android 72
