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 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(); }), 36 acl_packetizer_([this]() { OnAclDataPacketReady(); }) { 37 for (int i = 0; i < CH_MAX; i++) { 38 uart_fds_[i] = fds[i]; 39 } 40 } 41 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 51 void MctProtocol::OnEventPacketReady() { 52 event_cb_(event_packetizer_.GetPacket()); 53 } 54 55 void MctProtocol::OnAclDataPacketReady() { 56 acl_cb_(acl_packetizer_.GetPacket()); 57 } 58 59 void MctProtocol::OnEventDataReady(int fd) { 60 event_packetizer_.OnDataReady(fd, HCI_PACKET_TYPE_EVENT); 61 } 62 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
