C++程序  |  29行  |  1.19 KB

/******************************************************************************
 *
 *  Copyright (C) 2014 Google, Inc.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at:
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 ******************************************************************************/

#pragma once

// 2 bytes for opcode, 1 byte for parameter length (Volume 2, Part E, 5.4.1)
#define HCI_COMMAND_PREAMBLE_SIZE 3
// 2 bytes for handle, 2 bytes for data length (Volume 2, Part E, 5.4.2)
#define HCI_ACL_PREAMBLE_SIZE 4
// 2 bytes for handle, 1 byte for data length (Volume 2, Part E, 5.4.3)
#define HCI_SCO_PREAMBLE_SIZE 3
// 1 byte for event code, 1 byte for parameter length (Volume 2, Part E, 5.4.4)
#define HCI_EVENT_PREAMBLE_SIZE 2