1 /******************************************************************************
2  *
3  *  Copyright (C) 2014 Google, Inc.
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #pragma once
20 
21 // 2 bytes for opcode, 1 byte for parameter length (Volume 2, Part E, 5.4.1)
22 #define HCI_COMMAND_PREAMBLE_SIZE 3
23 // 2 bytes for handle, 2 bytes for data length (Volume 2, Part E, 5.4.2)
24 #define HCI_ACL_PREAMBLE_SIZE 4
25 // 2 bytes for handle, 1 byte for data length (Volume 2, Part E, 5.4.3)
26 #define HCI_SCO_PREAMBLE_SIZE 3
27 // 1 byte for event code, 1 byte for parameter length (Volume 2, Part E, 5.4.4)
28 #define HCI_EVENT_PREAMBLE_SIZE 2
29