1 /******************************************************************************
3 * Copyright (C) 2014 Google, Inc.
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:
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 ******************************************************************************/
19 #ifndef _HCI_INTERNALS_H_
20 #define _HCI_INTERNALS_H_
22 // 2 bytes for opcode, 1 byte for parameter length (Volume 2, Part E, 5.4.1)
23 #define HCI_COMMAND_PREAMBLE_SIZE 3
24 // 2 bytes for handle, 2 bytes for data length (Volume 2, Part E, 5.4.2)
25 #define HCI_ACL_PREAMBLE_SIZE 4
26 // 2 bytes for handle, 1 byte for data length (Volume 2, Part E, 5.4.3)
27 #define HCI_SCO_PREAMBLE_SIZE 3
28 // 1 byte for event code, 1 byte for parameter length (Volume 2, Part E, 5.4.4)
29 #define HCI_EVENT_PREAMBLE_SIZE 2
31 #endif /* _HCI_INTERNALS_H_ */