OVMS3-idf/components/bt/bluedroid/hci/include/hci_internals.h

31 lines
1.3 KiB
C

/******************************************************************************
*
* 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.
*
******************************************************************************/
#ifndef _HCI_INTERNALS_H_
#define _HCI_INTERNALS_H_
// 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
#endif /* _HCI_INTERNALS_H_ */