59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/*
|
|
* Copyright 2021 The Android Open Source Project
|
|
*
|
|
* 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
|
|
|
|
#ifdef __cplusplus
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#else
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#endif // _cplusplus
|
|
|
|
/* Define the header of each buffer used in the Bluetooth stack.
|
|
*/
|
|
typedef struct {
|
|
uint16_t event;
|
|
uint16_t len;
|
|
uint16_t offset;
|
|
uint16_t layer_specific;
|
|
uint8_t data[];
|
|
} BT_HDR;
|
|
|
|
typedef struct {
|
|
uint16_t event;
|
|
uint16_t len;
|
|
uint16_t offset;
|
|
uint16_t layer_specific;
|
|
// Note: Removal of flexible array member with no specified size.
|
|
// This struct may be embedded in any position within other structs
|
|
// and will not trigger various flexible member compilation issues.
|
|
} BT_HDR_RIGID;
|
|
|
|
#ifdef __cplusplus
|
|
template <typename T>
|
|
T* ToPacketData(BT_HDR* bt_hdr, size_t offset = 0) {
|
|
return reinterpret_cast<T*>(bt_hdr->data + bt_hdr->offset + offset);
|
|
}
|
|
template <typename T>
|
|
const T* ToPacketData(const BT_HDR* bt_hdr, size_t offset = 0) {
|
|
return reinterpret_cast<const T*>(bt_hdr->data + bt_hdr->offset + offset);
|
|
}
|
|
#endif // __cplusplus
|
|
|
|
#define BT_HDR_SIZE (sizeof(BT_HDR))
|