1/*
2 * Copyright (C) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#ifndef BLUETOOTH_HDI_H
17#define BLUETOOTH_HDI_H
18
19#include <stdlib.h>
20#include <stdbool.h>
21#include <stdint.h>
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
27// Hci hal backend status
28typedef enum {
29    SUCCESS,
30    TRANSPORT_ERROR,
31    INITIALIZATION_ERROR,
32    UNKNOWN,
33} BtInitStatus;
34
35typedef enum {
36    PACKET_TYPE_UNKNOWN = 0,
37    PACKET_TYPE_CMD = 1,
38    PACKET_TYPE_ACL = 2,
39    PACKET_TYPE_SCO = 3,
40    PACKET_TYPE_EVENT = 4
41} BtPacketType;
42
43// Hci packet received from backend
44typedef struct BtPacket {
45    uint8_t *data;
46    uint32_t size;
47} BtPacket;
48
49// BluetoothHciCallbacks register to hal by upperlayer protocol
50typedef struct BtHciCallbacks {
51    void (*OnInited)(BtInitStatus status);
52    void (*OnReceivedHciPacket)(BtPacketType type, const BtPacket *packet);
53} BtHciCallbacks;
54
55int HdiInit(BtHciCallbacks *callbacks);
56int HdiSendHciPacket(BtPacketType type, const BtPacket *packet);
57void HdiClose(void);
58
59typedef int (*HdiInitFunc)(BtHciCallbacks *callbacks);
60typedef int (*HdiSendHciPacketFunc)(BtPacketType type, const BtPacket *packet);
61typedef void (*HdiCloseFunc)(void);
62
63#ifdef __cplusplus
64}
65#endif
66
67#endif