1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/******************************************************************************
*
* Copyright 2007-2012 Broadcom Corporation
*
* 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 UIPC_H
#define UIPC_H
#define UIPC_CH_ID_AV_CTRL 0
#define UIPC_CH_ID_AV_AUDIO 1
#define UIPC_CH_NUM 2
#define UIPC_CH_ID_ALL 3 /* used to address all the ch id at once */
#define DEFAULT_READ_POLL_TMO_MS 100
typedef uint8_t tUIPC_CH_ID;
/* Events generated */
typedef enum {
UIPC_OPEN_EVT = 0x0001,
UIPC_CLOSE_EVT = 0x0002,
UIPC_RX_DATA_EVT = 0x0004,
UIPC_RX_DATA_READY_EVT = 0x0008,
UIPC_TX_DATA_READY_EVT = 0x0010
} tUIPC_EVENT;
/* UIPC users */
typedef enum {
UIPC_USER_A2DP = 0,
UIPC_USER_HEARING_AID = 1,
UIPC_USER_NUM = 2
} tUIPC_USER;
/*
* UIPC IOCTL Requests
*/
#define UIPC_REQ_RX_FLUSH 1
#define UIPC_REG_CBACK 2
#define UIPC_REG_REMOVE_ACTIVE_READSET 3
#define UIPC_SET_READ_POLL_TMO 4
typedef void(tUIPC_RCV_CBACK)(
tUIPC_CH_ID ch_id,
tUIPC_EVENT event); /* points to BT_HDR which describes event type and
length of data; len contains the number of bytes of
entire message (sizeof(BT_HDR) + offset + size of
data) */
const char* dump_uipc_event(tUIPC_EVENT event);
/**
* Initialize UIPC module
*
* @param user User ID who uses UIPC
*/
void UIPC_Init(void*, int user);
/**
* Open a UIPC channel
*
* @param ch_id Channel ID
* @param p_cback Callback handler
* @return true on success, otherwise false
*/
bool UIPC_Open(tUIPC_CH_ID ch_id, tUIPC_RCV_CBACK* p_cback);
/**
* Closes a channel in UIPC or the entire UIPC module
*
* @param ch_id Channel ID; if ch_id is UIPC_CH_ID_ALL, then cleanup UIPC
* @param user User ID who uses UIPC
*/
void UIPC_Close(tUIPC_CH_ID ch_id, int user);
/**
* Send a message over UIPC
*
* @param ch_id Channel ID
* @param msg_evt Message event type
* @param p_buf Buffer for the message
* @param msglen Message length
* @return true on success, otherwise false
*/
bool UIPC_Send(tUIPC_CH_ID ch_id, uint16_t msg_evt, const uint8_t* p_buf,
uint16_t msglen);
/**
* Read a message from UIPC
*
* @param ch_id Channel ID
* @param p_msg_evt Message event type
* @param p_buf Buffer for the message
* @param len Bytes to read
* @return true on success, otherwise false
*/
uint32_t UIPC_Read(tUIPC_CH_ID ch_id, uint16_t* p_msg_evt, uint8_t* p_buf,
uint32_t len);
/**
* Control the UIPC parameter
*
* @param ch_id Channel ID
* @param request Request type
* @param param Optional parameters
* @return true on success, otherwise false
*/
bool UIPC_Ioctl(tUIPC_CH_ID ch_id, uint32_t request, void* param);
#endif /* UIPC_H */
|
