btif_hh.h revision ead3cde4bac0c3e32cd31f149093f004eef8ceeb
1/******************************************************************************
2 *
3 *  Copyright (C) 2009-2012 Broadcom Corporation
4 *
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:
8 *
9 *  http://www.apache.org/licenses/LICENSE-2.0
10 *
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.
16 *
17 ******************************************************************************/
18
19#ifndef BTIF_HH_H
20#define BTIF_HH_H
21
22#include <hardware/bluetooth.h>
23#include <hardware/bt_hh.h>
24#include <stdint.h>
25#include "bta_hh_api.h"
26
27/*******************************************************************************
28**  Constants & Macros
29********************************************************************************/
30
31#define BTIF_HH_MAX_HID         8
32#define BTIF_HH_MAX_ADDED_DEV   32
33
34#define BTIF_HH_MAX_KEYSTATES            3
35#define BTIF_HH_KEYSTATE_MASK_NUMLOCK    0x01
36#define BTIF_HH_KEYSTATE_MASK_CAPSLOCK   0x02
37#define BTIF_HH_KEYSTATE_MASK_SCROLLLOCK 0x04
38
39
40/*******************************************************************************
41**  Type definitions and return values
42********************************************************************************/
43
44typedef enum
45{
46    BTIF_HH_DISABLED =   0,
47    BTIF_HH_ENABLED,
48    BTIF_HH_DISABLING,
49    BTIF_HH_DEV_UNKNOWN,
50    BTIF_HH_DEV_CONNECTING,
51    BTIF_HH_DEV_CONNECTED,
52    BTIF_HH_DEV_DISCONNECTED
53} BTIF_HH_STATUS;
54
55typedef struct
56{
57    bthh_connection_state_t       dev_status;
58    UINT8                         dev_handle;
59    bt_bdaddr_t                   bd_addr;
60    tBTA_HH_ATTR_MASK             attr_mask;
61    UINT8                         sub_class;
62    UINT8                         app_id;
63    int                           fd;
64    BT_HDR                        *p_buf;
65    UINT32                        hh_poll_thread_id;
66    UINT8                         hh_keep_polling;
67} btif_hh_device_t;
68
69/* Control block to maintain properties of devices */
70typedef struct
71{
72    UINT8             dev_handle;
73    bt_bdaddr_t       bd_addr;
74    tBTA_HH_ATTR_MASK attr_mask;
75} btif_hh_added_device_t;
76
77/**
78 * BTIF-HH control block to maintain added devices and currently
79 * connected hid devices
80 */
81typedef struct
82{
83    BTIF_HH_STATUS          status;
84    btif_hh_device_t        devices[BTIF_HH_MAX_HID];
85    UINT32                  device_num;
86    btif_hh_added_device_t  added_devices[BTIF_HH_MAX_ADDED_DEV];
87    btif_hh_device_t        *p_curr_dev;
88} btif_hh_cb_t;
89
90
91/*******************************************************************************
92**  Functions
93********************************************************************************/
94
95extern btif_hh_cb_t btif_hh_cb;
96
97extern btif_hh_device_t *btif_hh_find_connected_dev_by_handle(UINT8 handle);
98extern void btif_hh_remove_device(bt_bdaddr_t bd_addr);
99BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask);
100extern bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr);
101extern void btif_hh_disconnect(bt_bdaddr_t *bd_addr);
102extern void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type,
103                    UINT16 size, UINT8* report);
104
105BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bd_addr, tBTA_HH_ATTR_MASK attr_mask);
106
107#endif
108