bt-api/bt-hid.c

   1 /*
   2  * Bluetooth-frwk
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact:  Hocheol Seo <hocheol.seo@samsung.com>
   7  *               Girishashok Joshi <girish.joshi@samsung.com>
   8  *               Chanyeol Park <chanyeol.park@samsung.com>
   9  *
  10  * Licensed under the Apache License, Version 2.0 (the "License");
  11  * you may not use this file except in compliance with the License.
  12  * You may obtain a copy of the License at
  13  *
  14  *              http://www.apache.org/licenses/LICENSE-2.0
  15  *
  16  * Unless required by applicable law or agreed to in writing, software
  17  * distributed under the License is distributed on an "AS IS" BASIS,
  18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  19  * See the License for the specific language governing permissions and
  20  * limitations under the License.
  21  *
  22  */
  23
  24 #include "bluetooth-api.h"
  25 #include "bluetooth-hid-api.h"
  26 #include "bt-internal-types.h"
  27
  28 #include "bt-common.h"
  29 #include "bt-request-sender.h"
  30 #include "bt-event-handler.h"
  31
  32 BT_EXPORT_API int bluetooth_hid_init(hid_cb_func_ptr callback_ptr, void *user_data)
  33 {
  34         int ret;
  35
  36         /* Register AVRCP events */
  37         ret = _bt_register_event(BT_HID_EVENT , (void *)callback_ptr, user_data);
  38
  39         if (ret != BLUETOOTH_ERROR_NONE &&
  40              ret != BLUETOOTH_ERROR_ALREADY_INITIALIZED) {
  41                 BT_ERR("Fail to init the event handler");
  42                 return ret;
  43         }
  44
  45         _bt_set_user_data(BT_HID, (void *)callback_ptr, user_data);
  46
  47         return BLUETOOTH_ERROR_NONE;
  48 }
  49
  50 BT_EXPORT_API int bluetooth_hid_deinit(void)
  51 {
  52         int ret;
  53
  54         ret = _bt_unregister_event(BT_HID_EVENT);
  55
  56         if (ret != BLUETOOTH_ERROR_NONE) {
  57                 BT_ERR("Fail to deinit the event handler");
  58                 return ret;
  59         }
  60
  61         _bt_set_user_data(BT_HID, NULL, NULL);
  62
  63         return BLUETOOTH_ERROR_NONE;
  64 }
  65
  66 BT_EXPORT_API int bluetooth_hid_connect(hid_device_address_t *device_address)
  67 {
  68         int result;
  69         bt_user_info_t *user_info;
  70
  71         BT_CHECK_PARAMETER(device_address, return);
  72         BT_CHECK_ENABLED(return);
  73
  74         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_CONNECT)
  75              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
  76                 BT_ERR("Don't have a privilege to use this API");
  77                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
  78         }
  79
  80         user_info = _bt_get_user_data(BT_HID);
  81         retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
  82
  83         BT_INIT_PARAMS();
  84         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
  85
  86         g_array_append_vals(in_param1, device_address, sizeof(bluetooth_device_address_t));
  87
  88         result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_HID_CONNECT,
  89                 in_param1, in_param2, in_param3, in_param4,
  90                 user_info->cb, user_info->user_data);
  91
  92         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
  93
  94         return result;
  95 }
  96
  97 BT_EXPORT_API int bluetooth_hid_disconnect(hid_device_address_t *device_address)
  98 {
  99         int result;
 100         bt_user_info_t *user_info;
 101
 102         BT_CHECK_PARAMETER(device_address, return);
 103         BT_CHECK_ENABLED(return);
 104
 105         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DISCONNECT)
 106              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 107                 BT_ERR("Don't have a privilege to use this API");
 108                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 109         }
 110
 111         user_info = _bt_get_user_data(BT_HID);
 112         retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
 113
 114         BT_INIT_PARAMS();
 115         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 116
 117         g_array_append_vals(in_param1, device_address, sizeof(bluetooth_device_address_t));
 118
 119         result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_HID_DISCONNECT,
 120                 in_param1, in_param2, in_param3, in_param4,
 121                 user_info->cb, user_info->user_data);
 122
 123         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 124
 125         return result;
 126 }
 127