bt-api/bt-hid.c

   1 /*
   2  * bluetooth-frwk
   3  *
   4  * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *              http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include "bluetooth-api.h"
  21 #include "bluetooth-hid-api.h"
  22 #include "bt-internal-types.h"
  23
  24 #include "bt-common.h"
  25 #include "bt-request-sender.h"
  26 #include "bt-event-handler.h"
  27
  28 BT_EXPORT_API int bluetooth_hid_init(hid_cb_func_ptr callback_ptr, void *user_data)
  29 {
  30         int ret;
  31
  32         /* Register AVRCP events */
  33         ret = _bt_register_event(BT_HID_EVENT , (void *)callback_ptr, user_data);
  34
  35         if (ret != BLUETOOTH_ERROR_NONE &&
  36              ret != BLUETOOTH_ERROR_ALREADY_INITIALIZED) {
  37                 BT_ERR("Fail to init the event handler");
  38                 return ret;
  39         }
  40
  41         _bt_set_user_data(BT_HID, (void *)callback_ptr, user_data);
  42
  43         return BLUETOOTH_ERROR_NONE;
  44 }
  45
  46 BT_EXPORT_API int bluetooth_hid_deinit(void)
  47 {
  48         int ret;
  49
  50         ret = _bt_unregister_event(BT_HID_EVENT);
  51
  52         if (ret != BLUETOOTH_ERROR_NONE) {
  53                 BT_ERR("Fail to deinit the event handler");
  54                 return ret;
  55         }
  56
  57         _bt_set_user_data(BT_HID, NULL, NULL);
  58
  59         return BLUETOOTH_ERROR_NONE;
  60 }
  61
  62 BT_EXPORT_API int bluetooth_hid_connect(hid_device_address_t *device_address)
  63 {
  64         int result;
  65         bt_user_info_t *user_info;
  66
  67         BT_CHECK_PARAMETER(device_address, return);
  68         BT_CHECK_ENABLED(return);
  69
  70         BT_INIT_PARAMS();
  71         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
  72
  73         user_info = _bt_get_user_data(BT_HID);
  74         retv_if(user_info == NULL, BLUETOOTH_ERROR_INTERNAL);
  75
  76         g_array_append_vals(in_param1, device_address, sizeof(bluetooth_device_address_t));
  77
  78         result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_HID_CONNECT,
  79                 in_param1, in_param2, in_param3, in_param4,
  80                 user_info->cb, user_info->user_data);
  81
  82         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
  83
  84         return result;
  85 }
  86
  87 BT_EXPORT_API int bluetooth_hid_disconnect(hid_device_address_t *device_address)
  88 {
  89         int result;
  90         bt_user_info_t *user_info;
  91
  92         BT_CHECK_PARAMETER(device_address, return);
  93         BT_CHECK_ENABLED(return);
  94
  95         BT_INIT_PARAMS();
  96         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
  97
  98         user_info = _bt_get_user_data(BT_HID);
  99         retv_if(user_info == NULL, BLUETOOTH_ERROR_INTERNAL);
 100
 101         g_array_append_vals(in_param1, device_address, sizeof(bluetooth_device_address_t));
 102
 103         result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_HID_DISCONNECT,
 104                 in_param1, in_param2, in_param3, in_param4,
 105                 user_info->cb, user_info->user_data);
 106
 107         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 108
 109         return result;
 110 }
 111