hardware/bt_pan.h

   1 /*
   2  * Copyright (C) 2012 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef ANDROID_INCLUDE_BT_PAN_H
  18 #define ANDROID_INCLUDE_BT_PAN_H
  19
  20 __BEGIN_DECLS
  21
  22 #define BTPAN_ROLE_NONE      0
  23 #define BTPAN_ROLE_PANNAP    1
  24 #define BTPAN_ROLE_PANU      2
  25
  26 typedef enum {
  27     BTPAN_STATE_CONNECTED       = 0,
  28     BTPAN_STATE_CONNECTING      = 1,
  29     BTPAN_STATE_DISCONNECTED    = 2,
  30     BTPAN_STATE_DISCONNECTING   = 3
  31 } btpan_connection_state_t;
  32
  33 typedef enum {
  34     BTPAN_STATE_ENABLED = 0,
  35     BTPAN_STATE_DISABLED = 1
  36 } btpan_control_state_t;
  37
  38 /**
  39 * Callback for pan connection state
  40 */
  41 typedef void (*btpan_connection_state_callback)(btpan_connection_state_t state, bt_status_t error,
  42                                                 const bt_bdaddr_t *bd_addr, int local_role, int remote_role);
  43 typedef void (*btpan_control_state_callback)(btpan_control_state_t state, bt_status_t error,
  44                                             int local_role, const char* ifname);
  45
  46 typedef struct {
  47     size_t size;
  48     btpan_control_state_callback control_state_cb;
  49     btpan_connection_state_callback connection_state_cb;
  50 } btpan_callbacks_t;
  51 typedef struct {
  52     /** set to size of this struct*/
  53     size_t          size;
  54     /**
  55      * Initialize the pan interface and register the btpan callbacks
  56      */
  57     bt_status_t (*init)(const btpan_callbacks_t* callbacks);
  58     /*
  59      * enable the pan service by specified role. The result state of
  60      * enabl will be returned by btpan_control_state_callback. when pan-nap is enabled,
  61      * the state of connecting panu device will be notified by btpan_connection_state_callback
  62      */
  63     bt_status_t (*enable)(int local_role);
  64     /*
  65      * get current pan local role
  66      */
  67     int (*get_local_role)(void);
  68     /**
  69      * start bluetooth pan connection to the remote device by specified pan role. The result state will be
  70      * returned by btpan_connection_state_callback
  71      */
  72     bt_status_t (*connect)(const bt_bdaddr_t *bd_addr, int local_role, int remote_role);
  73     /**
  74      * stop bluetooth pan connection. The result state will be returned by btpan_connection_state_callback
  75      */
  76     bt_status_t (*disconnect)(const bt_bdaddr_t *bd_addr);
  77
  78     /**
  79      * Cleanup the pan interface
  80      */
  81     void (*cleanup)(void);
  82
  83 } btpan_interface_t;
  84
  85 __END_DECLS
  86
  87 #endif /* ANDROID_INCLUDE_BT_PAN_H */