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_HL_H 18 #define ANDROID_INCLUDE_BT_HL_H 19 20 __BEGIN_DECLS 21 22 /* HL connection states */ 23 24 typedef enum { BTHL_MDEP_ROLE_SOURCE, BTHL_MDEP_ROLE_SINK } bthl_mdep_role_t; 25 26 typedef enum { 27 BTHL_APP_REG_STATE_REG_SUCCESS, 28 BTHL_APP_REG_STATE_REG_FAILED, 29 BTHL_APP_REG_STATE_DEREG_SUCCESS, 30 BTHL_APP_REG_STATE_DEREG_FAILED 31 } bthl_app_reg_state_t; 32 33 typedef enum { 34 BTHL_CHANNEL_TYPE_RELIABLE, 35 BTHL_CHANNEL_TYPE_STREAMING, 36 BTHL_CHANNEL_TYPE_ANY 37 } bthl_channel_type_t; 38 39 /* HL connection states */ 40 typedef enum { 41 BTHL_CONN_STATE_CONNECTING, 42 BTHL_CONN_STATE_CONNECTED, 43 BTHL_CONN_STATE_DISCONNECTING, 44 BTHL_CONN_STATE_DISCONNECTED, 45 BTHL_CONN_STATE_DESTROYED 46 } bthl_channel_state_t; 47 48 typedef struct { 49 bthl_mdep_role_t mdep_role; 50 int data_type; 51 bthl_channel_type_t channel_type; 52 const char* mdep_description; /* MDEP description to be used in the SDP 53 (optional); null terminated */ 54 } bthl_mdep_cfg_t; 55 56 typedef struct { 57 const char* application_name; 58 const char* 59 provider_name; /* provider name to be used in the SDP (optional); null 60 terminated */ 61 const char* srv_name; /* service name to be used in the SDP (optional); null 62 terminated*/ 63 const char* 64 srv_desp; /* service description to be used in the SDP (optional); null 65 terminated */ 66 int number_of_mdeps; 67 bthl_mdep_cfg_t* mdep_cfg; /* Dynamic array */ 68 } bthl_reg_param_t; 69 70 /** Callback for application registration status. 71 * state will have one of the values from bthl_app_reg_state_t 72 */ 73 typedef void (*bthl_app_reg_state_callback)(int app_id, 74 bthl_app_reg_state_t state); 75 76 /** Callback for channel connection state change. 77 * state will have one of the values from 78 * bthl_connection_state_t and fd (file descriptor) 79 */ 80 typedef void (*bthl_channel_state_callback)(int app_id, RawAddress* bd_addr, 81 int mdep_cfg_index, int channel_id, 82 bthl_channel_state_t state, int fd); 83 84 /** BT-HL callback structure. */ 85 typedef struct { 86 /** set to sizeof(bthl_callbacks_t) */ 87 size_t size; 88 bthl_app_reg_state_callback app_reg_state_cb; 89 bthl_channel_state_callback channel_state_cb; 90 } bthl_callbacks_t; 91 92 /** Represents the standard BT-HL interface. */ 93 typedef struct { 94 /** set to sizeof(bthl_interface_t) */ 95 size_t size; 96 97 /** 98 * Register the Bthl callbacks 99 */ 100 bt_status_t (*init)(bthl_callbacks_t* callbacks); 101 102 /** Register HL application */ 103 bt_status_t (*register_application)(bthl_reg_param_t* p_reg_param, 104 int* app_id); 105 106 /** Unregister HL application */ 107 bt_status_t (*unregister_application)(int app_id); 108 109 /** connect channel */ 110 bt_status_t (*connect_channel)(int app_id, RawAddress* bd_addr, 111 int mdep_cfg_index, int* channel_id); 112 113 /** destroy channel */ 114 bt_status_t (*destroy_channel)(int channel_id); 115 116 /** Close the Bthl callback **/ 117 void (*cleanup)(void); 118 119 } bthl_interface_t; 120 __END_DECLS 121 122 #endif /* ANDROID_INCLUDE_BT_HL_H */ 123
