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