1 /****************************************************************************** 2 * 3 * Copyright 2003-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /****************************************************************************** 20 * 21 * This is the implementation of the API for the audio gateway (AG) 22 * subsystem of BTA, Broadcom's Bluetooth application layer for mobile 23 * phones. 24 * 25 ******************************************************************************/ 26 27 #include "bta_ag_api.h" 28 #include <base/bind.h> 29 #include <cstring> 30 #include "bt_common.h" 31 #include "bta_ag_int.h" 32 #include "bta_api.h" 33 #include "bta_sys.h" 34 35 /***************************************************************************** 36 * Constants 37 ****************************************************************************/ 38 39 static const tBTA_SYS_REG bta_ag_reg = {bta_ag_hdl_event, BTA_AgDisable}; 40 const tBTA_AG_RES_DATA tBTA_AG_RES_DATA::kEmpty = {}; 41 42 /******************************************************************************* 43 * 44 * Function BTA_AgEnable 45 * 46 * Description Enable the audio gateway service. When the enable 47 * operation is complete the callback function will be 48 * called with a BTA_AG_ENABLE_EVT. This function must 49 * be called before other function in the AG API are 50 * called. 51 * 52 * Returns BTA_SUCCESS if OK, BTA_FAILURE otherwise. 53 * 54 ******************************************************************************/ 55 tBTA_STATUS BTA_AgEnable(tBTA_AG_CBACK* p_cback) { 56 /* Error if AG is already enabled, or AG is in the middle of disabling. */ 57 for (const tBTA_AG_SCB& scb : bta_ag_cb.scb) { 58 if (scb.in_use) { 59 APPL_TRACE_ERROR("BTA_AgEnable: FAILED, AG already enabled."); 60 return BTA_FAILURE; 61 } 62 } 63 bta_sys_register(BTA_ID_AG, &bta_ag_reg); 64 do_in_bta_thread(FROM_HERE, base::Bind(&bta_ag_api_enable, p_cback)); 65 return BTA_SUCCESS; 66 } 67 68 /******************************************************************************* 69 * 70 * Function BTA_AgDisable 71 * 72 * Description Disable the audio gateway service 73 * 74 * 75 * Returns void 76 * 77 ******************************************************************************/ 78 void BTA_AgDisable() { 79 do_in_bta_thread(FROM_HERE, base::Bind(&bta_ag_api_disable)); 80 } 81 82 /******************************************************************************* 83 * 84 * Function BTA_AgRegister 85 * 86 * Description Register an Audio Gateway service. 87 * 88 * 89 * Returns void 90 * 91 ******************************************************************************/ 92 void BTA_AgRegister(tBTA_SERVICE_MASK services, tBTA_SEC sec_mask, 93 tBTA_AG_FEAT features, 94 const std::vector<std::string>& service_names, 95 uint8_t app_id) { 96 do_in_bta_thread( 97 FROM_HERE, base::Bind(&bta_ag_api_register, services, sec_mask, features, 98 service_names, app_id)); 99 } 100 101 /******************************************************************************* 102 * 103 * Function BTA_AgDeregister 104 * 105 * Description Deregister an audio gateway service. 106 * 107 * 108 * Returns void 109 * 110 ******************************************************************************/ 111 void BTA_AgDeregister(uint16_t handle) { 112 do_in_bta_thread(FROM_HERE, 113 base::Bind(&bta_ag_sm_execute_by_handle, handle, 114 BTA_AG_API_DEREGISTER_EVT, tBTA_AG_DATA::kEmpty)); 115 } 116 117 /******************************************************************************* 118 * 119 * Function BTA_AgOpen 120 * 121 * Description Opens a connection to a headset or hands-free device. 122 * When connection is open callback function is called 123 * with a BTA_AG_OPEN_EVT. Only the data connection is 124 * opened. The audio connection is not opened. 125 * 126 * 127 * Returns void 128 * 129 ******************************************************************************/ 130 void BTA_AgOpen(uint16_t handle, const RawAddress& bd_addr, tBTA_SEC sec_mask) { 131 tBTA_AG_DATA data = {}; 132 data.api_open.bd_addr = bd_addr; 133 data.api_open.sec_mask = sec_mask; 134 do_in_bta_thread(FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle, 135 BTA_AG_API_OPEN_EVT, data)); 136 } 137 138 /******************************************************************************* 139 * 140 * Function BTA_AgClose 141 * 142 * Description Close the current connection to a headset or a handsfree 143 * Any current audio connection will also be closed. 144 * 145 * 146 * Returns void 147 * 148 ******************************************************************************/ 149 void BTA_AgClose(uint16_t handle) { 150 do_in_bta_thread(FROM_HERE, 151 base::Bind(&bta_ag_sm_execute_by_handle, handle, 152 BTA_AG_API_CLOSE_EVT, tBTA_AG_DATA::kEmpty)); 153 } 154 155 /******************************************************************************* 156 * 157 * Function BTA_AgAudioOpen 158 * 159 * Description Opens an audio connection to the currently connected 160 * headset or hnadsfree. 161 * 162 * 163 * Returns void 164 * 165 ******************************************************************************/ 166 void BTA_AgAudioOpen(uint16_t handle) { 167 do_in_bta_thread(FROM_HERE, 168 base::Bind(&bta_ag_sm_execute_by_handle, handle, 169 BTA_AG_API_AUDIO_OPEN_EVT, tBTA_AG_DATA::kEmpty)); 170 } 171 172 /******************************************************************************* 173 * 174 * Function BTA_AgAudioClose 175 * 176 * Description Close the currently active audio connection to a headset 177 * or hnadsfree. The data connection remains open 178 * 179 * 180 * Returns void 181 * 182 ******************************************************************************/ 183 void BTA_AgAudioClose(uint16_t handle) { 184 do_in_bta_thread( 185 FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle, 186 BTA_AG_API_AUDIO_CLOSE_EVT, tBTA_AG_DATA::kEmpty)); 187 } 188 189 /******************************************************************************* 190 * 191 * Function BTA_AgResult 192 * 193 * Description Send an AT result code to a headset or hands-free device. 194 * This function is only used when the AG parse mode is set 195 * to BTA_AG_PARSE. 196 * 197 * 198 * Returns void 199 * 200 ******************************************************************************/ 201 void BTA_AgResult(uint16_t handle, tBTA_AG_RES result, 202 const tBTA_AG_RES_DATA& data) { 203 do_in_bta_thread(FROM_HERE, 204 base::Bind(&bta_ag_api_result, handle, result, data)); 205 } 206 207 /******************************************************************************* 208 * 209 * Function BTA_AgSetCodec 210 * 211 * Description Specify the codec type to be used for the subsequent 212 * audio connection. 213 * 214 * 215 * 216 * Returns void 217 * 218 ******************************************************************************/ 219 void BTA_AgSetCodec(uint16_t handle, tBTA_AG_PEER_CODEC codec) { 220 tBTA_AG_DATA data = {}; 221 data.api_setcodec.codec = codec; 222 do_in_bta_thread(FROM_HERE, base::Bind(&bta_ag_sm_execute_by_handle, handle, 223 BTA_AG_API_SETCODEC_EVT, data)); 224 } 225 226 void BTA_AgSetScoAllowed(bool value) { 227 do_in_bta_thread(FROM_HERE, base::Bind(&bta_ag_set_sco_allowed, value)); 228 } 229 230 void BTA_AgSetActiveDevice(const RawAddress& active_device_addr) { 231 do_in_bta_thread( 232 FROM_HERE, base::Bind(&bta_ag_api_set_active_device, active_device_addr)); 233 } 234
