1 /****************************************************************************** 2 * 3 * Copyright (c) 2014 The Android Open Source Project 4 * Copyright (C) 2003-2012 Broadcom Corporation 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 /****************************************************************************** 21 * 22 * This is the implementation of the API for the handsfree (HF role) 23 * subsystem of BTA 24 * 25 ******************************************************************************/ 26 27 #include <string.h> 28 #include "bta_hf_client_api.h" 29 #include "bta_hf_client_int.h" 30 #include "osi/include/compat.h" 31 32 /***************************************************************************** 33 ** Constants and data types 34 *****************************************************************************/ 35 static const tBTA_SYS_REG bta_hf_client_reg = 36 { 37 bta_hf_client_hdl_event, 38 BTA_HfClientDisable 39 }; 40 41 42 /***************************************************************************** 43 ** External Function Declarations 44 *****************************************************************************/ 45 46 /******************************************************************************* 47 ** 48 ** Function BTA_HfClientEnable 49 ** 50 ** Description Enable the HF CLient service. When the enable 51 ** operation is complete the callback function will be 52 ** called with a BTA_HF_CLIENT_ENABLE_EVT. This function must 53 ** be called before other function in the HF CLient API are 54 ** called. 55 ** 56 ** Returns BTA_SUCCESS if OK, BTA_FAILURE otherwise. 57 ** 58 *******************************************************************************/ 59 tBTA_STATUS BTA_HfClientEnable(tBTA_HF_CLIENT_CBACK *p_cback) 60 { 61 tBTA_HF_CLIENT_API_ENABLE *p_buf; 62 63 if (bta_sys_is_register (BTA_ID_HS)) 64 { 65 APPL_TRACE_ERROR("BTA HF Client is already enabled, ignoring ..."); 66 return BTA_FAILURE; 67 } 68 69 /* register with BTA system manager */ 70 bta_sys_register(BTA_ID_HS, &bta_hf_client_reg); 71 72 if ((p_buf = (tBTA_HF_CLIENT_API_ENABLE *) GKI_getbuf(sizeof(tBTA_HF_CLIENT_API_ENABLE))) != NULL) 73 { 74 p_buf->hdr.event = BTA_HF_CLIENT_API_ENABLE_EVT; 75 p_buf->p_cback = p_cback; 76 bta_sys_sendmsg(p_buf); 77 } 78 79 return BTA_SUCCESS; 80 } 81 82 /******************************************************************************* 83 ** 84 ** Function BTA_HfClientDisable 85 ** 86 ** Description Disable the HF Client service 87 ** 88 ** 89 ** Returns void 90 ** 91 *******************************************************************************/ 92 void BTA_HfClientDisable(void) 93 { 94 BT_HDR *p_buf; 95 96 if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) 97 { 98 p_buf->event = BTA_HF_CLIENT_API_DISABLE_EVT; 99 bta_sys_sendmsg(p_buf); 100 } 101 } 102 103 /******************************************************************************* 104 ** 105 ** Function BTA_HfClientRegister 106 ** 107 ** Description Register an HF Client service. 108 ** 109 ** 110 ** Returns void 111 ** 112 *******************************************************************************/ 113 void BTA_HfClientRegister(tBTA_SEC sec_mask, tBTA_HF_CLIENT_FEAT features, 114 char *p_service_name) 115 { 116 tBTA_HF_CLIENT_API_REGISTER *p_buf; 117 118 if ((p_buf = (tBTA_HF_CLIENT_API_REGISTER *) GKI_getbuf(sizeof(tBTA_HF_CLIENT_API_REGISTER))) != NULL) 119 { 120 p_buf->hdr.event = BTA_HF_CLIENT_API_REGISTER_EVT; 121 p_buf->features = features; 122 p_buf->sec_mask = sec_mask; 123 if(p_service_name) 124 { 125 BCM_STRNCPY_S(p_buf->name, BTA_SERVICE_NAME_LEN+1, p_service_name, BTA_SERVICE_NAME_LEN); 126 p_buf->name[BTA_SERVICE_NAME_LEN] = 0; 127 } 128 else 129 { 130 p_buf->name[0] = '\0'; 131 } 132 bta_sys_sendmsg(p_buf); 133 } 134 } 135 136 /******************************************************************************* 137 ** 138 ** Function BTA_HfClientDeregister 139 ** 140 ** Description Deregister an HF Client service. 141 ** 142 ** 143 ** Returns void 144 ** 145 *******************************************************************************/ 146 void BTA_HfClientDeregister(UINT16 handle) 147 { 148 BT_HDR *p_buf; 149 150 if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) 151 { 152 p_buf->event = BTA_HF_CLIENT_API_DEREGISTER_EVT; 153 p_buf->layer_specific = handle; 154 bta_sys_sendmsg(p_buf); 155 } 156 } 157 158 /******************************************************************************* 159 ** 160 ** Function BTA_HfClientOpen 161 ** 162 ** Description Opens a connection to an audio gateway. 163 ** When connection is open callback function is called 164 ** with a BTA_AG_OPEN_EVT. Only the data connection is 165 ** opened. The audio connection is not opened. 166 ** 167 ** 168 ** Returns void 169 ** 170 *******************************************************************************/ 171 void BTA_HfClientOpen(UINT16 handle, BD_ADDR bd_addr, tBTA_SEC sec_mask) 172 { 173 tBTA_HF_CLIENT_API_OPEN *p_buf; 174 175 if ((p_buf = (tBTA_HF_CLIENT_API_OPEN *) GKI_getbuf(sizeof(tBTA_HF_CLIENT_API_OPEN))) != NULL) 176 { 177 p_buf->hdr.event = BTA_HF_CLIENT_API_OPEN_EVT; 178 p_buf->hdr.layer_specific = handle; 179 bdcpy(p_buf->bd_addr, bd_addr); 180 p_buf->sec_mask = sec_mask; 181 bta_sys_sendmsg(p_buf); 182 } 183 } 184 185 /******************************************************************************* 186 ** 187 ** Function BTA_HfClientClose 188 ** 189 ** Description Close the current connection to an audio gateway. 190 ** Any current audio connection will also be closed 191 ** 192 ** 193 ** Returns void 194 ** 195 *******************************************************************************/ 196 void BTA_HfClientClose(UINT16 handle) 197 { 198 BT_HDR *p_buf; 199 200 if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) 201 { 202 p_buf->event = BTA_HF_CLIENT_API_CLOSE_EVT; 203 p_buf->layer_specific = handle; 204 bta_sys_sendmsg(p_buf); 205 } 206 } 207 208 /******************************************************************************* 209 ** 210 ** Function BTA_HfCllientAudioOpen 211 ** 212 ** Description Opens an audio connection to the currently connected 213 ** audio gateway 214 ** 215 ** 216 ** Returns void 217 ** 218 *******************************************************************************/ 219 void BTA_HfClientAudioOpen(UINT16 handle) 220 { 221 BT_HDR *p_buf; 222 223 if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) 224 { 225 p_buf->event = BTA_HF_CLIENT_API_AUDIO_OPEN_EVT; 226 p_buf->layer_specific = handle; 227 bta_sys_sendmsg(p_buf); 228 } 229 } 230 231 /******************************************************************************* 232 ** 233 ** Function BTA_HfClientAudioClose 234 ** 235 ** Description Close the currently active audio connection to an audio 236 ** gateway. The data connection remains open 237 ** 238 ** 239 ** Returns void 240 ** 241 *******************************************************************************/ 242 void BTA_HfClientAudioClose(UINT16 handle) 243 { 244 BT_HDR *p_buf; 245 246 if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) 247 { 248 p_buf->event = BTA_HF_CLIENT_API_AUDIO_CLOSE_EVT; 249 p_buf->layer_specific = handle; 250 bta_sys_sendmsg(p_buf); 251 } 252 } 253 254 /******************************************************************************* 255 ** 256 ** Function BTA_HfClientSendAT 257 ** 258 ** Description send AT command 259 ** 260 ** 261 ** Returns void 262 ** 263 *******************************************************************************/ 264 void BTA_HfClientSendAT(UINT16 handle, tBTA_HF_CLIENT_AT_CMD_TYPE at, UINT32 val1, UINT32 val2, const char *str) 265 { 266 tBTA_HF_CLIENT_DATA_VAL *p_buf; 267 268 if ((p_buf = (tBTA_HF_CLIENT_DATA_VAL *) GKI_getbuf(sizeof(tBTA_HF_CLIENT_DATA_VAL))) != NULL) 269 { 270 p_buf->hdr.event = BTA_HF_CLIENT_SEND_AT_CMD_EVT; 271 p_buf->uint8_val = at; 272 p_buf->uint32_val1 = val1; 273 p_buf->uint32_val2 = val2; 274 275 if (str) 276 { 277 strlcpy(p_buf->str, str, BTA_HF_CLIENT_NUMBER_LEN + 1); 278 p_buf->str[BTA_HF_CLIENT_NUMBER_LEN] = '\0'; 279 } 280 else 281 { 282 p_buf->str[0] = '\0'; 283 } 284 285 p_buf->hdr.layer_specific = handle; 286 bta_sys_sendmsg(p_buf); 287 } 288 } 289
