1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 #define __BTSTACK_FILE__ "hfp_hf.c" 39 40 // ***************************************************************************** 41 // 42 // HFP Hands-Free (HF) unit 43 // 44 // ***************************************************************************** 45 46 #include "btstack_config.h" 47 48 #include <stdint.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 53 #include "bluetooth_sdp.h" 54 #include "btstack_debug.h" 55 #include "btstack_memory.h" 56 #include "btstack_run_loop.h" 57 #include "classic/core.h" 58 #include "classic/hfp.h" 59 #include "classic/hfp_hf.h" 60 #include "classic/sdp_client_rfcomm.h" 61 #include "classic/sdp_server.h" 62 #include "classic/sdp_util.h" 63 #include "hci.h" 64 #include "hci_cmd.h" 65 #include "hci_dump.h" 66 #include "l2cap.h" 67 68 static const char default_hfp_hf_service_name[] = "Hands-Free unit"; 69 static uint16_t hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 70 static uint8_t hfp_codecs_nr = 0; 71 static uint8_t hfp_codecs[HFP_MAX_NUM_CODECS]; 72 73 static uint8_t hfp_indicators_nr = 0; 74 static uint8_t hfp_indicators[HFP_MAX_NUM_HF_INDICATORS]; 75 static uint32_t hfp_indicators_value[HFP_MAX_NUM_HF_INDICATORS]; 76 77 static uint8_t hfp_hf_speaker_gain = 9; 78 static uint8_t hfp_hf_microphone_gain = 9; 79 80 static btstack_packet_handler_t hfp_callback; 81 82 static hfp_call_status_t hfp_call_status; 83 static hfp_callsetup_status_t hfp_callsetup_status; 84 static hfp_callheld_status_t hfp_callheld_status; 85 86 static char phone_number[25]; 87 88 static btstack_packet_callback_registration_t hci_event_callback_registration; 89 90 void hfp_hf_register_packet_handler(btstack_packet_handler_t callback){ 91 hfp_callback = callback; 92 if (callback == NULL){ 93 log_error("hfp_hf_register_packet_handler called with NULL callback"); 94 return; 95 } 96 hfp_callback = callback; 97 hfp_set_callback(callback); 98 } 99 100 static void hfp_hf_emit_subscriber_information(btstack_packet_handler_t callback, uint8_t event_subtype, uint8_t status, uint8_t bnip_type, const char * bnip_number){ 101 if (!callback) return; 102 uint8_t event[31]; 103 event[0] = HCI_EVENT_HFP_META; 104 event[1] = sizeof(event) - 2; 105 event[2] = event_subtype; 106 event[3] = status; 107 event[4] = bnip_type; 108 int size = (strlen(bnip_number) < sizeof(event) - 6) ? (int) strlen(bnip_number) : (int) sizeof(event) - 6; 109 strncpy((char*)&event[5], bnip_number, size); 110 event[5 + size] = 0; 111 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 112 } 113 114 static void hfp_hf_emit_type_and_number(btstack_packet_handler_t callback, uint8_t event_subtype, uint8_t bnip_type, const char * bnip_number){ 115 if (!callback) return; 116 uint8_t event[30]; 117 event[0] = HCI_EVENT_HFP_META; 118 event[1] = sizeof(event) - 2; 119 event[2] = event_subtype; 120 event[3] = bnip_type; 121 int size = (strlen(bnip_number) < sizeof(event) - 5) ? (int) strlen(bnip_number) : (int) sizeof(event) - 5; 122 strncpy((char*)&event[4], bnip_number, size); 123 event[4 + size] = 0; 124 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 125 } 126 127 static void hfp_hf_emit_enhanced_call_status(btstack_packet_handler_t callback, uint8_t clcc_idx, uint8_t clcc_dir, 128 uint8_t clcc_status, uint8_t clcc_mpty, uint8_t bnip_type, const char * bnip_number){ 129 if (!callback) return; 130 uint8_t event[35]; 131 event[0] = HCI_EVENT_HFP_META; 132 event[1] = sizeof(event) - 2; 133 event[2] = HFP_SUBEVENT_ENHANCED_CALL_STATUS; 134 event[3] = clcc_idx; 135 event[4] = clcc_dir; 136 event[6] = clcc_status; 137 event[7] = clcc_mpty; 138 event[8] = bnip_type; 139 int size = (strlen(bnip_number) < sizeof(event) - 10) ? (int) strlen(bnip_number) : (int) sizeof(event) - 10; 140 strncpy((char*)&event[9], bnip_number, size); 141 event[9 + size] = 0; 142 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 143 } 144 145 static int has_codec_negotiation_feature(hfp_connection_t * hfp_connection){ 146 int hf = get_bit(hfp_supported_features, HFP_HFSF_CODEC_NEGOTIATION); 147 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_CODEC_NEGOTIATION); 148 return hf && ag; 149 } 150 151 static int has_call_waiting_and_3way_calling_feature(hfp_connection_t * hfp_connection){ 152 int hf = get_bit(hfp_supported_features, HFP_HFSF_THREE_WAY_CALLING); 153 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_THREE_WAY_CALLING); 154 return hf && ag; 155 } 156 157 158 static int has_hf_indicators_feature(hfp_connection_t * hfp_connection){ 159 int hf = get_bit(hfp_supported_features, HFP_HFSF_HF_INDICATORS); 160 int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_HF_INDICATORS); 161 return hf && ag; 162 } 163 164 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 165 166 void hfp_hf_create_sdp_record(uint8_t * service, uint32_t service_record_handle, int rfcomm_channel_nr, const char * name, uint16_t supported_features, int wide_band_speech){ 167 if (!name){ 168 name = default_hfp_hf_service_name; 169 } 170 hfp_create_sdp_record(service, service_record_handle, BLUETOOTH_SERVICE_CLASS_HANDSFREE, rfcomm_channel_nr, name); 171 172 // Construct SupportedFeatures for SDP bitmap: 173 // 174 // "The values of the “SupportedFeatures” bitmap given in Table 5.4 shall be the same as the values 175 // of the Bits 0 to 4 of the unsolicited result code +BRSF" 176 // 177 uint16_t sdp_features = supported_features & 0x1f; 178 if (supported_features & wide_band_speech){ 179 sdp_features |= 1 << 5; // Wide band speech bit 180 } 181 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0311); // Hands-Free Profile - SupportedFeatures 182 de_add_number(service, DE_UINT, DE_SIZE_16, sdp_features); 183 } 184 185 186 static inline int hfp_hf_send_cmd(uint16_t cid, const char * cmd){ 187 char buffer[20]; 188 snprintf(buffer, sizeof(buffer), "AT%s\r\n", cmd); 189 return send_str_over_rfcomm(cid, buffer); 190 } 191 192 static inline int hfp_hf_send_cmd_with_mark(uint16_t cid, const char * cmd, const char * mark){ 193 char buffer[20]; 194 snprintf(buffer, sizeof(buffer), "AT%s%s\r\n", cmd, mark); 195 return send_str_over_rfcomm(cid, buffer); 196 } 197 198 static inline int hfp_hf_send_cmd_with_int(uint16_t cid, const char * cmd, uint8_t value){ 199 char buffer[40]; 200 snprintf(buffer, sizeof(buffer), "AT%s=%d\r\n", cmd, value); 201 return send_str_over_rfcomm(cid, buffer); 202 } 203 204 static int hfp_hf_cmd_notify_on_codecs(uint16_t cid){ 205 char buffer[30]; 206 const int size = sizeof(buffer); 207 int offset = snprintf(buffer, size, "AT%s=", HFP_AVAILABLE_CODECS); 208 offset += join(buffer+offset, size-offset, hfp_codecs, hfp_codecs_nr); 209 offset += snprintf(buffer+offset, size-offset, "\r\n"); 210 return send_str_over_rfcomm(cid, buffer); 211 } 212 213 static int hfp_hf_cmd_activate_status_update_for_ag_indicator(uint16_t cid, uint32_t indicators_status, int indicators_nr){ 214 char buffer[50]; 215 const int size = sizeof(buffer); 216 int offset = snprintf(buffer, size, "AT%s=", HFP_UPDATE_ENABLE_STATUS_FOR_INDIVIDUAL_AG_INDICATORS); 217 offset += join_bitmap(buffer+offset, size-offset, indicators_status, indicators_nr); 218 offset += snprintf(buffer+offset, size-offset, "\r\n"); 219 return send_str_over_rfcomm(cid, buffer); 220 } 221 222 static int hfp_hf_cmd_list_supported_generic_status_indicators(uint16_t cid){ 223 char buffer[30]; 224 const int size = sizeof(buffer); 225 int offset = snprintf(buffer, size, "AT%s=", HFP_GENERIC_STATUS_INDICATOR); 226 offset += join(buffer+offset, size-offset, hfp_indicators, hfp_indicators_nr); 227 offset += snprintf(buffer+offset, size-offset, "\r\n"); 228 return send_str_over_rfcomm(cid, buffer); 229 } 230 231 static int hfp_hf_cmd_activate_status_update_for_all_ag_indicators(uint16_t cid, uint8_t activate){ 232 char buffer[20]; 233 snprintf(buffer, sizeof(buffer), "AT%s=3,0,0,%d\r\n", HFP_ENABLE_STATUS_UPDATE_FOR_AG_INDICATORS, activate); 234 return send_str_over_rfcomm(cid, buffer); 235 } 236 237 static int hfp_hf_initiate_outgoing_call_cmd(uint16_t cid){ 238 char buffer[40]; 239 snprintf(buffer, sizeof(buffer), "%s%s;\r\n", HFP_CALL_PHONE_NUMBER, phone_number); 240 return send_str_over_rfcomm(cid, buffer); 241 } 242 243 static int hfp_hf_send_memory_dial_cmd(uint16_t cid, int memory_id){ 244 char buffer[40]; 245 snprintf(buffer, sizeof(buffer), "%s>%d;\r\n", HFP_CALL_PHONE_NUMBER, memory_id); 246 return send_str_over_rfcomm(cid, buffer); 247 } 248 249 static int hfp_hf_send_chld(uint16_t cid, unsigned int number){ 250 char buffer[40]; 251 snprintf(buffer, sizeof(buffer), "AT%s=%u\r\n", HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES, number); 252 return send_str_over_rfcomm(cid, buffer); 253 } 254 255 static int hfp_hf_send_dtmf(uint16_t cid, char code){ 256 char buffer[20]; 257 snprintf(buffer, sizeof(buffer), "AT%s=%c\r\n", HFP_TRANSMIT_DTMF_CODES, code); 258 return send_str_over_rfcomm(cid, buffer); 259 } 260 261 static int hfp_hf_cmd_exchange_supported_features(uint16_t cid){ 262 return hfp_hf_send_cmd_with_int(cid, HFP_SUPPORTED_FEATURES, hfp_supported_features); 263 } 264 265 static int hfp_hf_cmd_retrieve_indicators(uint16_t cid){ 266 return hfp_hf_send_cmd_with_mark(cid, HFP_INDICATOR, "=?"); 267 } 268 269 static int hfp_hf_cmd_retrieve_indicators_status(uint16_t cid){ 270 return hfp_hf_send_cmd_with_mark(cid, HFP_INDICATOR, "?"); 271 } 272 273 static int hfp_hf_cmd_retrieve_can_hold_call(uint16_t cid){ 274 return hfp_hf_send_cmd_with_mark(cid, HFP_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES, "=?"); 275 } 276 277 static int hfp_hf_cmd_retrieve_supported_generic_status_indicators(uint16_t cid){ 278 return hfp_hf_send_cmd_with_mark(cid, HFP_GENERIC_STATUS_INDICATOR, "=?"); 279 } 280 281 static int hfp_hf_cmd_list_initital_supported_generic_status_indicators(uint16_t cid){ 282 return hfp_hf_send_cmd_with_mark(cid, HFP_GENERIC_STATUS_INDICATOR, "?"); 283 } 284 285 static int hfp_hf_cmd_query_operator_name_format(uint16_t cid){ 286 return hfp_hf_send_cmd_with_mark(cid, HFP_QUERY_OPERATOR_SELECTION, "=3,0"); 287 } 288 289 static int hfp_hf_cmd_query_operator_name(uint16_t cid){ 290 return hfp_hf_send_cmd_with_mark(cid, HFP_QUERY_OPERATOR_SELECTION, "?"); 291 } 292 293 static int hfp_hf_cmd_trigger_codec_connection_setup(uint16_t cid){ 294 return hfp_hf_send_cmd(cid, HFP_TRIGGER_CODEC_CONNECTION_SETUP); 295 } 296 297 static int hfp_hf_cmd_ata(uint16_t cid){ 298 return hfp_hf_send_cmd(cid, HFP_CALL_ANSWERED); 299 } 300 301 static int hfp_hf_set_microphone_gain_cmd(uint16_t cid, int gain){ 302 return hfp_hf_send_cmd_with_int(cid, HFP_SET_MICROPHONE_GAIN, gain); 303 } 304 305 static int hfp_hf_set_speaker_gain_cmd(uint16_t cid, int gain){ 306 return hfp_hf_send_cmd_with_int(cid, HFP_SET_SPEAKER_GAIN, gain); 307 } 308 309 static int hfp_hf_set_calling_line_notification_cmd(uint16_t cid, uint8_t activate){ 310 return hfp_hf_send_cmd_with_int(cid, HFP_ENABLE_CLIP, activate); 311 } 312 313 static int hfp_hf_set_echo_canceling_and_noise_reduction_cmd(uint16_t cid, uint8_t activate){ 314 return hfp_hf_send_cmd_with_int(cid, HFP_TURN_OFF_EC_AND_NR, activate); 315 } 316 317 static int hfp_hf_set_voice_recognition_notification_cmd(uint16_t cid, uint8_t activate){ 318 return hfp_hf_send_cmd_with_int(cid, HFP_ACTIVATE_VOICE_RECOGNITION, activate); 319 } 320 321 static int hfp_hf_set_call_waiting_notification_cmd(uint16_t cid, uint8_t activate){ 322 return hfp_hf_send_cmd_with_int(cid, HFP_ENABLE_CALL_WAITING_NOTIFICATION, activate); 323 } 324 325 static int hfp_hf_cmd_confirm_codec(uint16_t cid, uint8_t codec){ 326 return hfp_hf_send_cmd_with_int(cid, HFP_CONFIRM_COMMON_CODEC, codec); 327 } 328 329 static int hfp_hf_cmd_enable_extended_audio_gateway_error_report(uint16_t cid, uint8_t enable){ 330 return hfp_hf_send_cmd_with_int(cid, HFP_ENABLE_EXTENDED_AUDIO_GATEWAY_ERROR, enable); 331 } 332 333 static int hfp_hf_send_redial_last_number_cmd(uint16_t cid){ 334 return hfp_hf_send_cmd(cid, HFP_REDIAL_LAST_NUMBER); 335 } 336 337 static int hfp_hf_send_chup(uint16_t cid){ 338 return hfp_hf_send_cmd(cid, HFP_HANG_UP_CALL); 339 } 340 341 static int hfp_hf_send_binp(uint16_t cid){ 342 return hfp_hf_send_cmd_with_mark(cid, HFP_PHONE_NUMBER_FOR_VOICE_TAG, "=1"); 343 } 344 345 static int hfp_hf_send_clcc(uint16_t cid){ 346 return hfp_hf_send_cmd(cid, HFP_LIST_CURRENT_CALLS); 347 } 348 349 static void hfp_emit_ag_indicator_event(btstack_packet_handler_t callback, hfp_ag_indicator_t indicator){ 350 if (!callback) return; 351 uint8_t event[5+HFP_MAX_INDICATOR_DESC_SIZE+1]; 352 event[0] = HCI_EVENT_HFP_META; 353 event[1] = sizeof(event) - 2; 354 event[2] = HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED; 355 event[3] = indicator.index; 356 event[4] = indicator.status; 357 strncpy((char*)&event[5], indicator.name, HFP_MAX_INDICATOR_DESC_SIZE); 358 event[5+HFP_MAX_INDICATOR_DESC_SIZE] = 0; 359 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 360 } 361 362 static void hfp_emit_network_operator_event(btstack_packet_handler_t callback, hfp_network_opearator_t network_operator){ 363 if (!callback) return; 364 uint8_t event[5+HFP_MAX_NETWORK_OPERATOR_NAME_SIZE+1]; 365 event[0] = HCI_EVENT_HFP_META; 366 event[1] = sizeof(event) - 2; 367 event[2] = HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED; 368 event[3] = network_operator.mode; 369 event[4] = network_operator.format; 370 strncpy((char*)&event[5], network_operator.name, HFP_MAX_NETWORK_OPERATOR_NAME_SIZE); 371 event[5+HFP_MAX_NETWORK_OPERATOR_NAME_SIZE] = 0; 372 (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 373 } 374 375 static int hfp_hf_run_for_context_service_level_connection(hfp_connection_t * hfp_connection){ 376 if (hfp_connection->state >= HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 377 if (hfp_connection->ok_pending) return 0; 378 int done = 1; 379 380 switch (hfp_connection->state){ 381 case HFP_EXCHANGE_SUPPORTED_FEATURES: 382 hfp_hf_drop_mSBC_if_eSCO_not_supported(hfp_codecs, &hfp_codecs_nr); 383 hfp_connection->state = HFP_W4_EXCHANGE_SUPPORTED_FEATURES; 384 hfp_hf_cmd_exchange_supported_features(hfp_connection->rfcomm_cid); 385 break; 386 case HFP_NOTIFY_ON_CODECS: 387 hfp_connection->state = HFP_W4_NOTIFY_ON_CODECS; 388 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 389 break; 390 case HFP_RETRIEVE_INDICATORS: 391 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS; 392 hfp_hf_cmd_retrieve_indicators(hfp_connection->rfcomm_cid); 393 break; 394 case HFP_RETRIEVE_INDICATORS_STATUS: 395 hfp_connection->state = HFP_W4_RETRIEVE_INDICATORS_STATUS; 396 hfp_hf_cmd_retrieve_indicators_status(hfp_connection->rfcomm_cid); 397 break; 398 case HFP_ENABLE_INDICATORS_STATUS_UPDATE: 399 hfp_connection->state = HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE; 400 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, 1); 401 break; 402 case HFP_RETRIEVE_CAN_HOLD_CALL: 403 hfp_connection->state = HFP_W4_RETRIEVE_CAN_HOLD_CALL; 404 hfp_hf_cmd_retrieve_can_hold_call(hfp_connection->rfcomm_cid); 405 break; 406 case HFP_LIST_GENERIC_STATUS_INDICATORS: 407 hfp_connection->state = HFP_W4_LIST_GENERIC_STATUS_INDICATORS; 408 hfp_hf_cmd_list_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 409 break; 410 case HFP_RETRIEVE_GENERIC_STATUS_INDICATORS: 411 hfp_connection->state = HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS; 412 hfp_hf_cmd_retrieve_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 413 break; 414 case HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 415 hfp_connection->state = HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 416 hfp_hf_cmd_list_initital_supported_generic_status_indicators(hfp_connection->rfcomm_cid); 417 break; 418 default: 419 done = 0; 420 break; 421 } 422 return done; 423 } 424 425 426 static int hfp_hf_run_for_context_service_level_connection_queries(hfp_connection_t * hfp_connection){ 427 if (hfp_connection->state != HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0; 428 if (hfp_connection->ok_pending) return 0; 429 430 int done = 0; 431 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 432 hfp_connection->ok_pending = 1; 433 done = 1; 434 hfp_hf_cmd_activate_status_update_for_all_ag_indicators(hfp_connection->rfcomm_cid, hfp_connection->enable_status_update_for_ag_indicators); 435 return done; 436 }; 437 if (hfp_connection->change_status_update_for_individual_ag_indicators){ 438 hfp_connection->ok_pending = 1; 439 done = 1; 440 hfp_hf_cmd_activate_status_update_for_ag_indicator(hfp_connection->rfcomm_cid, 441 hfp_connection->ag_indicators_status_update_bitmap, 442 hfp_connection->ag_indicators_nr); 443 return done; 444 } 445 446 switch (hfp_connection->hf_query_operator_state){ 447 case HFP_HF_QUERY_OPERATOR_SET_FORMAT: 448 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK; 449 hfp_connection->ok_pending = 1; 450 hfp_hf_cmd_query_operator_name_format(hfp_connection->rfcomm_cid); 451 return 1; 452 case HFP_HF_QUERY_OPERATOR_SEND_QUERY: 453 hfp_connection->hf_query_operator_state = HPF_HF_QUERY_OPERATOR_W4_RESULT; 454 hfp_connection->ok_pending = 1; 455 hfp_hf_cmd_query_operator_name(hfp_connection->rfcomm_cid); 456 return 1; 457 default: 458 break; 459 } 460 461 if (hfp_connection->enable_extended_audio_gateway_error_report){ 462 hfp_connection->ok_pending = 1; 463 done = 1; 464 hfp_hf_cmd_enable_extended_audio_gateway_error_report(hfp_connection->rfcomm_cid, hfp_connection->enable_extended_audio_gateway_error_report); 465 return done; 466 } 467 468 return done; 469 } 470 471 static int codecs_exchange_state_machine(hfp_connection_t * hfp_connection){ 472 /* events ( == commands): 473 HFP_CMD_AVAILABLE_CODECS == received AT+BAC with list of codecs 474 HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 475 hf_trigger_codec_connection_setup == received BCC 476 ag_trigger_codec_connection_setup == received from AG to send BCS 477 HFP_CMD_HF_CONFIRMED_CODEC == received AT+BCS 478 */ 479 480 if (hfp_connection->ok_pending) return 0; 481 482 switch (hfp_connection->command){ 483 case HFP_CMD_AVAILABLE_CODECS: 484 if (hfp_connection->codecs_state == HFP_CODECS_W4_AG_COMMON_CODEC) return 0; 485 486 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 487 hfp_connection->ok_pending = 1; 488 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 489 return 1; 490 case HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP: 491 hfp_connection->codec_confirmed = 0; 492 hfp_connection->suggested_codec = 0; 493 hfp_connection->negotiated_codec = 0; 494 495 hfp_connection->codecs_state = HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE; 496 hfp_connection->ok_pending = 1; 497 hfp_hf_cmd_trigger_codec_connection_setup(hfp_connection->rfcomm_cid); 498 break; 499 500 case HFP_CMD_AG_SUGGESTED_CODEC:{ 501 if (hfp_supports_codec(hfp_connection->suggested_codec, hfp_codecs_nr, hfp_codecs)){ 502 hfp_connection->codec_confirmed = hfp_connection->suggested_codec; 503 hfp_connection->ok_pending = 1; 504 hfp_connection->codecs_state = HFP_CODECS_HF_CONFIRMED_CODEC; 505 hfp_connection->negotiated_codec = hfp_connection->suggested_codec; 506 log_info("hfp: codec confirmed: %s", hfp_connection->negotiated_codec == HFP_CODEC_MSBC ? "mSBC" : "CVSD"); 507 hfp_hf_cmd_confirm_codec(hfp_connection->rfcomm_cid, hfp_connection->codec_confirmed); 508 } else { 509 hfp_connection->codec_confirmed = 0; 510 hfp_connection->suggested_codec = 0; 511 hfp_connection->negotiated_codec = 0; 512 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 513 hfp_connection->ok_pending = 1; 514 hfp_hf_cmd_notify_on_codecs(hfp_connection->rfcomm_cid); 515 516 } 517 break; 518 } 519 default: 520 break; 521 } 522 return 0; 523 } 524 525 static int hfp_hf_run_for_audio_connection(hfp_connection_t * hfp_connection){ 526 if (hfp_connection->state < HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED || 527 hfp_connection->state > HFP_W2_DISCONNECT_SCO) return 0; 528 529 530 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED && hfp_connection->release_audio_connection){ 531 hfp_connection->state = HFP_W4_SCO_DISCONNECTED; 532 hfp_connection->release_audio_connection = 0; 533 gap_disconnect(hfp_connection->sco_handle); 534 return 1; 535 } 536 537 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return 0; 538 539 // run codecs exchange 540 int done = codecs_exchange_state_machine(hfp_connection); 541 if (done) return 1; 542 543 return 0; 544 } 545 546 static int call_setup_state_machine(hfp_connection_t * hfp_connection){ 547 if (hfp_connection->hf_answer_incoming_call){ 548 hfp_hf_cmd_ata(hfp_connection->rfcomm_cid); 549 hfp_connection->hf_answer_incoming_call = 0; 550 return 1; 551 } 552 return 0; 553 } 554 555 static void hfp_run_for_context(hfp_connection_t * hfp_connection){ 556 if (!hfp_connection) return; 557 if (!hfp_connection->rfcomm_cid) return; 558 559 if (hfp_connection->hf_accept_sco && hci_can_send_command_packet_now()){ 560 561 hfp_connection->hf_accept_sco = 0; 562 563 // notify about codec selection if not done already 564 if (hfp_connection->negotiated_codec == 0){ 565 hfp_connection->negotiated_codec = HFP_CODEC_CVSD; 566 } 567 568 // remote supported feature eSCO is set if link type is eSCO 569 // eSCO: S4 - max latency == transmission interval = 0x000c == 12 ms, 570 uint16_t max_latency; 571 uint8_t retransmission_effort; 572 uint16_t packet_types; 573 574 if (hci_extended_sco_link_supported() && hci_remote_esco_supported(hfp_connection->acl_handle)){ 575 max_latency = 0x000c; 576 retransmission_effort = 0x02; 577 packet_types = 0x388; 578 } else { 579 max_latency = 0xffff; 580 retransmission_effort = 0xff; 581 packet_types = 0x003f; 582 } 583 584 uint16_t sco_voice_setting = hci_get_sco_voice_setting(); 585 if (hfp_connection->negotiated_codec == HFP_CODEC_MSBC){ 586 sco_voice_setting = 0x0043; // Transparent data 587 } 588 589 log_info("HFP: sending hci_accept_connection_request, sco_voice_setting 0x%02x", sco_voice_setting); 590 hci_send_cmd(&hci_accept_synchronous_connection, hfp_connection->remote_addr, 8000, 8000, max_latency, 591 sco_voice_setting, retransmission_effort, packet_types); 592 return; 593 } 594 595 if (!rfcomm_can_send_packet_now(hfp_connection->rfcomm_cid)) return; 596 597 int done = hfp_hf_run_for_context_service_level_connection(hfp_connection); 598 if (!done){ 599 done = hfp_hf_run_for_context_service_level_connection_queries(hfp_connection); 600 } 601 if (!done){ 602 done = hfp_hf_run_for_audio_connection(hfp_connection); 603 } 604 if (!done){ 605 done = call_setup_state_machine(hfp_connection); 606 } 607 608 // don't send a new command while ok still pending 609 if (hfp_connection->ok_pending) return; 610 611 if (hfp_connection->send_microphone_gain){ 612 hfp_connection->send_microphone_gain = 0; 613 hfp_connection->ok_pending = 1; 614 hfp_hf_set_microphone_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->microphone_gain); 615 return; 616 } 617 618 if (hfp_connection->send_speaker_gain){ 619 hfp_connection->send_speaker_gain = 0; 620 hfp_connection->ok_pending = 1; 621 hfp_hf_set_speaker_gain_cmd(hfp_connection->rfcomm_cid, hfp_connection->speaker_gain); 622 return; 623 } 624 625 if (hfp_connection->hf_deactivate_calling_line_notification){ 626 hfp_connection->hf_deactivate_calling_line_notification = 0; 627 hfp_connection->ok_pending = 1; 628 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 0); 629 return; 630 } 631 632 if (hfp_connection->hf_activate_calling_line_notification){ 633 hfp_connection->hf_activate_calling_line_notification = 0; 634 hfp_connection->ok_pending = 1; 635 hfp_hf_set_calling_line_notification_cmd(hfp_connection->rfcomm_cid, 1); 636 return; 637 } 638 639 if (hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction){ 640 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 0; 641 hfp_connection->ok_pending = 1; 642 hfp_hf_set_echo_canceling_and_noise_reduction_cmd(hfp_connection->rfcomm_cid, 0); 643 return; 644 } 645 646 if (hfp_connection->hf_activate_echo_canceling_and_noise_reduction){ 647 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 0; 648 hfp_connection->ok_pending = 1; 649 hfp_hf_set_echo_canceling_and_noise_reduction_cmd(hfp_connection->rfcomm_cid, 1); 650 return; 651 } 652 653 if (hfp_connection->hf_deactivate_voice_recognition_notification){ 654 hfp_connection->hf_deactivate_voice_recognition_notification = 0; 655 hfp_connection->ok_pending = 1; 656 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 0); 657 return; 658 } 659 660 if (hfp_connection->hf_activate_voice_recognition_notification){ 661 hfp_connection->hf_activate_voice_recognition_notification = 0; 662 hfp_connection->ok_pending = 1; 663 hfp_hf_set_voice_recognition_notification_cmd(hfp_connection->rfcomm_cid, 1); 664 return; 665 } 666 667 668 if (hfp_connection->hf_deactivate_call_waiting_notification){ 669 hfp_connection->hf_deactivate_call_waiting_notification = 0; 670 hfp_connection->ok_pending = 1; 671 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 0); 672 return; 673 } 674 675 if (hfp_connection->hf_activate_call_waiting_notification){ 676 hfp_connection->hf_activate_call_waiting_notification = 0; 677 hfp_connection->ok_pending = 1; 678 hfp_hf_set_call_waiting_notification_cmd(hfp_connection->rfcomm_cid, 1); 679 return; 680 } 681 682 if (hfp_connection->hf_initiate_outgoing_call){ 683 hfp_connection->hf_initiate_outgoing_call = 0; 684 hfp_connection->ok_pending = 1; 685 hfp_hf_initiate_outgoing_call_cmd(hfp_connection->rfcomm_cid); 686 return; 687 } 688 689 if (hfp_connection->hf_initiate_memory_dialing){ 690 hfp_connection->hf_initiate_memory_dialing = 0; 691 hfp_connection->ok_pending = 1; 692 hfp_hf_send_memory_dial_cmd(hfp_connection->rfcomm_cid, hfp_connection->memory_id); 693 return; 694 } 695 696 if (hfp_connection->hf_initiate_redial_last_number){ 697 hfp_connection->hf_initiate_redial_last_number = 0; 698 hfp_connection->ok_pending = 1; 699 hfp_hf_send_redial_last_number_cmd(hfp_connection->rfcomm_cid); 700 return; 701 } 702 703 if (hfp_connection->hf_send_chup){ 704 hfp_connection->hf_send_chup = 0; 705 hfp_connection->ok_pending = 1; 706 hfp_hf_send_chup(hfp_connection->rfcomm_cid); 707 return; 708 } 709 710 if (hfp_connection->hf_send_chld_0){ 711 hfp_connection->hf_send_chld_0 = 0; 712 hfp_connection->ok_pending = 1; 713 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 0); 714 return; 715 } 716 717 if (hfp_connection->hf_send_chld_1){ 718 hfp_connection->hf_send_chld_1 = 0; 719 hfp_connection->ok_pending = 1; 720 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 1); 721 return; 722 } 723 724 if (hfp_connection->hf_send_chld_2){ 725 hfp_connection->hf_send_chld_2 = 0; 726 hfp_connection->ok_pending = 1; 727 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 2); 728 return; 729 } 730 731 if (hfp_connection->hf_send_chld_3){ 732 hfp_connection->hf_send_chld_3 = 0; 733 hfp_connection->ok_pending = 1; 734 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 3); 735 return; 736 } 737 738 if (hfp_connection->hf_send_chld_4){ 739 hfp_connection->hf_send_chld_4 = 0; 740 hfp_connection->ok_pending = 1; 741 hfp_hf_send_chld(hfp_connection->rfcomm_cid, 4); 742 return; 743 } 744 745 if (hfp_connection->hf_send_chld_x){ 746 hfp_connection->hf_send_chld_x = 0; 747 hfp_connection->ok_pending = 1; 748 hfp_hf_send_chld(hfp_connection->rfcomm_cid, hfp_connection->hf_send_chld_x_index); 749 return; 750 } 751 752 if (hfp_connection->hf_send_dtmf_code){ 753 char code = hfp_connection->hf_send_dtmf_code; 754 hfp_connection->hf_send_dtmf_code = 0; 755 hfp_connection->ok_pending = 1; 756 hfp_hf_send_dtmf(hfp_connection->rfcomm_cid, code); 757 return; 758 } 759 760 if (hfp_connection->hf_send_binp){ 761 hfp_connection->hf_send_binp = 0; 762 hfp_connection->ok_pending = 1; 763 hfp_hf_send_binp(hfp_connection->rfcomm_cid); 764 return; 765 } 766 767 if (hfp_connection->hf_send_clcc){ 768 hfp_connection->hf_send_clcc = 0; 769 hfp_connection->ok_pending = 1; 770 hfp_hf_send_clcc(hfp_connection->rfcomm_cid); 771 return; 772 } 773 774 if (hfp_connection->hf_send_rrh){ 775 hfp_connection->hf_send_rrh = 0; 776 char buffer[20]; 777 switch (hfp_connection->hf_send_rrh_command){ 778 case '?': 779 sprintf(buffer, "AT%s?\r\n", HFP_RESPONSE_AND_HOLD); 780 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 781 return; 782 case '0': 783 case '1': 784 case '2': 785 sprintf(buffer, "AT%s=%c\r\n", HFP_RESPONSE_AND_HOLD, hfp_connection->hf_send_rrh_command); 786 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 787 return; 788 default: 789 break; 790 } 791 return; 792 } 793 794 if (hfp_connection->hf_send_cnum){ 795 hfp_connection->hf_send_cnum = 0; 796 char buffer[20]; 797 sprintf(buffer, "AT%s\r\n", HFP_SUBSCRIBER_NUMBER_INFORMATION); 798 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 799 return; 800 } 801 802 // update HF indicators 803 if (hfp_connection->generic_status_update_bitmap){ 804 int i; 805 for (i=0;i<hfp_indicators_nr;i++){ 806 if (get_bit(hfp_connection->generic_status_update_bitmap, i)){ 807 if (hfp_connection->generic_status_indicators[i].state){ 808 hfp_connection->ok_pending = 1; 809 hfp_connection->generic_status_update_bitmap = store_bit(hfp_connection->generic_status_update_bitmap, i, 0); 810 char buffer[30]; 811 sprintf(buffer, "AT%s=%u,%u\r\n", HFP_TRANSFER_HF_INDICATOR_STATUS, hfp_indicators[i], (unsigned int) hfp_indicators_value[i]); 812 send_str_over_rfcomm(hfp_connection->rfcomm_cid, buffer); 813 } else { 814 log_info("Not sending HF indicator %u as it is disabled", hfp_indicators[i]); 815 } 816 return; 817 } 818 } 819 } 820 821 if (done) return; 822 // deal with disconnect 823 switch (hfp_connection->state){ 824 case HFP_W2_DISCONNECT_RFCOMM: 825 hfp_connection->state = HFP_W4_RFCOMM_DISCONNECTED; 826 rfcomm_disconnect(hfp_connection->rfcomm_cid); 827 break; 828 829 default: 830 break; 831 } 832 } 833 834 static void hfp_ag_slc_established(hfp_connection_t * hfp_connection){ 835 hfp_connection->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED; 836 837 hfp_emit_slc_connection_event(hfp_callback, 0, hfp_connection->acl_handle, hfp_connection->remote_addr); 838 839 // restore volume settings 840 hfp_connection->speaker_gain = hfp_hf_speaker_gain; 841 hfp_connection->send_speaker_gain = 1; 842 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, hfp_hf_speaker_gain); 843 hfp_connection->microphone_gain = hfp_hf_microphone_gain; 844 hfp_connection->send_microphone_gain = 1; 845 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, hfp_hf_microphone_gain); 846 // enable all indicators 847 int i; 848 for (i=0;i<hfp_indicators_nr;i++){ 849 hfp_connection->generic_status_indicators[i].uuid = hfp_indicators[i]; 850 hfp_connection->generic_status_indicators[i].state = 1; 851 } 852 } 853 854 static void hfp_hf_switch_on_ok(hfp_connection_t *hfp_connection){ 855 hfp_connection->ok_pending = 0; 856 switch (hfp_connection->state){ 857 case HFP_W4_EXCHANGE_SUPPORTED_FEATURES: 858 if (has_codec_negotiation_feature(hfp_connection)){ 859 hfp_connection->state = HFP_NOTIFY_ON_CODECS; 860 break; 861 } 862 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 863 break; 864 865 case HFP_W4_NOTIFY_ON_CODECS: 866 hfp_connection->state = HFP_RETRIEVE_INDICATORS; 867 break; 868 869 case HFP_W4_RETRIEVE_INDICATORS: 870 hfp_connection->state = HFP_RETRIEVE_INDICATORS_STATUS; 871 break; 872 873 case HFP_W4_RETRIEVE_INDICATORS_STATUS: 874 hfp_connection->state = HFP_ENABLE_INDICATORS_STATUS_UPDATE; 875 break; 876 877 case HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE: 878 if (has_call_waiting_and_3way_calling_feature(hfp_connection)){ 879 hfp_connection->state = HFP_RETRIEVE_CAN_HOLD_CALL; 880 break; 881 } 882 if (has_hf_indicators_feature(hfp_connection)){ 883 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 884 break; 885 } 886 hfp_ag_slc_established(hfp_connection); 887 break; 888 889 case HFP_W4_RETRIEVE_CAN_HOLD_CALL: 890 if (has_hf_indicators_feature(hfp_connection)){ 891 hfp_connection->state = HFP_LIST_GENERIC_STATUS_INDICATORS; 892 break; 893 } 894 hfp_ag_slc_established(hfp_connection); 895 break; 896 897 case HFP_W4_LIST_GENERIC_STATUS_INDICATORS: 898 hfp_connection->state = HFP_RETRIEVE_GENERIC_STATUS_INDICATORS; 899 break; 900 901 case HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS: 902 hfp_connection->state = HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS; 903 break; 904 905 case HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS: 906 hfp_ag_slc_established(hfp_connection); 907 break; 908 case HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED: 909 if (hfp_connection->enable_status_update_for_ag_indicators != 0xFF){ 910 hfp_connection->enable_status_update_for_ag_indicators = 0xFF; 911 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 912 break; 913 } 914 915 if (hfp_connection->change_status_update_for_individual_ag_indicators == 1){ 916 hfp_connection->change_status_update_for_individual_ag_indicators = 0; 917 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0); 918 break; 919 } 920 921 switch (hfp_connection->hf_query_operator_state){ 922 case HFP_HF_QUERY_OPERATOR_W4_SET_FORMAT_OK: 923 // printf("Format set, querying name\n"); 924 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 925 break; 926 case HPF_HF_QUERY_OPERATOR_W4_RESULT: 927 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_FORMAT_SET; 928 hfp_emit_network_operator_event(hfp_callback, hfp_connection->network_operator); 929 break; 930 default: 931 break; 932 } 933 934 if (hfp_connection->enable_extended_audio_gateway_error_report){ 935 hfp_connection->enable_extended_audio_gateway_error_report = 0; 936 break; 937 } 938 939 switch (hfp_connection->codecs_state){ 940 case HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE: 941 hfp_connection->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC; 942 break; 943 case HFP_CODECS_HF_CONFIRMED_CODEC: 944 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 945 break; 946 default: 947 break; 948 } 949 break; 950 default: 951 break; 952 } 953 954 // done 955 hfp_connection->command = HFP_CMD_NONE; 956 } 957 958 959 static void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 960 UNUSED(packet_type); // ok: only called with RFCOMM_DATA_PACKET 961 962 // assertion: size >= 1 as rfcomm.c does not deliver empty packets 963 if (size < 1) return; 964 965 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_rfcomm_cid(channel); 966 if (!hfp_connection) return; 967 968 // temp overwrite last byte (most likely \n for log_info) 969 char last_char = packet[size-1]; 970 packet[size-1] = 0; 971 log_info("HFP_RX %s", packet); 972 packet[size-1] = last_char; 973 974 // process messages byte-wise 975 int pos, i, value; 976 for (pos = 0; pos < size ; pos++){ 977 hfp_parse(hfp_connection, packet[pos], 1); 978 } 979 980 switch (hfp_connection->command){ 981 case HFP_CMD_GET_SUBSCRIBER_NUMBER_INFORMATION: 982 hfp_connection->command = HFP_CMD_NONE; 983 // printf("Subscriber Number: number %s, type %u\n", hfp_connection->bnip_number, hfp_connection->bnip_type); 984 hfp_hf_emit_subscriber_information(hfp_callback, HFP_SUBEVENT_SUBSCRIBER_NUMBER_INFORMATION, 0, hfp_connection->bnip_type, hfp_connection->bnip_number); 985 break; 986 case HFP_CMD_RESPONSE_AND_HOLD_STATUS: 987 hfp_connection->command = HFP_CMD_NONE; 988 // printf("Response and Hold status: %s\n", hfp_connection->line_buffer); 989 hfp_emit_event(hfp_callback, HFP_SUBEVENT_RESPONSE_AND_HOLD_STATUS, btstack_atoi((char *)&hfp_connection->line_buffer[0])); 990 break; 991 case HFP_CMD_LIST_CURRENT_CALLS: 992 hfp_connection->command = HFP_CMD_NONE; 993 // printf("Enhanced Call Status: idx %u, dir %u, status %u, mpty %u, number %s, type %u\n", 994 // hfp_connection->clcc_idx, hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 995 // hfp_connection->bnip_number, hfp_connection->bnip_type); 996 hfp_hf_emit_enhanced_call_status(hfp_callback, hfp_connection->clcc_idx, 997 hfp_connection->clcc_dir, hfp_connection->clcc_status, hfp_connection->clcc_mpty, 998 hfp_connection->bnip_type, hfp_connection->bnip_number); 999 break; 1000 case HFP_CMD_SET_SPEAKER_GAIN: 1001 hfp_connection->command = HFP_CMD_NONE; 1002 value = btstack_atoi((char*)hfp_connection->line_buffer); 1003 hfp_hf_speaker_gain = value; 1004 hfp_emit_event(hfp_callback, HFP_SUBEVENT_SPEAKER_VOLUME, value); 1005 break; 1006 case HFP_CMD_SET_MICROPHONE_GAIN: 1007 hfp_connection->command = HFP_CMD_NONE; 1008 value = btstack_atoi((char*)hfp_connection->line_buffer); 1009 hfp_hf_microphone_gain = value; 1010 hfp_emit_event(hfp_callback, HFP_SUBEVENT_MICROPHONE_VOLUME, value); 1011 break; 1012 case HFP_CMD_AG_SENT_PHONE_NUMBER: 1013 hfp_connection->command = HFP_CMD_NONE; 1014 hfp_emit_string_event(hfp_callback, HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG, hfp_connection->bnip_number); 1015 break; 1016 case HFP_CMD_AG_SENT_CALL_WAITING_NOTIFICATION_UPDATE: 1017 hfp_connection->command = HFP_CMD_NONE; 1018 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALL_WAITING_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1019 break; 1020 case HFP_CMD_AG_SENT_CLIP_INFORMATION: 1021 hfp_connection->command = HFP_CMD_NONE; 1022 hfp_hf_emit_type_and_number(hfp_callback, HFP_SUBEVENT_CALLING_LINE_IDENTIFICATION_NOTIFICATION, hfp_connection->bnip_type, hfp_connection->bnip_number); 1023 break; 1024 case HFP_CMD_EXTENDED_AUDIO_GATEWAY_ERROR: 1025 hfp_connection->ok_pending = 0; 1026 hfp_connection->command = HFP_CMD_NONE; 1027 hfp_connection->extended_audio_gateway_error = 0; 1028 hfp_emit_event(hfp_callback, HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR, hfp_connection->extended_audio_gateway_error_value); 1029 break; 1030 case HFP_CMD_ERROR: 1031 hfp_connection->ok_pending = 0; 1032 hfp_reset_context_flags(hfp_connection); 1033 hfp_connection->command = HFP_CMD_NONE; 1034 hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 1); 1035 break; 1036 case HFP_CMD_OK: 1037 hfp_hf_switch_on_ok(hfp_connection); 1038 break; 1039 case HFP_CMD_RING: 1040 hfp_emit_simple_event(hfp_callback, HFP_SUBEVENT_RING); 1041 break; 1042 case HFP_CMD_TRANSFER_AG_INDICATOR_STATUS: 1043 for (i = 0; i < hfp_connection->ag_indicators_nr; i++){ 1044 if (hfp_connection->ag_indicators[i].status_changed) { 1045 if (strcmp(hfp_connection->ag_indicators[i].name, "callsetup") == 0){ 1046 hfp_callsetup_status = (hfp_callsetup_status_t) hfp_connection->ag_indicators[i].status; 1047 } else if (strcmp(hfp_connection->ag_indicators[i].name, "callheld") == 0){ 1048 hfp_callheld_status = (hfp_callheld_status_t) hfp_connection->ag_indicators[i].status; 1049 // avoid set but not used warning 1050 (void) hfp_callheld_status; 1051 } else if (strcmp(hfp_connection->ag_indicators[i].name, "call") == 0){ 1052 hfp_call_status = (hfp_call_status_t) hfp_connection->ag_indicators[i].status; 1053 } 1054 hfp_connection->ag_indicators[i].status_changed = 0; 1055 hfp_emit_ag_indicator_event(hfp_callback, hfp_connection->ag_indicators[i]); 1056 break; 1057 } 1058 } 1059 break; 1060 default: 1061 break; 1062 } 1063 hfp_run_for_context(hfp_connection); 1064 } 1065 1066 static void hfp_run(void){ 1067 btstack_linked_list_iterator_t it; 1068 btstack_linked_list_iterator_init(&it, hfp_get_connections()); 1069 while (btstack_linked_list_iterator_has_next(&it)){ 1070 hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it); 1071 hfp_run_for_context(hfp_connection); 1072 } 1073 } 1074 1075 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1076 switch (packet_type){ 1077 case RFCOMM_DATA_PACKET: 1078 hfp_handle_rfcomm_event(packet_type, channel, packet, size); 1079 break; 1080 case HCI_EVENT_PACKET: 1081 hfp_handle_hci_event(packet_type, channel, packet, size); 1082 break; 1083 default: 1084 break; 1085 } 1086 hfp_run(); 1087 } 1088 1089 void hfp_hf_init(uint16_t rfcomm_channel_nr){ 1090 // register for HCI events 1091 hci_event_callback_registration.callback = &packet_handler; 1092 hci_add_event_handler(&hci_event_callback_registration); 1093 1094 rfcomm_register_service(packet_handler, rfcomm_channel_nr, 0xffff); 1095 1096 hfp_set_packet_handler_for_rfcomm_connections(&packet_handler); 1097 1098 hfp_supported_features = HFP_DEFAULT_HF_SUPPORTED_FEATURES; 1099 hfp_codecs_nr = 0; 1100 hfp_indicators_nr = 0; 1101 hfp_hf_speaker_gain = 9; 1102 hfp_hf_microphone_gain = 9; 1103 } 1104 1105 void hfp_hf_init_codecs(int codecs_nr, uint8_t * codecs){ 1106 if (codecs_nr > HFP_MAX_NUM_CODECS){ 1107 log_error("hfp_hf_init_codecs: codecs_nr (%d) > HFP_MAX_NUM_CODECS (%d)", codecs_nr, HFP_MAX_NUM_CODECS); 1108 return; 1109 } 1110 1111 hfp_codecs_nr = codecs_nr; 1112 int i; 1113 for (i=0; i<codecs_nr; i++){ 1114 hfp_codecs[i] = codecs[i]; 1115 } 1116 } 1117 1118 void hfp_hf_init_supported_features(uint32_t supported_features){ 1119 hfp_supported_features = supported_features; 1120 } 1121 1122 void hfp_hf_init_hf_indicators(int indicators_nr, uint16_t * indicators){ 1123 hfp_indicators_nr = indicators_nr; 1124 int i; 1125 for (i = 0; i < hfp_indicators_nr ; i++){ 1126 hfp_indicators[i] = indicators[i]; 1127 } 1128 } 1129 1130 void hfp_hf_establish_service_level_connection(bd_addr_t bd_addr){ 1131 hfp_establish_service_level_connection(bd_addr, BLUETOOTH_SERVICE_CLASS_HANDSFREE_AUDIO_GATEWAY); 1132 } 1133 1134 void hfp_hf_release_service_level_connection(hci_con_handle_t acl_handle){ 1135 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1136 if (!hfp_connection) { 1137 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1138 return; 1139 } 1140 hfp_release_service_level_connection(hfp_connection); 1141 hfp_run_for_context(hfp_connection); 1142 } 1143 1144 static void hfp_hf_set_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle, uint8_t enable){ 1145 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1146 if (!hfp_connection) { 1147 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1148 return; 1149 } 1150 hfp_connection->enable_status_update_for_ag_indicators = enable; 1151 hfp_run_for_context(hfp_connection); 1152 } 1153 1154 void hfp_hf_enable_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle){ 1155 hfp_hf_set_status_update_for_all_ag_indicators(acl_handle, 1); 1156 } 1157 1158 void hfp_hf_disable_status_update_for_all_ag_indicators(hci_con_handle_t acl_handle){ 1159 hfp_hf_set_status_update_for_all_ag_indicators(acl_handle, 0); 1160 } 1161 1162 // TODO: returned ERROR - wrong format 1163 void hfp_hf_set_status_update_for_individual_ag_indicators(hci_con_handle_t acl_handle, uint32_t indicators_status_bitmap){ 1164 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1165 if (!hfp_connection) { 1166 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1167 return; 1168 } 1169 hfp_connection->change_status_update_for_individual_ag_indicators = 1; 1170 hfp_connection->ag_indicators_status_update_bitmap = indicators_status_bitmap; 1171 hfp_run_for_context(hfp_connection); 1172 } 1173 1174 void hfp_hf_query_operator_selection(hci_con_handle_t acl_handle){ 1175 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1176 if (!hfp_connection) { 1177 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1178 return; 1179 } 1180 switch (hfp_connection->hf_query_operator_state){ 1181 case HFP_HF_QUERY_OPERATOR_FORMAT_NOT_SET: 1182 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SET_FORMAT; 1183 break; 1184 case HFP_HF_QUERY_OPERATOR_FORMAT_SET: 1185 hfp_connection->hf_query_operator_state = HFP_HF_QUERY_OPERATOR_SEND_QUERY; 1186 break; 1187 default: 1188 break; 1189 } 1190 hfp_run_for_context(hfp_connection); 1191 } 1192 1193 static void hfp_hf_set_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle, uint8_t enable){ 1194 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1195 if (!hfp_connection) { 1196 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1197 return; 1198 } 1199 hfp_connection->enable_extended_audio_gateway_error_report = enable; 1200 hfp_run_for_context(hfp_connection); 1201 } 1202 1203 1204 void hfp_hf_enable_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle){ 1205 hfp_hf_set_report_extended_audio_gateway_error_result_code(acl_handle, 1); 1206 } 1207 1208 void hfp_hf_disable_report_extended_audio_gateway_error_result_code(hci_con_handle_t acl_handle){ 1209 hfp_hf_set_report_extended_audio_gateway_error_result_code(acl_handle, 0); 1210 } 1211 1212 1213 void hfp_hf_establish_audio_connection(hci_con_handle_t acl_handle){ 1214 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1215 if (!hfp_connection) { 1216 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1217 return; 1218 } 1219 hfp_connection->establish_audio_connection = 0; 1220 1221 if (hfp_connection->state == HFP_AUDIO_CONNECTION_ESTABLISHED) return; 1222 if (hfp_connection->state >= HFP_W2_DISCONNECT_SCO) return; 1223 1224 if (!has_codec_negotiation_feature(hfp_connection)){ 1225 log_info("hfp_ag_establish_audio_connection - no codec negotiation feature, using defaults"); 1226 hfp_connection->codecs_state = HFP_CODECS_EXCHANGED; 1227 hfp_connection->establish_audio_connection = 1; 1228 } else { 1229 switch (hfp_connection->codecs_state){ 1230 case HFP_CODECS_W4_AG_COMMON_CODEC: 1231 break; 1232 default: 1233 hfp_connection->command = HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP; 1234 break; 1235 } 1236 } 1237 1238 hfp_run_for_context(hfp_connection); 1239 } 1240 1241 void hfp_hf_release_audio_connection(hci_con_handle_t acl_handle){ 1242 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1243 if (!hfp_connection) { 1244 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1245 return; 1246 } 1247 hfp_release_audio_connection(hfp_connection); 1248 hfp_run_for_context(hfp_connection); 1249 } 1250 1251 void hfp_hf_answer_incoming_call(hci_con_handle_t acl_handle){ 1252 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1253 if (!hfp_connection) { 1254 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1255 return; 1256 } 1257 1258 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1259 hfp_connection->hf_answer_incoming_call = 1; 1260 hfp_run_for_context(hfp_connection); 1261 } else { 1262 log_error("HFP HF: answering incoming call with wrong callsetup status %u", hfp_callsetup_status); 1263 } 1264 } 1265 1266 void hfp_hf_terminate_call(hci_con_handle_t acl_handle){ 1267 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1268 if (!hfp_connection) { 1269 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1270 return; 1271 } 1272 hfp_connection->hf_send_chup = 1; 1273 hfp_run_for_context(hfp_connection); 1274 } 1275 1276 void hfp_hf_reject_incoming_call(hci_con_handle_t acl_handle){ 1277 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1278 if (!hfp_connection) { 1279 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1280 return; 1281 } 1282 1283 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1284 hfp_connection->hf_send_chup = 1; 1285 hfp_run_for_context(hfp_connection); 1286 } 1287 } 1288 1289 void hfp_hf_user_busy(hci_con_handle_t acl_handle){ 1290 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1291 if (!hfp_connection) { 1292 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1293 return; 1294 } 1295 1296 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 1297 hfp_connection->hf_send_chld_0 = 1; 1298 hfp_run_for_context(hfp_connection); 1299 } 1300 } 1301 1302 void hfp_hf_end_active_and_accept_other(hci_con_handle_t acl_handle){ 1303 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1304 if (!hfp_connection) { 1305 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1306 return; 1307 } 1308 1309 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1310 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1311 hfp_connection->hf_send_chld_1 = 1; 1312 hfp_run_for_context(hfp_connection); 1313 } 1314 } 1315 1316 void hfp_hf_swap_calls(hci_con_handle_t acl_handle){ 1317 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1318 if (!hfp_connection) { 1319 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1320 return; 1321 } 1322 1323 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1324 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1325 hfp_connection->hf_send_chld_2 = 1; 1326 hfp_run_for_context(hfp_connection); 1327 } 1328 } 1329 1330 void hfp_hf_join_held_call(hci_con_handle_t acl_handle){ 1331 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1332 if (!hfp_connection) { 1333 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1334 return; 1335 } 1336 1337 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1338 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1339 hfp_connection->hf_send_chld_3 = 1; 1340 hfp_run_for_context(hfp_connection); 1341 } 1342 } 1343 1344 void hfp_hf_connect_calls(hci_con_handle_t acl_handle){ 1345 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1346 if (!hfp_connection) { 1347 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1348 return; 1349 } 1350 1351 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1352 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1353 hfp_connection->hf_send_chld_4 = 1; 1354 hfp_run_for_context(hfp_connection); 1355 } 1356 } 1357 1358 void hfp_hf_release_call_with_index(hci_con_handle_t acl_handle, int index){ 1359 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1360 if (!hfp_connection) { 1361 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1362 return; 1363 } 1364 1365 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1366 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1367 hfp_connection->hf_send_chld_x = 1; 1368 hfp_connection->hf_send_chld_x_index = 10 + index; 1369 hfp_run_for_context(hfp_connection); 1370 } 1371 } 1372 1373 void hfp_hf_private_consultation_with_call(hci_con_handle_t acl_handle, int index){ 1374 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1375 if (!hfp_connection) { 1376 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1377 return; 1378 } 1379 1380 if (hfp_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS || 1381 hfp_call_status == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 1382 hfp_connection->hf_send_chld_x = 1; 1383 hfp_connection->hf_send_chld_x_index = 20 + index; 1384 hfp_run_for_context(hfp_connection); 1385 } 1386 } 1387 1388 void hfp_hf_dial_number(hci_con_handle_t acl_handle, char * number){ 1389 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1390 if (!hfp_connection) { 1391 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1392 return; 1393 } 1394 1395 hfp_connection->hf_initiate_outgoing_call = 1; 1396 snprintf(phone_number, sizeof(phone_number), "%s", number); 1397 hfp_run_for_context(hfp_connection); 1398 } 1399 1400 void hfp_hf_dial_memory(hci_con_handle_t acl_handle, int memory_id){ 1401 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1402 if (!hfp_connection) { 1403 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1404 return; 1405 } 1406 1407 hfp_connection->hf_initiate_memory_dialing = 1; 1408 hfp_connection->memory_id = memory_id; 1409 1410 hfp_run_for_context(hfp_connection); 1411 } 1412 1413 void hfp_hf_redial_last_number(hci_con_handle_t acl_handle){ 1414 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1415 if (!hfp_connection) { 1416 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1417 return; 1418 } 1419 1420 hfp_connection->hf_initiate_redial_last_number = 1; 1421 hfp_run_for_context(hfp_connection); 1422 } 1423 1424 void hfp_hf_activate_call_waiting_notification(hci_con_handle_t acl_handle){ 1425 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1426 if (!hfp_connection) { 1427 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1428 return; 1429 } 1430 1431 hfp_connection->hf_activate_call_waiting_notification = 1; 1432 hfp_run_for_context(hfp_connection); 1433 } 1434 1435 1436 void hfp_hf_deactivate_call_waiting_notification(hci_con_handle_t acl_handle){ 1437 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1438 if (!hfp_connection) { 1439 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1440 return; 1441 } 1442 1443 hfp_connection->hf_deactivate_call_waiting_notification = 1; 1444 hfp_run_for_context(hfp_connection); 1445 } 1446 1447 1448 void hfp_hf_activate_calling_line_notification(hci_con_handle_t acl_handle){ 1449 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1450 if (!hfp_connection) { 1451 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1452 return; 1453 } 1454 1455 hfp_connection->hf_activate_calling_line_notification = 1; 1456 hfp_run_for_context(hfp_connection); 1457 } 1458 1459 void hfp_hf_deactivate_calling_line_notification(hci_con_handle_t acl_handle){ 1460 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1461 if (!hfp_connection) { 1462 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1463 return; 1464 } 1465 1466 hfp_connection->hf_deactivate_calling_line_notification = 1; 1467 hfp_run_for_context(hfp_connection); 1468 } 1469 1470 1471 void hfp_hf_activate_echo_canceling_and_noise_reduction(hci_con_handle_t acl_handle){ 1472 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1473 if (!hfp_connection) { 1474 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1475 return; 1476 } 1477 1478 hfp_connection->hf_activate_echo_canceling_and_noise_reduction = 1; 1479 hfp_run_for_context(hfp_connection); 1480 } 1481 1482 void hfp_hf_deactivate_echo_canceling_and_noise_reduction(hci_con_handle_t acl_handle){ 1483 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1484 if (!hfp_connection) { 1485 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1486 return; 1487 } 1488 1489 hfp_connection->hf_deactivate_echo_canceling_and_noise_reduction = 1; 1490 hfp_run_for_context(hfp_connection); 1491 } 1492 1493 void hfp_hf_activate_voice_recognition_notification(hci_con_handle_t acl_handle){ 1494 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1495 if (!hfp_connection) { 1496 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1497 return; 1498 } 1499 1500 hfp_connection->hf_activate_voice_recognition_notification = 1; 1501 hfp_run_for_context(hfp_connection); 1502 } 1503 1504 void hfp_hf_deactivate_voice_recognition_notification(hci_con_handle_t acl_handle){ 1505 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1506 if (!hfp_connection) { 1507 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1508 return; 1509 } 1510 1511 hfp_connection->hf_deactivate_voice_recognition_notification = 1; 1512 hfp_run_for_context(hfp_connection); 1513 } 1514 1515 void hfp_hf_set_microphone_gain(hci_con_handle_t acl_handle, int gain){ 1516 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1517 if (!hfp_connection) { 1518 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1519 return; 1520 } 1521 1522 if (hfp_connection->microphone_gain == gain) return; 1523 if (gain < 0 || gain > 15){ 1524 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1525 return; 1526 } 1527 hfp_connection->microphone_gain = gain; 1528 hfp_connection->send_microphone_gain = 1; 1529 hfp_run_for_context(hfp_connection); 1530 } 1531 1532 void hfp_hf_set_speaker_gain(hci_con_handle_t acl_handle, int gain){ 1533 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1534 if (!hfp_connection) { 1535 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1536 return; 1537 } 1538 1539 if (hfp_connection->speaker_gain == gain) return; 1540 if (gain < 0 || gain > 15){ 1541 log_info("Valid range for a gain is [0..15]. Currently sent: %d", gain); 1542 return; 1543 } 1544 hfp_connection->speaker_gain = gain; 1545 hfp_connection->send_speaker_gain = 1; 1546 hfp_run_for_context(hfp_connection); 1547 } 1548 1549 void hfp_hf_send_dtmf_code(hci_con_handle_t acl_handle, char code){ 1550 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1551 if (!hfp_connection) { 1552 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1553 return; 1554 } 1555 1556 hfp_connection->hf_send_dtmf_code = code; 1557 hfp_run_for_context(hfp_connection); 1558 } 1559 1560 void hfp_hf_request_phone_number_for_voice_tag(hci_con_handle_t acl_handle){ 1561 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1562 if (!hfp_connection) { 1563 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1564 return; 1565 } 1566 hfp_connection->hf_send_binp = 1; 1567 hfp_run_for_context(hfp_connection); 1568 } 1569 1570 void hfp_hf_query_current_call_status(hci_con_handle_t acl_handle){ 1571 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1572 if (!hfp_connection) { 1573 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1574 return; 1575 } 1576 hfp_connection->hf_send_clcc = 1; 1577 hfp_run_for_context(hfp_connection); 1578 } 1579 1580 1581 void hfp_hf_rrh_query_status(hci_con_handle_t acl_handle){ 1582 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1583 if (!hfp_connection) { 1584 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1585 return; 1586 } 1587 hfp_connection->hf_send_rrh = 1; 1588 hfp_connection->hf_send_rrh_command = '?'; 1589 hfp_run_for_context(hfp_connection); 1590 } 1591 1592 void hfp_hf_rrh_hold_call(hci_con_handle_t acl_handle){ 1593 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1594 if (!hfp_connection) { 1595 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1596 return; 1597 } 1598 hfp_connection->hf_send_rrh = 1; 1599 hfp_connection->hf_send_rrh_command = '0'; 1600 hfp_run_for_context(hfp_connection); 1601 } 1602 1603 void hfp_hf_rrh_accept_held_call(hci_con_handle_t acl_handle){ 1604 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1605 if (!hfp_connection) { 1606 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1607 return; 1608 } 1609 hfp_connection->hf_send_rrh = 1; 1610 hfp_connection->hf_send_rrh_command = '1'; 1611 hfp_run_for_context(hfp_connection); 1612 } 1613 1614 void hfp_hf_rrh_reject_held_call(hci_con_handle_t acl_handle){ 1615 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1616 if (!hfp_connection) { 1617 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1618 return; 1619 } 1620 hfp_connection->hf_send_rrh = 1; 1621 hfp_connection->hf_send_rrh_command = '2'; 1622 hfp_run_for_context(hfp_connection); 1623 } 1624 1625 void hfp_hf_query_subscriber_number(hci_con_handle_t acl_handle){ 1626 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1627 if (!hfp_connection) { 1628 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1629 return; 1630 } 1631 hfp_connection->hf_send_cnum = 1; 1632 hfp_run_for_context(hfp_connection); 1633 } 1634 1635 void hfp_hf_set_hf_indicator(hci_con_handle_t acl_handle, int assigned_number, int value){ 1636 hfp_connection_t * hfp_connection = get_hfp_connection_context_for_acl_handle(acl_handle); 1637 if (!hfp_connection) { 1638 log_error("HFP HF: ACL handle 0x%2x is not found.", acl_handle); 1639 return; 1640 } 1641 // find index for assigned number 1642 int i; 1643 for (i = 0; i < hfp_indicators_nr ; i++){ 1644 if (hfp_indicators[i] == assigned_number){ 1645 // set value 1646 hfp_indicators_value[i] = value; 1647 // mark for update 1648 if (hfp_connection->state > HFP_LIST_GENERIC_STATUS_INDICATORS){ 1649 hfp_connection->generic_status_update_bitmap |= (1<<i); 1650 // send update 1651 hfp_run_for_context(hfp_connection); 1652 } 1653 return; 1654 } 1655 } 1656 } 1657 1658