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 BLUEKITCHEN 24 * GMBH 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_gsm_model.c" 39 40 // ***************************************************************************** 41 // 42 // GSM Model 43 // 44 // ***************************************************************************** 45 46 #include "btstack_config.h" 47 48 #include <stdint.h> 49 #include <string.h> 50 51 #include "btstack_memory.h" 52 #include "classic/core.h" 53 #include "classic/hfp.h" 54 #include "classic/hfp_gsm_model.h" 55 #include "classic/sdp_server.h" 56 #include "classic/sdp_client_rfcomm.h" 57 #include "btstack_debug.h" 58 #include "hci.h" 59 #include "hci_cmd.h" 60 #include "hci_dump.h" 61 #include "l2cap.h" 62 #include "btstack_run_loop.h" 63 64 #define HFP_GSM_MAX_NR_CALLS 3 65 #define HFP_GSM_MAX_CALL_NUMBER_SIZE 25 66 67 static hfp_gsm_call_t hfp_gsm_model_calls[HFP_GSM_MAX_NR_CALLS]; 68 static hfp_callsetup_status_t hfp_gsm_model_callsetup_status; 69 70 static uint8_t hfp_gsm_model_clip_type; 71 static char hfp_gsm_model_clip_number[HFP_GSM_MAX_CALL_NUMBER_SIZE]; 72 static char hfp_gsm_model_last_dialed_number[HFP_GSM_MAX_CALL_NUMBER_SIZE]; 73 74 static inline int hfp_gsm_model_get_number_active_calls(void); 75 76 static void set_callsetup_status(hfp_callsetup_status_t status){ 77 hfp_gsm_model_callsetup_status = status; 78 if (hfp_gsm_model_callsetup_status != HFP_CALLSETUP_STATUS_OUTGOING_CALL_SETUP_IN_ALERTING_STATE) return; 79 80 int i ; 81 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 82 if (hfp_gsm_model_calls[i].direction == HFP_ENHANCED_CALL_DIR_OUTGOING){ 83 hfp_gsm_model_calls[i].enhanced_status = HFP_ENHANCED_CALL_STATUS_OUTGOING_ALERTING; 84 } 85 } 86 } 87 88 static inline void set_enhanced_call_status_active(int index_in_table){ 89 if ((index_in_table < 0) || (index_in_table > HFP_GSM_MAX_NR_CALLS)) return; 90 hfp_gsm_model_calls[index_in_table].enhanced_status = HFP_ENHANCED_CALL_STATUS_ACTIVE; 91 hfp_gsm_model_calls[index_in_table].used_slot = 1; 92 } 93 94 static inline void set_enhanced_call_status_held(int index_in_table){ 95 if ((index_in_table < 0) || (index_in_table > HFP_GSM_MAX_NR_CALLS)) return; 96 hfp_gsm_model_calls[index_in_table].enhanced_status = HFP_ENHANCED_CALL_STATUS_HELD; 97 hfp_gsm_model_calls[index_in_table].used_slot = 1; 98 } 99 100 static inline void set_enhanced_call_status_response_hold(int index_in_table){ 101 if ((index_in_table < 0) || (index_in_table > HFP_GSM_MAX_NR_CALLS)) return; 102 hfp_gsm_model_calls[index_in_table].enhanced_status = HFP_ENHANCED_CALL_STATUS_CALL_HELD_BY_RESPONSE_AND_HOLD; 103 hfp_gsm_model_calls[index_in_table].used_slot = 1; 104 } 105 106 static inline void set_enhanced_call_status_initiated(int index_in_table){ 107 if ((index_in_table < 0) || (index_in_table > HFP_GSM_MAX_NR_CALLS)) return; 108 if (hfp_gsm_model_calls[index_in_table].direction == HFP_ENHANCED_CALL_DIR_OUTGOING){ 109 hfp_gsm_model_calls[index_in_table].enhanced_status = HFP_ENHANCED_CALL_STATUS_OUTGOING_DIALING; 110 } else { 111 if (hfp_gsm_model_get_number_active_calls() > 0){ 112 hfp_gsm_model_calls[index_in_table].enhanced_status = HFP_ENHANCED_CALL_STATUS_INCOMING_WAITING; 113 } else { 114 hfp_gsm_model_calls[index_in_table].enhanced_status = HFP_ENHANCED_CALL_STATUS_INCOMING; 115 } 116 } 117 hfp_gsm_model_calls[index_in_table].used_slot = 1; 118 } 119 120 static int get_enhanced_call_status(int index_in_table){ 121 if ((index_in_table < 0) || (index_in_table > HFP_GSM_MAX_NR_CALLS)) return -1; 122 if (!hfp_gsm_model_calls[index_in_table].used_slot) return -1; 123 return hfp_gsm_model_calls[index_in_table].enhanced_status; 124 } 125 126 static inline int is_enhanced_call_status_active(int index_in_table){ 127 if ((index_in_table < 0) || (index_in_table > HFP_GSM_MAX_NR_CALLS)) return 0; 128 return get_enhanced_call_status(index_in_table) == HFP_ENHANCED_CALL_STATUS_ACTIVE; 129 } 130 131 static inline int is_enhanced_call_status_initiated(int index_in_table){ 132 if ((index_in_table < 0) || (index_in_table > HFP_GSM_MAX_NR_CALLS)) return 0; 133 switch (get_enhanced_call_status(index_in_table)){ 134 case HFP_ENHANCED_CALL_STATUS_OUTGOING_DIALING: 135 case HFP_ENHANCED_CALL_STATUS_OUTGOING_ALERTING: 136 case HFP_ENHANCED_CALL_STATUS_INCOMING: 137 case HFP_ENHANCED_CALL_STATUS_INCOMING_WAITING: 138 return 1; 139 default: 140 return 0; 141 } 142 } 143 144 static void free_call_slot(int index_in_table){ 145 if ((index_in_table < 0) || (index_in_table > HFP_GSM_MAX_NR_CALLS)) return; 146 hfp_gsm_model_calls[index_in_table].used_slot = 0; 147 } 148 149 void hfp_gsm_init(void){ 150 hfp_gsm_model_callsetup_status = HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS; 151 hfp_gsm_model_clip_type = 0; 152 memset(hfp_gsm_model_clip_number, 0, sizeof(hfp_gsm_model_clip_number)); 153 memset(hfp_gsm_model_last_dialed_number, 0, sizeof(hfp_gsm_model_last_dialed_number)); 154 memset(hfp_gsm_model_calls, 0, sizeof(hfp_gsm_model_calls)); 155 int i; 156 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 157 free_call_slot(i); 158 } 159 } 160 161 void hfp_gsm_deinit(void){ 162 (void) memset(hfp_gsm_model_calls, 0, sizeof(hfp_gsm_model_calls)); 163 hfp_gsm_model_callsetup_status = HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS; 164 hfp_gsm_model_clip_type = 0; 165 (void) memset(hfp_gsm_model_clip_number, 0, sizeof(hfp_gsm_model_clip_number)); 166 (void) memset(hfp_gsm_model_last_dialed_number, 0, sizeof(hfp_gsm_model_last_dialed_number)); 167 } 168 169 static int get_number_calls_with_enhanced_status(hfp_enhanced_call_status_t enhanced_status){ 170 int i, count = 0; 171 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 172 if (get_enhanced_call_status(i) == (int) enhanced_status) count++; 173 } 174 return count; 175 } 176 177 static int get_call_index_with_enhanced_status(hfp_enhanced_call_status_t enhanced_status){ 178 int i ; 179 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 180 if (get_enhanced_call_status(i) == (int) enhanced_status) return i; 181 } 182 return -1; 183 } 184 185 static inline int get_initiated_call_index(void){ 186 int i ; 187 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 188 if (is_enhanced_call_status_initiated(i)) return i; 189 } 190 return -1; 191 } 192 193 static inline int get_next_free_slot(void){ 194 int i ; 195 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 196 if (!hfp_gsm_model_calls[i].used_slot) return i; 197 } 198 return -1; 199 } 200 201 static inline int get_active_call_index(void){ 202 return get_call_index_with_enhanced_status(HFP_ENHANCED_CALL_STATUS_ACTIVE); 203 } 204 205 static inline int get_dialing_call_index(void){ 206 return get_call_index_with_enhanced_status(HFP_ENHANCED_CALL_STATUS_OUTGOING_DIALING); 207 } 208 209 static inline int get_held_call_index(void){ 210 return get_call_index_with_enhanced_status(HFP_ENHANCED_CALL_STATUS_HELD); 211 } 212 213 static inline int get_response_held_call_index(void){ 214 return get_call_index_with_enhanced_status(HFP_ENHANCED_CALL_STATUS_CALL_HELD_BY_RESPONSE_AND_HOLD); 215 } 216 217 static inline int get_number_none_calls(void){ 218 int i, count = 0; 219 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 220 if (!hfp_gsm_model_calls[i].used_slot) count++; 221 } 222 return count; 223 } 224 225 static inline int hfp_gsm_model_get_number_active_calls(void){ 226 return get_number_calls_with_enhanced_status(HFP_ENHANCED_CALL_STATUS_ACTIVE); 227 } 228 229 static inline int get_number_held_calls(void){ 230 return get_number_calls_with_enhanced_status(HFP_ENHANCED_CALL_STATUS_HELD); 231 } 232 233 static inline int get_number_response_held_calls(void){ 234 return get_number_calls_with_enhanced_status(HFP_ENHANCED_CALL_STATUS_CALL_HELD_BY_RESPONSE_AND_HOLD); 235 } 236 237 static int next_call_index(void){ 238 return HFP_GSM_MAX_NR_CALLS + 1 - get_number_none_calls(); 239 } 240 241 static void hfp_gsm_set_clip(int index_in_table, uint8_t type, const char * number){ 242 uint16_t number_str_len = (uint16_t) strlen(number); 243 if (number_str_len == 0) return; 244 245 hfp_gsm_model_calls[index_in_table].clip_type = type; 246 int clip_number_size = btstack_min(number_str_len, HFP_GSM_MAX_CALL_NUMBER_SIZE - 1); 247 strncpy(hfp_gsm_model_calls[index_in_table].clip_number, number, clip_number_size); 248 hfp_gsm_model_calls[index_in_table].clip_number[clip_number_size] = '\0'; 249 strncpy(hfp_gsm_model_last_dialed_number, number, clip_number_size); 250 hfp_gsm_model_last_dialed_number[clip_number_size] = '\0'; 251 252 hfp_gsm_model_clip_type = 0; 253 memset(hfp_gsm_model_clip_number, 0, sizeof(hfp_gsm_model_clip_number)); 254 } 255 256 static void delete_call(int delete_index_in_table){ 257 int i ; 258 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 259 if (hfp_gsm_model_calls[i].index > hfp_gsm_model_calls[delete_index_in_table].index){ 260 hfp_gsm_model_calls[i].index--; 261 } 262 } 263 free_call_slot(delete_index_in_table); 264 265 hfp_gsm_model_calls[delete_index_in_table].clip_type = 0; 266 hfp_gsm_model_calls[delete_index_in_table].index = 0; 267 hfp_gsm_model_calls[delete_index_in_table].clip_number[0] = '\0'; 268 hfp_gsm_model_calls[delete_index_in_table].mpty = HFP_ENHANCED_CALL_MPTY_NOT_A_CONFERENCE_CALL; 269 } 270 271 272 static void create_call(hfp_enhanced_call_dir_t direction){ 273 int next_free_slot = get_next_free_slot(); 274 hfp_gsm_model_calls[next_free_slot].direction = direction; 275 hfp_gsm_model_calls[next_free_slot].index = next_call_index(); 276 set_enhanced_call_status_initiated(next_free_slot); 277 hfp_gsm_model_calls[next_free_slot].clip_type = 0; 278 hfp_gsm_model_calls[next_free_slot].clip_number[0] = '\0'; 279 hfp_gsm_model_calls[next_free_slot].mpty = HFP_ENHANCED_CALL_MPTY_NOT_A_CONFERENCE_CALL; 280 281 hfp_gsm_set_clip(next_free_slot, hfp_gsm_model_clip_type, hfp_gsm_model_clip_number); 282 } 283 284 285 int hfp_gsm_get_number_of_calls(void){ 286 return HFP_GSM_MAX_NR_CALLS - get_number_none_calls(); 287 } 288 289 void hfp_gsm_clear_last_dialed_number(void){ 290 memset(hfp_gsm_model_last_dialed_number, 0, sizeof(hfp_gsm_model_last_dialed_number)); 291 } 292 293 char * hfp_gsm_last_dialed_number(void){ 294 return &hfp_gsm_model_last_dialed_number[0]; 295 } 296 297 void hfp_gsm_set_last_dialed_number(const char* number){ 298 strncpy(hfp_gsm_model_last_dialed_number, number, sizeof(hfp_gsm_model_last_dialed_number)); 299 hfp_gsm_model_last_dialed_number[sizeof(hfp_gsm_model_last_dialed_number) - 1] = 0; 300 } 301 302 hfp_gsm_call_t * hfp_gsm_call(int call_index){ 303 int i; 304 305 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 306 hfp_gsm_call_t * call = &hfp_gsm_model_calls[i]; 307 if (call->index != call_index) continue; 308 return call; 309 } 310 return NULL; 311 } 312 313 uint8_t hfp_gsm_clip_type(void){ 314 if (hfp_gsm_model_clip_type != 0) return hfp_gsm_model_clip_type; 315 316 int initiated_call_index = get_initiated_call_index(); 317 if (initiated_call_index != -1){ 318 if (hfp_gsm_model_calls[initiated_call_index].clip_type != 0) { 319 return hfp_gsm_model_calls[initiated_call_index].clip_type; 320 } 321 } 322 323 int active_call_index = get_active_call_index(); 324 if (active_call_index != -1){ 325 if (hfp_gsm_model_calls[active_call_index].clip_type != 0) { 326 return hfp_gsm_model_calls[active_call_index].clip_type; 327 } 328 } 329 return 0; 330 } 331 332 char * hfp_gsm_clip_number(void){ 333 if (strlen(hfp_gsm_model_clip_number) != 0) return hfp_gsm_model_clip_number; 334 335 int initiated_call_index = get_initiated_call_index(); 336 if (initiated_call_index != -1){ 337 if (hfp_gsm_model_calls[initiated_call_index].clip_type != 0) { 338 return hfp_gsm_model_calls[initiated_call_index].clip_number; 339 } 340 } 341 342 int active_call_index = get_active_call_index(); 343 if (active_call_index != -1){ 344 if (hfp_gsm_model_calls[active_call_index].clip_type != 0) { 345 return hfp_gsm_model_calls[active_call_index].clip_number; 346 } 347 } 348 hfp_gsm_model_clip_number[0] = 0; 349 return hfp_gsm_model_clip_number; 350 } 351 352 hfp_call_status_t hfp_gsm_call_status(void){ 353 if (hfp_gsm_model_get_number_active_calls() + get_number_held_calls() + get_number_response_held_calls()){ 354 return HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT; 355 } 356 return HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS; 357 } 358 359 hfp_callheld_status_t hfp_gsm_callheld_status(void){ 360 // @note: order is important 361 if (get_number_held_calls() == 0){ 362 return HFP_CALLHELD_STATUS_NO_CALLS_HELD; 363 } 364 if (hfp_gsm_model_get_number_active_calls() == 0) { 365 return HFP_CALLHELD_STATUS_CALL_ON_HOLD_AND_NO_ACTIVE_CALLS; 366 } 367 return HFP_CALLHELD_STATUS_CALL_ON_HOLD_OR_SWAPPED; 368 } 369 370 hfp_callsetup_status_t hfp_gsm_callsetup_status(void){ 371 return hfp_gsm_model_callsetup_status; 372 } 373 374 static int hfp_gsm_response_held_active(void){ 375 return get_response_held_call_index() != -1 ; 376 } 377 378 int hfp_gsm_call_possible(void){ 379 return get_number_none_calls() > 0; 380 } 381 382 void hfp_gsm_handler(hfp_ag_call_event_t event, uint8_t index, uint8_t type, const char * number){ 383 int next_free_slot = get_next_free_slot(); 384 int current_call_index = get_active_call_index(); 385 int initiated_call_index = get_initiated_call_index(); 386 int held_call_index = get_held_call_index(); 387 int i; 388 389 switch (event){ 390 case HFP_AG_OUTGOING_CALL_INITIATED_BY_HF: 391 case HFP_AG_OUTGOING_CALL_INITIATED_BY_AG: 392 case HFP_AG_OUTGOING_REDIAL_INITIATED: 393 if (next_free_slot == -1){ 394 log_error("gsm: max call nr exceeded"); 395 return; 396 } 397 create_call(HFP_ENHANCED_CALL_DIR_OUTGOING); 398 break; 399 400 case HFP_AG_OUTGOING_CALL_REJECTED: 401 if (current_call_index != -1){ 402 delete_call(current_call_index); 403 } 404 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 405 break; 406 407 case HFP_AG_OUTGOING_CALL_ACCEPTED: 408 if (current_call_index != -1){ 409 set_enhanced_call_status_held(current_call_index); 410 } 411 set_callsetup_status(HFP_CALLSETUP_STATUS_OUTGOING_CALL_SETUP_IN_DIALING_STATE); 412 break; 413 414 case HFP_AG_OUTGOING_CALL_RINGING: 415 current_call_index = get_dialing_call_index(); 416 if (current_call_index == -1){ 417 log_error("gsm: no active call"); 418 return; 419 } 420 set_callsetup_status(HFP_CALLSETUP_STATUS_OUTGOING_CALL_SETUP_IN_ALERTING_STATE); 421 break; 422 case HFP_AG_OUTGOING_CALL_ESTABLISHED: 423 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 424 set_enhanced_call_status_active(initiated_call_index); 425 break; 426 427 case HFP_AG_INCOMING_CALL: 428 if (hfp_gsm_callsetup_status() != HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS) break; 429 set_callsetup_status(HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS); 430 create_call(HFP_ENHANCED_CALL_DIR_INCOMING); 431 break; 432 433 case HFP_AG_INCOMING_CALL_ACCEPTED_BY_AG: 434 if (hfp_gsm_callsetup_status() != HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS) break; 435 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 436 437 if (hfp_gsm_call_status() == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){ 438 set_enhanced_call_status_held(current_call_index); 439 } 440 set_enhanced_call_status_active(initiated_call_index); 441 break; 442 443 case HFP_AG_HELD_CALL_JOINED_BY_AG: 444 if (hfp_gsm_call_status() != HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT) break; 445 446 // TODO: is following condition correct? Can we join incoming call before it is answered? 447 if (hfp_gsm_model_callsetup_status == HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS){ 448 set_enhanced_call_status_active(initiated_call_index); 449 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 450 } else if (hfp_gsm_callheld_status() == HFP_CALLHELD_STATUS_CALL_ON_HOLD_OR_SWAPPED) { 451 set_enhanced_call_status_active(held_call_index); 452 } 453 454 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 455 if (is_enhanced_call_status_active(i)){ 456 hfp_gsm_model_calls[i].mpty = HFP_ENHANCED_CALL_MPTY_CONFERENCE_CALL; 457 } 458 } 459 break; 460 461 case HFP_AG_INCOMING_CALL_ACCEPTED_BY_HF: 462 if (hfp_gsm_callsetup_status() != HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS) break; 463 if (hfp_gsm_call_status() != HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS) break; 464 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 465 set_enhanced_call_status_active(initiated_call_index); 466 break; 467 468 case HFP_AG_RESPONSE_AND_HOLD_ACCEPT_INCOMING_CALL_BY_AG: 469 case HFP_AG_RESPONSE_AND_HOLD_ACCEPT_INCOMING_CALL_BY_HF: 470 if (hfp_gsm_callsetup_status() != HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS) break; 471 if (hfp_gsm_call_status() != HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS) break; 472 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 473 set_enhanced_call_status_response_hold(initiated_call_index); 474 break; 475 476 case HFP_AG_RESPONSE_AND_HOLD_ACCEPT_HELD_CALL_BY_AG: 477 case HFP_AG_RESPONSE_AND_HOLD_ACCEPT_HELD_CALL_BY_HF: 478 if (!hfp_gsm_response_held_active()) break; 479 set_enhanced_call_status_active(get_response_held_call_index()); 480 break; 481 482 case HFP_AG_RESPONSE_AND_HOLD_REJECT_HELD_CALL_BY_AG: 483 case HFP_AG_RESPONSE_AND_HOLD_REJECT_HELD_CALL_BY_HF: 484 if (!hfp_gsm_response_held_active()) break; 485 delete_call(get_response_held_call_index()); 486 break; 487 488 489 case HFP_AG_TERMINATE_CALL_BY_HF: 490 switch (hfp_gsm_call_status()){ 491 case HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS: 492 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 493 break; 494 case HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT: 495 delete_call(current_call_index); 496 break; 497 default: 498 break; 499 } 500 break; 501 502 case HFP_AG_TERMINATE_CALL_BY_AG: 503 switch (hfp_gsm_call_status()){ 504 case HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS: 505 if (hfp_gsm_callsetup_status() != HFP_CALLSETUP_STATUS_INCOMING_CALL_SETUP_IN_PROGRESS) break; 506 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 507 break; 508 case HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT: 509 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 510 delete_call(current_call_index); 511 break; 512 default: 513 break; 514 } 515 break; 516 517 case HFP_AG_CALL_DROPPED: 518 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 519 if (hfp_gsm_call_status() != HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT) break; 520 521 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 522 delete_call(i); 523 } 524 break; 525 526 case HFP_AG_CALL_HOLD_USER_BUSY: 527 // Held or waiting call gets active, 528 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 529 free_call_slot(initiated_call_index); 530 set_enhanced_call_status_active(held_call_index); 531 break; 532 533 case HFP_AG_CALL_HOLD_RELEASE_ACTIVE_ACCEPT_HELD_OR_WAITING_CALL: 534 if ((index != 0) && (index <= HFP_GSM_MAX_NR_CALLS) ){ 535 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 536 if (hfp_gsm_model_calls[i].index == index){ 537 delete_call(i); 538 continue; 539 } 540 } 541 } else { 542 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 543 if (is_enhanced_call_status_active(i)){ 544 delete_call(i); 545 } 546 } 547 } 548 549 if (hfp_gsm_model_callsetup_status != HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS){ 550 set_enhanced_call_status_active(initiated_call_index); 551 } else { 552 set_enhanced_call_status_active(held_call_index); 553 } 554 555 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 556 break; 557 558 case HFP_AG_CALL_HOLD_PARK_ACTIVE_ACCEPT_HELD_OR_WAITING_CALL: 559 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 560 if (is_enhanced_call_status_active(i) && (hfp_gsm_model_calls[i].index != index)){ 561 set_enhanced_call_status_held(i); 562 } 563 } 564 565 if (hfp_gsm_model_callsetup_status != HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS){ 566 set_enhanced_call_status_active(initiated_call_index); 567 } else { 568 set_enhanced_call_status_active(held_call_index); 569 } 570 set_callsetup_status(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS); 571 break; 572 573 case HFP_AG_CALL_HOLD_ADD_HELD_CALL: 574 if (hfp_gsm_callheld_status() != HFP_CALLHELD_STATUS_NO_CALLS_HELD){ 575 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 576 if (hfp_gsm_model_calls[i].used_slot){ 577 set_enhanced_call_status_active(i); 578 hfp_gsm_model_calls[i].mpty = HFP_ENHANCED_CALL_MPTY_CONFERENCE_CALL; 579 } 580 } 581 } 582 break; 583 584 case HFP_AG_CALL_HOLD_EXIT_AND_JOIN_CALLS: 585 for (i = 0; i < HFP_GSM_MAX_NR_CALLS; i++){ 586 delete_call(i); 587 } 588 break; 589 590 case HFP_AG_SET_CLIP: 591 if (initiated_call_index != -1){ 592 hfp_gsm_set_clip(initiated_call_index, type, number); 593 break; 594 } 595 596 hfp_gsm_model_clip_type = type; 597 strncpy(hfp_gsm_model_clip_number, number, sizeof(hfp_gsm_model_clip_number)); 598 hfp_gsm_model_clip_number[sizeof(hfp_gsm_model_clip_number) - 1] = '\0'; 599 600 break; 601 default: 602 break; 603 } 604 } 605