1 /****************************************************************************** 2 * 3 * Copyright (c) 2014 The Android Open Source Project 4 * Copyright (C) 2009-2016 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 * Filename: btif_util.c 23 * 24 * Description: Miscellaneous helper functions 25 * 26 * 27 ******************************************************************************/ 28 29 #define LOG_TAG "bt_btif_util" 30 31 #include "btif_util.h" 32 33 #include <base/logging.h> 34 #include <ctype.h> 35 #include <netinet/in.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 40 #include <hardware/bt_av.h> 41 42 #include "avrc_defs.h" 43 #include "bt_common.h" 44 #include "bta_ag_api.h" 45 #include "bta_api.h" 46 #include "bta_av_api.h" 47 #include "bta_hd_api.h" 48 #include "bta_hf_client_api.h" 49 #include "bta_hh_api.h" 50 #include "bte.h" 51 #include "btif_common.h" 52 #include "btif_dm.h" 53 #include "btu.h" 54 55 /******************************************************************************* 56 * Constants & Macros 57 ******************************************************************************/ 58 #define ISDIGIT(a) (((a) >= '0') && ((a) <= '9')) 59 #define ISXDIGIT(a) \ 60 ((((a) >= '0') && ((a) <= '9')) || (((a) >= 'A') && ((a) <= 'F')) || \ 61 (((a) >= 'a') && ((a) <= 'f'))) 62 63 /******************************************************************************* 64 * Local type definitions 65 ******************************************************************************/ 66 67 /******************************************************************************* 68 * Static variables 69 ******************************************************************************/ 70 71 /******************************************************************************* 72 * Static functions 73 ******************************************************************************/ 74 75 /******************************************************************************* 76 * Externs 77 ******************************************************************************/ 78 79 /******************************************************************************* 80 * Functions 81 ******************************************************************************/ 82 83 /***************************************************************************** 84 * Logging helper functions 85 ****************************************************************************/ 86 87 uint32_t devclass2uint(DEV_CLASS dev_class) { 88 uint32_t cod = 0; 89 90 if (dev_class != NULL) { 91 /* if COD is 0, irrespective of the device type set it to Unclassified 92 * device */ 93 cod = (dev_class[2]) | (dev_class[1] << 8) | (dev_class[0] << 16); 94 } 95 return cod; 96 } 97 void uint2devclass(uint32_t cod, DEV_CLASS dev_class) { 98 dev_class[2] = (uint8_t)cod; 99 dev_class[1] = (uint8_t)(cod >> 8); 100 dev_class[0] = (uint8_t)(cod >> 16); 101 } 102 103 static const uint8_t sdp_base_uuid[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 104 0x10, 0x00, 0x80, 0x00, 0x00, 0x80, 105 0x5F, 0x9B, 0x34, 0xFB}; 106 107 void uuid16_to_uuid128(uint16_t uuid16, bt_uuid_t* uuid128) { 108 uint16_t uuid16_bo; 109 memset(uuid128, 0, sizeof(bt_uuid_t)); 110 111 memcpy(uuid128->uu, sdp_base_uuid, MAX_UUID_SIZE); 112 uuid16_bo = ntohs(uuid16); 113 memcpy(uuid128->uu + 2, &uuid16_bo, sizeof(uint16_t)); 114 } 115 116 bool string_to_uuid(const char* str, bt_uuid_t* p_uuid) { 117 CHECK(p_uuid); 118 if (str == NULL) return false; 119 120 uint32_t uuid0, uuid4; 121 uint16_t uuid1, uuid2, uuid3, uuid5; 122 123 int rc = sscanf(str, "%08x-%04hx-%04hx-%04hx-%08x%04hx", &uuid0, &uuid1, 124 &uuid2, &uuid3, &uuid4, &uuid5); 125 if (rc != 6) return false; 126 127 uuid0 = htonl(uuid0); 128 uuid1 = htons(uuid1); 129 uuid2 = htons(uuid2); 130 uuid3 = htons(uuid3); 131 uuid4 = htonl(uuid4); 132 uuid5 = htons(uuid5); 133 134 memcpy(&(p_uuid->uu[0]), &uuid0, 4); 135 memcpy(&(p_uuid->uu[4]), &uuid1, 2); 136 memcpy(&(p_uuid->uu[6]), &uuid2, 2); 137 memcpy(&(p_uuid->uu[8]), &uuid3, 2); 138 memcpy(&(p_uuid->uu[10]), &uuid4, 4); 139 memcpy(&(p_uuid->uu[14]), &uuid5, 2); 140 141 return true; 142 } 143 144 void uuid_to_string_legacy(bt_uuid_t* p_uuid, char* str, size_t str_len) { 145 uint32_t uuid0, uuid4; 146 uint16_t uuid1, uuid2, uuid3, uuid5; 147 148 memcpy(&uuid0, &(p_uuid->uu[0]), 4); 149 memcpy(&uuid1, &(p_uuid->uu[4]), 2); 150 memcpy(&uuid2, &(p_uuid->uu[6]), 2); 151 memcpy(&uuid3, &(p_uuid->uu[8]), 2); 152 memcpy(&uuid4, &(p_uuid->uu[10]), 4); 153 memcpy(&uuid5, &(p_uuid->uu[14]), 2); 154 155 snprintf(str, str_len, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x", ntohl(uuid0), 156 ntohs(uuid1), ntohs(uuid2), ntohs(uuid3), ntohl(uuid4), 157 ntohs(uuid5)); 158 return; 159 } 160 161 /***************************************************************************** 162 * Function ascii_2_hex 163 * 164 * Description This function converts an ASCII string into HEX 165 * 166 * Returns the number of hex bytes filled. 167 */ 168 int ascii_2_hex(const char* p_ascii, int len, uint8_t* p_hex) { 169 int x; 170 uint8_t c; 171 172 for (x = 0; (x < len) && (*p_ascii); x++) { 173 if (ISDIGIT(*p_ascii)) 174 c = (*p_ascii - '0') << 4; 175 else 176 c = (toupper(*p_ascii) - 'A' + 10) << 4; 177 178 p_ascii++; 179 if (*p_ascii) { 180 if (ISDIGIT(*p_ascii)) 181 c |= (*p_ascii - '0'); 182 else 183 c |= (toupper(*p_ascii) - 'A' + 10); 184 185 p_ascii++; 186 } 187 *p_hex++ = c; 188 } 189 190 return (x); 191 } 192 193 const char* dump_dm_search_event(uint16_t event) { 194 switch (event) { 195 CASE_RETURN_STR(BTA_DM_INQ_RES_EVT) 196 CASE_RETURN_STR(BTA_DM_INQ_CMPL_EVT) 197 CASE_RETURN_STR(BTA_DM_DISC_RES_EVT) 198 CASE_RETURN_STR(BTA_DM_DISC_BLE_RES_EVT) 199 CASE_RETURN_STR(BTA_DM_DISC_CMPL_EVT) 200 CASE_RETURN_STR(BTA_DM_DI_DISC_CMPL_EVT) 201 CASE_RETURN_STR(BTA_DM_SEARCH_CANCEL_CMPL_EVT) 202 203 default: 204 return "UNKNOWN MSG ID"; 205 } 206 } 207 208 const char* dump_property_type(bt_property_type_t type) { 209 switch (type) { 210 CASE_RETURN_STR(BT_PROPERTY_BDNAME) 211 CASE_RETURN_STR(BT_PROPERTY_BDADDR) 212 CASE_RETURN_STR(BT_PROPERTY_UUIDS) 213 CASE_RETURN_STR(BT_PROPERTY_CLASS_OF_DEVICE) 214 CASE_RETURN_STR(BT_PROPERTY_TYPE_OF_DEVICE) 215 CASE_RETURN_STR(BT_PROPERTY_REMOTE_RSSI) 216 CASE_RETURN_STR(BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT) 217 CASE_RETURN_STR(BT_PROPERTY_ADAPTER_BONDED_DEVICES) 218 CASE_RETURN_STR(BT_PROPERTY_ADAPTER_SCAN_MODE) 219 CASE_RETURN_STR(BT_PROPERTY_REMOTE_FRIENDLY_NAME) 220 221 default: 222 return "UNKNOWN PROPERTY ID"; 223 } 224 } 225 226 const char* dump_dm_event(uint16_t event) { 227 switch (event) { 228 CASE_RETURN_STR(BTA_DM_ENABLE_EVT) 229 CASE_RETURN_STR(BTA_DM_DISABLE_EVT) 230 CASE_RETURN_STR(BTA_DM_PIN_REQ_EVT) 231 CASE_RETURN_STR(BTA_DM_AUTH_CMPL_EVT) 232 CASE_RETURN_STR(BTA_DM_AUTHORIZE_EVT) 233 CASE_RETURN_STR(BTA_DM_LINK_UP_EVT) 234 CASE_RETURN_STR(BTA_DM_LINK_DOWN_EVT) 235 CASE_RETURN_STR(BTA_DM_SIG_STRENGTH_EVT) 236 CASE_RETURN_STR(BTA_DM_BUSY_LEVEL_EVT) 237 CASE_RETURN_STR(BTA_DM_BOND_CANCEL_CMPL_EVT) 238 CASE_RETURN_STR(BTA_DM_SP_CFM_REQ_EVT) 239 CASE_RETURN_STR(BTA_DM_SP_KEY_NOTIF_EVT) 240 CASE_RETURN_STR(BTA_DM_SP_RMT_OOB_EVT) 241 CASE_RETURN_STR(BTA_DM_SP_KEYPRESS_EVT) 242 CASE_RETURN_STR(BTA_DM_ROLE_CHG_EVT) 243 CASE_RETURN_STR(BTA_DM_BLE_KEY_EVT) 244 CASE_RETURN_STR(BTA_DM_BLE_SEC_REQ_EVT) 245 CASE_RETURN_STR(BTA_DM_BLE_PASSKEY_NOTIF_EVT) 246 CASE_RETURN_STR(BTA_DM_BLE_PASSKEY_REQ_EVT) 247 CASE_RETURN_STR(BTA_DM_BLE_OOB_REQ_EVT) 248 CASE_RETURN_STR(BTA_DM_BLE_LOCAL_IR_EVT) 249 CASE_RETURN_STR(BTA_DM_BLE_LOCAL_ER_EVT) 250 CASE_RETURN_STR(BTA_DM_BLE_AUTH_CMPL_EVT) 251 CASE_RETURN_STR(BTA_DM_DEV_UNPAIRED_EVT) 252 CASE_RETURN_STR(BTA_DM_HW_ERROR_EVT) 253 CASE_RETURN_STR(BTA_DM_ENER_INFO_READ) 254 255 default: 256 return "UNKNOWN DM EVENT"; 257 } 258 } 259 260 const char* dump_hf_event(uint16_t event) { 261 switch (event) { 262 CASE_RETURN_STR(BTA_AG_ENABLE_EVT) 263 CASE_RETURN_STR(BTA_AG_REGISTER_EVT) 264 CASE_RETURN_STR(BTA_AG_OPEN_EVT) 265 CASE_RETURN_STR(BTA_AG_CLOSE_EVT) 266 CASE_RETURN_STR(BTA_AG_CONN_EVT) 267 CASE_RETURN_STR(BTA_AG_AUDIO_OPEN_EVT) 268 CASE_RETURN_STR(BTA_AG_AUDIO_CLOSE_EVT) 269 CASE_RETURN_STR(BTA_AG_SPK_EVT) 270 CASE_RETURN_STR(BTA_AG_MIC_EVT) 271 CASE_RETURN_STR(BTA_AG_AT_CKPD_EVT) 272 CASE_RETURN_STR(BTA_AG_DISABLE_EVT) 273 CASE_RETURN_STR(BTA_AG_WBS_EVT) 274 CASE_RETURN_STR(BTA_AG_AT_A_EVT) 275 CASE_RETURN_STR(BTA_AG_AT_D_EVT) 276 CASE_RETURN_STR(BTA_AG_AT_CHLD_EVT) 277 CASE_RETURN_STR(BTA_AG_AT_CHUP_EVT) 278 CASE_RETURN_STR(BTA_AG_AT_CIND_EVT) 279 CASE_RETURN_STR(BTA_AG_AT_VTS_EVT) 280 CASE_RETURN_STR(BTA_AG_AT_BINP_EVT) 281 CASE_RETURN_STR(BTA_AG_AT_BLDN_EVT) 282 CASE_RETURN_STR(BTA_AG_AT_BVRA_EVT) 283 CASE_RETURN_STR(BTA_AG_AT_NREC_EVT) 284 CASE_RETURN_STR(BTA_AG_AT_CNUM_EVT) 285 CASE_RETURN_STR(BTA_AG_AT_BTRH_EVT) 286 CASE_RETURN_STR(BTA_AG_AT_CLCC_EVT) 287 CASE_RETURN_STR(BTA_AG_AT_COPS_EVT) 288 CASE_RETURN_STR(BTA_AG_AT_UNAT_EVT) 289 CASE_RETURN_STR(BTA_AG_AT_CBC_EVT) 290 CASE_RETURN_STR(BTA_AG_AT_BAC_EVT) 291 CASE_RETURN_STR(BTA_AG_AT_BCS_EVT) 292 CASE_RETURN_STR(BTA_AG_AT_BIND_EVT) 293 CASE_RETURN_STR(BTA_AG_AT_BIEV_EVT) 294 295 default: 296 return "UNKNOWN MSG ID"; 297 } 298 } 299 300 const char* dump_hf_client_event(uint16_t event) { 301 switch (event) { 302 CASE_RETURN_STR(BTA_HF_CLIENT_ENABLE_EVT) 303 CASE_RETURN_STR(BTA_HF_CLIENT_REGISTER_EVT) 304 CASE_RETURN_STR(BTA_HF_CLIENT_OPEN_EVT) 305 CASE_RETURN_STR(BTA_HF_CLIENT_CLOSE_EVT) 306 CASE_RETURN_STR(BTA_HF_CLIENT_CONN_EVT) 307 CASE_RETURN_STR(BTA_HF_CLIENT_AUDIO_OPEN_EVT) 308 CASE_RETURN_STR(BTA_HF_CLIENT_AUDIO_MSBC_OPEN_EVT) 309 CASE_RETURN_STR(BTA_HF_CLIENT_AUDIO_CLOSE_EVT) 310 CASE_RETURN_STR(BTA_HF_CLIENT_SPK_EVT) 311 CASE_RETURN_STR(BTA_HF_CLIENT_MIC_EVT) 312 CASE_RETURN_STR(BTA_HF_CLIENT_DISABLE_EVT) 313 CASE_RETURN_STR(BTA_HF_CLIENT_IND_EVT) 314 CASE_RETURN_STR(BTA_HF_CLIENT_VOICE_REC_EVT) 315 CASE_RETURN_STR(BTA_HF_CLIENT_OPERATOR_NAME_EVT) 316 CASE_RETURN_STR(BTA_HF_CLIENT_CLIP_EVT) 317 CASE_RETURN_STR(BTA_HF_CLIENT_CCWA_EVT) 318 CASE_RETURN_STR(BTA_HF_CLIENT_AT_RESULT_EVT) 319 CASE_RETURN_STR(BTA_HF_CLIENT_CLCC_EVT) 320 CASE_RETURN_STR(BTA_HF_CLIENT_CNUM_EVT) 321 CASE_RETURN_STR(BTA_HF_CLIENT_BTRH_EVT) 322 CASE_RETURN_STR(BTA_HF_CLIENT_BSIR_EVT) 323 CASE_RETURN_STR(BTA_HF_CLIENT_BINP_EVT) 324 CASE_RETURN_STR(BTA_HF_CLIENT_RING_INDICATION) 325 default: 326 return "UNKNOWN MSG ID"; 327 } 328 } 329 330 const char* dump_hh_event(uint16_t event) { 331 switch (event) { 332 CASE_RETURN_STR(BTA_HH_ENABLE_EVT) 333 CASE_RETURN_STR(BTA_HH_DISABLE_EVT) 334 CASE_RETURN_STR(BTA_HH_OPEN_EVT) 335 CASE_RETURN_STR(BTA_HH_CLOSE_EVT) 336 CASE_RETURN_STR(BTA_HH_GET_DSCP_EVT) 337 CASE_RETURN_STR(BTA_HH_GET_PROTO_EVT) 338 CASE_RETURN_STR(BTA_HH_GET_RPT_EVT) 339 CASE_RETURN_STR(BTA_HH_GET_IDLE_EVT) 340 CASE_RETURN_STR(BTA_HH_SET_PROTO_EVT) 341 CASE_RETURN_STR(BTA_HH_SET_RPT_EVT) 342 CASE_RETURN_STR(BTA_HH_SET_IDLE_EVT) 343 CASE_RETURN_STR(BTA_HH_VC_UNPLUG_EVT) 344 CASE_RETURN_STR(BTA_HH_ADD_DEV_EVT) 345 CASE_RETURN_STR(BTA_HH_RMV_DEV_EVT) 346 CASE_RETURN_STR(BTA_HH_API_ERR_EVT) 347 default: 348 return "UNKNOWN MSG ID"; 349 } 350 } 351 352 const char* dump_hf_conn_state(uint16_t event) { 353 switch (event) { 354 CASE_RETURN_STR(BTHF_CONNECTION_STATE_DISCONNECTED) 355 CASE_RETURN_STR(BTHF_CONNECTION_STATE_CONNECTING) 356 CASE_RETURN_STR(BTHF_CONNECTION_STATE_CONNECTED) 357 CASE_RETURN_STR(BTHF_CONNECTION_STATE_SLC_CONNECTED) 358 CASE_RETURN_STR(BTHF_CONNECTION_STATE_DISCONNECTING) 359 default: 360 return "UNKNOWN MSG ID"; 361 } 362 } 363 364 const char* dump_hd_event(uint16_t event) { 365 switch (event) { 366 CASE_RETURN_STR(BTA_HD_ENABLE_EVT) 367 CASE_RETURN_STR(BTA_HD_DISABLE_EVT) 368 CASE_RETURN_STR(BTA_HD_REGISTER_APP_EVT) 369 CASE_RETURN_STR(BTA_HD_UNREGISTER_APP_EVT) 370 CASE_RETURN_STR(BTA_HD_OPEN_EVT) 371 CASE_RETURN_STR(BTA_HD_CLOSE_EVT) 372 CASE_RETURN_STR(BTA_HD_GET_REPORT_EVT) 373 CASE_RETURN_STR(BTA_HD_SET_REPORT_EVT) 374 CASE_RETURN_STR(BTA_HD_SET_PROTOCOL_EVT) 375 CASE_RETURN_STR(BTA_HD_INTR_DATA_EVT) 376 CASE_RETURN_STR(BTA_HD_VC_UNPLUG_EVT) 377 CASE_RETURN_STR(BTA_HD_CONN_STATE_EVT) 378 CASE_RETURN_STR(BTA_HD_API_ERR_EVT) 379 default: 380 return "UNKNOWN MSG ID"; 381 } 382 } 383 384 const char* dump_hf_call_state(bthf_call_state_t call_state) { 385 switch (call_state) { 386 CASE_RETURN_STR(BTHF_CALL_STATE_IDLE) 387 CASE_RETURN_STR(BTHF_CALL_STATE_HELD) 388 CASE_RETURN_STR(BTHF_CALL_STATE_DIALING) 389 CASE_RETURN_STR(BTHF_CALL_STATE_ALERTING) 390 CASE_RETURN_STR(BTHF_CALL_STATE_INCOMING) 391 CASE_RETURN_STR(BTHF_CALL_STATE_WAITING) 392 CASE_RETURN_STR(BTHF_CALL_STATE_ACTIVE) 393 default: 394 return "UNKNOWN CALL STATE"; 395 } 396 } 397 398 const char* dump_thread_evt(bt_cb_thread_evt evt) { 399 switch (evt) { 400 CASE_RETURN_STR(ASSOCIATE_JVM) 401 CASE_RETURN_STR(DISASSOCIATE_JVM) 402 403 default: 404 return "unknown thread evt"; 405 } 406 } 407 408 const char* dump_hf_audio_state(uint16_t event) { 409 switch (event) { 410 CASE_RETURN_STR(BTHF_AUDIO_STATE_DISCONNECTED) 411 CASE_RETURN_STR(BTHF_AUDIO_STATE_CONNECTING) 412 CASE_RETURN_STR(BTHF_AUDIO_STATE_CONNECTED) 413 CASE_RETURN_STR(BTHF_AUDIO_STATE_DISCONNECTING) 414 default: 415 return "UNKNOWN MSG ID"; 416 } 417 } 418 419 const char* dump_av_conn_state(uint16_t event) { 420 switch (event) { 421 CASE_RETURN_STR(BTAV_CONNECTION_STATE_DISCONNECTED) 422 CASE_RETURN_STR(BTAV_CONNECTION_STATE_CONNECTING) 423 CASE_RETURN_STR(BTAV_CONNECTION_STATE_CONNECTED) 424 CASE_RETURN_STR(BTAV_CONNECTION_STATE_DISCONNECTING) 425 default: 426 return "UNKNOWN MSG ID"; 427 } 428 } 429 430 const char* dump_av_audio_state(uint16_t event) { 431 switch (event) { 432 CASE_RETURN_STR(BTAV_AUDIO_STATE_REMOTE_SUSPEND) 433 CASE_RETURN_STR(BTAV_AUDIO_STATE_STOPPED) 434 CASE_RETURN_STR(BTAV_AUDIO_STATE_STARTED) 435 default: 436 return "UNKNOWN MSG ID"; 437 } 438 } 439 440 const char* dump_adapter_scan_mode(bt_scan_mode_t mode) { 441 switch (mode) { 442 CASE_RETURN_STR(BT_SCAN_MODE_NONE) 443 CASE_RETURN_STR(BT_SCAN_MODE_CONNECTABLE) 444 CASE_RETURN_STR(BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE) 445 446 default: 447 return "unknown scan mode"; 448 } 449 } 450 451 const char* dump_bt_status(bt_status_t status) { 452 switch (status) { 453 CASE_RETURN_STR(BT_STATUS_SUCCESS) 454 CASE_RETURN_STR(BT_STATUS_FAIL) 455 CASE_RETURN_STR(BT_STATUS_NOT_READY) 456 CASE_RETURN_STR(BT_STATUS_NOMEM) 457 CASE_RETURN_STR(BT_STATUS_BUSY) 458 CASE_RETURN_STR(BT_STATUS_UNSUPPORTED) 459 460 default: 461 return "unknown scan mode"; 462 } 463 } 464 465 const char* dump_rc_event(uint8_t event) { 466 switch (event) { 467 CASE_RETURN_STR(BTA_AV_RC_OPEN_EVT) 468 CASE_RETURN_STR(BTA_AV_RC_CLOSE_EVT) 469 CASE_RETURN_STR(BTA_AV_RC_BROWSE_OPEN_EVT) 470 CASE_RETURN_STR(BTA_AV_RC_BROWSE_CLOSE_EVT) 471 CASE_RETURN_STR(BTA_AV_REMOTE_CMD_EVT) 472 CASE_RETURN_STR(BTA_AV_REMOTE_RSP_EVT) 473 CASE_RETURN_STR(BTA_AV_VENDOR_CMD_EVT) 474 CASE_RETURN_STR(BTA_AV_VENDOR_RSP_EVT) 475 CASE_RETURN_STR(BTA_AV_META_MSG_EVT) 476 CASE_RETURN_STR(BTA_AV_RC_FEAT_EVT) 477 default: 478 return "UNKNOWN_EVENT"; 479 } 480 } 481 482 const char* dump_rc_notification_event_id(uint8_t event_id) { 483 switch (event_id) { 484 CASE_RETURN_STR(AVRC_EVT_PLAY_STATUS_CHANGE) 485 CASE_RETURN_STR(AVRC_EVT_TRACK_CHANGE) 486 CASE_RETURN_STR(AVRC_EVT_TRACK_REACHED_END) 487 CASE_RETURN_STR(AVRC_EVT_TRACK_REACHED_START) 488 CASE_RETURN_STR(AVRC_EVT_PLAY_POS_CHANGED) 489 CASE_RETURN_STR(AVRC_EVT_BATTERY_STATUS_CHANGE) 490 CASE_RETURN_STR(AVRC_EVT_SYSTEM_STATUS_CHANGE) 491 CASE_RETURN_STR(AVRC_EVT_APP_SETTING_CHANGE) 492 CASE_RETURN_STR(AVRC_EVT_VOLUME_CHANGE) 493 CASE_RETURN_STR(AVRC_EVT_ADDR_PLAYER_CHANGE) 494 CASE_RETURN_STR(AVRC_EVT_AVAL_PLAYERS_CHANGE) 495 CASE_RETURN_STR(AVRC_EVT_NOW_PLAYING_CHANGE) 496 CASE_RETURN_STR(AVRC_EVT_UIDS_CHANGE) 497 498 default: 499 return "Unhandled Event ID"; 500 } 501 } 502 503 const char* dump_rc_pdu(uint8_t pdu) { 504 switch (pdu) { 505 CASE_RETURN_STR(AVRC_PDU_LIST_PLAYER_APP_ATTR) 506 CASE_RETURN_STR(AVRC_PDU_LIST_PLAYER_APP_VALUES) 507 CASE_RETURN_STR(AVRC_PDU_GET_CUR_PLAYER_APP_VALUE) 508 CASE_RETURN_STR(AVRC_PDU_SET_PLAYER_APP_VALUE) 509 CASE_RETURN_STR(AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT) 510 CASE_RETURN_STR(AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT) 511 CASE_RETURN_STR(AVRC_PDU_INFORM_DISPLAY_CHARSET) 512 CASE_RETURN_STR(AVRC_PDU_INFORM_BATTERY_STAT_OF_CT) 513 CASE_RETURN_STR(AVRC_PDU_GET_ELEMENT_ATTR) 514 CASE_RETURN_STR(AVRC_PDU_GET_PLAY_STATUS) 515 CASE_RETURN_STR(AVRC_PDU_REGISTER_NOTIFICATION) 516 CASE_RETURN_STR(AVRC_PDU_REQUEST_CONTINUATION_RSP) 517 CASE_RETURN_STR(AVRC_PDU_ABORT_CONTINUATION_RSP) 518 CASE_RETURN_STR(AVRC_PDU_SET_ABSOLUTE_VOLUME) 519 CASE_RETURN_STR(AVRC_PDU_SET_ADDRESSED_PLAYER) 520 CASE_RETURN_STR(AVRC_PDU_CHANGE_PATH) 521 CASE_RETURN_STR(AVRC_PDU_GET_CAPABILITIES) 522 CASE_RETURN_STR(AVRC_PDU_SET_BROWSED_PLAYER) 523 CASE_RETURN_STR(AVRC_PDU_GET_FOLDER_ITEMS) 524 CASE_RETURN_STR(AVRC_PDU_GET_ITEM_ATTRIBUTES) 525 CASE_RETURN_STR(AVRC_PDU_PLAY_ITEM) 526 CASE_RETURN_STR(AVRC_PDU_SEARCH) 527 CASE_RETURN_STR(AVRC_PDU_ADD_TO_NOW_PLAYING) 528 CASE_RETURN_STR(AVRC_PDU_GET_TOTAL_NUM_OF_ITEMS) 529 CASE_RETURN_STR(AVRC_PDU_GENERAL_REJECT) 530 531 default: 532 return "Unknown PDU"; 533 } 534 } 535