1 /****************************************************************************** 2 * 3 * Copyright (C) 2005-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /****************************************************************************** 20 * 21 * This file contains the HID host action functions. 22 * 23 ******************************************************************************/ 24 25 #include "bt_target.h" 26 27 #if defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE) 28 29 #include <string.h> 30 31 #include "bta_sys.h" 32 #include "btm_api.h" 33 #include "l2c_api.h" 34 #include "bta_hh_int.h" 35 #include "bta_hh_co.h" 36 #include "utl.h" 37 38 /***************************************************************************** 39 ** Constants 40 *****************************************************************************/ 41 42 43 /***************************************************************************** 44 ** Local Function prototypes 45 *****************************************************************************/ 46 static void bta_hh_cback (UINT8 dev_handle, BD_ADDR addr, UINT8 event, 47 UINT32 data, BT_HDR *pdata); 48 static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result); 49 50 #if BTA_HH_DEBUG 51 static char* bta_hh_get_w4_event(UINT16 event); 52 static char * bta_hh_hid_event_name(UINT16 event); 53 #endif 54 55 /***************************************************************************** 56 ** Action Functions 57 *****************************************************************************/ 58 /******************************************************************************* 59 ** 60 ** Function bta_hh_api_enable 61 ** 62 ** Description Perform necessary operations to enable HID host. 63 ** 64 ** 65 ** Returns void 66 ** 67 *******************************************************************************/ 68 void bta_hh_api_enable(tBTA_HH_DATA *p_data) 69 { 70 tBTA_HH_STATUS status = BTA_HH_ERR; 71 UINT8 xx; 72 73 /* initialize BTE HID */ 74 HID_HostInit(); 75 76 memset(&bta_hh_cb, 0, sizeof(tBTA_HH_CB)); 77 78 HID_HostSetSecurityLevel("", p_data->api_enable.sec_mask); 79 80 /* Register with L2CAP */ 81 if ( HID_HostRegister (bta_hh_cback) == HID_SUCCESS) 82 { 83 /* store parameters */ 84 bta_hh_cb.p_cback = p_data->api_enable.p_cback; 85 86 status = BTA_HH_OK; 87 /* initialize device CB */ 88 for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx ++) 89 { 90 bta_hh_cb.kdev[xx].state = BTA_HH_IDLE_ST; 91 bta_hh_cb.kdev[xx].hid_handle = BTA_HH_INVALID_HANDLE; 92 bta_hh_cb.kdev[xx].index = xx; 93 } 94 95 /* initialize control block map */ 96 for (xx = 0; xx < BTA_HH_MAX_KNOWN; xx ++) 97 bta_hh_cb.cb_index[xx] = BTA_HH_IDX_INVALID; 98 } 99 100 #if (BTA_HH_LE_INCLUDED == TRUE) 101 if (status == BTA_HH_OK) 102 { 103 bta_hh_le_enable(); 104 } 105 else 106 #endif 107 /* signal BTA call back event */ 108 (* bta_hh_cb.p_cback)(BTA_HH_ENABLE_EVT, (tBTA_HH *)&status); 109 } 110 /******************************************************************************* 111 ** 112 ** Function bta_hh_api_disable 113 ** 114 ** Description Perform necessary operations to disable HID host. 115 ** 116 ** 117 ** Returns void 118 ** 119 *******************************************************************************/ 120 void bta_hh_api_disable(void) 121 { 122 UINT8 xx; 123 124 /* service is not enabled */ 125 if (bta_hh_cb.p_cback == NULL) 126 return; 127 128 /* no live connection, signal DISC_CMPL_EVT directly */ 129 if (!bta_hh_cb.cnt_num) 130 { 131 bta_hh_disc_cmpl(); 132 } 133 else /* otherwise, disconnect all live connections */ 134 { 135 bta_hh_cb.w4_disable = TRUE; 136 137 for(xx = 0; xx < BTA_HH_MAX_DEVICE; xx ++) 138 { 139 /* send API_CLOSE event to every connected device */ 140 if ( bta_hh_cb.kdev[xx].state == BTA_HH_CONN_ST ) 141 { 142 /* disconnect all connected devices */ 143 bta_hh_sm_execute(&bta_hh_cb.kdev[xx], 144 BTA_HH_API_CLOSE_EVT, 145 NULL); 146 } 147 } 148 } 149 150 return; 151 } 152 153 /******************************************************************************* 154 ** 155 ** Function bta_hh_disc_cmpl 156 ** 157 ** Description All connections have been closed, disable service. 158 ** 159 ** 160 ** Returns void 161 ** 162 *******************************************************************************/ 163 void bta_hh_disc_cmpl(void) 164 { 165 tBTA_HH_STATUS status = BTA_HH_OK; 166 167 /* Deregister with lower layer */ 168 if (HID_HostDeregister() != HID_SUCCESS) 169 status = BTA_HH_ERR; 170 171 #if (BTA_HH_LE_INCLUDED == TRUE) 172 bta_hh_le_deregister(); 173 UNUSED(status); 174 #else 175 bta_hh_cleanup_disable(status); 176 #endif 177 } 178 179 /******************************************************************************* 180 ** 181 ** Function bta_hh_sdp_cback 182 ** 183 ** Description SDP callback function. 184 ** 185 ** Returns void 186 ** 187 *******************************************************************************/ 188 static void bta_hh_sdp_cback(UINT16 result, UINT16 attr_mask, 189 tHID_DEV_SDP_INFO *sdp_rec ) 190 { 191 tBTA_HH_DEV_CB *p_cb = bta_hh_cb.p_cur; 192 UINT8 hdl = 0; 193 tBTA_HH_STATUS status = BTA_HH_ERR_SDP; 194 195 /* make sure sdp succeeded and hh has not been disabled */ 196 if ((result == SDP_SUCCESS) && (p_cb != NULL)) 197 { 198 /* security is required for the connection, add attr_mask bit*/ 199 if (p_cb->sec_mask) 200 attr_mask |= HID_SEC_REQUIRED; 201 202 #if BTA_HH_DEBUG 203 APPL_TRACE_EVENT("bta_hh_sdp_cback: p_cb: %d result 0x%02x, \ 204 attr_mask 0x%02x, handle %x", \ 205 p_cb, result, attr_mask,p_cb->hid_handle); 206 #endif 207 208 /* check to see type of device is supported , and should not been added before */ 209 if (bta_hh_tod_spt(p_cb, sdp_rec->sub_class)) 210 { 211 /* if not added before */ 212 if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE) 213 { 214 /* add device/update attr_mask information */ 215 if(HID_HostAddDev (p_cb->addr, attr_mask, &hdl) == HID_SUCCESS) 216 { 217 status = BTA_HH_OK; 218 /* update cb_index[] map */ 219 bta_hh_cb.cb_index[hdl] = p_cb->index; 220 } 221 else 222 { 223 p_cb->app_id = 0; 224 } 225 } 226 else 227 { 228 hdl = p_cb->hid_handle; 229 } 230 /* else : incoming connection after SDP should update the SDP information as well */ 231 232 if (p_cb->app_id != 0) 233 { 234 /* update cb information with attr_mask, dscp_info etc. */ 235 bta_hh_add_device_to_list(p_cb, hdl, attr_mask, 236 &sdp_rec->dscp_info, 237 sdp_rec->sub_class, 238 sdp_rec->ssr_max_latency, 239 sdp_rec->ssr_min_tout, 240 p_cb->app_id); 241 242 p_cb->dscp_info.ctry_code = sdp_rec->ctry_code; 243 244 status = BTA_HH_OK; 245 } 246 247 } 248 else /* type of device is not supported */ 249 status = BTA_HH_ERR_TOD_UNSPT; 250 } 251 252 /* free disc_db when SDP is completed */ 253 utl_freebuf((void **)&bta_hh_cb.p_disc_db); 254 255 /* send SDP_CMPL_EVT into state machine */ 256 bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); 257 258 return; 259 } 260 /******************************************************************************* 261 ** 262 ** Function bta_hh_di_sdp_cback 263 ** 264 ** Description SDP DI callback function. 265 ** 266 ** Returns void 267 ** 268 *******************************************************************************/ 269 static void bta_hh_di_sdp_cback(UINT16 result) 270 { 271 tBTA_HH_DEV_CB *p_cb = bta_hh_cb.p_cur; 272 tBTA_HH_STATUS status = BTA_HH_ERR_SDP; 273 tSDP_DI_GET_RECORD di_rec; 274 tHID_STATUS ret; 275 #if BTA_HH_DEBUG 276 APPL_TRACE_EVENT("bta_hh_di_sdp_cback: p_cb: %d result 0x%02x", p_cb, result); 277 #endif 278 279 /* if DI record does not exist on remote device, vendor_id in tBTA_HH_DEV_DSCP_INFO will be 280 * set to 0xffff and we will allow the connection to go through. Spec mandates that DI 281 * record be set, but many HID devices do not set this. So for IOP purposes, we allow the 282 * connection to go through and update the DI record to invalid DI entry.*/ 283 if (((result == SDP_SUCCESS) || (result == SDP_NO_RECS_MATCH)) && (p_cb != NULL)) 284 { 285 if(result == SDP_SUCCESS && SDP_GetNumDiRecords(bta_hh_cb.p_disc_db) != 0) 286 { 287 /* always update information with primary DI record */ 288 if (SDP_GetDiRecord(1, &di_rec, bta_hh_cb.p_disc_db) == SDP_SUCCESS) 289 { 290 bta_hh_update_di_info(p_cb, di_rec.rec.vendor, di_rec.rec.product, di_rec.rec.version, 0); 291 } 292 293 } 294 else /* no DI recrod available */ 295 { 296 bta_hh_update_di_info(p_cb, BTA_HH_VENDOR_ID_INVALID, 0, 0, 0); 297 } 298 299 if ((ret = HID_HostGetSDPRecord(p_cb->addr, 300 bta_hh_cb.p_disc_db, 301 p_bta_hh_cfg->sdp_db_size, 302 bta_hh_sdp_cback)) == HID_SUCCESS) 303 { 304 status = BTA_HH_OK; 305 } 306 else 307 { 308 #if BTA_HH_DEBUG 309 APPL_TRACE_DEBUG ("bta_hh_di_sdp_cback: HID_HostGetSDPRecord failed: Status 0x%2x", 310 ret); 311 #endif 312 } 313 } 314 315 316 if (status != BTA_HH_OK) 317 { 318 utl_freebuf((void **)&bta_hh_cb.p_disc_db); 319 /* send SDP_CMPL_EVT into state machine */ 320 bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); 321 } 322 return; 323 324 } 325 326 327 /******************************************************************************* 328 ** 329 ** Function bta_hh_start_sdp 330 ** 331 ** Description Start SDP service search, and obtain necessary SDP records. 332 ** Only one SDP service search request is allowed at the same 333 ** time. For every BTA_HhOpen API call, do SDP first unless SDP 334 ** has been done previously. 335 ** 336 ** Returns void 337 ** 338 *******************************************************************************/ 339 void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) 340 { 341 tBTA_HH_STATUS status = BTA_HH_ERR_SDP; 342 UINT8 hdl; 343 344 p_cb->sec_mask = p_data->api_conn.sec_mask; 345 p_cb->mode = p_data->api_conn.mode; 346 bta_hh_cb.p_cur = p_cb; 347 348 #if (BTA_HH_LE_INCLUDED == TRUE) 349 if (bta_hh_is_le_device(p_cb, p_data->api_conn.bd_addr)) 350 { 351 bta_hh_le_open_conn(p_cb, p_data->api_conn.bd_addr); 352 return; 353 } 354 #endif 355 356 /* if previously virtually cabled device, skip SDP */ 357 if (p_cb->app_id) 358 { 359 status = BTA_HH_OK; 360 #if BTA_HH_DEBUG 361 APPL_TRACE_DEBUG("bta_hh_start_sdp:: skip SDP for known devices"); 362 #endif 363 if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE) 364 { 365 if (HID_HostAddDev (p_cb->addr, p_cb->attr_mask, &hdl) \ 366 == HID_SUCCESS) 367 { 368 /* update device CB with newly register device handle */ 369 bta_hh_add_device_to_list(p_cb, hdl, p_cb->attr_mask, NULL, 370 p_cb->sub_class, 371 p_cb->dscp_info.ssr_max_latency, 372 p_cb->dscp_info.ssr_min_tout, 373 p_cb->app_id); 374 /* update cb_index[] map */ 375 bta_hh_cb.cb_index[hdl] = p_cb->index; 376 } 377 else 378 status = BTA_HH_ERR_NO_RES; 379 } 380 bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); 381 382 return; 383 } 384 /* GetSDPRecord. at one time only one SDP precedure can be active */ 385 else if (!bta_hh_cb.p_disc_db) 386 { 387 bta_hh_cb.p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(p_bta_hh_cfg->sdp_db_size); 388 389 if (bta_hh_cb.p_disc_db == NULL) 390 { 391 status = BTA_HH_ERR_NO_RES; 392 } 393 else 394 { 395 bta_hh_cb.p_cur = p_cb; 396 /* do DI discovery first */ 397 if (SDP_DiDiscover(p_data->api_conn.bd_addr, 398 bta_hh_cb.p_disc_db, 399 p_bta_hh_cfg->sdp_db_size, 400 bta_hh_di_sdp_cback) != SDP_SUCCESS) 401 { 402 #if BTA_HH_DEBUG 403 APPL_TRACE_DEBUG ("bta_hh_start_sdp: SDP_DiDiscover failed: \ 404 Status 0x%2X",status); 405 #endif 406 status = BTA_HH_ERR_SDP; 407 utl_freebuf((void **)&bta_hh_cb.p_disc_db); 408 } 409 else 410 status = BTA_HH_OK; 411 } 412 } 413 414 if (status != BTA_HH_OK) 415 bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); 416 417 return; 418 419 } 420 /******************************************************************************* 421 ** 422 ** Function bta_hh_sdp_cmpl 423 ** 424 ** Description When SDP completed, initiate a connection or report error depend 425 ** on SDP result. 426 ** 427 ** 428 ** Returns void 429 ** 430 *******************************************************************************/ 431 void bta_hh_sdp_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) 432 { 433 tBTA_HH_CONN conn_dat; 434 tBTA_HH_STATUS status = p_data->status; 435 436 #if BTA_HH_DEBUG 437 APPL_TRACE_DEBUG ("bta_hh_sdp_cmpl: status 0x%2X",p_data->status); 438 #endif 439 440 /* initialize call back data */ 441 memset((void *)&conn_dat, 0, sizeof(tBTA_HH_CONN)); 442 conn_dat.handle = p_cb->hid_handle; 443 bdcpy(conn_dat.bda, p_cb->addr); 444 445 /* if SDP compl success */ 446 if ( status == BTA_HH_OK) 447 { 448 /* not incoming connection doing SDP, initiate a HID connection */ 449 if (!p_cb->incoming_conn) 450 { 451 tHID_STATUS ret; 452 /* set security level */ 453 HID_HostSetSecurityLevel("", p_cb->sec_mask); 454 455 /* open HID connection */ 456 if ((ret = HID_HostOpenDev (p_cb->hid_handle)) != HID_SUCCESS) 457 { 458 #if BTA_HH_DEBUG 459 APPL_TRACE_DEBUG ("bta_hh_sdp_cmpl: HID_HostOpenDev failed: \ 460 Status 0x%2X",ret); 461 #endif 462 /* open fail, remove device from management device list */ 463 HID_HostRemoveDev( p_cb->hid_handle); 464 status = BTA_HH_ERR; 465 } 466 else 467 { 468 status = BTA_HH_OK; 469 } 470 } 471 else /* incoming connection SDP finish */ 472 { 473 bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, NULL); 474 } 475 } 476 477 if (status != BTA_HH_OK) 478 { 479 /* Check if this was incoming connection request from an unknown device 480 **and connection failed due to missing HID Device SDP UUID 481 **In above condition, disconnect the link as well as remove the 482 **device from list of HID devices*/ 483 if ((status == BTA_HH_ERR_SDP) && 484 (p_cb->incoming_conn) &&(p_cb->app_id == 0)) 485 { 486 APPL_TRACE_DEBUG ("bta_hh_sdp_cmpl:SDP failed for incoming conn :hndl %d", 487 p_cb->incoming_hid_handle); 488 HID_HostRemoveDev( p_cb->incoming_hid_handle); 489 } 490 conn_dat.status = status; 491 (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat); 492 493 /* move state machine W4_CONN ->IDLE */ 494 bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL); 495 496 /* if this is an outgoing connection to an unknown device, clean up cb */ 497 if (p_cb->app_id == 0 && !p_cb->incoming_conn) 498 { 499 /* clean up device control block */ 500 bta_hh_clean_up_kdev(p_cb); 501 } 502 #if BTA_HH_DEBUG 503 bta_hh_trace_dev_db(); 504 #endif 505 } 506 return; 507 } 508 509 /******************************************************************************* 510 ** 511 ** Function bta_hh_api_disc_act 512 ** 513 ** Description HID Host initiate a disconnection. 514 ** 515 ** 516 ** Returns void 517 ** 518 *******************************************************************************/ 519 void bta_hh_api_disc_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) 520 { 521 tBTA_HH_CBDATA disc_dat; 522 tHID_STATUS status; 523 524 #if BTA_HH_LE_INCLUDED == TRUE 525 if (p_cb->is_le_device) 526 bta_hh_le_api_disc_act(p_cb); 527 else 528 #endif 529 { 530 /* found an active connection */ 531 disc_dat.handle = p_data ?(UINT8)p_data->hdr.layer_specific :p_cb->hid_handle; 532 disc_dat.status = BTA_HH_ERR; 533 534 status = HID_HostCloseDev(disc_dat.handle); 535 536 if (status) 537 (* bta_hh_cb.p_cback)(BTA_HH_CLOSE_EVT, (tBTA_HH *)&disc_dat); 538 } 539 540 return; 541 542 } 543 /******************************************************************************* 544 ** 545 ** Function bta_hh_open_cmpl_act 546 ** 547 ** Description HID host connection completed 548 ** 549 ** 550 ** Returns void 551 ** 552 *******************************************************************************/ 553 void bta_hh_open_cmpl_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) 554 { 555 tBTA_HH_CONN conn ; 556 UINT8 dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \ 557 p_cb->hid_handle; 558 559 memset((void *)&conn, 0, sizeof (tBTA_HH_CONN)); 560 conn.handle = dev_handle; 561 bdcpy(conn.bda, p_cb->addr); 562 563 /* increase connection number */ 564 bta_hh_cb.cnt_num ++; 565 566 /* initialize device driver */ 567 bta_hh_co_open(p_cb->hid_handle, p_cb->sub_class, 568 p_cb->attr_mask, p_cb->app_id); 569 570 #if (BTA_HH_LE_INCLUDED == TRUE) 571 conn.status = p_cb->status; 572 conn.le_hid = p_cb->is_le_device; 573 conn.scps_supported = p_cb->scps_supported; 574 575 if (!p_cb->is_le_device) 576 #endif 577 { 578 /* inform role manager */ 579 bta_sys_conn_open( BTA_ID_HH ,p_cb->app_id, p_cb->addr); 580 } 581 /* set protocol mode when not default report mode */ 582 if ( p_cb->mode != BTA_HH_PROTO_RPT_MODE 583 #if (BTA_HH_LE_INCLUDED == TRUE) 584 && !p_cb->is_le_device 585 #endif 586 ) 587 { 588 if ((HID_HostWriteDev(dev_handle, 589 HID_TRANS_SET_PROTOCOL, HID_PAR_PROTOCOL_BOOT_MODE, 590 0, 591 0, NULL)) != HID_SUCCESS) 592 { 593 /* HID connection is up, while SET_PROTO fail */ 594 conn.status = BTA_HH_ERR_PROTO; 595 (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn); 596 } 597 else 598 { 599 conn.status = BTA_HH_OK; 600 p_cb->w4_evt = BTA_HH_OPEN_EVT; 601 } 602 } 603 else 604 (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn); 605 606 p_cb->incoming_conn = FALSE; 607 p_cb->incoming_hid_handle = BTA_HH_INVALID_HANDLE; 608 609 } 610 /******************************************************************************* 611 ** 612 ** Function bta_hh_open_act 613 ** 614 ** Description HID host receive HID_OPEN_EVT . 615 ** 616 ** 617 ** Returns void 618 ** 619 *******************************************************************************/ 620 void bta_hh_open_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) 621 { 622 tBTA_HH_API_CONN conn_data; 623 624 UINT8 dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \ 625 p_cb->hid_handle; 626 627 #if BTA_HH_DEBUG 628 APPL_TRACE_EVENT ("bta_hh_open_act: Device[%d] connected", dev_handle); 629 #endif 630 631 /* SDP has been done */ 632 if (p_cb->app_id != 0) 633 { 634 bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, p_data); 635 } 636 else 637 /* app_id == 0 indicates an incoming conenction request arrives without SDP 638 performed, do it first */ 639 { 640 p_cb->incoming_conn = TRUE; 641 /* store the handle here in case sdp fails - need to disconnect */ 642 p_cb->incoming_hid_handle = dev_handle; 643 644 memset(&conn_data, 0, sizeof(tBTA_HH_API_CONN)); 645 bdcpy(conn_data.bd_addr, p_cb->addr); 646 bta_hh_start_sdp(p_cb, (tBTA_HH_DATA *)&conn_data); 647 } 648 649 return; 650 } 651 652 653 /******************************************************************************* 654 ** 655 ** Function bta_hh_data_act 656 ** 657 ** Description HID Host process a data report 658 ** 659 ** 660 ** Returns void 661 ** 662 *******************************************************************************/ 663 void bta_hh_data_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data) 664 { 665 BT_HDR *pdata = p_data->hid_cback.p_data; 666 UINT8 *p_rpt = (UINT8 *)(pdata + 1) + pdata->offset; 667 668 bta_hh_co_data((UINT8)p_data->hid_cback.hdr.layer_specific, p_rpt, pdata->len, 669 p_cb->mode, p_cb->sub_class, p_cb->dscp_info.ctry_code, p_cb->addr, p_cb->app_id); 670 671 utl_freebuf((void **)&pdata); 672 } 673 674 675 /******************************************************************************* 676 ** 677 ** Function bta_hh_handsk_act 678 ** 679 ** Description HID Host process a handshake acknoledgement. 680 ** 681 ** 682 ** Returns void 683 ** 684 *******************************************************************************/ 685 void bta_hh_handsk_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data) 686 { 687 tBTA_HH_CBDATA cback_data ; 688 tBTA_HH_HSDATA hs_data; 689 tBTA_HH_CONN conn ; 690 691 #if BTA_HH_DEBUG 692 APPL_TRACE_DEBUG("HANDSHAKE received for: event = %s data= %d", 693 bta_hh_get_w4_event(p_cb->w4_evt), p_data->hid_cback.data); 694 #endif 695 696 memset(&hs_data, 0, sizeof(tBTA_HH_HSDATA)); 697 memset(&cback_data, 0, sizeof(tBTA_HH_CBDATA)); 698 699 switch (p_cb->w4_evt) 700 { 701 /* GET_ transsaction, handshake indicate unsupported request */ 702 case BTA_HH_GET_PROTO_EVT: 703 hs_data.rsp_data.proto_mode = BTA_HH_PROTO_UNKNOWN; 704 /* fall through */ 705 case BTA_HH_GET_RPT_EVT: 706 case BTA_HH_GET_IDLE_EVT : 707 hs_data.handle = p_cb->hid_handle; 708 /* if handshake gives an OK code for these transaction, fill in UNSUPT */ 709 if ((hs_data.status = bta_hh_get_trans_status(p_data->hid_cback.data)) == BTA_HH_OK) 710 hs_data.status = BTA_HH_HS_TRANS_NOT_SPT; 711 712 (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data); 713 p_cb->w4_evt = 0; 714 break; 715 716 /* acknoledgement from HID device for SET_ transaction */ 717 case BTA_HH_SET_RPT_EVT: 718 case BTA_HH_SET_PROTO_EVT: 719 case BTA_HH_SET_IDLE_EVT : 720 cback_data.handle = p_cb->hid_handle; 721 cback_data.status = bta_hh_get_trans_status(p_data->hid_cback.data); 722 (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&cback_data); 723 p_cb->w4_evt = 0; 724 break; 725 726 /* SET_PROTOCOL when open connection */ 727 case BTA_HH_OPEN_EVT: 728 conn.status =p_data->hid_cback.data ? BTA_HH_ERR_PROTO: BTA_HH_OK; 729 conn.handle = p_cb->hid_handle; 730 bdcpy(conn.bda, p_cb->addr); 731 (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&conn); 732 #if BTA_HH_DEBUG 733 bta_hh_trace_dev_db(); 734 #endif 735 p_cb->w4_evt = 0; 736 break; 737 738 default: 739 /* unknow transaction handshake response */ 740 APPL_TRACE_DEBUG("unknown transaction type"); 741 break; 742 } 743 744 /* transaction achknoledgement received, inform PM for mode change */ 745 bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr); 746 return; 747 } 748 /******************************************************************************* 749 ** 750 ** Function bta_hh_ctrl_dat_act 751 ** 752 ** Description HID Host process a data report from control channel. 753 ** 754 ** 755 ** Returns void 756 ** 757 *******************************************************************************/ 758 void bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data) 759 { 760 BT_HDR *pdata = p_data->hid_cback.p_data; 761 UINT8 *data = (UINT8 *)(pdata + 1) + pdata->offset; 762 tBTA_HH_HSDATA hs_data; 763 764 #if BTA_HH_DEBUG 765 APPL_TRACE_DEBUG("Ctrl DATA received w4: event[%s]", 766 bta_hh_get_w4_event(p_cb->w4_evt)); 767 #endif 768 hs_data.status = BTA_HH_OK; 769 hs_data.handle = p_cb->hid_handle; 770 771 switch (p_cb->w4_evt) 772 { 773 case BTA_HH_GET_IDLE_EVT: 774 hs_data.rsp_data.idle_rate = *data; 775 break; 776 case BTA_HH_GET_RPT_EVT: 777 hs_data.rsp_data.p_rpt_data = pdata; 778 break; 779 case BTA_HH_GET_PROTO_EVT: 780 /* match up BTE/BTA report/boot mode def*/ 781 hs_data.rsp_data.proto_mode = ((*data) == HID_PAR_PROTOCOL_REPORT)? \ 782 BTA_HH_PROTO_RPT_MODE : BTA_HH_PROTO_BOOT_MODE; 783 #if BTA_HH_DEBUG 784 APPL_TRACE_DEBUG("GET_PROTOCOL Mode = [%s]", 785 (hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE)? "Report" : "Boot"); 786 #endif 787 break; 788 /* should not expect control DATA for SET_ transaction */ 789 case BTA_HH_SET_PROTO_EVT: 790 /* fall through */ 791 case BTA_HH_SET_RPT_EVT: 792 /* fall through */ 793 case BTA_HH_SET_IDLE_EVT : 794 /* fall through */ 795 default: 796 #if BTA_HH_DEBUG 797 APPL_TRACE_DEBUG("invalid transaction type for DATA payload: 4_evt[%s]", 798 bta_hh_get_w4_event(p_cb->w4_evt)); 799 #endif 800 break; 801 } 802 803 /* inform PM for mode change */ 804 bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr); 805 bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr); 806 807 (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data); 808 809 p_cb->w4_evt = 0; 810 utl_freebuf((void **)&pdata); 811 812 } 813 814 /******************************************************************************* 815 ** 816 ** Function bta_hh_open_failure 817 ** 818 ** Description report HID open failure when at wait for connection state and receive 819 ** device close event. 820 ** 821 ** 822 ** Returns void 823 ** 824 *******************************************************************************/ 825 void bta_hh_open_failure(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) 826 { 827 tBTA_HH_CONN conn_dat ; 828 UINT32 reason = p_data->hid_cback.data; /* Reason for closing (32-bit) */ 829 830 memset(&conn_dat, 0, sizeof(tBTA_HH_CONN)); 831 conn_dat.handle = p_cb->hid_handle; 832 conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ? 833 BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR; 834 bdcpy(conn_dat.bda, p_cb->addr); 835 HID_HostCloseDev(p_cb->hid_handle); 836 837 /* Report OPEN fail event */ 838 (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat); 839 840 #if BTA_HH_DEBUG 841 bta_hh_trace_dev_db(); 842 #endif 843 /* clean up control block, but retain SDP info and device handle */ 844 p_cb->vp = FALSE; 845 p_cb->w4_evt = 0; 846 847 /* if no connection is active and HH disable is signaled, disable service */ 848 if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable) 849 { 850 bta_hh_disc_cmpl(); 851 } 852 853 } 854 855 /******************************************************************************* 856 ** 857 ** Function bta_hh_close_act 858 ** 859 ** Description HID Host process a close event 860 ** 861 ** 862 ** Returns void 863 ** 864 *******************************************************************************/ 865 void bta_hh_close_act (tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) 866 { 867 tBTA_HH_CONN conn_dat ; 868 tBTA_HH_CBDATA disc_dat = {BTA_HH_OK, 0}; 869 UINT32 reason = p_data->hid_cback.data; /* Reason for closing (32-bit) */ 870 871 /* if HID_HDEV_EVT_VC_UNPLUG was received, report BTA_HH_VC_UNPLUG_EVT */ 872 UINT16 event = p_cb->vp ? BTA_HH_VC_UNPLUG_EVT : BTA_HH_CLOSE_EVT; 873 874 disc_dat.handle = p_cb->hid_handle; 875 disc_dat.status = p_data->hid_cback.data; 876 877 /* Check reason for closing */ 878 if ((reason & (HID_L2CAP_CONN_FAIL|HID_L2CAP_REQ_FAIL)) || /* Failure to initialize connection (page timeout or l2cap error) */ 879 (reason == HID_ERR_AUTH_FAILED) || /* Authenication error (while initiating) */ 880 (reason == HID_ERR_L2CAP_FAILED)) /* Failure creating l2cap connection */ 881 { 882 /* Failure in opening connection */ 883 conn_dat.handle = p_cb->hid_handle; 884 conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ? BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR; 885 bdcpy(conn_dat.bda, p_cb->addr); 886 HID_HostCloseDev(p_cb->hid_handle); 887 888 /* Report OPEN fail event */ 889 (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat); 890 891 #if BTA_HH_DEBUG 892 bta_hh_trace_dev_db(); 893 #endif 894 return; 895 } 896 /* otherwise report CLOSE/VC_UNPLUG event */ 897 else 898 { 899 /* finaliza device driver */ 900 bta_hh_co_close(p_cb->hid_handle, p_cb->app_id); 901 /* inform role manager */ 902 bta_sys_conn_close( BTA_ID_HH ,p_cb->app_id, p_cb->addr); 903 /* update total conn number */ 904 bta_hh_cb.cnt_num --; 905 906 if (disc_dat.status) 907 disc_dat.status = BTA_HH_ERR; 908 909 (*bta_hh_cb.p_cback)(event, (tBTA_HH *)&disc_dat); 910 911 /* if virtually unplug, remove device */ 912 if (p_cb->vp ) 913 { 914 HID_HostRemoveDev( p_cb->hid_handle); 915 bta_hh_clean_up_kdev(p_cb); 916 } 917 918 #if BTA_HH_DEBUG 919 bta_hh_trace_dev_db(); 920 #endif 921 } 922 923 /* clean up control block, but retain SDP info and device handle */ 924 p_cb->vp = FALSE; 925 p_cb->w4_evt = 0; 926 927 /* if no connection is active and HH disable is signaled, disable service */ 928 if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable) 929 { 930 bta_hh_disc_cmpl(); 931 } 932 933 return; 934 } 935 936 /******************************************************************************* 937 ** 938 ** Function bta_hh_get_dscp_act 939 ** 940 ** Description Get device report descriptor 941 ** 942 ** 943 ** Returns void 944 ** 945 *******************************************************************************/ 946 void bta_hh_get_dscp_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) 947 { 948 UNUSED(p_data); 949 950 #if (BTA_HH_LE_INCLUDED == TRUE) 951 if (p_cb->is_le_device) 952 { 953 bta_hh_le_get_dscp_act(p_cb); 954 } 955 else 956 #endif 957 (*bta_hh_cb.p_cback)(BTA_HH_GET_DSCP_EVT, (tBTA_HH *)&p_cb->dscp_info); 958 } 959 960 /******************************************************************************* 961 ** 962 ** Function bta_hh_maint_dev_act 963 ** 964 ** Description HID Host maintain device list. 965 ** 966 ** 967 ** Returns void 968 ** 969 *******************************************************************************/ 970 void bta_hh_maint_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) 971 { 972 tBTA_HH_MAINT_DEV *p_dev_info = &p_data->api_maintdev; 973 tBTA_HH_DEV_INFO dev_info ; 974 UINT8 dev_handle; 975 976 dev_info.status = BTA_HH_ERR; 977 dev_info.handle = BTA_HH_INVALID_HANDLE; 978 979 switch (p_dev_info->sub_event) 980 { 981 case BTA_HH_ADD_DEV_EVT: /* add a device */ 982 bdcpy(dev_info.bda, p_dev_info->bda); 983 /* initialize callback data */ 984 if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE) 985 { 986 #if (BTA_HH_LE_INCLUDED == TRUE) 987 if (bta_hh_is_le_device(p_cb, p_data->api_conn.bd_addr)) 988 { 989 dev_info.handle = bta_hh_le_add_device(p_cb, p_dev_info); 990 dev_info.status = BTA_HH_OK; 991 } 992 else 993 #endif 994 995 if (HID_HostAddDev(p_dev_info->bda, p_dev_info->attr_mask, &dev_handle)\ 996 == HID_SUCCESS) 997 { 998 dev_info.handle = dev_handle; 999 dev_info.status = BTA_HH_OK; 1000 1001 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 1002 /* update DI information */ 1003 bta_hh_update_di_info(p_cb, 1004 p_dev_info->dscp_info.vendor_id, 1005 p_dev_info->dscp_info.product_id, 1006 p_dev_info->dscp_info.version, 1007 p_dev_info->dscp_info.flag); 1008 #else 1009 bta_hh_update_di_info(p_cb, 1010 p_dev_info->dscp_info.vendor_id, 1011 p_dev_info->dscp_info.product_id, 1012 p_dev_info->dscp_info.version, 1013 0); 1014 1015 #endif 1016 /* add to BTA device list */ 1017 bta_hh_add_device_to_list(p_cb, dev_handle, 1018 p_dev_info->attr_mask, 1019 &p_dev_info->dscp_info.descriptor, 1020 p_dev_info->sub_class, 1021 p_dev_info->dscp_info.ssr_max_latency, 1022 p_dev_info->dscp_info.ssr_min_tout, 1023 p_dev_info->app_id); 1024 /* update cb_index[] map */ 1025 bta_hh_cb.cb_index[dev_handle] = p_cb->index; 1026 } 1027 } 1028 else /* device already been added */ 1029 { 1030 dev_info.handle = p_cb->hid_handle; 1031 dev_info.status = BTA_HH_OK; 1032 } 1033 #if BTA_HH_DEBUG 1034 bta_hh_trace_dev_db(); 1035 #endif 1036 1037 break; 1038 case BTA_HH_RMV_DEV_EVT: /* remove device */ 1039 dev_info.handle = (UINT8)p_dev_info->hdr.layer_specific; 1040 bdcpy(dev_info.bda, p_cb->addr); 1041 1042 #if BTA_HH_LE_INCLUDED == TRUE 1043 if (p_cb->is_le_device) 1044 { 1045 bta_hh_le_remove_dev_bg_conn(p_cb); 1046 bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL); 1047 bta_hh_clean_up_kdev(p_cb); 1048 } 1049 else 1050 #endif 1051 { 1052 if(HID_HostRemoveDev( dev_info.handle ) == HID_SUCCESS) 1053 { 1054 dev_info.status = BTA_HH_OK; 1055 1056 /* remove from known device list in BTA */ 1057 bta_hh_clean_up_kdev(p_cb); 1058 } 1059 } 1060 break; 1061 1062 default: 1063 APPL_TRACE_DEBUG("invalid command"); 1064 break; 1065 } 1066 1067 (* bta_hh_cb.p_cback)(p_dev_info->sub_event, (tBTA_HH *)&dev_info); 1068 } 1069 /******************************************************************************* 1070 ** 1071 ** Function bta_hh_write_dev_act 1072 ** 1073 ** Description Write device action. can be SET/GET/DATA transaction. 1074 ** 1075 ** Returns void 1076 ** 1077 *******************************************************************************/ 1078 void bta_hh_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) 1079 { 1080 tBTA_HH_CBDATA cbdata = {BTA_HH_OK, 0}; 1081 UINT16 event = (p_data->api_sndcmd.t_type - BTA_HH_FST_BTE_TRANS_EVT) + 1082 BTA_HH_FST_TRANS_CB_EVT; 1083 1084 #if BTA_HH_LE_INCLUDED == TRUE 1085 if (p_cb->is_le_device) 1086 bta_hh_le_write_dev_act(p_cb, p_data); 1087 else 1088 #endif 1089 { 1090 1091 cbdata.handle = p_cb->hid_handle; 1092 1093 /* match up BTE/BTA report/boot mode def */ 1094 if (p_data->api_sndcmd.t_type == HID_TRANS_SET_PROTOCOL) 1095 { 1096 p_data->api_sndcmd.param = ( p_data->api_sndcmd.param == BTA_HH_PROTO_RPT_MODE) ?\ 1097 HID_PAR_PROTOCOL_REPORT :HID_PAR_PROTOCOL_BOOT_MODE; 1098 } 1099 1100 if (HID_HostWriteDev (p_cb->hid_handle, 1101 p_data->api_sndcmd.t_type, 1102 p_data->api_sndcmd.param, 1103 p_data->api_sndcmd.data, 1104 p_data->api_sndcmd.rpt_id, 1105 p_data->api_sndcmd.p_data) != HID_SUCCESS) 1106 { 1107 APPL_TRACE_ERROR("HID_HostWriteDev Error "); 1108 cbdata.status = BTA_HH_ERR; 1109 1110 if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL && 1111 p_data->api_sndcmd.t_type != HID_TRANS_DATA) 1112 (* bta_hh_cb.p_cback)(event, (tBTA_HH *)&cbdata); 1113 else if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG) 1114 (* bta_hh_cb.p_cback)(BTA_HH_VC_UNPLUG_EVT, (tBTA_HH *)&cbdata); 1115 } 1116 else 1117 { 1118 1119 switch(p_data->api_sndcmd.t_type) 1120 { 1121 case HID_TRANS_SET_PROTOCOL: 1122 /* fall through */ 1123 case HID_TRANS_GET_REPORT: 1124 /* fall through */ 1125 case HID_TRANS_SET_REPORT: 1126 /* fall through */ 1127 case HID_TRANS_GET_PROTOCOL: 1128 /* fall through */ 1129 case HID_TRANS_GET_IDLE: 1130 /* fall through */ 1131 case HID_TRANS_SET_IDLE:/* set w4_handsk event name for callback function use */ 1132 p_cb->w4_evt = event; 1133 break; 1134 case HID_TRANS_DATA: /* output report */ 1135 /* fall through */ 1136 case HID_TRANS_CONTROL: 1137 /* no handshake event will be generated */ 1138 /* if VC_UNPLUG is issued, set flag */ 1139 if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG) 1140 p_cb->vp = TRUE; 1141 1142 break; 1143 /* currently not expected */ 1144 case HID_TRANS_DATAC: 1145 default: 1146 APPL_TRACE_DEBUG("bta_hh_write_dev_act:: cmd type = %d", 1147 p_data->api_sndcmd.t_type); 1148 break; 1149 } 1150 1151 /* if not control type transaction, notify PM for energy control */ 1152 if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL) 1153 { 1154 /* inform PM for mode change */ 1155 bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr); 1156 bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr); 1157 } 1158 else if (p_data->api_sndcmd.param == BTA_HH_CTRL_SUSPEND) 1159 { 1160 bta_sys_sco_close(BTA_ID_HH, p_cb->app_id, p_cb->addr); 1161 } 1162 else if (p_data->api_sndcmd.param == BTA_HH_CTRL_EXIT_SUSPEND) 1163 { 1164 bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr); 1165 } 1166 } 1167 1168 } 1169 return; 1170 } 1171 1172 /***************************************************************************** 1173 ** Static Function 1174 *****************************************************************************/ 1175 /******************************************************************************* 1176 ** 1177 ** Function bta_hh_cback 1178 ** 1179 ** Description BTA HH callback function. 1180 ** 1181 ** 1182 ** Returns void 1183 ** 1184 *******************************************************************************/ 1185 static void bta_hh_cback (UINT8 dev_handle, BD_ADDR addr, UINT8 event, 1186 UINT32 data, BT_HDR *pdata) 1187 { 1188 tBTA_HH_CBACK_DATA *p_buf = NULL; 1189 UINT16 sm_event = BTA_HH_INVALID_EVT; 1190 UINT8 xx = 0; 1191 1192 #if BTA_HH_DEBUG 1193 APPL_TRACE_DEBUG("bta_hh_cback::HID_event [%s]", bta_hh_hid_event_name(event)); 1194 #endif 1195 1196 switch (event) 1197 { 1198 case HID_HDEV_EVT_OPEN: 1199 sm_event = BTA_HH_INT_OPEN_EVT; 1200 break; 1201 case HID_HDEV_EVT_CLOSE: 1202 sm_event = BTA_HH_INT_CLOSE_EVT; 1203 break; 1204 case HID_HDEV_EVT_INTR_DATA: 1205 sm_event = BTA_HH_INT_DATA_EVT; 1206 break; 1207 case HID_HDEV_EVT_HANDSHAKE: 1208 sm_event = BTA_HH_INT_HANDSK_EVT; 1209 break; 1210 case HID_HDEV_EVT_CTRL_DATA: 1211 sm_event = BTA_HH_INT_CTRL_DATA; 1212 break; 1213 case HID_HDEV_EVT_RETRYING: 1214 break; 1215 case HID_HDEV_EVT_INTR_DATC: 1216 case HID_HDEV_EVT_CTRL_DATC: 1217 /* Unhandled events: Free buffer for DATAC */ 1218 utl_freebuf((void **)&pdata); 1219 break; 1220 case HID_HDEV_EVT_VC_UNPLUG: 1221 for (xx = 0; xx < BTA_HH_MAX_DEVICE; xx++) 1222 { 1223 if (bta_hh_cb.kdev[xx].hid_handle == dev_handle) 1224 { 1225 bta_hh_cb.kdev[xx].vp = TRUE; 1226 break; 1227 } 1228 } 1229 break; 1230 } 1231 1232 if (sm_event != BTA_HH_INVALID_EVT && 1233 (p_buf = (tBTA_HH_CBACK_DATA *)GKI_getbuf(sizeof(tBTA_HH_CBACK_DATA) + 1234 sizeof(BT_HDR))) != NULL) 1235 { 1236 p_buf->hdr.event = sm_event; 1237 p_buf->hdr.layer_specific = (UINT16)dev_handle; 1238 p_buf->data = data; 1239 bdcpy(p_buf->addr, addr); 1240 p_buf->p_data = pdata; 1241 1242 bta_sys_sendmsg(p_buf); 1243 } 1244 1245 } 1246 /******************************************************************************* 1247 ** 1248 ** Function bta_hh_get_trans_status 1249 ** 1250 ** Description translate a handshake result code into BTA HH 1251 ** status code 1252 ** 1253 *******************************************************************************/ 1254 static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result) 1255 { 1256 switch(result) 1257 { 1258 case HID_PAR_HANDSHAKE_RSP_SUCCESS : /* (0) */ 1259 return BTA_HH_OK; 1260 case HID_PAR_HANDSHAKE_RSP_NOT_READY : /* (1) */ 1261 case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_REP_ID: /* (2) */ 1262 case HID_PAR_HANDSHAKE_RSP_ERR_UNSUPPORTED_REQ : /* (3) */ 1263 case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_PARAM : /* (4) */ 1264 return (tBTA_HH_STATUS)result; 1265 case HID_PAR_HANDSHAKE_RSP_ERR_UNKNOWN : /* (14) */ 1266 case HID_PAR_HANDSHAKE_RSP_ERR_FATAL : /* (15) */ 1267 default: 1268 return BTA_HH_HS_ERROR; 1269 break; 1270 } 1271 } 1272 /***************************************************************************** 1273 ** Debug Functions 1274 *****************************************************************************/ 1275 1276 #if (defined BTA_HH_DEBUG && BTA_HH_DEBUG == TRUE) 1277 static char* bta_hh_get_w4_event(UINT16 event) 1278 { 1279 switch (event) 1280 { 1281 case BTA_HH_GET_RPT_EVT: 1282 return "BTA_HH_GET_RPT_EVT"; 1283 case BTA_HH_SET_RPT_EVT: 1284 return "BTA_HH_SET_RPT_EVT"; 1285 case BTA_HH_GET_PROTO_EVT: 1286 return "BTA_HH_GET_PROTO_EVT"; 1287 case BTA_HH_SET_PROTO_EVT: 1288 return "BTA_HH_SET_PROTO_EVT"; 1289 case BTA_HH_GET_IDLE_EVT: 1290 return "BTA_HH_GET_IDLE_EVT"; 1291 case BTA_HH_SET_IDLE_EVT: 1292 return "BTA_HH_SET_IDLE_EVT"; 1293 case BTA_HH_OPEN_EVT: 1294 return "BTA_HH_OPEN_EVT"; 1295 default: 1296 return "Unknown event"; 1297 } 1298 1299 } 1300 1301 static char * bta_hh_hid_event_name(UINT16 event) 1302 { 1303 switch (event) 1304 { 1305 case HID_HDEV_EVT_OPEN: 1306 return "HID_HDEV_EVT_OPEN"; 1307 case HID_HDEV_EVT_CLOSE: 1308 return "HID_HDEV_EVT_CLOSE"; 1309 case HID_HDEV_EVT_RETRYING: 1310 return "HID_HDEV_EVT_RETRYING"; 1311 case HID_HDEV_EVT_INTR_DATA: 1312 return "HID_HDEV_EVT_INTR_DATA"; 1313 case HID_HDEV_EVT_INTR_DATC: 1314 return "HID_HDEV_EVT_INTR_DATC"; 1315 case HID_HDEV_EVT_CTRL_DATA: 1316 return "HID_HDEV_EVT_CTRL_DATA"; 1317 case HID_HDEV_EVT_CTRL_DATC: 1318 return "HID_HDEV_EVT_CTRL_DATC"; 1319 case HID_HDEV_EVT_HANDSHAKE: 1320 return "HID_HDEV_EVT_HANDSHAKE"; 1321 case HID_HDEV_EVT_VC_UNPLUG: 1322 return "HID_HDEV_EVT_VC_UNPLUG"; 1323 default: 1324 return "Unknown HID event"; 1325 } 1326 } 1327 #endif 1328 #endif /* BTA_HH_INCLUDED */ 1329 1330
