btif_hh.c revision 0bcf0c6e6b5b09b9bc7f856f739e57321120f67b
1/****************************************************************************** 2 * 3 * Copyright (C) 2009-2012 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 * Filename: btif_hh.c 22 * 23 * Description: HID Host Profile Bluetooth Interface 24 * 25 * 26 ***********************************************************************************/ 27#include <hardware/bluetooth.h> 28#include <hardware/bt_hh.h> 29#include <stdio.h> 30#include <stdlib.h> 31#include <errno.h> 32#include <string.h> 33 34#define LOG_TAG "bt_btif_hh" 35 36#include "bta_api.h" 37#include "bta_hh_api.h" 38#include "btif_storage.h" 39 40#include "btif_common.h" 41#include "btif_util.h" 42#include "btif_hh.h" 43#include "gki.h" 44#include "l2c_api.h" 45#include "osi/include/log.h" 46 47#define BTIF_HH_APP_ID_MI 0x01 48#define BTIF_HH_APP_ID_KB 0x02 49 50#define COD_HID_KEYBOARD 0x0540 51#define COD_HID_POINTING 0x0580 52#define COD_HID_COMBO 0x05C0 53#define COD_HID_MAJOR 0x0500 54 55#define KEYSTATE_FILEPATH "/data/misc/bluedroid/bt_hh_ks" //keep this in sync with HID host jni 56 57#define HID_REPORT_CAPSLOCK 0x39 58#define HID_REPORT_NUMLOCK 0x53 59#define HID_REPORT_SCROLLLOCK 0x47 60 61//For Apple Magic Mouse 62#define MAGICMOUSE_VENDOR_ID 0x05ac 63#define MAGICMOUSE_PRODUCT_ID 0x030d 64 65#define LOGITECH_KB_MX5500_VENDOR_ID 0x046D 66#define LOGITECH_KB_MX5500_PRODUCT_ID 0xB30B 67 68extern const int BT_UID; 69extern const int BT_GID; 70static int btif_hh_keylockstates=0; //The current key state of each key 71 72#define BTIF_HH_ID_1 0 73#define BTIF_HH_DEV_DISCONNECTED 3 74 75#define BTIF_TIMEOUT_VUP_SECS 3 76 77 78#ifndef BTUI_HH_SECURITY 79#define BTUI_HH_SECURITY (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT) 80#endif 81 82#ifndef BTUI_HH_MOUSE_SECURITY 83#define BTUI_HH_MOUSE_SECURITY (BTA_SEC_NONE) 84#endif 85 86/* HH request events */ 87typedef enum 88{ 89 BTIF_HH_CONNECT_REQ_EVT = 0, 90 BTIF_HH_DISCONNECT_REQ_EVT, 91 BTIF_HH_VUP_REQ_EVT 92} btif_hh_req_evt_t; 93 94 95/************************************************************************************ 96** Constants & Macros 97************************************************************************************/ 98#define BTIF_HH_SERVICES (BTA_HID_SERVICE_MASK) 99 100 101 102/************************************************************************************ 103** Local type definitions 104************************************************************************************/ 105 106typedef struct hid_kb_list 107{ 108 UINT16 product_id; 109 UINT16 version_id; 110 char* kb_name; 111} tHID_KB_LIST; 112 113/************************************************************************************ 114** Static variables 115************************************************************************************/ 116btif_hh_cb_t btif_hh_cb; 117 118static bthh_callbacks_t *bt_hh_callbacks = NULL; 119 120/* List of HID keyboards for which the NUMLOCK state needs to be 121 * turned ON by default. Add devices to this list to apply the 122 * NUMLOCK state toggle on fpr first connect.*/ 123static tHID_KB_LIST hid_kb_numlock_on_list[] = 124{ 125 {LOGITECH_KB_MX5500_PRODUCT_ID, 126 LOGITECH_KB_MX5500_VENDOR_ID, 127 "Logitech MX5500 Keyboard"} 128}; 129 130 131#define CHECK_BTHH_INIT() if (bt_hh_callbacks == NULL)\ 132 {\ 133 BTIF_TRACE_WARNING("BTHH: %s: BTHH not initialized", __FUNCTION__);\ 134 return BT_STATUS_NOT_READY;\ 135 }\ 136 else\ 137 {\ 138 BTIF_TRACE_EVENT("BTHH: %s", __FUNCTION__);\ 139 } 140 141 142 143/************************************************************************************ 144** Static functions 145************************************************************************************/ 146 147/************************************************************************************ 148** Externs 149************************************************************************************/ 150extern void bta_hh_co_destroy(int fd); 151extern void bta_hh_co_write(int fd, UINT8* rpt, UINT16 len); 152extern bt_status_t btif_dm_remove_bond(const bt_bdaddr_t *bd_addr); 153extern void bta_hh_co_send_hid_info(btif_hh_device_t *p_dev, char *dev_name, UINT16 vendor_id, 154 UINT16 product_id, UINT16 version, UINT8 ctry_code, 155 int dscp_len, UINT8 *p_dscp); 156extern BOOLEAN check_cod(const bt_bdaddr_t *remote_bdaddr, uint32_t cod); 157extern void btif_dm_cb_remove_bond(bt_bdaddr_t *bd_addr); 158extern BOOLEAN check_cod_hid(const bt_bdaddr_t *remote_bdaddr, uint32_t cod); 159extern int scru_ascii_2_hex(char *p_ascii, int len, UINT8 *p_hex); 160extern void btif_dm_hh_open_failed(bt_bdaddr_t *bdaddr); 161 162/***************************************************************************** 163** Local Function prototypes 164*****************************************************************************/ 165static void set_keylockstate(int keymask, BOOLEAN isSet); 166static void toggle_os_keylockstates(int fd, int changedkeystates); 167static void sync_lockstate_on_connect(btif_hh_device_t *p_dev); 168//static void hh_update_keyboard_lockstates(btif_hh_device_t *p_dev); 169void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle); 170 171 172/************************************************************************************ 173** Functions 174************************************************************************************/ 175 176static int get_keylockstates() 177{ 178 return btif_hh_keylockstates; 179} 180 181static void set_keylockstate(int keymask, BOOLEAN isSet) 182{ 183 if(isSet) 184 btif_hh_keylockstates |= keymask; 185} 186 187/******************************************************************************* 188** 189** Function toggle_os_keylockstates 190** 191** Description Function to toggle the keyboard lock states managed by the linux. 192** This function is used in by two call paths 193** (1) if the lock state change occurred from an onscreen keyboard, 194** this function is called to update the lock state maintained 195 for the HID keyboard(s) 196** (2) if a HID keyboard is disconnected and reconnected, 197** this function is called to update the lock state maintained 198 for the HID keyboard(s) 199** Returns void 200*******************************************************************************/ 201 202static void toggle_os_keylockstates(int fd, int changedlockstates) 203{ 204 BTIF_TRACE_EVENT("%s: fd = %d, changedlockstates = 0x%x", 205 __FUNCTION__, fd, changedlockstates); 206 UINT8 hidreport[9]; 207 int reportIndex; 208 memset(hidreport,0,9); 209 hidreport[0]=1; 210 reportIndex=4; 211 212 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_CAPSLOCK) { 213 BTIF_TRACE_DEBUG("%s Setting CAPSLOCK", __FUNCTION__); 214 hidreport[reportIndex++] = (UINT8)HID_REPORT_CAPSLOCK; 215 } 216 217 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_NUMLOCK) { 218 BTIF_TRACE_DEBUG("%s Setting NUMLOCK", __FUNCTION__); 219 hidreport[reportIndex++] = (UINT8)HID_REPORT_NUMLOCK; 220 } 221 222 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_SCROLLLOCK) { 223 BTIF_TRACE_DEBUG("%s Setting SCROLLLOCK", __FUNCTION__); 224 hidreport[reportIndex++] = (UINT8) HID_REPORT_SCROLLLOCK; 225 } 226 227 BTIF_TRACE_DEBUG("Writing hidreport #1 to os: "\ 228 "%s: %x %x %x", __FUNCTION__, 229 hidreport[0], hidreport[1], hidreport[2]); 230 BTIF_TRACE_DEBUG("%s: %x %x %x", __FUNCTION__, 231 hidreport[3], hidreport[4], hidreport[5]); 232 BTIF_TRACE_DEBUG("%s: %x %x %x", __FUNCTION__, 233 hidreport[6], hidreport[7], hidreport[8]); 234 bta_hh_co_write(fd , hidreport, sizeof(hidreport)); 235 usleep(200000); 236 memset(hidreport,0,9); 237 hidreport[0]=1; 238 BTIF_TRACE_DEBUG("Writing hidreport #2 to os: "\ 239 "%s: %x %x %x", __FUNCTION__, 240 hidreport[0], hidreport[1], hidreport[2]); 241 BTIF_TRACE_DEBUG("%s: %x %x %x", __FUNCTION__, 242 hidreport[3], hidreport[4], hidreport[5]); 243 BTIF_TRACE_DEBUG("%s: %x %x %x ", __FUNCTION__, 244 hidreport[6], hidreport[7], hidreport[8]); 245 bta_hh_co_write(fd , hidreport, sizeof(hidreport)); 246} 247 248/******************************************************************************* 249** 250** Function create_pbuf 251** 252** Description Helper function to create p_buf for send_data or set_report 253** 254*******************************************************************************/ 255static BT_HDR *create_pbuf(UINT16 len, UINT8 *data) 256{ 257 BT_HDR* p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 258 259 if (p_buf) { 260 UINT8* pbuf_data; 261 262 p_buf->len = len; 263 p_buf->offset = BTA_HH_MIN_OFFSET; 264 265 pbuf_data = (UINT8*) (p_buf + 1) + p_buf->offset; 266 memcpy(pbuf_data, data, len); 267 } 268 return p_buf; 269} 270 271/******************************************************************************* 272** 273** Function update_keyboard_lockstates 274** 275** Description Sends a report to the keyboard to set the lock states of keys 276** 277*******************************************************************************/ 278static void update_keyboard_lockstates(btif_hh_device_t *p_dev) 279{ 280 UINT8 len = 2; /* reportid + 1 byte report*/ 281 BD_ADDR* bda; 282 BT_HDR* p_buf; 283 UINT8 data[] = {0x01, /* report id */ 284 btif_hh_keylockstates}; /* keystate */ 285 286 /* Set report for other keyboards */ 287 BTIF_TRACE_EVENT("%s: setting report on dev_handle %d to 0x%x", 288 __FUNCTION__, p_dev->dev_handle, btif_hh_keylockstates); 289 290 /* Get SetReport buffer */ 291 p_buf = create_pbuf(len, data); 292 if (p_buf != NULL) { 293 p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 294 bda = (BD_ADDR*) (&p_dev->bd_addr); 295 BTA_HhSendData(p_dev->dev_handle, *bda, p_buf); 296 } 297} 298 299/******************************************************************************* 300** 301** Function sync_lockstate_on_connect 302** 303** Description Function to update the keyboard lock states managed by the OS 304** when a HID keyboard is connected or disconnected and reconnected 305** Returns void 306*******************************************************************************/ 307static void sync_lockstate_on_connect(btif_hh_device_t *p_dev) 308{ 309 int keylockstates; 310 311 BTIF_TRACE_EVENT("%s: Syncing keyboard lock states after "\ 312 "reconnect...",__FUNCTION__); 313 /*If the device is connected, update keyboard state */ 314 update_keyboard_lockstates(p_dev); 315 316 /*Check if the lockstate of caps,scroll,num is set. 317 If so, send a report to the kernel 318 so the lockstate is in sync */ 319 keylockstates = get_keylockstates(); 320 if (keylockstates) 321 { 322 BTIF_TRACE_DEBUG("%s: Sending hid report to kernel "\ 323 "indicating lock key state 0x%x",__FUNCTION__, 324 keylockstates); 325 usleep(200000); 326 toggle_os_keylockstates(p_dev->fd, keylockstates); 327 } 328 else 329 { 330 BTIF_TRACE_DEBUG("%s: NOT sending hid report to kernel "\ 331 "indicating lock key state 0x%x",__FUNCTION__, 332 keylockstates); 333 } 334} 335 336/******************************************************************************* 337** 338** Function btif_hh_find_connected_dev_by_handle 339** 340** Description Return the connected device pointer of the specified device handle 341** 342** Returns Device entry pointer in the device table 343*******************************************************************************/ 344btif_hh_device_t *btif_hh_find_connected_dev_by_handle(UINT8 handle) 345{ 346 UINT32 i; 347 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 348 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 349 btif_hh_cb.devices[i].dev_handle == handle) 350 { 351 return &btif_hh_cb.devices[i]; 352 } 353 } 354 return NULL; 355} 356 357/******************************************************************************* 358** 359** Function btif_hh_find_dev_by_bda 360** 361** Description Return the device pointer of the specified bt_bdaddr_t. 362** 363** Returns Device entry pointer in the device table 364*******************************************************************************/ 365static btif_hh_device_t *btif_hh_find_dev_by_bda(bt_bdaddr_t *bd_addr) 366{ 367 UINT32 i; 368 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 369 if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN && 370 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 371 { 372 return &btif_hh_cb.devices[i]; 373 } 374 } 375 return NULL; 376} 377 378/******************************************************************************* 379** 380** Function btif_hh_find_connected_dev_by_bda 381** 382** Description Return the connected device pointer of the specified bt_bdaddr_t. 383** 384** Returns Device entry pointer in the device table 385*******************************************************************************/ 386static btif_hh_device_t *btif_hh_find_connected_dev_by_bda(bt_bdaddr_t *bd_addr) 387{ 388 UINT32 i; 389 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 390 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 391 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 392 { 393 return &btif_hh_cb.devices[i]; 394 } 395 } 396 return NULL; 397} 398 399/******************************************************************************* 400** 401** Function btif_hh_stop_vup_timer 402** 403** Description stop vitual unplug timer 404** 405** Returns void 406*******************************************************************************/ 407void btif_hh_stop_vup_timer(bt_bdaddr_t *bd_addr) 408{ 409 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 410 if(p_dev != NULL) 411 { 412 if (p_dev->vup_timer_active) 413 { 414 BTIF_TRACE_DEBUG("stop VUP timer "); 415 btu_stop_timer(&p_dev->vup_timer); 416 } 417 p_dev->vup_timer_active = FALSE; 418 } 419} 420/******************************************************************************* 421** 422** Function btif_hh_start_vup_timer 423** 424** Description start virtual unplug timer 425** 426** Returns void 427*******************************************************************************/ 428void btif_hh_start_vup_timer(bt_bdaddr_t *bd_addr) 429{ 430 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 431 432 if (p_dev->vup_timer_active == FALSE) 433 { 434 BTIF_TRACE_DEBUG("Start VUP timer "); 435 memset(&p_dev->vup_timer, 0, sizeof(TIMER_LIST_ENT)); 436 p_dev->vup_timer.param = (UINT32)btif_hh_tmr_hdlr; 437 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 438 BTIF_TIMEOUT_VUP_SECS); 439 } 440 else 441 { 442 BTIF_TRACE_DEBUG("Restart VUP timer "); 443 btu_stop_timer(&p_dev->vup_timer); 444 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 445 BTIF_TIMEOUT_VUP_SECS); 446 } 447 p_dev->vup_timer_active = TRUE; 448 449} 450 451/******************************************************************************* 452** 453** Function btif_hh_add_added_dev 454** 455** Description Add a new device to the added device list. 456** 457** Returns TRUE if add successfully, otherwise FALSE. 458*******************************************************************************/ 459BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask) 460{ 461 int i; 462 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 463 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN) == 0) { 464 BTIF_TRACE_WARNING(" Device %02X:%02X:%02X:%02X:%02X:%02X already added", 465 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 466 return FALSE; 467 } 468 } 469 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 470 if (btif_hh_cb.added_devices[i].bd_addr.address[0] == 0 && 471 btif_hh_cb.added_devices[i].bd_addr.address[1] == 0 && 472 btif_hh_cb.added_devices[i].bd_addr.address[2] == 0 && 473 btif_hh_cb.added_devices[i].bd_addr.address[3] == 0 && 474 btif_hh_cb.added_devices[i].bd_addr.address[4] == 0 && 475 btif_hh_cb.added_devices[i].bd_addr.address[5] == 0) 476 { 477 BTIF_TRACE_WARNING(" Added device %02X:%02X:%02X:%02X:%02X:%02X", 478 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 479 memcpy(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN); 480 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 481 btif_hh_cb.added_devices[i].attr_mask = attr_mask; 482 return TRUE; 483 } 484 } 485 486 BTIF_TRACE_WARNING("%s: Error, out of space to add device",__FUNCTION__); 487 return FALSE; 488} 489 490/******************************************************************************* 491 ** 492 ** Function btif_hh_remove_device 493 ** 494 ** Description Remove an added device from the stack. 495 ** 496 ** Returns void 497 *******************************************************************************/ 498void btif_hh_remove_device(bt_bdaddr_t bd_addr) 499{ 500 int i; 501 btif_hh_device_t *p_dev; 502 btif_hh_added_device_t *p_added_dev; 503 504 LOG_INFO("%s: bda = %02x:%02x:%02x:%02x:%02x:%02x", __FUNCTION__, 505 bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]); 506 507 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 508 p_added_dev = &btif_hh_cb.added_devices[i]; 509 if (memcmp(&(p_added_dev->bd_addr),&bd_addr, 6) == 0) { 510 BTA_HhRemoveDev(p_added_dev->dev_handle); 511 btif_storage_remove_hid_info(&(p_added_dev->bd_addr)); 512 memset(&(p_added_dev->bd_addr), 0, 6); 513 p_added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 514 break; 515 } 516 } 517 518 p_dev = btif_hh_find_dev_by_bda(&bd_addr); 519 if (p_dev == NULL) { 520 BTIF_TRACE_WARNING(" Oops, can't find device [%02x:%02x:%02x:%02x:%02x:%02x]", 521 bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]); 522 return; 523 } 524 525 /* need to notify up-layer device is disconnected to avoid state out of sync with up-layer */ 526 HAL_CBACK(bt_hh_callbacks, connection_state_cb, &(p_dev->bd_addr), BTHH_CONN_STATE_DISCONNECTED); 527 528 p_dev->dev_status = BTHH_CONN_STATE_UNKNOWN; 529 p_dev->dev_handle = BTA_HH_INVALID_HANDLE; 530 if (btif_hh_cb.device_num > 0) { 531 btif_hh_cb.device_num--; 532 } 533 else { 534 BTIF_TRACE_WARNING("%s: device_num = 0", __FUNCTION__); 535 } 536 537 p_dev->hh_keep_polling = 0; 538 p_dev->hh_poll_thread_id = -1; 539 BTIF_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 540 if (p_dev->fd >= 0) { 541 bta_hh_co_destroy(p_dev->fd); 542 p_dev->fd = -1; 543 } 544} 545 546 547BOOLEAN btif_hh_copy_hid_info(tBTA_HH_DEV_DSCP_INFO* dest , tBTA_HH_DEV_DSCP_INFO* src) 548{ 549 dest->descriptor.dl_len = 0; 550 if (src->descriptor.dl_len >0) 551 { 552 dest->descriptor.dsc_list = (UINT8 *) GKI_getbuf(src->descriptor.dl_len); 553 if (dest->descriptor.dsc_list == NULL) 554 { 555 BTIF_TRACE_WARNING("%s: Failed to allocate DSCP for CB", __FUNCTION__); 556 return FALSE; 557 } 558 } 559 memcpy(dest->descriptor.dsc_list, src->descriptor.dsc_list, src->descriptor.dl_len); 560 dest->descriptor.dl_len = src->descriptor.dl_len; 561 dest->vendor_id = src->vendor_id; 562 dest->product_id = src->product_id; 563 dest->version = src->version; 564 dest->ctry_code = src->ctry_code; 565 dest->ssr_max_latency = src->ssr_max_latency; 566 dest->ssr_min_tout = src->ssr_min_tout; 567 return TRUE; 568} 569 570 571/******************************************************************************* 572** 573** Function btif_hh_virtual_unplug 574** 575** Description Virtual unplug initiated from the BTIF thread context 576** Special handling for HID mouse- 577** 578** Returns void 579** 580*******************************************************************************/ 581 582bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr) 583{ 584 BTIF_TRACE_DEBUG("%s", __FUNCTION__); 585 btif_hh_device_t *p_dev; 586 char bd_str[18]; 587 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 588 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 589 bd_addr->address[4], bd_addr->address[5]); 590 p_dev = btif_hh_find_dev_by_bda(bd_addr); 591 if ((p_dev != NULL) && (p_dev->dev_status == BTHH_CONN_STATE_CONNECTED) 592 && (p_dev->attr_mask & HID_VIRTUAL_CABLE)) 593 { 594 BTIF_TRACE_DEBUG("%s Sending BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG", __FUNCTION__); 595 /* start the timer */ 596 btif_hh_start_vup_timer(bd_addr); 597 p_dev->local_vup = TRUE; 598 BTA_HhSendCtrl(p_dev->dev_handle, BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG); 599 return BT_STATUS_SUCCESS; 600 } 601 else 602 { 603 BTIF_TRACE_ERROR("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 604 return BT_STATUS_FAIL; 605 } 606} 607 608/******************************************************************************* 609** 610** Function btif_hh_connect 611** 612** Description connection initiated from the BTIF thread context 613** 614** Returns int status 615** 616*******************************************************************************/ 617 618bt_status_t btif_hh_connect(bt_bdaddr_t *bd_addr) 619{ 620 btif_hh_device_t *dev; 621 btif_hh_added_device_t *added_dev = NULL; 622 char bda_str[20]; 623 int i; 624 BD_ADDR *bda = (BD_ADDR*)bd_addr; 625 CHECK_BTHH_INIT(); 626 dev = btif_hh_find_dev_by_bda(bd_addr); 627 BTIF_TRACE_DEBUG("Connect _hh"); 628 sprintf(bda_str, "%02X:%02X:%02X:%02X:%02X:%02X", 629 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 630 if (dev == NULL && btif_hh_cb.device_num >= BTIF_HH_MAX_HID) { 631 // No space for more HID device now. 632 BTIF_TRACE_WARNING("%s: Error, exceeded the maximum supported HID device number %d", 633 __FUNCTION__, BTIF_HH_MAX_HID); 634 return BT_STATUS_FAIL; 635 } 636 637 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 638 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) { 639 added_dev = &btif_hh_cb.added_devices[i]; 640 BTIF_TRACE_WARNING("%s: Device %s already added, attr_mask = 0x%x", 641 __FUNCTION__, bda_str, added_dev->attr_mask); 642 } 643 } 644 645 if (added_dev != NULL) { 646 if (added_dev->dev_handle == BTA_HH_INVALID_HANDLE) { 647 // No space for more HID device now. 648 BTIF_TRACE_ERROR("%s: Error, device %s added but addition failed", __FUNCTION__, bda_str); 649 memset(&(added_dev->bd_addr), 0, 6); 650 added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 651 return BT_STATUS_FAIL; 652 } 653 } 654 655 /* Not checking the NORMALLY_Connectible flags from sdp record, and anyways sending this 656 request from host, for subsequent user initiated connection. If the remote is not in 657 pagescan mode, we will do 2 retries to connect before giving up */ 658 tBTA_SEC sec_mask = BTUI_HH_SECURITY; 659 btif_hh_cb.status = BTIF_HH_DEV_CONNECTING; 660 BTA_HhOpen(*bda, BTA_HH_PROTO_RPT_MODE, sec_mask); 661 662 HAL_CBACK(bt_hh_callbacks, connection_state_cb, bd_addr, BTHH_CONN_STATE_CONNECTING); 663 return BT_STATUS_SUCCESS; 664} 665 666/******************************************************************************* 667** 668** Function btif_hh_disconnect 669** 670** Description disconnection initiated from the BTIF thread context 671** 672** Returns void 673** 674*******************************************************************************/ 675 676void btif_hh_disconnect(bt_bdaddr_t *bd_addr) 677{ 678 btif_hh_device_t *p_dev; 679 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 680 if (p_dev != NULL) 681 { 682 BTA_HhClose(p_dev->dev_handle); 683 } 684 else 685 BTIF_TRACE_DEBUG("%s-- Error: device not connected:",__FUNCTION__); 686} 687 688/******************************************************************************* 689** 690** Function btif_btif_hh_setreport 691** 692** Description setreport initiated from the BTIF thread context 693** 694** Returns void 695** 696*******************************************************************************/ 697void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type, UINT16 size, 698 UINT8* report) 699{ 700 BT_HDR* p_buf = create_pbuf(size, report); 701 if (p_buf == NULL) { 702 APPL_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, size = %d", __FUNCTION__, size); 703 return; 704 } 705 BTA_HhSetReport(p_dev->dev_handle, r_type, p_buf); 706} 707 708/***************************************************************************** 709** Section name (Group of functions) 710*****************************************************************************/ 711 712/***************************************************************************** 713** 714** btif hh api functions (no context switch) 715** 716*****************************************************************************/ 717 718 719/******************************************************************************* 720** 721** Function btif_hh_upstreams_evt 722** 723** Description Executes HH UPSTREAMS events in btif context 724** 725** Returns void 726** 727*******************************************************************************/ 728static void btif_hh_upstreams_evt(UINT16 event, char* p_param) 729{ 730 tBTA_HH *p_data = (tBTA_HH *)p_param; 731 btif_hh_device_t *p_dev = NULL; 732 int i; 733 int len, tmplen; 734 735 BTIF_TRACE_DEBUG("%s: event=%s", __FUNCTION__, dump_hh_event(event)); 736 737 switch (event) 738 { 739 case BTA_HH_ENABLE_EVT: 740 BTIF_TRACE_DEBUG("%s: BTA_HH_ENABLE_EVT: status =%d",__FUNCTION__, p_data->status); 741 if (p_data->status == BTA_HH_OK) { 742 btif_hh_cb.status = BTIF_HH_ENABLED; 743 BTIF_TRACE_DEBUG("%s--Loading added devices",__FUNCTION__); 744 /* Add hid descriptors for already bonded hid devices*/ 745 btif_storage_load_bonded_hid_info(); 746 } 747 else { 748 btif_hh_cb.status = BTIF_HH_DISABLED; 749 BTIF_TRACE_WARNING("BTA_HH_ENABLE_EVT: Error, HH enabling failed, status = %d", p_data->status); 750 } 751 break; 752 753 case BTA_HH_DISABLE_EVT: 754 btif_hh_cb.status = BTIF_HH_DISABLED; 755 if (p_data->status == BTA_HH_OK) { 756 int i; 757 //Clear the control block 758 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 759 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 760 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 761 } 762 } 763 else 764 BTIF_TRACE_WARNING("BTA_HH_DISABLE_EVT: Error, HH disabling failed, status = %d", p_data->status); 765 break; 766 767 case BTA_HH_OPEN_EVT: 768 BTIF_TRACE_WARNING("%s: BTA_HH_OPN_EVT: handle=%d, status =%d",__FUNCTION__, p_data->conn.handle, p_data->conn.status); 769 if (p_data->conn.status == BTA_HH_OK) { 770 p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 771 if (p_dev == NULL) { 772 BTIF_TRACE_WARNING("BTA_HH_OPEN_EVT: Error, cannot find device with handle %d", p_data->conn.handle); 773 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 774 // The connect request must come from device side and exceeded the connected 775 // HID device number. 776 BTA_HhClose(p_data->conn.handle); 777 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 778 } 779 else if (p_dev->fd < 0) { 780 BTIF_TRACE_WARNING("BTA_HH_OPEN_EVT: Error, failed to find the uhid driver..."); 781 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 782 //remove the connection and then try again to reconnect from the mouse side to recover 783 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 784 BTA_HhClose(p_data->conn.handle); 785 } 786 else { 787 BTIF_TRACE_WARNING("BTA_HH_OPEN_EVT: Found device...Getting dscp info for handle ... %d",p_data->conn.handle); 788 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 789 btif_hh_cb.status = BTIF_HH_DEV_CONNECTED; 790 // Send set_idle if the peer_device is a keyboard 791 if (check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_KEYBOARD )|| 792 check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_COMBO)) 793 BTA_HhSetIdle(p_data->conn.handle, 0); 794 btif_hh_cb.p_curr_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 795 BTA_HhGetDscpInfo(p_data->conn.handle); 796 p_dev->dev_status = BTHH_CONN_STATE_CONNECTED; 797 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 798 } 799 } 800 else { 801 bt_bdaddr_t *bdaddr = (bt_bdaddr_t*)p_data->conn.bda; 802 btif_dm_hh_open_failed(bdaddr); 803 p_dev = btif_hh_find_dev_by_bda(bdaddr); 804 if (p_dev != NULL) { 805 if(p_dev->vup_timer_active) 806 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 807 if (p_dev->fd >= 0) { 808 bta_hh_co_destroy(p_dev->fd); 809 p_dev->fd = -1; 810 } 811 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 812 } 813 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 814 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 815 } 816 break; 817 818 case BTA_HH_CLOSE_EVT: 819 BTIF_TRACE_DEBUG("BTA_HH_CLOSE_EVT: status = %d, handle = %d", 820 p_data->dev_status.status, p_data->dev_status.handle); 821 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 822 if (p_dev != NULL) { 823 BTIF_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 824 if(p_dev->vup_timer_active) 825 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 826 if (p_dev->fd >= 0) { 827 bta_hh_co_destroy(p_dev->fd); 828 p_dev->fd = -1; 829 } 830 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 831 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 832 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 833 } 834 else { 835 BTIF_TRACE_WARNING("Error: cannot find device with handle %d", p_data->dev_status.handle); 836 } 837 break; 838 839 case BTA_HH_GET_RPT_EVT: { 840 BT_HDR *hdr = p_data->hs_data.rsp_data.p_rpt_data; 841 UINT8 *data = NULL; 842 UINT16 len = 0; 843 844 BTIF_TRACE_DEBUG("BTA_HH_GET_RPT_EVT: status = %d, handle = %d", 845 p_data->hs_data.status, p_data->hs_data.handle); 846 p_dev = btif_hh_find_connected_dev_by_handle(p_data->hs_data.handle); 847 if (p_dev) { 848 /* p_rpt_data is NULL in HANDSHAKE response case */ 849 if (hdr) { 850 data = (UINT8 *)(hdr + 1) + hdr->offset; 851 len = hdr->len; 852 HAL_CBACK(bt_hh_callbacks, get_report_cb, 853 (bt_bdaddr_t*) &(p_dev->bd_addr), 854 (bthh_status_t) p_data->hs_data.status, data, len); 855 } else { 856 HAL_CBACK(bt_hh_callbacks, handshake_cb, 857 (bt_bdaddr_t*) &(p_dev->bd_addr), 858 (bthh_status_t) p_data->hs_data.status); 859 } 860 } else { 861 BTIF_TRACE_WARNING("Error: cannot find device with handle %d", p_data->hs_data.handle); 862 } 863 break; 864 } 865 866 case BTA_HH_SET_RPT_EVT: 867 BTIF_TRACE_DEBUG("BTA_HH_SET_RPT_EVT: status = %d, handle = %d", 868 p_data->dev_status.status, p_data->dev_status.handle); 869 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 870 if (p_dev != NULL) { 871 HAL_CBACK(bt_hh_callbacks, handshake_cb, 872 (bt_bdaddr_t*) &(p_dev->bd_addr), 873 (bthh_status_t) p_data->hs_data.status); 874 } 875 break; 876 877 case BTA_HH_GET_PROTO_EVT: 878 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 879 BTIF_TRACE_WARNING("BTA_HH_GET_PROTO_EVT: status = %d, handle = %d, proto = [%d], %s", 880 p_data->hs_data.status, p_data->hs_data.handle, 881 p_data->hs_data.rsp_data.proto_mode, 882 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE) ? "Report Mode" : 883 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_BOOT_MODE) ? "Boot Mode" : "Unsupported"); 884 if (p_data->hs_data.rsp_data.proto_mode != BTA_HH_PROTO_UNKNOWN) { 885 HAL_CBACK(bt_hh_callbacks, protocol_mode_cb, 886 (bt_bdaddr_t*) &(p_dev->bd_addr), 887 (bthh_status_t)p_data->hs_data.status, 888 (bthh_protocol_mode_t) p_data->hs_data.rsp_data.proto_mode); 889 } else { 890 HAL_CBACK(bt_hh_callbacks, handshake_cb, 891 (bt_bdaddr_t*) &(p_dev->bd_addr), 892 (bthh_status_t)p_data->hs_data.status); 893 } 894 break; 895 896 case BTA_HH_SET_PROTO_EVT: 897 BTIF_TRACE_DEBUG("BTA_HH_SET_PROTO_EVT: status = %d, handle = %d", 898 p_data->dev_status.status, p_data->dev_status.handle); 899 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 900 if (p_dev) { 901 HAL_CBACK(bt_hh_callbacks, handshake_cb, 902 (bt_bdaddr_t*)&(p_dev->bd_addr), 903 (bthh_status_t)p_data->hs_data.status); 904 } 905 break; 906 907 case BTA_HH_GET_IDLE_EVT: 908 BTIF_TRACE_DEBUG("BTA_HH_GET_IDLE_EVT: handle = %d, status = %d, rate = %d", 909 p_data->hs_data.handle, p_data->hs_data.status, 910 p_data->hs_data.rsp_data.idle_rate); 911 break; 912 913 case BTA_HH_SET_IDLE_EVT: 914 BTIF_TRACE_DEBUG("BTA_HH_SET_IDLE_EVT: status = %d, handle = %d", 915 p_data->dev_status.status, p_data->dev_status.handle); 916 break; 917 918 case BTA_HH_GET_DSCP_EVT: 919 len = p_data->dscp_info.descriptor.dl_len; 920 BTIF_TRACE_DEBUG("BTA_HH_GET_DSCP_EVT: len = %d", len); 921 p_dev = btif_hh_cb.p_curr_dev; 922 if (p_dev == NULL) { 923 BTIF_TRACE_ERROR("BTA_HH_GET_DSCP_EVT: No HID device is currently connected"); 924 return; 925 } 926 if (p_dev->fd < 0) { 927 LOG_ERROR("BTA_HH_GET_DSCP_EVT: Error, failed to find the uhid driver..."); 928 return; 929 } 930 { 931 char *cached_name = NULL; 932 bt_bdname_t bdname; 933 bt_property_t prop_name; 934 BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME, 935 sizeof(bt_bdname_t), &bdname); 936 if (btif_storage_get_remote_device_property( 937 &p_dev->bd_addr, &prop_name) == BT_STATUS_SUCCESS) 938 { 939 cached_name = (char *)bdname.name; 940 } 941 else 942 { 943 cached_name = "Bluetooth HID"; 944 } 945 946 BTIF_TRACE_WARNING("%s: name = %s", __FUNCTION__, cached_name); 947 bta_hh_co_send_hid_info(p_dev, cached_name, 948 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 949 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 950 len, p_data->dscp_info.descriptor.dsc_list); 951 if (btif_hh_add_added_dev(p_dev->bd_addr, p_dev->attr_mask)) { 952 BD_ADDR bda; 953 bdcpy(bda, p_dev->bd_addr.address); 954 tBTA_HH_DEV_DSCP_INFO dscp_info; 955 bt_status_t ret; 956 bdcpy(bda, p_dev->bd_addr.address); 957 btif_hh_copy_hid_info(&dscp_info, &p_data->dscp_info); 958 BTIF_TRACE_DEBUG("BTA_HH_GET_DSCP_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 959 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 960 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 961 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 962 BTA_HhAddDev(bda, p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, dscp_info); 963 // write hid info to nvram 964 ret = btif_storage_add_hid_device_info(&(p_dev->bd_addr), p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, 965 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 966 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 967 p_data->dscp_info.ssr_max_latency, p_data->dscp_info.ssr_min_tout, 968 len, p_data->dscp_info.descriptor.dsc_list); 969 970 ASSERTC(ret == BT_STATUS_SUCCESS, "storing hid info failed", ret); 971 BTIF_TRACE_WARNING("BTA_HH_GET_DSCP_EVT: Called add device"); 972 973 //Free buffer created for dscp_info; 974 if (dscp_info.descriptor.dl_len >0 && dscp_info.descriptor.dsc_list != NULL) 975 { 976 GKI_freebuf(dscp_info.descriptor.dsc_list); 977 dscp_info.descriptor.dsc_list = NULL; 978 dscp_info.descriptor.dl_len=0; 979 } 980 } 981 else { 982 //Device already added. 983 BTIF_TRACE_WARNING("%s: Device already added ",__FUNCTION__); 984 } 985 /*Sync HID Keyboard lockstates */ 986 tmplen = sizeof(hid_kb_numlock_on_list) 987 / sizeof(tHID_KB_LIST); 988 for(i = 0; i< tmplen; i++) 989 { 990 if(p_data->dscp_info.vendor_id 991 == hid_kb_numlock_on_list[i].version_id && 992 p_data->dscp_info.product_id 993 == hid_kb_numlock_on_list[i].product_id) 994 { 995 BTIF_TRACE_DEBUG("%s() idx[%d] Enabling "\ 996 "NUMLOCK for device :: %s", __FUNCTION__, 997 i, hid_kb_numlock_on_list[i].kb_name); 998 /* Enable NUMLOCK by default so that numeric 999 keys work from first keyboard connect */ 1000 set_keylockstate(BTIF_HH_KEYSTATE_MASK_NUMLOCK, 1001 TRUE); 1002 sync_lockstate_on_connect(p_dev); 1003 /* End Sync HID Keyboard lockstates */ 1004 break; 1005 } 1006 } 1007 } 1008 break; 1009 1010 case BTA_HH_ADD_DEV_EVT: 1011 BTIF_TRACE_WARNING("BTA_HH_ADD_DEV_EVT: status = %d, handle = %d",p_data->dev_info.status, p_data->dev_info.handle); 1012 int i; 1013 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 1014 if (memcmp(btif_hh_cb.added_devices[i].bd_addr.address, p_data->dev_info.bda, 6) == 0) { 1015 if (p_data->dev_info.status == BTA_HH_OK) { 1016 btif_hh_cb.added_devices[i].dev_handle = p_data->dev_info.handle; 1017 } 1018 else { 1019 memset(btif_hh_cb.added_devices[i].bd_addr.address, 0, 6); 1020 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 1021 } 1022 break; 1023 } 1024 } 1025 break; 1026 case BTA_HH_RMV_DEV_EVT: 1027 BTIF_TRACE_DEBUG("BTA_HH_RMV_DEV_EVT: status = %d, handle = %d", 1028 p_data->dev_info.status, p_data->dev_info.handle); 1029 BTIF_TRACE_DEBUG("BTA_HH_RMV_DEV_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1030 p_data->dev_info.bda[0], p_data->dev_info.bda[1], p_data->dev_info.bda[2], 1031 p_data->dev_info.bda[3], p_data->dev_info.bda[4], p_data->dev_info.bda[5]); 1032 break; 1033 1034 1035 case BTA_HH_VC_UNPLUG_EVT: 1036 BTIF_TRACE_DEBUG("BTA_HH_VC_UNPLUG_EVT: status = %d, handle = %d", 1037 p_data->dev_status.status, p_data->dev_status.handle); 1038 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 1039 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 1040 if (p_dev != NULL) { 1041 BTIF_TRACE_DEBUG("BTA_HH_VC_UNPLUG_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1042 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 1043 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 1044 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 1045 /* Stop the VUP timer */ 1046 if(p_dev->vup_timer_active) 1047 { 1048 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 1049 } 1050 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 1051 BTIF_TRACE_DEBUG("%s---Sending connection state change", __FUNCTION__); 1052 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 1053 BTIF_TRACE_DEBUG("%s---Removing HID bond", __FUNCTION__); 1054 /* If it is locally initiated VUP or remote device has its major COD as 1055 Peripheral removed the bond.*/ 1056 if (p_dev->local_vup || check_cod_hid(&(p_dev->bd_addr), COD_HID_MAJOR)) 1057 { 1058 p_dev->local_vup = FALSE; 1059 BTA_DmRemoveDevice((UINT8 *)p_dev->bd_addr.address); 1060 } 1061 else 1062 btif_hh_remove_device(p_dev->bd_addr); 1063 HAL_CBACK(bt_hh_callbacks, virtual_unplug_cb,&(p_dev->bd_addr), 1064 p_data->dev_status.status); 1065 } 1066 break; 1067 1068 case BTA_HH_API_ERR_EVT : 1069 LOG_INFO("BTA_HH API_ERR"); 1070 break; 1071 1072 1073 1074 default: 1075 BTIF_TRACE_WARNING("%s: Unhandled event: %d", __FUNCTION__, event); 1076 break; 1077 } 1078} 1079 1080/******************************************************************************* 1081** 1082** Function bte_hh_evt 1083** 1084** Description Switches context from BTE to BTIF for all HH events 1085** 1086** Returns void 1087** 1088*******************************************************************************/ 1089 1090static void bte_hh_evt(tBTA_HH_EVT event, tBTA_HH *p_data) 1091{ 1092 bt_status_t status; 1093 int param_len = 0; 1094 1095 if (BTA_HH_ENABLE_EVT == event) 1096 param_len = sizeof(tBTA_HH_STATUS); 1097 else if (BTA_HH_OPEN_EVT == event) 1098 param_len = sizeof(tBTA_HH_CONN); 1099 else if (BTA_HH_DISABLE_EVT == event) 1100 param_len = sizeof(tBTA_HH_STATUS); 1101 else if (BTA_HH_CLOSE_EVT == event) 1102 param_len = sizeof(tBTA_HH_CBDATA); 1103 else if (BTA_HH_GET_DSCP_EVT == event) 1104 param_len = sizeof(tBTA_HH_DEV_DSCP_INFO); 1105 else if ((BTA_HH_GET_PROTO_EVT == event) || (BTA_HH_GET_RPT_EVT == event)|| (BTA_HH_GET_IDLE_EVT == event)) 1106 param_len = sizeof(tBTA_HH_HSDATA); 1107 else if ((BTA_HH_SET_PROTO_EVT == event) || (BTA_HH_SET_RPT_EVT == event) || (BTA_HH_VC_UNPLUG_EVT == event) || (BTA_HH_SET_IDLE_EVT == event)) 1108 param_len = sizeof(tBTA_HH_CBDATA); 1109 else if ((BTA_HH_ADD_DEV_EVT == event) || (BTA_HH_RMV_DEV_EVT == event) ) 1110 param_len = sizeof(tBTA_HH_DEV_INFO); 1111 else if (BTA_HH_API_ERR_EVT == event) 1112 param_len = 0; 1113 /* switch context to btif task context (copy full union size for convenience) */ 1114 status = btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)p_data, param_len, NULL); 1115 1116 /* catch any failed context transfers */ 1117 ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); 1118} 1119 1120/******************************************************************************* 1121** 1122** Function btif_hh_handle_evt 1123** 1124** Description Switches context for immediate callback 1125** 1126** Returns void 1127** 1128*******************************************************************************/ 1129 1130static void btif_hh_handle_evt(UINT16 event, char *p_param) 1131{ 1132 bt_bdaddr_t *bd_addr = (bt_bdaddr_t*)p_param; 1133 BTIF_TRACE_EVENT("%s: event=%d", __FUNCTION__, event); 1134 int ret; 1135 switch(event) 1136 { 1137 case BTIF_HH_CONNECT_REQ_EVT: 1138 { 1139 ret = btif_hh_connect(bd_addr); 1140 if(ret == BT_STATUS_SUCCESS) 1141 { 1142 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_CONNECTING); 1143 } 1144 else 1145 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTED); 1146 } 1147 break; 1148 1149 case BTIF_HH_DISCONNECT_REQ_EVT: 1150 { 1151 BTIF_TRACE_EVENT("%s: event=%d", __FUNCTION__, event); 1152 btif_hh_disconnect(bd_addr); 1153 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTING); 1154 } 1155 break; 1156 1157 case BTIF_HH_VUP_REQ_EVT: 1158 { 1159 BTIF_TRACE_EVENT("%s: event=%d", __FUNCTION__, event); 1160 ret = btif_hh_virtual_unplug(bd_addr); 1161 } 1162 break; 1163 1164 default: 1165 { 1166 BTIF_TRACE_WARNING("%s : Unknown event 0x%x", __FUNCTION__, event); 1167 } 1168 break; 1169 } 1170} 1171 1172/******************************************************************************* 1173** 1174** Function btif_hh_tmr_hdlr 1175** 1176** Description Process timer timeout 1177** 1178** Returns void 1179*******************************************************************************/ 1180void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle) 1181{ 1182 btif_hh_device_t *p_dev; 1183 UINT8 i; 1184 tBTA_HH_EVT event; 1185 tBTA_HH p_data; 1186 int param_len = 0; 1187 memset(&p_data, 0, sizeof(tBTA_HH)); 1188 1189 BTIF_TRACE_DEBUG("%s timer_in_use=%d", __FUNCTION__, tle->in_use ); 1190 1191 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1192 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED) 1193 { 1194 1195 p_dev = &btif_hh_cb.devices[i]; 1196 1197 if (p_dev->vup_timer_active) 1198 { 1199 p_dev->vup_timer_active = FALSE; 1200 event = BTA_HH_VC_UNPLUG_EVT; 1201 p_data.dev_status.status = BTHH_ERR; 1202 p_data.dev_status.handle = p_dev->dev_handle; 1203 param_len = sizeof(tBTA_HH_CBDATA); 1204 1205 /* switch context to btif task context */ 1206 btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)&p_data, 1207 param_len, NULL); 1208 } 1209 } 1210 } 1211} 1212 1213/******************************************************************************* 1214** 1215** Function btif_hh_init 1216** 1217** Description initializes the hh interface 1218** 1219** Returns bt_status_t 1220** 1221*******************************************************************************/ 1222static bt_status_t init( bthh_callbacks_t* callbacks ) 1223{ 1224 UINT32 i; 1225 BTIF_TRACE_EVENT("%s", __FUNCTION__); 1226 1227 bt_hh_callbacks = callbacks; 1228 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 1229 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 1230 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 1231 } 1232 /* Invoke the enable service API to the core to set the appropriate service_id */ 1233 btif_enable_service(BTA_HID_SERVICE_ID); 1234 return BT_STATUS_SUCCESS; 1235} 1236 1237/******************************************************************************* 1238** 1239** Function connect 1240** 1241** Description connect to hid device 1242** 1243** Returns bt_status_t 1244** 1245*******************************************************************************/ 1246static bt_status_t connect( bt_bdaddr_t *bd_addr) 1247{ 1248 if(btif_hh_cb.status != BTIF_HH_DEV_CONNECTING) 1249 { 1250 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_CONNECT_REQ_EVT, 1251 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1252 return BT_STATUS_SUCCESS; 1253 } 1254 else 1255 return BT_STATUS_BUSY; 1256} 1257 1258/******************************************************************************* 1259** 1260** Function disconnect 1261** 1262** Description disconnect from hid device 1263** 1264** Returns bt_status_t 1265** 1266*******************************************************************************/ 1267static bt_status_t disconnect( bt_bdaddr_t *bd_addr ) 1268{ 1269 CHECK_BTHH_INIT(); 1270 btif_hh_device_t *p_dev; 1271 1272 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1273 { 1274 BTIF_TRACE_WARNING("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1275 return BT_STATUS_FAIL; 1276 } 1277 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1278 if (p_dev != NULL) 1279 { 1280 return btif_transfer_context(btif_hh_handle_evt, BTIF_HH_DISCONNECT_REQ_EVT, 1281 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1282 } 1283 else 1284 { 1285 BTIF_TRACE_WARNING("%s: Error, device not opened.", __FUNCTION__); 1286 return BT_STATUS_FAIL; 1287 } 1288} 1289 1290/******************************************************************************* 1291** 1292** Function virtual_unplug 1293** 1294** Description Virtual UnPlug (VUP) the specified HID device. 1295** 1296** Returns bt_status_t 1297** 1298*******************************************************************************/ 1299static bt_status_t virtual_unplug (bt_bdaddr_t *bd_addr) 1300{ 1301 CHECK_BTHH_INIT(); 1302 btif_hh_device_t *p_dev; 1303 char bd_str[18]; 1304 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 1305 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 1306 bd_addr->address[4], bd_addr->address[5]); 1307 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1308 { 1309 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1310 return BT_STATUS_FAIL; 1311 } 1312 p_dev = btif_hh_find_dev_by_bda(bd_addr); 1313 if (!p_dev) 1314 { 1315 BTIF_TRACE_ERROR("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 1316 return BT_STATUS_FAIL; 1317 } 1318 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_VUP_REQ_EVT, 1319 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1320 return BT_STATUS_SUCCESS; 1321} 1322 1323 1324/******************************************************************************* 1325** 1326** Function set_info 1327** 1328** Description Set the HID device descriptor for the specified HID device. 1329** 1330** Returns bt_status_t 1331** 1332*******************************************************************************/ 1333static bt_status_t set_info (bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info ) 1334{ 1335 CHECK_BTHH_INIT(); 1336 tBTA_HH_DEV_DSCP_INFO dscp_info; 1337 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1338 1339 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1340 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1341 BTIF_TRACE_DEBUG("%s: sub_class = 0x%02x, app_id = %d, vendor_id = 0x%04x, " 1342 "product_id = 0x%04x, version= 0x%04x", 1343 __FUNCTION__, hid_info.sub_class, 1344 hid_info.app_id, hid_info.vendor_id, hid_info.product_id, 1345 hid_info.version); 1346 1347 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1348 { 1349 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1350 return BT_STATUS_FAIL; 1351 } 1352 1353 dscp_info.vendor_id = hid_info.vendor_id; 1354 dscp_info.product_id = hid_info.product_id; 1355 dscp_info.version = hid_info.version; 1356 dscp_info.ctry_code = hid_info.ctry_code; 1357 1358 dscp_info.descriptor.dl_len = hid_info.dl_len; 1359 dscp_info.descriptor.dsc_list = (UINT8 *) GKI_getbuf(dscp_info.descriptor.dl_len); 1360 if (dscp_info.descriptor.dsc_list == NULL) 1361 { 1362 LOG_ERROR("%s: Failed to allocate DSCP for CB", __FUNCTION__); 1363 return BT_STATUS_FAIL; 1364 } 1365 memcpy(dscp_info.descriptor.dsc_list, &(hid_info.dsc_list), hid_info.dl_len); 1366 1367 if (btif_hh_add_added_dev(*bd_addr, hid_info.attr_mask)) 1368 { 1369 BTA_HhAddDev(*bda, hid_info.attr_mask, hid_info.sub_class, 1370 hid_info.app_id, dscp_info); 1371 } 1372 1373 GKI_freebuf(dscp_info.descriptor.dsc_list); 1374 1375 return BT_STATUS_SUCCESS; 1376} 1377 1378/******************************************************************************* 1379** 1380** Function get_protocol 1381** 1382** Description Get the HID proto mode. 1383** 1384** Returns bt_status_t 1385** 1386*******************************************************************************/ 1387static bt_status_t get_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1388{ 1389 CHECK_BTHH_INIT(); 1390 btif_hh_device_t *p_dev; 1391 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1392 UNUSED(protocolMode); 1393 1394 BTIF_TRACE_DEBUG(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1395 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1396 1397 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1398 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1399 return BT_STATUS_FAIL; 1400 } 1401 1402 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1403 if (p_dev != NULL) { 1404 1405 BTA_HhGetProtoMode(p_dev->dev_handle); 1406 } 1407 else { 1408 return BT_STATUS_FAIL; 1409 } 1410 return BT_STATUS_SUCCESS; 1411} 1412 1413/******************************************************************************* 1414** 1415** Function set_protocol 1416** 1417** Description Set the HID proto mode. 1418** 1419** Returns bt_status_t 1420** 1421*******************************************************************************/ 1422static bt_status_t set_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1423{ 1424 CHECK_BTHH_INIT(); 1425 btif_hh_device_t *p_dev; 1426 UINT8 proto_mode = protocolMode; 1427 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1428 1429 BTIF_TRACE_DEBUG("%s:proto_mode = %d", __FUNCTION__,protocolMode); 1430 1431 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1432 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1433 1434 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1435 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1436 return BT_STATUS_FAIL; 1437 } 1438 1439 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1440 if (p_dev == NULL) { 1441 BTIF_TRACE_WARNING(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1442 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1443 return BT_STATUS_FAIL; 1444 } 1445 else if (protocolMode != BTA_HH_PROTO_RPT_MODE && protocolMode != BTA_HH_PROTO_BOOT_MODE) { 1446 BTIF_TRACE_WARNING("s: Error, device proto_mode = %d.", __FUNCTION__, proto_mode); 1447 return BT_STATUS_FAIL; 1448 } 1449 else { 1450 BTA_HhSetProtoMode(p_dev->dev_handle, protocolMode); 1451 } 1452 1453 1454 return BT_STATUS_SUCCESS; 1455} 1456 1457/******************************************************************************* 1458** 1459** Function get_report 1460** 1461** Description Send a GET_REPORT to HID device. 1462** 1463** Returns bt_status_t 1464** 1465*******************************************************************************/ 1466static bt_status_t get_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize) 1467{ 1468 CHECK_BTHH_INIT(); 1469 btif_hh_device_t *p_dev; 1470 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1471 1472 BTIF_TRACE_DEBUG("%s:proto_mode = %dr_type = %d, rpt_id = %d, buf_size = %d", __FUNCTION__, 1473 reportType, reportId, bufferSize); 1474 1475 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1476 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1477 1478 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1479 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1480 return BT_STATUS_FAIL; 1481 } 1482 1483 1484 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1485 if (p_dev == NULL) { 1486 BTIF_TRACE_ERROR("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1487 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1488 return BT_STATUS_FAIL; 1489 } 1490 else if ( ((int) reportType) <= BTA_HH_RPTT_RESRV || ((int) reportType) > BTA_HH_RPTT_FEATURE) { 1491 BTIF_TRACE_ERROR(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1492 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1493 return BT_STATUS_FAIL; 1494 } 1495 else { 1496 BTA_HhGetReport(p_dev->dev_handle, reportType, 1497 reportId, bufferSize); 1498 } 1499 1500 return BT_STATUS_SUCCESS; 1501} 1502 1503/******************************************************************************* 1504** 1505** Function set_report 1506** 1507** Description Send a SET_REPORT to HID device. 1508** 1509** Returns bt_status_t 1510** 1511*******************************************************************************/ 1512static bt_status_t set_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report) 1513{ 1514 CHECK_BTHH_INIT(); 1515 btif_hh_device_t *p_dev; 1516 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1517 1518 BTIF_TRACE_DEBUG("%s:reportType = %d", __FUNCTION__,reportType); 1519 1520 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1521 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1522 1523 1524 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1525 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1526 return BT_STATUS_FAIL; 1527 } 1528 1529 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1530 if (p_dev == NULL) { 1531 BTIF_TRACE_ERROR("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1532 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1533 return BT_STATUS_FAIL; 1534 } 1535 else if ( ( (int) reportType) <= BTA_HH_RPTT_RESRV || ( (int) reportType) > BTA_HH_RPTT_FEATURE) { 1536 BTIF_TRACE_ERROR(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1537 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1538 return BT_STATUS_FAIL; 1539 } 1540 else { 1541 int hex_bytes_filled; 1542 UINT8 *hexbuf; 1543 UINT16 len = (strlen(report) + 1) / 2; 1544 1545 hexbuf = GKI_getbuf(len); 1546 if (hexbuf == NULL) { 1547 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1548 __FUNCTION__, len); 1549 return BT_STATUS_FAIL; 1550 } 1551 1552 /* Build a SetReport data buffer */ 1553 memset(hexbuf, 0, len); 1554 //TODO 1555 hex_bytes_filled = ascii_2_hex(report, len, hexbuf); 1556 LOG_INFO("Hex bytes filled, hex value: %d", hex_bytes_filled); 1557 if (hex_bytes_filled) { 1558 BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf); 1559 if (p_buf == NULL) { 1560 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1561 __FUNCTION__, hex_bytes_filled); 1562 GKI_freebuf(hexbuf); 1563 return BT_STATUS_FAIL; 1564 } 1565 BTA_HhSetReport(p_dev->dev_handle, reportType, p_buf); 1566 GKI_freebuf(hexbuf); 1567 return BT_STATUS_SUCCESS; 1568 } 1569 GKI_freebuf(hexbuf); 1570 return BT_STATUS_FAIL; 1571 } 1572} 1573 1574/******************************************************************************* 1575** 1576** Function send_data 1577** 1578** Description Send a SEND_DATA to HID device. 1579** 1580** Returns bt_status_t 1581** 1582*******************************************************************************/ 1583static bt_status_t send_data (bt_bdaddr_t *bd_addr, char* data) 1584{ 1585 CHECK_BTHH_INIT(); 1586 btif_hh_device_t *p_dev; 1587 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1588 1589 BTIF_TRACE_DEBUG("%s", __FUNCTION__); 1590 1591 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1592 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1593 1594 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1595 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1596 return BT_STATUS_FAIL; 1597 } 1598 1599 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1600 if (p_dev == NULL) { 1601 BTIF_TRACE_ERROR("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1602 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1603 return BT_STATUS_FAIL; 1604 } 1605 1606 else { 1607 int hex_bytes_filled; 1608 UINT8 *hexbuf; 1609 UINT16 len = (strlen(data) + 1) / 2; 1610 1611 hexbuf = GKI_getbuf(len); 1612 if (hexbuf == NULL) { 1613 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1614 __FUNCTION__, len); 1615 return BT_STATUS_FAIL; 1616 } 1617 1618 /* Build a SendData data buffer */ 1619 memset(hexbuf, 0, len); 1620 hex_bytes_filled = ascii_2_hex(data, len, hexbuf); 1621 BTIF_TRACE_ERROR("Hex bytes filled, hex value: %d, %d", hex_bytes_filled, len); 1622 1623 if (hex_bytes_filled) { 1624 BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf); 1625 if (p_buf == NULL) { 1626 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1627 __FUNCTION__, hex_bytes_filled); 1628 GKI_freebuf(hexbuf); 1629 return BT_STATUS_FAIL; 1630 } 1631 p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 1632 BTA_HhSendData(p_dev->dev_handle, *bda, p_buf); 1633 GKI_freebuf(hexbuf); 1634 return BT_STATUS_SUCCESS; 1635 } 1636 GKI_freebuf(hexbuf); 1637 return BT_STATUS_FAIL; 1638 } 1639} 1640 1641 1642/******************************************************************************* 1643** 1644** Function cleanup 1645** 1646** Description Closes the HH interface 1647** 1648** Returns bt_status_t 1649** 1650*******************************************************************************/ 1651static void cleanup( void ) 1652{ 1653 BTIF_TRACE_EVENT("%s", __FUNCTION__); 1654 btif_hh_device_t *p_dev; 1655 int i; 1656 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1657 BTIF_TRACE_WARNING("%s: HH disabling or disabled already, status = %d", __FUNCTION__, btif_hh_cb.status); 1658 return; 1659 } 1660 btif_hh_cb.status = BTIF_HH_DISABLING; 1661 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1662 p_dev = &btif_hh_cb.devices[i]; 1663 if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->fd >= 0) { 1664 BTIF_TRACE_DEBUG("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 1665 if (p_dev->fd >= 0) { 1666 bta_hh_co_destroy(p_dev->fd); 1667 p_dev->fd = -1; 1668 } 1669 p_dev->hh_keep_polling = 0; 1670 p_dev->hh_poll_thread_id = -1; 1671 } 1672 } 1673 1674 if (bt_hh_callbacks) 1675 { 1676 btif_disable_service(BTA_HID_SERVICE_ID); 1677 bt_hh_callbacks = NULL; 1678 } 1679 1680} 1681 1682static const bthh_interface_t bthhInterface = { 1683 sizeof(bthhInterface), 1684 init, 1685 connect, 1686 disconnect, 1687 virtual_unplug, 1688 set_info, 1689 get_protocol, 1690 set_protocol, 1691// get_idle_time, 1692// set_idle_time, 1693 get_report, 1694 set_report, 1695 send_data, 1696 cleanup, 1697}; 1698 1699/******************************************************************************* 1700** 1701** Function btif_hh_execute_service 1702** 1703** Description Initializes/Shuts down the service 1704** 1705** Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise 1706** 1707*******************************************************************************/ 1708bt_status_t btif_hh_execute_service(BOOLEAN b_enable) 1709{ 1710 if (b_enable) 1711 { 1712 /* Enable and register with BTA-HH */ 1713 BTA_HhEnable(BTUI_HH_SECURITY, bte_hh_evt); 1714 } 1715 else { 1716 /* Disable HH */ 1717 BTA_HhDisable(); 1718 } 1719 return BT_STATUS_SUCCESS; 1720} 1721 1722/******************************************************************************* 1723** 1724** Function btif_hh_get_interface 1725** 1726** Description Get the hh callback interface 1727** 1728** Returns bthh_interface_t 1729** 1730*******************************************************************************/ 1731const bthh_interface_t *btif_hh_get_interface() 1732{ 1733 BTIF_TRACE_EVENT("%s", __FUNCTION__); 1734 return &bthhInterface; 1735} 1736