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 "BTIF_HH" 35 36#include "bta_api.h" 37#include "bta_hh_api.h" 38#include "bd.h" 39#include "btif_storage.h" 40 41#include "btif_common.h" 42#include "btif_util.h" 43#include "btif_hh.h" 44#include "gki.h" 45#include "l2c_api.h" 46 47 48#define BTIF_HH_APP_ID_MI 0x01 49#define BTIF_HH_APP_ID_KB 0x02 50 51#define COD_HID_KEYBOARD 0x0540 52#define COD_HID_POINTING 0x0580 53#define COD_HID_COMBO 0x05C0 54#define COD_HID_MAJOR 0x0500 55 56#define KEYSTATE_FILEPATH "/data/misc/bluedroid/bt_hh_ks" //keep this in sync with HID host jni 57 58#define HID_REPORT_CAPSLOCK 0x39 59#define HID_REPORT_NUMLOCK 0x53 60#define HID_REPORT_SCROLLLOCK 0x47 61 62//For Apple Magic Mouse 63#define MAGICMOUSE_VENDOR_ID 0x05ac 64#define MAGICMOUSE_PRODUCT_ID 0x030d 65 66#define LOGITECH_KB_MX5500_VENDOR_ID 0x046D 67#define LOGITECH_KB_MX5500_PRODUCT_ID 0xB30B 68 69extern const int BT_UID; 70extern const int BT_GID; 71static int btif_hh_prev_keyevents=0; //The previous key events 72static int btif_hh_keylockstates=0; //The current key state of each key 73 74#define BTIF_HH_ID_1 0 75#define BTIF_HH_DEV_DISCONNECTED 3 76 77#define BTIF_TIMEOUT_VUP_SECS 3 78 79 80#ifndef BTUI_HH_SECURITY 81#define BTUI_HH_SECURITY (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT) 82#endif 83 84#ifndef BTUI_HH_MOUSE_SECURITY 85#define BTUI_HH_MOUSE_SECURITY (BTA_SEC_NONE) 86#endif 87 88/* HH request events */ 89typedef enum 90{ 91 BTIF_HH_CONNECT_REQ_EVT = 0, 92 BTIF_HH_DISCONNECT_REQ_EVT, 93 BTIF_HH_VUP_REQ_EVT 94} btif_hh_req_evt_t; 95 96 97/************************************************************************************ 98** Constants & Macros 99************************************************************************************/ 100#define BTIF_HH_SERVICES (BTA_HID_SERVICE_MASK) 101 102 103 104/************************************************************************************ 105** Local type definitions 106************************************************************************************/ 107 108typedef struct hid_kb_list 109{ 110 UINT16 product_id; 111 UINT16 version_id; 112 char* kb_name; 113} tHID_KB_LIST; 114 115/************************************************************************************ 116** Static variables 117************************************************************************************/ 118btif_hh_cb_t btif_hh_cb; 119 120static bthh_callbacks_t *bt_hh_callbacks = NULL; 121 122/* List of HID keyboards for which the NUMLOCK state needs to be 123 * turned ON by default. Add devices to this list to apply the 124 * NUMLOCK state toggle on fpr first connect.*/ 125static tHID_KB_LIST hid_kb_numlock_on_list[] = 126{ 127 {LOGITECH_KB_MX5500_PRODUCT_ID, 128 LOGITECH_KB_MX5500_VENDOR_ID, 129 "Logitech MX5500 Keyboard"} 130}; 131 132 133#define CHECK_BTHH_INIT() if (bt_hh_callbacks == NULL)\ 134 {\ 135 BTIF_TRACE_WARNING("BTHH: %s: BTHH not initialized", __FUNCTION__);\ 136 return BT_STATUS_NOT_READY;\ 137 }\ 138 else\ 139 {\ 140 BTIF_TRACE_EVENT("BTHH: %s", __FUNCTION__);\ 141 } 142 143 144 145/************************************************************************************ 146** Static functions 147************************************************************************************/ 148 149/************************************************************************************ 150** Externs 151************************************************************************************/ 152extern void bta_hh_co_destroy(int fd); 153extern void bta_hh_co_write(int fd, UINT8* rpt, UINT16 len); 154extern bt_status_t btif_dm_remove_bond(const bt_bdaddr_t *bd_addr); 155extern void bta_hh_co_send_hid_info(btif_hh_device_t *p_dev, char *dev_name, UINT16 vendor_id, 156 UINT16 product_id, UINT16 version, UINT8 ctry_code, 157 int dscp_len, UINT8 *p_dscp); 158extern BOOLEAN check_cod(const bt_bdaddr_t *remote_bdaddr, uint32_t cod); 159extern void btif_dm_cb_remove_bond(bt_bdaddr_t *bd_addr); 160extern BOOLEAN check_cod_hid(const bt_bdaddr_t *remote_bdaddr, uint32_t cod); 161extern int scru_ascii_2_hex(char *p_ascii, int len, UINT8 *p_hex); 162extern void btif_dm_hh_open_failed(bt_bdaddr_t *bdaddr); 163 164/***************************************************************************** 165** Local Function prototypes 166*****************************************************************************/ 167static void set_keylockstate(int keymask, BOOLEAN isSet); 168static void toggle_os_keylockstates(int fd, int changedkeystates); 169static void sync_lockstate_on_connect(btif_hh_device_t *p_dev); 170//static void hh_update_keyboard_lockstates(btif_hh_device_t *p_dev); 171void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle); 172 173 174/************************************************************************************ 175** Functions 176************************************************************************************/ 177 178static int get_keylockstates() 179{ 180 return btif_hh_keylockstates; 181} 182 183static void set_keylockstate(int keymask, BOOLEAN isSet) 184{ 185 if(isSet) 186 btif_hh_keylockstates |= keymask; 187} 188 189/******************************************************************************* 190** 191** Function toggle_os_keylockstates 192** 193** Description Function to toggle the keyboard lock states managed by the linux. 194** This function is used in by two call paths 195** (1) if the lock state change occurred from an onscreen keyboard, 196** this function is called to update the lock state maintained 197 for the HID keyboard(s) 198** (2) if a HID keyboard is disconnected and reconnected, 199** this function is called to update the lock state maintained 200 for the HID keyboard(s) 201** Returns void 202*******************************************************************************/ 203 204static void toggle_os_keylockstates(int fd, int changedlockstates) 205{ 206 BTIF_TRACE_EVENT("%s: fd = %d, changedlockstates = 0x%x", 207 __FUNCTION__, fd, changedlockstates); 208 UINT8 hidreport[9]; 209 int reportIndex; 210 memset(hidreport,0,9); 211 hidreport[0]=1; 212 reportIndex=4; 213 214 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_CAPSLOCK) { 215 BTIF_TRACE_DEBUG("%s Setting CAPSLOCK", __FUNCTION__); 216 hidreport[reportIndex++] = (UINT8)HID_REPORT_CAPSLOCK; 217 } 218 219 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_NUMLOCK) { 220 BTIF_TRACE_DEBUG("%s Setting NUMLOCK", __FUNCTION__); 221 hidreport[reportIndex++] = (UINT8)HID_REPORT_NUMLOCK; 222 } 223 224 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_SCROLLLOCK) { 225 BTIF_TRACE_DEBUG("%s Setting SCROLLLOCK", __FUNCTION__); 226 hidreport[reportIndex++] = (UINT8) HID_REPORT_SCROLLLOCK; 227 } 228 229 BTIF_TRACE_DEBUG("Writing hidreport #1 to os: "\ 230 "%s: %x %x %x", __FUNCTION__, 231 hidreport[0], hidreport[1], hidreport[2]); 232 BTIF_TRACE_DEBUG("%s: %x %x %x", __FUNCTION__, 233 hidreport[3], hidreport[4], hidreport[5]); 234 BTIF_TRACE_DEBUG("%s: %x %x %x", __FUNCTION__, 235 hidreport[6], hidreport[7], hidreport[8]); 236 bta_hh_co_write(fd , hidreport, sizeof(hidreport)); 237 usleep(200000); 238 memset(hidreport,0,9); 239 hidreport[0]=1; 240 BTIF_TRACE_DEBUG("Writing hidreport #2 to os: "\ 241 "%s: %x %x %x", __FUNCTION__, 242 hidreport[0], hidreport[1], hidreport[2]); 243 BTIF_TRACE_DEBUG("%s: %x %x %x", __FUNCTION__, 244 hidreport[3], hidreport[4], hidreport[5]); 245 BTIF_TRACE_DEBUG("%s: %x %x %x ", __FUNCTION__, 246 hidreport[6], hidreport[7], hidreport[8]); 247 bta_hh_co_write(fd , hidreport, sizeof(hidreport)); 248} 249 250/******************************************************************************* 251** 252** Function create_pbuf 253** 254** Description Helper function to create p_buf for send_data or set_report 255** 256*******************************************************************************/ 257static BT_HDR *create_pbuf(UINT16 len, UINT8 *data) 258{ 259 BT_HDR* p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 260 261 if (p_buf) { 262 UINT8* pbuf_data; 263 264 p_buf->len = len; 265 p_buf->offset = BTA_HH_MIN_OFFSET; 266 267 pbuf_data = (UINT8*) (p_buf + 1) + p_buf->offset; 268 memcpy(pbuf_data, data, len); 269 } 270 return p_buf; 271} 272 273/******************************************************************************* 274** 275** Function update_keyboard_lockstates 276** 277** Description Sends a report to the keyboard to set the lock states of keys 278** 279*******************************************************************************/ 280static void update_keyboard_lockstates(btif_hh_device_t *p_dev) 281{ 282 UINT8 len = 2; /* reportid + 1 byte report*/ 283 BD_ADDR* bda; 284 BT_HDR* p_buf; 285 UINT8 data[] = {0x01, /* report id */ 286 btif_hh_keylockstates}; /* keystate */ 287 288 /* Set report for other keyboards */ 289 BTIF_TRACE_EVENT("%s: setting report on dev_handle %d to 0x%x", 290 __FUNCTION__, p_dev->dev_handle, btif_hh_keylockstates); 291 292 /* Get SetReport buffer */ 293 p_buf = create_pbuf(len, data); 294 if (p_buf != NULL) { 295 p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 296 bda = (BD_ADDR*) (&p_dev->bd_addr); 297 BTA_HhSendData(p_dev->dev_handle, *bda, p_buf); 298 } 299} 300 301/******************************************************************************* 302** 303** Function sync_lockstate_on_connect 304** 305** Description Function to update the keyboard lock states managed by the OS 306** when a HID keyboard is connected or disconnected and reconnected 307** Returns void 308*******************************************************************************/ 309static void sync_lockstate_on_connect(btif_hh_device_t *p_dev) 310{ 311 int keylockstates; 312 313 BTIF_TRACE_EVENT("%s: Syncing keyboard lock states after "\ 314 "reconnect...",__FUNCTION__); 315 /*If the device is connected, update keyboard state */ 316 update_keyboard_lockstates(p_dev); 317 318 /*Check if the lockstate of caps,scroll,num is set. 319 If so, send a report to the kernel 320 so the lockstate is in sync */ 321 keylockstates = get_keylockstates(); 322 if (keylockstates) 323 { 324 BTIF_TRACE_DEBUG("%s: Sending hid report to kernel "\ 325 "indicating lock key state 0x%x",__FUNCTION__, 326 keylockstates); 327 usleep(200000); 328 toggle_os_keylockstates(p_dev->fd, keylockstates); 329 } 330 else 331 { 332 BTIF_TRACE_DEBUG("%s: NOT sending hid report to kernel "\ 333 "indicating lock key state 0x%x",__FUNCTION__, 334 keylockstates); 335 } 336} 337 338/******************************************************************************* 339** 340** Function btif_hh_find_connected_dev_by_handle 341** 342** Description Return the connected device pointer of the specified device handle 343** 344** Returns Device entry pointer in the device table 345*******************************************************************************/ 346btif_hh_device_t *btif_hh_find_connected_dev_by_handle(UINT8 handle) 347{ 348 UINT32 i; 349 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 350 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 351 btif_hh_cb.devices[i].dev_handle == handle) 352 { 353 return &btif_hh_cb.devices[i]; 354 } 355 } 356 return NULL; 357} 358 359/******************************************************************************* 360** 361** Function btif_hh_find_dev_by_bda 362** 363** Description Return the device pointer of the specified bt_bdaddr_t. 364** 365** Returns Device entry pointer in the device table 366*******************************************************************************/ 367static btif_hh_device_t *btif_hh_find_dev_by_bda(bt_bdaddr_t *bd_addr) 368{ 369 UINT32 i; 370 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 371 if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN && 372 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 373 { 374 return &btif_hh_cb.devices[i]; 375 } 376 } 377 return NULL; 378} 379 380/******************************************************************************* 381** 382** Function btif_hh_find_connected_dev_by_bda 383** 384** Description Return the connected device pointer of the specified bt_bdaddr_t. 385** 386** Returns Device entry pointer in the device table 387*******************************************************************************/ 388static btif_hh_device_t *btif_hh_find_connected_dev_by_bda(bt_bdaddr_t *bd_addr) 389{ 390 UINT32 i; 391 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 392 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 393 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 394 { 395 return &btif_hh_cb.devices[i]; 396 } 397 } 398 return NULL; 399} 400 401/******************************************************************************* 402** 403** Function btif_hh_stop_vup_timer 404** 405** Description stop vitual unplug timer 406** 407** Returns void 408*******************************************************************************/ 409void btif_hh_stop_vup_timer(bt_bdaddr_t *bd_addr) 410{ 411 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 412 if(p_dev != NULL) 413 { 414 if (p_dev->vup_timer_active) 415 { 416 BTIF_TRACE_DEBUG("stop VUP timer "); 417 btu_stop_timer(&p_dev->vup_timer); 418 } 419 p_dev->vup_timer_active = FALSE; 420 } 421} 422/******************************************************************************* 423** 424** Function btif_hh_start_vup_timer 425** 426** Description start virtual unplug timer 427** 428** Returns void 429*******************************************************************************/ 430void btif_hh_start_vup_timer(bt_bdaddr_t *bd_addr) 431{ 432 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 433 434 if (p_dev->vup_timer_active == FALSE) 435 { 436 BTIF_TRACE_DEBUG("Start VUP timer "); 437 memset(&p_dev->vup_timer, 0, sizeof(TIMER_LIST_ENT)); 438 p_dev->vup_timer.param = (UINT32)btif_hh_tmr_hdlr; 439 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 440 BTIF_TIMEOUT_VUP_SECS); 441 } 442 else 443 { 444 BTIF_TRACE_DEBUG("Restart VUP timer "); 445 btu_stop_timer(&p_dev->vup_timer); 446 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 447 BTIF_TIMEOUT_VUP_SECS); 448 } 449 p_dev->vup_timer_active = TRUE; 450 451} 452 453/******************************************************************************* 454** 455** Function btif_hh_add_added_dev 456** 457** Description Add a new device to the added device list. 458** 459** Returns TRUE if add successfully, otherwise FALSE. 460*******************************************************************************/ 461BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask) 462{ 463 int i; 464 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 465 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN) == 0) { 466 BTIF_TRACE_WARNING(" Device %02X:%02X:%02X:%02X:%02X:%02X already added", 467 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 468 return FALSE; 469 } 470 } 471 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 472 if (btif_hh_cb.added_devices[i].bd_addr.address[0] == 0 && 473 btif_hh_cb.added_devices[i].bd_addr.address[1] == 0 && 474 btif_hh_cb.added_devices[i].bd_addr.address[2] == 0 && 475 btif_hh_cb.added_devices[i].bd_addr.address[3] == 0 && 476 btif_hh_cb.added_devices[i].bd_addr.address[4] == 0 && 477 btif_hh_cb.added_devices[i].bd_addr.address[5] == 0) 478 { 479 BTIF_TRACE_WARNING(" Added device %02X:%02X:%02X:%02X:%02X:%02X", 480 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 481 memcpy(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN); 482 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 483 btif_hh_cb.added_devices[i].attr_mask = attr_mask; 484 return TRUE; 485 } 486 } 487 488 BTIF_TRACE_WARNING("%s: Error, out of space to add device",__FUNCTION__); 489 return FALSE; 490} 491 492/******************************************************************************* 493 ** 494 ** Function btif_hh_remove_device 495 ** 496 ** Description Remove an added device from the stack. 497 ** 498 ** Returns void 499 *******************************************************************************/ 500void btif_hh_remove_device(bt_bdaddr_t bd_addr) 501{ 502 int i; 503 btif_hh_device_t *p_dev; 504 btif_hh_added_device_t *p_added_dev; 505 506 ALOGI("%s: bda = %02x:%02x:%02x:%02x:%02x:%02x", __FUNCTION__, 507 bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]); 508 509 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 510 p_added_dev = &btif_hh_cb.added_devices[i]; 511 if (memcmp(&(p_added_dev->bd_addr),&bd_addr, 6) == 0) { 512 BTA_HhRemoveDev(p_added_dev->dev_handle); 513 btif_storage_remove_hid_info(&(p_added_dev->bd_addr)); 514 memset(&(p_added_dev->bd_addr), 0, 6); 515 p_added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 516 break; 517 } 518 } 519 520 p_dev = btif_hh_find_dev_by_bda(&bd_addr); 521 if (p_dev == NULL) { 522 BTIF_TRACE_WARNING(" Oops, can't find device [%02x:%02x:%02x:%02x:%02x:%02x]", 523 bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]); 524 return; 525 } 526 527 /* need to notify up-layer device is disconnected to avoid state out of sync with up-layer */ 528 HAL_CBACK(bt_hh_callbacks, connection_state_cb, &(p_dev->bd_addr), BTHH_CONN_STATE_DISCONNECTED); 529 530 p_dev->dev_status = BTHH_CONN_STATE_UNKNOWN; 531 p_dev->dev_handle = BTA_HH_INVALID_HANDLE; 532 if (btif_hh_cb.device_num > 0) { 533 btif_hh_cb.device_num--; 534 } 535 else { 536 BTIF_TRACE_WARNING("%s: device_num = 0", __FUNCTION__); 537 } 538 539 p_dev->hh_keep_polling = 0; 540 p_dev->hh_poll_thread_id = -1; 541 BTIF_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 542 if (p_dev->fd >= 0) { 543 bta_hh_co_destroy(p_dev->fd); 544 p_dev->fd = -1; 545 } 546} 547 548 549BOOLEAN btif_hh_copy_hid_info(tBTA_HH_DEV_DSCP_INFO* dest , tBTA_HH_DEV_DSCP_INFO* src) 550{ 551 dest->descriptor.dl_len = 0; 552 if (src->descriptor.dl_len >0) 553 { 554 dest->descriptor.dsc_list = (UINT8 *) GKI_getbuf(src->descriptor.dl_len); 555 if (dest->descriptor.dsc_list == NULL) 556 { 557 BTIF_TRACE_WARNING("%s: Failed to allocate DSCP for CB", __FUNCTION__); 558 return FALSE; 559 } 560 } 561 memcpy(dest->descriptor.dsc_list, src->descriptor.dsc_list, src->descriptor.dl_len); 562 dest->descriptor.dl_len = src->descriptor.dl_len; 563 dest->vendor_id = src->vendor_id; 564 dest->product_id = src->product_id; 565 dest->version = src->version; 566 dest->ctry_code = src->ctry_code; 567 dest->ssr_max_latency = src->ssr_max_latency; 568 dest->ssr_min_tout = src->ssr_min_tout; 569 return TRUE; 570} 571 572 573/******************************************************************************* 574** 575** Function btif_hh_virtual_unplug 576** 577** Description Virtual unplug initiated from the BTIF thread context 578** Special handling for HID mouse- 579** 580** Returns void 581** 582*******************************************************************************/ 583 584bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr) 585{ 586 BTIF_TRACE_DEBUG("%s", __FUNCTION__); 587 btif_hh_device_t *p_dev; 588 char bd_str[18]; 589 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 590 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 591 bd_addr->address[4], bd_addr->address[5]); 592 p_dev = btif_hh_find_dev_by_bda(bd_addr); 593 if ((p_dev != NULL) && (p_dev->dev_status == BTHH_CONN_STATE_CONNECTED) 594 && (p_dev->attr_mask & HID_VIRTUAL_CABLE)) 595 { 596 BTIF_TRACE_DEBUG("%s Sending BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG", __FUNCTION__); 597 /* start the timer */ 598 btif_hh_start_vup_timer(bd_addr); 599 p_dev->local_vup = TRUE; 600 BTA_HhSendCtrl(p_dev->dev_handle, BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG); 601 return BT_STATUS_SUCCESS; 602 } 603 else 604 { 605 BTIF_TRACE_ERROR("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 606 return BT_STATUS_FAIL; 607 } 608} 609 610/******************************************************************************* 611** 612** Function btif_hh_connect 613** 614** Description connection initiated from the BTIF thread context 615** 616** Returns int status 617** 618*******************************************************************************/ 619 620bt_status_t btif_hh_connect(bt_bdaddr_t *bd_addr) 621{ 622 btif_hh_device_t *dev; 623 btif_hh_added_device_t *added_dev = NULL; 624 char bda_str[20]; 625 int i; 626 BD_ADDR *bda = (BD_ADDR*)bd_addr; 627 tBTA_HH_CONN conn; 628 CHECK_BTHH_INIT(); 629 dev = btif_hh_find_dev_by_bda(bd_addr); 630 BTIF_TRACE_DEBUG("Connect _hh"); 631 sprintf(bda_str, "%02X:%02X:%02X:%02X:%02X:%02X", 632 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 633 if (dev == NULL && btif_hh_cb.device_num >= BTIF_HH_MAX_HID) { 634 // No space for more HID device now. 635 BTIF_TRACE_WARNING("%s: Error, exceeded the maximum supported HID device number %d", 636 __FUNCTION__, BTIF_HH_MAX_HID); 637 return BT_STATUS_FAIL; 638 } 639 640 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 641 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) { 642 added_dev = &btif_hh_cb.added_devices[i]; 643 BTIF_TRACE_WARNING("%s: Device %s already added, attr_mask = 0x%x", 644 __FUNCTION__, bda_str, added_dev->attr_mask); 645 } 646 } 647 648 if (added_dev != NULL) { 649 if (added_dev->dev_handle == BTA_HH_INVALID_HANDLE) { 650 // No space for more HID device now. 651 BTIF_TRACE_ERROR("%s: Error, device %s added but addition failed", __FUNCTION__, bda_str); 652 memset(&(added_dev->bd_addr), 0, 6); 653 added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 654 return BT_STATUS_FAIL; 655 } 656 } 657 658 if (added_dev == NULL || 659 (added_dev->attr_mask & HID_NORMALLY_CONNECTABLE) != 0 || 660 (added_dev->attr_mask & HID_RECONN_INIT) == 0) 661 { 662 tBTA_SEC sec_mask = BTUI_HH_SECURITY; 663 btif_hh_cb.status = BTIF_HH_DEV_CONNECTING; 664 BD_ADDR *bda = (BD_ADDR*)bd_addr; 665 BTA_HhOpen(*bda, BTA_HH_PROTO_RPT_MODE, sec_mask); 666 } 667 else 668 { 669 // This device shall be connected from the host side. 670 BTIF_TRACE_ERROR("%s: Error, device %s can only be reconnected from device side", 671 __FUNCTION__, bda_str); 672 return BT_STATUS_FAIL; 673 } 674 675 HAL_CBACK(bt_hh_callbacks, connection_state_cb, bd_addr, BTHH_CONN_STATE_CONNECTING); 676 return BT_STATUS_SUCCESS; 677} 678 679/******************************************************************************* 680** 681** Function btif_hh_disconnect 682** 683** Description disconnection initiated from the BTIF thread context 684** 685** Returns void 686** 687*******************************************************************************/ 688 689void btif_hh_disconnect(bt_bdaddr_t *bd_addr) 690{ 691 BD_ADDR *bda = (BD_ADDR*)bd_addr; 692 btif_hh_device_t *p_dev; 693 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 694 if (p_dev != NULL) 695 { 696 BTA_HhClose(p_dev->dev_handle); 697 } 698 else 699 BTIF_TRACE_DEBUG("%s-- Error: device not connected:",__FUNCTION__); 700} 701 702/******************************************************************************* 703** 704** Function btif_btif_hh_setreport 705** 706** Description setreport initiated from the BTIF thread context 707** 708** Returns void 709** 710*******************************************************************************/ 711void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type, UINT16 size, 712 UINT8* report) 713{ 714 BT_HDR* p_buf = create_pbuf(size, report); 715 if (p_buf == NULL) { 716 APPL_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, size = %d", __FUNCTION__, size); 717 return; 718 } 719 BTA_HhSetReport(p_dev->dev_handle, r_type, p_buf); 720} 721 722/***************************************************************************** 723** Section name (Group of functions) 724*****************************************************************************/ 725 726/***************************************************************************** 727** 728** btif hh api functions (no context switch) 729** 730*****************************************************************************/ 731 732 733/******************************************************************************* 734** 735** Function btif_hh_upstreams_evt 736** 737** Description Executes HH UPSTREAMS events in btif context 738** 739** Returns void 740** 741*******************************************************************************/ 742static void btif_hh_upstreams_evt(UINT16 event, char* p_param) 743{ 744 tBTA_HH *p_data = (tBTA_HH *)p_param; 745 bdstr_t bdstr; 746 btif_hh_device_t *p_dev = NULL; 747 int i; 748 int len, tmplen; 749 750 BTIF_TRACE_DEBUG("%s: event=%s", __FUNCTION__, dump_hh_event(event)); 751 752 switch (event) 753 { 754 case BTA_HH_ENABLE_EVT: 755 BTIF_TRACE_DEBUG("%s: BTA_HH_ENABLE_EVT: status =%d",__FUNCTION__, p_data->status); 756 if (p_data->status == BTA_HH_OK) { 757 btif_hh_cb.status = BTIF_HH_ENABLED; 758 BTIF_TRACE_DEBUG("%s--Loading added devices",__FUNCTION__); 759 /* Add hid descriptors for already bonded hid devices*/ 760 btif_storage_load_bonded_hid_info(); 761 } 762 else { 763 btif_hh_cb.status = BTIF_HH_DISABLED; 764 BTIF_TRACE_WARNING("BTA_HH_ENABLE_EVT: Error, HH enabling failed, status = %d", p_data->status); 765 } 766 break; 767 768 case BTA_HH_DISABLE_EVT: 769 btif_hh_cb.status = BTIF_HH_DISABLED; 770 if (p_data->status == BTA_HH_OK) { 771 int i; 772 //Clear the control block 773 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 774 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 775 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 776 } 777 } 778 else 779 BTIF_TRACE_WARNING("BTA_HH_DISABLE_EVT: Error, HH disabling failed, status = %d", p_data->status); 780 break; 781 782 case BTA_HH_OPEN_EVT: 783 BTIF_TRACE_WARNING("%s: BTA_HH_OPN_EVT: handle=%d, status =%d",__FUNCTION__, p_data->conn.handle, p_data->conn.status); 784 if (p_data->conn.status == BTA_HH_OK) { 785 p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 786 if (p_dev == NULL) { 787 BTIF_TRACE_WARNING("BTA_HH_OPEN_EVT: Error, cannot find device with handle %d", p_data->conn.handle); 788 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 789 // The connect request must come from device side and exceeded the connected 790 // HID device number. 791 BTA_HhClose(p_data->conn.handle); 792 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 793 } 794 else if (p_dev->fd < 0) { 795 BTIF_TRACE_WARNING("BTA_HH_OPEN_EVT: Error, failed to find the uhid driver..."); 796 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 797 //remove the connection and then try again to reconnect from the mouse side to recover 798 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 799 BTA_HhClose(p_data->conn.handle); 800 } 801 else { 802 BTIF_TRACE_WARNING("BTA_HH_OPEN_EVT: Found device...Getting dscp info for handle ... %d",p_data->conn.handle); 803 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 804 btif_hh_cb.status = BTIF_HH_DEV_CONNECTED; 805 // Send set_idle if the peer_device is a keyboard 806 if (check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_KEYBOARD )|| 807 check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_COMBO)) 808 BTA_HhSetIdle(p_data->conn.handle, 0); 809 btif_hh_cb.p_curr_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 810 BTA_HhGetDscpInfo(p_data->conn.handle); 811 p_dev->dev_status = BTHH_CONN_STATE_CONNECTED; 812 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 813 } 814 } 815 else { 816 bt_bdaddr_t *bdaddr = (bt_bdaddr_t*)p_data->conn.bda; 817 btif_dm_hh_open_failed(bdaddr); 818 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 819 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 820 } 821 break; 822 case BTA_HH_CLOSE_EVT: 823 BTIF_TRACE_DEBUG("BTA_HH_CLOSE_EVT: status = %d, handle = %d", 824 p_data->dev_status.status, p_data->dev_status.handle); 825 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 826 if (p_dev != NULL) { 827 BTIF_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 828 if(p_dev->vup_timer_active) 829 { 830 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 831 } 832 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 833 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 834 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 835 BTIF_TRACE_DEBUG("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 836 bta_hh_co_destroy(p_dev->fd); 837 p_dev->fd = -1; 838 } 839 else { 840 BTIF_TRACE_WARNING("Error: cannot find device with handle %d", p_data->dev_status.handle); 841 } 842 break; 843 case BTA_HH_GET_RPT_EVT: { 844 BT_HDR *hdr = p_data->hs_data.rsp_data.p_rpt_data; 845 UINT8 *data = NULL; 846 UINT16 len = 0; 847 848 BTIF_TRACE_DEBUG("BTA_HH_GET_RPT_EVT: status = %d, handle = %d", 849 p_data->hs_data.status, p_data->hs_data.handle); 850 p_dev = btif_hh_find_connected_dev_by_handle(p_data->hs_data.handle); 851 if (p_dev) { 852 /* p_rpt_data is NULL in HANDSHAKE response case */ 853 if (hdr) { 854 data = (UINT8 *)(hdr + 1) + hdr->offset; 855 len = hdr->len; 856 HAL_CBACK(bt_hh_callbacks, get_report_cb, 857 (bt_bdaddr_t*) &(p_dev->bd_addr), 858 (bthh_status_t) p_data->hs_data.status, data, len); 859 } else { 860 HAL_CBACK(bt_hh_callbacks, handshake_cb, 861 (bt_bdaddr_t*) &(p_dev->bd_addr), 862 (bthh_status_t) p_data->hs_data.status); 863 } 864 } else { 865 BTIF_TRACE_WARNING("Error: cannot find device with handle %d", p_data->hs_data.handle); 866 } 867 break; 868 } 869 case BTA_HH_SET_RPT_EVT: 870 BTIF_TRACE_DEBUG("BTA_HH_SET_RPT_EVT: status = %d, handle = %d", 871 p_data->dev_status.status, p_data->dev_status.handle); 872 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 873 if (p_dev != NULL) { 874 HAL_CBACK(bt_hh_callbacks, handshake_cb, 875 (bt_bdaddr_t*) &(p_dev->bd_addr), 876 (bthh_status_t) p_data->hs_data.status); 877 } 878 break; 879 880 case BTA_HH_GET_PROTO_EVT: 881 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 882 BTIF_TRACE_WARNING("BTA_HH_GET_PROTO_EVT: status = %d, handle = %d, proto = [%d], %s", 883 p_data->hs_data.status, p_data->hs_data.handle, 884 p_data->hs_data.rsp_data.proto_mode, 885 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE) ? "Report Mode" : 886 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_BOOT_MODE) ? "Boot Mode" : "Unsupported"); 887 if (p_data->hs_data.rsp_data.proto_mode != BTA_HH_PROTO_UNKNOWN) { 888 HAL_CBACK(bt_hh_callbacks, protocol_mode_cb, 889 (bt_bdaddr_t*) &(p_dev->bd_addr), 890 (bthh_status_t)p_data->hs_data.status, 891 (bthh_protocol_mode_t) p_data->hs_data.rsp_data.proto_mode); 892 } else { 893 HAL_CBACK(bt_hh_callbacks, handshake_cb, 894 (bt_bdaddr_t*) &(p_dev->bd_addr), 895 (bthh_status_t)p_data->hs_data.status); 896 } 897 break; 898 899 case BTA_HH_SET_PROTO_EVT: 900 BTIF_TRACE_DEBUG("BTA_HH_SET_PROTO_EVT: status = %d, handle = %d", 901 p_data->dev_status.status, p_data->dev_status.handle); 902 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 903 if (p_dev) { 904 HAL_CBACK(bt_hh_callbacks, handshake_cb, 905 (bt_bdaddr_t*)&(p_dev->bd_addr), 906 (bthh_status_t)p_data->hs_data.status); 907 } 908 break; 909 910 case BTA_HH_GET_IDLE_EVT: 911 BTIF_TRACE_DEBUG("BTA_HH_GET_IDLE_EVT: handle = %d, status = %d, rate = %d", 912 p_data->hs_data.handle, p_data->hs_data.status, 913 p_data->hs_data.rsp_data.idle_rate); 914 break; 915 916 case BTA_HH_SET_IDLE_EVT: 917 BTIF_TRACE_DEBUG("BTA_HH_SET_IDLE_EVT: status = %d, handle = %d", 918 p_data->dev_status.status, p_data->dev_status.handle); 919 break; 920 921 case BTA_HH_GET_DSCP_EVT: 922 len = p_data->dscp_info.descriptor.dl_len; 923 BTIF_TRACE_DEBUG("BTA_HH_GET_DSCP_EVT: len = %d", len); 924 p_dev = btif_hh_cb.p_curr_dev; 925 if (p_dev == NULL) { 926 BTIF_TRACE_ERROR("BTA_HH_GET_DSCP_EVT: No HID device is currently connected"); 927 return; 928 } 929 if (p_dev->fd < 0) { 930 ALOGE("BTA_HH_GET_DSCP_EVT: Error, failed to find the uhid driver..."); 931 return; 932 } 933 { 934 char *cached_name = NULL; 935 bt_bdname_t bdname; 936 bt_property_t prop_name; 937 BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME, 938 sizeof(bt_bdname_t), &bdname); 939 if (btif_storage_get_remote_device_property( 940 &p_dev->bd_addr, &prop_name) == BT_STATUS_SUCCESS) 941 { 942 cached_name = (char *)bdname.name; 943 } 944 else 945 { 946 cached_name = "Bluetooth HID"; 947 } 948 949 BTIF_TRACE_WARNING("%s: name = %s", __FUNCTION__, cached_name); 950 bta_hh_co_send_hid_info(p_dev, cached_name, 951 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 952 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 953 len, p_data->dscp_info.descriptor.dsc_list); 954 if (btif_hh_add_added_dev(p_dev->bd_addr, p_dev->attr_mask)) { 955 BD_ADDR bda; 956 bdcpy(bda, p_dev->bd_addr.address); 957 tBTA_HH_DEV_DSCP_INFO dscp_info; 958 bt_status_t ret; 959 bdcpy(bda, p_dev->bd_addr.address); 960 btif_hh_copy_hid_info(&dscp_info, &p_data->dscp_info); 961 BTIF_TRACE_DEBUG("BTA_HH_GET_DSCP_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 962 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 963 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 964 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 965 BTA_HhAddDev(bda, p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, dscp_info); 966 // write hid info to nvram 967 ret = btif_storage_add_hid_device_info(&(p_dev->bd_addr), p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, 968 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 969 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 970 p_data->dscp_info.ssr_max_latency, p_data->dscp_info.ssr_min_tout, 971 len, p_data->dscp_info.descriptor.dsc_list); 972 973 ASSERTC(ret == BT_STATUS_SUCCESS, "storing hid info failed", ret); 974 BTIF_TRACE_WARNING("BTA_HH_GET_DSCP_EVT: Called add device"); 975 976 //Free buffer created for dscp_info; 977 if (dscp_info.descriptor.dl_len >0 && dscp_info.descriptor.dsc_list != NULL) 978 { 979 GKI_freebuf(dscp_info.descriptor.dsc_list); 980 dscp_info.descriptor.dsc_list = NULL; 981 dscp_info.descriptor.dl_len=0; 982 } 983 } 984 else { 985 //Device already added. 986 BTIF_TRACE_WARNING("%s: Device already added ",__FUNCTION__); 987 } 988 /*Sync HID Keyboard lockstates */ 989 tmplen = sizeof(hid_kb_numlock_on_list) 990 / sizeof(tHID_KB_LIST); 991 for(i = 0; i< tmplen; i++) 992 { 993 if(p_data->dscp_info.vendor_id 994 == hid_kb_numlock_on_list[i].version_id && 995 p_data->dscp_info.product_id 996 == hid_kb_numlock_on_list[i].product_id) 997 { 998 BTIF_TRACE_DEBUG("%s() idx[%d] Enabling "\ 999 "NUMLOCK for device :: %s", __FUNCTION__, 1000 i, hid_kb_numlock_on_list[i].kb_name); 1001 /* Enable NUMLOCK by default so that numeric 1002 keys work from first keyboard connect */ 1003 set_keylockstate(BTIF_HH_KEYSTATE_MASK_NUMLOCK, 1004 TRUE); 1005 sync_lockstate_on_connect(p_dev); 1006 /* End Sync HID Keyboard lockstates */ 1007 break; 1008 } 1009 } 1010 } 1011 break; 1012 1013 case BTA_HH_ADD_DEV_EVT: 1014 BTIF_TRACE_WARNING("BTA_HH_ADD_DEV_EVT: status = %d, handle = %d",p_data->dev_info.status, p_data->dev_info.handle); 1015 int i; 1016 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 1017 if (memcmp(btif_hh_cb.added_devices[i].bd_addr.address, p_data->dev_info.bda, 6) == 0) { 1018 if (p_data->dev_info.status == BTA_HH_OK) { 1019 btif_hh_cb.added_devices[i].dev_handle = p_data->dev_info.handle; 1020 } 1021 else { 1022 memset(btif_hh_cb.added_devices[i].bd_addr.address, 0, 6); 1023 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 1024 } 1025 break; 1026 } 1027 } 1028 break; 1029 case BTA_HH_RMV_DEV_EVT: 1030 BTIF_TRACE_DEBUG("BTA_HH_RMV_DEV_EVT: status = %d, handle = %d", 1031 p_data->dev_info.status, p_data->dev_info.handle); 1032 BTIF_TRACE_DEBUG("BTA_HH_RMV_DEV_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1033 p_data->dev_info.bda[0], p_data->dev_info.bda[1], p_data->dev_info.bda[2], 1034 p_data->dev_info.bda[3], p_data->dev_info.bda[4], p_data->dev_info.bda[5]); 1035 break; 1036 1037 1038 case BTA_HH_VC_UNPLUG_EVT: 1039 BTIF_TRACE_DEBUG("BTA_HH_VC_UNPLUG_EVT: status = %d, handle = %d", 1040 p_data->dev_status.status, p_data->dev_status.handle); 1041 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 1042 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 1043 if (p_dev != NULL) { 1044 BTIF_TRACE_DEBUG("BTA_HH_VC_UNPLUG_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1045 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 1046 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 1047 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 1048 /* Stop the VUP timer */ 1049 if(p_dev->vup_timer_active) 1050 { 1051 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 1052 } 1053 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 1054 BTIF_TRACE_DEBUG("%s---Sending connection state change", __FUNCTION__); 1055 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 1056 BTIF_TRACE_DEBUG("%s---Removing HID bond", __FUNCTION__); 1057 /* If it is locally initiated VUP or remote device has its major COD as 1058 Peripheral removed the bond.*/ 1059 if (p_dev->local_vup || check_cod_hid(&(p_dev->bd_addr), COD_HID_MAJOR)) 1060 { 1061 p_dev->local_vup = FALSE; 1062 BTA_DmRemoveDevice((UINT8 *)p_dev->bd_addr.address); 1063 } 1064 else 1065 btif_hh_remove_device(p_dev->bd_addr); 1066 HAL_CBACK(bt_hh_callbacks, virtual_unplug_cb,&(p_dev->bd_addr), 1067 p_data->dev_status.status); 1068 } 1069 break; 1070 1071 case BTA_HH_API_ERR_EVT : 1072 ALOGI("BTA_HH API_ERR"); 1073 break; 1074 1075 1076 1077 default: 1078 BTIF_TRACE_WARNING("%s: Unhandled event: %d", __FUNCTION__, event); 1079 break; 1080 } 1081} 1082 1083/******************************************************************************* 1084** 1085** Function bte_hh_evt 1086** 1087** Description Switches context from BTE to BTIF for all HH events 1088** 1089** Returns void 1090** 1091*******************************************************************************/ 1092 1093static void bte_hh_evt(tBTA_HH_EVT event, tBTA_HH *p_data) 1094{ 1095 bt_status_t status; 1096 int param_len = 0; 1097 1098 if (BTA_HH_ENABLE_EVT == event) 1099 param_len = sizeof(tBTA_HH_STATUS); 1100 else if (BTA_HH_OPEN_EVT == event) 1101 param_len = sizeof(tBTA_HH_CONN); 1102 else if (BTA_HH_DISABLE_EVT == event) 1103 param_len = sizeof(tBTA_HH_STATUS); 1104 else if (BTA_HH_CLOSE_EVT == event) 1105 param_len = sizeof(tBTA_HH_CBDATA); 1106 else if (BTA_HH_GET_DSCP_EVT == event) 1107 param_len = sizeof(tBTA_HH_DEV_DSCP_INFO); 1108 else if ((BTA_HH_GET_PROTO_EVT == event) || (BTA_HH_GET_RPT_EVT == event)|| (BTA_HH_GET_IDLE_EVT == event)) 1109 param_len = sizeof(tBTA_HH_HSDATA); 1110 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)) 1111 param_len = sizeof(tBTA_HH_CBDATA); 1112 else if ((BTA_HH_ADD_DEV_EVT == event) || (BTA_HH_RMV_DEV_EVT == event) ) 1113 param_len = sizeof(tBTA_HH_DEV_INFO); 1114 else if (BTA_HH_API_ERR_EVT == event) 1115 param_len = 0; 1116 /* switch context to btif task context (copy full union size for convenience) */ 1117 status = btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)p_data, param_len, NULL); 1118 1119 /* catch any failed context transfers */ 1120 ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); 1121} 1122 1123/******************************************************************************* 1124** 1125** Function btif_hh_handle_evt 1126** 1127** Description Switches context for immediate callback 1128** 1129** Returns void 1130** 1131*******************************************************************************/ 1132 1133static void btif_hh_handle_evt(UINT16 event, char *p_param) 1134{ 1135 bt_bdaddr_t *bd_addr = (bt_bdaddr_t*)p_param; 1136 BTIF_TRACE_EVENT("%s: event=%d", __FUNCTION__, event); 1137 int ret; 1138 switch(event) 1139 { 1140 case BTIF_HH_CONNECT_REQ_EVT: 1141 { 1142 ret = btif_hh_connect(bd_addr); 1143 if(ret == BT_STATUS_SUCCESS) 1144 { 1145 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_CONNECTING); 1146 } 1147 else 1148 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTED); 1149 } 1150 break; 1151 1152 case BTIF_HH_DISCONNECT_REQ_EVT: 1153 { 1154 BTIF_TRACE_EVENT("%s: event=%d", __FUNCTION__, event); 1155 btif_hh_disconnect(bd_addr); 1156 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTING); 1157 } 1158 break; 1159 1160 case BTIF_HH_VUP_REQ_EVT: 1161 { 1162 BTIF_TRACE_EVENT("%s: event=%d", __FUNCTION__, event); 1163 ret = btif_hh_virtual_unplug(bd_addr); 1164 } 1165 break; 1166 1167 default: 1168 { 1169 BTIF_TRACE_WARNING("%s : Unknown event 0x%x", __FUNCTION__, event); 1170 } 1171 break; 1172 } 1173} 1174 1175/******************************************************************************* 1176** 1177** Function btif_hh_tmr_hdlr 1178** 1179** Description Process timer timeout 1180** 1181** Returns void 1182*******************************************************************************/ 1183void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle) 1184{ 1185 btif_hh_device_t *p_dev; 1186 UINT8 i,j; 1187 tBTA_HH_EVT event; 1188 tBTA_HH p_data; 1189 int param_len = 0; 1190 memset(&p_data, 0, sizeof(tBTA_HH)); 1191 1192 BTIF_TRACE_DEBUG("%s timer_in_use=%d", __FUNCTION__, tle->in_use ); 1193 1194 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1195 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED) 1196 { 1197 1198 p_dev = &btif_hh_cb.devices[i]; 1199 1200 if (p_dev->vup_timer_active) 1201 { 1202 p_dev->vup_timer_active = FALSE; 1203 event = BTA_HH_VC_UNPLUG_EVT; 1204 p_data.dev_status.status = BTHH_ERR; 1205 p_data.dev_status.handle = p_dev->dev_handle; 1206 param_len = sizeof(tBTA_HH_CBDATA); 1207 1208 /* switch context to btif task context */ 1209 btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)&p_data, 1210 param_len, NULL); 1211 } 1212 } 1213 } 1214} 1215 1216/******************************************************************************* 1217** 1218** Function btif_hh_init 1219** 1220** Description initializes the hh interface 1221** 1222** Returns bt_status_t 1223** 1224*******************************************************************************/ 1225static bt_status_t init( bthh_callbacks_t* callbacks ) 1226{ 1227 UINT32 i; 1228 BTIF_TRACE_EVENT("%s", __FUNCTION__); 1229 1230 bt_hh_callbacks = callbacks; 1231 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 1232 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 1233 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 1234 } 1235 /* Invoke the enable service API to the core to set the appropriate service_id */ 1236 btif_enable_service(BTA_HID_SERVICE_ID); 1237 return BT_STATUS_SUCCESS; 1238} 1239 1240/******************************************************************************* 1241** 1242** Function connect 1243** 1244** Description connect to hid device 1245** 1246** Returns bt_status_t 1247** 1248*******************************************************************************/ 1249static bt_status_t connect( bt_bdaddr_t *bd_addr) 1250{ 1251 if(btif_hh_cb.status != BTIF_HH_DEV_CONNECTING) 1252 { 1253 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_CONNECT_REQ_EVT, 1254 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1255 return BT_STATUS_SUCCESS; 1256 } 1257 else 1258 return BT_STATUS_BUSY; 1259} 1260 1261/******************************************************************************* 1262** 1263** Function disconnect 1264** 1265** Description disconnect from hid device 1266** 1267** Returns bt_status_t 1268** 1269*******************************************************************************/ 1270static bt_status_t disconnect( bt_bdaddr_t *bd_addr ) 1271{ 1272 CHECK_BTHH_INIT(); 1273 btif_hh_device_t *p_dev; 1274 1275 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1276 { 1277 BTIF_TRACE_WARNING("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1278 return BT_STATUS_FAIL; 1279 } 1280 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1281 if (p_dev != NULL) 1282 { 1283 return btif_transfer_context(btif_hh_handle_evt, BTIF_HH_DISCONNECT_REQ_EVT, 1284 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1285 } 1286 else 1287 { 1288 BTIF_TRACE_WARNING("%s: Error, device not opened.", __FUNCTION__); 1289 return BT_STATUS_FAIL; 1290 } 1291} 1292 1293/******************************************************************************* 1294** 1295** Function virtual_unplug 1296** 1297** Description Virtual UnPlug (VUP) the specified HID device. 1298** 1299** Returns bt_status_t 1300** 1301*******************************************************************************/ 1302static bt_status_t virtual_unplug (bt_bdaddr_t *bd_addr) 1303{ 1304 CHECK_BTHH_INIT(); 1305 btif_hh_device_t *p_dev; 1306 char bd_str[18]; 1307 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 1308 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 1309 bd_addr->address[4], bd_addr->address[5]); 1310 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1311 { 1312 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1313 return BT_STATUS_FAIL; 1314 } 1315 p_dev = btif_hh_find_dev_by_bda(bd_addr); 1316 if (!p_dev) 1317 { 1318 BTIF_TRACE_ERROR("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 1319 return BT_STATUS_FAIL; 1320 } 1321 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_VUP_REQ_EVT, 1322 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1323 return BT_STATUS_SUCCESS; 1324} 1325 1326 1327/******************************************************************************* 1328** 1329** Function set_info 1330** 1331** Description Set the HID device descriptor for the specified HID device. 1332** 1333** Returns bt_status_t 1334** 1335*******************************************************************************/ 1336static bt_status_t set_info (bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info ) 1337{ 1338 CHECK_BTHH_INIT(); 1339 tBTA_HH_DEV_DSCP_INFO dscp_info; 1340 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1341 1342 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1343 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1344 BTIF_TRACE_DEBUG("%s: sub_class = 0x%02x, app_id = %d, vendor_id = 0x%04x, " 1345 "product_id = 0x%04x, version= 0x%04x", 1346 __FUNCTION__, hid_info.sub_class, 1347 hid_info.app_id, hid_info.vendor_id, hid_info.product_id, 1348 hid_info.version); 1349 1350 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1351 { 1352 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1353 return BT_STATUS_FAIL; 1354 } 1355 1356 dscp_info.vendor_id = hid_info.vendor_id; 1357 dscp_info.product_id = hid_info.product_id; 1358 dscp_info.version = hid_info.version; 1359 dscp_info.ctry_code = hid_info.ctry_code; 1360 1361 dscp_info.descriptor.dl_len = hid_info.dl_len; 1362 dscp_info.descriptor.dsc_list = (UINT8 *) GKI_getbuf(dscp_info.descriptor.dl_len); 1363 if (dscp_info.descriptor.dsc_list == NULL) 1364 { 1365 ALOGE("%s: Failed to allocate DSCP for CB", __FUNCTION__); 1366 return BT_STATUS_FAIL; 1367 } 1368 memcpy(dscp_info.descriptor.dsc_list, &(hid_info.dsc_list), hid_info.dl_len); 1369 1370 if (btif_hh_add_added_dev(*bd_addr, hid_info.attr_mask)) 1371 { 1372 BTA_HhAddDev(*bda, hid_info.attr_mask, hid_info.sub_class, 1373 hid_info.app_id, dscp_info); 1374 } 1375 1376 GKI_freebuf(dscp_info.descriptor.dsc_list); 1377 1378 return BT_STATUS_SUCCESS; 1379} 1380 1381/******************************************************************************* 1382** 1383** Function get_protocol 1384** 1385** Description Get the HID proto mode. 1386** 1387** Returns bt_status_t 1388** 1389*******************************************************************************/ 1390static bt_status_t get_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1391{ 1392 CHECK_BTHH_INIT(); 1393 btif_hh_device_t *p_dev; 1394 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1395 UNUSED(protocolMode); 1396 1397 BTIF_TRACE_DEBUG(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1398 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1399 1400 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1401 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1402 return BT_STATUS_FAIL; 1403 } 1404 1405 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1406 if (p_dev != NULL) { 1407 1408 BTA_HhGetProtoMode(p_dev->dev_handle); 1409 } 1410 else { 1411 return BT_STATUS_FAIL; 1412 } 1413 return BT_STATUS_SUCCESS; 1414} 1415 1416/******************************************************************************* 1417** 1418** Function set_protocol 1419** 1420** Description Set the HID proto mode. 1421** 1422** Returns bt_status_t 1423** 1424*******************************************************************************/ 1425static bt_status_t set_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1426{ 1427 CHECK_BTHH_INIT(); 1428 btif_hh_device_t *p_dev; 1429 UINT8 proto_mode = protocolMode; 1430 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1431 1432 BTIF_TRACE_DEBUG("%s:proto_mode = %d", __FUNCTION__,protocolMode); 1433 1434 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1435 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1436 1437 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1438 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1439 return BT_STATUS_FAIL; 1440 } 1441 1442 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1443 if (p_dev == NULL) { 1444 BTIF_TRACE_WARNING(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1445 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1446 return BT_STATUS_FAIL; 1447 } 1448 else if (protocolMode != BTA_HH_PROTO_RPT_MODE && protocolMode != BTA_HH_PROTO_BOOT_MODE) { 1449 BTIF_TRACE_WARNING("s: Error, device proto_mode = %d.", __FUNCTION__, proto_mode); 1450 return BT_STATUS_FAIL; 1451 } 1452 else { 1453 BTA_HhSetProtoMode(p_dev->dev_handle, protocolMode); 1454 } 1455 1456 1457 return BT_STATUS_SUCCESS; 1458} 1459 1460/******************************************************************************* 1461** 1462** Function get_report 1463** 1464** Description Send a GET_REPORT to HID device. 1465** 1466** Returns bt_status_t 1467** 1468*******************************************************************************/ 1469static bt_status_t get_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize) 1470{ 1471 CHECK_BTHH_INIT(); 1472 btif_hh_device_t *p_dev; 1473 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1474 1475 BTIF_TRACE_DEBUG("%s:proto_mode = %dr_type = %d, rpt_id = %d, buf_size = %d", __FUNCTION__, 1476 reportType, reportId, bufferSize); 1477 1478 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1479 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1480 1481 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1482 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1483 return BT_STATUS_FAIL; 1484 } 1485 1486 1487 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1488 if (p_dev == NULL) { 1489 BTIF_TRACE_ERROR("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1490 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1491 return BT_STATUS_FAIL; 1492 } 1493 else if ( ((int) reportType) <= BTA_HH_RPTT_RESRV || ((int) reportType) > BTA_HH_RPTT_FEATURE) { 1494 BTIF_TRACE_ERROR(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1495 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1496 return BT_STATUS_FAIL; 1497 } 1498 else { 1499 BTA_HhGetReport(p_dev->dev_handle, reportType, 1500 reportId, bufferSize); 1501 } 1502 1503 return BT_STATUS_SUCCESS; 1504} 1505 1506/******************************************************************************* 1507** 1508** Function set_report 1509** 1510** Description Send a SET_REPORT to HID device. 1511** 1512** Returns bt_status_t 1513** 1514*******************************************************************************/ 1515static bt_status_t set_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report) 1516{ 1517 CHECK_BTHH_INIT(); 1518 btif_hh_device_t *p_dev; 1519 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1520 1521 BTIF_TRACE_DEBUG("%s:reportType = %d", __FUNCTION__,reportType); 1522 1523 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1524 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1525 1526 1527 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1528 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1529 return BT_STATUS_FAIL; 1530 } 1531 1532 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1533 if (p_dev == NULL) { 1534 BTIF_TRACE_ERROR("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1535 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1536 return BT_STATUS_FAIL; 1537 } 1538 else if ( ( (int) reportType) <= BTA_HH_RPTT_RESRV || ( (int) reportType) > BTA_HH_RPTT_FEATURE) { 1539 BTIF_TRACE_ERROR(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1540 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1541 return BT_STATUS_FAIL; 1542 } 1543 else { 1544 int hex_bytes_filled; 1545 UINT8 *hexbuf; 1546 UINT16 len = (strlen(report) + 1) / 2; 1547 1548 hexbuf = GKI_getbuf(len); 1549 if (hexbuf == NULL) { 1550 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1551 __FUNCTION__, len); 1552 return BT_STATUS_FAIL; 1553 } 1554 1555 /* Build a SetReport data buffer */ 1556 memset(hexbuf, 0, len); 1557 //TODO 1558 hex_bytes_filled = ascii_2_hex(report, len, hexbuf); 1559 BTIF_TRACE_DEBUG("Hex bytes filled, hex value: %d", hex_bytes_filled); 1560 if (hex_bytes_filled) { 1561 BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf); 1562 if (p_buf == NULL) { 1563 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1564 __FUNCTION__, hex_bytes_filled); 1565 GKI_freebuf(hexbuf); 1566 return BT_STATUS_FAIL; 1567 } 1568 BTA_HhSetReport(p_dev->dev_handle, reportType, p_buf); 1569 GKI_freebuf(hexbuf); 1570 return BT_STATUS_SUCCESS; 1571 } 1572 GKI_freebuf(hexbuf); 1573 return BT_STATUS_FAIL; 1574 } 1575} 1576 1577/******************************************************************************* 1578** 1579** Function send_data 1580** 1581** Description Send a SEND_DATA to HID device. 1582** 1583** Returns bt_status_t 1584** 1585*******************************************************************************/ 1586static bt_status_t send_data (bt_bdaddr_t *bd_addr, char* data) 1587{ 1588 CHECK_BTHH_INIT(); 1589 btif_hh_device_t *p_dev; 1590 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1591 1592 BTIF_TRACE_DEBUG("%s", __FUNCTION__); 1593 1594 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1595 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1596 1597 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1598 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1599 return BT_STATUS_FAIL; 1600 } 1601 1602 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1603 if (p_dev == NULL) { 1604 BTIF_TRACE_ERROR("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1605 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1606 return BT_STATUS_FAIL; 1607 } 1608 1609 else { 1610 int hex_bytes_filled; 1611 UINT8 *hexbuf; 1612 UINT16 len = (strlen(data) + 1) / 2; 1613 1614 hexbuf = GKI_getbuf(len); 1615 if (hexbuf == NULL) { 1616 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1617 __FUNCTION__, len); 1618 return BT_STATUS_FAIL; 1619 } 1620 1621 /* Build a SendData data buffer */ 1622 memset(hexbuf, 0, len); 1623 hex_bytes_filled = ascii_2_hex(data, len, hexbuf); 1624 BTIF_TRACE_ERROR("Hex bytes filled, hex value: %d, %d", hex_bytes_filled, len); 1625 1626 if (hex_bytes_filled) { 1627 BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf); 1628 if (p_buf == NULL) { 1629 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1630 __FUNCTION__, hex_bytes_filled); 1631 GKI_freebuf(hexbuf); 1632 return BT_STATUS_FAIL; 1633 } 1634 p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 1635 BTA_HhSendData(p_dev->dev_handle, *bda, p_buf); 1636 GKI_freebuf(hexbuf); 1637 return BT_STATUS_SUCCESS; 1638 } 1639 GKI_freebuf(hexbuf); 1640 return BT_STATUS_FAIL; 1641 } 1642} 1643 1644 1645/******************************************************************************* 1646** 1647** Function cleanup 1648** 1649** Description Closes the HH interface 1650** 1651** Returns bt_status_t 1652** 1653*******************************************************************************/ 1654static void cleanup( void ) 1655{ 1656 BTIF_TRACE_EVENT("%s", __FUNCTION__); 1657 btif_hh_device_t *p_dev; 1658 int i; 1659 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1660 BTIF_TRACE_WARNING("%s: HH disabling or disabled already, status = %d", __FUNCTION__, btif_hh_cb.status); 1661 return; 1662 } 1663 btif_hh_cb.status = BTIF_HH_DISABLING; 1664 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1665 p_dev = &btif_hh_cb.devices[i]; 1666 if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->fd >= 0) { 1667 BTIF_TRACE_DEBUG("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 1668 bta_hh_co_destroy(p_dev->fd); 1669 p_dev->fd = -1; 1670 p_dev->hh_keep_polling = 0; 1671 p_dev->hh_poll_thread_id = -1; 1672 } 1673 } 1674 1675 if (bt_hh_callbacks) 1676 { 1677 btif_disable_service(BTA_HID_SERVICE_ID); 1678 bt_hh_callbacks = NULL; 1679 } 1680 1681} 1682 1683static const bthh_interface_t bthhInterface = { 1684 sizeof(bthhInterface), 1685 init, 1686 connect, 1687 disconnect, 1688 virtual_unplug, 1689 set_info, 1690 get_protocol, 1691 set_protocol, 1692// get_idle_time, 1693// set_idle_time, 1694 get_report, 1695 set_report, 1696 send_data, 1697 cleanup, 1698}; 1699 1700/******************************************************************************* 1701** 1702** Function btif_hh_execute_service 1703** 1704** Description Initializes/Shuts down the service 1705** 1706** Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise 1707** 1708*******************************************************************************/ 1709bt_status_t btif_hh_execute_service(BOOLEAN b_enable) 1710{ 1711 if (b_enable) 1712 { 1713 /* Enable and register with BTA-HH */ 1714 BTA_HhEnable(BTUI_HH_SECURITY, bte_hh_evt); 1715 } 1716 else { 1717 /* Disable HH */ 1718 BTA_HhDisable(); 1719 } 1720 return BT_STATUS_SUCCESS; 1721} 1722 1723/******************************************************************************* 1724** 1725** Function btif_hh_get_interface 1726** 1727** Description Get the hh callback interface 1728** 1729** Returns bthh_interface_t 1730** 1731*******************************************************************************/ 1732const bthh_interface_t *btif_hh_get_interface() 1733{ 1734 BTIF_TRACE_EVENT("%s", __FUNCTION__); 1735 return &bthhInterface; 1736} 1737