btif_hh.c revision 44802768c447ab480d4227b3a852a97d923b816d
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 "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_prev_keyevents=0; //The previous key events 71static int btif_hh_keylockstates=0; //The current key state of each key 72 73#define BTIF_HH_ID_1 0 74#define BTIF_HH_DEV_DISCONNECTED 3 75 76#define BTIF_TIMEOUT_VUP_SECS 3 77 78 79#ifndef BTUI_HH_SECURITY 80#define BTUI_HH_SECURITY (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT) 81#endif 82 83#ifndef BTUI_HH_MOUSE_SECURITY 84#define BTUI_HH_MOUSE_SECURITY (BTA_SEC_NONE) 85#endif 86 87/* HH request events */ 88typedef enum 89{ 90 BTIF_HH_CONNECT_REQ_EVT = 0, 91 BTIF_HH_DISCONNECT_REQ_EVT, 92 BTIF_HH_VUP_REQ_EVT 93} btif_hh_req_evt_t; 94 95 96/************************************************************************************ 97** Constants & Macros 98************************************************************************************/ 99#define BTIF_HH_SERVICES (BTA_HID_SERVICE_MASK) 100 101 102 103/************************************************************************************ 104** Local type definitions 105************************************************************************************/ 106 107typedef struct hid_kb_list 108{ 109 UINT16 product_id; 110 UINT16 version_id; 111 char* kb_name; 112} tHID_KB_LIST; 113 114/************************************************************************************ 115** Static variables 116************************************************************************************/ 117btif_hh_cb_t btif_hh_cb; 118 119static bthh_callbacks_t *bt_hh_callbacks = NULL; 120 121/* List of HID keyboards for which the NUMLOCK state needs to be 122 * turned ON by default. Add devices to this list to apply the 123 * NUMLOCK state toggle on fpr first connect.*/ 124static tHID_KB_LIST hid_kb_numlock_on_list[] = 125{ 126 {LOGITECH_KB_MX5500_PRODUCT_ID, 127 LOGITECH_KB_MX5500_VENDOR_ID, 128 "Logitech MX5500 Keyboard"} 129}; 130 131 132#define CHECK_BTHH_INIT() if (bt_hh_callbacks == NULL)\ 133 {\ 134 BTIF_TRACE_WARNING("BTHH: %s: BTHH not initialized", __FUNCTION__);\ 135 return BT_STATUS_NOT_READY;\ 136 }\ 137 else\ 138 {\ 139 BTIF_TRACE_EVENT("BTHH: %s", __FUNCTION__);\ 140 } 141 142 143 144/************************************************************************************ 145** Static functions 146************************************************************************************/ 147 148/************************************************************************************ 149** Externs 150************************************************************************************/ 151extern void bta_hh_co_destroy(int fd); 152extern void bta_hh_co_write(int fd, UINT8* rpt, UINT16 len); 153extern bt_status_t btif_dm_remove_bond(const bt_bdaddr_t *bd_addr); 154extern void bta_hh_co_send_hid_info(btif_hh_device_t *p_dev, char *dev_name, UINT16 vendor_id, 155 UINT16 product_id, UINT16 version, UINT8 ctry_code, 156 int dscp_len, UINT8 *p_dscp); 157extern BOOLEAN check_cod(const bt_bdaddr_t *remote_bdaddr, uint32_t cod); 158extern void btif_dm_cb_remove_bond(bt_bdaddr_t *bd_addr); 159extern BOOLEAN check_cod_hid(const bt_bdaddr_t *remote_bdaddr, uint32_t cod); 160extern int scru_ascii_2_hex(char *p_ascii, int len, UINT8 *p_hex); 161extern void btif_dm_hh_open_failed(bt_bdaddr_t *bdaddr); 162 163/***************************************************************************** 164** Local Function prototypes 165*****************************************************************************/ 166static void set_keylockstate(int keymask, BOOLEAN isSet); 167static void toggle_os_keylockstates(int fd, int changedkeystates); 168static void sync_lockstate_on_connect(btif_hh_device_t *p_dev); 169//static void hh_update_keyboard_lockstates(btif_hh_device_t *p_dev); 170void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle); 171 172 173/************************************************************************************ 174** Functions 175************************************************************************************/ 176 177static int get_keylockstates() 178{ 179 return btif_hh_keylockstates; 180} 181 182static void set_keylockstate(int keymask, BOOLEAN isSet) 183{ 184 if(isSet) 185 btif_hh_keylockstates |= keymask; 186} 187 188/******************************************************************************* 189** 190** Function toggle_os_keylockstates 191** 192** Description Function to toggle the keyboard lock states managed by the linux. 193** This function is used in by two call paths 194** (1) if the lock state change occurred from an onscreen keyboard, 195** this function is called to update the lock state maintained 196 for the HID keyboard(s) 197** (2) if a HID keyboard is disconnected and reconnected, 198** this function is called to update the lock state maintained 199 for the HID keyboard(s) 200** Returns void 201*******************************************************************************/ 202 203static void toggle_os_keylockstates(int fd, int changedlockstates) 204{ 205 BTIF_TRACE_EVENT("%s: fd = %d, changedlockstates = 0x%x", 206 __FUNCTION__, fd, changedlockstates); 207 UINT8 hidreport[9]; 208 int reportIndex; 209 memset(hidreport,0,9); 210 hidreport[0]=1; 211 reportIndex=4; 212 213 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_CAPSLOCK) { 214 BTIF_TRACE_DEBUG("%s Setting CAPSLOCK", __FUNCTION__); 215 hidreport[reportIndex++] = (UINT8)HID_REPORT_CAPSLOCK; 216 } 217 218 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_NUMLOCK) { 219 BTIF_TRACE_DEBUG("%s Setting NUMLOCK", __FUNCTION__); 220 hidreport[reportIndex++] = (UINT8)HID_REPORT_NUMLOCK; 221 } 222 223 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_SCROLLLOCK) { 224 BTIF_TRACE_DEBUG("%s Setting SCROLLLOCK", __FUNCTION__); 225 hidreport[reportIndex++] = (UINT8) HID_REPORT_SCROLLLOCK; 226 } 227 228 BTIF_TRACE_DEBUG("Writing hidreport #1 to os: "\ 229 "%s: %x %x %x", __FUNCTION__, 230 hidreport[0], hidreport[1], hidreport[2]); 231 BTIF_TRACE_DEBUG("%s: %x %x %x", __FUNCTION__, 232 hidreport[3], hidreport[4], hidreport[5]); 233 BTIF_TRACE_DEBUG("%s: %x %x %x", __FUNCTION__, 234 hidreport[6], hidreport[7], hidreport[8]); 235 bta_hh_co_write(fd , hidreport, sizeof(hidreport)); 236 usleep(200000); 237 memset(hidreport,0,9); 238 hidreport[0]=1; 239 BTIF_TRACE_DEBUG("Writing hidreport #2 to os: "\ 240 "%s: %x %x %x", __FUNCTION__, 241 hidreport[0], hidreport[1], hidreport[2]); 242 BTIF_TRACE_DEBUG("%s: %x %x %x", __FUNCTION__, 243 hidreport[3], hidreport[4], hidreport[5]); 244 BTIF_TRACE_DEBUG("%s: %x %x %x ", __FUNCTION__, 245 hidreport[6], hidreport[7], hidreport[8]); 246 bta_hh_co_write(fd , hidreport, sizeof(hidreport)); 247} 248 249/******************************************************************************* 250** 251** Function create_pbuf 252** 253** Description Helper function to create p_buf for send_data or set_report 254** 255*******************************************************************************/ 256static BT_HDR *create_pbuf(UINT16 len, UINT8 *data) 257{ 258 BT_HDR* p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 259 260 if (p_buf) { 261 UINT8* pbuf_data; 262 263 p_buf->len = len; 264 p_buf->offset = BTA_HH_MIN_OFFSET; 265 266 pbuf_data = (UINT8*) (p_buf + 1) + p_buf->offset; 267 memcpy(pbuf_data, data, len); 268 } 269 return p_buf; 270} 271 272/******************************************************************************* 273** 274** Function update_keyboard_lockstates 275** 276** Description Sends a report to the keyboard to set the lock states of keys 277** 278*******************************************************************************/ 279static void update_keyboard_lockstates(btif_hh_device_t *p_dev) 280{ 281 UINT8 len = 2; /* reportid + 1 byte report*/ 282 BD_ADDR* bda; 283 BT_HDR* p_buf; 284 UINT8 data[] = {0x01, /* report id */ 285 btif_hh_keylockstates}; /* keystate */ 286 287 /* Set report for other keyboards */ 288 BTIF_TRACE_EVENT("%s: setting report on dev_handle %d to 0x%x", 289 __FUNCTION__, p_dev->dev_handle, btif_hh_keylockstates); 290 291 /* Get SetReport buffer */ 292 p_buf = create_pbuf(len, data); 293 if (p_buf != NULL) { 294 p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 295 bda = (BD_ADDR*) (&p_dev->bd_addr); 296 BTA_HhSendData(p_dev->dev_handle, *bda, p_buf); 297 } 298} 299 300/******************************************************************************* 301** 302** Function sync_lockstate_on_connect 303** 304** Description Function to update the keyboard lock states managed by the OS 305** when a HID keyboard is connected or disconnected and reconnected 306** Returns void 307*******************************************************************************/ 308static void sync_lockstate_on_connect(btif_hh_device_t *p_dev) 309{ 310 int keylockstates; 311 312 BTIF_TRACE_EVENT("%s: Syncing keyboard lock states after "\ 313 "reconnect...",__FUNCTION__); 314 /*If the device is connected, update keyboard state */ 315 update_keyboard_lockstates(p_dev); 316 317 /*Check if the lockstate of caps,scroll,num is set. 318 If so, send a report to the kernel 319 so the lockstate is in sync */ 320 keylockstates = get_keylockstates(); 321 if (keylockstates) 322 { 323 BTIF_TRACE_DEBUG("%s: Sending hid report to kernel "\ 324 "indicating lock key state 0x%x",__FUNCTION__, 325 keylockstates); 326 usleep(200000); 327 toggle_os_keylockstates(p_dev->fd, keylockstates); 328 } 329 else 330 { 331 BTIF_TRACE_DEBUG("%s: NOT sending hid report to kernel "\ 332 "indicating lock key state 0x%x",__FUNCTION__, 333 keylockstates); 334 } 335} 336 337/******************************************************************************* 338** 339** Function btif_hh_find_connected_dev_by_handle 340** 341** Description Return the connected device pointer of the specified device handle 342** 343** Returns Device entry pointer in the device table 344*******************************************************************************/ 345btif_hh_device_t *btif_hh_find_connected_dev_by_handle(UINT8 handle) 346{ 347 UINT32 i; 348 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 349 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 350 btif_hh_cb.devices[i].dev_handle == handle) 351 { 352 return &btif_hh_cb.devices[i]; 353 } 354 } 355 return NULL; 356} 357 358/******************************************************************************* 359** 360** Function btif_hh_find_dev_by_bda 361** 362** Description Return the device pointer of the specified bt_bdaddr_t. 363** 364** Returns Device entry pointer in the device table 365*******************************************************************************/ 366static btif_hh_device_t *btif_hh_find_dev_by_bda(bt_bdaddr_t *bd_addr) 367{ 368 UINT32 i; 369 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 370 if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN && 371 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 372 { 373 return &btif_hh_cb.devices[i]; 374 } 375 } 376 return NULL; 377} 378 379/******************************************************************************* 380** 381** Function btif_hh_find_connected_dev_by_bda 382** 383** Description Return the connected device pointer of the specified bt_bdaddr_t. 384** 385** Returns Device entry pointer in the device table 386*******************************************************************************/ 387static btif_hh_device_t *btif_hh_find_connected_dev_by_bda(bt_bdaddr_t *bd_addr) 388{ 389 UINT32 i; 390 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 391 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 392 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 393 { 394 return &btif_hh_cb.devices[i]; 395 } 396 } 397 return NULL; 398} 399 400/******************************************************************************* 401** 402** Function btif_hh_stop_vup_timer 403** 404** Description stop vitual unplug timer 405** 406** Returns void 407*******************************************************************************/ 408void btif_hh_stop_vup_timer(bt_bdaddr_t *bd_addr) 409{ 410 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 411 if(p_dev != NULL) 412 { 413 if (p_dev->vup_timer_active) 414 { 415 BTIF_TRACE_DEBUG("stop VUP timer "); 416 btu_stop_timer(&p_dev->vup_timer); 417 } 418 p_dev->vup_timer_active = FALSE; 419 } 420} 421/******************************************************************************* 422** 423** Function btif_hh_start_vup_timer 424** 425** Description start virtual unplug timer 426** 427** Returns void 428*******************************************************************************/ 429void btif_hh_start_vup_timer(bt_bdaddr_t *bd_addr) 430{ 431 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 432 433 if (p_dev->vup_timer_active == FALSE) 434 { 435 BTIF_TRACE_DEBUG("Start VUP timer "); 436 memset(&p_dev->vup_timer, 0, sizeof(TIMER_LIST_ENT)); 437 p_dev->vup_timer.param = (UINT32)btif_hh_tmr_hdlr; 438 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 439 BTIF_TIMEOUT_VUP_SECS); 440 } 441 else 442 { 443 BTIF_TRACE_DEBUG("Restart VUP timer "); 444 btu_stop_timer(&p_dev->vup_timer); 445 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 446 BTIF_TIMEOUT_VUP_SECS); 447 } 448 p_dev->vup_timer_active = TRUE; 449 450} 451 452/******************************************************************************* 453** 454** Function btif_hh_add_added_dev 455** 456** Description Add a new device to the added device list. 457** 458** Returns TRUE if add successfully, otherwise FALSE. 459*******************************************************************************/ 460BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask) 461{ 462 int i; 463 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 464 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN) == 0) { 465 BTIF_TRACE_WARNING(" Device %02X:%02X:%02X:%02X:%02X:%02X already added", 466 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 467 return FALSE; 468 } 469 } 470 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 471 if (btif_hh_cb.added_devices[i].bd_addr.address[0] == 0 && 472 btif_hh_cb.added_devices[i].bd_addr.address[1] == 0 && 473 btif_hh_cb.added_devices[i].bd_addr.address[2] == 0 && 474 btif_hh_cb.added_devices[i].bd_addr.address[3] == 0 && 475 btif_hh_cb.added_devices[i].bd_addr.address[4] == 0 && 476 btif_hh_cb.added_devices[i].bd_addr.address[5] == 0) 477 { 478 BTIF_TRACE_WARNING(" Added device %02X:%02X:%02X:%02X:%02X:%02X", 479 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 480 memcpy(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN); 481 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 482 btif_hh_cb.added_devices[i].attr_mask = attr_mask; 483 return TRUE; 484 } 485 } 486 487 BTIF_TRACE_WARNING("%s: Error, out of space to add device",__FUNCTION__); 488 return FALSE; 489} 490 491/******************************************************************************* 492 ** 493 ** Function btif_hh_remove_device 494 ** 495 ** Description Remove an added device from the stack. 496 ** 497 ** Returns void 498 *******************************************************************************/ 499void btif_hh_remove_device(bt_bdaddr_t bd_addr) 500{ 501 int i; 502 btif_hh_device_t *p_dev; 503 btif_hh_added_device_t *p_added_dev; 504 505 LOG_INFO("%s: bda = %02x:%02x:%02x:%02x:%02x:%02x", __FUNCTION__, 506 bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]); 507 508 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 509 p_added_dev = &btif_hh_cb.added_devices[i]; 510 if (memcmp(&(p_added_dev->bd_addr),&bd_addr, 6) == 0) { 511 BTA_HhRemoveDev(p_added_dev->dev_handle); 512 btif_storage_remove_hid_info(&(p_added_dev->bd_addr)); 513 memset(&(p_added_dev->bd_addr), 0, 6); 514 p_added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 515 break; 516 } 517 } 518 519 p_dev = btif_hh_find_dev_by_bda(&bd_addr); 520 if (p_dev == NULL) { 521 BTIF_TRACE_WARNING(" Oops, can't find device [%02x:%02x:%02x:%02x:%02x:%02x]", 522 bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]); 523 return; 524 } 525 526 /* need to notify up-layer device is disconnected to avoid state out of sync with up-layer */ 527 HAL_CBACK(bt_hh_callbacks, connection_state_cb, &(p_dev->bd_addr), BTHH_CONN_STATE_DISCONNECTED); 528 529 p_dev->dev_status = BTHH_CONN_STATE_UNKNOWN; 530 p_dev->dev_handle = BTA_HH_INVALID_HANDLE; 531 if (btif_hh_cb.device_num > 0) { 532 btif_hh_cb.device_num--; 533 } 534 else { 535 BTIF_TRACE_WARNING("%s: device_num = 0", __FUNCTION__); 536 } 537 538 p_dev->hh_keep_polling = 0; 539 p_dev->hh_poll_thread_id = -1; 540 BTIF_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 541 if (p_dev->fd >= 0) { 542 bta_hh_co_destroy(p_dev->fd); 543 p_dev->fd = -1; 544 } 545} 546 547 548BOOLEAN btif_hh_copy_hid_info(tBTA_HH_DEV_DSCP_INFO* dest , tBTA_HH_DEV_DSCP_INFO* src) 549{ 550 dest->descriptor.dl_len = 0; 551 if (src->descriptor.dl_len >0) 552 { 553 dest->descriptor.dsc_list = (UINT8 *) GKI_getbuf(src->descriptor.dl_len); 554 if (dest->descriptor.dsc_list == NULL) 555 { 556 BTIF_TRACE_WARNING("%s: Failed to allocate DSCP for CB", __FUNCTION__); 557 return FALSE; 558 } 559 } 560 memcpy(dest->descriptor.dsc_list, src->descriptor.dsc_list, src->descriptor.dl_len); 561 dest->descriptor.dl_len = src->descriptor.dl_len; 562 dest->vendor_id = src->vendor_id; 563 dest->product_id = src->product_id; 564 dest->version = src->version; 565 dest->ctry_code = src->ctry_code; 566 dest->ssr_max_latency = src->ssr_max_latency; 567 dest->ssr_min_tout = src->ssr_min_tout; 568 return TRUE; 569} 570 571 572/******************************************************************************* 573** 574** Function btif_hh_virtual_unplug 575** 576** Description Virtual unplug initiated from the BTIF thread context 577** Special handling for HID mouse- 578** 579** Returns void 580** 581*******************************************************************************/ 582 583bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr) 584{ 585 BTIF_TRACE_DEBUG("%s", __FUNCTION__); 586 btif_hh_device_t *p_dev; 587 char bd_str[18]; 588 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 589 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 590 bd_addr->address[4], bd_addr->address[5]); 591 p_dev = btif_hh_find_dev_by_bda(bd_addr); 592 if ((p_dev != NULL) && (p_dev->dev_status == BTHH_CONN_STATE_CONNECTED) 593 && (p_dev->attr_mask & HID_VIRTUAL_CABLE)) 594 { 595 BTIF_TRACE_DEBUG("%s Sending BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG", __FUNCTION__); 596 /* start the timer */ 597 btif_hh_start_vup_timer(bd_addr); 598 p_dev->local_vup = TRUE; 599 BTA_HhSendCtrl(p_dev->dev_handle, BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG); 600 return BT_STATUS_SUCCESS; 601 } 602 else 603 { 604 BTIF_TRACE_ERROR("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 605 return BT_STATUS_FAIL; 606 } 607} 608 609/******************************************************************************* 610** 611** Function btif_hh_connect 612** 613** Description connection initiated from the BTIF thread context 614** 615** Returns int status 616** 617*******************************************************************************/ 618 619bt_status_t btif_hh_connect(bt_bdaddr_t *bd_addr) 620{ 621 btif_hh_device_t *dev; 622 btif_hh_added_device_t *added_dev = NULL; 623 char bda_str[20]; 624 int i; 625 BD_ADDR *bda = (BD_ADDR*)bd_addr; 626 tBTA_HH_CONN conn; 627 CHECK_BTHH_INIT(); 628 dev = btif_hh_find_dev_by_bda(bd_addr); 629 BTIF_TRACE_DEBUG("Connect _hh"); 630 sprintf(bda_str, "%02X:%02X:%02X:%02X:%02X:%02X", 631 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 632 if (dev == NULL && btif_hh_cb.device_num >= BTIF_HH_MAX_HID) { 633 // No space for more HID device now. 634 BTIF_TRACE_WARNING("%s: Error, exceeded the maximum supported HID device number %d", 635 __FUNCTION__, BTIF_HH_MAX_HID); 636 return BT_STATUS_FAIL; 637 } 638 639 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 640 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) { 641 added_dev = &btif_hh_cb.added_devices[i]; 642 BTIF_TRACE_WARNING("%s: Device %s already added, attr_mask = 0x%x", 643 __FUNCTION__, bda_str, added_dev->attr_mask); 644 } 645 } 646 647 if (added_dev != NULL) { 648 if (added_dev->dev_handle == BTA_HH_INVALID_HANDLE) { 649 // No space for more HID device now. 650 BTIF_TRACE_ERROR("%s: Error, device %s added but addition failed", __FUNCTION__, bda_str); 651 memset(&(added_dev->bd_addr), 0, 6); 652 added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 653 return BT_STATUS_FAIL; 654 } 655 } 656 657 if (added_dev == NULL || 658 (added_dev->attr_mask & HID_NORMALLY_CONNECTABLE) != 0 || 659 (added_dev->attr_mask & HID_RECONN_INIT) == 0) 660 { 661 tBTA_SEC sec_mask = BTUI_HH_SECURITY; 662 btif_hh_cb.status = BTIF_HH_DEV_CONNECTING; 663 BD_ADDR *bda = (BD_ADDR*)bd_addr; 664 BTA_HhOpen(*bda, BTA_HH_PROTO_RPT_MODE, sec_mask); 665 } 666 else 667 { 668 // This device shall be connected from the host side. 669 BTIF_TRACE_ERROR("%s: Error, device %s can only be reconnected from device side", 670 __FUNCTION__, bda_str); 671 return BT_STATUS_FAIL; 672 } 673 674 HAL_CBACK(bt_hh_callbacks, connection_state_cb, bd_addr, BTHH_CONN_STATE_CONNECTING); 675 return BT_STATUS_SUCCESS; 676} 677 678/******************************************************************************* 679** 680** Function btif_hh_disconnect 681** 682** Description disconnection initiated from the BTIF thread context 683** 684** Returns void 685** 686*******************************************************************************/ 687 688void btif_hh_disconnect(bt_bdaddr_t *bd_addr) 689{ 690 BD_ADDR *bda = (BD_ADDR*)bd_addr; 691 btif_hh_device_t *p_dev; 692 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 693 if (p_dev != NULL) 694 { 695 BTA_HhClose(p_dev->dev_handle); 696 } 697 else 698 BTIF_TRACE_DEBUG("%s-- Error: device not connected:",__FUNCTION__); 699} 700 701/******************************************************************************* 702** 703** Function btif_btif_hh_setreport 704** 705** Description setreport initiated from the BTIF thread context 706** 707** Returns void 708** 709*******************************************************************************/ 710void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type, UINT16 size, 711 UINT8* report) 712{ 713 BT_HDR* p_buf = create_pbuf(size, report); 714 if (p_buf == NULL) { 715 APPL_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, size = %d", __FUNCTION__, size); 716 return; 717 } 718 BTA_HhSetReport(p_dev->dev_handle, r_type, p_buf); 719} 720 721/***************************************************************************** 722** Section name (Group of functions) 723*****************************************************************************/ 724 725/***************************************************************************** 726** 727** btif hh api functions (no context switch) 728** 729*****************************************************************************/ 730 731 732/******************************************************************************* 733** 734** Function btif_hh_upstreams_evt 735** 736** Description Executes HH UPSTREAMS events in btif context 737** 738** Returns void 739** 740*******************************************************************************/ 741static void btif_hh_upstreams_evt(UINT16 event, char* p_param) 742{ 743 tBTA_HH *p_data = (tBTA_HH *)p_param; 744 bdstr_t bdstr; 745 btif_hh_device_t *p_dev = NULL; 746 int i; 747 int len, tmplen; 748 749 BTIF_TRACE_DEBUG("%s: event=%s", __FUNCTION__, dump_hh_event(event)); 750 751 switch (event) 752 { 753 case BTA_HH_ENABLE_EVT: 754 BTIF_TRACE_DEBUG("%s: BTA_HH_ENABLE_EVT: status =%d",__FUNCTION__, p_data->status); 755 if (p_data->status == BTA_HH_OK) { 756 btif_hh_cb.status = BTIF_HH_ENABLED; 757 BTIF_TRACE_DEBUG("%s--Loading added devices",__FUNCTION__); 758 /* Add hid descriptors for already bonded hid devices*/ 759 btif_storage_load_bonded_hid_info(); 760 } 761 else { 762 btif_hh_cb.status = BTIF_HH_DISABLED; 763 BTIF_TRACE_WARNING("BTA_HH_ENABLE_EVT: Error, HH enabling failed, status = %d", p_data->status); 764 } 765 break; 766 767 case BTA_HH_DISABLE_EVT: 768 btif_hh_cb.status = BTIF_HH_DISABLED; 769 if (p_data->status == BTA_HH_OK) { 770 int i; 771 //Clear the control block 772 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 773 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 774 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 775 } 776 } 777 else 778 BTIF_TRACE_WARNING("BTA_HH_DISABLE_EVT: Error, HH disabling failed, status = %d", p_data->status); 779 break; 780 781 case BTA_HH_OPEN_EVT: 782 BTIF_TRACE_WARNING("%s: BTA_HH_OPN_EVT: handle=%d, status =%d",__FUNCTION__, p_data->conn.handle, p_data->conn.status); 783 if (p_data->conn.status == BTA_HH_OK) { 784 p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 785 if (p_dev == NULL) { 786 BTIF_TRACE_WARNING("BTA_HH_OPEN_EVT: Error, cannot find device with handle %d", p_data->conn.handle); 787 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 788 // The connect request must come from device side and exceeded the connected 789 // HID device number. 790 BTA_HhClose(p_data->conn.handle); 791 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 792 } 793 else if (p_dev->fd < 0) { 794 BTIF_TRACE_WARNING("BTA_HH_OPEN_EVT: Error, failed to find the uhid driver..."); 795 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 796 //remove the connection and then try again to reconnect from the mouse side to recover 797 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 798 BTA_HhClose(p_data->conn.handle); 799 } 800 else { 801 BTIF_TRACE_WARNING("BTA_HH_OPEN_EVT: Found device...Getting dscp info for handle ... %d",p_data->conn.handle); 802 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 803 btif_hh_cb.status = BTIF_HH_DEV_CONNECTED; 804 // Send set_idle if the peer_device is a keyboard 805 if (check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_KEYBOARD )|| 806 check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_COMBO)) 807 BTA_HhSetIdle(p_data->conn.handle, 0); 808 btif_hh_cb.p_curr_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 809 BTA_HhGetDscpInfo(p_data->conn.handle); 810 p_dev->dev_status = BTHH_CONN_STATE_CONNECTED; 811 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 812 } 813 } 814 else { 815 bt_bdaddr_t *bdaddr = (bt_bdaddr_t*)p_data->conn.bda; 816 btif_dm_hh_open_failed(bdaddr); 817 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 818 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 819 } 820 break; 821 case BTA_HH_CLOSE_EVT: 822 BTIF_TRACE_DEBUG("BTA_HH_CLOSE_EVT: status = %d, handle = %d", 823 p_data->dev_status.status, p_data->dev_status.handle); 824 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 825 if (p_dev != NULL) { 826 BTIF_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 827 if(p_dev->vup_timer_active) 828 { 829 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 830 } 831 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 832 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 833 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 834 BTIF_TRACE_DEBUG("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 835 bta_hh_co_destroy(p_dev->fd); 836 p_dev->fd = -1; 837 } 838 else { 839 BTIF_TRACE_WARNING("Error: cannot find device with handle %d", p_data->dev_status.handle); 840 } 841 break; 842 case BTA_HH_GET_RPT_EVT: { 843 BT_HDR *hdr = p_data->hs_data.rsp_data.p_rpt_data; 844 UINT8 *data = NULL; 845 UINT16 len = 0; 846 847 BTIF_TRACE_DEBUG("BTA_HH_GET_RPT_EVT: status = %d, handle = %d", 848 p_data->hs_data.status, p_data->hs_data.handle); 849 p_dev = btif_hh_find_connected_dev_by_handle(p_data->hs_data.handle); 850 if (p_dev) { 851 /* p_rpt_data is NULL in HANDSHAKE response case */ 852 if (hdr) { 853 data = (UINT8 *)(hdr + 1) + hdr->offset; 854 len = hdr->len; 855 HAL_CBACK(bt_hh_callbacks, get_report_cb, 856 (bt_bdaddr_t*) &(p_dev->bd_addr), 857 (bthh_status_t) p_data->hs_data.status, data, len); 858 } else { 859 HAL_CBACK(bt_hh_callbacks, handshake_cb, 860 (bt_bdaddr_t*) &(p_dev->bd_addr), 861 (bthh_status_t) p_data->hs_data.status); 862 } 863 } else { 864 BTIF_TRACE_WARNING("Error: cannot find device with handle %d", p_data->hs_data.handle); 865 } 866 break; 867 } 868 case BTA_HH_SET_RPT_EVT: 869 BTIF_TRACE_DEBUG("BTA_HH_SET_RPT_EVT: status = %d, handle = %d", 870 p_data->dev_status.status, p_data->dev_status.handle); 871 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 872 if (p_dev != NULL) { 873 HAL_CBACK(bt_hh_callbacks, handshake_cb, 874 (bt_bdaddr_t*) &(p_dev->bd_addr), 875 (bthh_status_t) p_data->hs_data.status); 876 } 877 break; 878 879 case BTA_HH_GET_PROTO_EVT: 880 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 881 BTIF_TRACE_WARNING("BTA_HH_GET_PROTO_EVT: status = %d, handle = %d, proto = [%d], %s", 882 p_data->hs_data.status, p_data->hs_data.handle, 883 p_data->hs_data.rsp_data.proto_mode, 884 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE) ? "Report Mode" : 885 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_BOOT_MODE) ? "Boot Mode" : "Unsupported"); 886 if (p_data->hs_data.rsp_data.proto_mode != BTA_HH_PROTO_UNKNOWN) { 887 HAL_CBACK(bt_hh_callbacks, protocol_mode_cb, 888 (bt_bdaddr_t*) &(p_dev->bd_addr), 889 (bthh_status_t)p_data->hs_data.status, 890 (bthh_protocol_mode_t) p_data->hs_data.rsp_data.proto_mode); 891 } else { 892 HAL_CBACK(bt_hh_callbacks, handshake_cb, 893 (bt_bdaddr_t*) &(p_dev->bd_addr), 894 (bthh_status_t)p_data->hs_data.status); 895 } 896 break; 897 898 case BTA_HH_SET_PROTO_EVT: 899 BTIF_TRACE_DEBUG("BTA_HH_SET_PROTO_EVT: status = %d, handle = %d", 900 p_data->dev_status.status, p_data->dev_status.handle); 901 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 902 if (p_dev) { 903 HAL_CBACK(bt_hh_callbacks, handshake_cb, 904 (bt_bdaddr_t*)&(p_dev->bd_addr), 905 (bthh_status_t)p_data->hs_data.status); 906 } 907 break; 908 909 case BTA_HH_GET_IDLE_EVT: 910 BTIF_TRACE_DEBUG("BTA_HH_GET_IDLE_EVT: handle = %d, status = %d, rate = %d", 911 p_data->hs_data.handle, p_data->hs_data.status, 912 p_data->hs_data.rsp_data.idle_rate); 913 break; 914 915 case BTA_HH_SET_IDLE_EVT: 916 BTIF_TRACE_DEBUG("BTA_HH_SET_IDLE_EVT: status = %d, handle = %d", 917 p_data->dev_status.status, p_data->dev_status.handle); 918 break; 919 920 case BTA_HH_GET_DSCP_EVT: 921 len = p_data->dscp_info.descriptor.dl_len; 922 BTIF_TRACE_DEBUG("BTA_HH_GET_DSCP_EVT: len = %d", len); 923 p_dev = btif_hh_cb.p_curr_dev; 924 if (p_dev == NULL) { 925 BTIF_TRACE_ERROR("BTA_HH_GET_DSCP_EVT: No HID device is currently connected"); 926 return; 927 } 928 if (p_dev->fd < 0) { 929 LOG_ERROR("BTA_HH_GET_DSCP_EVT: Error, failed to find the uhid driver..."); 930 return; 931 } 932 { 933 char *cached_name = NULL; 934 bt_bdname_t bdname; 935 bt_property_t prop_name; 936 BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME, 937 sizeof(bt_bdname_t), &bdname); 938 if (btif_storage_get_remote_device_property( 939 &p_dev->bd_addr, &prop_name) == BT_STATUS_SUCCESS) 940 { 941 cached_name = (char *)bdname.name; 942 } 943 else 944 { 945 cached_name = "Bluetooth HID"; 946 } 947 948 BTIF_TRACE_WARNING("%s: name = %s", __FUNCTION__, cached_name); 949 bta_hh_co_send_hid_info(p_dev, cached_name, 950 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 951 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 952 len, p_data->dscp_info.descriptor.dsc_list); 953 if (btif_hh_add_added_dev(p_dev->bd_addr, p_dev->attr_mask)) { 954 BD_ADDR bda; 955 bdcpy(bda, p_dev->bd_addr.address); 956 tBTA_HH_DEV_DSCP_INFO dscp_info; 957 bt_status_t ret; 958 bdcpy(bda, p_dev->bd_addr.address); 959 btif_hh_copy_hid_info(&dscp_info, &p_data->dscp_info); 960 BTIF_TRACE_DEBUG("BTA_HH_GET_DSCP_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 961 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 962 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 963 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 964 BTA_HhAddDev(bda, p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, dscp_info); 965 // write hid info to nvram 966 ret = btif_storage_add_hid_device_info(&(p_dev->bd_addr), p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, 967 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 968 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 969 p_data->dscp_info.ssr_max_latency, p_data->dscp_info.ssr_min_tout, 970 len, p_data->dscp_info.descriptor.dsc_list); 971 972 ASSERTC(ret == BT_STATUS_SUCCESS, "storing hid info failed", ret); 973 BTIF_TRACE_WARNING("BTA_HH_GET_DSCP_EVT: Called add device"); 974 975 //Free buffer created for dscp_info; 976 if (dscp_info.descriptor.dl_len >0 && dscp_info.descriptor.dsc_list != NULL) 977 { 978 GKI_freebuf(dscp_info.descriptor.dsc_list); 979 dscp_info.descriptor.dsc_list = NULL; 980 dscp_info.descriptor.dl_len=0; 981 } 982 } 983 else { 984 //Device already added. 985 BTIF_TRACE_WARNING("%s: Device already added ",__FUNCTION__); 986 } 987 /*Sync HID Keyboard lockstates */ 988 tmplen = sizeof(hid_kb_numlock_on_list) 989 / sizeof(tHID_KB_LIST); 990 for(i = 0; i< tmplen; i++) 991 { 992 if(p_data->dscp_info.vendor_id 993 == hid_kb_numlock_on_list[i].version_id && 994 p_data->dscp_info.product_id 995 == hid_kb_numlock_on_list[i].product_id) 996 { 997 BTIF_TRACE_DEBUG("%s() idx[%d] Enabling "\ 998 "NUMLOCK for device :: %s", __FUNCTION__, 999 i, hid_kb_numlock_on_list[i].kb_name); 1000 /* Enable NUMLOCK by default so that numeric 1001 keys work from first keyboard connect */ 1002 set_keylockstate(BTIF_HH_KEYSTATE_MASK_NUMLOCK, 1003 TRUE); 1004 sync_lockstate_on_connect(p_dev); 1005 /* End Sync HID Keyboard lockstates */ 1006 break; 1007 } 1008 } 1009 } 1010 break; 1011 1012 case BTA_HH_ADD_DEV_EVT: 1013 BTIF_TRACE_WARNING("BTA_HH_ADD_DEV_EVT: status = %d, handle = %d",p_data->dev_info.status, p_data->dev_info.handle); 1014 int i; 1015 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 1016 if (memcmp(btif_hh_cb.added_devices[i].bd_addr.address, p_data->dev_info.bda, 6) == 0) { 1017 if (p_data->dev_info.status == BTA_HH_OK) { 1018 btif_hh_cb.added_devices[i].dev_handle = p_data->dev_info.handle; 1019 } 1020 else { 1021 memset(btif_hh_cb.added_devices[i].bd_addr.address, 0, 6); 1022 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 1023 } 1024 break; 1025 } 1026 } 1027 break; 1028 case BTA_HH_RMV_DEV_EVT: 1029 BTIF_TRACE_DEBUG("BTA_HH_RMV_DEV_EVT: status = %d, handle = %d", 1030 p_data->dev_info.status, p_data->dev_info.handle); 1031 BTIF_TRACE_DEBUG("BTA_HH_RMV_DEV_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1032 p_data->dev_info.bda[0], p_data->dev_info.bda[1], p_data->dev_info.bda[2], 1033 p_data->dev_info.bda[3], p_data->dev_info.bda[4], p_data->dev_info.bda[5]); 1034 break; 1035 1036 1037 case BTA_HH_VC_UNPLUG_EVT: 1038 BTIF_TRACE_DEBUG("BTA_HH_VC_UNPLUG_EVT: status = %d, handle = %d", 1039 p_data->dev_status.status, p_data->dev_status.handle); 1040 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 1041 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 1042 if (p_dev != NULL) { 1043 BTIF_TRACE_DEBUG("BTA_HH_VC_UNPLUG_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1044 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 1045 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 1046 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 1047 /* Stop the VUP timer */ 1048 if(p_dev->vup_timer_active) 1049 { 1050 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 1051 } 1052 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 1053 BTIF_TRACE_DEBUG("%s---Sending connection state change", __FUNCTION__); 1054 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 1055 BTIF_TRACE_DEBUG("%s---Removing HID bond", __FUNCTION__); 1056 /* If it is locally initiated VUP or remote device has its major COD as 1057 Peripheral removed the bond.*/ 1058 if (p_dev->local_vup || check_cod_hid(&(p_dev->bd_addr), COD_HID_MAJOR)) 1059 { 1060 p_dev->local_vup = FALSE; 1061 BTA_DmRemoveDevice((UINT8 *)p_dev->bd_addr.address); 1062 } 1063 else 1064 btif_hh_remove_device(p_dev->bd_addr); 1065 HAL_CBACK(bt_hh_callbacks, virtual_unplug_cb,&(p_dev->bd_addr), 1066 p_data->dev_status.status); 1067 } 1068 break; 1069 1070 case BTA_HH_API_ERR_EVT : 1071 LOG_INFO("BTA_HH API_ERR"); 1072 break; 1073 1074 1075 1076 default: 1077 BTIF_TRACE_WARNING("%s: Unhandled event: %d", __FUNCTION__, event); 1078 break; 1079 } 1080} 1081 1082/******************************************************************************* 1083** 1084** Function bte_hh_evt 1085** 1086** Description Switches context from BTE to BTIF for all HH events 1087** 1088** Returns void 1089** 1090*******************************************************************************/ 1091 1092static void bte_hh_evt(tBTA_HH_EVT event, tBTA_HH *p_data) 1093{ 1094 bt_status_t status; 1095 int param_len = 0; 1096 1097 if (BTA_HH_ENABLE_EVT == event) 1098 param_len = sizeof(tBTA_HH_STATUS); 1099 else if (BTA_HH_OPEN_EVT == event) 1100 param_len = sizeof(tBTA_HH_CONN); 1101 else if (BTA_HH_DISABLE_EVT == event) 1102 param_len = sizeof(tBTA_HH_STATUS); 1103 else if (BTA_HH_CLOSE_EVT == event) 1104 param_len = sizeof(tBTA_HH_CBDATA); 1105 else if (BTA_HH_GET_DSCP_EVT == event) 1106 param_len = sizeof(tBTA_HH_DEV_DSCP_INFO); 1107 else if ((BTA_HH_GET_PROTO_EVT == event) || (BTA_HH_GET_RPT_EVT == event)|| (BTA_HH_GET_IDLE_EVT == event)) 1108 param_len = sizeof(tBTA_HH_HSDATA); 1109 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)) 1110 param_len = sizeof(tBTA_HH_CBDATA); 1111 else if ((BTA_HH_ADD_DEV_EVT == event) || (BTA_HH_RMV_DEV_EVT == event) ) 1112 param_len = sizeof(tBTA_HH_DEV_INFO); 1113 else if (BTA_HH_API_ERR_EVT == event) 1114 param_len = 0; 1115 /* switch context to btif task context (copy full union size for convenience) */ 1116 status = btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)p_data, param_len, NULL); 1117 1118 /* catch any failed context transfers */ 1119 ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); 1120} 1121 1122/******************************************************************************* 1123** 1124** Function btif_hh_handle_evt 1125** 1126** Description Switches context for immediate callback 1127** 1128** Returns void 1129** 1130*******************************************************************************/ 1131 1132static void btif_hh_handle_evt(UINT16 event, char *p_param) 1133{ 1134 bt_bdaddr_t *bd_addr = (bt_bdaddr_t*)p_param; 1135 BTIF_TRACE_EVENT("%s: event=%d", __FUNCTION__, event); 1136 int ret; 1137 switch(event) 1138 { 1139 case BTIF_HH_CONNECT_REQ_EVT: 1140 { 1141 ret = btif_hh_connect(bd_addr); 1142 if(ret == BT_STATUS_SUCCESS) 1143 { 1144 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_CONNECTING); 1145 } 1146 else 1147 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTED); 1148 } 1149 break; 1150 1151 case BTIF_HH_DISCONNECT_REQ_EVT: 1152 { 1153 BTIF_TRACE_EVENT("%s: event=%d", __FUNCTION__, event); 1154 btif_hh_disconnect(bd_addr); 1155 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTING); 1156 } 1157 break; 1158 1159 case BTIF_HH_VUP_REQ_EVT: 1160 { 1161 BTIF_TRACE_EVENT("%s: event=%d", __FUNCTION__, event); 1162 ret = btif_hh_virtual_unplug(bd_addr); 1163 } 1164 break; 1165 1166 default: 1167 { 1168 BTIF_TRACE_WARNING("%s : Unknown event 0x%x", __FUNCTION__, event); 1169 } 1170 break; 1171 } 1172} 1173 1174/******************************************************************************* 1175** 1176** Function btif_hh_tmr_hdlr 1177** 1178** Description Process timer timeout 1179** 1180** Returns void 1181*******************************************************************************/ 1182void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle) 1183{ 1184 btif_hh_device_t *p_dev; 1185 UINT8 i,j; 1186 tBTA_HH_EVT event; 1187 tBTA_HH p_data; 1188 int param_len = 0; 1189 memset(&p_data, 0, sizeof(tBTA_HH)); 1190 1191 BTIF_TRACE_DEBUG("%s timer_in_use=%d", __FUNCTION__, tle->in_use ); 1192 1193 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1194 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED) 1195 { 1196 1197 p_dev = &btif_hh_cb.devices[i]; 1198 1199 if (p_dev->vup_timer_active) 1200 { 1201 p_dev->vup_timer_active = FALSE; 1202 event = BTA_HH_VC_UNPLUG_EVT; 1203 p_data.dev_status.status = BTHH_ERR; 1204 p_data.dev_status.handle = p_dev->dev_handle; 1205 param_len = sizeof(tBTA_HH_CBDATA); 1206 1207 /* switch context to btif task context */ 1208 btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)&p_data, 1209 param_len, NULL); 1210 } 1211 } 1212 } 1213} 1214 1215/******************************************************************************* 1216** 1217** Function btif_hh_init 1218** 1219** Description initializes the hh interface 1220** 1221** Returns bt_status_t 1222** 1223*******************************************************************************/ 1224static bt_status_t init( bthh_callbacks_t* callbacks ) 1225{ 1226 UINT32 i; 1227 BTIF_TRACE_EVENT("%s", __FUNCTION__); 1228 1229 bt_hh_callbacks = callbacks; 1230 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 1231 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 1232 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 1233 } 1234 /* Invoke the enable service API to the core to set the appropriate service_id */ 1235 btif_enable_service(BTA_HID_SERVICE_ID); 1236 return BT_STATUS_SUCCESS; 1237} 1238 1239/******************************************************************************* 1240** 1241** Function connect 1242** 1243** Description connect to hid device 1244** 1245** Returns bt_status_t 1246** 1247*******************************************************************************/ 1248static bt_status_t connect( bt_bdaddr_t *bd_addr) 1249{ 1250 if(btif_hh_cb.status != BTIF_HH_DEV_CONNECTING) 1251 { 1252 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_CONNECT_REQ_EVT, 1253 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1254 return BT_STATUS_SUCCESS; 1255 } 1256 else 1257 return BT_STATUS_BUSY; 1258} 1259 1260/******************************************************************************* 1261** 1262** Function disconnect 1263** 1264** Description disconnect from hid device 1265** 1266** Returns bt_status_t 1267** 1268*******************************************************************************/ 1269static bt_status_t disconnect( bt_bdaddr_t *bd_addr ) 1270{ 1271 CHECK_BTHH_INIT(); 1272 btif_hh_device_t *p_dev; 1273 1274 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1275 { 1276 BTIF_TRACE_WARNING("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1277 return BT_STATUS_FAIL; 1278 } 1279 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1280 if (p_dev != NULL) 1281 { 1282 return btif_transfer_context(btif_hh_handle_evt, BTIF_HH_DISCONNECT_REQ_EVT, 1283 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1284 } 1285 else 1286 { 1287 BTIF_TRACE_WARNING("%s: Error, device not opened.", __FUNCTION__); 1288 return BT_STATUS_FAIL; 1289 } 1290} 1291 1292/******************************************************************************* 1293** 1294** Function virtual_unplug 1295** 1296** Description Virtual UnPlug (VUP) the specified HID device. 1297** 1298** Returns bt_status_t 1299** 1300*******************************************************************************/ 1301static bt_status_t virtual_unplug (bt_bdaddr_t *bd_addr) 1302{ 1303 CHECK_BTHH_INIT(); 1304 btif_hh_device_t *p_dev; 1305 char bd_str[18]; 1306 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 1307 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 1308 bd_addr->address[4], bd_addr->address[5]); 1309 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1310 { 1311 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1312 return BT_STATUS_FAIL; 1313 } 1314 p_dev = btif_hh_find_dev_by_bda(bd_addr); 1315 if (!p_dev) 1316 { 1317 BTIF_TRACE_ERROR("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 1318 return BT_STATUS_FAIL; 1319 } 1320 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_VUP_REQ_EVT, 1321 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1322 return BT_STATUS_SUCCESS; 1323} 1324 1325 1326/******************************************************************************* 1327** 1328** Function set_info 1329** 1330** Description Set the HID device descriptor for the specified HID device. 1331** 1332** Returns bt_status_t 1333** 1334*******************************************************************************/ 1335static bt_status_t set_info (bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info ) 1336{ 1337 CHECK_BTHH_INIT(); 1338 tBTA_HH_DEV_DSCP_INFO dscp_info; 1339 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1340 1341 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1342 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1343 BTIF_TRACE_DEBUG("%s: sub_class = 0x%02x, app_id = %d, vendor_id = 0x%04x, " 1344 "product_id = 0x%04x, version= 0x%04x", 1345 __FUNCTION__, hid_info.sub_class, 1346 hid_info.app_id, hid_info.vendor_id, hid_info.product_id, 1347 hid_info.version); 1348 1349 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1350 { 1351 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1352 return BT_STATUS_FAIL; 1353 } 1354 1355 dscp_info.vendor_id = hid_info.vendor_id; 1356 dscp_info.product_id = hid_info.product_id; 1357 dscp_info.version = hid_info.version; 1358 dscp_info.ctry_code = hid_info.ctry_code; 1359 1360 dscp_info.descriptor.dl_len = hid_info.dl_len; 1361 dscp_info.descriptor.dsc_list = (UINT8 *) GKI_getbuf(dscp_info.descriptor.dl_len); 1362 if (dscp_info.descriptor.dsc_list == NULL) 1363 { 1364 LOG_ERROR("%s: Failed to allocate DSCP for CB", __FUNCTION__); 1365 return BT_STATUS_FAIL; 1366 } 1367 memcpy(dscp_info.descriptor.dsc_list, &(hid_info.dsc_list), hid_info.dl_len); 1368 1369 if (btif_hh_add_added_dev(*bd_addr, hid_info.attr_mask)) 1370 { 1371 BTA_HhAddDev(*bda, hid_info.attr_mask, hid_info.sub_class, 1372 hid_info.app_id, dscp_info); 1373 } 1374 1375 GKI_freebuf(dscp_info.descriptor.dsc_list); 1376 1377 return BT_STATUS_SUCCESS; 1378} 1379 1380/******************************************************************************* 1381** 1382** Function get_protocol 1383** 1384** Description Get the HID proto mode. 1385** 1386** Returns bt_status_t 1387** 1388*******************************************************************************/ 1389static bt_status_t get_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1390{ 1391 CHECK_BTHH_INIT(); 1392 btif_hh_device_t *p_dev; 1393 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1394 UNUSED(protocolMode); 1395 1396 BTIF_TRACE_DEBUG(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1397 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1398 1399 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1400 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1401 return BT_STATUS_FAIL; 1402 } 1403 1404 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1405 if (p_dev != NULL) { 1406 1407 BTA_HhGetProtoMode(p_dev->dev_handle); 1408 } 1409 else { 1410 return BT_STATUS_FAIL; 1411 } 1412 return BT_STATUS_SUCCESS; 1413} 1414 1415/******************************************************************************* 1416** 1417** Function set_protocol 1418** 1419** Description Set the HID proto mode. 1420** 1421** Returns bt_status_t 1422** 1423*******************************************************************************/ 1424static bt_status_t set_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1425{ 1426 CHECK_BTHH_INIT(); 1427 btif_hh_device_t *p_dev; 1428 UINT8 proto_mode = protocolMode; 1429 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1430 1431 BTIF_TRACE_DEBUG("%s:proto_mode = %d", __FUNCTION__,protocolMode); 1432 1433 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1434 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1435 1436 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1437 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1438 return BT_STATUS_FAIL; 1439 } 1440 1441 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1442 if (p_dev == NULL) { 1443 BTIF_TRACE_WARNING(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1444 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1445 return BT_STATUS_FAIL; 1446 } 1447 else if (protocolMode != BTA_HH_PROTO_RPT_MODE && protocolMode != BTA_HH_PROTO_BOOT_MODE) { 1448 BTIF_TRACE_WARNING("s: Error, device proto_mode = %d.", __FUNCTION__, proto_mode); 1449 return BT_STATUS_FAIL; 1450 } 1451 else { 1452 BTA_HhSetProtoMode(p_dev->dev_handle, protocolMode); 1453 } 1454 1455 1456 return BT_STATUS_SUCCESS; 1457} 1458 1459/******************************************************************************* 1460** 1461** Function get_report 1462** 1463** Description Send a GET_REPORT to HID device. 1464** 1465** Returns bt_status_t 1466** 1467*******************************************************************************/ 1468static bt_status_t get_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize) 1469{ 1470 CHECK_BTHH_INIT(); 1471 btif_hh_device_t *p_dev; 1472 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1473 1474 BTIF_TRACE_DEBUG("%s:proto_mode = %dr_type = %d, rpt_id = %d, buf_size = %d", __FUNCTION__, 1475 reportType, reportId, bufferSize); 1476 1477 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1478 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1479 1480 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1481 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1482 return BT_STATUS_FAIL; 1483 } 1484 1485 1486 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1487 if (p_dev == NULL) { 1488 BTIF_TRACE_ERROR("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1489 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1490 return BT_STATUS_FAIL; 1491 } 1492 else if ( ((int) reportType) <= BTA_HH_RPTT_RESRV || ((int) reportType) > BTA_HH_RPTT_FEATURE) { 1493 BTIF_TRACE_ERROR(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1494 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1495 return BT_STATUS_FAIL; 1496 } 1497 else { 1498 BTA_HhGetReport(p_dev->dev_handle, reportType, 1499 reportId, bufferSize); 1500 } 1501 1502 return BT_STATUS_SUCCESS; 1503} 1504 1505/******************************************************************************* 1506** 1507** Function set_report 1508** 1509** Description Send a SET_REPORT to HID device. 1510** 1511** Returns bt_status_t 1512** 1513*******************************************************************************/ 1514static bt_status_t set_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report) 1515{ 1516 CHECK_BTHH_INIT(); 1517 btif_hh_device_t *p_dev; 1518 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1519 1520 BTIF_TRACE_DEBUG("%s:reportType = %d", __FUNCTION__,reportType); 1521 1522 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1523 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1524 1525 1526 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1527 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1528 return BT_STATUS_FAIL; 1529 } 1530 1531 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1532 if (p_dev == NULL) { 1533 BTIF_TRACE_ERROR("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1534 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1535 return BT_STATUS_FAIL; 1536 } 1537 else if ( ( (int) reportType) <= BTA_HH_RPTT_RESRV || ( (int) reportType) > BTA_HH_RPTT_FEATURE) { 1538 BTIF_TRACE_ERROR(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1539 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1540 return BT_STATUS_FAIL; 1541 } 1542 else { 1543 int hex_bytes_filled; 1544 UINT8 *hexbuf; 1545 UINT16 len = (strlen(report) + 1) / 2; 1546 1547 hexbuf = GKI_getbuf(len); 1548 if (hexbuf == NULL) { 1549 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1550 __FUNCTION__, len); 1551 return BT_STATUS_FAIL; 1552 } 1553 1554 /* Build a SetReport data buffer */ 1555 memset(hexbuf, 0, len); 1556 //TODO 1557 hex_bytes_filled = ascii_2_hex(report, len, hexbuf); 1558 LOG_INFO("Hex bytes filled, hex value: %d", hex_bytes_filled); 1559 if (hex_bytes_filled) { 1560 BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf); 1561 if (p_buf == NULL) { 1562 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1563 __FUNCTION__, hex_bytes_filled); 1564 GKI_freebuf(hexbuf); 1565 return BT_STATUS_FAIL; 1566 } 1567 BTA_HhSetReport(p_dev->dev_handle, reportType, p_buf); 1568 GKI_freebuf(hexbuf); 1569 return BT_STATUS_SUCCESS; 1570 } 1571 GKI_freebuf(hexbuf); 1572 return BT_STATUS_FAIL; 1573 } 1574} 1575 1576/******************************************************************************* 1577** 1578** Function send_data 1579** 1580** Description Send a SEND_DATA to HID device. 1581** 1582** Returns bt_status_t 1583** 1584*******************************************************************************/ 1585static bt_status_t send_data (bt_bdaddr_t *bd_addr, char* data) 1586{ 1587 CHECK_BTHH_INIT(); 1588 btif_hh_device_t *p_dev; 1589 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1590 1591 BTIF_TRACE_DEBUG("%s", __FUNCTION__); 1592 1593 BTIF_TRACE_DEBUG("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1594 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1595 1596 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1597 BTIF_TRACE_ERROR("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1598 return BT_STATUS_FAIL; 1599 } 1600 1601 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1602 if (p_dev == NULL) { 1603 BTIF_TRACE_ERROR("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1604 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1605 return BT_STATUS_FAIL; 1606 } 1607 1608 else { 1609 int hex_bytes_filled; 1610 UINT8 *hexbuf; 1611 UINT16 len = (strlen(data) + 1) / 2; 1612 1613 hexbuf = GKI_getbuf(len); 1614 if (hexbuf == NULL) { 1615 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1616 __FUNCTION__, len); 1617 return BT_STATUS_FAIL; 1618 } 1619 1620 /* Build a SendData data buffer */ 1621 memset(hexbuf, 0, len); 1622 hex_bytes_filled = ascii_2_hex(data, len, hexbuf); 1623 BTIF_TRACE_ERROR("Hex bytes filled, hex value: %d, %d", hex_bytes_filled, len); 1624 1625 if (hex_bytes_filled) { 1626 BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf); 1627 if (p_buf == NULL) { 1628 BTIF_TRACE_ERROR("%s: Error, failed to allocate RPT buffer, len = %d", 1629 __FUNCTION__, hex_bytes_filled); 1630 GKI_freebuf(hexbuf); 1631 return BT_STATUS_FAIL; 1632 } 1633 p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 1634 BTA_HhSendData(p_dev->dev_handle, *bda, p_buf); 1635 GKI_freebuf(hexbuf); 1636 return BT_STATUS_SUCCESS; 1637 } 1638 GKI_freebuf(hexbuf); 1639 return BT_STATUS_FAIL; 1640 } 1641} 1642 1643 1644/******************************************************************************* 1645** 1646** Function cleanup 1647** 1648** Description Closes the HH interface 1649** 1650** Returns bt_status_t 1651** 1652*******************************************************************************/ 1653static void cleanup( void ) 1654{ 1655 BTIF_TRACE_EVENT("%s", __FUNCTION__); 1656 btif_hh_device_t *p_dev; 1657 int i; 1658 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1659 BTIF_TRACE_WARNING("%s: HH disabling or disabled already, status = %d", __FUNCTION__, btif_hh_cb.status); 1660 return; 1661 } 1662 btif_hh_cb.status = BTIF_HH_DISABLING; 1663 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1664 p_dev = &btif_hh_cb.devices[i]; 1665 if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->fd >= 0) { 1666 BTIF_TRACE_DEBUG("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 1667 bta_hh_co_destroy(p_dev->fd); 1668 p_dev->fd = -1; 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