btif_hh.c revision 41b33913995e5baf53461fe50f836717c2a47db9
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_WARNING1("BTHH: %s: BTHH not initialized", __FUNCTION__);\ 136 return BT_STATUS_NOT_READY;\ 137 }\ 138 else\ 139 {\ 140 BTIF_TRACE_EVENT1("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_EVENT3("%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_DEBUG1("%s Setting CAPSLOCK", __FUNCTION__); 216 hidreport[reportIndex++] = (UINT8)HID_REPORT_CAPSLOCK; 217 } 218 219 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_NUMLOCK) { 220 BTIF_TRACE_DEBUG1("%s Setting NUMLOCK", __FUNCTION__); 221 hidreport[reportIndex++] = (UINT8)HID_REPORT_NUMLOCK; 222 } 223 224 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_SCROLLLOCK) { 225 BTIF_TRACE_DEBUG1("%s Setting SCROLLLOCK", __FUNCTION__); 226 hidreport[reportIndex++] = (UINT8) HID_REPORT_SCROLLLOCK; 227 } 228 229 BTIF_TRACE_DEBUG4("Writing hidreport #1 to os: "\ 230 "%s: %x %x %x", __FUNCTION__, 231 hidreport[0], hidreport[1], hidreport[2]); 232 BTIF_TRACE_DEBUG4("%s: %x %x %x", __FUNCTION__, 233 hidreport[3], hidreport[4], hidreport[5]); 234 BTIF_TRACE_DEBUG4("%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_DEBUG4("Writing hidreport #2 to os: "\ 241 "%s: %x %x %x", __FUNCTION__, 242 hidreport[0], hidreport[1], hidreport[2]); 243 BTIF_TRACE_DEBUG4("%s: %x %x %x", __FUNCTION__, 244 hidreport[3], hidreport[4], hidreport[5]); 245 BTIF_TRACE_DEBUG4("%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 update_keyboard_lockstates 253** 254** Description Sends a report to the keyboard to set the lock states of keys 255** 256*******************************************************************************/ 257static void update_keyboard_lockstates(btif_hh_device_t *p_dev) 258{ 259 UINT8 len = 2; /* reportid + 1 byte report*/ 260 BD_ADDR* bda; 261 262 /* Set report for other keyboards */ 263 BTIF_TRACE_EVENT3("%s: setting report on dev_handle %d to 0x%x", 264 __FUNCTION__, p_dev->dev_handle, btif_hh_keylockstates); 265 266 if (p_dev->p_buf != NULL) { 267 GKI_freebuf(p_dev->p_buf); 268 } 269 /* Get SetReport buffer */ 270 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + 271 sizeof(BT_HDR))); 272 if (p_dev->p_buf != NULL) { 273 p_dev->p_buf->len = len; 274 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 275 p_dev->p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 276 277 /* LED status updated by data event */ 278 UINT8 *pbuf_data = (UINT8 *)(p_dev->p_buf + 1) 279 + p_dev->p_buf->offset; 280 pbuf_data[0]=0x01; /*report id */ 281 pbuf_data[1]=btif_hh_keylockstates; /*keystate*/ 282 bda = (BD_ADDR*) (&p_dev->bd_addr); 283 BTA_HhSendData(p_dev->dev_handle, *bda, 284 p_dev->p_buf); 285 } 286} 287 288/******************************************************************************* 289** 290** Function sync_lockstate_on_connect 291** 292** Description Function to update the keyboard lock states managed by the OS 293** when a HID keyboard is connected or disconnected and reconnected 294** Returns void 295*******************************************************************************/ 296static void sync_lockstate_on_connect(btif_hh_device_t *p_dev) 297{ 298 int keylockstates; 299 300 BTIF_TRACE_EVENT1("%s: Syncing keyboard lock states after "\ 301 "reconnect...",__FUNCTION__); 302 /*If the device is connected, update keyboard state */ 303 update_keyboard_lockstates(p_dev); 304 305 /*Check if the lockstate of caps,scroll,num is set. 306 If so, send a report to the kernel 307 so the lockstate is in sync */ 308 keylockstates = get_keylockstates(); 309 if (keylockstates) 310 { 311 BTIF_TRACE_DEBUG2("%s: Sending hid report to kernel "\ 312 "indicating lock key state 0x%x",__FUNCTION__, 313 keylockstates); 314 usleep(200000); 315 toggle_os_keylockstates(p_dev->fd, keylockstates); 316 } 317 else 318 { 319 BTIF_TRACE_DEBUG2("%s: NOT sending hid report to kernel "\ 320 "indicating lock key state 0x%x",__FUNCTION__, 321 keylockstates); 322 } 323} 324 325/******************************************************************************* 326** 327** Function btif_hh_find_dev_by_handle 328** 329** Description Return the device pointer of the specified device handle 330** 331** Returns Device entry pointer in the device table 332*******************************************************************************/ 333static btif_hh_device_t *btif_hh_find_dev_by_handle(UINT8 handle) 334{ 335 UINT32 i; 336 // LOGV("%s: handle = %d", __FUNCTION__, handle); 337 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 338 if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN && 339 btif_hh_cb.devices[i].dev_handle == handle) 340 { 341 return &btif_hh_cb.devices[i]; 342 } 343 } 344 return NULL; 345} 346 347 348/******************************************************************************* 349** 350** Function btif_hh_find_connected_dev_by_handle 351** 352** Description Return the connected device pointer of the specified device handle 353** 354** Returns Device entry pointer in the device table 355*******************************************************************************/ 356btif_hh_device_t *btif_hh_find_connected_dev_by_handle(UINT8 handle) 357{ 358 UINT32 i; 359 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 360 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 361 btif_hh_cb.devices[i].dev_handle == handle) 362 { 363 return &btif_hh_cb.devices[i]; 364 } 365 } 366 return NULL; 367} 368 369/******************************************************************************* 370** 371** Function btif_hh_find_dev_by_bda 372** 373** Description Return the device pointer of the specified bt_bdaddr_t. 374** 375** Returns Device entry pointer in the device table 376*******************************************************************************/ 377static btif_hh_device_t *btif_hh_find_dev_by_bda(bt_bdaddr_t *bd_addr) 378{ 379 UINT32 i; 380 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 381 if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN && 382 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 383 { 384 return &btif_hh_cb.devices[i]; 385 } 386 } 387 return NULL; 388} 389 390/******************************************************************************* 391** 392** Function btif_hh_find_connected_dev_by_bda 393** 394** Description Return the connected device pointer of the specified bt_bdaddr_t. 395** 396** Returns Device entry pointer in the device table 397*******************************************************************************/ 398static btif_hh_device_t *btif_hh_find_connected_dev_by_bda(bt_bdaddr_t *bd_addr) 399{ 400 UINT32 i; 401 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 402 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 403 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 404 { 405 return &btif_hh_cb.devices[i]; 406 } 407 } 408 return NULL; 409} 410 411/******************************************************************************* 412** 413** Function btif_hh_stop_vup_timer 414** 415** Description stop vitual unplug timer 416** 417** Returns void 418*******************************************************************************/ 419void btif_hh_stop_vup_timer(bt_bdaddr_t *bd_addr) 420{ 421 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 422 if(p_dev != NULL) 423 { 424 if (p_dev->vup_timer_active) 425 { 426 BTIF_TRACE_DEBUG0("stop VUP timer "); 427 btu_stop_timer(&p_dev->vup_timer); 428 } 429 p_dev->vup_timer_active = FALSE; 430 } 431} 432/******************************************************************************* 433** 434** Function btif_hh_start_vup_timer 435** 436** Description start virtual unplug timer 437** 438** Returns void 439*******************************************************************************/ 440void btif_hh_start_vup_timer(bt_bdaddr_t *bd_addr) 441{ 442 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 443 444 if (p_dev->vup_timer_active == FALSE) 445 { 446 BTIF_TRACE_DEBUG0("Start VUP timer "); 447 memset(&p_dev->vup_timer, 0, sizeof(TIMER_LIST_ENT)); 448 p_dev->vup_timer.param = (UINT32)btif_hh_tmr_hdlr; 449 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 450 BTIF_TIMEOUT_VUP_SECS); 451 } 452 else 453 { 454 BTIF_TRACE_DEBUG0("Restart VUP timer "); 455 btu_stop_timer(&p_dev->vup_timer); 456 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 457 BTIF_TIMEOUT_VUP_SECS); 458 } 459 p_dev->vup_timer_active = TRUE; 460 461} 462 463/******************************************************************************* 464** 465** Function btif_hh_add_added_dev 466** 467** Description Add a new device to the added device list. 468** 469** Returns TRUE if add successfully, otherwise FALSE. 470*******************************************************************************/ 471BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask) 472{ 473 int i; 474 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 475 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN) == 0) { 476 BTIF_TRACE_WARNING6(" Device %02X:%02X:%02X:%02X:%02X:%02X already added", 477 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 478 return FALSE; 479 } 480 } 481 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 482 if (btif_hh_cb.added_devices[i].bd_addr.address[0] == 0 && 483 btif_hh_cb.added_devices[i].bd_addr.address[1] == 0 && 484 btif_hh_cb.added_devices[i].bd_addr.address[2] == 0 && 485 btif_hh_cb.added_devices[i].bd_addr.address[3] == 0 && 486 btif_hh_cb.added_devices[i].bd_addr.address[4] == 0 && 487 btif_hh_cb.added_devices[i].bd_addr.address[5] == 0) 488 { 489 BTIF_TRACE_WARNING6(" Added device %02X:%02X:%02X:%02X:%02X:%02X", 490 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 491 memcpy(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN); 492 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 493 btif_hh_cb.added_devices[i].attr_mask = attr_mask; 494 return TRUE; 495 } 496 } 497 498 BTIF_TRACE_WARNING1("%s: Error, out of space to add device",__FUNCTION__); 499 return FALSE; 500} 501 502/******************************************************************************* 503 ** 504 ** Function btif_hh_remove_device 505 ** 506 ** Description Remove an added device from the stack. 507 ** 508 ** Returns void 509 *******************************************************************************/ 510void btif_hh_remove_device(bt_bdaddr_t bd_addr) 511{ 512 int i; 513 btif_hh_device_t *p_dev; 514 btif_hh_added_device_t *p_added_dev; 515 516 ALOGI("%s: bda = %02x:%02x:%02x:%02x:%02x:%02x", __FUNCTION__, 517 bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]); 518 519 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 520 p_added_dev = &btif_hh_cb.added_devices[i]; 521 if (memcmp(&(p_added_dev->bd_addr),&bd_addr, 6) == 0) { 522 BTA_HhRemoveDev(p_added_dev->dev_handle); 523 btif_storage_remove_hid_info(&(p_added_dev->bd_addr)); 524 memset(&(p_added_dev->bd_addr), 0, 6); 525 p_added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 526 break; 527 } 528 } 529 530 p_dev = btif_hh_find_dev_by_bda(&bd_addr); 531 if (p_dev == NULL) { 532 BTIF_TRACE_WARNING6(" Oops, can't find device [%02x:%02x:%02x:%02x:%02x:%02x]", 533 bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]); 534 return; 535 } 536 537 /* need to notify up-layer device is disconnected to avoid state out of sync with up-layer */ 538 HAL_CBACK(bt_hh_callbacks, connection_state_cb, &(p_dev->bd_addr), BTHH_CONN_STATE_DISCONNECTED); 539 540 p_dev->dev_status = BTHH_CONN_STATE_UNKNOWN; 541 p_dev->dev_handle = BTA_HH_INVALID_HANDLE; 542 if (btif_hh_cb.device_num > 0) { 543 btif_hh_cb.device_num--; 544 } 545 else { 546 BTIF_TRACE_WARNING1("%s: device_num = 0", __FUNCTION__); 547 } 548 if (p_dev->p_buf != NULL) { 549 GKI_freebuf(p_dev->p_buf); 550 p_dev->p_buf = NULL; 551 } 552 553 p_dev->hh_keep_polling = 0; 554 p_dev->hh_poll_thread_id = -1; 555 BTIF_TRACE_DEBUG2("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 556 if (p_dev->fd >= 0) { 557 bta_hh_co_destroy(p_dev->fd); 558 p_dev->fd = -1; 559 } 560} 561 562 563BOOLEAN btif_hh_copy_hid_info(tBTA_HH_DEV_DSCP_INFO* dest , tBTA_HH_DEV_DSCP_INFO* src) 564{ 565 dest->descriptor.dl_len = 0; 566 if (src->descriptor.dl_len >0) 567 { 568 dest->descriptor.dsc_list = (UINT8 *) GKI_getbuf(src->descriptor.dl_len); 569 if (dest->descriptor.dsc_list == NULL) 570 { 571 BTIF_TRACE_WARNING1("%s: Failed to allocate DSCP for CB", __FUNCTION__); 572 return FALSE; 573 } 574 } 575 memcpy(dest->descriptor.dsc_list, src->descriptor.dsc_list, src->descriptor.dl_len); 576 dest->descriptor.dl_len = src->descriptor.dl_len; 577 dest->vendor_id = src->vendor_id; 578 dest->product_id = src->product_id; 579 dest->version = src->version; 580 dest->ctry_code = src->ctry_code; 581 return TRUE; 582} 583 584 585/******************************************************************************* 586** 587** Function btif_hh_virtual_unplug 588** 589** Description Virtual unplug initiated from the BTIF thread context 590** Special handling for HID mouse- 591** 592** Returns void 593** 594*******************************************************************************/ 595 596bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr) 597{ 598 BTIF_TRACE_DEBUG1("%s", __FUNCTION__); 599 btif_hh_device_t *p_dev; 600 char bd_str[18]; 601 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 602 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 603 bd_addr->address[4], bd_addr->address[5]); 604 p_dev = btif_hh_find_dev_by_bda(bd_addr); 605 if ((p_dev != NULL) && (p_dev->dev_status == BTHH_CONN_STATE_CONNECTED) 606 && (p_dev->attr_mask & HID_VIRTUAL_CABLE)) 607 { 608 BTIF_TRACE_DEBUG1("%s Sending BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG", __FUNCTION__); 609 /* start the timer */ 610 btif_hh_start_vup_timer(bd_addr); 611 p_dev->local_vup = TRUE; 612 BTA_HhSendCtrl(p_dev->dev_handle, BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG); 613 return BT_STATUS_SUCCESS; 614 } 615 else 616 { 617 BTIF_TRACE_ERROR2("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 618 return BT_STATUS_FAIL; 619 } 620} 621 622/******************************************************************************* 623** 624** Function btif_hh_connect 625** 626** Description connection initiated from the BTIF thread context 627** 628** Returns int status 629** 630*******************************************************************************/ 631 632bt_status_t btif_hh_connect(bt_bdaddr_t *bd_addr) 633{ 634 btif_hh_device_t *dev; 635 btif_hh_added_device_t *added_dev = NULL; 636 char bda_str[20]; 637 int i; 638 BD_ADDR *bda = (BD_ADDR*)bd_addr; 639 tBTA_HH_CONN conn; 640 CHECK_BTHH_INIT(); 641 dev = btif_hh_find_dev_by_bda(bd_addr); 642 BTIF_TRACE_DEBUG0("Connect _hh"); 643 sprintf(bda_str, "%02X:%02X:%02X:%02X:%02X:%02X", 644 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 645 if (dev == NULL && btif_hh_cb.device_num >= BTIF_HH_MAX_HID) { 646 // No space for more HID device now. 647 BTIF_TRACE_WARNING2("%s: Error, exceeded the maximum supported HID device number %d", 648 __FUNCTION__, BTIF_HH_MAX_HID); 649 return BT_STATUS_FAIL; 650 } 651 652 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 653 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) { 654 added_dev = &btif_hh_cb.added_devices[i]; 655 BTIF_TRACE_WARNING3("%s: Device %s already added, attr_mask = 0x%x", 656 __FUNCTION__, bda_str, added_dev->attr_mask); 657 } 658 } 659 660 if (added_dev != NULL) { 661 if (added_dev->dev_handle == BTA_HH_INVALID_HANDLE) { 662 // No space for more HID device now. 663 BTIF_TRACE_ERROR2("%s: Error, device %s added but addition failed", __FUNCTION__, bda_str); 664 memset(&(added_dev->bd_addr), 0, 6); 665 added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 666 return BT_STATUS_FAIL; 667 } 668 } 669 670 if (added_dev == NULL || 671 (added_dev->attr_mask & HID_NORMALLY_CONNECTABLE) != 0 || 672 (added_dev->attr_mask & HID_RECONN_INIT) == 0) 673 { 674 tBTA_SEC sec_mask = BTUI_HH_SECURITY; 675 btif_hh_cb.status = BTIF_HH_DEV_CONNECTING; 676 BD_ADDR *bda = (BD_ADDR*)bd_addr; 677 BTA_HhOpen(*bda, BTA_HH_PROTO_RPT_MODE, sec_mask); 678 } 679 else 680 { 681 // This device shall be connected from the host side. 682 BTIF_TRACE_ERROR2("%s: Error, device %s can only be reconnected from device side", 683 __FUNCTION__, bda_str); 684 return BT_STATUS_FAIL; 685 } 686 687 HAL_CBACK(bt_hh_callbacks, connection_state_cb, bd_addr, BTHH_CONN_STATE_CONNECTING); 688 return BT_STATUS_SUCCESS; 689} 690 691/******************************************************************************* 692** 693** Function btif_hh_disconnect 694** 695** Description disconnection initiated from the BTIF thread context 696** 697** Returns void 698** 699*******************************************************************************/ 700 701void btif_hh_disconnect(bt_bdaddr_t *bd_addr) 702{ 703 BD_ADDR *bda = (BD_ADDR*)bd_addr; 704 btif_hh_device_t *p_dev; 705 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 706 if (p_dev != NULL) 707 { 708 BTA_HhClose(p_dev->dev_handle); 709 } 710 else 711 BTIF_TRACE_DEBUG1("%s-- Error: device not connected:",__FUNCTION__); 712} 713 714/******************************************************************************* 715** 716** Function btif_btif_hh_setreport 717** 718** Description setreport initiated from the BTIF thread context 719** 720** Returns void 721** 722*******************************************************************************/ 723 724void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type, UINT16 size, 725 UINT8* report) 726{ 727 UINT8 hexbuf[20]; 728 UINT16 len = size; 729 int i = 0; 730 if (p_dev->p_buf != NULL) { 731 GKI_freebuf(p_dev->p_buf); 732 } 733 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 734 if (p_dev->p_buf == NULL) { 735 APPL_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", __FUNCTION__, len); 736 return; 737 } 738 739 p_dev->p_buf->len = len; 740 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 741 742 //Build a SetReport data buffer 743 memset(hexbuf, 0, 20); 744 for(i=0; i<len; i++) 745 hexbuf[i] = report[i]; 746 747 UINT8* pbuf_data; 748 pbuf_data = (UINT8*) (p_dev->p_buf + 1) + p_dev->p_buf->offset; 749 memcpy(pbuf_data, hexbuf, len); 750 BTA_HhSetReport(p_dev->dev_handle, r_type, p_dev->p_buf); 751 752} 753 754/***************************************************************************** 755** Section name (Group of functions) 756*****************************************************************************/ 757 758/***************************************************************************** 759** 760** btif hh api functions (no context switch) 761** 762*****************************************************************************/ 763 764 765/******************************************************************************* 766** 767** Function btif_hh_upstreams_evt 768** 769** Description Executes HH UPSTREAMS events in btif context 770** 771** Returns void 772** 773*******************************************************************************/ 774static void btif_hh_upstreams_evt(UINT16 event, char* p_param) 775{ 776 tBTA_HH *p_data = (tBTA_HH *)p_param; 777 bdstr_t bdstr; 778 btif_hh_device_t *p_dev = NULL; 779 int i; 780 int len, tmplen; 781 782 BTIF_TRACE_DEBUG2("%s: event=%s", __FUNCTION__, dump_hh_event(event)); 783 784 switch (event) 785 { 786 case BTA_HH_ENABLE_EVT: 787 BTIF_TRACE_DEBUG2("%s: BTA_HH_ENABLE_EVT: status =%d",__FUNCTION__, p_data->status); 788 if (p_data->status == BTA_HH_OK) { 789 btif_hh_cb.status = BTIF_HH_ENABLED; 790 BTIF_TRACE_DEBUG1("%s--Loading added devices",__FUNCTION__); 791 /* Add hid descriptors for already bonded hid devices*/ 792 btif_storage_load_bonded_hid_info(); 793 } 794 else { 795 btif_hh_cb.status = BTIF_HH_DISABLED; 796 BTIF_TRACE_WARNING1("BTA_HH_ENABLE_EVT: Error, HH enabling failed, status = %d", p_data->status); 797 } 798 break; 799 800 case BTA_HH_DISABLE_EVT: 801 btif_hh_cb.status = BTIF_HH_DISABLED; 802 if (p_data->status == BTA_HH_OK) { 803 int i; 804 //Clear the control block 805 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 806 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 807 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 808 } 809 } 810 else 811 BTIF_TRACE_WARNING1("BTA_HH_DISABLE_EVT: Error, HH disabling failed, status = %d", p_data->status); 812 break; 813 814 case BTA_HH_OPEN_EVT: 815 BTIF_TRACE_WARNING3("%s: BTA_HH_OPN_EVT: handle=%d, status =%d",__FUNCTION__, p_data->conn.handle, p_data->conn.status); 816 if (p_data->conn.status == BTA_HH_OK) { 817 p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 818 if (p_dev == NULL) { 819 BTIF_TRACE_WARNING1("BTA_HH_OPEN_EVT: Error, cannot find device with handle %d", p_data->conn.handle); 820 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 821 // The connect request must come from device side and exceeded the connected 822 // HID device number. 823 BTA_HhClose(p_data->conn.handle); 824 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 825 } 826 else if (p_dev->fd < 0) { 827 BTIF_TRACE_WARNING0("BTA_HH_OPEN_EVT: Error, failed to find the uhid driver..."); 828 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 829 //remove the connection and then try again to reconnect from the mouse side to recover 830 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 831 BTA_HhClose(p_data->conn.handle); 832 } 833 else { 834 BTIF_TRACE_WARNING1("BTA_HH_OPEN_EVT: Found device...Getting dscp info for handle ... %d",p_data->conn.handle); 835 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 836 btif_hh_cb.status = BTIF_HH_DEV_CONNECTED; 837 // Send set_idle if the peer_device is a keyboard 838 if (check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_KEYBOARD )|| 839 check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_COMBO)) 840 BTA_HhSetIdle(p_data->conn.handle, 0); 841 btif_hh_cb.p_curr_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 842 BTA_HhGetDscpInfo(p_data->conn.handle); 843 p_dev->dev_status = BTHH_CONN_STATE_CONNECTED; 844 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 845 } 846 } 847 else { 848 bt_bdaddr_t *bdaddr = (bt_bdaddr_t*)p_data->conn.bda; 849 btif_dm_hh_open_failed(bdaddr); 850 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 851 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 852 } 853 break; 854 case BTA_HH_CLOSE_EVT: 855 BTIF_TRACE_DEBUG2("BTA_HH_CLOSE_EVT: status = %d, handle = %d", 856 p_data->dev_status.status, p_data->dev_status.handle); 857 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 858 if (p_dev != NULL) { 859 BTIF_TRACE_DEBUG2("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 860 if (p_dev->fd >= 0){ 861 UINT8 hidreport[9]; 862 memset(hidreport,0,9); 863 hidreport[0]=1; 864 bta_hh_co_write(p_dev->fd , hidreport, sizeof(hidreport)); 865 } 866 if(p_dev->vup_timer_active) 867 { 868 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 869 } 870 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 871 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 872 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 873 BTIF_TRACE_DEBUG2("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 874 bta_hh_co_destroy(p_dev->fd); 875 p_dev->fd = -1; 876 } 877 else { 878 BTIF_TRACE_WARNING1("Error: cannot find device with handle %d", p_data->dev_status.handle); 879 } 880 break; 881 case BTA_HH_GET_RPT_EVT: 882 BTIF_TRACE_DEBUG2("BTA_HH_GET_RPT_EVT: status = %d, handle = %d", 883 p_data->hs_data.status, p_data->hs_data.handle); 884 p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 885 HAL_CBACK(bt_hh_callbacks, get_report_cb,(bt_bdaddr_t*) &(p_dev->bd_addr), (bthh_status_t) p_data->hs_data.status, 886 (uint8_t*) p_data->hs_data.rsp_data.p_rpt_data, BT_HDR_SIZE); 887 break; 888 889 case BTA_HH_SET_RPT_EVT: 890 BTIF_TRACE_DEBUG2("BTA_HH_SET_RPT_EVT: status = %d, handle = %d", 891 p_data->dev_status.status, p_data->dev_status.handle); 892 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 893 if (p_dev != NULL && p_dev->p_buf != NULL) { 894 BTIF_TRACE_DEBUG0("Freeing buffer..." ); 895 GKI_freebuf(p_dev->p_buf); 896 p_dev->p_buf = NULL; 897 } 898 break; 899 900 case BTA_HH_GET_PROTO_EVT: 901 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 902 BTIF_TRACE_WARNING4("BTA_HH_GET_PROTO_EVT: status = %d, handle = %d, proto = [%d], %s", 903 p_data->hs_data.status, p_data->hs_data.handle, 904 p_data->hs_data.rsp_data.proto_mode, 905 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE) ? "Report Mode" : 906 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_BOOT_MODE) ? "Boot Mode" : "Unsupported"); 907 HAL_CBACK(bt_hh_callbacks, protocol_mode_cb,(bt_bdaddr_t*) &(p_dev->bd_addr), (bthh_status_t)p_data->hs_data.status, 908 (bthh_protocol_mode_t) p_data->hs_data.rsp_data.proto_mode); 909 break; 910 911 case BTA_HH_SET_PROTO_EVT: 912 BTIF_TRACE_DEBUG2("BTA_HH_SET_PROTO_EVT: status = %d, handle = %d", 913 p_data->dev_status.status, p_data->dev_status.handle); 914 break; 915 916 case BTA_HH_GET_IDLE_EVT: 917 BTIF_TRACE_DEBUG3("BTA_HH_GET_IDLE_EVT: handle = %d, status = %d, rate = %d", 918 p_data->hs_data.handle, p_data->hs_data.status, 919 p_data->hs_data.rsp_data.idle_rate); 920 break; 921 922 case BTA_HH_SET_IDLE_EVT: 923 BTIF_TRACE_DEBUG2("BTA_HH_SET_IDLE_EVT: status = %d, handle = %d", 924 p_data->dev_status.status, p_data->dev_status.handle); 925 break; 926 927 case BTA_HH_GET_DSCP_EVT: 928 BTIF_TRACE_WARNING2("BTA_HH_GET_DSCP_EVT: status = %d, handle = %d", 929 p_data->dev_status.status, p_data->dev_status.handle); 930 len = p_data->dscp_info.descriptor.dl_len; 931 BTIF_TRACE_DEBUG1("BTA_HH_GET_DSCP_EVT: len = %d", len); 932 p_dev = btif_hh_cb.p_curr_dev; 933 if (p_dev == NULL) { 934 BTIF_TRACE_ERROR0("BTA_HH_GET_DSCP_EVT: No HID device is currently connected"); 935 return; 936 } 937 if (p_dev->fd < 0) { 938 ALOGE("BTA_HH_GET_DSCP_EVT: Error, failed to find the uhid driver..."); 939 return; 940 } 941 { 942 char *cached_name = NULL; 943 bt_bdname_t bdname; 944 bt_property_t prop_name; 945 BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME, 946 sizeof(bt_bdname_t), &bdname); 947 if (btif_storage_get_remote_device_property( 948 &p_dev->bd_addr, &prop_name) == BT_STATUS_SUCCESS) 949 { 950 cached_name = (char *)bdname.name; 951 } 952 else 953 { 954 cached_name = "Bluetooth HID"; 955 } 956 957 BTIF_TRACE_WARNING2("%s: name = %s", __FUNCTION__, cached_name); 958 bta_hh_co_send_hid_info(p_dev, cached_name, 959 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 960 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 961 len, p_data->dscp_info.descriptor.dsc_list); 962 if (btif_hh_add_added_dev(p_dev->bd_addr, p_dev->attr_mask)) { 963 BD_ADDR bda; 964 bdcpy(bda, p_dev->bd_addr.address); 965 tBTA_HH_DEV_DSCP_INFO dscp_info; 966 bt_status_t ret; 967 bdcpy(bda, p_dev->bd_addr.address); 968 btif_hh_copy_hid_info(&dscp_info, &p_data->dscp_info); 969 BTIF_TRACE_DEBUG6("BTA_HH_GET_DSCP_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 970 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 971 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 972 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 973 BTA_HhAddDev(bda, p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, dscp_info); 974 // write hid info to nvram 975 ret = btif_storage_add_hid_device_info(&(p_dev->bd_addr), p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, 976 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 977 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 978 len, p_data->dscp_info.descriptor.dsc_list); 979 980 ASSERTC(ret == BT_STATUS_SUCCESS, "storing hid info failed", ret); 981 BTIF_TRACE_WARNING0("BTA_HH_GET_DSCP_EVT: Called add device"); 982 983 //Free buffer created for dscp_info; 984 if (dscp_info.descriptor.dl_len >0 && dscp_info.descriptor.dsc_list != NULL) 985 { 986 GKI_freebuf(dscp_info.descriptor.dsc_list); 987 dscp_info.descriptor.dsc_list = NULL; 988 dscp_info.descriptor.dl_len=0; 989 } 990 } 991 else { 992 //Device already added. 993 BTIF_TRACE_WARNING1("%s: Device already added ",__FUNCTION__); 994 } 995 /*Sync HID Keyboard lockstates */ 996 tmplen = sizeof(hid_kb_numlock_on_list) 997 / sizeof(tHID_KB_LIST); 998 for(i = 0; i< tmplen; i++) 999 { 1000 if(p_data->dscp_info.vendor_id 1001 == hid_kb_numlock_on_list[i].version_id && 1002 p_data->dscp_info.product_id 1003 == hid_kb_numlock_on_list[i].product_id) 1004 { 1005 BTIF_TRACE_DEBUG3("%s() idx[%d] Enabling "\ 1006 "NUMLOCK for device :: %s", __FUNCTION__, 1007 i, hid_kb_numlock_on_list[i].kb_name); 1008 /* Enable NUMLOCK by default so that numeric 1009 keys work from first keyboard connect */ 1010 set_keylockstate(BTIF_HH_KEYSTATE_MASK_NUMLOCK, 1011 TRUE); 1012 sync_lockstate_on_connect(p_dev); 1013 /* End Sync HID Keyboard lockstates */ 1014 break; 1015 } 1016 } 1017 } 1018 break; 1019 1020 case BTA_HH_ADD_DEV_EVT: 1021 BTIF_TRACE_WARNING2("BTA_HH_ADD_DEV_EVT: status = %d, handle = %d",p_data->dev_info.status, p_data->dev_info.handle); 1022 int i; 1023 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 1024 if (memcmp(btif_hh_cb.added_devices[i].bd_addr.address, p_data->dev_info.bda, 6) == 0) { 1025 if (p_data->dev_info.status == BTA_HH_OK) { 1026 btif_hh_cb.added_devices[i].dev_handle = p_data->dev_info.handle; 1027 } 1028 else { 1029 memset(btif_hh_cb.added_devices[i].bd_addr.address, 0, 6); 1030 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 1031 } 1032 break; 1033 } 1034 } 1035 break; 1036 case BTA_HH_RMV_DEV_EVT: 1037 BTIF_TRACE_DEBUG2("BTA_HH_RMV_DEV_EVT: status = %d, handle = %d", 1038 p_data->dev_info.status, p_data->dev_info.handle); 1039 BTIF_TRACE_DEBUG6("BTA_HH_RMV_DEV_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1040 p_data->dev_info.bda[0], p_data->dev_info.bda[1], p_data->dev_info.bda[2], 1041 p_data->dev_info.bda[3], p_data->dev_info.bda[4], p_data->dev_info.bda[5]); 1042 break; 1043 1044 1045 case BTA_HH_VC_UNPLUG_EVT: 1046 BTIF_TRACE_DEBUG2("BTA_HH_VC_UNPLUG_EVT: status = %d, handle = %d", 1047 p_data->dev_status.status, p_data->dev_status.handle); 1048 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 1049 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 1050 if (p_dev != NULL) { 1051 BTIF_TRACE_DEBUG6("BTA_HH_VC_UNPLUG_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1052 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 1053 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 1054 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 1055 /* Stop the VUP timer */ 1056 if(p_dev->vup_timer_active) 1057 { 1058 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 1059 } 1060 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 1061 BTIF_TRACE_DEBUG1("%s---Sending connection state change", __FUNCTION__); 1062 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 1063 BTIF_TRACE_DEBUG1("%s---Removing HID bond", __FUNCTION__); 1064 /* If it is locally initiated VUP or remote device has its major COD as 1065 Peripheral removed the bond.*/ 1066 if (p_dev->local_vup || check_cod_hid(&(p_dev->bd_addr), COD_HID_MAJOR)) 1067 { 1068 p_dev->local_vup = FALSE; 1069 BTA_DmRemoveDevice((UINT8 *)p_dev->bd_addr.address); 1070 } 1071 else 1072 btif_hh_remove_device(p_dev->bd_addr); 1073 HAL_CBACK(bt_hh_callbacks, virtual_unplug_cb,&(p_dev->bd_addr), 1074 p_data->dev_status.status); 1075 } 1076 break; 1077 1078 case BTA_HH_API_ERR_EVT : 1079 ALOGI("BTA_HH API_ERR"); 1080 break; 1081 1082 1083 1084 default: 1085 BTIF_TRACE_WARNING2("%s: Unhandled event: %d", __FUNCTION__, event); 1086 break; 1087 } 1088} 1089 1090/******************************************************************************* 1091** 1092** Function bte_hh_evt 1093** 1094** Description Switches context from BTE to BTIF for all HH events 1095** 1096** Returns void 1097** 1098*******************************************************************************/ 1099 1100static void bte_hh_evt(tBTA_HH_EVT event, tBTA_HH *p_data) 1101{ 1102 bt_status_t status; 1103 int param_len = 0; 1104 1105 if (BTA_HH_ENABLE_EVT == event) 1106 param_len = sizeof(tBTA_HH_STATUS); 1107 else if (BTA_HH_OPEN_EVT == event) 1108 param_len = sizeof(tBTA_HH_CONN); 1109 else if (BTA_HH_DISABLE_EVT == event) 1110 param_len = sizeof(tBTA_HH_STATUS); 1111 else if (BTA_HH_CLOSE_EVT == event) 1112 param_len = sizeof(tBTA_HH_CBDATA); 1113 else if (BTA_HH_GET_DSCP_EVT == event) 1114 param_len = sizeof(tBTA_HH_DEV_DSCP_INFO); 1115 else if ((BTA_HH_GET_PROTO_EVT == event) || (BTA_HH_GET_RPT_EVT == event)|| (BTA_HH_GET_IDLE_EVT == event)) 1116 param_len = sizeof(tBTA_HH_HSDATA); 1117 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)) 1118 param_len = sizeof(tBTA_HH_CBDATA); 1119 else if ((BTA_HH_ADD_DEV_EVT == event) || (BTA_HH_RMV_DEV_EVT == event) ) 1120 param_len = sizeof(tBTA_HH_DEV_INFO); 1121 else if (BTA_HH_API_ERR_EVT == event) 1122 param_len = 0; 1123 /* switch context to btif task context (copy full union size for convenience) */ 1124 status = btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)p_data, param_len, NULL); 1125 1126 /* catch any failed context transfers */ 1127 ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); 1128} 1129 1130/******************************************************************************* 1131** 1132** Function btif_hh_handle_evt 1133** 1134** Description Switches context for immediate callback 1135** 1136** Returns void 1137** 1138*******************************************************************************/ 1139 1140static void btif_hh_handle_evt(UINT16 event, char *p_param) 1141{ 1142 bt_bdaddr_t *bd_addr = (bt_bdaddr_t*)p_param; 1143 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1144 int ret; 1145 switch(event) 1146 { 1147 case BTIF_HH_CONNECT_REQ_EVT: 1148 { 1149 ret = btif_hh_connect(bd_addr); 1150 if(ret == BT_STATUS_SUCCESS) 1151 { 1152 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_CONNECTING); 1153 } 1154 else 1155 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTED); 1156 } 1157 break; 1158 1159 case BTIF_HH_DISCONNECT_REQ_EVT: 1160 { 1161 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1162 btif_hh_disconnect(bd_addr); 1163 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTING); 1164 } 1165 break; 1166 1167 case BTIF_HH_VUP_REQ_EVT: 1168 { 1169 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1170 ret = btif_hh_virtual_unplug(bd_addr); 1171 } 1172 break; 1173 1174 default: 1175 { 1176 BTIF_TRACE_WARNING2("%s : Unknown event 0x%x", __FUNCTION__, event); 1177 } 1178 break; 1179 } 1180} 1181 1182/******************************************************************************* 1183** 1184** Function btif_hh_tmr_hdlr 1185** 1186** Description Process timer timeout 1187** 1188** Returns void 1189*******************************************************************************/ 1190void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle) 1191{ 1192 btif_hh_device_t *p_dev; 1193 UINT8 i,j; 1194 tBTA_HH_EVT event; 1195 tBTA_HH p_data; 1196 int param_len = 0; 1197 memset(&p_data, 0, sizeof(tBTA_HH)); 1198 1199 BTIF_TRACE_DEBUG2("%s timer_in_use=%d", __FUNCTION__, tle->in_use ); 1200 1201 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1202 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED) 1203 { 1204 1205 p_dev = &btif_hh_cb.devices[i]; 1206 1207 if (p_dev->vup_timer_active) 1208 { 1209 p_dev->vup_timer_active = FALSE; 1210 event = BTA_HH_VC_UNPLUG_EVT; 1211 p_data.dev_status.status = BTHH_ERR; 1212 p_data.dev_status.handle = p_dev->dev_handle; 1213 param_len = sizeof(tBTA_HH_CBDATA); 1214 1215 /* switch context to btif task context */ 1216 btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)&p_data, 1217 param_len, NULL); 1218 } 1219 } 1220 } 1221} 1222 1223/******************************************************************************* 1224** 1225** Function btif_hh_init 1226** 1227** Description initializes the hh interface 1228** 1229** Returns bt_status_t 1230** 1231*******************************************************************************/ 1232static bt_status_t init( bthh_callbacks_t* callbacks ) 1233{ 1234 UINT32 i; 1235 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1236 1237 bt_hh_callbacks = callbacks; 1238 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 1239 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 1240 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 1241 } 1242 /* Invoke the enable service API to the core to set the appropriate service_id */ 1243 btif_enable_service(BTA_HID_SERVICE_ID); 1244 return BT_STATUS_SUCCESS; 1245} 1246 1247/******************************************************************************* 1248** 1249** Function connect 1250** 1251** Description connect to hid device 1252** 1253** Returns bt_status_t 1254** 1255*******************************************************************************/ 1256static bt_status_t connect( bt_bdaddr_t *bd_addr) 1257{ 1258 if(btif_hh_cb.status != BTIF_HH_DEV_CONNECTING) 1259 { 1260 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_CONNECT_REQ_EVT, 1261 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1262 return BT_STATUS_SUCCESS; 1263 } 1264 else 1265 return BT_STATUS_BUSY; 1266} 1267 1268/******************************************************************************* 1269** 1270** Function disconnect 1271** 1272** Description disconnect from hid device 1273** 1274** Returns bt_status_t 1275** 1276*******************************************************************************/ 1277static bt_status_t disconnect( bt_bdaddr_t *bd_addr ) 1278{ 1279 CHECK_BTHH_INIT(); 1280 btif_hh_device_t *p_dev; 1281 1282 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1283 { 1284 BTIF_TRACE_WARNING2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1285 return BT_STATUS_FAIL; 1286 } 1287 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1288 if (p_dev != NULL) 1289 { 1290 return btif_transfer_context(btif_hh_handle_evt, BTIF_HH_DISCONNECT_REQ_EVT, 1291 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1292 } 1293 else 1294 { 1295 BTIF_TRACE_WARNING1("%s: Error, device not opened.", __FUNCTION__); 1296 return BT_STATUS_FAIL; 1297 } 1298} 1299 1300/******************************************************************************* 1301** 1302** Function virtual_unplug 1303** 1304** Description Virtual UnPlug (VUP) the specified HID device. 1305** 1306** Returns bt_status_t 1307** 1308*******************************************************************************/ 1309static bt_status_t virtual_unplug (bt_bdaddr_t *bd_addr) 1310{ 1311 CHECK_BTHH_INIT(); 1312 btif_hh_device_t *p_dev; 1313 char bd_str[18]; 1314 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 1315 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 1316 bd_addr->address[4], bd_addr->address[5]); 1317 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1318 { 1319 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1320 return BT_STATUS_FAIL; 1321 } 1322 p_dev = btif_hh_find_dev_by_bda(bd_addr); 1323 if (!p_dev) 1324 { 1325 BTIF_TRACE_ERROR2("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 1326 return BT_STATUS_FAIL; 1327 } 1328 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_VUP_REQ_EVT, 1329 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1330 return BT_STATUS_SUCCESS; 1331} 1332 1333 1334/******************************************************************************* 1335** 1336** Function set_info 1337** 1338** Description Set the HID device descriptor for the specified HID device. 1339** 1340** Returns bt_status_t 1341** 1342*******************************************************************************/ 1343static bt_status_t set_info (bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info ) 1344{ 1345 CHECK_BTHH_INIT(); 1346 tBTA_HH_DEV_DSCP_INFO dscp_info; 1347 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1348 1349 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1350 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1351 BTIF_TRACE_DEBUG6("%s: sub_class = 0x%02x, app_id = %d, vendor_id = 0x%04x, " 1352 "product_id = 0x%04x, version= 0x%04x", 1353 __FUNCTION__, hid_info.sub_class, 1354 hid_info.app_id, hid_info.vendor_id, hid_info.product_id, 1355 hid_info.version); 1356 1357 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1358 { 1359 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1360 return BT_STATUS_FAIL; 1361 } 1362 1363 dscp_info.vendor_id = hid_info.vendor_id; 1364 dscp_info.product_id = hid_info.product_id; 1365 dscp_info.version = hid_info.version; 1366 dscp_info.ctry_code = hid_info.ctry_code; 1367 1368 dscp_info.descriptor.dl_len = hid_info.dl_len; 1369 dscp_info.descriptor.dsc_list = (UINT8 *) GKI_getbuf(dscp_info.descriptor.dl_len); 1370 if (dscp_info.descriptor.dsc_list == NULL) 1371 { 1372 ALOGE("%s: Failed to allocate DSCP for CB", __FUNCTION__); 1373 return BT_STATUS_FAIL; 1374 } 1375 memcpy(dscp_info.descriptor.dsc_list, &(hid_info.dsc_list), hid_info.dl_len); 1376 1377 if (btif_hh_add_added_dev(*bd_addr, hid_info.attr_mask)) 1378 { 1379 BTA_HhAddDev(*bda, hid_info.attr_mask, hid_info.sub_class, 1380 hid_info.app_id, dscp_info); 1381 } 1382 1383 GKI_freebuf(dscp_info.descriptor.dsc_list); 1384 1385 return BT_STATUS_SUCCESS; 1386} 1387/******************************************************************************* 1388** 1389** Function get_idle_time 1390** 1391** Description Get the HID idle time 1392** 1393** Returns bt_status_t 1394** 1395*******************************************************************************/ 1396static bt_status_t get_idle_time(bt_bdaddr_t *bd_addr) 1397{ 1398 CHECK_BTHH_INIT(); 1399 btif_hh_device_t *p_dev; 1400 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1401 1402 BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1403 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1404 1405 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1406 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1407 return BT_STATUS_FAIL; 1408 } 1409 1410 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1411 if (p_dev != NULL) { 1412 //BTA_HhGetIdle(p_dev->dev_handle); 1413 } 1414 else { 1415 return BT_STATUS_FAIL; 1416 } 1417 return BT_STATUS_SUCCESS; 1418} 1419 1420/******************************************************************************* 1421** 1422** Function set_idle_time 1423** 1424** Description Set the HID idle time 1425** 1426** Returns bt_status_t 1427** 1428*******************************************************************************/ 1429static bt_status_t set_idle_time (bt_bdaddr_t *bd_addr, uint8_t idle_time) 1430{ 1431 CHECK_BTHH_INIT(); 1432 btif_hh_device_t *p_dev; 1433 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1434 1435 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1436 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1437 1438 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1439 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1440 return BT_STATUS_FAIL; 1441 } 1442 1443 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1444 if (p_dev == NULL) { 1445 BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1446 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1447 return BT_STATUS_FAIL; 1448 } 1449 else { 1450 //BTA_HhSetIdle(p_dev->dev_handle, idle_time); 1451 } 1452 return BT_STATUS_SUCCESS; 1453} 1454 1455/******************************************************************************* 1456** 1457** Function get_protocol 1458** 1459** Description Get the HID proto mode. 1460** 1461** Returns bt_status_t 1462** 1463*******************************************************************************/ 1464static bt_status_t get_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1465{ 1466 CHECK_BTHH_INIT(); 1467 btif_hh_device_t *p_dev; 1468 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1469 1470 BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1471 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1472 1473 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1474 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1475 return BT_STATUS_FAIL; 1476 } 1477 1478 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1479 if (p_dev != NULL) { 1480 BTA_HhGetProtoMode(p_dev->dev_handle); 1481 } 1482 else { 1483 return BT_STATUS_FAIL; 1484 } 1485 return BT_STATUS_SUCCESS; 1486} 1487 1488/******************************************************************************* 1489** 1490** Function set_protocol 1491** 1492** Description Set the HID proto mode. 1493** 1494** Returns bt_status_t 1495** 1496*******************************************************************************/ 1497static bt_status_t set_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1498{ 1499 CHECK_BTHH_INIT(); 1500 btif_hh_device_t *p_dev; 1501 UINT8 proto_mode = protocolMode; 1502 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1503 1504 BTIF_TRACE_DEBUG2("%s:proto_mode = %d", __FUNCTION__,protocolMode); 1505 1506 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1507 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1508 1509 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1510 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1511 return BT_STATUS_FAIL; 1512 } 1513 1514 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1515 if (p_dev == NULL) { 1516 BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1517 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1518 return BT_STATUS_FAIL; 1519 } 1520 else if (protocolMode != BTA_HH_PROTO_RPT_MODE && protocolMode != BTA_HH_PROTO_BOOT_MODE) { 1521 BTIF_TRACE_WARNING2("s: Error, device proto_mode = %d.", __FUNCTION__, proto_mode); 1522 return BT_STATUS_FAIL; 1523 } 1524 else { 1525 BTA_HhSetProtoMode(p_dev->dev_handle, protocolMode); 1526 } 1527 1528 1529 return BT_STATUS_SUCCESS; 1530} 1531 1532/******************************************************************************* 1533** 1534** Function get_report 1535** 1536** Description Send a GET_REPORT to HID device. 1537** 1538** Returns bt_status_t 1539** 1540*******************************************************************************/ 1541static bt_status_t get_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize) 1542{ 1543 CHECK_BTHH_INIT(); 1544 btif_hh_device_t *p_dev; 1545 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1546 1547 BTIF_TRACE_DEBUG4("%s:proto_mode = %dr_type = %d, rpt_id = %d, buf_size = %d", __FUNCTION__, 1548 reportType, reportId, bufferSize); 1549 1550 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1551 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1552 1553 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1554 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1555 return BT_STATUS_FAIL; 1556 } 1557 1558 1559 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1560 if (p_dev == NULL) { 1561 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1562 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1563 return BT_STATUS_FAIL; 1564 } 1565 else if ( ((int) reportType) <= BTA_HH_RPTT_RESRV || ((int) reportType) > BTA_HH_RPTT_FEATURE) { 1566 BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1567 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1568 return BT_STATUS_FAIL; 1569 } 1570 else { 1571 BTA_HhGetReport(p_dev->dev_handle, reportType, 1572 reportId, bufferSize); 1573 } 1574 1575 return BT_STATUS_SUCCESS; 1576} 1577 1578/******************************************************************************* 1579** 1580** Function set_report 1581** 1582** Description Send a SET_REPORT to HID device. 1583** 1584** Returns bt_status_t 1585** 1586*******************************************************************************/ 1587static bt_status_t set_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report) 1588{ 1589 CHECK_BTHH_INIT(); 1590 btif_hh_device_t *p_dev; 1591 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1592 1593 BTIF_TRACE_DEBUG2("%s:reportType = %d", __FUNCTION__,reportType); 1594 1595 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1596 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1597 1598 1599 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1600 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1601 return BT_STATUS_FAIL; 1602 } 1603 1604 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1605 if (p_dev == NULL) { 1606 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1607 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1608 return BT_STATUS_FAIL; 1609 } 1610 else if ( ( (int) reportType) <= BTA_HH_RPTT_RESRV || ( (int) reportType) > BTA_HH_RPTT_FEATURE) { 1611 BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1612 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1613 return BT_STATUS_FAIL; 1614 } 1615 else { 1616 int hex_bytes_filled; 1617 UINT8 hexbuf[200]; 1618 UINT16 len = (strlen(report) + 1) / 2; 1619 1620 if (p_dev->p_buf != NULL) { 1621 GKI_freebuf(p_dev->p_buf); 1622 } 1623 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 1624 if (p_dev->p_buf == NULL) { 1625 BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", __FUNCTION__, len); 1626 return BT_STATUS_FAIL; 1627 } 1628 1629 p_dev->p_buf->len = len; 1630 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 1631 1632 /* Build a SetReport data buffer */ 1633 memset(hexbuf, 0, 200); 1634 //TODO 1635 hex_bytes_filled = ascii_2_hex(report, len, hexbuf); 1636 ALOGI("Hex bytes filled, hex value: %d", hex_bytes_filled); 1637 1638 if (hex_bytes_filled) { 1639 UINT8* pbuf_data; 1640 pbuf_data = (UINT8*) (p_dev->p_buf + 1) + p_dev->p_buf->offset; 1641 memcpy(pbuf_data, hexbuf, hex_bytes_filled); 1642 BTA_HhSetReport(p_dev->dev_handle, reportType, p_dev->p_buf); 1643 } 1644 return BT_STATUS_SUCCESS; 1645 } 1646 1647 1648} 1649 1650/******************************************************************************* 1651** 1652** Function send_data 1653** 1654** Description Send a SEND_DATA to HID device. 1655** 1656** Returns bt_status_t 1657** 1658*******************************************************************************/ 1659static bt_status_t send_data (bt_bdaddr_t *bd_addr, char* data) 1660{ 1661 CHECK_BTHH_INIT(); 1662 btif_hh_device_t *p_dev; 1663 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1664 1665 BTIF_TRACE_DEBUG1("%s", __FUNCTION__); 1666 1667 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1668 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1669 1670 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1671 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1672 return BT_STATUS_FAIL; 1673 } 1674 1675 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1676 if (p_dev == NULL) { 1677 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1678 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1679 return BT_STATUS_FAIL; 1680 } 1681 1682 else { 1683 int hex_bytes_filled; 1684 UINT8 hexbuf[200]; 1685 UINT16 len = (strlen(data) + 1) / 2; 1686 1687 if (p_dev->p_buf != NULL) { 1688 GKI_freebuf(p_dev->p_buf); 1689 } 1690 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 1691 if (p_dev->p_buf == NULL) { 1692 BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", __FUNCTION__, len); 1693 return BT_STATUS_FAIL; 1694 } 1695 1696 p_dev->p_buf->len = len; 1697 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 1698 1699 /* Build a SetReport data buffer */ 1700 memset(hexbuf, 0, 200); 1701 hex_bytes_filled = ascii_2_hex(data, len, hexbuf); 1702 BTIF_TRACE_ERROR2("Hex bytes filled, hex value: %d, %d", hex_bytes_filled, len); 1703 1704 if (hex_bytes_filled) { 1705 UINT8* pbuf_data; 1706 pbuf_data = (UINT8*) (p_dev->p_buf + 1) + p_dev->p_buf->offset; 1707 memcpy(pbuf_data, hexbuf, hex_bytes_filled); 1708 p_dev->p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 1709 BTA_HhSendData(p_dev->dev_handle, *bda, p_dev->p_buf); 1710 return BT_STATUS_SUCCESS; 1711 } 1712 1713 } 1714 return BT_STATUS_FAIL; 1715} 1716 1717 1718/******************************************************************************* 1719** 1720** Function cleanup 1721** 1722** Description Closes the HH interface 1723** 1724** Returns bt_status_t 1725** 1726*******************************************************************************/ 1727static void cleanup( void ) 1728{ 1729 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1730 btif_hh_device_t *p_dev; 1731 int i; 1732 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1733 BTIF_TRACE_WARNING2("%s: HH disabling or disabled already, status = %d", __FUNCTION__, btif_hh_cb.status); 1734 return; 1735 } 1736 btif_hh_cb.status = BTIF_HH_DISABLING; 1737 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1738 p_dev = &btif_hh_cb.devices[i]; 1739 if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->fd >= 0) { 1740 BTIF_TRACE_DEBUG2("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 1741 bta_hh_co_destroy(p_dev->fd); 1742 p_dev->fd = -1; 1743 p_dev->hh_keep_polling = 0; 1744 p_dev->hh_poll_thread_id = -1; 1745 } 1746 } 1747 1748 if (bt_hh_callbacks) 1749 { 1750 btif_disable_service(BTA_HID_SERVICE_ID); 1751 bt_hh_callbacks = NULL; 1752 } 1753 1754} 1755 1756static const bthh_interface_t bthhInterface = { 1757 sizeof(bthhInterface), 1758 init, 1759 connect, 1760 disconnect, 1761 virtual_unplug, 1762 set_info, 1763 get_protocol, 1764 set_protocol, 1765// get_idle_time, 1766// set_idle_time, 1767 get_report, 1768 set_report, 1769 send_data, 1770 cleanup, 1771}; 1772 1773/******************************************************************************* 1774** 1775** Function btif_hh_execute_service 1776** 1777** Description Initializes/Shuts down the service 1778** 1779** Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise 1780** 1781*******************************************************************************/ 1782bt_status_t btif_hh_execute_service(BOOLEAN b_enable) 1783{ 1784 if (b_enable) 1785 { 1786 /* Enable and register with BTA-HH */ 1787 BTA_HhEnable(BTA_SEC_NONE, bte_hh_evt); 1788 } 1789 else { 1790 /* Disable HH */ 1791 BTA_HhDisable(); 1792 } 1793 return BT_STATUS_SUCCESS; 1794} 1795 1796/******************************************************************************* 1797** 1798** Function btif_hh_get_interface 1799** 1800** Description Get the hh callback interface 1801** 1802** Returns bthh_interface_t 1803** 1804*******************************************************************************/ 1805const bthh_interface_t *btif_hh_get_interface() 1806{ 1807 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1808 return &bthhInterface; 1809} 1810