btif_hh.c revision 03c26931a463dd079bda26bfd19f323743f57f3e
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 char name[] = "Broadcom Bluetooth HID"; 944 if (cached_name == NULL) { 945 cached_name = name; 946 } 947 948 BTIF_TRACE_WARNING2("%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_DEBUG6("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 len, p_data->dscp_info.descriptor.dsc_list); 970 971 ASSERTC(ret == BT_STATUS_SUCCESS, "storing hid info failed", ret); 972 BTIF_TRACE_WARNING0("BTA_HH_GET_DSCP_EVT: Called add device"); 973 974 //Free buffer created for dscp_info; 975 if (dscp_info.descriptor.dl_len >0 && dscp_info.descriptor.dsc_list != NULL) 976 { 977 GKI_freebuf(dscp_info.descriptor.dsc_list); 978 dscp_info.descriptor.dsc_list = NULL; 979 dscp_info.descriptor.dl_len=0; 980 } 981 } 982 else { 983 //Device already added. 984 BTIF_TRACE_WARNING1("%s: Device already added ",__FUNCTION__); 985 } 986 /*Sync HID Keyboard lockstates */ 987 tmplen = sizeof(hid_kb_numlock_on_list) 988 / sizeof(tHID_KB_LIST); 989 for(i = 0; i< tmplen; i++) 990 { 991 if(p_data->dscp_info.vendor_id 992 == hid_kb_numlock_on_list[i].version_id && 993 p_data->dscp_info.product_id 994 == hid_kb_numlock_on_list[i].product_id) 995 { 996 BTIF_TRACE_DEBUG3("%s() idx[%d] Enabling "\ 997 "NUMLOCK for device :: %s", __FUNCTION__, 998 i, hid_kb_numlock_on_list[i].kb_name); 999 /* Enable NUMLOCK by default so that numeric 1000 keys work from first keyboard connect */ 1001 set_keylockstate(BTIF_HH_KEYSTATE_MASK_NUMLOCK, 1002 TRUE); 1003 sync_lockstate_on_connect(p_dev); 1004 /* End Sync HID Keyboard lockstates */ 1005 break; 1006 } 1007 } 1008 } 1009 break; 1010 1011 case BTA_HH_ADD_DEV_EVT: 1012 BTIF_TRACE_WARNING2("BTA_HH_ADD_DEV_EVT: status = %d, handle = %d",p_data->dev_info.status, p_data->dev_info.handle); 1013 int i; 1014 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 1015 if (memcmp(btif_hh_cb.added_devices[i].bd_addr.address, p_data->dev_info.bda, 6) == 0) { 1016 if (p_data->dev_info.status == BTA_HH_OK) { 1017 btif_hh_cb.added_devices[i].dev_handle = p_data->dev_info.handle; 1018 } 1019 else { 1020 memset(btif_hh_cb.added_devices[i].bd_addr.address, 0, 6); 1021 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 1022 } 1023 break; 1024 } 1025 } 1026 break; 1027 case BTA_HH_RMV_DEV_EVT: 1028 BTIF_TRACE_DEBUG2("BTA_HH_RMV_DEV_EVT: status = %d, handle = %d", 1029 p_data->dev_info.status, p_data->dev_info.handle); 1030 BTIF_TRACE_DEBUG6("BTA_HH_RMV_DEV_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1031 p_data->dev_info.bda[0], p_data->dev_info.bda[1], p_data->dev_info.bda[2], 1032 p_data->dev_info.bda[3], p_data->dev_info.bda[4], p_data->dev_info.bda[5]); 1033 break; 1034 1035 1036 case BTA_HH_VC_UNPLUG_EVT: 1037 BTIF_TRACE_DEBUG2("BTA_HH_VC_UNPLUG_EVT: status = %d, handle = %d", 1038 p_data->dev_status.status, p_data->dev_status.handle); 1039 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 1040 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 1041 if (p_dev != NULL) { 1042 BTIF_TRACE_DEBUG6("BTA_HH_VC_UNPLUG_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1043 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 1044 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 1045 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 1046 /* Stop the VUP timer */ 1047 if(p_dev->vup_timer_active) 1048 { 1049 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 1050 } 1051 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 1052 BTIF_TRACE_DEBUG1("%s---Sending connection state change", __FUNCTION__); 1053 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 1054 BTIF_TRACE_DEBUG1("%s---Removing HID bond", __FUNCTION__); 1055 /* If it is locally initiated VUP or remote device has its major COD as 1056 Peripheral removed the bond.*/ 1057 if (p_dev->local_vup || check_cod_hid(&(p_dev->bd_addr), COD_HID_MAJOR)) 1058 { 1059 p_dev->local_vup = FALSE; 1060 BTA_DmRemoveDevice((UINT8 *)p_dev->bd_addr.address); 1061 } 1062 else 1063 btif_hh_remove_device(p_dev->bd_addr); 1064 HAL_CBACK(bt_hh_callbacks, virtual_unplug_cb,&(p_dev->bd_addr), 1065 p_data->dev_status.status); 1066 } 1067 break; 1068 1069 case BTA_HH_API_ERR_EVT : 1070 ALOGI("BTA_HH API_ERR"); 1071 break; 1072 1073 1074 1075 default: 1076 BTIF_TRACE_WARNING2("%s: Unhandled event: %d", __FUNCTION__, event); 1077 break; 1078 } 1079} 1080 1081/******************************************************************************* 1082** 1083** Function bte_hh_evt 1084** 1085** Description Switches context from BTE to BTIF for all HH events 1086** 1087** Returns void 1088** 1089*******************************************************************************/ 1090 1091static void bte_hh_evt(tBTA_HH_EVT event, tBTA_HH *p_data) 1092{ 1093 bt_status_t status; 1094 int param_len = 0; 1095 1096 if (BTA_HH_ENABLE_EVT == event) 1097 param_len = sizeof(tBTA_HH_STATUS); 1098 else if (BTA_HH_OPEN_EVT == event) 1099 param_len = sizeof(tBTA_HH_CONN); 1100 else if (BTA_HH_DISABLE_EVT == event) 1101 param_len = sizeof(tBTA_HH_STATUS); 1102 else if (BTA_HH_CLOSE_EVT == event) 1103 param_len = sizeof(tBTA_HH_CBDATA); 1104 else if (BTA_HH_GET_DSCP_EVT == event) 1105 param_len = sizeof(tBTA_HH_DEV_DSCP_INFO); 1106 else if ((BTA_HH_GET_PROTO_EVT == event) || (BTA_HH_GET_RPT_EVT == event)|| (BTA_HH_GET_IDLE_EVT == event)) 1107 param_len = sizeof(tBTA_HH_HSDATA); 1108 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)) 1109 param_len = sizeof(tBTA_HH_CBDATA); 1110 else if ((BTA_HH_ADD_DEV_EVT == event) || (BTA_HH_RMV_DEV_EVT == event) ) 1111 param_len = sizeof(tBTA_HH_DEV_INFO); 1112 else if (BTA_HH_API_ERR_EVT == event) 1113 param_len = 0; 1114 /* switch context to btif task context (copy full union size for convenience) */ 1115 status = btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)p_data, param_len, NULL); 1116 1117 /* catch any failed context transfers */ 1118 ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); 1119} 1120 1121/******************************************************************************* 1122** 1123** Function btif_hh_handle_evt 1124** 1125** Description Switches context for immediate callback 1126** 1127** Returns void 1128** 1129*******************************************************************************/ 1130 1131static void btif_hh_handle_evt(UINT16 event, char *p_param) 1132{ 1133 bt_bdaddr_t *bd_addr = (bt_bdaddr_t*)p_param; 1134 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1135 int ret; 1136 switch(event) 1137 { 1138 case BTIF_HH_CONNECT_REQ_EVT: 1139 { 1140 ret = btif_hh_connect(bd_addr); 1141 if(ret == BT_STATUS_SUCCESS) 1142 { 1143 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_CONNECTING); 1144 } 1145 else 1146 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTED); 1147 } 1148 break; 1149 1150 case BTIF_HH_DISCONNECT_REQ_EVT: 1151 { 1152 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1153 btif_hh_disconnect(bd_addr); 1154 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTING); 1155 } 1156 break; 1157 1158 case BTIF_HH_VUP_REQ_EVT: 1159 { 1160 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1161 ret = btif_hh_virtual_unplug(bd_addr); 1162 } 1163 break; 1164 1165 default: 1166 { 1167 BTIF_TRACE_WARNING2("%s : Unknown event 0x%x", __FUNCTION__, event); 1168 } 1169 break; 1170 } 1171} 1172 1173/******************************************************************************* 1174** 1175** Function btif_hh_tmr_hdlr 1176** 1177** Description Process timer timeout 1178** 1179** Returns void 1180*******************************************************************************/ 1181void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle) 1182{ 1183 btif_hh_device_t *p_dev; 1184 UINT8 i,j; 1185 tBTA_HH_EVT event; 1186 tBTA_HH p_data; 1187 int param_len = 0; 1188 memset(&p_data, 0, sizeof(tBTA_HH)); 1189 1190 BTIF_TRACE_DEBUG2("%s timer_in_use=%d", __FUNCTION__, tle->in_use ); 1191 1192 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1193 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED) 1194 { 1195 1196 p_dev = &btif_hh_cb.devices[i]; 1197 1198 if (p_dev->vup_timer_active) 1199 { 1200 p_dev->vup_timer_active = FALSE; 1201 event = BTA_HH_VC_UNPLUG_EVT; 1202 p_data.dev_status.status = BTHH_ERR; 1203 p_data.dev_status.handle = p_dev->dev_handle; 1204 param_len = sizeof(tBTA_HH_CBDATA); 1205 1206 /* switch context to btif task context */ 1207 btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)&p_data, 1208 param_len, NULL); 1209 } 1210 } 1211 } 1212} 1213 1214/******************************************************************************* 1215** 1216** Function btif_hh_init 1217** 1218** Description initializes the hh interface 1219** 1220** Returns bt_status_t 1221** 1222*******************************************************************************/ 1223static bt_status_t init( bthh_callbacks_t* callbacks ) 1224{ 1225 UINT32 i; 1226 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1227 1228 bt_hh_callbacks = callbacks; 1229 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 1230 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 1231 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 1232 } 1233 /* Invoke the enable service API to the core to set the appropriate service_id */ 1234 btif_enable_service(BTA_HID_SERVICE_ID); 1235 return BT_STATUS_SUCCESS; 1236} 1237 1238/******************************************************************************* 1239** 1240** Function connect 1241** 1242** Description connect to hid device 1243** 1244** Returns bt_status_t 1245** 1246*******************************************************************************/ 1247static bt_status_t connect( bt_bdaddr_t *bd_addr) 1248{ 1249 if(btif_hh_cb.status != BTIF_HH_DEV_CONNECTING) 1250 { 1251 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_CONNECT_REQ_EVT, 1252 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1253 return BT_STATUS_SUCCESS; 1254 } 1255 else 1256 return BT_STATUS_BUSY; 1257} 1258 1259/******************************************************************************* 1260** 1261** Function disconnect 1262** 1263** Description disconnect from hid device 1264** 1265** Returns bt_status_t 1266** 1267*******************************************************************************/ 1268static bt_status_t disconnect( bt_bdaddr_t *bd_addr ) 1269{ 1270 CHECK_BTHH_INIT(); 1271 btif_hh_device_t *p_dev; 1272 1273 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1274 { 1275 BTIF_TRACE_WARNING2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1276 return BT_STATUS_FAIL; 1277 } 1278 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1279 if (p_dev != NULL) 1280 { 1281 return btif_transfer_context(btif_hh_handle_evt, BTIF_HH_DISCONNECT_REQ_EVT, 1282 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1283 } 1284 else 1285 { 1286 BTIF_TRACE_WARNING1("%s: Error, device not opened.", __FUNCTION__); 1287 return BT_STATUS_FAIL; 1288 } 1289} 1290 1291/******************************************************************************* 1292** 1293** Function virtual_unplug 1294** 1295** Description Virtual UnPlug (VUP) the specified HID device. 1296** 1297** Returns bt_status_t 1298** 1299*******************************************************************************/ 1300static bt_status_t virtual_unplug (bt_bdaddr_t *bd_addr) 1301{ 1302 CHECK_BTHH_INIT(); 1303 btif_hh_device_t *p_dev; 1304 char bd_str[18]; 1305 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 1306 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 1307 bd_addr->address[4], bd_addr->address[5]); 1308 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1309 { 1310 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1311 return BT_STATUS_FAIL; 1312 } 1313 p_dev = btif_hh_find_dev_by_bda(bd_addr); 1314 if (!p_dev) 1315 { 1316 BTIF_TRACE_ERROR2("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 1317 return BT_STATUS_FAIL; 1318 } 1319 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_VUP_REQ_EVT, 1320 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1321 return BT_STATUS_SUCCESS; 1322} 1323 1324 1325/******************************************************************************* 1326** 1327** Function set_info 1328** 1329** Description Set the HID device descriptor for the specified HID device. 1330** 1331** Returns bt_status_t 1332** 1333*******************************************************************************/ 1334static bt_status_t set_info (bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info ) 1335{ 1336 CHECK_BTHH_INIT(); 1337 tBTA_HH_DEV_DSCP_INFO dscp_info; 1338 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1339 1340 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1341 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1342 BTIF_TRACE_DEBUG6("%s: sub_class = 0x%02x, app_id = %d, vendor_id = 0x%04x, " 1343 "product_id = 0x%04x, version= 0x%04x", 1344 __FUNCTION__, hid_info.sub_class, 1345 hid_info.app_id, hid_info.vendor_id, hid_info.product_id, 1346 hid_info.version); 1347 1348 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1349 { 1350 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1351 return BT_STATUS_FAIL; 1352 } 1353 1354 dscp_info.vendor_id = hid_info.vendor_id; 1355 dscp_info.product_id = hid_info.product_id; 1356 dscp_info.version = hid_info.version; 1357 dscp_info.ctry_code = hid_info.ctry_code; 1358 1359 dscp_info.descriptor.dl_len = hid_info.dl_len; 1360 dscp_info.descriptor.dsc_list = (UINT8 *) GKI_getbuf(dscp_info.descriptor.dl_len); 1361 if (dscp_info.descriptor.dsc_list == NULL) 1362 { 1363 ALOGE("%s: Failed to allocate DSCP for CB", __FUNCTION__); 1364 return BT_STATUS_FAIL; 1365 } 1366 memcpy(dscp_info.descriptor.dsc_list, &(hid_info.dsc_list), hid_info.dl_len); 1367 1368 if (btif_hh_add_added_dev(*bd_addr, hid_info.attr_mask)) 1369 { 1370 BTA_HhAddDev(*bda, hid_info.attr_mask, hid_info.sub_class, 1371 hid_info.app_id, dscp_info); 1372 } 1373 1374 GKI_freebuf(dscp_info.descriptor.dsc_list); 1375 1376 return BT_STATUS_SUCCESS; 1377} 1378/******************************************************************************* 1379** 1380** Function get_idle_time 1381** 1382** Description Get the HID idle time 1383** 1384** Returns bt_status_t 1385** 1386*******************************************************************************/ 1387static bt_status_t get_idle_time(bt_bdaddr_t *bd_addr) 1388{ 1389 CHECK_BTHH_INIT(); 1390 btif_hh_device_t *p_dev; 1391 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1392 1393 BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1394 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1395 1396 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1397 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1398 return BT_STATUS_FAIL; 1399 } 1400 1401 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1402 if (p_dev != NULL) { 1403 //BTA_HhGetIdle(p_dev->dev_handle); 1404 } 1405 else { 1406 return BT_STATUS_FAIL; 1407 } 1408 return BT_STATUS_SUCCESS; 1409} 1410 1411/******************************************************************************* 1412** 1413** Function set_idle_time 1414** 1415** Description Set the HID idle time 1416** 1417** Returns bt_status_t 1418** 1419*******************************************************************************/ 1420static bt_status_t set_idle_time (bt_bdaddr_t *bd_addr, uint8_t idle_time) 1421{ 1422 CHECK_BTHH_INIT(); 1423 btif_hh_device_t *p_dev; 1424 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1425 1426 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1427 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1428 1429 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1430 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1431 return BT_STATUS_FAIL; 1432 } 1433 1434 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1435 if (p_dev == NULL) { 1436 BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1437 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1438 return BT_STATUS_FAIL; 1439 } 1440 else { 1441 //BTA_HhSetIdle(p_dev->dev_handle, idle_time); 1442 } 1443 return BT_STATUS_SUCCESS; 1444} 1445 1446/******************************************************************************* 1447** 1448** Function get_protocol 1449** 1450** Description Get the HID proto mode. 1451** 1452** Returns bt_status_t 1453** 1454*******************************************************************************/ 1455static bt_status_t get_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1456{ 1457 CHECK_BTHH_INIT(); 1458 btif_hh_device_t *p_dev; 1459 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1460 1461 BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1462 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1463 1464 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1465 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1466 return BT_STATUS_FAIL; 1467 } 1468 1469 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1470 if (p_dev != NULL) { 1471 BTA_HhGetProtoMode(p_dev->dev_handle); 1472 } 1473 else { 1474 return BT_STATUS_FAIL; 1475 } 1476 return BT_STATUS_SUCCESS; 1477} 1478 1479/******************************************************************************* 1480** 1481** Function set_protocol 1482** 1483** Description Set the HID proto mode. 1484** 1485** Returns bt_status_t 1486** 1487*******************************************************************************/ 1488static bt_status_t set_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1489{ 1490 CHECK_BTHH_INIT(); 1491 btif_hh_device_t *p_dev; 1492 UINT8 proto_mode = protocolMode; 1493 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1494 1495 BTIF_TRACE_DEBUG2("%s:proto_mode = %d", __FUNCTION__,protocolMode); 1496 1497 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1498 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1499 1500 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1501 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1502 return BT_STATUS_FAIL; 1503 } 1504 1505 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1506 if (p_dev == NULL) { 1507 BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1508 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1509 return BT_STATUS_FAIL; 1510 } 1511 else if (protocolMode != BTA_HH_PROTO_RPT_MODE && protocolMode != BTA_HH_PROTO_BOOT_MODE) { 1512 BTIF_TRACE_WARNING2("s: Error, device proto_mode = %d.", __FUNCTION__, proto_mode); 1513 return BT_STATUS_FAIL; 1514 } 1515 else { 1516 BTA_HhSetProtoMode(p_dev->dev_handle, protocolMode); 1517 } 1518 1519 1520 return BT_STATUS_SUCCESS; 1521} 1522 1523/******************************************************************************* 1524** 1525** Function get_report 1526** 1527** Description Send a GET_REPORT to HID device. 1528** 1529** Returns bt_status_t 1530** 1531*******************************************************************************/ 1532static bt_status_t get_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize) 1533{ 1534 CHECK_BTHH_INIT(); 1535 btif_hh_device_t *p_dev; 1536 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1537 1538 BTIF_TRACE_DEBUG4("%s:proto_mode = %dr_type = %d, rpt_id = %d, buf_size = %d", __FUNCTION__, 1539 reportType, reportId, bufferSize); 1540 1541 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1542 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1543 1544 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1545 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1546 return BT_STATUS_FAIL; 1547 } 1548 1549 1550 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1551 if (p_dev == NULL) { 1552 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1553 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1554 return BT_STATUS_FAIL; 1555 } 1556 else if ( ((int) reportType) <= BTA_HH_RPTT_RESRV || ((int) reportType) > BTA_HH_RPTT_FEATURE) { 1557 BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1558 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1559 return BT_STATUS_FAIL; 1560 } 1561 else { 1562 BTA_HhGetReport(p_dev->dev_handle, reportType, 1563 reportId, bufferSize); 1564 } 1565 1566 return BT_STATUS_SUCCESS; 1567} 1568 1569/******************************************************************************* 1570** 1571** Function set_report 1572** 1573** Description Send a SET_REPORT to HID device. 1574** 1575** Returns bt_status_t 1576** 1577*******************************************************************************/ 1578static bt_status_t set_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report) 1579{ 1580 CHECK_BTHH_INIT(); 1581 btif_hh_device_t *p_dev; 1582 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1583 1584 BTIF_TRACE_DEBUG2("%s:reportType = %d", __FUNCTION__,reportType); 1585 1586 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1587 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1588 1589 1590 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1591 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1592 return BT_STATUS_FAIL; 1593 } 1594 1595 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1596 if (p_dev == NULL) { 1597 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1598 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1599 return BT_STATUS_FAIL; 1600 } 1601 else if ( ( (int) reportType) <= BTA_HH_RPTT_RESRV || ( (int) reportType) > BTA_HH_RPTT_FEATURE) { 1602 BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1603 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1604 return BT_STATUS_FAIL; 1605 } 1606 else { 1607 int hex_bytes_filled; 1608 UINT8 hexbuf[200]; 1609 UINT16 len = (strlen(report) + 1) / 2; 1610 1611 if (p_dev->p_buf != NULL) { 1612 GKI_freebuf(p_dev->p_buf); 1613 } 1614 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 1615 if (p_dev->p_buf == NULL) { 1616 BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", __FUNCTION__, len); 1617 return BT_STATUS_FAIL; 1618 } 1619 1620 p_dev->p_buf->len = len; 1621 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 1622 1623 /* Build a SetReport data buffer */ 1624 memset(hexbuf, 0, 200); 1625 //TODO 1626 hex_bytes_filled = ascii_2_hex(report, len, hexbuf); 1627 ALOGI("Hex bytes filled, hex value: %d", hex_bytes_filled); 1628 1629 if (hex_bytes_filled) { 1630 UINT8* pbuf_data; 1631 pbuf_data = (UINT8*) (p_dev->p_buf + 1) + p_dev->p_buf->offset; 1632 memcpy(pbuf_data, hexbuf, hex_bytes_filled); 1633 BTA_HhSetReport(p_dev->dev_handle, reportType, p_dev->p_buf); 1634 } 1635 return BT_STATUS_SUCCESS; 1636 } 1637 1638 1639} 1640 1641/******************************************************************************* 1642** 1643** Function send_data 1644** 1645** Description Send a SEND_DATA to HID device. 1646** 1647** Returns bt_status_t 1648** 1649*******************************************************************************/ 1650static bt_status_t send_data (bt_bdaddr_t *bd_addr, char* data) 1651{ 1652 CHECK_BTHH_INIT(); 1653 btif_hh_device_t *p_dev; 1654 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1655 1656 BTIF_TRACE_DEBUG1("%s", __FUNCTION__); 1657 1658 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1659 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1660 1661 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1662 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1663 return BT_STATUS_FAIL; 1664 } 1665 1666 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1667 if (p_dev == NULL) { 1668 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1669 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1670 return BT_STATUS_FAIL; 1671 } 1672 1673 else { 1674 int hex_bytes_filled; 1675 UINT8 hexbuf[200]; 1676 UINT16 len = (strlen(data) + 1) / 2; 1677 1678 if (p_dev->p_buf != NULL) { 1679 GKI_freebuf(p_dev->p_buf); 1680 } 1681 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 1682 if (p_dev->p_buf == NULL) { 1683 BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", __FUNCTION__, len); 1684 return BT_STATUS_FAIL; 1685 } 1686 1687 p_dev->p_buf->len = len; 1688 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 1689 1690 /* Build a SetReport data buffer */ 1691 memset(hexbuf, 0, 200); 1692 hex_bytes_filled = ascii_2_hex(data, len, hexbuf); 1693 BTIF_TRACE_ERROR2("Hex bytes filled, hex value: %d, %d", hex_bytes_filled, len); 1694 1695 if (hex_bytes_filled) { 1696 UINT8* pbuf_data; 1697 pbuf_data = (UINT8*) (p_dev->p_buf + 1) + p_dev->p_buf->offset; 1698 memcpy(pbuf_data, hexbuf, hex_bytes_filled); 1699 p_dev->p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 1700 BTA_HhSendData(p_dev->dev_handle, *bda, p_dev->p_buf); 1701 return BT_STATUS_SUCCESS; 1702 } 1703 1704 } 1705 return BT_STATUS_FAIL; 1706} 1707 1708 1709/******************************************************************************* 1710** 1711** Function cleanup 1712** 1713** Description Closes the HH interface 1714** 1715** Returns bt_status_t 1716** 1717*******************************************************************************/ 1718static void cleanup( void ) 1719{ 1720 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1721 btif_hh_device_t *p_dev; 1722 int i; 1723 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1724 BTIF_TRACE_WARNING2("%s: HH disabling or disabled already, status = %d", __FUNCTION__, btif_hh_cb.status); 1725 return; 1726 } 1727 btif_hh_cb.status = BTIF_HH_DISABLING; 1728 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1729 p_dev = &btif_hh_cb.devices[i]; 1730 if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->fd >= 0) { 1731 BTIF_TRACE_DEBUG2("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 1732 bta_hh_co_destroy(p_dev->fd); 1733 p_dev->fd = -1; 1734 p_dev->hh_keep_polling = 0; 1735 p_dev->hh_poll_thread_id = -1; 1736 } 1737 } 1738 1739 if (bt_hh_callbacks) 1740 { 1741 btif_disable_service(BTA_HID_SERVICE_ID); 1742 bt_hh_callbacks = NULL; 1743 } 1744 1745} 1746 1747static const bthh_interface_t bthhInterface = { 1748 sizeof(bthhInterface), 1749 init, 1750 connect, 1751 disconnect, 1752 virtual_unplug, 1753 set_info, 1754 get_protocol, 1755 set_protocol, 1756// get_idle_time, 1757// set_idle_time, 1758 get_report, 1759 set_report, 1760 send_data, 1761 cleanup, 1762}; 1763 1764/******************************************************************************* 1765** 1766** Function btif_hh_execute_service 1767** 1768** Description Initializes/Shuts down the service 1769** 1770** Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise 1771** 1772*******************************************************************************/ 1773bt_status_t btif_hh_execute_service(BOOLEAN b_enable) 1774{ 1775 if (b_enable) 1776 { 1777 /* Enable and register with BTA-HH */ 1778 BTA_HhEnable(BTA_SEC_NONE, bte_hh_evt); 1779 } 1780 else { 1781 /* Disable HH */ 1782 BTA_HhDisable(); 1783 } 1784 return BT_STATUS_SUCCESS; 1785} 1786 1787/******************************************************************************* 1788** 1789** Function btif_hh_get_interface 1790** 1791** Description Get the hh callback interface 1792** 1793** Returns bthh_interface_t 1794** 1795*******************************************************************************/ 1796const bthh_interface_t *btif_hh_get_interface() 1797{ 1798 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1799 return &bthhInterface; 1800} 1801