btif_hh.c revision 0b93f5ce4df14aa3d3100a8f9609a1c7ea4cdbd9
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 p_dev->dev_status = BTHH_CONN_STATE_UNKNOWN; 538 p_dev->dev_handle = BTA_HH_INVALID_HANDLE; 539 if (btif_hh_cb.device_num > 0) { 540 btif_hh_cb.device_num--; 541 } 542 else { 543 BTIF_TRACE_WARNING1("%s: device_num = 0", __FUNCTION__); 544 } 545 if (p_dev->p_buf != NULL) { 546 GKI_freebuf(p_dev->p_buf); 547 p_dev->p_buf = NULL; 548 } 549 550 p_dev->hh_keep_polling = 0; 551 p_dev->hh_poll_thread_id = -1; 552 BTIF_TRACE_DEBUG2("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 553 if (p_dev->fd >= 0) { 554 bta_hh_co_destroy(p_dev->fd); 555 p_dev->fd = -1; 556 } 557} 558 559 560BOOLEAN btif_hh_copy_hid_info(tBTA_HH_DEV_DSCP_INFO* dest , tBTA_HH_DEV_DSCP_INFO* src) 561{ 562 dest->descriptor.dl_len = 0; 563 if (src->descriptor.dl_len >0) 564 { 565 dest->descriptor.dsc_list = (UINT8 *) GKI_getbuf(src->descriptor.dl_len); 566 if (dest->descriptor.dsc_list == NULL) 567 { 568 BTIF_TRACE_WARNING1("%s: Failed to allocate DSCP for CB", __FUNCTION__); 569 return FALSE; 570 } 571 } 572 memcpy(dest->descriptor.dsc_list, src->descriptor.dsc_list, src->descriptor.dl_len); 573 dest->descriptor.dl_len = src->descriptor.dl_len; 574 dest->vendor_id = src->vendor_id; 575 dest->product_id = src->product_id; 576 dest->version = src->version; 577 dest->ctry_code = src->ctry_code; 578 return TRUE; 579} 580 581 582/******************************************************************************* 583** 584** Function btif_hh_virtual_unplug 585** 586** Description Virtual unplug initiated from the BTIF thread context 587** Special handling for HID mouse- 588** 589** Returns void 590** 591*******************************************************************************/ 592 593bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr) 594{ 595 BTIF_TRACE_DEBUG1("%s", __FUNCTION__); 596 btif_hh_device_t *p_dev; 597 char bd_str[18]; 598 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 599 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 600 bd_addr->address[4], bd_addr->address[5]); 601 p_dev = btif_hh_find_dev_by_bda(bd_addr); 602 if ((p_dev != NULL) && (p_dev->dev_status == BTHH_CONN_STATE_CONNECTED) 603 && (p_dev->attr_mask & HID_VIRTUAL_CABLE)) 604 { 605 BTIF_TRACE_DEBUG1("%s Sending BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG", __FUNCTION__); 606 /* start the timer */ 607 btif_hh_start_vup_timer(bd_addr); 608 p_dev->local_vup = TRUE; 609 BTA_HhSendCtrl(p_dev->dev_handle, BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG); 610 return BT_STATUS_SUCCESS; 611 } 612 else 613 { 614 BTIF_TRACE_ERROR2("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 615 return BT_STATUS_FAIL; 616 } 617} 618 619/******************************************************************************* 620** 621** Function btif_hh_connect 622** 623** Description connection initiated from the BTIF thread context 624** 625** Returns int status 626** 627*******************************************************************************/ 628 629bt_status_t btif_hh_connect(bt_bdaddr_t *bd_addr) 630{ 631 btif_hh_device_t *dev; 632 btif_hh_added_device_t *added_dev = NULL; 633 char bda_str[20]; 634 int i; 635 BD_ADDR *bda = (BD_ADDR*)bd_addr; 636 tBTA_HH_CONN conn; 637 CHECK_BTHH_INIT(); 638 dev = btif_hh_find_dev_by_bda(bd_addr); 639 BTIF_TRACE_DEBUG0("Connect _hh"); 640 sprintf(bda_str, "%02X:%02X:%02X:%02X:%02X:%02X", 641 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 642 if (dev == NULL && btif_hh_cb.device_num >= BTIF_HH_MAX_HID) { 643 // No space for more HID device now. 644 BTIF_TRACE_WARNING2("%s: Error, exceeded the maximum supported HID device number %d", 645 __FUNCTION__, BTIF_HH_MAX_HID); 646 return BT_STATUS_FAIL; 647 } 648 649 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 650 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) { 651 added_dev = &btif_hh_cb.added_devices[i]; 652 BTIF_TRACE_WARNING3("%s: Device %s already added, attr_mask = 0x%x", 653 __FUNCTION__, bda_str, added_dev->attr_mask); 654 } 655 } 656 657 if (added_dev != NULL) { 658 if (added_dev->dev_handle == BTA_HH_INVALID_HANDLE) { 659 // No space for more HID device now. 660 BTIF_TRACE_ERROR2("%s: Error, device %s added but addition failed", __FUNCTION__, bda_str); 661 memset(&(added_dev->bd_addr), 0, 6); 662 added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 663 return BT_STATUS_FAIL; 664 } 665 } 666 667 if (added_dev == NULL || 668 (added_dev->attr_mask & HID_NORMALLY_CONNECTABLE) != 0 || 669 (added_dev->attr_mask & HID_RECONN_INIT) == 0) 670 { 671 tBTA_SEC sec_mask = BTUI_HH_SECURITY; 672 btif_hh_cb.status = BTIF_HH_DEV_CONNECTING; 673 BD_ADDR *bda = (BD_ADDR*)bd_addr; 674 BTA_HhOpen(*bda, BTA_HH_PROTO_RPT_MODE, sec_mask); 675 } 676 else 677 { 678 // This device shall be connected from the host side. 679 BTIF_TRACE_ERROR2("%s: Error, device %s can only be reconnected from device side", 680 __FUNCTION__, bda_str); 681 return BT_STATUS_FAIL; 682 } 683 684 HAL_CBACK(bt_hh_callbacks, connection_state_cb, bd_addr, BTHH_CONN_STATE_CONNECTING); 685 return BT_STATUS_SUCCESS; 686} 687 688/******************************************************************************* 689** 690** Function btif_hh_disconnect 691** 692** Description disconnection initiated from the BTIF thread context 693** 694** Returns void 695** 696*******************************************************************************/ 697 698void btif_hh_disconnect(bt_bdaddr_t *bd_addr) 699{ 700 BD_ADDR *bda = (BD_ADDR*)bd_addr; 701 btif_hh_device_t *p_dev; 702 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 703 if (p_dev != NULL) 704 { 705 BTA_HhClose(p_dev->dev_handle); 706 } 707 else 708 BTIF_TRACE_DEBUG1("%s-- Error: device not connected:",__FUNCTION__); 709} 710 711/******************************************************************************* 712** 713** Function btif_btif_hh_setreport 714** 715** Description setreport initiated from the BTIF thread context 716** 717** Returns void 718** 719*******************************************************************************/ 720 721void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type, UINT16 size, 722 UINT8* report) 723{ 724 UINT8 hexbuf[20]; 725 UINT16 len = size; 726 int i = 0; 727 if (p_dev->p_buf != NULL) { 728 GKI_freebuf(p_dev->p_buf); 729 } 730 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 731 if (p_dev->p_buf == NULL) { 732 APPL_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", __FUNCTION__, len); 733 return; 734 } 735 736 p_dev->p_buf->len = len; 737 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 738 739 //Build a SetReport data buffer 740 memset(hexbuf, 0, 20); 741 for(i=0; i<len; i++) 742 hexbuf[i] = report[i]; 743 744 UINT8* pbuf_data; 745 pbuf_data = (UINT8*) (p_dev->p_buf + 1) + p_dev->p_buf->offset; 746 memcpy(pbuf_data, hexbuf, len); 747 BTA_HhSetReport(p_dev->dev_handle, r_type, p_dev->p_buf); 748 749} 750 751/***************************************************************************** 752** Section name (Group of functions) 753*****************************************************************************/ 754 755/***************************************************************************** 756** 757** btif hh api functions (no context switch) 758** 759*****************************************************************************/ 760 761 762/******************************************************************************* 763** 764** Function btif_hh_upstreams_evt 765** 766** Description Executes HH UPSTREAMS events in btif context 767** 768** Returns void 769** 770*******************************************************************************/ 771static void btif_hh_upstreams_evt(UINT16 event, char* p_param) 772{ 773 tBTA_HH *p_data = (tBTA_HH *)p_param; 774 bdstr_t bdstr; 775 btif_hh_device_t *p_dev = NULL; 776 int i; 777 int len, tmplen; 778 779 BTIF_TRACE_DEBUG2("%s: event=%s", __FUNCTION__, dump_hh_event(event)); 780 781 switch (event) 782 { 783 case BTA_HH_ENABLE_EVT: 784 BTIF_TRACE_DEBUG2("%s: BTA_HH_ENABLE_EVT: status =%d",__FUNCTION__, p_data->status); 785 if (p_data->status == BTA_HH_OK) { 786 btif_hh_cb.status = BTIF_HH_ENABLED; 787 BTIF_TRACE_DEBUG1("%s--Loading added devices",__FUNCTION__); 788 /* Add hid descriptors for already bonded hid devices*/ 789 btif_storage_load_bonded_hid_info(); 790 } 791 else { 792 btif_hh_cb.status = BTIF_HH_DISABLED; 793 BTIF_TRACE_WARNING1("BTA_HH_ENABLE_EVT: Error, HH enabling failed, status = %d", p_data->status); 794 } 795 break; 796 797 case BTA_HH_DISABLE_EVT: 798 btif_hh_cb.status = BTIF_HH_DISABLED; 799 if (p_data->status == BTA_HH_OK) { 800 int i; 801 //Clear the control block 802 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 803 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 804 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 805 } 806 } 807 else 808 BTIF_TRACE_WARNING1("BTA_HH_DISABLE_EVT: Error, HH disabling failed, status = %d", p_data->status); 809 break; 810 811 case BTA_HH_OPEN_EVT: 812 BTIF_TRACE_WARNING3("%s: BTA_HH_OPN_EVT: handle=%d, status =%d",__FUNCTION__, p_data->conn.handle, p_data->conn.status); 813 if (p_data->conn.status == BTA_HH_OK) { 814 p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 815 if (p_dev == NULL) { 816 BTIF_TRACE_WARNING1("BTA_HH_OPEN_EVT: Error, cannot find device with handle %d", p_data->conn.handle); 817 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 818 // The connect request must come from device side and exceeded the connected 819 // HID device number. 820 BTA_HhClose(p_data->conn.handle); 821 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 822 } 823 else if (p_dev->fd < 0) { 824 BTIF_TRACE_WARNING0("BTA_HH_OPEN_EVT: Error, failed to find the uhid driver..."); 825 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 826 //remove the connection and then try again to reconnect from the mouse side to recover 827 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 828 BTA_HhClose(p_data->conn.handle); 829 } 830 else { 831 BTIF_TRACE_WARNING1("BTA_HH_OPEN_EVT: Found device...Getting dscp info for handle ... %d",p_data->conn.handle); 832 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 833 btif_hh_cb.status = BTIF_HH_DEV_CONNECTED; 834 // Send set_idle if the peer_device is a keyboard 835 if (check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_KEYBOARD )|| 836 check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_COMBO)) 837 BTA_HhSetIdle(p_data->conn.handle, 0); 838 btif_hh_cb.p_curr_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 839 BTA_HhGetDscpInfo(p_data->conn.handle); 840 p_dev->dev_status = BTHH_CONN_STATE_CONNECTED; 841 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 842 } 843 } 844 else { 845 bt_bdaddr_t *bdaddr = (bt_bdaddr_t*)p_data->conn.bda; 846 btif_dm_hh_open_failed(bdaddr); 847 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 848 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 849 } 850 break; 851 case BTA_HH_CLOSE_EVT: 852 BTIF_TRACE_DEBUG2("BTA_HH_CLOSE_EVT: status = %d, handle = %d", 853 p_data->dev_status.status, p_data->dev_status.handle); 854 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 855 if (p_dev != NULL) { 856 BTIF_TRACE_DEBUG2("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 857 if (p_dev->fd >= 0){ 858 UINT8 hidreport[9]; 859 memset(hidreport,0,9); 860 hidreport[0]=1; 861 bta_hh_co_write(p_dev->fd , hidreport, sizeof(hidreport)); 862 } 863 if(p_dev->vup_timer_active) 864 { 865 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 866 } 867 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 868 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 869 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 870 BTIF_TRACE_DEBUG2("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 871 bta_hh_co_destroy(p_dev->fd); 872 p_dev->fd = -1; 873 } 874 else { 875 BTIF_TRACE_WARNING1("Error: cannot find device with handle %d", p_data->dev_status.handle); 876 } 877 break; 878 case BTA_HH_GET_RPT_EVT: 879 BTIF_TRACE_DEBUG2("BTA_HH_GET_RPT_EVT: status = %d, handle = %d", 880 p_data->hs_data.status, p_data->hs_data.handle); 881 p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 882 HAL_CBACK(bt_hh_callbacks, get_report_cb,(bt_bdaddr_t*) &(p_dev->bd_addr), (bthh_status_t) p_data->hs_data.status, 883 (uint8_t*) p_data->hs_data.rsp_data.p_rpt_data, BT_HDR_SIZE); 884 break; 885 886 case BTA_HH_SET_RPT_EVT: 887 BTIF_TRACE_DEBUG2("BTA_HH_SET_RPT_EVT: status = %d, handle = %d", 888 p_data->dev_status.status, p_data->dev_status.handle); 889 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 890 if (p_dev != NULL && p_dev->p_buf != NULL) { 891 BTIF_TRACE_DEBUG0("Freeing buffer..." ); 892 GKI_freebuf(p_dev->p_buf); 893 p_dev->p_buf = NULL; 894 } 895 break; 896 897 case BTA_HH_GET_PROTO_EVT: 898 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 899 BTIF_TRACE_WARNING4("BTA_HH_GET_PROTO_EVT: status = %d, handle = %d, proto = [%d], %s", 900 p_data->hs_data.status, p_data->hs_data.handle, 901 p_data->hs_data.rsp_data.proto_mode, 902 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE) ? "Report Mode" : 903 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_BOOT_MODE) ? "Boot Mode" : "Unsupported"); 904 HAL_CBACK(bt_hh_callbacks, protocol_mode_cb,(bt_bdaddr_t*) &(p_dev->bd_addr), (bthh_status_t)p_data->hs_data.status, 905 (bthh_protocol_mode_t) p_data->hs_data.rsp_data.proto_mode); 906 break; 907 908 case BTA_HH_SET_PROTO_EVT: 909 BTIF_TRACE_DEBUG2("BTA_HH_SET_PROTO_EVT: status = %d, handle = %d", 910 p_data->dev_status.status, p_data->dev_status.handle); 911 break; 912 913 case BTA_HH_GET_IDLE_EVT: 914 BTIF_TRACE_DEBUG3("BTA_HH_GET_IDLE_EVT: handle = %d, status = %d, rate = %d", 915 p_data->hs_data.handle, p_data->hs_data.status, 916 p_data->hs_data.rsp_data.idle_rate); 917 break; 918 919 case BTA_HH_SET_IDLE_EVT: 920 BTIF_TRACE_DEBUG2("BTA_HH_SET_IDLE_EVT: status = %d, handle = %d", 921 p_data->dev_status.status, p_data->dev_status.handle); 922 break; 923 924 case BTA_HH_GET_DSCP_EVT: 925 BTIF_TRACE_WARNING2("BTA_HH_GET_DSCP_EVT: status = %d, handle = %d", 926 p_data->dev_status.status, p_data->dev_status.handle); 927 len = p_data->dscp_info.descriptor.dl_len; 928 BTIF_TRACE_DEBUG1("BTA_HH_GET_DSCP_EVT: len = %d", len); 929 p_dev = btif_hh_cb.p_curr_dev; 930 if (p_dev == NULL) { 931 BTIF_TRACE_ERROR0("BTA_HH_GET_DSCP_EVT: No HID device is currently connected"); 932 return; 933 } 934 if (p_dev->fd < 0) { 935 ALOGE("BTA_HH_GET_DSCP_EVT: Error, failed to find the uhid driver..."); 936 return; 937 } 938 { 939 char *cached_name = NULL; 940 bt_bdname_t bdname; 941 bt_property_t prop_name; 942 BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME, 943 sizeof(bt_bdname_t), &bdname); 944 if (btif_storage_get_remote_device_property( 945 &p_dev->bd_addr, &prop_name) == BT_STATUS_SUCCESS) 946 { 947 cached_name = (char *)bdname.name; 948 } 949 else 950 { 951 cached_name = "Bluetooth HID"; 952 } 953 954 BTIF_TRACE_WARNING2("%s: name = %s", __FUNCTION__, cached_name); 955 bta_hh_co_send_hid_info(p_dev, cached_name, 956 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 957 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 958 len, p_data->dscp_info.descriptor.dsc_list); 959 if (btif_hh_add_added_dev(p_dev->bd_addr, p_dev->attr_mask)) { 960 BD_ADDR bda; 961 bdcpy(bda, p_dev->bd_addr.address); 962 tBTA_HH_DEV_DSCP_INFO dscp_info; 963 bt_status_t ret; 964 bdcpy(bda, p_dev->bd_addr.address); 965 btif_hh_copy_hid_info(&dscp_info, &p_data->dscp_info); 966 BTIF_TRACE_DEBUG6("BTA_HH_GET_DSCP_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 967 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 968 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 969 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 970 BTA_HhAddDev(bda, p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, dscp_info); 971 // write hid info to nvram 972 ret = btif_storage_add_hid_device_info(&(p_dev->bd_addr), p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, 973 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 974 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 975 len, p_data->dscp_info.descriptor.dsc_list); 976 977 ASSERTC(ret == BT_STATUS_SUCCESS, "storing hid info failed", ret); 978 BTIF_TRACE_WARNING0("BTA_HH_GET_DSCP_EVT: Called add device"); 979 980 //Free buffer created for dscp_info; 981 if (dscp_info.descriptor.dl_len >0 && dscp_info.descriptor.dsc_list != NULL) 982 { 983 GKI_freebuf(dscp_info.descriptor.dsc_list); 984 dscp_info.descriptor.dsc_list = NULL; 985 dscp_info.descriptor.dl_len=0; 986 } 987 } 988 else { 989 //Device already added. 990 BTIF_TRACE_WARNING1("%s: Device already added ",__FUNCTION__); 991 } 992 /*Sync HID Keyboard lockstates */ 993 tmplen = sizeof(hid_kb_numlock_on_list) 994 / sizeof(tHID_KB_LIST); 995 for(i = 0; i< tmplen; i++) 996 { 997 if(p_data->dscp_info.vendor_id 998 == hid_kb_numlock_on_list[i].version_id && 999 p_data->dscp_info.product_id 1000 == hid_kb_numlock_on_list[i].product_id) 1001 { 1002 BTIF_TRACE_DEBUG3("%s() idx[%d] Enabling "\ 1003 "NUMLOCK for device :: %s", __FUNCTION__, 1004 i, hid_kb_numlock_on_list[i].kb_name); 1005 /* Enable NUMLOCK by default so that numeric 1006 keys work from first keyboard connect */ 1007 set_keylockstate(BTIF_HH_KEYSTATE_MASK_NUMLOCK, 1008 TRUE); 1009 sync_lockstate_on_connect(p_dev); 1010 /* End Sync HID Keyboard lockstates */ 1011 break; 1012 } 1013 } 1014 } 1015 break; 1016 1017 case BTA_HH_ADD_DEV_EVT: 1018 BTIF_TRACE_WARNING2("BTA_HH_ADD_DEV_EVT: status = %d, handle = %d",p_data->dev_info.status, p_data->dev_info.handle); 1019 int i; 1020 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 1021 if (memcmp(btif_hh_cb.added_devices[i].bd_addr.address, p_data->dev_info.bda, 6) == 0) { 1022 if (p_data->dev_info.status == BTA_HH_OK) { 1023 btif_hh_cb.added_devices[i].dev_handle = p_data->dev_info.handle; 1024 } 1025 else { 1026 memset(btif_hh_cb.added_devices[i].bd_addr.address, 0, 6); 1027 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 1028 } 1029 break; 1030 } 1031 } 1032 break; 1033 case BTA_HH_RMV_DEV_EVT: 1034 BTIF_TRACE_DEBUG2("BTA_HH_RMV_DEV_EVT: status = %d, handle = %d", 1035 p_data->dev_info.status, p_data->dev_info.handle); 1036 BTIF_TRACE_DEBUG6("BTA_HH_RMV_DEV_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1037 p_data->dev_info.bda[0], p_data->dev_info.bda[1], p_data->dev_info.bda[2], 1038 p_data->dev_info.bda[3], p_data->dev_info.bda[4], p_data->dev_info.bda[5]); 1039 break; 1040 1041 1042 case BTA_HH_VC_UNPLUG_EVT: 1043 BTIF_TRACE_DEBUG2("BTA_HH_VC_UNPLUG_EVT: status = %d, handle = %d", 1044 p_data->dev_status.status, p_data->dev_status.handle); 1045 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 1046 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 1047 if (p_dev != NULL) { 1048 BTIF_TRACE_DEBUG6("BTA_HH_VC_UNPLUG_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1049 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 1050 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 1051 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 1052 /* Stop the VUP timer */ 1053 if(p_dev->vup_timer_active) 1054 { 1055 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 1056 } 1057 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 1058 BTIF_TRACE_DEBUG1("%s---Sending connection state change", __FUNCTION__); 1059 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 1060 BTIF_TRACE_DEBUG1("%s---Removing HID bond", __FUNCTION__); 1061 /* If it is locally initiated VUP or remote device has its major COD as 1062 Peripheral removed the bond.*/ 1063 if (p_dev->local_vup || check_cod_hid(&(p_dev->bd_addr), COD_HID_MAJOR)) 1064 { 1065 p_dev->local_vup = FALSE; 1066 BTA_DmRemoveDevice((UINT8 *)p_dev->bd_addr.address); 1067 } 1068 else 1069 btif_hh_remove_device(p_dev->bd_addr); 1070 HAL_CBACK(bt_hh_callbacks, virtual_unplug_cb,&(p_dev->bd_addr), 1071 p_data->dev_status.status); 1072 } 1073 break; 1074 1075 case BTA_HH_API_ERR_EVT : 1076 ALOGI("BTA_HH API_ERR"); 1077 break; 1078 1079 1080 1081 default: 1082 BTIF_TRACE_WARNING2("%s: Unhandled event: %d", __FUNCTION__, event); 1083 break; 1084 } 1085} 1086 1087/******************************************************************************* 1088** 1089** Function bte_hh_evt 1090** 1091** Description Switches context from BTE to BTIF for all HH events 1092** 1093** Returns void 1094** 1095*******************************************************************************/ 1096 1097static void bte_hh_evt(tBTA_HH_EVT event, tBTA_HH *p_data) 1098{ 1099 bt_status_t status; 1100 int param_len = 0; 1101 1102 if (BTA_HH_ENABLE_EVT == event) 1103 param_len = sizeof(tBTA_HH_STATUS); 1104 else if (BTA_HH_OPEN_EVT == event) 1105 param_len = sizeof(tBTA_HH_CONN); 1106 else if (BTA_HH_DISABLE_EVT == event) 1107 param_len = sizeof(tBTA_HH_STATUS); 1108 else if (BTA_HH_CLOSE_EVT == event) 1109 param_len = sizeof(tBTA_HH_CBDATA); 1110 else if (BTA_HH_GET_DSCP_EVT == event) 1111 param_len = sizeof(tBTA_HH_DEV_DSCP_INFO); 1112 else if ((BTA_HH_GET_PROTO_EVT == event) || (BTA_HH_GET_RPT_EVT == event)|| (BTA_HH_GET_IDLE_EVT == event)) 1113 param_len = sizeof(tBTA_HH_HSDATA); 1114 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)) 1115 param_len = sizeof(tBTA_HH_CBDATA); 1116 else if ((BTA_HH_ADD_DEV_EVT == event) || (BTA_HH_RMV_DEV_EVT == event) ) 1117 param_len = sizeof(tBTA_HH_DEV_INFO); 1118 else if (BTA_HH_API_ERR_EVT == event) 1119 param_len = 0; 1120 /* switch context to btif task context (copy full union size for convenience) */ 1121 status = btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)p_data, param_len, NULL); 1122 1123 /* catch any failed context transfers */ 1124 ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); 1125} 1126 1127/******************************************************************************* 1128** 1129** Function btif_hh_handle_evt 1130** 1131** Description Switches context for immediate callback 1132** 1133** Returns void 1134** 1135*******************************************************************************/ 1136 1137static void btif_hh_handle_evt(UINT16 event, char *p_param) 1138{ 1139 bt_bdaddr_t *bd_addr = (bt_bdaddr_t*)p_param; 1140 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1141 int ret; 1142 switch(event) 1143 { 1144 case BTIF_HH_CONNECT_REQ_EVT: 1145 { 1146 ret = btif_hh_connect(bd_addr); 1147 if(ret == BT_STATUS_SUCCESS) 1148 { 1149 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_CONNECTING); 1150 } 1151 else 1152 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTED); 1153 } 1154 break; 1155 1156 case BTIF_HH_DISCONNECT_REQ_EVT: 1157 { 1158 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1159 btif_hh_disconnect(bd_addr); 1160 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTING); 1161 } 1162 break; 1163 1164 case BTIF_HH_VUP_REQ_EVT: 1165 { 1166 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1167 ret = btif_hh_virtual_unplug(bd_addr); 1168 } 1169 break; 1170 1171 default: 1172 { 1173 BTIF_TRACE_WARNING2("%s : Unknown event 0x%x", __FUNCTION__, event); 1174 } 1175 break; 1176 } 1177} 1178 1179/******************************************************************************* 1180** 1181** Function btif_hh_tmr_hdlr 1182** 1183** Description Process timer timeout 1184** 1185** Returns void 1186*******************************************************************************/ 1187void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle) 1188{ 1189 btif_hh_device_t *p_dev; 1190 UINT8 i,j; 1191 tBTA_HH_EVT event; 1192 tBTA_HH p_data; 1193 int param_len = 0; 1194 memset(&p_data, 0, sizeof(tBTA_HH)); 1195 1196 BTIF_TRACE_DEBUG2("%s timer_in_use=%d", __FUNCTION__, tle->in_use ); 1197 1198 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1199 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED) 1200 { 1201 1202 p_dev = &btif_hh_cb.devices[i]; 1203 1204 if (p_dev->vup_timer_active) 1205 { 1206 p_dev->vup_timer_active = FALSE; 1207 event = BTA_HH_VC_UNPLUG_EVT; 1208 p_data.dev_status.status = BTHH_ERR; 1209 p_data.dev_status.handle = p_dev->dev_handle; 1210 param_len = sizeof(tBTA_HH_CBDATA); 1211 1212 /* switch context to btif task context */ 1213 btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)&p_data, 1214 param_len, NULL); 1215 } 1216 } 1217 } 1218} 1219 1220/******************************************************************************* 1221** 1222** Function btif_hh_init 1223** 1224** Description initializes the hh interface 1225** 1226** Returns bt_status_t 1227** 1228*******************************************************************************/ 1229static bt_status_t init( bthh_callbacks_t* callbacks ) 1230{ 1231 UINT32 i; 1232 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1233 1234 bt_hh_callbacks = callbacks; 1235 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 1236 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 1237 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 1238 } 1239 /* Invoke the enable service API to the core to set the appropriate service_id */ 1240 btif_enable_service(BTA_HID_SERVICE_ID); 1241 return BT_STATUS_SUCCESS; 1242} 1243 1244/******************************************************************************* 1245** 1246** Function connect 1247** 1248** Description connect to hid device 1249** 1250** Returns bt_status_t 1251** 1252*******************************************************************************/ 1253static bt_status_t connect( bt_bdaddr_t *bd_addr) 1254{ 1255 if(btif_hh_cb.status != BTIF_HH_DEV_CONNECTING) 1256 { 1257 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_CONNECT_REQ_EVT, 1258 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1259 return BT_STATUS_SUCCESS; 1260 } 1261 else 1262 return BT_STATUS_BUSY; 1263} 1264 1265/******************************************************************************* 1266** 1267** Function disconnect 1268** 1269** Description disconnect from hid device 1270** 1271** Returns bt_status_t 1272** 1273*******************************************************************************/ 1274static bt_status_t disconnect( bt_bdaddr_t *bd_addr ) 1275{ 1276 CHECK_BTHH_INIT(); 1277 btif_hh_device_t *p_dev; 1278 1279 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1280 { 1281 BTIF_TRACE_WARNING2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1282 return BT_STATUS_FAIL; 1283 } 1284 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1285 if (p_dev != NULL) 1286 { 1287 return btif_transfer_context(btif_hh_handle_evt, BTIF_HH_DISCONNECT_REQ_EVT, 1288 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1289 } 1290 else 1291 { 1292 BTIF_TRACE_WARNING1("%s: Error, device not opened.", __FUNCTION__); 1293 return BT_STATUS_FAIL; 1294 } 1295} 1296 1297/******************************************************************************* 1298** 1299** Function virtual_unplug 1300** 1301** Description Virtual UnPlug (VUP) the specified HID device. 1302** 1303** Returns bt_status_t 1304** 1305*******************************************************************************/ 1306static bt_status_t virtual_unplug (bt_bdaddr_t *bd_addr) 1307{ 1308 CHECK_BTHH_INIT(); 1309 btif_hh_device_t *p_dev; 1310 char bd_str[18]; 1311 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 1312 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 1313 bd_addr->address[4], bd_addr->address[5]); 1314 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1315 { 1316 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1317 return BT_STATUS_FAIL; 1318 } 1319 p_dev = btif_hh_find_dev_by_bda(bd_addr); 1320 if (!p_dev) 1321 { 1322 BTIF_TRACE_ERROR2("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 1323 return BT_STATUS_FAIL; 1324 } 1325 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_VUP_REQ_EVT, 1326 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1327 return BT_STATUS_SUCCESS; 1328} 1329 1330 1331/******************************************************************************* 1332** 1333** Function set_info 1334** 1335** Description Set the HID device descriptor for the specified HID device. 1336** 1337** Returns bt_status_t 1338** 1339*******************************************************************************/ 1340static bt_status_t set_info (bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info ) 1341{ 1342 CHECK_BTHH_INIT(); 1343 tBTA_HH_DEV_DSCP_INFO dscp_info; 1344 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1345 1346 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1347 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1348 BTIF_TRACE_DEBUG6("%s: sub_class = 0x%02x, app_id = %d, vendor_id = 0x%04x, " 1349 "product_id = 0x%04x, version= 0x%04x", 1350 __FUNCTION__, hid_info.sub_class, 1351 hid_info.app_id, hid_info.vendor_id, hid_info.product_id, 1352 hid_info.version); 1353 1354 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1355 { 1356 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1357 return BT_STATUS_FAIL; 1358 } 1359 1360 dscp_info.vendor_id = hid_info.vendor_id; 1361 dscp_info.product_id = hid_info.product_id; 1362 dscp_info.version = hid_info.version; 1363 dscp_info.ctry_code = hid_info.ctry_code; 1364 1365 dscp_info.descriptor.dl_len = hid_info.dl_len; 1366 dscp_info.descriptor.dsc_list = (UINT8 *) GKI_getbuf(dscp_info.descriptor.dl_len); 1367 if (dscp_info.descriptor.dsc_list == NULL) 1368 { 1369 ALOGE("%s: Failed to allocate DSCP for CB", __FUNCTION__); 1370 return BT_STATUS_FAIL; 1371 } 1372 memcpy(dscp_info.descriptor.dsc_list, &(hid_info.dsc_list), hid_info.dl_len); 1373 1374 if (btif_hh_add_added_dev(*bd_addr, hid_info.attr_mask)) 1375 { 1376 BTA_HhAddDev(*bda, hid_info.attr_mask, hid_info.sub_class, 1377 hid_info.app_id, dscp_info); 1378 } 1379 1380 GKI_freebuf(dscp_info.descriptor.dsc_list); 1381 1382 return BT_STATUS_SUCCESS; 1383} 1384/******************************************************************************* 1385** 1386** Function get_idle_time 1387** 1388** Description Get the HID idle time 1389** 1390** Returns bt_status_t 1391** 1392*******************************************************************************/ 1393static bt_status_t get_idle_time(bt_bdaddr_t *bd_addr) 1394{ 1395 CHECK_BTHH_INIT(); 1396 btif_hh_device_t *p_dev; 1397 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1398 1399 BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1400 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1401 1402 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1403 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1404 return BT_STATUS_FAIL; 1405 } 1406 1407 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1408 if (p_dev != NULL) { 1409 //BTA_HhGetIdle(p_dev->dev_handle); 1410 } 1411 else { 1412 return BT_STATUS_FAIL; 1413 } 1414 return BT_STATUS_SUCCESS; 1415} 1416 1417/******************************************************************************* 1418** 1419** Function set_idle_time 1420** 1421** Description Set the HID idle time 1422** 1423** Returns bt_status_t 1424** 1425*******************************************************************************/ 1426static bt_status_t set_idle_time (bt_bdaddr_t *bd_addr, uint8_t idle_time) 1427{ 1428 CHECK_BTHH_INIT(); 1429 btif_hh_device_t *p_dev; 1430 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1431 1432 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1433 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1434 1435 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1436 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1437 return BT_STATUS_FAIL; 1438 } 1439 1440 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1441 if (p_dev == NULL) { 1442 BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1443 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1444 return BT_STATUS_FAIL; 1445 } 1446 else { 1447 //BTA_HhSetIdle(p_dev->dev_handle, idle_time); 1448 } 1449 return BT_STATUS_SUCCESS; 1450} 1451 1452/******************************************************************************* 1453** 1454** Function get_protocol 1455** 1456** Description Get the HID proto mode. 1457** 1458** Returns bt_status_t 1459** 1460*******************************************************************************/ 1461static bt_status_t get_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1462{ 1463 CHECK_BTHH_INIT(); 1464 btif_hh_device_t *p_dev; 1465 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1466 1467 BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1468 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1469 1470 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1471 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1472 return BT_STATUS_FAIL; 1473 } 1474 1475 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1476 if (p_dev != NULL) { 1477 BTA_HhGetProtoMode(p_dev->dev_handle); 1478 } 1479 else { 1480 return BT_STATUS_FAIL; 1481 } 1482 return BT_STATUS_SUCCESS; 1483} 1484 1485/******************************************************************************* 1486** 1487** Function set_protocol 1488** 1489** Description Set the HID proto mode. 1490** 1491** Returns bt_status_t 1492** 1493*******************************************************************************/ 1494static bt_status_t set_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1495{ 1496 CHECK_BTHH_INIT(); 1497 btif_hh_device_t *p_dev; 1498 UINT8 proto_mode = protocolMode; 1499 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1500 1501 BTIF_TRACE_DEBUG2("%s:proto_mode = %d", __FUNCTION__,protocolMode); 1502 1503 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1504 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1505 1506 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1507 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1508 return BT_STATUS_FAIL; 1509 } 1510 1511 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1512 if (p_dev == NULL) { 1513 BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1514 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1515 return BT_STATUS_FAIL; 1516 } 1517 else if (protocolMode != BTA_HH_PROTO_RPT_MODE && protocolMode != BTA_HH_PROTO_BOOT_MODE) { 1518 BTIF_TRACE_WARNING2("s: Error, device proto_mode = %d.", __FUNCTION__, proto_mode); 1519 return BT_STATUS_FAIL; 1520 } 1521 else { 1522 BTA_HhSetProtoMode(p_dev->dev_handle, protocolMode); 1523 } 1524 1525 1526 return BT_STATUS_SUCCESS; 1527} 1528 1529/******************************************************************************* 1530** 1531** Function get_report 1532** 1533** Description Send a GET_REPORT to HID device. 1534** 1535** Returns bt_status_t 1536** 1537*******************************************************************************/ 1538static bt_status_t get_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize) 1539{ 1540 CHECK_BTHH_INIT(); 1541 btif_hh_device_t *p_dev; 1542 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1543 1544 BTIF_TRACE_DEBUG4("%s:proto_mode = %dr_type = %d, rpt_id = %d, buf_size = %d", __FUNCTION__, 1545 reportType, reportId, bufferSize); 1546 1547 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1548 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1549 1550 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1551 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1552 return BT_STATUS_FAIL; 1553 } 1554 1555 1556 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1557 if (p_dev == NULL) { 1558 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1559 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1560 return BT_STATUS_FAIL; 1561 } 1562 else if ( ((int) reportType) <= BTA_HH_RPTT_RESRV || ((int) reportType) > BTA_HH_RPTT_FEATURE) { 1563 BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1564 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1565 return BT_STATUS_FAIL; 1566 } 1567 else { 1568 BTA_HhGetReport(p_dev->dev_handle, reportType, 1569 reportId, bufferSize); 1570 } 1571 1572 return BT_STATUS_SUCCESS; 1573} 1574 1575/******************************************************************************* 1576** 1577** Function set_report 1578** 1579** Description Send a SET_REPORT to HID device. 1580** 1581** Returns bt_status_t 1582** 1583*******************************************************************************/ 1584static bt_status_t set_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report) 1585{ 1586 CHECK_BTHH_INIT(); 1587 btif_hh_device_t *p_dev; 1588 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1589 1590 BTIF_TRACE_DEBUG2("%s:reportType = %d", __FUNCTION__,reportType); 1591 1592 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1593 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1594 1595 1596 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1597 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1598 return BT_STATUS_FAIL; 1599 } 1600 1601 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1602 if (p_dev == NULL) { 1603 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1604 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1605 return BT_STATUS_FAIL; 1606 } 1607 else if ( ( (int) reportType) <= BTA_HH_RPTT_RESRV || ( (int) reportType) > BTA_HH_RPTT_FEATURE) { 1608 BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1609 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1610 return BT_STATUS_FAIL; 1611 } 1612 else { 1613 int hex_bytes_filled; 1614 UINT8 hexbuf[200]; 1615 UINT16 len = (strlen(report) + 1) / 2; 1616 1617 if (p_dev->p_buf != NULL) { 1618 GKI_freebuf(p_dev->p_buf); 1619 } 1620 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 1621 if (p_dev->p_buf == NULL) { 1622 BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", __FUNCTION__, len); 1623 return BT_STATUS_FAIL; 1624 } 1625 1626 p_dev->p_buf->len = len; 1627 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 1628 1629 /* Build a SetReport data buffer */ 1630 memset(hexbuf, 0, 200); 1631 //TODO 1632 hex_bytes_filled = ascii_2_hex(report, len, hexbuf); 1633 ALOGI("Hex bytes filled, hex value: %d", hex_bytes_filled); 1634 1635 if (hex_bytes_filled) { 1636 UINT8* pbuf_data; 1637 pbuf_data = (UINT8*) (p_dev->p_buf + 1) + p_dev->p_buf->offset; 1638 memcpy(pbuf_data, hexbuf, hex_bytes_filled); 1639 BTA_HhSetReport(p_dev->dev_handle, reportType, p_dev->p_buf); 1640 } 1641 return BT_STATUS_SUCCESS; 1642 } 1643 1644 1645} 1646 1647/******************************************************************************* 1648** 1649** Function send_data 1650** 1651** Description Send a SEND_DATA to HID device. 1652** 1653** Returns bt_status_t 1654** 1655*******************************************************************************/ 1656static bt_status_t send_data (bt_bdaddr_t *bd_addr, char* data) 1657{ 1658 CHECK_BTHH_INIT(); 1659 btif_hh_device_t *p_dev; 1660 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1661 1662 BTIF_TRACE_DEBUG1("%s", __FUNCTION__); 1663 1664 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1665 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1666 1667 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1668 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1669 return BT_STATUS_FAIL; 1670 } 1671 1672 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1673 if (p_dev == NULL) { 1674 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1675 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1676 return BT_STATUS_FAIL; 1677 } 1678 1679 else { 1680 int hex_bytes_filled; 1681 UINT8 hexbuf[200]; 1682 UINT16 len = (strlen(data) + 1) / 2; 1683 1684 if (p_dev->p_buf != NULL) { 1685 GKI_freebuf(p_dev->p_buf); 1686 } 1687 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 1688 if (p_dev->p_buf == NULL) { 1689 BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", __FUNCTION__, len); 1690 return BT_STATUS_FAIL; 1691 } 1692 1693 p_dev->p_buf->len = len; 1694 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 1695 1696 /* Build a SetReport data buffer */ 1697 memset(hexbuf, 0, 200); 1698 hex_bytes_filled = ascii_2_hex(data, len, hexbuf); 1699 BTIF_TRACE_ERROR2("Hex bytes filled, hex value: %d, %d", hex_bytes_filled, len); 1700 1701 if (hex_bytes_filled) { 1702 UINT8* pbuf_data; 1703 pbuf_data = (UINT8*) (p_dev->p_buf + 1) + p_dev->p_buf->offset; 1704 memcpy(pbuf_data, hexbuf, hex_bytes_filled); 1705 p_dev->p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 1706 BTA_HhSendData(p_dev->dev_handle, *bda, p_dev->p_buf); 1707 return BT_STATUS_SUCCESS; 1708 } 1709 1710 } 1711 return BT_STATUS_FAIL; 1712} 1713 1714 1715/******************************************************************************* 1716** 1717** Function cleanup 1718** 1719** Description Closes the HH interface 1720** 1721** Returns bt_status_t 1722** 1723*******************************************************************************/ 1724static void cleanup( void ) 1725{ 1726 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1727 btif_hh_device_t *p_dev; 1728 int i; 1729 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1730 BTIF_TRACE_WARNING2("%s: HH disabling or disabled already, status = %d", __FUNCTION__, btif_hh_cb.status); 1731 return; 1732 } 1733 btif_hh_cb.status = BTIF_HH_DISABLING; 1734 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1735 p_dev = &btif_hh_cb.devices[i]; 1736 if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->fd >= 0) { 1737 BTIF_TRACE_DEBUG2("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 1738 bta_hh_co_destroy(p_dev->fd); 1739 p_dev->fd = -1; 1740 p_dev->hh_keep_polling = 0; 1741 p_dev->hh_poll_thread_id = -1; 1742 } 1743 } 1744 1745 if (bt_hh_callbacks) 1746 { 1747 btif_disable_service(BTA_HID_SERVICE_ID); 1748 bt_hh_callbacks = NULL; 1749 } 1750 1751} 1752 1753static const bthh_interface_t bthhInterface = { 1754 sizeof(bthhInterface), 1755 init, 1756 connect, 1757 disconnect, 1758 virtual_unplug, 1759 set_info, 1760 get_protocol, 1761 set_protocol, 1762// get_idle_time, 1763// set_idle_time, 1764 get_report, 1765 set_report, 1766 send_data, 1767 cleanup, 1768}; 1769 1770/******************************************************************************* 1771** 1772** Function btif_hh_execute_service 1773** 1774** Description Initializes/Shuts down the service 1775** 1776** Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise 1777** 1778*******************************************************************************/ 1779bt_status_t btif_hh_execute_service(BOOLEAN b_enable) 1780{ 1781 if (b_enable) 1782 { 1783 /* Enable and register with BTA-HH */ 1784 BTA_HhEnable(BTA_SEC_NONE, bte_hh_evt); 1785 } 1786 else { 1787 /* Disable HH */ 1788 BTA_HhDisable(); 1789 } 1790 return BT_STATUS_SUCCESS; 1791} 1792 1793/******************************************************************************* 1794** 1795** Function btif_hh_get_interface 1796** 1797** Description Get the hh callback interface 1798** 1799** Returns bthh_interface_t 1800** 1801*******************************************************************************/ 1802const bthh_interface_t *btif_hh_get_interface() 1803{ 1804 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1805 return &bthhInterface; 1806} 1807