btif_hh.c revision c0f7987d626a70b1a23a28348ece8be69ce61a16
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 create_pbuf 253** 254** Description Helper function to create p_buf for send_data or set_report 255** 256*******************************************************************************/ 257static BT_HDR *create_pbuf(UINT16 len, UINT8 *data) 258{ 259 BT_HDR* p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 260 261 if (p_buf) { 262 UINT8* pbuf_data; 263 264 p_buf->len = len; 265 p_buf->offset = BTA_HH_MIN_OFFSET; 266 267 pbuf_data = (UINT8*) (p_buf + 1) + p_buf->offset; 268 memcpy(pbuf_data, data, len); 269 } 270 return p_buf; 271} 272 273/******************************************************************************* 274** 275** Function update_keyboard_lockstates 276** 277** Description Sends a report to the keyboard to set the lock states of keys 278** 279*******************************************************************************/ 280static void update_keyboard_lockstates(btif_hh_device_t *p_dev) 281{ 282 UINT8 len = 2; /* reportid + 1 byte report*/ 283 BD_ADDR* bda; 284 BT_HDR* p_buf; 285 UINT8 data[] = {0x01, /* report id */ 286 btif_hh_keylockstates}; /* keystate */ 287 288 /* Set report for other keyboards */ 289 BTIF_TRACE_EVENT3("%s: setting report on dev_handle %d to 0x%x", 290 __FUNCTION__, p_dev->dev_handle, btif_hh_keylockstates); 291 292 /* Get SetReport buffer */ 293 p_buf = create_pbuf(len, data); 294 if (p_buf != NULL) { 295 p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 296 bda = (BD_ADDR*) (&p_dev->bd_addr); 297 BTA_HhSendData(p_dev->dev_handle, *bda, p_buf); 298 } 299} 300 301/******************************************************************************* 302** 303** Function sync_lockstate_on_connect 304** 305** Description Function to update the keyboard lock states managed by the OS 306** when a HID keyboard is connected or disconnected and reconnected 307** Returns void 308*******************************************************************************/ 309static void sync_lockstate_on_connect(btif_hh_device_t *p_dev) 310{ 311 int keylockstates; 312 313 BTIF_TRACE_EVENT1("%s: Syncing keyboard lock states after "\ 314 "reconnect...",__FUNCTION__); 315 /*If the device is connected, update keyboard state */ 316 update_keyboard_lockstates(p_dev); 317 318 /*Check if the lockstate of caps,scroll,num is set. 319 If so, send a report to the kernel 320 so the lockstate is in sync */ 321 keylockstates = get_keylockstates(); 322 if (keylockstates) 323 { 324 BTIF_TRACE_DEBUG2("%s: Sending hid report to kernel "\ 325 "indicating lock key state 0x%x",__FUNCTION__, 326 keylockstates); 327 usleep(200000); 328 toggle_os_keylockstates(p_dev->fd, keylockstates); 329 } 330 else 331 { 332 BTIF_TRACE_DEBUG2("%s: NOT sending hid report to kernel "\ 333 "indicating lock key state 0x%x",__FUNCTION__, 334 keylockstates); 335 } 336} 337 338/******************************************************************************* 339** 340** Function btif_hh_find_dev_by_handle 341** 342** Description Return the device pointer of the specified device handle 343** 344** Returns Device entry pointer in the device table 345*******************************************************************************/ 346static btif_hh_device_t *btif_hh_find_dev_by_handle(UINT8 handle) 347{ 348 UINT32 i; 349 // LOGV("%s: handle = %d", __FUNCTION__, handle); 350 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 351 if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN && 352 btif_hh_cb.devices[i].dev_handle == handle) 353 { 354 return &btif_hh_cb.devices[i]; 355 } 356 } 357 return NULL; 358} 359 360 361/******************************************************************************* 362** 363** Function btif_hh_find_connected_dev_by_handle 364** 365** Description Return the connected device pointer of the specified device handle 366** 367** Returns Device entry pointer in the device table 368*******************************************************************************/ 369btif_hh_device_t *btif_hh_find_connected_dev_by_handle(UINT8 handle) 370{ 371 UINT32 i; 372 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 373 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 374 btif_hh_cb.devices[i].dev_handle == handle) 375 { 376 return &btif_hh_cb.devices[i]; 377 } 378 } 379 return NULL; 380} 381 382/******************************************************************************* 383** 384** Function btif_hh_find_dev_by_bda 385** 386** Description Return the device pointer of the specified bt_bdaddr_t. 387** 388** Returns Device entry pointer in the device table 389*******************************************************************************/ 390static btif_hh_device_t *btif_hh_find_dev_by_bda(bt_bdaddr_t *bd_addr) 391{ 392 UINT32 i; 393 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 394 if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN && 395 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 396 { 397 return &btif_hh_cb.devices[i]; 398 } 399 } 400 return NULL; 401} 402 403/******************************************************************************* 404** 405** Function btif_hh_find_connected_dev_by_bda 406** 407** Description Return the connected device pointer of the specified bt_bdaddr_t. 408** 409** Returns Device entry pointer in the device table 410*******************************************************************************/ 411static btif_hh_device_t *btif_hh_find_connected_dev_by_bda(bt_bdaddr_t *bd_addr) 412{ 413 UINT32 i; 414 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 415 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 416 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 417 { 418 return &btif_hh_cb.devices[i]; 419 } 420 } 421 return NULL; 422} 423 424/******************************************************************************* 425** 426** Function btif_hh_stop_vup_timer 427** 428** Description stop vitual unplug timer 429** 430** Returns void 431*******************************************************************************/ 432void btif_hh_stop_vup_timer(bt_bdaddr_t *bd_addr) 433{ 434 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 435 if(p_dev != NULL) 436 { 437 if (p_dev->vup_timer_active) 438 { 439 BTIF_TRACE_DEBUG0("stop VUP timer "); 440 btu_stop_timer(&p_dev->vup_timer); 441 } 442 p_dev->vup_timer_active = FALSE; 443 } 444} 445/******************************************************************************* 446** 447** Function btif_hh_start_vup_timer 448** 449** Description start virtual unplug timer 450** 451** Returns void 452*******************************************************************************/ 453void btif_hh_start_vup_timer(bt_bdaddr_t *bd_addr) 454{ 455 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 456 457 if (p_dev->vup_timer_active == FALSE) 458 { 459 BTIF_TRACE_DEBUG0("Start VUP timer "); 460 memset(&p_dev->vup_timer, 0, sizeof(TIMER_LIST_ENT)); 461 p_dev->vup_timer.param = (UINT32)btif_hh_tmr_hdlr; 462 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 463 BTIF_TIMEOUT_VUP_SECS); 464 } 465 else 466 { 467 BTIF_TRACE_DEBUG0("Restart VUP timer "); 468 btu_stop_timer(&p_dev->vup_timer); 469 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 470 BTIF_TIMEOUT_VUP_SECS); 471 } 472 p_dev->vup_timer_active = TRUE; 473 474} 475 476/******************************************************************************* 477** 478** Function btif_hh_add_added_dev 479** 480** Description Add a new device to the added device list. 481** 482** Returns TRUE if add successfully, otherwise FALSE. 483*******************************************************************************/ 484BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask) 485{ 486 int i; 487 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 488 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN) == 0) { 489 BTIF_TRACE_WARNING6(" Device %02X:%02X:%02X:%02X:%02X:%02X already added", 490 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 491 return FALSE; 492 } 493 } 494 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 495 if (btif_hh_cb.added_devices[i].bd_addr.address[0] == 0 && 496 btif_hh_cb.added_devices[i].bd_addr.address[1] == 0 && 497 btif_hh_cb.added_devices[i].bd_addr.address[2] == 0 && 498 btif_hh_cb.added_devices[i].bd_addr.address[3] == 0 && 499 btif_hh_cb.added_devices[i].bd_addr.address[4] == 0 && 500 btif_hh_cb.added_devices[i].bd_addr.address[5] == 0) 501 { 502 BTIF_TRACE_WARNING6(" Added device %02X:%02X:%02X:%02X:%02X:%02X", 503 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 504 memcpy(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN); 505 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 506 btif_hh_cb.added_devices[i].attr_mask = attr_mask; 507 return TRUE; 508 } 509 } 510 511 BTIF_TRACE_WARNING1("%s: Error, out of space to add device",__FUNCTION__); 512 return FALSE; 513} 514 515/******************************************************************************* 516 ** 517 ** Function btif_hh_remove_device 518 ** 519 ** Description Remove an added device from the stack. 520 ** 521 ** Returns void 522 *******************************************************************************/ 523void btif_hh_remove_device(bt_bdaddr_t bd_addr) 524{ 525 int i; 526 btif_hh_device_t *p_dev; 527 btif_hh_added_device_t *p_added_dev; 528 529 ALOGI("%s: bda = %02x:%02x:%02x:%02x:%02x:%02x", __FUNCTION__, 530 bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]); 531 532 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 533 p_added_dev = &btif_hh_cb.added_devices[i]; 534 if (memcmp(&(p_added_dev->bd_addr),&bd_addr, 6) == 0) { 535 BTA_HhRemoveDev(p_added_dev->dev_handle); 536 btif_storage_remove_hid_info(&(p_added_dev->bd_addr)); 537 memset(&(p_added_dev->bd_addr), 0, 6); 538 p_added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 539 break; 540 } 541 } 542 543 p_dev = btif_hh_find_dev_by_bda(&bd_addr); 544 if (p_dev == NULL) { 545 BTIF_TRACE_WARNING6(" Oops, can't find device [%02x:%02x:%02x:%02x:%02x:%02x]", 546 bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]); 547 return; 548 } 549 550 /* need to notify up-layer device is disconnected to avoid state out of sync with up-layer */ 551 HAL_CBACK(bt_hh_callbacks, connection_state_cb, &(p_dev->bd_addr), BTHH_CONN_STATE_DISCONNECTED); 552 553 p_dev->dev_status = BTHH_CONN_STATE_UNKNOWN; 554 p_dev->dev_handle = BTA_HH_INVALID_HANDLE; 555 if (btif_hh_cb.device_num > 0) { 556 btif_hh_cb.device_num--; 557 } 558 else { 559 BTIF_TRACE_WARNING1("%s: device_num = 0", __FUNCTION__); 560 } 561 562 p_dev->hh_keep_polling = 0; 563 p_dev->hh_poll_thread_id = -1; 564 BTIF_TRACE_DEBUG2("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 565 if (p_dev->fd >= 0) { 566 bta_hh_co_destroy(p_dev->fd); 567 p_dev->fd = -1; 568 } 569} 570 571 572BOOLEAN btif_hh_copy_hid_info(tBTA_HH_DEV_DSCP_INFO* dest , tBTA_HH_DEV_DSCP_INFO* src) 573{ 574 dest->descriptor.dl_len = 0; 575 if (src->descriptor.dl_len >0) 576 { 577 dest->descriptor.dsc_list = (UINT8 *) GKI_getbuf(src->descriptor.dl_len); 578 if (dest->descriptor.dsc_list == NULL) 579 { 580 BTIF_TRACE_WARNING1("%s: Failed to allocate DSCP for CB", __FUNCTION__); 581 return FALSE; 582 } 583 } 584 memcpy(dest->descriptor.dsc_list, src->descriptor.dsc_list, src->descriptor.dl_len); 585 dest->descriptor.dl_len = src->descriptor.dl_len; 586 dest->vendor_id = src->vendor_id; 587 dest->product_id = src->product_id; 588 dest->version = src->version; 589 dest->ctry_code = src->ctry_code; 590 return TRUE; 591} 592 593 594/******************************************************************************* 595** 596** Function btif_hh_virtual_unplug 597** 598** Description Virtual unplug initiated from the BTIF thread context 599** Special handling for HID mouse- 600** 601** Returns void 602** 603*******************************************************************************/ 604 605bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr) 606{ 607 BTIF_TRACE_DEBUG1("%s", __FUNCTION__); 608 btif_hh_device_t *p_dev; 609 char bd_str[18]; 610 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 611 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 612 bd_addr->address[4], bd_addr->address[5]); 613 p_dev = btif_hh_find_dev_by_bda(bd_addr); 614 if ((p_dev != NULL) && (p_dev->dev_status == BTHH_CONN_STATE_CONNECTED) 615 && (p_dev->attr_mask & HID_VIRTUAL_CABLE)) 616 { 617 BTIF_TRACE_DEBUG1("%s Sending BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG", __FUNCTION__); 618 /* start the timer */ 619 btif_hh_start_vup_timer(bd_addr); 620 p_dev->local_vup = TRUE; 621 BTA_HhSendCtrl(p_dev->dev_handle, BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG); 622 return BT_STATUS_SUCCESS; 623 } 624 else 625 { 626 BTIF_TRACE_ERROR2("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 627 return BT_STATUS_FAIL; 628 } 629} 630 631/******************************************************************************* 632** 633** Function btif_hh_connect 634** 635** Description connection initiated from the BTIF thread context 636** 637** Returns int status 638** 639*******************************************************************************/ 640 641bt_status_t btif_hh_connect(bt_bdaddr_t *bd_addr) 642{ 643 btif_hh_device_t *dev; 644 btif_hh_added_device_t *added_dev = NULL; 645 char bda_str[20]; 646 int i; 647 BD_ADDR *bda = (BD_ADDR*)bd_addr; 648 tBTA_HH_CONN conn; 649 CHECK_BTHH_INIT(); 650 dev = btif_hh_find_dev_by_bda(bd_addr); 651 BTIF_TRACE_DEBUG0("Connect _hh"); 652 sprintf(bda_str, "%02X:%02X:%02X:%02X:%02X:%02X", 653 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 654 if (dev == NULL && btif_hh_cb.device_num >= BTIF_HH_MAX_HID) { 655 // No space for more HID device now. 656 BTIF_TRACE_WARNING2("%s: Error, exceeded the maximum supported HID device number %d", 657 __FUNCTION__, BTIF_HH_MAX_HID); 658 return BT_STATUS_FAIL; 659 } 660 661 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 662 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) { 663 added_dev = &btif_hh_cb.added_devices[i]; 664 BTIF_TRACE_WARNING3("%s: Device %s already added, attr_mask = 0x%x", 665 __FUNCTION__, bda_str, added_dev->attr_mask); 666 } 667 } 668 669 if (added_dev != NULL) { 670 if (added_dev->dev_handle == BTA_HH_INVALID_HANDLE) { 671 // No space for more HID device now. 672 BTIF_TRACE_ERROR2("%s: Error, device %s added but addition failed", __FUNCTION__, bda_str); 673 memset(&(added_dev->bd_addr), 0, 6); 674 added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 675 return BT_STATUS_FAIL; 676 } 677 } 678 679 if (added_dev == NULL || 680 (added_dev->attr_mask & HID_NORMALLY_CONNECTABLE) != 0 || 681 (added_dev->attr_mask & HID_RECONN_INIT) == 0) 682 { 683 tBTA_SEC sec_mask = BTUI_HH_SECURITY; 684 btif_hh_cb.status = BTIF_HH_DEV_CONNECTING; 685 BD_ADDR *bda = (BD_ADDR*)bd_addr; 686 BTA_HhOpen(*bda, BTA_HH_PROTO_RPT_MODE, sec_mask); 687 } 688 else 689 { 690 // This device shall be connected from the host side. 691 BTIF_TRACE_ERROR2("%s: Error, device %s can only be reconnected from device side", 692 __FUNCTION__, bda_str); 693 return BT_STATUS_FAIL; 694 } 695 696 HAL_CBACK(bt_hh_callbacks, connection_state_cb, bd_addr, BTHH_CONN_STATE_CONNECTING); 697 return BT_STATUS_SUCCESS; 698} 699 700/******************************************************************************* 701** 702** Function btif_hh_disconnect 703** 704** Description disconnection initiated from the BTIF thread context 705** 706** Returns void 707** 708*******************************************************************************/ 709 710void btif_hh_disconnect(bt_bdaddr_t *bd_addr) 711{ 712 BD_ADDR *bda = (BD_ADDR*)bd_addr; 713 btif_hh_device_t *p_dev; 714 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 715 if (p_dev != NULL) 716 { 717 BTA_HhClose(p_dev->dev_handle); 718 } 719 else 720 BTIF_TRACE_DEBUG1("%s-- Error: device not connected:",__FUNCTION__); 721} 722 723/******************************************************************************* 724** 725** Function btif_btif_hh_setreport 726** 727** Description setreport initiated from the BTIF thread context 728** 729** Returns void 730** 731*******************************************************************************/ 732void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type, UINT16 size, 733 UINT8* report) 734{ 735 BT_HDR* p_buf = create_pbuf(size, report); 736 if (p_buf == NULL) { 737 APPL_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, size = %d", __FUNCTION__, size); 738 return; 739 } 740 BTA_HhSetReport(p_dev->dev_handle, r_type, p_buf); 741} 742 743/***************************************************************************** 744** Section name (Group of functions) 745*****************************************************************************/ 746 747/***************************************************************************** 748** 749** btif hh api functions (no context switch) 750** 751*****************************************************************************/ 752 753 754/******************************************************************************* 755** 756** Function btif_hh_upstreams_evt 757** 758** Description Executes HH UPSTREAMS events in btif context 759** 760** Returns void 761** 762*******************************************************************************/ 763static void btif_hh_upstreams_evt(UINT16 event, char* p_param) 764{ 765 tBTA_HH *p_data = (tBTA_HH *)p_param; 766 bdstr_t bdstr; 767 btif_hh_device_t *p_dev = NULL; 768 int i; 769 int len, tmplen; 770 771 BTIF_TRACE_DEBUG2("%s: event=%s", __FUNCTION__, dump_hh_event(event)); 772 773 switch (event) 774 { 775 case BTA_HH_ENABLE_EVT: 776 BTIF_TRACE_DEBUG2("%s: BTA_HH_ENABLE_EVT: status =%d",__FUNCTION__, p_data->status); 777 if (p_data->status == BTA_HH_OK) { 778 btif_hh_cb.status = BTIF_HH_ENABLED; 779 BTIF_TRACE_DEBUG1("%s--Loading added devices",__FUNCTION__); 780 /* Add hid descriptors for already bonded hid devices*/ 781 btif_storage_load_bonded_hid_info(); 782 } 783 else { 784 btif_hh_cb.status = BTIF_HH_DISABLED; 785 BTIF_TRACE_WARNING1("BTA_HH_ENABLE_EVT: Error, HH enabling failed, status = %d", p_data->status); 786 } 787 break; 788 789 case BTA_HH_DISABLE_EVT: 790 btif_hh_cb.status = BTIF_HH_DISABLED; 791 if (p_data->status == BTA_HH_OK) { 792 int i; 793 //Clear the control block 794 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 795 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 796 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 797 } 798 } 799 else 800 BTIF_TRACE_WARNING1("BTA_HH_DISABLE_EVT: Error, HH disabling failed, status = %d", p_data->status); 801 break; 802 803 case BTA_HH_OPEN_EVT: 804 BTIF_TRACE_WARNING3("%s: BTA_HH_OPN_EVT: handle=%d, status =%d",__FUNCTION__, p_data->conn.handle, p_data->conn.status); 805 if (p_data->conn.status == BTA_HH_OK) { 806 p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 807 if (p_dev == NULL) { 808 BTIF_TRACE_WARNING1("BTA_HH_OPEN_EVT: Error, cannot find device with handle %d", p_data->conn.handle); 809 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 810 // The connect request must come from device side and exceeded the connected 811 // HID device number. 812 BTA_HhClose(p_data->conn.handle); 813 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 814 } 815 else if (p_dev->fd < 0) { 816 BTIF_TRACE_WARNING0("BTA_HH_OPEN_EVT: Error, failed to find the uhid driver..."); 817 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 818 //remove the connection and then try again to reconnect from the mouse side to recover 819 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 820 BTA_HhClose(p_data->conn.handle); 821 } 822 else { 823 BTIF_TRACE_WARNING1("BTA_HH_OPEN_EVT: Found device...Getting dscp info for handle ... %d",p_data->conn.handle); 824 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 825 btif_hh_cb.status = BTIF_HH_DEV_CONNECTED; 826 // Send set_idle if the peer_device is a keyboard 827 if (check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_KEYBOARD )|| 828 check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_COMBO)) 829 BTA_HhSetIdle(p_data->conn.handle, 0); 830 btif_hh_cb.p_curr_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 831 BTA_HhGetDscpInfo(p_data->conn.handle); 832 p_dev->dev_status = BTHH_CONN_STATE_CONNECTED; 833 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 834 } 835 } 836 else { 837 bt_bdaddr_t *bdaddr = (bt_bdaddr_t*)p_data->conn.bda; 838 btif_dm_hh_open_failed(bdaddr); 839 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 840 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 841 } 842 break; 843 case BTA_HH_CLOSE_EVT: 844 BTIF_TRACE_DEBUG2("BTA_HH_CLOSE_EVT: status = %d, handle = %d", 845 p_data->dev_status.status, p_data->dev_status.handle); 846 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 847 if (p_dev != NULL) { 848 BTIF_TRACE_DEBUG2("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 849 if(p_dev->vup_timer_active) 850 { 851 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 852 } 853 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 854 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 855 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 856 BTIF_TRACE_DEBUG2("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 857 bta_hh_co_destroy(p_dev->fd); 858 p_dev->fd = -1; 859 } 860 else { 861 BTIF_TRACE_WARNING1("Error: cannot find device with handle %d", p_data->dev_status.handle); 862 } 863 break; 864 case BTA_HH_GET_RPT_EVT: { 865 BT_HDR *hdr = p_data->hs_data.rsp_data.p_rpt_data; 866 UINT8 *data = NULL; 867 UINT16 len = 0; 868 869 BTIF_TRACE_DEBUG2("BTA_HH_GET_RPT_EVT: status = %d, handle = %d", 870 p_data->hs_data.status, p_data->hs_data.handle); 871 /* p_rpt_data in HANDSHAKE response case */ 872 if (hdr) { 873 data = (UINT8 *)(hdr + 1) + hdr->offset; 874 len = hdr->len; 875 } 876 p_dev = btif_hh_find_connected_dev_by_handle(p_data->hs_data.handle); 877 if (p_dev) { 878 HAL_CBACK(bt_hh_callbacks, get_report_cb, 879 (bt_bdaddr_t*) &(p_dev->bd_addr), 880 (bthh_status_t) p_data->hs_data.status, data, len); 881 } else { 882 BTIF_TRACE_WARNING1("Error: cannot find device with handle %d", p_data->hs_data.handle); 883 } 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 break; 890 891 case BTA_HH_GET_PROTO_EVT: 892 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 893 BTIF_TRACE_WARNING4("BTA_HH_GET_PROTO_EVT: status = %d, handle = %d, proto = [%d], %s", 894 p_data->hs_data.status, p_data->hs_data.handle, 895 p_data->hs_data.rsp_data.proto_mode, 896 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE) ? "Report Mode" : 897 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_BOOT_MODE) ? "Boot Mode" : "Unsupported"); 898 HAL_CBACK(bt_hh_callbacks, protocol_mode_cb,(bt_bdaddr_t*) &(p_dev->bd_addr), (bthh_status_t)p_data->hs_data.status, 899 (bthh_protocol_mode_t) p_data->hs_data.rsp_data.proto_mode); 900 break; 901 902 case BTA_HH_SET_PROTO_EVT: 903 BTIF_TRACE_DEBUG2("BTA_HH_SET_PROTO_EVT: status = %d, handle = %d", 904 p_data->dev_status.status, p_data->dev_status.handle); 905 break; 906 907 case BTA_HH_GET_IDLE_EVT: 908 BTIF_TRACE_DEBUG3("BTA_HH_GET_IDLE_EVT: handle = %d, status = %d, rate = %d", 909 p_data->hs_data.handle, p_data->hs_data.status, 910 p_data->hs_data.rsp_data.idle_rate); 911 break; 912 913 case BTA_HH_SET_IDLE_EVT: 914 BTIF_TRACE_DEBUG2("BTA_HH_SET_IDLE_EVT: status = %d, handle = %d", 915 p_data->dev_status.status, p_data->dev_status.handle); 916 break; 917 918 case BTA_HH_GET_DSCP_EVT: 919 BTIF_TRACE_WARNING2("BTA_HH_GET_DSCP_EVT: status = %d, handle = %d", 920 p_data->dev_status.status, p_data->dev_status.handle); 921 len = p_data->dscp_info.descriptor.dl_len; 922 BTIF_TRACE_DEBUG1("BTA_HH_GET_DSCP_EVT: len = %d", len); 923 p_dev = btif_hh_cb.p_curr_dev; 924 if (p_dev == NULL) { 925 BTIF_TRACE_ERROR0("BTA_HH_GET_DSCP_EVT: No HID device is currently connected"); 926 return; 927 } 928 if (p_dev->fd < 0) { 929 ALOGE("BTA_HH_GET_DSCP_EVT: Error, failed to find the uhid driver..."); 930 return; 931 } 932 { 933 char *cached_name = NULL; 934 bt_bdname_t bdname; 935 bt_property_t prop_name; 936 BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME, 937 sizeof(bt_bdname_t), &bdname); 938 if (btif_storage_get_remote_device_property( 939 &p_dev->bd_addr, &prop_name) == BT_STATUS_SUCCESS) 940 { 941 cached_name = (char *)bdname.name; 942 } 943 else 944 { 945 cached_name = "Bluetooth HID"; 946 } 947 948 BTIF_TRACE_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 p_data->dscp_info.ssr_max_latency, p_data->dscp_info.ssr_min_tout, 970 len, p_data->dscp_info.descriptor.dsc_list); 971 972 ASSERTC(ret == BT_STATUS_SUCCESS, "storing hid info failed", ret); 973 BTIF_TRACE_WARNING0("BTA_HH_GET_DSCP_EVT: Called add device"); 974 975 //Free buffer created for dscp_info; 976 if (dscp_info.descriptor.dl_len >0 && dscp_info.descriptor.dsc_list != NULL) 977 { 978 GKI_freebuf(dscp_info.descriptor.dsc_list); 979 dscp_info.descriptor.dsc_list = NULL; 980 dscp_info.descriptor.dl_len=0; 981 } 982 } 983 else { 984 //Device already added. 985 BTIF_TRACE_WARNING1("%s: Device already added ",__FUNCTION__); 986 } 987 /*Sync HID Keyboard lockstates */ 988 tmplen = sizeof(hid_kb_numlock_on_list) 989 / sizeof(tHID_KB_LIST); 990 for(i = 0; i< tmplen; i++) 991 { 992 if(p_data->dscp_info.vendor_id 993 == hid_kb_numlock_on_list[i].version_id && 994 p_data->dscp_info.product_id 995 == hid_kb_numlock_on_list[i].product_id) 996 { 997 BTIF_TRACE_DEBUG3("%s() idx[%d] Enabling "\ 998 "NUMLOCK for device :: %s", __FUNCTION__, 999 i, hid_kb_numlock_on_list[i].kb_name); 1000 /* Enable NUMLOCK by default so that numeric 1001 keys work from first keyboard connect */ 1002 set_keylockstate(BTIF_HH_KEYSTATE_MASK_NUMLOCK, 1003 TRUE); 1004 sync_lockstate_on_connect(p_dev); 1005 /* End Sync HID Keyboard lockstates */ 1006 break; 1007 } 1008 } 1009 } 1010 break; 1011 1012 case BTA_HH_ADD_DEV_EVT: 1013 BTIF_TRACE_WARNING2("BTA_HH_ADD_DEV_EVT: status = %d, handle = %d",p_data->dev_info.status, p_data->dev_info.handle); 1014 int i; 1015 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 1016 if (memcmp(btif_hh_cb.added_devices[i].bd_addr.address, p_data->dev_info.bda, 6) == 0) { 1017 if (p_data->dev_info.status == BTA_HH_OK) { 1018 btif_hh_cb.added_devices[i].dev_handle = p_data->dev_info.handle; 1019 } 1020 else { 1021 memset(btif_hh_cb.added_devices[i].bd_addr.address, 0, 6); 1022 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 1023 } 1024 break; 1025 } 1026 } 1027 break; 1028 case BTA_HH_RMV_DEV_EVT: 1029 BTIF_TRACE_DEBUG2("BTA_HH_RMV_DEV_EVT: status = %d, handle = %d", 1030 p_data->dev_info.status, p_data->dev_info.handle); 1031 BTIF_TRACE_DEBUG6("BTA_HH_RMV_DEV_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1032 p_data->dev_info.bda[0], p_data->dev_info.bda[1], p_data->dev_info.bda[2], 1033 p_data->dev_info.bda[3], p_data->dev_info.bda[4], p_data->dev_info.bda[5]); 1034 break; 1035 1036 1037 case BTA_HH_VC_UNPLUG_EVT: 1038 BTIF_TRACE_DEBUG2("BTA_HH_VC_UNPLUG_EVT: status = %d, handle = %d", 1039 p_data->dev_status.status, p_data->dev_status.handle); 1040 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 1041 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 1042 if (p_dev != NULL) { 1043 BTIF_TRACE_DEBUG6("BTA_HH_VC_UNPLUG_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1044 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 1045 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 1046 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 1047 /* Stop the VUP timer */ 1048 if(p_dev->vup_timer_active) 1049 { 1050 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 1051 } 1052 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 1053 BTIF_TRACE_DEBUG1("%s---Sending connection state change", __FUNCTION__); 1054 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 1055 BTIF_TRACE_DEBUG1("%s---Removing HID bond", __FUNCTION__); 1056 /* If it is locally initiated VUP or remote device has its major COD as 1057 Peripheral removed the bond.*/ 1058 if (p_dev->local_vup || check_cod_hid(&(p_dev->bd_addr), COD_HID_MAJOR)) 1059 { 1060 p_dev->local_vup = FALSE; 1061 BTA_DmRemoveDevice((UINT8 *)p_dev->bd_addr.address); 1062 } 1063 else 1064 btif_hh_remove_device(p_dev->bd_addr); 1065 HAL_CBACK(bt_hh_callbacks, virtual_unplug_cb,&(p_dev->bd_addr), 1066 p_data->dev_status.status); 1067 } 1068 break; 1069 1070 case BTA_HH_API_ERR_EVT : 1071 ALOGI("BTA_HH API_ERR"); 1072 break; 1073 1074 1075 1076 default: 1077 BTIF_TRACE_WARNING2("%s: Unhandled event: %d", __FUNCTION__, event); 1078 break; 1079 } 1080} 1081 1082/******************************************************************************* 1083** 1084** Function bte_hh_evt 1085** 1086** Description Switches context from BTE to BTIF for all HH events 1087** 1088** Returns void 1089** 1090*******************************************************************************/ 1091 1092static void bte_hh_evt(tBTA_HH_EVT event, tBTA_HH *p_data) 1093{ 1094 bt_status_t status; 1095 int param_len = 0; 1096 1097 if (BTA_HH_ENABLE_EVT == event) 1098 param_len = sizeof(tBTA_HH_STATUS); 1099 else if (BTA_HH_OPEN_EVT == event) 1100 param_len = sizeof(tBTA_HH_CONN); 1101 else if (BTA_HH_DISABLE_EVT == event) 1102 param_len = sizeof(tBTA_HH_STATUS); 1103 else if (BTA_HH_CLOSE_EVT == event) 1104 param_len = sizeof(tBTA_HH_CBDATA); 1105 else if (BTA_HH_GET_DSCP_EVT == event) 1106 param_len = sizeof(tBTA_HH_DEV_DSCP_INFO); 1107 else if ((BTA_HH_GET_PROTO_EVT == event) || (BTA_HH_GET_RPT_EVT == event)|| (BTA_HH_GET_IDLE_EVT == event)) 1108 param_len = sizeof(tBTA_HH_HSDATA); 1109 else if ((BTA_HH_SET_PROTO_EVT == event) || (BTA_HH_SET_RPT_EVT == event) || (BTA_HH_VC_UNPLUG_EVT == event) || (BTA_HH_SET_IDLE_EVT == event)) 1110 param_len = sizeof(tBTA_HH_CBDATA); 1111 else if ((BTA_HH_ADD_DEV_EVT == event) || (BTA_HH_RMV_DEV_EVT == event) ) 1112 param_len = sizeof(tBTA_HH_DEV_INFO); 1113 else if (BTA_HH_API_ERR_EVT == event) 1114 param_len = 0; 1115 /* switch context to btif task context (copy full union size for convenience) */ 1116 status = btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)p_data, param_len, NULL); 1117 1118 /* catch any failed context transfers */ 1119 ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); 1120} 1121 1122/******************************************************************************* 1123** 1124** Function btif_hh_handle_evt 1125** 1126** Description Switches context for immediate callback 1127** 1128** Returns void 1129** 1130*******************************************************************************/ 1131 1132static void btif_hh_handle_evt(UINT16 event, char *p_param) 1133{ 1134 bt_bdaddr_t *bd_addr = (bt_bdaddr_t*)p_param; 1135 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1136 int ret; 1137 switch(event) 1138 { 1139 case BTIF_HH_CONNECT_REQ_EVT: 1140 { 1141 ret = btif_hh_connect(bd_addr); 1142 if(ret == BT_STATUS_SUCCESS) 1143 { 1144 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_CONNECTING); 1145 } 1146 else 1147 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTED); 1148 } 1149 break; 1150 1151 case BTIF_HH_DISCONNECT_REQ_EVT: 1152 { 1153 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1154 btif_hh_disconnect(bd_addr); 1155 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTING); 1156 } 1157 break; 1158 1159 case BTIF_HH_VUP_REQ_EVT: 1160 { 1161 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1162 ret = btif_hh_virtual_unplug(bd_addr); 1163 } 1164 break; 1165 1166 default: 1167 { 1168 BTIF_TRACE_WARNING2("%s : Unknown event 0x%x", __FUNCTION__, event); 1169 } 1170 break; 1171 } 1172} 1173 1174/******************************************************************************* 1175** 1176** Function btif_hh_tmr_hdlr 1177** 1178** Description Process timer timeout 1179** 1180** Returns void 1181*******************************************************************************/ 1182void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle) 1183{ 1184 btif_hh_device_t *p_dev; 1185 UINT8 i,j; 1186 tBTA_HH_EVT event; 1187 tBTA_HH p_data; 1188 int param_len = 0; 1189 memset(&p_data, 0, sizeof(tBTA_HH)); 1190 1191 BTIF_TRACE_DEBUG2("%s timer_in_use=%d", __FUNCTION__, tle->in_use ); 1192 1193 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1194 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED) 1195 { 1196 1197 p_dev = &btif_hh_cb.devices[i]; 1198 1199 if (p_dev->vup_timer_active) 1200 { 1201 p_dev->vup_timer_active = FALSE; 1202 event = BTA_HH_VC_UNPLUG_EVT; 1203 p_data.dev_status.status = BTHH_ERR; 1204 p_data.dev_status.handle = p_dev->dev_handle; 1205 param_len = sizeof(tBTA_HH_CBDATA); 1206 1207 /* switch context to btif task context */ 1208 btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)&p_data, 1209 param_len, NULL); 1210 } 1211 } 1212 } 1213} 1214 1215/******************************************************************************* 1216** 1217** Function btif_hh_init 1218** 1219** Description initializes the hh interface 1220** 1221** Returns bt_status_t 1222** 1223*******************************************************************************/ 1224static bt_status_t init( bthh_callbacks_t* callbacks ) 1225{ 1226 UINT32 i; 1227 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1228 1229 bt_hh_callbacks = callbacks; 1230 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 1231 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 1232 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 1233 } 1234 /* Invoke the enable service API to the core to set the appropriate service_id */ 1235 btif_enable_service(BTA_HID_SERVICE_ID); 1236 return BT_STATUS_SUCCESS; 1237} 1238 1239/******************************************************************************* 1240** 1241** Function connect 1242** 1243** Description connect to hid device 1244** 1245** Returns bt_status_t 1246** 1247*******************************************************************************/ 1248static bt_status_t connect( bt_bdaddr_t *bd_addr) 1249{ 1250 if(btif_hh_cb.status != BTIF_HH_DEV_CONNECTING) 1251 { 1252 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_CONNECT_REQ_EVT, 1253 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1254 return BT_STATUS_SUCCESS; 1255 } 1256 else 1257 return BT_STATUS_BUSY; 1258} 1259 1260/******************************************************************************* 1261** 1262** Function disconnect 1263** 1264** Description disconnect from hid device 1265** 1266** Returns bt_status_t 1267** 1268*******************************************************************************/ 1269static bt_status_t disconnect( bt_bdaddr_t *bd_addr ) 1270{ 1271 CHECK_BTHH_INIT(); 1272 btif_hh_device_t *p_dev; 1273 1274 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1275 { 1276 BTIF_TRACE_WARNING2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1277 return BT_STATUS_FAIL; 1278 } 1279 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1280 if (p_dev != NULL) 1281 { 1282 return btif_transfer_context(btif_hh_handle_evt, BTIF_HH_DISCONNECT_REQ_EVT, 1283 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1284 } 1285 else 1286 { 1287 BTIF_TRACE_WARNING1("%s: Error, device not opened.", __FUNCTION__); 1288 return BT_STATUS_FAIL; 1289 } 1290} 1291 1292/******************************************************************************* 1293** 1294** Function virtual_unplug 1295** 1296** Description Virtual UnPlug (VUP) the specified HID device. 1297** 1298** Returns bt_status_t 1299** 1300*******************************************************************************/ 1301static bt_status_t virtual_unplug (bt_bdaddr_t *bd_addr) 1302{ 1303 CHECK_BTHH_INIT(); 1304 btif_hh_device_t *p_dev; 1305 char bd_str[18]; 1306 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 1307 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 1308 bd_addr->address[4], bd_addr->address[5]); 1309 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1310 { 1311 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1312 return BT_STATUS_FAIL; 1313 } 1314 p_dev = btif_hh_find_dev_by_bda(bd_addr); 1315 if (!p_dev) 1316 { 1317 BTIF_TRACE_ERROR2("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 1318 return BT_STATUS_FAIL; 1319 } 1320 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_VUP_REQ_EVT, 1321 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1322 return BT_STATUS_SUCCESS; 1323} 1324 1325 1326/******************************************************************************* 1327** 1328** Function set_info 1329** 1330** Description Set the HID device descriptor for the specified HID device. 1331** 1332** Returns bt_status_t 1333** 1334*******************************************************************************/ 1335static bt_status_t set_info (bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info ) 1336{ 1337 CHECK_BTHH_INIT(); 1338 tBTA_HH_DEV_DSCP_INFO dscp_info; 1339 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1340 1341 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1342 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1343 BTIF_TRACE_DEBUG6("%s: sub_class = 0x%02x, app_id = %d, vendor_id = 0x%04x, " 1344 "product_id = 0x%04x, version= 0x%04x", 1345 __FUNCTION__, hid_info.sub_class, 1346 hid_info.app_id, hid_info.vendor_id, hid_info.product_id, 1347 hid_info.version); 1348 1349 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1350 { 1351 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1352 return BT_STATUS_FAIL; 1353 } 1354 1355 dscp_info.vendor_id = hid_info.vendor_id; 1356 dscp_info.product_id = hid_info.product_id; 1357 dscp_info.version = hid_info.version; 1358 dscp_info.ctry_code = hid_info.ctry_code; 1359 1360 dscp_info.descriptor.dl_len = hid_info.dl_len; 1361 dscp_info.descriptor.dsc_list = (UINT8 *) GKI_getbuf(dscp_info.descriptor.dl_len); 1362 if (dscp_info.descriptor.dsc_list == NULL) 1363 { 1364 ALOGE("%s: Failed to allocate DSCP for CB", __FUNCTION__); 1365 return BT_STATUS_FAIL; 1366 } 1367 memcpy(dscp_info.descriptor.dsc_list, &(hid_info.dsc_list), hid_info.dl_len); 1368 1369 if (btif_hh_add_added_dev(*bd_addr, hid_info.attr_mask)) 1370 { 1371 BTA_HhAddDev(*bda, hid_info.attr_mask, hid_info.sub_class, 1372 hid_info.app_id, dscp_info); 1373 } 1374 1375 GKI_freebuf(dscp_info.descriptor.dsc_list); 1376 1377 return BT_STATUS_SUCCESS; 1378} 1379/******************************************************************************* 1380** 1381** Function get_idle_time 1382** 1383** Description Get the HID idle time 1384** 1385** Returns bt_status_t 1386** 1387*******************************************************************************/ 1388static bt_status_t get_idle_time(bt_bdaddr_t *bd_addr) 1389{ 1390 CHECK_BTHH_INIT(); 1391 btif_hh_device_t *p_dev; 1392 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1393 1394 BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1395 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1396 1397 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1398 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1399 return BT_STATUS_FAIL; 1400 } 1401 1402 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1403 if (p_dev != NULL) { 1404 //BTA_HhGetIdle(p_dev->dev_handle); 1405 } 1406 else { 1407 return BT_STATUS_FAIL; 1408 } 1409 return BT_STATUS_SUCCESS; 1410} 1411 1412/******************************************************************************* 1413** 1414** Function set_idle_time 1415** 1416** Description Set the HID idle time 1417** 1418** Returns bt_status_t 1419** 1420*******************************************************************************/ 1421static bt_status_t set_idle_time (bt_bdaddr_t *bd_addr, uint8_t idle_time) 1422{ 1423 UNUSED(idle_time); 1424 1425 CHECK_BTHH_INIT(); 1426 btif_hh_device_t *p_dev; 1427 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1428 1429 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1430 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1431 1432 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1433 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1434 return BT_STATUS_FAIL; 1435 } 1436 1437 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1438 if (p_dev == NULL) { 1439 BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1440 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1441 return BT_STATUS_FAIL; 1442 } 1443 else { 1444 //BTA_HhSetIdle(p_dev->dev_handle, idle_time); 1445 } 1446 return BT_STATUS_SUCCESS; 1447} 1448 1449/******************************************************************************* 1450** 1451** Function get_protocol 1452** 1453** Description Get the HID proto mode. 1454** 1455** Returns bt_status_t 1456** 1457*******************************************************************************/ 1458static bt_status_t get_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1459{ 1460 CHECK_BTHH_INIT(); 1461 btif_hh_device_t *p_dev; 1462 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1463 UNUSED(protocolMode); 1464 1465 BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1466 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1467 1468 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1469 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1470 return BT_STATUS_FAIL; 1471 } 1472 1473 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1474 if (p_dev != NULL) { 1475 1476 BTA_HhGetProtoMode(p_dev->dev_handle); 1477 } 1478 else { 1479 return BT_STATUS_FAIL; 1480 } 1481 return BT_STATUS_SUCCESS; 1482} 1483 1484/******************************************************************************* 1485** 1486** Function set_protocol 1487** 1488** Description Set the HID proto mode. 1489** 1490** Returns bt_status_t 1491** 1492*******************************************************************************/ 1493static bt_status_t set_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1494{ 1495 CHECK_BTHH_INIT(); 1496 btif_hh_device_t *p_dev; 1497 UINT8 proto_mode = protocolMode; 1498 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1499 1500 BTIF_TRACE_DEBUG2("%s:proto_mode = %d", __FUNCTION__,protocolMode); 1501 1502 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1503 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1504 1505 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1506 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1507 return BT_STATUS_FAIL; 1508 } 1509 1510 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1511 if (p_dev == NULL) { 1512 BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1513 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1514 return BT_STATUS_FAIL; 1515 } 1516 else if (protocolMode != BTA_HH_PROTO_RPT_MODE && protocolMode != BTA_HH_PROTO_BOOT_MODE) { 1517 BTIF_TRACE_WARNING2("s: Error, device proto_mode = %d.", __FUNCTION__, proto_mode); 1518 return BT_STATUS_FAIL; 1519 } 1520 else { 1521 BTA_HhSetProtoMode(p_dev->dev_handle, protocolMode); 1522 } 1523 1524 1525 return BT_STATUS_SUCCESS; 1526} 1527 1528/******************************************************************************* 1529** 1530** Function get_report 1531** 1532** Description Send a GET_REPORT to HID device. 1533** 1534** Returns bt_status_t 1535** 1536*******************************************************************************/ 1537static bt_status_t get_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize) 1538{ 1539 CHECK_BTHH_INIT(); 1540 btif_hh_device_t *p_dev; 1541 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1542 1543 BTIF_TRACE_DEBUG4("%s:proto_mode = %dr_type = %d, rpt_id = %d, buf_size = %d", __FUNCTION__, 1544 reportType, reportId, bufferSize); 1545 1546 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1547 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1548 1549 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1550 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1551 return BT_STATUS_FAIL; 1552 } 1553 1554 1555 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1556 if (p_dev == NULL) { 1557 BTIF_TRACE_ERROR6("%s: 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 if ( ((int) reportType) <= BTA_HH_RPTT_RESRV || ((int) reportType) > BTA_HH_RPTT_FEATURE) { 1562 BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1563 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1564 return BT_STATUS_FAIL; 1565 } 1566 else { 1567 BTA_HhGetReport(p_dev->dev_handle, reportType, 1568 reportId, bufferSize); 1569 } 1570 1571 return BT_STATUS_SUCCESS; 1572} 1573 1574/******************************************************************************* 1575** 1576** Function set_report 1577** 1578** Description Send a SET_REPORT to HID device. 1579** 1580** Returns bt_status_t 1581** 1582*******************************************************************************/ 1583static bt_status_t set_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report) 1584{ 1585 CHECK_BTHH_INIT(); 1586 btif_hh_device_t *p_dev; 1587 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1588 1589 BTIF_TRACE_DEBUG2("%s:reportType = %d", __FUNCTION__,reportType); 1590 1591 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1592 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1593 1594 1595 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1596 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1597 return BT_STATUS_FAIL; 1598 } 1599 1600 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1601 if (p_dev == NULL) { 1602 BTIF_TRACE_ERROR6("%s: 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 if ( ( (int) reportType) <= BTA_HH_RPTT_RESRV || ( (int) reportType) > BTA_HH_RPTT_FEATURE) { 1607 BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1608 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1609 return BT_STATUS_FAIL; 1610 } 1611 else { 1612 int hex_bytes_filled; 1613 UINT8 hexbuf[200]; 1614 UINT16 len = (strlen(report) + 1) / 2; 1615 1616 /* Build a SetReport data buffer */ 1617 memset(hexbuf, 0, 200); 1618 //TODO 1619 hex_bytes_filled = ascii_2_hex(report, len, hexbuf); 1620 ALOGI("Hex bytes filled, hex value: %d", hex_bytes_filled); 1621 if (hex_bytes_filled) { 1622 BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf); 1623 if (p_buf == NULL) { 1624 BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", 1625 __FUNCTION__, hex_bytes_filled); 1626 return BT_STATUS_FAIL; 1627 } 1628 BTA_HhSetReport(p_dev->dev_handle, reportType, p_buf); 1629 } 1630 return BT_STATUS_SUCCESS; 1631 } 1632} 1633 1634/******************************************************************************* 1635** 1636** Function send_data 1637** 1638** Description Send a SEND_DATA to HID device. 1639** 1640** Returns bt_status_t 1641** 1642*******************************************************************************/ 1643static bt_status_t send_data (bt_bdaddr_t *bd_addr, char* data) 1644{ 1645 CHECK_BTHH_INIT(); 1646 btif_hh_device_t *p_dev; 1647 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1648 1649 BTIF_TRACE_DEBUG1("%s", __FUNCTION__); 1650 1651 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1652 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1653 1654 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1655 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1656 return BT_STATUS_FAIL; 1657 } 1658 1659 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1660 if (p_dev == NULL) { 1661 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1662 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1663 return BT_STATUS_FAIL; 1664 } 1665 1666 else { 1667 int hex_bytes_filled; 1668 UINT8 hexbuf[200]; 1669 UINT16 len = (strlen(data) + 1) / 2; 1670 1671 /* Build a SetReport data buffer */ 1672 memset(hexbuf, 0, 200); 1673 hex_bytes_filled = ascii_2_hex(data, len, hexbuf); 1674 BTIF_TRACE_ERROR2("Hex bytes filled, hex value: %d, %d", hex_bytes_filled, len); 1675 1676 if (hex_bytes_filled) { 1677 BT_HDR* p_buf = create_pbuf(hex_bytes_filled, hexbuf); 1678 if (p_buf == NULL) { 1679 BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", 1680 __FUNCTION__, hex_bytes_filled); 1681 return BT_STATUS_FAIL; 1682 } 1683 p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 1684 BTA_HhSendData(p_dev->dev_handle, *bda, p_buf); 1685 return BT_STATUS_SUCCESS; 1686 } 1687 1688 } 1689 return BT_STATUS_FAIL; 1690} 1691 1692 1693/******************************************************************************* 1694** 1695** Function cleanup 1696** 1697** Description Closes the HH interface 1698** 1699** Returns bt_status_t 1700** 1701*******************************************************************************/ 1702static void cleanup( void ) 1703{ 1704 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1705 btif_hh_device_t *p_dev; 1706 int i; 1707 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1708 BTIF_TRACE_WARNING2("%s: HH disabling or disabled already, status = %d", __FUNCTION__, btif_hh_cb.status); 1709 return; 1710 } 1711 btif_hh_cb.status = BTIF_HH_DISABLING; 1712 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1713 p_dev = &btif_hh_cb.devices[i]; 1714 if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->fd >= 0) { 1715 BTIF_TRACE_DEBUG2("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 1716 bta_hh_co_destroy(p_dev->fd); 1717 p_dev->fd = -1; 1718 p_dev->hh_keep_polling = 0; 1719 p_dev->hh_poll_thread_id = -1; 1720 } 1721 } 1722 1723 if (bt_hh_callbacks) 1724 { 1725 btif_disable_service(BTA_HID_SERVICE_ID); 1726 bt_hh_callbacks = NULL; 1727 } 1728 1729} 1730 1731static const bthh_interface_t bthhInterface = { 1732 sizeof(bthhInterface), 1733 init, 1734 connect, 1735 disconnect, 1736 virtual_unplug, 1737 set_info, 1738 get_protocol, 1739 set_protocol, 1740// get_idle_time, 1741// set_idle_time, 1742 get_report, 1743 set_report, 1744 send_data, 1745 cleanup, 1746}; 1747 1748/******************************************************************************* 1749** 1750** Function btif_hh_execute_service 1751** 1752** Description Initializes/Shuts down the service 1753** 1754** Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise 1755** 1756*******************************************************************************/ 1757bt_status_t btif_hh_execute_service(BOOLEAN b_enable) 1758{ 1759 if (b_enable) 1760 { 1761 /* Enable and register with BTA-HH */ 1762 BTA_HhEnable(BTA_SEC_NONE, bte_hh_evt); 1763 } 1764 else { 1765 /* Disable HH */ 1766 BTA_HhDisable(); 1767 } 1768 return BT_STATUS_SUCCESS; 1769} 1770 1771/******************************************************************************* 1772** 1773** Function btif_hh_get_interface 1774** 1775** Description Get the hh callback interface 1776** 1777** Returns bthh_interface_t 1778** 1779*******************************************************************************/ 1780const bthh_interface_t *btif_hh_get_interface() 1781{ 1782 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1783 return &bthhInterface; 1784} 1785