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 55 #define KEYSTATE_FILEPATH "/data/misc/bluedroid/bt_hh_ks" //keep this in sync with HID host jni 56 57 #define HID_REPORT_CAPSLOCK 0x39 58 #define HID_REPORT_NUMLOCK 0x53 59 #define HID_REPORT_SCROLLLOCK 0x47 60 61 //For Apple Magic Mouse 62 #define MAGICMOUSE_VENDOR_ID 0x05ac 63 #define MAGICMOUSE_PRODUCT_ID 0x030d 64 65 #define LOGITECH_KB_MX5500_VENDOR_ID 0x046D 66 #define LOGITECH_KB_MX5500_PRODUCT_ID 0xB30B 67 68 extern const int BT_UID; 69 extern const int BT_GID; 70 static int btif_hh_prev_keyevents=0; //The previous key events 71 static int btif_hh_keylockstates=0; //The current key state of each key 72 73 #define BTIF_HH_ID_1 0 74 #define BTIF_HH_DEV_DISCONNECTED 3 75 76 #define BTIF_TIMEOUT_VUP_SECS 3 77 78 79 #ifndef BTUI_HH_SECURITY 80 #define BTUI_HH_SECURITY (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT) 81 #endif 82 83 #ifndef BTUI_HH_MOUSE_SECURITY 84 #define BTUI_HH_MOUSE_SECURITY (BTA_SEC_NONE) 85 #endif 86 87 /* HH request events */ 88 typedef enum 89 { 90 BTIF_HH_CONNECT_REQ_EVT = 0, 91 BTIF_HH_DISCONNECT_REQ_EVT, 92 BTIF_HH_VUP_REQ_EVT 93 } btif_hh_req_evt_t; 94 95 96 /************************************************************************************ 97 ** Constants & Macros 98 ************************************************************************************/ 99 #define BTIF_HH_SERVICES (BTA_HID_SERVICE_MASK) 100 101 102 103 /************************************************************************************ 104 ** Local type definitions 105 ************************************************************************************/ 106 107 typedef struct hid_kb_list 108 { 109 UINT16 product_id; 110 UINT16 version_id; 111 char* kb_name; 112 } tHID_KB_LIST; 113 114 /************************************************************************************ 115 ** Static variables 116 ************************************************************************************/ 117 btif_hh_cb_t btif_hh_cb; 118 119 static bthh_callbacks_t *bt_hh_callbacks = NULL; 120 121 /* List of HID keyboards for which the NUMLOCK state needs to be 122 * turned ON by default. Add devices to this list to apply the 123 * NUMLOCK state toggle on fpr first connect.*/ 124 static tHID_KB_LIST hid_kb_numlock_on_list[] = 125 { 126 {LOGITECH_KB_MX5500_PRODUCT_ID, 127 LOGITECH_KB_MX5500_VENDOR_ID, 128 "Logitech MX5500 Keyboard"} 129 }; 130 131 132 #define CHECK_BTHH_INIT() if (bt_hh_callbacks == NULL)\ 133 {\ 134 BTIF_TRACE_WARNING1("BTHH: %s: BTHH not initialized", __FUNCTION__);\ 135 return BT_STATUS_NOT_READY;\ 136 }\ 137 else\ 138 {\ 139 BTIF_TRACE_EVENT1("BTHH: %s", __FUNCTION__);\ 140 } 141 142 143 144 /************************************************************************************ 145 ** Static functions 146 ************************************************************************************/ 147 148 /************************************************************************************ 149 ** Externs 150 ************************************************************************************/ 151 extern void bta_hh_co_destroy(int fd); 152 extern void bta_hh_co_write(int fd, UINT8* rpt, UINT16 len); 153 extern bt_status_t btif_dm_remove_bond(const bt_bdaddr_t *bd_addr); 154 extern void bta_hh_co_send_hid_info(btif_hh_device_t *p_dev, char *dev_name, UINT16 vendor_id, 155 UINT16 product_id, UINT16 version, UINT8 ctry_code, 156 int dscp_len, UINT8 *p_dscp); 157 extern BOOLEAN check_cod(const bt_bdaddr_t *remote_bdaddr, uint32_t cod); 158 extern void btif_dm_cb_remove_bond(bt_bdaddr_t *bd_addr); 159 extern int scru_ascii_2_hex(char *p_ascii, int len, UINT8 *p_hex); 160 161 /***************************************************************************** 162 ** Local Function prototypes 163 *****************************************************************************/ 164 static void set_keylockstate(int keymask, BOOLEAN isSet); 165 static void toggle_os_keylockstates(int fd, int changedkeystates); 166 static void sync_lockstate_on_connect(btif_hh_device_t *p_dev); 167 //static void hh_update_keyboard_lockstates(btif_hh_device_t *p_dev); 168 void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle); 169 170 171 /************************************************************************************ 172 ** Functions 173 ************************************************************************************/ 174 175 static int get_keylockstates() 176 { 177 return btif_hh_keylockstates; 178 } 179 180 static void set_keylockstate(int keymask, BOOLEAN isSet) 181 { 182 if(isSet) 183 btif_hh_keylockstates |= keymask; 184 } 185 186 /******************************************************************************* 187 ** 188 ** Function toggle_os_keylockstates 189 ** 190 ** Description Function to toggle the keyboard lock states managed by the linux. 191 ** This function is used in by two call paths 192 ** (1) if the lock state change occurred from an onscreen keyboard, 193 ** this function is called to update the lock state maintained 194 for the HID keyboard(s) 195 ** (2) if a HID keyboard is disconnected and reconnected, 196 ** this function is called to update the lock state maintained 197 for the HID keyboard(s) 198 ** Returns void 199 *******************************************************************************/ 200 201 static void toggle_os_keylockstates(int fd, int changedlockstates) 202 { 203 BTIF_TRACE_EVENT3("%s: fd = %d, changedlockstates = 0x%x", 204 __FUNCTION__, fd, changedlockstates); 205 UINT8 hidreport[9]; 206 int reportIndex; 207 memset(hidreport,0,9); 208 hidreport[0]=1; 209 reportIndex=4; 210 211 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_CAPSLOCK) { 212 BTIF_TRACE_DEBUG1("%s Setting CAPSLOCK", __FUNCTION__); 213 hidreport[reportIndex++] = (UINT8)HID_REPORT_CAPSLOCK; 214 } 215 216 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_NUMLOCK) { 217 BTIF_TRACE_DEBUG1("%s Setting NUMLOCK", __FUNCTION__); 218 hidreport[reportIndex++] = (UINT8)HID_REPORT_NUMLOCK; 219 } 220 221 if (changedlockstates & BTIF_HH_KEYSTATE_MASK_SCROLLLOCK) { 222 BTIF_TRACE_DEBUG1("%s Setting SCROLLLOCK", __FUNCTION__); 223 hidreport[reportIndex++] = (UINT8) HID_REPORT_SCROLLLOCK; 224 } 225 226 BTIF_TRACE_DEBUG4("Writing hidreport #1 to os: "\ 227 "%s: %x %x %x", __FUNCTION__, 228 hidreport[0], hidreport[1], hidreport[2]); 229 BTIF_TRACE_DEBUG4("%s: %x %x %x", __FUNCTION__, 230 hidreport[3], hidreport[4], hidreport[5]); 231 BTIF_TRACE_DEBUG4("%s: %x %x %x", __FUNCTION__, 232 hidreport[6], hidreport[7], hidreport[8]); 233 bta_hh_co_write(fd , hidreport, sizeof(hidreport)); 234 usleep(200000); 235 memset(hidreport,0,9); 236 hidreport[0]=1; 237 BTIF_TRACE_DEBUG4("Writing hidreport #2 to os: "\ 238 "%s: %x %x %x", __FUNCTION__, 239 hidreport[0], hidreport[1], hidreport[2]); 240 BTIF_TRACE_DEBUG4("%s: %x %x %x", __FUNCTION__, 241 hidreport[3], hidreport[4], hidreport[5]); 242 BTIF_TRACE_DEBUG4("%s: %x %x %x ", __FUNCTION__, 243 hidreport[6], hidreport[7], hidreport[8]); 244 bta_hh_co_write(fd , hidreport, sizeof(hidreport)); 245 } 246 247 /******************************************************************************* 248 ** 249 ** Function update_keyboard_lockstates 250 ** 251 ** Description Sends a report to the keyboard to set the lock states of keys 252 ** 253 *******************************************************************************/ 254 static void update_keyboard_lockstates(btif_hh_device_t *p_dev) 255 { 256 UINT8 len = 2; /* reportid + 1 byte report*/ 257 BD_ADDR* bda; 258 259 /* Set report for other keyboards */ 260 BTIF_TRACE_EVENT3("%s: setting report on dev_handle %d to 0x%x", 261 __FUNCTION__, p_dev->dev_handle, btif_hh_keylockstates); 262 263 if (p_dev->p_buf != NULL) { 264 GKI_freebuf(p_dev->p_buf); 265 } 266 /* Get SetReport buffer */ 267 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + 268 sizeof(BT_HDR))); 269 if (p_dev->p_buf != NULL) { 270 p_dev->p_buf->len = len; 271 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 272 p_dev->p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 273 274 /* LED status updated by data event */ 275 UINT8 *pbuf_data = (UINT8 *)(p_dev->p_buf + 1) 276 + p_dev->p_buf->offset; 277 pbuf_data[0]=0x01; /*report id */ 278 pbuf_data[1]=btif_hh_keylockstates; /*keystate*/ 279 bda = (BD_ADDR*) (&p_dev->bd_addr); 280 BTA_HhSendData(p_dev->dev_handle, *bda, 281 p_dev->p_buf); 282 } 283 } 284 285 /******************************************************************************* 286 ** 287 ** Function sync_lockstate_on_connect 288 ** 289 ** Description Function to update the keyboard lock states managed by the OS 290 ** when a HID keyboard is connected or disconnected and reconnected 291 ** Returns void 292 *******************************************************************************/ 293 static void sync_lockstate_on_connect(btif_hh_device_t *p_dev) 294 { 295 int keylockstates; 296 297 BTIF_TRACE_EVENT1("%s: Syncing keyboard lock states after "\ 298 "reconnect...",__FUNCTION__); 299 /*If the device is connected, update keyboard state */ 300 update_keyboard_lockstates(p_dev); 301 302 /*Check if the lockstate of caps,scroll,num is set. 303 If so, send a report to the kernel 304 so the lockstate is in sync */ 305 keylockstates = get_keylockstates(); 306 if (keylockstates) 307 { 308 BTIF_TRACE_DEBUG2("%s: Sending hid report to kernel "\ 309 "indicating lock key state 0x%x",__FUNCTION__, 310 keylockstates); 311 usleep(200000); 312 toggle_os_keylockstates(p_dev->fd, keylockstates); 313 } 314 else 315 { 316 BTIF_TRACE_DEBUG2("%s: NOT sending hid report to kernel "\ 317 "indicating lock key state 0x%x",__FUNCTION__, 318 keylockstates); 319 } 320 } 321 322 /******************************************************************************* 323 ** 324 ** Function btif_hh_find_dev_by_handle 325 ** 326 ** Description Return the device pointer of the specified device handle 327 ** 328 ** Returns Device entry pointer in the device table 329 *******************************************************************************/ 330 static btif_hh_device_t *btif_hh_find_dev_by_handle(UINT8 handle) 331 { 332 UINT32 i; 333 // LOGV("%s: handle = %d", __FUNCTION__, handle); 334 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 335 if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN && 336 btif_hh_cb.devices[i].dev_handle == handle) 337 { 338 return &btif_hh_cb.devices[i]; 339 } 340 } 341 return NULL; 342 } 343 344 345 /******************************************************************************* 346 ** 347 ** Function btif_hh_find_connected_dev_by_handle 348 ** 349 ** Description Return the connected device pointer of the specified device handle 350 ** 351 ** Returns Device entry pointer in the device table 352 *******************************************************************************/ 353 btif_hh_device_t *btif_hh_find_connected_dev_by_handle(UINT8 handle) 354 { 355 UINT32 i; 356 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 357 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 358 btif_hh_cb.devices[i].dev_handle == handle) 359 { 360 return &btif_hh_cb.devices[i]; 361 } 362 } 363 return NULL; 364 } 365 366 /******************************************************************************* 367 ** 368 ** Function btif_hh_find_dev_by_bda 369 ** 370 ** Description Return the device pointer of the specified bt_bdaddr_t. 371 ** 372 ** Returns Device entry pointer in the device table 373 *******************************************************************************/ 374 static btif_hh_device_t *btif_hh_find_dev_by_bda(bt_bdaddr_t *bd_addr) 375 { 376 UINT32 i; 377 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 378 if (btif_hh_cb.devices[i].dev_status != BTHH_CONN_STATE_UNKNOWN && 379 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 380 { 381 return &btif_hh_cb.devices[i]; 382 } 383 } 384 return NULL; 385 } 386 387 /******************************************************************************* 388 ** 389 ** Function btif_hh_find_connected_dev_by_bda 390 ** 391 ** Description Return the connected device pointer of the specified bt_bdaddr_t. 392 ** 393 ** Returns Device entry pointer in the device table 394 *******************************************************************************/ 395 static btif_hh_device_t *btif_hh_find_connected_dev_by_bda(bt_bdaddr_t *bd_addr) 396 { 397 UINT32 i; 398 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 399 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED && 400 memcmp(&(btif_hh_cb.devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) 401 { 402 return &btif_hh_cb.devices[i]; 403 } 404 } 405 return NULL; 406 } 407 408 /******************************************************************************* 409 ** 410 ** Function btif_hh_stop_vup_timer 411 ** 412 ** Description stop vitual unplug timer 413 ** 414 ** Returns void 415 *******************************************************************************/ 416 void btif_hh_stop_vup_timer(bt_bdaddr_t *bd_addr) 417 { 418 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 419 if(p_dev != NULL) 420 { 421 if (p_dev->vup_timer_active) 422 { 423 BTIF_TRACE_DEBUG0("stop VUP timer "); 424 btu_stop_timer(&p_dev->vup_timer); 425 } 426 p_dev->vup_timer_active = FALSE; 427 } 428 } 429 /******************************************************************************* 430 ** 431 ** Function btif_hh_start_vup_timer 432 ** 433 ** Description start virtual unplug timer 434 ** 435 ** Returns void 436 *******************************************************************************/ 437 void btif_hh_start_vup_timer(bt_bdaddr_t *bd_addr) 438 { 439 btif_hh_device_t *p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 440 441 if (p_dev->vup_timer_active == FALSE) 442 { 443 BTIF_TRACE_DEBUG0("Start VUP timer "); 444 memset(&p_dev->vup_timer, 0, sizeof(TIMER_LIST_ENT)); 445 p_dev->vup_timer.param = (UINT32)btif_hh_tmr_hdlr; 446 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 447 BTIF_TIMEOUT_VUP_SECS); 448 } 449 else 450 { 451 BTIF_TRACE_DEBUG0("Restart VUP timer "); 452 btu_stop_timer(&p_dev->vup_timer); 453 btu_start_timer(&p_dev->vup_timer, BTU_TTYPE_USER_FUNC, 454 BTIF_TIMEOUT_VUP_SECS); 455 } 456 p_dev->vup_timer_active = TRUE; 457 458 } 459 460 /******************************************************************************* 461 ** 462 ** Function btif_hh_add_added_dev 463 ** 464 ** Description Add a new device to the added device list. 465 ** 466 ** Returns TRUE if add successfully, otherwise FALSE. 467 *******************************************************************************/ 468 BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask) 469 { 470 int i; 471 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 472 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN) == 0) { 473 BTIF_TRACE_WARNING6(" Device %02X:%02X:%02X:%02X:%02X:%02X already added", 474 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 475 return FALSE; 476 } 477 } 478 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 479 if (btif_hh_cb.added_devices[i].bd_addr.address[0] == 0 && 480 btif_hh_cb.added_devices[i].bd_addr.address[1] == 0 && 481 btif_hh_cb.added_devices[i].bd_addr.address[2] == 0 && 482 btif_hh_cb.added_devices[i].bd_addr.address[3] == 0 && 483 btif_hh_cb.added_devices[i].bd_addr.address[4] == 0 && 484 btif_hh_cb.added_devices[i].bd_addr.address[5] == 0) 485 { 486 BTIF_TRACE_WARNING6(" Added device %02X:%02X:%02X:%02X:%02X:%02X", 487 bda.address[0], bda.address[1], bda.address[2], bda.address[3], bda.address[4], bda.address[5]); 488 memcpy(&(btif_hh_cb.added_devices[i].bd_addr), &bda, BD_ADDR_LEN); 489 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 490 btif_hh_cb.added_devices[i].attr_mask = attr_mask; 491 return TRUE; 492 } 493 } 494 495 BTIF_TRACE_WARNING1("%s: Error, out of space to add device",__FUNCTION__); 496 return FALSE; 497 } 498 499 /******************************************************************************* 500 ** 501 ** Function btif_hh_remove_device 502 ** 503 ** Description Remove an added device from the stack. 504 ** 505 ** Returns void 506 *******************************************************************************/ 507 void btif_hh_remove_device(bt_bdaddr_t bd_addr) 508 { 509 int i; 510 btif_hh_device_t *p_dev; 511 btif_hh_added_device_t *p_added_dev; 512 513 ALOGI("%s: bda = %02x:%02x:%02x:%02x:%02x:%02x", __FUNCTION__, 514 bd_addr.address[0], bd_addr.address[1], bd_addr.address[2], bd_addr.address[3], bd_addr.address[4], bd_addr.address[5]); 515 516 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 517 p_added_dev = &btif_hh_cb.added_devices[i]; 518 if (memcmp(&(p_added_dev->bd_addr),&bd_addr, 6) == 0) { 519 BTA_HhRemoveDev(p_added_dev->dev_handle); 520 btif_storage_remove_hid_info(&(p_added_dev->bd_addr)); 521 memset(&(p_added_dev->bd_addr), 0, 6); 522 p_added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 523 break; 524 } 525 } 526 527 p_dev = btif_hh_find_dev_by_bda(&bd_addr); 528 if (p_dev == NULL) { 529 BTIF_TRACE_WARNING6(" Oops, can't find device [%02x:%02x:%02x:%02x:%02x:%02x]", 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 return; 532 } 533 534 p_dev->dev_status = BTHH_CONN_STATE_UNKNOWN; 535 p_dev->dev_handle = BTA_HH_INVALID_HANDLE; 536 if (btif_hh_cb.device_num > 0) { 537 btif_hh_cb.device_num--; 538 } 539 else { 540 BTIF_TRACE_WARNING1("%s: device_num = 0", __FUNCTION__); 541 } 542 if (p_dev->p_buf != NULL) { 543 GKI_freebuf(p_dev->p_buf); 544 p_dev->p_buf = NULL; 545 } 546 547 p_dev->hh_keep_polling = 0; 548 p_dev->hh_poll_thread_id = -1; 549 BTIF_TRACE_DEBUG2("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 550 if (p_dev->fd >= 0) { 551 bta_hh_co_destroy(p_dev->fd); 552 p_dev->fd = -1; 553 } 554 } 555 556 557 BOOLEAN btif_hh_copy_hid_info(tBTA_HH_DEV_DSCP_INFO* dest , tBTA_HH_DEV_DSCP_INFO* src) 558 { 559 dest->descriptor.dl_len = 0; 560 if (src->descriptor.dl_len >0) 561 { 562 dest->descriptor.dsc_list = (UINT8 *) GKI_getbuf(src->descriptor.dl_len); 563 if (dest->descriptor.dsc_list == NULL) 564 { 565 BTIF_TRACE_WARNING1("%s: Failed to allocate DSCP for CB", __FUNCTION__); 566 return FALSE; 567 } 568 } 569 memcpy(dest->descriptor.dsc_list, src->descriptor.dsc_list, src->descriptor.dl_len); 570 dest->descriptor.dl_len = src->descriptor.dl_len; 571 dest->vendor_id = src->vendor_id; 572 dest->product_id = src->product_id; 573 dest->version = src->version; 574 dest->ctry_code = src->ctry_code; 575 return TRUE; 576 } 577 578 579 /******************************************************************************* 580 ** 581 ** Function btif_hh_virtual_unplug 582 ** 583 ** Description Virtual unplug initiated from the BTIF thread context 584 ** Special handling for HID mouse- 585 ** 586 ** Returns void 587 ** 588 *******************************************************************************/ 589 590 bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr) 591 { 592 BTIF_TRACE_DEBUG1("%s", __FUNCTION__); 593 btif_hh_device_t *p_dev; 594 char bd_str[18]; 595 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 596 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 597 bd_addr->address[4], bd_addr->address[5]); 598 p_dev = btif_hh_find_dev_by_bda(bd_addr); 599 if ((p_dev != NULL) && (p_dev->dev_status == BTHH_CONN_STATE_CONNECTED) 600 && (p_dev->attr_mask & HID_VIRTUAL_CABLE)) 601 { 602 BTIF_TRACE_DEBUG1("%s Sending BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG", __FUNCTION__); 603 /* start the timer */ 604 btif_hh_start_vup_timer(bd_addr); 605 BTA_HhSendCtrl(p_dev->dev_handle, BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG); 606 return BT_STATUS_SUCCESS; 607 } 608 else 609 { 610 BTIF_TRACE_ERROR2("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 611 return BT_STATUS_FAIL; 612 } 613 } 614 615 /******************************************************************************* 616 ** 617 ** Function btif_hh_connect 618 ** 619 ** Description connection initiated from the BTIF thread context 620 ** 621 ** Returns int status 622 ** 623 *******************************************************************************/ 624 625 bt_status_t btif_hh_connect(bt_bdaddr_t *bd_addr) 626 { 627 btif_hh_device_t *dev; 628 btif_hh_added_device_t *added_dev = NULL; 629 char bda_str[20]; 630 int i; 631 BD_ADDR *bda = (BD_ADDR*)bd_addr; 632 tBTA_HH_CONN conn; 633 CHECK_BTHH_INIT(); 634 dev = btif_hh_find_dev_by_bda(bd_addr); 635 BTIF_TRACE_DEBUG0("Connect _hh"); 636 sprintf(bda_str, "%02X:%02X:%02X:%02X:%02X:%02X", 637 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 638 if (dev == NULL && btif_hh_cb.device_num >= BTIF_HH_MAX_HID) { 639 // No space for more HID device now. 640 BTIF_TRACE_WARNING2("%s: Error, exceeded the maximum supported HID device number %d", 641 __FUNCTION__, BTIF_HH_MAX_HID); 642 return BT_STATUS_FAIL; 643 } 644 645 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 646 if (memcmp(&(btif_hh_cb.added_devices[i].bd_addr), bd_addr, BD_ADDR_LEN) == 0) { 647 added_dev = &btif_hh_cb.added_devices[i]; 648 BTIF_TRACE_WARNING3("%s: Device %s already added, attr_mask = 0x%x", 649 __FUNCTION__, bda_str, added_dev->attr_mask); 650 } 651 } 652 653 if (added_dev != NULL) { 654 if (added_dev->dev_handle == BTA_HH_INVALID_HANDLE) { 655 // No space for more HID device now. 656 BTIF_TRACE_ERROR2("%s: Error, device %s added but addition failed", __FUNCTION__, bda_str); 657 memset(&(added_dev->bd_addr), 0, 6); 658 added_dev->dev_handle = BTA_HH_INVALID_HANDLE; 659 return BT_STATUS_FAIL; 660 } 661 } 662 663 if (added_dev == NULL || 664 (added_dev->attr_mask & HID_NORMALLY_CONNECTABLE) != 0 || 665 (added_dev->attr_mask & HID_RECONN_INIT) == 0) 666 { 667 tBTA_SEC sec_mask = BTUI_HH_SECURITY; 668 btif_hh_cb.status = BTIF_HH_DEV_CONNECTING; 669 BD_ADDR *bda = (BD_ADDR*)bd_addr; 670 BTA_HhOpen(*bda, BTA_HH_PROTO_RPT_MODE, sec_mask); 671 } 672 else 673 { 674 // This device shall be connected from the host side. 675 BTIF_TRACE_ERROR2("%s: Error, device %s can only be reconnected from device side", 676 __FUNCTION__, bda_str); 677 return BT_STATUS_FAIL; 678 } 679 680 HAL_CBACK(bt_hh_callbacks, connection_state_cb, bd_addr, BTHH_CONN_STATE_CONNECTING); 681 return BT_STATUS_SUCCESS; 682 } 683 684 /******************************************************************************* 685 ** 686 ** Function btif_hh_disconnect 687 ** 688 ** Description disconnection initiated from the BTIF thread context 689 ** 690 ** Returns void 691 ** 692 *******************************************************************************/ 693 694 void btif_hh_disconnect(bt_bdaddr_t *bd_addr) 695 { 696 BD_ADDR *bda = (BD_ADDR*)bd_addr; 697 btif_hh_device_t *p_dev; 698 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 699 if (p_dev != NULL) 700 { 701 BTA_HhClose(p_dev->dev_handle); 702 } 703 else 704 BTIF_TRACE_DEBUG1("%s-- Error: device not connected:",__FUNCTION__); 705 } 706 707 /******************************************************************************* 708 ** 709 ** Function btif_btif_hh_setreport 710 ** 711 ** Description setreport initiated from the BTIF thread context 712 ** 713 ** Returns void 714 ** 715 *******************************************************************************/ 716 717 void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type, UINT16 size, 718 UINT8* report) 719 { 720 UINT8 hexbuf[20]; 721 UINT16 len = size; 722 int i = 0; 723 if (p_dev->p_buf != NULL) { 724 GKI_freebuf(p_dev->p_buf); 725 } 726 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 727 if (p_dev->p_buf == NULL) { 728 APPL_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", __FUNCTION__, len); 729 return; 730 } 731 732 p_dev->p_buf->len = len; 733 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 734 735 //Build a SetReport data buffer 736 memset(hexbuf, 0, 20); 737 for(i=0; i<len; i++) 738 hexbuf[i] = report[i]; 739 740 UINT8* pbuf_data; 741 pbuf_data = (UINT8*) (p_dev->p_buf + 1) + p_dev->p_buf->offset; 742 memcpy(pbuf_data, hexbuf, len); 743 BTA_HhSetReport(p_dev->dev_handle, r_type, p_dev->p_buf); 744 745 } 746 747 /***************************************************************************** 748 ** Section name (Group of functions) 749 *****************************************************************************/ 750 751 /***************************************************************************** 752 ** 753 ** btif hh api functions (no context switch) 754 ** 755 *****************************************************************************/ 756 757 758 /******************************************************************************* 759 ** 760 ** Function btif_hh_upstreams_evt 761 ** 762 ** Description Executes HH UPSTREAMS events in btif context 763 ** 764 ** Returns void 765 ** 766 *******************************************************************************/ 767 static void btif_hh_upstreams_evt(UINT16 event, char* p_param) 768 { 769 tBTA_HH *p_data = (tBTA_HH *)p_param; 770 bdstr_t bdstr; 771 btif_hh_device_t *p_dev = NULL; 772 int i; 773 int len, tmplen; 774 775 BTIF_TRACE_DEBUG2("%s: event=%s", __FUNCTION__, dump_hh_event(event)); 776 777 switch (event) 778 { 779 case BTA_HH_ENABLE_EVT: 780 BTIF_TRACE_DEBUG2("%s: BTA_HH_ENABLE_EVT: status =%d",__FUNCTION__, p_data->status); 781 if (p_data->status == BTA_HH_OK) { 782 btif_hh_cb.status = BTIF_HH_ENABLED; 783 BTIF_TRACE_DEBUG1("%s--Loading added devices",__FUNCTION__); 784 /* Add hid descriptors for already bonded hid devices*/ 785 btif_storage_load_bonded_hid_info(); 786 } 787 else { 788 btif_hh_cb.status = BTIF_HH_DISABLED; 789 BTIF_TRACE_WARNING1("BTA_HH_ENABLE_EVT: Error, HH enabling failed, status = %d", p_data->status); 790 } 791 break; 792 793 case BTA_HH_DISABLE_EVT: 794 btif_hh_cb.status = BTIF_HH_DISABLED; 795 if (p_data->status == BTA_HH_OK) { 796 int i; 797 //Clear the control block 798 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 799 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 800 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 801 } 802 } 803 else 804 BTIF_TRACE_WARNING1("BTA_HH_DISABLE_EVT: Error, HH disabling failed, status = %d", p_data->status); 805 break; 806 807 case BTA_HH_OPEN_EVT: 808 BTIF_TRACE_WARNING3("%s: BTA_HH_OPN_EVT: handle=%d, status =%d",__FUNCTION__, p_data->conn.handle, p_data->conn.status); 809 if (p_data->conn.status == BTA_HH_OK) { 810 p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 811 if (p_dev == NULL) { 812 BTIF_TRACE_WARNING1("BTA_HH_OPEN_EVT: Error, cannot find device with handle %d", p_data->conn.handle); 813 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 814 // The connect request must come from device side and exceeded the connected 815 // HID device number. 816 BTA_HhClose(p_data->conn.handle); 817 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 818 } 819 else if (p_dev->fd < 0) { 820 BTIF_TRACE_WARNING0("BTA_HH_OPEN_EVT: Error, failed to find the uhid driver..."); 821 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 822 //remove the connection and then try again to reconnect from the mouse side to recover 823 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 824 BTA_HhClose(p_data->conn.handle); 825 } 826 else { 827 BTIF_TRACE_WARNING1("BTA_HH_OPEN_EVT: Found device...Getting dscp info for handle ... %d",p_data->conn.handle); 828 memcpy(&(p_dev->bd_addr), p_data->conn.bda, BD_ADDR_LEN); 829 btif_hh_cb.status = BTIF_HH_DEV_CONNECTED; 830 // Send set_idle if the peer_device is a keyboard 831 if (check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_KEYBOARD )|| 832 check_cod((bt_bdaddr_t*)p_data->conn.bda, COD_HID_COMBO)) 833 BTA_HhSetIdle(p_data->conn.handle, 0); 834 btif_hh_cb.p_curr_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 835 BTA_HhGetDscpInfo(p_data->conn.handle); 836 p_dev->dev_status = BTHH_CONN_STATE_CONNECTED; 837 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 838 } 839 } 840 else { 841 bt_bdaddr_t *bdaddr = (bt_bdaddr_t*)p_data->conn.bda; 842 HAL_CBACK(bt_hh_callbacks, connection_state_cb, (bt_bdaddr_t*) &p_data->conn.bda,BTHH_CONN_STATE_DISCONNECTED); 843 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 844 } 845 break; 846 case BTA_HH_CLOSE_EVT: 847 BTIF_TRACE_DEBUG2("BTA_HH_CLOSE_EVT: status = %d, handle = %d", 848 p_data->dev_status.status, p_data->dev_status.handle); 849 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 850 if (p_dev != NULL) { 851 BTIF_TRACE_DEBUG2("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 852 if (p_dev->fd >= 0){ 853 UINT8 hidreport[9]; 854 memset(hidreport,0,9); 855 hidreport[0]=1; 856 bta_hh_co_write(p_dev->fd , hidreport, sizeof(hidreport)); 857 } 858 if(p_dev->vup_timer_active) 859 { 860 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 861 } 862 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 863 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 864 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 865 BTIF_TRACE_DEBUG2("%s: Closing uhid fd = %d", __FUNCTION__, p_dev->fd); 866 bta_hh_co_destroy(p_dev->fd); 867 p_dev->fd = -1; 868 } 869 else { 870 BTIF_TRACE_WARNING1("Error: cannot find device with handle %d", p_data->dev_status.handle); 871 } 872 break; 873 case BTA_HH_GET_RPT_EVT: 874 BTIF_TRACE_DEBUG2("BTA_HH_GET_RPT_EVT: status = %d, handle = %d", 875 p_data->hs_data.status, p_data->hs_data.handle); 876 p_dev = btif_hh_find_connected_dev_by_handle(p_data->conn.handle); 877 HAL_CBACK(bt_hh_callbacks, get_report_cb,(bt_bdaddr_t*) &(p_dev->bd_addr), (bthh_status_t) p_data->hs_data.status, 878 (uint8_t*) p_data->hs_data.rsp_data.p_rpt_data, BT_HDR_SIZE); 879 break; 880 881 case BTA_HH_SET_RPT_EVT: 882 BTIF_TRACE_DEBUG2("BTA_HH_SET_RPT_EVT: status = %d, handle = %d", 883 p_data->dev_status.status, p_data->dev_status.handle); 884 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 885 if (p_dev != NULL && p_dev->p_buf != NULL) { 886 BTIF_TRACE_DEBUG0("Freeing buffer..." ); 887 GKI_freebuf(p_dev->p_buf); 888 p_dev->p_buf = NULL; 889 } 890 break; 891 892 case BTA_HH_GET_PROTO_EVT: 893 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 894 BTIF_TRACE_WARNING4("BTA_HH_GET_PROTO_EVT: status = %d, handle = %d, proto = [%d], %s", 895 p_data->hs_data.status, p_data->hs_data.handle, 896 p_data->hs_data.rsp_data.proto_mode, 897 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE) ? "Report Mode" : 898 (p_data->hs_data.rsp_data.proto_mode == BTA_HH_PROTO_BOOT_MODE) ? "Boot Mode" : "Unsupported"); 899 HAL_CBACK(bt_hh_callbacks, protocol_mode_cb,(bt_bdaddr_t*) &(p_dev->bd_addr), (bthh_status_t)p_data->hs_data.status, 900 (bthh_protocol_mode_t) p_data->hs_data.rsp_data.proto_mode); 901 break; 902 903 case BTA_HH_SET_PROTO_EVT: 904 BTIF_TRACE_DEBUG2("BTA_HH_SET_PROTO_EVT: status = %d, handle = %d", 905 p_data->dev_status.status, p_data->dev_status.handle); 906 break; 907 908 case BTA_HH_GET_IDLE_EVT: 909 BTIF_TRACE_DEBUG3("BTA_HH_GET_IDLE_EVT: handle = %d, status = %d, rate = %d", 910 p_data->hs_data.handle, p_data->hs_data.status, 911 p_data->hs_data.rsp_data.idle_rate); 912 break; 913 914 case BTA_HH_SET_IDLE_EVT: 915 BTIF_TRACE_DEBUG2("BTA_HH_SET_IDLE_EVT: status = %d, handle = %d", 916 p_data->dev_status.status, p_data->dev_status.handle); 917 break; 918 919 case BTA_HH_GET_DSCP_EVT: 920 BTIF_TRACE_WARNING2("BTA_HH_GET_DSCP_EVT: status = %d, handle = %d", 921 p_data->dev_status.status, p_data->dev_status.handle); 922 len = p_data->dscp_info.descriptor.dl_len; 923 BTIF_TRACE_DEBUG1("BTA_HH_GET_DSCP_EVT: len = %d", len); 924 p_dev = btif_hh_cb.p_curr_dev; 925 if (p_dev == NULL) { 926 BTIF_TRACE_ERROR0("BTA_HH_GET_DSCP_EVT: No HID device is currently connected"); 927 return; 928 } 929 if (p_dev->fd < 0) { 930 ALOGE("BTA_HH_GET_DSCP_EVT: Error, failed to find the uhid driver..."); 931 return; 932 } 933 { 934 char *cached_name = NULL; 935 char name[] = "Broadcom Bluetooth HID"; 936 if (cached_name == NULL) { 937 cached_name = name; 938 } 939 940 BTIF_TRACE_WARNING2("%s: name = %s", __FUNCTION__, cached_name); 941 bta_hh_co_send_hid_info(p_dev, cached_name, 942 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 943 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 944 len, p_data->dscp_info.descriptor.dsc_list); 945 if (btif_hh_add_added_dev(p_dev->bd_addr, p_dev->attr_mask)) { 946 BD_ADDR bda; 947 bdcpy(bda, p_dev->bd_addr.address); 948 tBTA_HH_DEV_DSCP_INFO dscp_info; 949 bt_status_t ret; 950 bdcpy(bda, p_dev->bd_addr.address); 951 btif_hh_copy_hid_info(&dscp_info, &p_data->dscp_info); 952 BTIF_TRACE_DEBUG6("BTA_HH_GET_DSCP_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 953 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 954 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 955 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 956 BTA_HhAddDev(bda, p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, dscp_info); 957 // write hid info to nvram 958 ret = btif_storage_add_hid_device_info(&(p_dev->bd_addr), p_dev->attr_mask,p_dev->sub_class,p_dev->app_id, 959 p_data->dscp_info.vendor_id, p_data->dscp_info.product_id, 960 p_data->dscp_info.version, p_data->dscp_info.ctry_code, 961 len, p_data->dscp_info.descriptor.dsc_list); 962 963 ASSERTC(ret == BT_STATUS_SUCCESS, "storing hid info failed", ret); 964 BTIF_TRACE_WARNING0("BTA_HH_GET_DSCP_EVT: Called add device"); 965 966 //Free buffer created for dscp_info; 967 if (dscp_info.descriptor.dl_len >0 && dscp_info.descriptor.dsc_list != NULL) 968 { 969 GKI_freebuf(dscp_info.descriptor.dsc_list); 970 dscp_info.descriptor.dsc_list = NULL; 971 dscp_info.descriptor.dl_len=0; 972 } 973 } 974 else { 975 //Device already added. 976 BTIF_TRACE_WARNING1("%s: Device already added ",__FUNCTION__); 977 } 978 /*Sync HID Keyboard lockstates */ 979 tmplen = sizeof(hid_kb_numlock_on_list) 980 / sizeof(tHID_KB_LIST); 981 for(i = 0; i< tmplen; i++) 982 { 983 if(p_data->dscp_info.vendor_id 984 == hid_kb_numlock_on_list[i].version_id && 985 p_data->dscp_info.product_id 986 == hid_kb_numlock_on_list[i].product_id) 987 { 988 BTIF_TRACE_DEBUG3("%s() idx[%d] Enabling "\ 989 "NUMLOCK for device :: %s", __FUNCTION__, 990 i, hid_kb_numlock_on_list[i].kb_name); 991 /* Enable NUMLOCK by default so that numeric 992 keys work from first keyboard connect */ 993 set_keylockstate(BTIF_HH_KEYSTATE_MASK_NUMLOCK, 994 TRUE); 995 sync_lockstate_on_connect(p_dev); 996 /* End Sync HID Keyboard lockstates */ 997 break; 998 } 999 } 1000 } 1001 break; 1002 1003 case BTA_HH_ADD_DEV_EVT: 1004 BTIF_TRACE_WARNING2("BTA_HH_ADD_DEV_EVT: status = %d, handle = %d",p_data->dev_info.status, p_data->dev_info.handle); 1005 int i; 1006 for (i = 0; i < BTIF_HH_MAX_ADDED_DEV; i++) { 1007 if (memcmp(btif_hh_cb.added_devices[i].bd_addr.address, p_data->dev_info.bda, 6) == 0) { 1008 if (p_data->dev_info.status == BTA_HH_OK) { 1009 btif_hh_cb.added_devices[i].dev_handle = p_data->dev_info.handle; 1010 } 1011 else { 1012 memset(btif_hh_cb.added_devices[i].bd_addr.address, 0, 6); 1013 btif_hh_cb.added_devices[i].dev_handle = BTA_HH_INVALID_HANDLE; 1014 } 1015 break; 1016 } 1017 } 1018 break; 1019 case BTA_HH_RMV_DEV_EVT: 1020 BTIF_TRACE_DEBUG2("BTA_HH_RMV_DEV_EVT: status = %d, handle = %d", 1021 p_data->dev_info.status, p_data->dev_info.handle); 1022 BTIF_TRACE_DEBUG6("BTA_HH_RMV_DEV_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1023 p_data->dev_info.bda[0], p_data->dev_info.bda[1], p_data->dev_info.bda[2], 1024 p_data->dev_info.bda[3], p_data->dev_info.bda[4], p_data->dev_info.bda[5]); 1025 break; 1026 1027 1028 case BTA_HH_VC_UNPLUG_EVT: 1029 BTIF_TRACE_DEBUG2("BTA_HH_VC_UNPLUG_EVT: status = %d, handle = %d", 1030 p_data->dev_status.status, p_data->dev_status.handle); 1031 p_dev = btif_hh_find_connected_dev_by_handle(p_data->dev_status.handle); 1032 btif_hh_cb.status = BTIF_HH_DEV_DISCONNECTED; 1033 if (p_dev != NULL) { 1034 BTIF_TRACE_DEBUG6("BTA_HH_VC_UNPLUG_EVT:bda = %02x:%02x:%02x:%02x:%02x:%02x", 1035 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], 1036 p_dev->bd_addr.address[2],p_dev->bd_addr.address[3], 1037 p_dev->bd_addr.address[4], p_dev->bd_addr.address[5]); 1038 /* Stop the VUP timer */ 1039 if(p_dev->vup_timer_active) 1040 { 1041 btif_hh_stop_vup_timer(&(p_dev->bd_addr)); 1042 } 1043 p_dev->dev_status = BTHH_CONN_STATE_DISCONNECTED; 1044 BTIF_TRACE_DEBUG1("%s---Sending connection state change", __FUNCTION__); 1045 HAL_CBACK(bt_hh_callbacks, connection_state_cb,&(p_dev->bd_addr), p_dev->dev_status); 1046 BTIF_TRACE_DEBUG1("%s---Removing HID bond", __FUNCTION__); 1047 BTA_DmRemoveDevice((UINT8 *)p_dev->bd_addr.address); 1048 HAL_CBACK(bt_hh_callbacks, virtual_unplug_cb,&(p_dev->bd_addr), 1049 p_data->dev_status.status); 1050 } 1051 break; 1052 1053 case BTA_HH_API_ERR_EVT : 1054 ALOGI("BTA_HH API_ERR"); 1055 break; 1056 1057 1058 1059 default: 1060 BTIF_TRACE_WARNING2("%s: Unhandled event: %d", __FUNCTION__, event); 1061 break; 1062 } 1063 } 1064 1065 /******************************************************************************* 1066 ** 1067 ** Function bte_hh_evt 1068 ** 1069 ** Description Switches context from BTE to BTIF for all HH events 1070 ** 1071 ** Returns void 1072 ** 1073 *******************************************************************************/ 1074 1075 static void bte_hh_evt(tBTA_HH_EVT event, tBTA_HH *p_data) 1076 { 1077 bt_status_t status; 1078 int param_len = 0; 1079 1080 if (BTA_HH_ENABLE_EVT == event) 1081 param_len = sizeof(tBTA_HH_STATUS); 1082 else if (BTA_HH_OPEN_EVT == event) 1083 param_len = sizeof(tBTA_HH_CONN); 1084 else if (BTA_HH_DISABLE_EVT == event) 1085 param_len = sizeof(tBTA_HH_STATUS); 1086 else if (BTA_HH_CLOSE_EVT == event) 1087 param_len = sizeof(tBTA_HH_CBDATA); 1088 else if (BTA_HH_GET_DSCP_EVT == event) 1089 param_len = sizeof(tBTA_HH_DEV_DSCP_INFO); 1090 else if ((BTA_HH_GET_PROTO_EVT == event) || (BTA_HH_GET_RPT_EVT == event)|| (BTA_HH_GET_IDLE_EVT == event)) 1091 param_len = sizeof(tBTA_HH_HSDATA); 1092 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)) 1093 param_len = sizeof(tBTA_HH_CBDATA); 1094 else if ((BTA_HH_ADD_DEV_EVT == event) || (BTA_HH_RMV_DEV_EVT == event) ) 1095 param_len = sizeof(tBTA_HH_DEV_INFO); 1096 else if (BTA_HH_API_ERR_EVT == event) 1097 param_len = 0; 1098 /* switch context to btif task context (copy full union size for convenience) */ 1099 status = btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)p_data, param_len, NULL); 1100 1101 /* catch any failed context transfers */ 1102 ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status); 1103 } 1104 1105 /******************************************************************************* 1106 ** 1107 ** Function btif_hh_handle_evt 1108 ** 1109 ** Description Switches context for immediate callback 1110 ** 1111 ** Returns void 1112 ** 1113 *******************************************************************************/ 1114 1115 static void btif_hh_handle_evt(UINT16 event, char *p_param) 1116 { 1117 bt_bdaddr_t *bd_addr = (bt_bdaddr_t*)p_param; 1118 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1119 int ret; 1120 switch(event) 1121 { 1122 case BTIF_HH_CONNECT_REQ_EVT: 1123 { 1124 ret = btif_hh_connect(bd_addr); 1125 if(ret == BT_STATUS_SUCCESS) 1126 { 1127 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_CONNECTING); 1128 } 1129 else 1130 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTED); 1131 } 1132 break; 1133 1134 case BTIF_HH_DISCONNECT_REQ_EVT: 1135 { 1136 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1137 btif_hh_disconnect(bd_addr); 1138 HAL_CBACK(bt_hh_callbacks, connection_state_cb,bd_addr,BTHH_CONN_STATE_DISCONNECTING); 1139 } 1140 break; 1141 1142 case BTIF_HH_VUP_REQ_EVT: 1143 { 1144 BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event); 1145 ret = btif_hh_virtual_unplug(bd_addr); 1146 } 1147 break; 1148 1149 default: 1150 { 1151 BTIF_TRACE_WARNING2("%s : Unknown event 0x%x", __FUNCTION__, event); 1152 } 1153 break; 1154 } 1155 } 1156 1157 /******************************************************************************* 1158 ** 1159 ** Function btif_hh_tmr_hdlr 1160 ** 1161 ** Description Process timer timeout 1162 ** 1163 ** Returns void 1164 *******************************************************************************/ 1165 void btif_hh_tmr_hdlr(TIMER_LIST_ENT *tle) 1166 { 1167 btif_hh_device_t *p_dev; 1168 UINT8 i,j; 1169 tBTA_HH_EVT event; 1170 tBTA_HH p_data; 1171 int param_len = 0; 1172 memset(&p_data, 0, sizeof(tBTA_HH)); 1173 1174 BTIF_TRACE_DEBUG2("%s timer_in_use=%d", __FUNCTION__, tle->in_use ); 1175 1176 for (i = 0; i < BTIF_HH_MAX_HID; i++) { 1177 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_CONNECTED) 1178 { 1179 1180 p_dev = &btif_hh_cb.devices[i]; 1181 1182 if (p_dev->vup_timer_active) 1183 { 1184 p_dev->vup_timer_active = FALSE; 1185 event = BTA_HH_VC_UNPLUG_EVT; 1186 p_data.dev_status.status = BTHH_ERR; 1187 p_data.dev_status.handle = p_dev->dev_handle; 1188 param_len = sizeof(tBTA_HH_CBDATA); 1189 1190 /* switch context to btif task context */ 1191 btif_transfer_context(btif_hh_upstreams_evt, (uint16_t)event, (void*)&p_data, 1192 param_len, NULL); 1193 } 1194 } 1195 } 1196 } 1197 1198 /******************************************************************************* 1199 ** 1200 ** Function btif_hh_init 1201 ** 1202 ** Description initializes the hh interface 1203 ** 1204 ** Returns bt_status_t 1205 ** 1206 *******************************************************************************/ 1207 static bt_status_t init( bthh_callbacks_t* callbacks ) 1208 { 1209 UINT32 i; 1210 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1211 1212 bt_hh_callbacks = callbacks; 1213 memset(&btif_hh_cb, 0, sizeof(btif_hh_cb)); 1214 for (i = 0; i < BTIF_HH_MAX_HID; i++){ 1215 btif_hh_cb.devices[i].dev_status = BTHH_CONN_STATE_UNKNOWN; 1216 } 1217 /* Invoke the enable service API to the core to set the appropriate service_id */ 1218 btif_enable_service(BTA_HID_SERVICE_ID); 1219 return BT_STATUS_SUCCESS; 1220 } 1221 1222 /******************************************************************************* 1223 ** 1224 ** Function connect 1225 ** 1226 ** Description connect to hid device 1227 ** 1228 ** Returns bt_status_t 1229 ** 1230 *******************************************************************************/ 1231 static bt_status_t connect( bt_bdaddr_t *bd_addr) 1232 { 1233 if(btif_hh_cb.status != BTIF_HH_DEV_CONNECTING) 1234 { 1235 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_CONNECT_REQ_EVT, 1236 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1237 return BT_STATUS_SUCCESS; 1238 } 1239 else 1240 return BT_STATUS_BUSY; 1241 } 1242 1243 /******************************************************************************* 1244 ** 1245 ** Function disconnect 1246 ** 1247 ** Description disconnect from hid device 1248 ** 1249 ** Returns bt_status_t 1250 ** 1251 *******************************************************************************/ 1252 static bt_status_t disconnect( bt_bdaddr_t *bd_addr ) 1253 { 1254 CHECK_BTHH_INIT(); 1255 btif_hh_device_t *p_dev; 1256 1257 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1258 { 1259 BTIF_TRACE_WARNING2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1260 return BT_STATUS_FAIL; 1261 } 1262 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1263 if (p_dev != NULL) 1264 { 1265 return btif_transfer_context(btif_hh_handle_evt, BTIF_HH_DISCONNECT_REQ_EVT, 1266 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1267 } 1268 else 1269 { 1270 BTIF_TRACE_WARNING1("%s: Error, device not opened.", __FUNCTION__); 1271 return BT_STATUS_FAIL; 1272 } 1273 } 1274 1275 /******************************************************************************* 1276 ** 1277 ** Function virtual_unplug 1278 ** 1279 ** Description Virtual UnPlug (VUP) the specified HID device. 1280 ** 1281 ** Returns bt_status_t 1282 ** 1283 *******************************************************************************/ 1284 static bt_status_t virtual_unplug (bt_bdaddr_t *bd_addr) 1285 { 1286 CHECK_BTHH_INIT(); 1287 btif_hh_device_t *p_dev; 1288 char bd_str[18]; 1289 sprintf(bd_str, "%02X:%02X:%02X:%02X:%02X:%02X", 1290 bd_addr->address[0], bd_addr->address[1], bd_addr->address[2], bd_addr->address[3], 1291 bd_addr->address[4], bd_addr->address[5]); 1292 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1293 { 1294 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1295 return BT_STATUS_FAIL; 1296 } 1297 p_dev = btif_hh_find_dev_by_bda(bd_addr); 1298 if (!p_dev) 1299 { 1300 BTIF_TRACE_ERROR2("%s: Error, device %s not opened.", __FUNCTION__, bd_str); 1301 return BT_STATUS_FAIL; 1302 } 1303 btif_transfer_context(btif_hh_handle_evt, BTIF_HH_VUP_REQ_EVT, 1304 (char*)bd_addr, sizeof(bt_bdaddr_t), NULL); 1305 return BT_STATUS_SUCCESS; 1306 } 1307 1308 1309 /******************************************************************************* 1310 ** 1311 ** Function set_info 1312 ** 1313 ** Description Set the HID device descriptor for the specified HID device. 1314 ** 1315 ** Returns bt_status_t 1316 ** 1317 *******************************************************************************/ 1318 static bt_status_t set_info (bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info ) 1319 { 1320 CHECK_BTHH_INIT(); 1321 tBTA_HH_DEV_DSCP_INFO dscp_info; 1322 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1323 1324 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1325 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1326 BTIF_TRACE_DEBUG6("%s: sub_class = 0x%02x, app_id = %d, vendor_id = 0x%04x, " 1327 "product_id = 0x%04x, version= 0x%04x", 1328 __FUNCTION__, hid_info.sub_class, 1329 hid_info.app_id, hid_info.vendor_id, hid_info.product_id, 1330 hid_info.version); 1331 1332 if (btif_hh_cb.status == BTIF_HH_DISABLED) 1333 { 1334 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1335 return BT_STATUS_FAIL; 1336 } 1337 1338 dscp_info.vendor_id = hid_info.vendor_id; 1339 dscp_info.product_id = hid_info.product_id; 1340 dscp_info.version = hid_info.version; 1341 dscp_info.ctry_code = hid_info.ctry_code; 1342 1343 dscp_info.descriptor.dl_len = hid_info.dl_len; 1344 dscp_info.descriptor.dsc_list = (UINT8 *) GKI_getbuf(dscp_info.descriptor.dl_len); 1345 if (dscp_info.descriptor.dsc_list == NULL) 1346 { 1347 ALOGE("%s: Failed to allocate DSCP for CB", __FUNCTION__); 1348 return BT_STATUS_FAIL; 1349 } 1350 memcpy(dscp_info.descriptor.dsc_list, &(hid_info.dsc_list), hid_info.dl_len); 1351 1352 if (btif_hh_add_added_dev(*bd_addr, hid_info.attr_mask)) 1353 { 1354 BTA_HhAddDev(*bda, hid_info.attr_mask, hid_info.sub_class, 1355 hid_info.app_id, dscp_info); 1356 } 1357 1358 GKI_freebuf(dscp_info.descriptor.dsc_list); 1359 1360 return BT_STATUS_SUCCESS; 1361 } 1362 /******************************************************************************* 1363 ** 1364 ** Function get_idle_time 1365 ** 1366 ** Description Get the HID idle time 1367 ** 1368 ** Returns bt_status_t 1369 ** 1370 *******************************************************************************/ 1371 static bt_status_t get_idle_time(bt_bdaddr_t *bd_addr) 1372 { 1373 CHECK_BTHH_INIT(); 1374 btif_hh_device_t *p_dev; 1375 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1376 1377 BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1378 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1379 1380 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1381 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1382 return BT_STATUS_FAIL; 1383 } 1384 1385 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1386 if (p_dev != NULL) { 1387 //BTA_HhGetIdle(p_dev->dev_handle); 1388 } 1389 else { 1390 return BT_STATUS_FAIL; 1391 } 1392 return BT_STATUS_SUCCESS; 1393 } 1394 1395 /******************************************************************************* 1396 ** 1397 ** Function set_idle_time 1398 ** 1399 ** Description Set the HID idle time 1400 ** 1401 ** Returns bt_status_t 1402 ** 1403 *******************************************************************************/ 1404 static bt_status_t set_idle_time (bt_bdaddr_t *bd_addr, uint8_t idle_time) 1405 { 1406 CHECK_BTHH_INIT(); 1407 btif_hh_device_t *p_dev; 1408 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1409 1410 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1411 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1412 1413 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1414 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1415 return BT_STATUS_FAIL; 1416 } 1417 1418 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1419 if (p_dev == NULL) { 1420 BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1421 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1422 return BT_STATUS_FAIL; 1423 } 1424 else { 1425 //BTA_HhSetIdle(p_dev->dev_handle, idle_time); 1426 } 1427 return BT_STATUS_SUCCESS; 1428 } 1429 1430 /******************************************************************************* 1431 ** 1432 ** Function get_protocol 1433 ** 1434 ** Description Get the HID proto mode. 1435 ** 1436 ** Returns bt_status_t 1437 ** 1438 *******************************************************************************/ 1439 static bt_status_t get_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1440 { 1441 CHECK_BTHH_INIT(); 1442 btif_hh_device_t *p_dev; 1443 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1444 1445 BTIF_TRACE_DEBUG6(" addr = %02X:%02X:%02X:%02X:%02X:%02X", 1446 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1447 1448 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1449 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1450 return BT_STATUS_FAIL; 1451 } 1452 1453 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1454 if (p_dev != NULL) { 1455 BTA_HhGetProtoMode(p_dev->dev_handle); 1456 } 1457 else { 1458 return BT_STATUS_FAIL; 1459 } 1460 return BT_STATUS_SUCCESS; 1461 } 1462 1463 /******************************************************************************* 1464 ** 1465 ** Function set_protocol 1466 ** 1467 ** Description Set the HID proto mode. 1468 ** 1469 ** Returns bt_status_t 1470 ** 1471 *******************************************************************************/ 1472 static bt_status_t set_protocol (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode) 1473 { 1474 CHECK_BTHH_INIT(); 1475 btif_hh_device_t *p_dev; 1476 UINT8 proto_mode = protocolMode; 1477 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1478 1479 BTIF_TRACE_DEBUG2("%s:proto_mode = %d", __FUNCTION__,protocolMode); 1480 1481 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1482 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1483 1484 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1485 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1486 return BT_STATUS_FAIL; 1487 } 1488 1489 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1490 if (p_dev == NULL) { 1491 BTIF_TRACE_WARNING6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1492 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1493 return BT_STATUS_FAIL; 1494 } 1495 else if (protocolMode != BTA_HH_PROTO_RPT_MODE && protocolMode != BTA_HH_PROTO_BOOT_MODE) { 1496 BTIF_TRACE_WARNING2("s: Error, device proto_mode = %d.", __FUNCTION__, proto_mode); 1497 return BT_STATUS_FAIL; 1498 } 1499 else { 1500 BTA_HhSetProtoMode(p_dev->dev_handle, protocolMode); 1501 } 1502 1503 1504 return BT_STATUS_SUCCESS; 1505 } 1506 1507 /******************************************************************************* 1508 ** 1509 ** Function get_report 1510 ** 1511 ** Description Send a GET_REPORT to HID device. 1512 ** 1513 ** Returns bt_status_t 1514 ** 1515 *******************************************************************************/ 1516 static bt_status_t get_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize) 1517 { 1518 CHECK_BTHH_INIT(); 1519 btif_hh_device_t *p_dev; 1520 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1521 1522 BTIF_TRACE_DEBUG4("%s:proto_mode = %dr_type = %d, rpt_id = %d, buf_size = %d", __FUNCTION__, 1523 reportType, reportId, bufferSize); 1524 1525 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1526 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1527 1528 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1529 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1530 return BT_STATUS_FAIL; 1531 } 1532 1533 1534 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1535 if (p_dev == NULL) { 1536 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1537 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1538 return BT_STATUS_FAIL; 1539 } 1540 else if ( ((int) reportType) <= BTA_HH_RPTT_RESRV || ((int) reportType) > BTA_HH_RPTT_FEATURE) { 1541 BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1542 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1543 return BT_STATUS_FAIL; 1544 } 1545 else { 1546 BTA_HhGetReport(p_dev->dev_handle, reportType, 1547 reportId, bufferSize); 1548 } 1549 1550 return BT_STATUS_SUCCESS; 1551 } 1552 1553 /******************************************************************************* 1554 ** 1555 ** Function set_report 1556 ** 1557 ** Description Send a SET_REPORT to HID device. 1558 ** 1559 ** Returns bt_status_t 1560 ** 1561 *******************************************************************************/ 1562 static bt_status_t set_report (bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report) 1563 { 1564 CHECK_BTHH_INIT(); 1565 btif_hh_device_t *p_dev; 1566 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1567 1568 BTIF_TRACE_DEBUG2("%s:reportType = %d", __FUNCTION__,reportType); 1569 1570 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1571 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1572 1573 1574 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1575 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1576 return BT_STATUS_FAIL; 1577 } 1578 1579 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1580 if (p_dev == NULL) { 1581 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1582 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1583 return BT_STATUS_FAIL; 1584 } 1585 else if ( ( (int) reportType) <= BTA_HH_RPTT_RESRV || ( (int) reportType) > BTA_HH_RPTT_FEATURE) { 1586 BTIF_TRACE_ERROR6(" Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1587 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1588 return BT_STATUS_FAIL; 1589 } 1590 else { 1591 int hex_bytes_filled; 1592 UINT8 hexbuf[200]; 1593 UINT16 len = (strlen(report) + 1) / 2; 1594 1595 if (p_dev->p_buf != NULL) { 1596 GKI_freebuf(p_dev->p_buf); 1597 } 1598 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 1599 if (p_dev->p_buf == NULL) { 1600 BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", __FUNCTION__, len); 1601 return BT_STATUS_FAIL; 1602 } 1603 1604 p_dev->p_buf->len = len; 1605 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 1606 1607 /* Build a SetReport data buffer */ 1608 memset(hexbuf, 0, 200); 1609 //TODO 1610 hex_bytes_filled = ascii_2_hex(report, len, hexbuf); 1611 ALOGI("Hex bytes filled, hex value: %d", hex_bytes_filled); 1612 1613 if (hex_bytes_filled) { 1614 UINT8* pbuf_data; 1615 pbuf_data = (UINT8*) (p_dev->p_buf + 1) + p_dev->p_buf->offset; 1616 memcpy(pbuf_data, hexbuf, hex_bytes_filled); 1617 BTA_HhSetReport(p_dev->dev_handle, reportType, p_dev->p_buf); 1618 } 1619 return BT_STATUS_SUCCESS; 1620 } 1621 1622 1623 } 1624 1625 /******************************************************************************* 1626 ** 1627 ** Function send_data 1628 ** 1629 ** Description Send a SEND_DATA to HID device. 1630 ** 1631 ** Returns bt_status_t 1632 ** 1633 *******************************************************************************/ 1634 static bt_status_t send_data (bt_bdaddr_t *bd_addr, char* data) 1635 { 1636 CHECK_BTHH_INIT(); 1637 btif_hh_device_t *p_dev; 1638 BD_ADDR* bda = (BD_ADDR*) bd_addr; 1639 1640 BTIF_TRACE_DEBUG1("%s", __FUNCTION__); 1641 1642 BTIF_TRACE_DEBUG6("addr = %02X:%02X:%02X:%02X:%02X:%02X", 1643 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1644 1645 if (btif_hh_cb.status == BTIF_HH_DISABLED) { 1646 BTIF_TRACE_ERROR2("%s: Error, HH status = %d", __FUNCTION__, btif_hh_cb.status); 1647 return BT_STATUS_FAIL; 1648 } 1649 1650 p_dev = btif_hh_find_connected_dev_by_bda(bd_addr); 1651 if (p_dev == NULL) { 1652 BTIF_TRACE_ERROR6("%s: Error, device %02X:%02X:%02X:%02X:%02X:%02X not opened.", 1653 (*bda)[0], (*bda)[1], (*bda)[2], (*bda)[3], (*bda)[4], (*bda)[5]); 1654 return BT_STATUS_FAIL; 1655 } 1656 1657 else { 1658 int hex_bytes_filled; 1659 UINT8 hexbuf[200]; 1660 UINT16 len = (strlen(data) + 1) / 2; 1661 1662 if (p_dev->p_buf != NULL) { 1663 GKI_freebuf(p_dev->p_buf); 1664 } 1665 p_dev->p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR))); 1666 if (p_dev->p_buf == NULL) { 1667 BTIF_TRACE_ERROR2("%s: Error, failed to allocate RPT buffer, len = %d", __FUNCTION__, len); 1668 return BT_STATUS_FAIL; 1669 } 1670 1671 p_dev->p_buf->len = len; 1672 p_dev->p_buf->offset = BTA_HH_MIN_OFFSET; 1673 1674 /* Build a SetReport data buffer */ 1675 memset(hexbuf, 0, 200); 1676 hex_bytes_filled = ascii_2_hex(data, len, hexbuf); 1677 BTIF_TRACE_ERROR2("Hex bytes filled, hex value: %d, %d", hex_bytes_filled, len); 1678 1679 if (hex_bytes_filled) { 1680 UINT8* pbuf_data; 1681 pbuf_data = (UINT8*) (p_dev->p_buf + 1) + p_dev->p_buf->offset; 1682 memcpy(pbuf_data, hexbuf, hex_bytes_filled); 1683 p_dev->p_buf->layer_specific = BTA_HH_RPTT_OUTPUT; 1684 BTA_HhSendData(p_dev->dev_handle, *bda, p_dev->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 *******************************************************************************/ 1702 static 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 1731 static 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 *******************************************************************************/ 1757 bt_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 *******************************************************************************/ 1780 const bthh_interface_t *btif_hh_get_interface() 1781 { 1782 BTIF_TRACE_EVENT1("%s", __FUNCTION__); 1783 return &bthhInterface; 1784 } 1785
