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 //#if (defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE))
20
21 #include <ctype.h>
22 #include <fcntl.h>
23 #include <sys/poll.h>
24 #include <pthread.h>
25 #include <stdio.h>
26 #include <string.h>
27 #include <stdint.h>
28 #include <errno.h>
29 #include <unistd.h>
30 #include <linux/uhid.h>
31 #include <unistd.h>
32 #include "btif_hh.h"
33 #include "bta_api.h"
34 #include "bta_hh_api.h"
35 #include "btif_util.h"
36 #include "bta_hh_co.h"
37
38 const char *dev_path = "/dev/uhid";
39
40 #if (BLE_INCLUDED == TRUE && BTA_HH_LE_INCLUDED == TRUE)
41 #include "btif_config.h"
42 #define BTA_HH_NV_LOAD_MAX 16
43 static tBTA_HH_RPT_CACHE_ENTRY sReportCache[BTA_HH_NV_LOAD_MAX];
44 #endif
45
46 /*Internal function to perform UHID write and error checking*/
uhid_write(int fd,const struct uhid_event * ev)47 static int uhid_write(int fd, const struct uhid_event *ev)
48 {
49 ssize_t ret;
50 ret = write(fd, ev, sizeof(*ev));
51 if (ret < 0){
52 int rtn = -errno;
53 APPL_TRACE_ERROR("%s: Cannot write to uhid:%s",
54 __FUNCTION__, strerror(errno));
55 return rtn;
56 } else if (ret != (ssize_t)sizeof(*ev)) {
57 APPL_TRACE_ERROR("%s: Wrong size written to uhid: %zd != %zu",
58 __FUNCTION__, ret, sizeof(*ev));
59 return -EFAULT;
60 } else {
61 return 0;
62 }
63 }
64
65 /* Internal function to parse the events received from UHID driver*/
uhid_event(btif_hh_device_t * p_dev)66 static int uhid_event(btif_hh_device_t *p_dev)
67 {
68 struct uhid_event ev;
69 ssize_t ret;
70 memset(&ev, 0, sizeof(ev));
71 if(!p_dev)
72 {
73 APPL_TRACE_ERROR("%s: Device not found",__FUNCTION__)
74 return -1;
75 }
76 ret = read(p_dev->fd, &ev, sizeof(ev));
77 if (ret == 0) {
78 APPL_TRACE_ERROR("%s: Read HUP on uhid-cdev %s", __FUNCTION__,
79 strerror(errno));
80 return -EFAULT;
81 } else if (ret < 0) {
82 APPL_TRACE_ERROR("%s: Cannot read uhid-cdev: %s", __FUNCTION__,
83 strerror(errno));
84 return -errno;
85 } else if (ret < (ssize_t)sizeof(ev.type)) {
86 APPL_TRACE_ERROR("%s: Invalid size read from uhid-dev: %zd < %zu",
87 __FUNCTION__, ret, sizeof(ev.type));
88 return -EFAULT;
89 }
90
91 switch (ev.type) {
92 case UHID_START:
93 APPL_TRACE_DEBUG("UHID_START from uhid-dev\n");
94 break;
95 case UHID_STOP:
96 APPL_TRACE_DEBUG("UHID_STOP from uhid-dev\n");
97 break;
98 case UHID_OPEN:
99 APPL_TRACE_DEBUG("UHID_OPEN from uhid-dev\n");
100 break;
101 case UHID_CLOSE:
102 APPL_TRACE_DEBUG("UHID_CLOSE from uhid-dev\n");
103 break;
104 case UHID_OUTPUT:
105 if (ret < (ssize_t)(sizeof(ev.type) + sizeof(ev.u.output))) {
106 APPL_TRACE_ERROR("%s: Invalid size read from uhid-dev: %zd < %zu",
107 __FUNCTION__, ret,
108 sizeof(ev.type) + sizeof(ev.u.output));
109 return -EFAULT;
110 }
111
112 APPL_TRACE_DEBUG("UHID_OUTPUT: Report type = %d, report_size = %d"
113 ,ev.u.output.rtype, ev.u.output.size);
114 //Send SET_REPORT with feature report if the report type in output event is FEATURE
115 if(ev.u.output.rtype == UHID_FEATURE_REPORT)
116 btif_hh_setreport(p_dev, BTHH_FEATURE_REPORT,
117 ev.u.output.size, ev.u.output.data);
118 else if(ev.u.output.rtype == UHID_OUTPUT_REPORT)
119 btif_hh_setreport(p_dev, BTHH_OUTPUT_REPORT,
120 ev.u.output.size, ev.u.output.data);
121 else
122 btif_hh_setreport(p_dev, BTHH_INPUT_REPORT,
123 ev.u.output.size, ev.u.output.data);
124 break;
125 case UHID_OUTPUT_EV:
126 APPL_TRACE_DEBUG("UHID_OUTPUT_EV from uhid-dev\n");
127 break;
128 case UHID_FEATURE:
129 APPL_TRACE_DEBUG("UHID_FEATURE from uhid-dev\n");
130 break;
131 case UHID_FEATURE_ANSWER:
132 APPL_TRACE_DEBUG("UHID_FEATURE_ANSWER from uhid-dev\n");
133 break;
134
135 default:
136 APPL_TRACE_DEBUG("Invalid event from uhid-dev: %u\n", ev.type);
137 }
138
139 return 0;
140 }
141
142 /*******************************************************************************
143 **
144 ** Function create_thread
145 **
146 ** Description creat a select loop
147 **
148 ** Returns pthread_t
149 **
150 *******************************************************************************/
create_thread(void * (* start_routine)(void *),void * arg)151 static inline pthread_t create_thread(void *(*start_routine)(void *), void * arg){
152 APPL_TRACE_DEBUG("create_thread: entered");
153 pthread_attr_t thread_attr;
154
155 pthread_attr_init(&thread_attr);
156 pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE);
157 pthread_t thread_id = -1;
158 if ( pthread_create(&thread_id, &thread_attr, start_routine, arg)!=0 )
159 {
160 APPL_TRACE_ERROR("pthread_create : %s", strerror(errno));
161 return -1;
162 }
163 APPL_TRACE_DEBUG("create_thread: thread created successfully");
164 return thread_id;
165 }
166
167 /*******************************************************************************
168 **
169 ** Function btif_hh_poll_event_thread
170 **
171 ** Description the polling thread which polls for event from UHID driver
172 **
173 ** Returns void
174 **
175 *******************************************************************************/
btif_hh_poll_event_thread(void * arg)176 static void *btif_hh_poll_event_thread(void *arg)
177 {
178
179 btif_hh_device_t *p_dev = arg;
180 APPL_TRACE_DEBUG("%s: Thread created fd = %d", __FUNCTION__, p_dev->fd);
181 struct pollfd pfds[1];
182 int ret;
183 pfds[0].fd = p_dev->fd;
184 pfds[0].events = POLLIN;
185
186 while(p_dev->hh_keep_polling){
187 ret = poll(pfds, 1, 50);
188 if (ret < 0) {
189 APPL_TRACE_ERROR("%s: Cannot poll for fds: %s\n", __FUNCTION__, strerror(errno));
190 break;
191 }
192 if (pfds[0].revents & POLLIN) {
193 APPL_TRACE_DEBUG("btif_hh_poll_event_thread: POLLIN");
194 ret = uhid_event(p_dev);
195 if (ret){
196 break;
197 }
198 }
199 }
200
201 p_dev->hh_poll_thread_id = -1;
202 return 0;
203 }
204
btif_hh_close_poll_thread(btif_hh_device_t * p_dev)205 static inline void btif_hh_close_poll_thread(btif_hh_device_t *p_dev)
206 {
207 APPL_TRACE_DEBUG("%s", __FUNCTION__);
208 p_dev->hh_keep_polling = 0;
209 if(p_dev->hh_poll_thread_id > 0)
210 pthread_join(p_dev->hh_poll_thread_id,NULL);
211
212 return;
213 }
214
bta_hh_co_destroy(int fd)215 void bta_hh_co_destroy(int fd)
216 {
217 struct uhid_event ev;
218 memset(&ev, 0, sizeof(ev));
219 ev.type = UHID_DESTROY;
220 uhid_write(fd, &ev);
221 APPL_TRACE_DEBUG("%s: Closing fd=%d", __func__, fd);
222 close(fd);
223 }
224
bta_hh_co_write(int fd,UINT8 * rpt,UINT16 len)225 int bta_hh_co_write(int fd, UINT8* rpt, UINT16 len)
226 {
227 APPL_TRACE_DEBUG("bta_hh_co_data: UHID write");
228 struct uhid_event ev;
229 memset(&ev, 0, sizeof(ev));
230 ev.type = UHID_INPUT;
231 ev.u.input.size = len;
232 if(len > sizeof(ev.u.input.data)){
233 APPL_TRACE_WARNING("%s: Report size greater than allowed size",
234 __FUNCTION__);
235 return -1;
236 }
237 memcpy(ev.u.input.data, rpt, len);
238 return uhid_write(fd, &ev);
239
240 }
241
242
243 /*******************************************************************************
244 **
245 ** Function bta_hh_co_open
246 **
247 ** Description When connection is opened, this call-out function is executed
248 ** by HH to do platform specific initialization.
249 **
250 ** Returns void.
251 *******************************************************************************/
bta_hh_co_open(UINT8 dev_handle,UINT8 sub_class,tBTA_HH_ATTR_MASK attr_mask,UINT8 app_id)252 void bta_hh_co_open(UINT8 dev_handle, UINT8 sub_class, tBTA_HH_ATTR_MASK attr_mask,
253 UINT8 app_id)
254 {
255 UINT32 i;
256 btif_hh_device_t *p_dev = NULL;
257
258 if (dev_handle == BTA_HH_INVALID_HANDLE) {
259 APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...",
260 __FUNCTION__, dev_handle);
261 return;
262 }
263
264 for (i = 0; i < BTIF_HH_MAX_HID; i++) {
265 p_dev = &btif_hh_cb.devices[i];
266 if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN &&
267 p_dev->dev_handle == dev_handle) {
268 // We found a device with the same handle. Must be a device reconnected.
269 APPL_TRACE_WARNING("%s: Found an existing device with the same handle "
270 "dev_status = %d",__FUNCTION__,
271 p_dev->dev_status);
272 APPL_TRACE_WARNING("%s: bd_addr = [%02X:%02X:%02X:%02X:%02X:]", __FUNCTION__,
273 p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], p_dev->bd_addr.address[2],
274 p_dev->bd_addr.address[3], p_dev->bd_addr.address[4]);
275 APPL_TRACE_WARNING("%s: attr_mask = 0x%04x, sub_class = 0x%02x, app_id = %d",
276 __FUNCTION__, p_dev->attr_mask, p_dev->sub_class, p_dev->app_id);
277
278 if(p_dev->fd<0) {
279 p_dev->fd = open(dev_path, O_RDWR | O_CLOEXEC);
280 if (p_dev->fd < 0){
281 APPL_TRACE_ERROR("%s: Error: failed to open uhid, err:%s",
282 __FUNCTION__,strerror(errno));
283 }else
284 APPL_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd);
285 }
286 p_dev->hh_keep_polling = 1;
287 p_dev->hh_poll_thread_id = create_thread(btif_hh_poll_event_thread, p_dev);
288 break;
289 }
290 p_dev = NULL;
291 }
292
293 if (p_dev == NULL) {
294 // Did not find a device reconnection case. Find an empty slot now.
295 for (i = 0; i < BTIF_HH_MAX_HID; i++) {
296 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_UNKNOWN) {
297 p_dev = &btif_hh_cb.devices[i];
298 p_dev->dev_handle = dev_handle;
299 p_dev->attr_mask = attr_mask;
300 p_dev->sub_class = sub_class;
301 p_dev->app_id = app_id;
302 p_dev->local_vup = FALSE;
303
304 btif_hh_cb.device_num++;
305 // This is a new device,open the uhid driver now.
306 p_dev->fd = open(dev_path, O_RDWR | O_CLOEXEC);
307 if (p_dev->fd < 0){
308 APPL_TRACE_ERROR("%s: Error: failed to open uhid, err:%s",
309 __FUNCTION__,strerror(errno));
310 }else{
311 APPL_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd);
312 p_dev->hh_keep_polling = 1;
313 p_dev->hh_poll_thread_id = create_thread(btif_hh_poll_event_thread, p_dev);
314 }
315
316
317 break;
318 }
319 }
320 }
321
322 if (p_dev == NULL) {
323 APPL_TRACE_ERROR("%s: Error: too many HID devices are connected", __FUNCTION__);
324 return;
325 }
326
327 p_dev->dev_status = BTHH_CONN_STATE_CONNECTED;
328 APPL_TRACE_DEBUG("%s: Return device status %d", __FUNCTION__, p_dev->dev_status);
329 }
330
331
332 /*******************************************************************************
333 **
334 ** Function bta_hh_co_close
335 **
336 ** Description When connection is closed, this call-out function is executed
337 ** by HH to do platform specific finalization.
338 **
339 ** Parameters dev_handle - device handle
340 ** app_id - application id
341 **
342 ** Returns void.
343 *******************************************************************************/
bta_hh_co_close(UINT8 dev_handle,UINT8 app_id)344 void bta_hh_co_close(UINT8 dev_handle, UINT8 app_id)
345 {
346 UINT32 i;
347 btif_hh_device_t *p_dev = NULL;
348
349 APPL_TRACE_WARNING("%s: dev_handle = %d, app_id = %d", __FUNCTION__, dev_handle, app_id);
350 if (dev_handle == BTA_HH_INVALID_HANDLE) {
351 APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __FUNCTION__, dev_handle);
352 return;
353 }
354
355 for (i = 0; i < BTIF_HH_MAX_HID; i++) {
356 p_dev = &btif_hh_cb.devices[i];
357 if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->dev_handle == dev_handle) {
358 APPL_TRACE_WARNING("%s: Found an existing device with the same handle "
359 "dev_status = %d, dev_handle =%d"
360 ,__FUNCTION__,p_dev->dev_status
361 ,p_dev->dev_handle);
362 btif_hh_close_poll_thread(p_dev);
363 break;
364 }
365 }
366 }
367
368
369 /*******************************************************************************
370 **
371 ** Function bta_hh_co_data
372 **
373 ** Description This function is executed by BTA when HID host receive a data
374 ** report.
375 **
376 ** Parameters dev_handle - device handle
377 ** *p_rpt - pointer to the report data
378 ** len - length of report data
379 ** mode - Hid host Protocol Mode
380 ** sub_clas - Device Subclass
381 ** app_id - application id
382 **
383 ** Returns void
384 *******************************************************************************/
bta_hh_co_data(UINT8 dev_handle,UINT8 * p_rpt,UINT16 len,tBTA_HH_PROTO_MODE mode,UINT8 sub_class,UINT8 ctry_code,BD_ADDR peer_addr,UINT8 app_id)385 void bta_hh_co_data(UINT8 dev_handle, UINT8 *p_rpt, UINT16 len, tBTA_HH_PROTO_MODE mode,
386 UINT8 sub_class, UINT8 ctry_code, BD_ADDR peer_addr, UINT8 app_id)
387 {
388 btif_hh_device_t *p_dev;
389 UNUSED(peer_addr);
390
391 APPL_TRACE_DEBUG("%s: dev_handle = %d, subclass = 0x%02X, mode = %d, "
392 "ctry_code = %d, app_id = %d",
393 __FUNCTION__, dev_handle, sub_class, mode, ctry_code, app_id);
394
395 p_dev = btif_hh_find_connected_dev_by_handle(dev_handle);
396 if (p_dev == NULL) {
397 APPL_TRACE_WARNING("%s: Error: unknown HID device handle %d", __FUNCTION__, dev_handle);
398 return;
399 }
400 // Send the HID report to the kernel.
401 if (p_dev->fd >= 0) {
402 bta_hh_co_write(p_dev->fd, p_rpt, len);
403 }else {
404 APPL_TRACE_WARNING("%s: Error: fd = %d, len = %d", __FUNCTION__, p_dev->fd, len);
405 }
406 }
407
408
409 /*******************************************************************************
410 **
411 ** Function bta_hh_co_send_hid_info
412 **
413 ** Description This function is called in btif_hh.c to process DSCP received.
414 **
415 ** Parameters dev_handle - device handle
416 ** dscp_len - report descriptor length
417 ** *p_dscp - report descriptor
418 **
419 ** Returns void
420 *******************************************************************************/
bta_hh_co_send_hid_info(btif_hh_device_t * p_dev,char * dev_name,UINT16 vendor_id,UINT16 product_id,UINT16 version,UINT8 ctry_code,int dscp_len,UINT8 * p_dscp)421 void bta_hh_co_send_hid_info(btif_hh_device_t *p_dev, char *dev_name, UINT16 vendor_id,
422 UINT16 product_id, UINT16 version, UINT8 ctry_code,
423 int dscp_len, UINT8 *p_dscp)
424 {
425 int result;
426 struct uhid_event ev;
427
428 if (p_dev->fd < 0) {
429 APPL_TRACE_WARNING("%s: Error: fd = %d, dscp_len = %d", __FUNCTION__, p_dev->fd, dscp_len);
430 return;
431 }
432
433 APPL_TRACE_WARNING("%s: fd = %d, name = [%s], dscp_len = %d", __FUNCTION__,
434 p_dev->fd, dev_name, dscp_len);
435 APPL_TRACE_WARNING("%s: vendor_id = 0x%04x, product_id = 0x%04x, version= 0x%04x,"
436 "ctry_code=0x%02x",__FUNCTION__,
437 vendor_id, product_id,
438 version, ctry_code);
439
440 //Create and send hid descriptor to kernel
441 memset(&ev, 0, sizeof(ev));
442 ev.type = UHID_CREATE;
443 strncpy((char*)ev.u.create.name, dev_name, sizeof(ev.u.create.name) - 1);
444 snprintf((char*)ev.u.create.uniq, sizeof(ev.u.create.uniq),
445 "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X",
446 p_dev->bd_addr.address[5], p_dev->bd_addr.address[4],
447 p_dev->bd_addr.address[3], p_dev->bd_addr.address[2],
448 p_dev->bd_addr.address[1], p_dev->bd_addr.address[0]);
449 ev.u.create.rd_size = dscp_len;
450 ev.u.create.rd_data = p_dscp;
451 ev.u.create.bus = BUS_BLUETOOTH;
452 ev.u.create.vendor = vendor_id;
453 ev.u.create.product = product_id;
454 ev.u.create.version = version;
455 ev.u.create.country = ctry_code;
456 result = uhid_write(p_dev->fd, &ev);
457
458 APPL_TRACE_WARNING("%s: fd = %d, dscp_len = %d, result = %d", __FUNCTION__,
459 p_dev->fd, dscp_len, result);
460
461 if (result) {
462 APPL_TRACE_WARNING("%s: Error: failed to send DSCP, result = %d", __FUNCTION__, result);
463
464 /* The HID report descriptor is corrupted. Close the driver. */
465 close(p_dev->fd);
466 p_dev->fd = -1;
467 }
468 }
469
470 #if (BLE_INCLUDED == TRUE && BTA_HH_LE_INCLUDED == TRUE)
471 /*******************************************************************************
472 **
473 ** Function bta_hh_le_co_rpt_info
474 **
475 ** Description This callout function is to convey the report information on
476 ** a HOGP device to the application. Application can save this
477 ** information in NV if device is bonded and load it back when
478 ** stack reboot.
479 **
480 ** Parameters remote_bda - remote device address
481 ** p_entry - report entry pointer
482 ** app_id - application id
483 **
484 ** Returns void.
485 **
486 *******************************************************************************/
bta_hh_le_co_rpt_info(BD_ADDR remote_bda,tBTA_HH_RPT_CACHE_ENTRY * p_entry,UINT8 app_id)487 void bta_hh_le_co_rpt_info(BD_ADDR remote_bda, tBTA_HH_RPT_CACHE_ENTRY *p_entry, UINT8 app_id)
488 {
489 UNUSED(app_id);
490
491 unsigned idx = 0;
492
493 bdstr_t bdstr;
494 sprintf(bdstr, "%02x:%02x:%02x:%02x:%02x:%02x",
495 remote_bda[0], remote_bda[1], remote_bda[2],
496 remote_bda[3], remote_bda[4], remote_bda[5]);
497
498 size_t len = btif_config_get_bin_length(bdstr, "HidReport");
499 if (len >= sizeof(tBTA_HH_RPT_CACHE_ENTRY) && len <= sizeof(sReportCache))
500 {
501 btif_config_get_bin(bdstr, "HidReport", (uint8_t *)sReportCache, &len);
502 idx = len / sizeof(tBTA_HH_RPT_CACHE_ENTRY);
503 }
504
505 if (idx < BTA_HH_NV_LOAD_MAX)
506 {
507 memcpy(&sReportCache[idx++], p_entry, sizeof(tBTA_HH_RPT_CACHE_ENTRY));
508 btif_config_set_bin(bdstr, "HidReport", (const uint8_t *)sReportCache,
509 idx * sizeof(tBTA_HH_RPT_CACHE_ENTRY));
510 BTIF_TRACE_DEBUG("%s() - Saving report; dev=%s, idx=%d", __FUNCTION__, bdstr, idx);
511 }
512 }
513
514
515 /*******************************************************************************
516 **
517 ** Function bta_hh_le_co_cache_load
518 **
519 ** Description This callout function is to request the application to load the
520 ** cached HOGP report if there is any. When cache reading is completed,
521 ** bta_hh_le_ci_cache_load() is called by the application.
522 **
523 ** Parameters remote_bda - remote device address
524 ** p_num_rpt: number of cached report
525 ** app_id - application id
526 **
527 ** Returns the acched report array
528 **
529 *******************************************************************************/
bta_hh_le_co_cache_load(BD_ADDR remote_bda,UINT8 * p_num_rpt,UINT8 app_id)530 tBTA_HH_RPT_CACHE_ENTRY * bta_hh_le_co_cache_load (BD_ADDR remote_bda,
531 UINT8 *p_num_rpt, UINT8 app_id)
532 {
533 UNUSED(app_id);
534
535 unsigned idx = 0;
536
537 bdstr_t bdstr;
538 sprintf(bdstr, "%02x:%02x:%02x:%02x:%02x:%02x",
539 remote_bda[0], remote_bda[1], remote_bda[2],
540 remote_bda[3], remote_bda[4], remote_bda[5]);
541
542 size_t len = btif_config_get_bin_length(bdstr, "HidReport");
543 if (!p_num_rpt && len < sizeof(tBTA_HH_RPT_CACHE_ENTRY))
544 return NULL;
545
546 if (len > sizeof(sReportCache))
547 len = sizeof(sReportCache);
548 btif_config_get_bin(bdstr, "HidReport", (uint8_t *)sReportCache, &len);
549 *p_num_rpt = len / sizeof(tBTA_HH_RPT_CACHE_ENTRY);
550
551 BTIF_TRACE_DEBUG("%s() - Loaded %d reports; dev=%s", __FUNCTION__, *p_num_rpt, bdstr);
552
553 return sReportCache;
554 }
555
556 /*******************************************************************************
557 **
558 ** Function bta_hh_le_co_reset_rpt_cache
559 **
560 ** Description This callout function is to reset the HOGP device cache.
561 **
562 ** Parameters remote_bda - remote device address
563 **
564 ** Returns none
565 **
566 *******************************************************************************/
bta_hh_le_co_reset_rpt_cache(BD_ADDR remote_bda,UINT8 app_id)567 void bta_hh_le_co_reset_rpt_cache (BD_ADDR remote_bda, UINT8 app_id)
568 {
569 UNUSED(app_id);
570
571 bdstr_t bdstr;
572 sprintf(bdstr, "%02x:%02x:%02x:%02x:%02x:%02x",
573 remote_bda[0], remote_bda[1], remote_bda[2],
574 remote_bda[3], remote_bda[4], remote_bda[5]);
575 btif_config_remove(bdstr, "HidReport");
576
577 BTIF_TRACE_DEBUG("%s() - Reset cache for bda %s", __FUNCTION__, bdstr);
578 }
579 #endif /* #if (BLE_INCLUDED == TRUE && BTA_HH_LE_INCLUDED == TRUE) */
580
581