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1 /******************************************************************************
2  *
3  *  Copyright (c) 2014 The Android Open Source Project
4  *  Copyright (C) 2009-2012 Broadcom Corporation
5  *
6  *  Licensed under the Apache License, Version 2.0 (the "License");
7  *  you may not use this file except in compliance with the License.
8  *  You may obtain a copy of the License at:
9  *
10  *  http://www.apache.org/licenses/LICENSE-2.0
11  *
12  *  Unless required by applicable law or agreed to in writing, software
13  *  distributed under the License is distributed on an "AS IS" BASIS,
14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  *  See the License for the specific language governing permissions and
16  *  limitations under the License.
17  *
18  ******************************************************************************/
19 
20 /************************************************************************************
21  *
22  *  Filename:      btif_util.c
23  *
24  *  Description:   Miscellaneous helper functions
25  *
26  *
27  ***********************************************************************************/
28 
29 #include <hardware/bluetooth.h>
30 #include <hardware/bt_hf.h>
31 #include <hardware/bt_av.h>
32 #include <netinet/in.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <ctype.h>
37 
38 
39 #define LOG_TAG "BTIF_UTIL"
40 #include "btif_common.h"
41 #include "bta_api.h"
42 #include "gki.h"
43 #include "btu.h"
44 #include "bte.h"
45 #include "bd.h"
46 #include "btif_dm.h"
47 #include "btif_util.h"
48 #include "bta_ag_api.h"
49 #include "bta_av_api.h"
50 #include "bta_hh_api.h"
51 #include "bta_hf_client_api.h"
52 #include "avrc_defs.h"
53 
54 
55 
56 /************************************************************************************
57 **  Constants & Macros
58 ************************************************************************************/
59 #define ISDIGIT(a)  ((a>='0') && (a<='9'))
60 #define ISXDIGIT(a) (((a>='0') && (a<='9'))||((a>='A') && (a<='F'))||((a>='a') && (a<='f')))
61 
62 /************************************************************************************
63 **  Local type definitions
64 ************************************************************************************/
65 
66 /************************************************************************************
67 **  Static variables
68 ************************************************************************************/
69 
70 /************************************************************************************
71 **  Static functions
72 ************************************************************************************/
73 
74 /************************************************************************************
75 **  Externs
76 ************************************************************************************/
77 
78 /************************************************************************************
79 **  Functions
80 ************************************************************************************/
81 
82 /*****************************************************************************
83 **   Logging helper functions
84 *****************************************************************************/
85 
str2bd(char * str,bt_bdaddr_t * addr)86 int str2bd(char *str, bt_bdaddr_t *addr)
87 {
88     int32_t i = 0;
89     for (i = 0; i < 6; i++) {
90        addr->address[i] = (uint8_t)strtoul(str, &str, 16);
91        str++;
92     }
93     return 0;
94 }
95 
bd2str(const bt_bdaddr_t * bdaddr,bdstr_t * bdstr)96 char *bd2str(const bt_bdaddr_t *bdaddr, bdstr_t *bdstr)
97 {
98     const uint8_t *addr = bdaddr->address;
99 
100     sprintf(*bdstr, "%02x:%02x:%02x:%02x:%02x:%02x",
101              addr[0], addr[1], addr[2],
102              addr[3], addr[4], addr[5]);
103     return *bdstr;
104 }
105 
devclass2uint(DEV_CLASS dev_class)106 UINT32 devclass2uint(DEV_CLASS dev_class)
107 {
108     UINT32 cod = 0;
109 
110     if(dev_class != NULL)
111     {
112         /* if COD is 0, irrespective of the device type set it to Unclassified device */
113         cod = (dev_class[2]) | (dev_class[1] << 8) | (dev_class[0] << 16);
114     }
115     return cod;
116 }
uint2devclass(UINT32 cod,DEV_CLASS dev_class)117 void uint2devclass(UINT32 cod, DEV_CLASS dev_class)
118 {
119     dev_class[2] = (UINT8)cod;
120     dev_class[1] = (UINT8)(cod >> 8);
121     dev_class[0] = (UINT8)(cod >> 16);
122 }
123 
124 static const UINT8  sdp_base_uuid[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
125                                        0x80, 0x00, 0x00, 0x80, 0x5F, 0x9B, 0x34, 0xFB};
126 
uuid16_to_uuid128(uint16_t uuid16,bt_uuid_t * uuid128)127 void uuid16_to_uuid128(uint16_t uuid16, bt_uuid_t* uuid128)
128 {
129     uint16_t uuid16_bo;
130     memset(uuid128, 0, sizeof(bt_uuid_t));
131 
132     memcpy(uuid128->uu, sdp_base_uuid, MAX_UUID_SIZE);
133     uuid16_bo = ntohs(uuid16);
134     memcpy(uuid128->uu + 2, &uuid16_bo, sizeof(uint16_t));
135 }
136 
string_to_uuid(char * str,bt_uuid_t * p_uuid)137 void string_to_uuid(char *str, bt_uuid_t *p_uuid)
138 {
139     uint32_t uuid0, uuid4;
140     uint16_t uuid1, uuid2, uuid3, uuid5;
141 
142     sscanf(str, "%08x-%04hx-%04hx-%04hx-%08x%04hx",
143                 &uuid0, &uuid1, &uuid2, &uuid3, &uuid4, &uuid5);
144 
145     uuid0 = htonl(uuid0);
146     uuid1 = htons(uuid1);
147     uuid2 = htons(uuid2);
148     uuid3 = htons(uuid3);
149     uuid4 = htonl(uuid4);
150     uuid5 = htons(uuid5);
151 
152     memcpy(&(p_uuid->uu[0]), &uuid0, 4);
153     memcpy(&(p_uuid->uu[4]), &uuid1, 2);
154     memcpy(&(p_uuid->uu[6]), &uuid2, 2);
155     memcpy(&(p_uuid->uu[8]), &uuid3, 2);
156     memcpy(&(p_uuid->uu[10]), &uuid4, 4);
157     memcpy(&(p_uuid->uu[14]), &uuid5, 2);
158 
159     return;
160 
161 }
162 
uuid_to_string(bt_uuid_t * p_uuid,char * str)163 void uuid_to_string(bt_uuid_t *p_uuid, char *str)
164 {
165     uint32_t uuid0, uuid4;
166     uint16_t uuid1, uuid2, uuid3, uuid5;
167 
168     memcpy(&uuid0, &(p_uuid->uu[0]), 4);
169     memcpy(&uuid1, &(p_uuid->uu[4]), 2);
170     memcpy(&uuid2, &(p_uuid->uu[6]), 2);
171     memcpy(&uuid3, &(p_uuid->uu[8]), 2);
172     memcpy(&uuid4, &(p_uuid->uu[10]), 4);
173     memcpy(&uuid5, &(p_uuid->uu[14]), 2);
174 
175     sprintf((char *)str, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x",
176             ntohl(uuid0), ntohs(uuid1),
177             ntohs(uuid2), ntohs(uuid3),
178             ntohl(uuid4), ntohs(uuid5));
179     return;
180 }
181 
182 /*****************************************************************************
183 **  Function        ascii_2_hex
184 **
185 **  Description     This function converts an ASCII string into HEX
186 **
187 **  Returns         the number of hex bytes filled.
188 */
ascii_2_hex(char * p_ascii,int len,UINT8 * p_hex)189 int ascii_2_hex (char *p_ascii, int len, UINT8 *p_hex)
190 {
191     int     x;
192     UINT8   c;
193 
194     for (x = 0; (x < len) && (*p_ascii); x++)
195     {
196         if (ISDIGIT (*p_ascii))
197             c = (*p_ascii - '0') << 4;
198         else
199             c = (toupper(*p_ascii) - 'A' + 10) << 4;
200 
201         p_ascii++;
202         if (*p_ascii)
203         {
204             if (ISDIGIT (*p_ascii))
205                 c |= (*p_ascii - '0');
206             else
207                 c |= (toupper(*p_ascii) - 'A' + 10);
208 
209             p_ascii++;
210         }
211         *p_hex++ = c;
212     }
213 
214     return (x);
215 }
216 
217 
dump_dm_search_event(UINT16 event)218 const char* dump_dm_search_event(UINT16 event)
219 {
220     switch(event)
221     {
222         CASE_RETURN_STR(BTA_DM_INQ_RES_EVT)
223         CASE_RETURN_STR(BTA_DM_INQ_CMPL_EVT)
224         CASE_RETURN_STR(BTA_DM_DISC_RES_EVT)
225         CASE_RETURN_STR(BTA_DM_DISC_BLE_RES_EVT)
226         CASE_RETURN_STR(BTA_DM_DISC_CMPL_EVT)
227         CASE_RETURN_STR(BTA_DM_DI_DISC_CMPL_EVT)
228         CASE_RETURN_STR(BTA_DM_SEARCH_CANCEL_CMPL_EVT)
229 
230         default:
231             return "UNKNOWN MSG ID";
232      }
233 }
234 
235 
dump_property_type(bt_property_type_t type)236 const char* dump_property_type(bt_property_type_t type)
237 {
238     switch(type)
239     {
240         CASE_RETURN_STR(BT_PROPERTY_BDNAME)
241         CASE_RETURN_STR(BT_PROPERTY_BDADDR)
242         CASE_RETURN_STR(BT_PROPERTY_UUIDS)
243         CASE_RETURN_STR(BT_PROPERTY_CLASS_OF_DEVICE)
244         CASE_RETURN_STR(BT_PROPERTY_TYPE_OF_DEVICE)
245         CASE_RETURN_STR(BT_PROPERTY_REMOTE_RSSI)
246         CASE_RETURN_STR(BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT)
247         CASE_RETURN_STR(BT_PROPERTY_ADAPTER_BONDED_DEVICES)
248         CASE_RETURN_STR(BT_PROPERTY_ADAPTER_SCAN_MODE)
249         CASE_RETURN_STR(BT_PROPERTY_REMOTE_FRIENDLY_NAME)
250 
251         default:
252             return "UNKNOWN PROPERTY ID";
253     }
254 }
255 
dump_dm_event(UINT16 event)256 const char* dump_dm_event(UINT16 event)
257 {
258     switch(event)
259     {
260         CASE_RETURN_STR(BTA_DM_ENABLE_EVT)
261         CASE_RETURN_STR(BTA_DM_DISABLE_EVT)
262         CASE_RETURN_STR(BTA_DM_PIN_REQ_EVT)
263         CASE_RETURN_STR(BTA_DM_AUTH_CMPL_EVT)
264         CASE_RETURN_STR(BTA_DM_AUTHORIZE_EVT)
265         CASE_RETURN_STR(BTA_DM_LINK_UP_EVT)
266         CASE_RETURN_STR(BTA_DM_LINK_DOWN_EVT)
267         CASE_RETURN_STR(BTA_DM_SIG_STRENGTH_EVT)
268         CASE_RETURN_STR(BTA_DM_BUSY_LEVEL_EVT)
269         CASE_RETURN_STR(BTA_DM_BOND_CANCEL_CMPL_EVT)
270         CASE_RETURN_STR(BTA_DM_SP_CFM_REQ_EVT)
271         CASE_RETURN_STR(BTA_DM_SP_KEY_NOTIF_EVT)
272         CASE_RETURN_STR(BTA_DM_SP_RMT_OOB_EVT)
273         CASE_RETURN_STR(BTA_DM_SP_KEYPRESS_EVT)
274         CASE_RETURN_STR(BTA_DM_ROLE_CHG_EVT)
275         CASE_RETURN_STR(BTA_DM_BLE_KEY_EVT)
276         CASE_RETURN_STR(BTA_DM_BLE_SEC_REQ_EVT)
277         CASE_RETURN_STR(BTA_DM_BLE_PASSKEY_NOTIF_EVT)
278         CASE_RETURN_STR(BTA_DM_BLE_PASSKEY_REQ_EVT)
279         CASE_RETURN_STR(BTA_DM_BLE_OOB_REQ_EVT)
280         CASE_RETURN_STR(BTA_DM_BLE_LOCAL_IR_EVT)
281         CASE_RETURN_STR(BTA_DM_BLE_LOCAL_ER_EVT)
282         CASE_RETURN_STR(BTA_DM_BLE_AUTH_CMPL_EVT)
283         CASE_RETURN_STR(BTA_DM_DEV_UNPAIRED_EVT)
284         CASE_RETURN_STR(BTA_DM_HW_ERROR_EVT)
285         CASE_RETURN_STR(BTA_DM_ENER_INFO_READ)
286 
287         default:
288             return "UNKNOWN DM EVENT";
289     }
290 }
291 
dump_hf_event(UINT16 event)292 const char* dump_hf_event(UINT16 event)
293 {
294     switch(event)
295     {
296         CASE_RETURN_STR(BTA_AG_ENABLE_EVT)
297         CASE_RETURN_STR(BTA_AG_REGISTER_EVT)
298         CASE_RETURN_STR(BTA_AG_OPEN_EVT)
299         CASE_RETURN_STR(BTA_AG_CLOSE_EVT)
300         CASE_RETURN_STR(BTA_AG_CONN_EVT)
301         CASE_RETURN_STR(BTA_AG_AUDIO_OPEN_EVT)
302         CASE_RETURN_STR(BTA_AG_AUDIO_CLOSE_EVT)
303         CASE_RETURN_STR(BTA_AG_SPK_EVT)
304         CASE_RETURN_STR(BTA_AG_MIC_EVT)
305         CASE_RETURN_STR(BTA_AG_AT_CKPD_EVT)
306         CASE_RETURN_STR(BTA_AG_DISABLE_EVT)
307 #if (BTM_WBS_INCLUDED == TRUE )
308         CASE_RETURN_STR(BTA_AG_WBS_EVT)
309 #endif
310         CASE_RETURN_STR(BTA_AG_AT_A_EVT)
311         CASE_RETURN_STR(BTA_AG_AT_D_EVT)
312         CASE_RETURN_STR(BTA_AG_AT_CHLD_EVT)
313         CASE_RETURN_STR(BTA_AG_AT_CHUP_EVT)
314         CASE_RETURN_STR(BTA_AG_AT_CIND_EVT)
315         CASE_RETURN_STR(BTA_AG_AT_VTS_EVT)
316         CASE_RETURN_STR(BTA_AG_AT_BINP_EVT)
317         CASE_RETURN_STR(BTA_AG_AT_BLDN_EVT)
318         CASE_RETURN_STR(BTA_AG_AT_BVRA_EVT)
319         CASE_RETURN_STR(BTA_AG_AT_NREC_EVT)
320         CASE_RETURN_STR(BTA_AG_AT_CNUM_EVT)
321         CASE_RETURN_STR(BTA_AG_AT_BTRH_EVT)
322         CASE_RETURN_STR(BTA_AG_AT_CLCC_EVT)
323         CASE_RETURN_STR(BTA_AG_AT_COPS_EVT)
324         CASE_RETURN_STR(BTA_AG_AT_UNAT_EVT)
325         CASE_RETURN_STR(BTA_AG_AT_CBC_EVT)
326         CASE_RETURN_STR(BTA_AG_AT_BAC_EVT)
327         CASE_RETURN_STR(BTA_AG_AT_BCS_EVT)
328 
329         default:
330             return "UNKNOWN MSG ID";
331      }
332 }
333 
dump_hf_client_event(UINT16 event)334 const char* dump_hf_client_event(UINT16 event)
335 {
336     switch(event)
337     {
338         CASE_RETURN_STR(BTA_HF_CLIENT_ENABLE_EVT)
339         CASE_RETURN_STR(BTA_HF_CLIENT_REGISTER_EVT)
340         CASE_RETURN_STR(BTA_HF_CLIENT_OPEN_EVT)
341         CASE_RETURN_STR(BTA_HF_CLIENT_CLOSE_EVT)
342         CASE_RETURN_STR(BTA_HF_CLIENT_CONN_EVT)
343         CASE_RETURN_STR(BTA_HF_CLIENT_AUDIO_OPEN_EVT)
344         CASE_RETURN_STR(BTA_HF_CLIENT_AUDIO_MSBC_OPEN_EVT)
345         CASE_RETURN_STR(BTA_HF_CLIENT_AUDIO_CLOSE_EVT)
346         CASE_RETURN_STR(BTA_HF_CLIENT_SPK_EVT)
347         CASE_RETURN_STR(BTA_HF_CLIENT_MIC_EVT)
348         CASE_RETURN_STR(BTA_HF_CLIENT_DISABLE_EVT)
349         CASE_RETURN_STR(BTA_HF_CLIENT_IND_EVT)
350         CASE_RETURN_STR(BTA_HF_CLIENT_VOICE_REC_EVT)
351         CASE_RETURN_STR(BTA_HF_CLIENT_OPERATOR_NAME_EVT)
352         CASE_RETURN_STR(BTA_HF_CLIENT_CLIP_EVT)
353         CASE_RETURN_STR(BTA_HF_CLIENT_CCWA_EVT)
354         CASE_RETURN_STR(BTA_HF_CLIENT_AT_RESULT_EVT)
355         CASE_RETURN_STR(BTA_HF_CLIENT_CLCC_EVT)
356         CASE_RETURN_STR(BTA_HF_CLIENT_CNUM_EVT)
357         CASE_RETURN_STR(BTA_HF_CLIENT_BTRH_EVT)
358         CASE_RETURN_STR(BTA_HF_CLIENT_BSIR_EVT)
359         CASE_RETURN_STR(BTA_HF_CLIENT_BINP_EVT)
360         CASE_RETURN_STR(BTA_HF_CLIENT_RING_INDICATION)
361         default:
362             return "UNKNOWN MSG ID";
363      }
364 }
365 
dump_hh_event(UINT16 event)366 const char* dump_hh_event(UINT16 event)
367 {
368     switch(event)
369     {
370         CASE_RETURN_STR(BTA_HH_ENABLE_EVT)
371         CASE_RETURN_STR(BTA_HH_DISABLE_EVT)
372         CASE_RETURN_STR(BTA_HH_OPEN_EVT)
373         CASE_RETURN_STR(BTA_HH_CLOSE_EVT)
374         CASE_RETURN_STR(BTA_HH_GET_DSCP_EVT)
375         CASE_RETURN_STR(BTA_HH_GET_PROTO_EVT)
376         CASE_RETURN_STR(BTA_HH_GET_RPT_EVT)
377         CASE_RETURN_STR(BTA_HH_GET_IDLE_EVT)
378         CASE_RETURN_STR(BTA_HH_SET_PROTO_EVT)
379         CASE_RETURN_STR(BTA_HH_SET_RPT_EVT)
380         CASE_RETURN_STR(BTA_HH_SET_IDLE_EVT)
381         CASE_RETURN_STR(BTA_HH_VC_UNPLUG_EVT)
382         CASE_RETURN_STR(BTA_HH_ADD_DEV_EVT)
383         CASE_RETURN_STR(BTA_HH_RMV_DEV_EVT)
384         CASE_RETURN_STR(BTA_HH_API_ERR_EVT)
385         default:
386             return "UNKNOWN MSG ID";
387      }
388 }
389 
390 
dump_hf_conn_state(UINT16 event)391 const char* dump_hf_conn_state(UINT16 event)
392 {
393     switch(event)
394     {
395         CASE_RETURN_STR(BTHF_CONNECTION_STATE_DISCONNECTED)
396         CASE_RETURN_STR(BTHF_CONNECTION_STATE_CONNECTING)
397         CASE_RETURN_STR(BTHF_CONNECTION_STATE_CONNECTED)
398         CASE_RETURN_STR(BTHF_CONNECTION_STATE_SLC_CONNECTED)
399         CASE_RETURN_STR(BTHF_CONNECTION_STATE_DISCONNECTING)
400         default:
401             return "UNKNOWN MSG ID";
402     }
403 }
404 
dump_hf_call_state(bthf_call_state_t call_state)405 const char* dump_hf_call_state(bthf_call_state_t call_state)
406 {
407     switch(call_state)
408     {
409         CASE_RETURN_STR(BTHF_CALL_STATE_IDLE)
410         CASE_RETURN_STR(BTHF_CALL_STATE_HELD)
411         CASE_RETURN_STR(BTHF_CALL_STATE_DIALING)
412         CASE_RETURN_STR(BTHF_CALL_STATE_ALERTING)
413         CASE_RETURN_STR(BTHF_CALL_STATE_INCOMING)
414         CASE_RETURN_STR(BTHF_CALL_STATE_WAITING)
415         CASE_RETURN_STR(BTHF_CALL_STATE_ACTIVE)
416         default:
417             return "UNKNOWN CALL STATE";
418     }
419 }
420 
dump_thread_evt(bt_cb_thread_evt evt)421 const char* dump_thread_evt(bt_cb_thread_evt evt)
422 {
423     switch(evt)
424     {
425         CASE_RETURN_STR(ASSOCIATE_JVM)
426         CASE_RETURN_STR(DISASSOCIATE_JVM)
427 
428         default:
429             return "unknown thread evt";
430     }
431 }
432 
433 
dump_hf_audio_state(UINT16 event)434 const char* dump_hf_audio_state(UINT16 event)
435 {
436     switch(event)
437     {
438         CASE_RETURN_STR(BTHF_AUDIO_STATE_DISCONNECTED)
439         CASE_RETURN_STR(BTHF_AUDIO_STATE_CONNECTING)
440         CASE_RETURN_STR(BTHF_AUDIO_STATE_CONNECTED)
441         CASE_RETURN_STR(BTHF_AUDIO_STATE_DISCONNECTING)
442         default:
443            return "UNKNOWN MSG ID";
444 
445     }
446 }
447 
dump_av_conn_state(UINT16 event)448 const char* dump_av_conn_state(UINT16 event)
449 {
450     switch(event)
451     {
452         CASE_RETURN_STR(BTAV_CONNECTION_STATE_DISCONNECTED)
453         CASE_RETURN_STR(BTAV_CONNECTION_STATE_CONNECTING)
454         CASE_RETURN_STR(BTAV_CONNECTION_STATE_CONNECTED)
455         CASE_RETURN_STR(BTAV_CONNECTION_STATE_DISCONNECTING)
456         default:
457             return "UNKNOWN MSG ID";
458     }
459 }
460 
dump_av_audio_state(UINT16 event)461 const char* dump_av_audio_state(UINT16 event)
462 {
463     switch(event)
464     {
465         CASE_RETURN_STR(BTAV_AUDIO_STATE_REMOTE_SUSPEND)
466         CASE_RETURN_STR(BTAV_AUDIO_STATE_STOPPED)
467         CASE_RETURN_STR(BTAV_AUDIO_STATE_STARTED)
468         default:
469             return "UNKNOWN MSG ID";
470     }
471 }
472 
dump_adapter_scan_mode(bt_scan_mode_t mode)473 const char* dump_adapter_scan_mode(bt_scan_mode_t mode)
474 {
475     switch(mode)
476     {
477         CASE_RETURN_STR(BT_SCAN_MODE_NONE)
478         CASE_RETURN_STR(BT_SCAN_MODE_CONNECTABLE)
479         CASE_RETURN_STR(BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE)
480 
481         default:
482             return "unknown scan mode";
483     }
484 }
485 
dump_bt_status(bt_status_t status)486 const char* dump_bt_status(bt_status_t status)
487 {
488     switch(status)
489     {
490         CASE_RETURN_STR(BT_STATUS_SUCCESS)
491         CASE_RETURN_STR(BT_STATUS_FAIL)
492         CASE_RETURN_STR(BT_STATUS_NOT_READY)
493         CASE_RETURN_STR(BT_STATUS_NOMEM)
494         CASE_RETURN_STR(BT_STATUS_BUSY)
495         CASE_RETURN_STR(BT_STATUS_UNSUPPORTED)
496 
497         default:
498             return "unknown scan mode";
499     }
500 }
501 
dump_rc_event(UINT8 event)502 const char *dump_rc_event(UINT8 event)
503 {
504    switch(event) {
505         CASE_RETURN_STR(BTA_AV_RC_OPEN_EVT)
506         CASE_RETURN_STR(BTA_AV_RC_CLOSE_EVT)
507         CASE_RETURN_STR(BTA_AV_REMOTE_CMD_EVT)
508         CASE_RETURN_STR(BTA_AV_REMOTE_RSP_EVT)
509         CASE_RETURN_STR(BTA_AV_VENDOR_CMD_EVT)
510         CASE_RETURN_STR(BTA_AV_VENDOR_RSP_EVT)
511         CASE_RETURN_STR(BTA_AV_META_MSG_EVT)
512         CASE_RETURN_STR(BTA_AV_RC_FEAT_EVT)
513         default:
514             return "UNKNOWN_EVENT";
515    }
516 }
517 
dump_rc_notification_event_id(UINT8 event_id)518 const char * dump_rc_notification_event_id(UINT8 event_id)
519 {
520     switch(event_id)
521     {
522         CASE_RETURN_STR(AVRC_EVT_PLAY_STATUS_CHANGE)
523         CASE_RETURN_STR(AVRC_EVT_TRACK_CHANGE)
524         CASE_RETURN_STR(AVRC_EVT_TRACK_REACHED_END)
525         CASE_RETURN_STR(AVRC_EVT_TRACK_REACHED_START)
526         CASE_RETURN_STR(AVRC_EVT_PLAY_POS_CHANGED)
527         CASE_RETURN_STR(AVRC_EVT_BATTERY_STATUS_CHANGE)
528         CASE_RETURN_STR(AVRC_EVT_SYSTEM_STATUS_CHANGE)
529         CASE_RETURN_STR(AVRC_EVT_APP_SETTING_CHANGE)
530         CASE_RETURN_STR(AVRC_EVT_VOLUME_CHANGE)
531 
532         default:
533             return "Unhandled Event ID";
534     }
535 }
536 
dump_rc_pdu(UINT8 pdu)537 const char*  dump_rc_pdu(UINT8 pdu)
538 {
539     switch(pdu)
540     {
541         CASE_RETURN_STR(AVRC_PDU_LIST_PLAYER_APP_ATTR)
542         CASE_RETURN_STR(AVRC_PDU_LIST_PLAYER_APP_VALUES)
543         CASE_RETURN_STR(AVRC_PDU_GET_CUR_PLAYER_APP_VALUE)
544         CASE_RETURN_STR(AVRC_PDU_SET_PLAYER_APP_VALUE)
545         CASE_RETURN_STR(AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT)
546         CASE_RETURN_STR(AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT)
547         CASE_RETURN_STR(AVRC_PDU_INFORM_DISPLAY_CHARSET)
548         CASE_RETURN_STR(AVRC_PDU_INFORM_BATTERY_STAT_OF_CT)
549         CASE_RETURN_STR(AVRC_PDU_GET_ELEMENT_ATTR)
550         CASE_RETURN_STR(AVRC_PDU_GET_PLAY_STATUS)
551         CASE_RETURN_STR(AVRC_PDU_REGISTER_NOTIFICATION)
552         CASE_RETURN_STR(AVRC_PDU_REQUEST_CONTINUATION_RSP)
553         CASE_RETURN_STR(AVRC_PDU_ABORT_CONTINUATION_RSP)
554         CASE_RETURN_STR(AVRC_PDU_SET_ABSOLUTE_VOLUME)
555         default:
556             return "Unknown PDU";
557     }
558 }
559 
560 
561