1 /*
2 * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 /************************************************************************************
8 *
9 * Filename: btc_util.c
10 *
11 * Description: Miscellaneous helper functions
12 *
13 *
14 ***********************************************************************************/
15
16 #include <stdio.h>
17 #include <stdlib.h>
18 #include <string.h>
19 #include <ctype.h>
20
21 #include "btc/btc_util.h"
22 #if (BTA_AV_INCLUDED == TRUE)
23 #include "bta/bta_av_api.h"
24 #endif ///BTA_AV_INCLUDED == TRUE
25
26 #if (BTA_AG_INCLUDED == TRUE)
27 #include "bta/bta_ag_api.h"
28 #endif ///BTA_AG_INCLUDED == TRUE
29
30 #if (BTA_HH_INCLUDED == TRUE)
31 #include "bta/bta_hh_api.h"
32 #endif ///BTA_HH_INCLUDED == TRUE
33 #include "bta/bta_hd_api.h"
34 #include "common/bt_defs.h"
35 #include "stack/btm_api.h"
36 #include "bta/bta_api.h"
37
38 /************************************************************************************
39 ** Constants & Macros
40 ************************************************************************************/
41 #define ISDIGIT(a) ((a>='0') && (a<='9'))
42 #define ISXDIGIT(a) (((a>='0') && (a<='9'))||((a>='A') && (a<='F'))||((a>='a') && (a<='f')))
43
44 /************************************************************************************
45 ** Local type definitions
46 ************************************************************************************/
47
48 /************************************************************************************
49 ** Static variables
50 ************************************************************************************/
51
52 /************************************************************************************
53 ** Static functions
54 ************************************************************************************/
55
56 /************************************************************************************
57 ** Externs
58 ************************************************************************************/
59
60 /************************************************************************************
61 ** Functions
62 ************************************************************************************/
63
64 /*****************************************************************************
65 ** Logging helper functions
66 *****************************************************************************/
67 #if(BTA_AV_INCLUDED == TRUE)
dump_rc_event(UINT8 event)68 const char *dump_rc_event(UINT8 event)
69 {
70 switch (event) {
71 CASE_RETURN_STR(BTA_AV_RC_OPEN_EVT)
72 CASE_RETURN_STR(BTA_AV_RC_CLOSE_EVT)
73 CASE_RETURN_STR(BTA_AV_REMOTE_CMD_EVT)
74 CASE_RETURN_STR(BTA_AV_REMOTE_RSP_EVT)
75 CASE_RETURN_STR(BTA_AV_VENDOR_CMD_EVT)
76 CASE_RETURN_STR(BTA_AV_VENDOR_RSP_EVT)
77 CASE_RETURN_STR(BTA_AV_META_MSG_EVT)
78 CASE_RETURN_STR(BTA_AV_RC_FEAT_EVT)
79 default:
80 return "UNKNOWN_EVENT";
81 }
82 }
83
dump_rc_notification_event_id(UINT8 event_id)84 const char *dump_rc_notification_event_id(UINT8 event_id)
85 {
86 switch (event_id) {
87 CASE_RETURN_STR(AVRC_EVT_PLAY_STATUS_CHANGE)
88 CASE_RETURN_STR(AVRC_EVT_TRACK_CHANGE)
89 CASE_RETURN_STR(AVRC_EVT_TRACK_REACHED_END)
90 CASE_RETURN_STR(AVRC_EVT_TRACK_REACHED_START)
91 CASE_RETURN_STR(AVRC_EVT_PLAY_POS_CHANGED)
92 CASE_RETURN_STR(AVRC_EVT_BATTERY_STATUS_CHANGE)
93 CASE_RETURN_STR(AVRC_EVT_SYSTEM_STATUS_CHANGE)
94 CASE_RETURN_STR(AVRC_EVT_APP_SETTING_CHANGE)
95 CASE_RETURN_STR(AVRC_EVT_VOLUME_CHANGE)
96
97 default:
98 return "Unhandled Event ID";
99 }
100 }
101
dump_rc_pdu(UINT8 pdu)102 const char *dump_rc_pdu(UINT8 pdu)
103 {
104 switch (pdu) {
105 CASE_RETURN_STR(AVRC_PDU_LIST_PLAYER_APP_ATTR)
106 CASE_RETURN_STR(AVRC_PDU_LIST_PLAYER_APP_VALUES)
107 CASE_RETURN_STR(AVRC_PDU_GET_CUR_PLAYER_APP_VALUE)
108 CASE_RETURN_STR(AVRC_PDU_SET_PLAYER_APP_VALUE)
109 CASE_RETURN_STR(AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT)
110 CASE_RETURN_STR(AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT)
111 CASE_RETURN_STR(AVRC_PDU_INFORM_DISPLAY_CHARSET)
112 CASE_RETURN_STR(AVRC_PDU_INFORM_BATTERY_STAT_OF_CT)
113 CASE_RETURN_STR(AVRC_PDU_GET_ELEMENT_ATTR)
114 CASE_RETURN_STR(AVRC_PDU_GET_PLAY_STATUS)
115 CASE_RETURN_STR(AVRC_PDU_REGISTER_NOTIFICATION)
116 CASE_RETURN_STR(AVRC_PDU_REQUEST_CONTINUATION_RSP)
117 CASE_RETURN_STR(AVRC_PDU_ABORT_CONTINUATION_RSP)
118 CASE_RETURN_STR(AVRC_PDU_SET_ABSOLUTE_VOLUME)
119 default:
120 return "Unknown PDU";
121 }
122 }
123 #endif ///BTA_AV_INCLUDED == TRUE
124
125 #if (BTA_AG_INCLUDED == TRUE)
dump_hf_conn_state(UINT16 event)126 const char* dump_hf_conn_state(UINT16 event)
127 {
128 switch(event)
129 {
130 CASE_RETURN_STR(ESP_HF_CONNECTION_STATE_DISCONNECTED)
131 CASE_RETURN_STR(ESP_HF_CONNECTION_STATE_CONNECTING)
132 CASE_RETURN_STR(ESP_HF_CONNECTION_STATE_CONNECTED)
133 CASE_RETURN_STR(ESP_HF_CONNECTION_STATE_SLC_CONNECTED)
134 CASE_RETURN_STR(ESP_HF_CONNECTION_STATE_DISCONNECTING)
135 default:
136 return "UNKNOWN MSG ID";
137 }
138 }
139
dump_hf_event(UINT16 event)140 const char* dump_hf_event(UINT16 event)
141 {
142 switch(event)
143 {
144 CASE_RETURN_STR(BTA_AG_ENABLE_EVT)
145 CASE_RETURN_STR(BTA_AG_REGISTER_EVT)
146 CASE_RETURN_STR(BTA_AG_OPEN_EVT)
147 CASE_RETURN_STR(BTA_AG_CLOSE_EVT)
148 CASE_RETURN_STR(BTA_AG_CONN_EVT)
149 CASE_RETURN_STR(BTA_AG_AUDIO_OPEN_EVT)
150 CASE_RETURN_STR(BTA_AG_AUDIO_CLOSE_EVT)
151 CASE_RETURN_STR(BTA_AG_SPK_EVT)
152 CASE_RETURN_STR(BTA_AG_MIC_EVT)
153 CASE_RETURN_STR(BTA_AG_AT_CKPD_EVT)
154 CASE_RETURN_STR(BTA_AG_DISABLE_EVT)
155 #if (BTM_WBS_INCLUDED == TRUE)
156 CASE_RETURN_STR(BTA_AG_WBS_EVT)
157 #endif
158 CASE_RETURN_STR(BTA_AG_AT_A_EVT)
159 CASE_RETURN_STR(BTA_AG_AT_D_EVT)
160 CASE_RETURN_STR(BTA_AG_AT_CHLD_EVT)
161 CASE_RETURN_STR(BTA_AG_AT_CHUP_EVT)
162 CASE_RETURN_STR(BTA_AG_AT_CIND_EVT)
163 CASE_RETURN_STR(BTA_AG_AT_VTS_EVT)
164 CASE_RETURN_STR(BTA_AG_AT_BINP_EVT)
165 CASE_RETURN_STR(BTA_AG_AT_BLDN_EVT)
166 CASE_RETURN_STR(BTA_AG_AT_BVRA_EVT)
167 CASE_RETURN_STR(BTA_AG_AT_NREC_EVT)
168 CASE_RETURN_STR(BTA_AG_AT_CNUM_EVT)
169 CASE_RETURN_STR(BTA_AG_AT_BTRH_EVT)
170 CASE_RETURN_STR(BTA_AG_AT_CLCC_EVT)
171 CASE_RETURN_STR(BTA_AG_AT_COPS_EVT)
172 CASE_RETURN_STR(BTA_AG_AT_UNAT_EVT)
173 CASE_RETURN_STR(BTA_AG_AT_CBC_EVT)
174 CASE_RETURN_STR(BTA_AG_AT_BAC_EVT)
175 CASE_RETURN_STR(BTA_AG_AT_BCS_EVT)
176
177 default:
178 return "UNKNOWN MSG ID";
179 }
180 }
181
dump_hf_call_state(esp_hf_call_status_t call_state)182 const char* dump_hf_call_state(esp_hf_call_status_t call_state)
183 {
184 switch(call_state)
185 {
186 CASE_RETURN_STR(ESP_HF_CALL_STATUS_NO_CALLS)
187 CASE_RETURN_STR(ESP_HF_CALL_STATUS_CALL_IN_PROGRESS)
188 default:
189 return "UNKNOWN CALL STATE";
190 }
191 }
192
dump_hf_call_setup_state(esp_hf_call_setup_status_t call_setup_state)193 const char* dump_hf_call_setup_state(esp_hf_call_setup_status_t call_setup_state)
194 {
195 switch(call_setup_state)
196 {
197 CASE_RETURN_STR(ESP_HF_CALL_SETUP_STATUS_IDLE)
198 CASE_RETURN_STR(ESP_HF_CALL_SETUP_STATUS_INCOMING)
199 CASE_RETURN_STR(ESP_HF_CALL_SETUP_STATUS_OUTGOING_DIALING)
200 CASE_RETURN_STR(ESP_HF_CALL_SETUP_STATUS_OUTGOING_ALERTING)
201 default:
202 return "UNKNOWN CALL SETUP STATE";
203 }
204 }
205
206 #endif // #if (BTA_AG_INCLUDED == TRUE)
207
208 #if (BTA_HH_INCLUDED == TRUE)
dump_hh_event(uint16_t event)209 const char *dump_hh_event(uint16_t event)
210 {
211 switch (event) {
212 CASE_RETURN_STR(BTA_HH_ENABLE_EVT)
213 CASE_RETURN_STR(BTA_HH_DISABLE_EVT)
214 CASE_RETURN_STR(BTA_HH_OPEN_EVT)
215 CASE_RETURN_STR(BTA_HH_CLOSE_EVT)
216 CASE_RETURN_STR(BTA_HH_GET_RPT_EVT)
217 CASE_RETURN_STR(BTA_HH_SET_RPT_EVT)
218 CASE_RETURN_STR(BTA_HH_GET_PROTO_EVT)
219 CASE_RETURN_STR(BTA_HH_SET_PROTO_EVT)
220 CASE_RETURN_STR(BTA_HH_GET_IDLE_EVT)
221 CASE_RETURN_STR(BTA_HH_SET_IDLE_EVT)
222 CASE_RETURN_STR(BTA_HH_GET_DSCP_EVT)
223 CASE_RETURN_STR(BTA_HH_ADD_DEV_EVT)
224 CASE_RETURN_STR(BTA_HH_RMV_DEV_EVT)
225 CASE_RETURN_STR(BTA_HH_VC_UNPLUG_EVT)
226 CASE_RETURN_STR(BTA_HH_DATA_EVT)
227 CASE_RETURN_STR(BTA_HH_API_ERR_EVT)
228 CASE_RETURN_STR(BTA_HH_UPDATE_SCPP_EVT)
229 CASE_RETURN_STR(BTA_HH_DATA_IND_EVT)
230 default:
231 return "UNKNOWN MSG ID";
232 }
233 }
234 #endif ///BTA_HH_INCLUDED
235
236 #if BTA_HD_INCLUDED == TRUE
dump_hd_event(uint16_t event)237 const char* dump_hd_event(uint16_t event) {
238 switch (event) {
239 CASE_RETURN_STR(BTA_HD_ENABLE_EVT)
240 CASE_RETURN_STR(BTA_HD_DISABLE_EVT)
241 CASE_RETURN_STR(BTA_HD_REGISTER_APP_EVT)
242 CASE_RETURN_STR(BTA_HD_UNREGISTER_APP_EVT)
243 CASE_RETURN_STR(BTA_HD_OPEN_EVT)
244 CASE_RETURN_STR(BTA_HD_CLOSE_EVT)
245 CASE_RETURN_STR(BTA_HD_GET_REPORT_EVT)
246 CASE_RETURN_STR(BTA_HD_SET_REPORT_EVT)
247 CASE_RETURN_STR(BTA_HD_SET_PROTOCOL_EVT)
248 CASE_RETURN_STR(BTA_HD_INTR_DATA_EVT)
249 CASE_RETURN_STR(BTA_HD_VC_UNPLUG_EVT)
250 //CASE_RETURN_STR(BTA_HD_CONN_STATE_EVT)
251 CASE_RETURN_STR(BTA_HD_API_ERR_EVT)
252 default:
253 return "UNKNOWN MSG ID";
254 }
255 }
256 #endif ///BTA_HD_INCLUDED
257
devclass2uint(DEV_CLASS dev_class)258 UINT32 devclass2uint(DEV_CLASS dev_class)
259 {
260 UINT32 cod = 0;
261
262 if (dev_class != NULL) {
263 /* if COD is 0, irrespective of the device type set it to Unclassified device */
264 cod = (dev_class[2]) | (dev_class[1] << 8) | (dev_class[0] << 16);
265 }
266 return cod;
267 }
268
uint2devclass(UINT32 cod,DEV_CLASS dev_class)269 void uint2devclass(UINT32 cod, DEV_CLASS dev_class)
270 {
271 dev_class[2] = (UINT8)cod;
272 dev_class[1] = (UINT8)(cod >> 8);
273 dev_class[0] = (UINT8)(cod >> 16);
274 }
275
276 static const UINT8 base_uuid_be[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
277 0x80, 0x00, 0x00, 0x80, 0x5F, 0x9B, 0x34, 0xFB};
278
uuid128_be_to_esp_uuid(esp_bt_uuid_t * u,uint8_t * uuid128)279 void uuid128_be_to_esp_uuid(esp_bt_uuid_t *u, uint8_t* uuid128)
280 {
281 if (memcmp(base_uuid_be+4, uuid128 + 4, 12) != 0) {
282 u->len = ESP_UUID_LEN_128;
283 uint8_t *p_i = uuid128 + ESP_UUID_LEN_128 - 1;
284 uint8_t *p_o = u->uuid.uuid128;
285 uint8_t *p_end = p_o + ESP_UUID_LEN_128;
286 for (; p_o != p_end; *p_o++ = *p_i--)
287 ;
288 } else if (uuid128[0] == 0 && uuid128[1] == 0) {
289 u->len = 2;
290 u->uuid.uuid16 = (uuid128[2] << 8) + uuid128[3];
291 } else {
292 u->len = 4;
293 u->uuid.uuid32 = (uuid128[2] << 8) + uuid128[3];
294 u->uuid.uuid32 += (uuid128[0] << 24) + (uuid128[1] << 16);
295 }
296
297 return;
298 }
299
uuid_to_string_legacy(bt_uuid_t * p_uuid,char * str)300 void uuid_to_string_legacy(bt_uuid_t *p_uuid, char *str)
301 {
302 uint32_t uuid0, uuid4;
303 uint16_t uuid1, uuid2, uuid3, uuid5;
304
305 memcpy(&uuid0, &(p_uuid->uu[0]), 4);
306 memcpy(&uuid1, &(p_uuid->uu[4]), 2);
307 memcpy(&uuid2, &(p_uuid->uu[6]), 2);
308 memcpy(&uuid3, &(p_uuid->uu[8]), 2);
309 memcpy(&uuid4, &(p_uuid->uu[10]), 4);
310 memcpy(&uuid5, &(p_uuid->uu[14]), 2);
311
312 sprintf((char *)str, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x",
313 ntohl(uuid0), ntohs(uuid1),
314 ntohs(uuid2), ntohs(uuid3),
315 ntohl(uuid4), ntohs(uuid5));
316 return;
317 }
318
btc_hci_to_esp_status(uint8_t hci_status)319 esp_bt_status_t btc_hci_to_esp_status(uint8_t hci_status)
320 {
321 esp_bt_status_t esp_status = ESP_BT_STATUS_FAIL;
322 switch(hci_status) {
323 case HCI_SUCCESS:
324 esp_status = ESP_BT_STATUS_SUCCESS;
325 break;
326 case HCI_ERR_HOST_TIMEOUT:
327 esp_status = ESP_BT_STATUS_TIMEOUT;
328 break;
329 case HCI_ERR_ILLEGAL_COMMAND:
330 esp_status = ESP_BT_STATUS_PENDING;
331 break;
332 case HCI_ERR_UNACCEPT_CONN_INTERVAL:
333 esp_status = ESP_BT_STATUS_UNACCEPT_CONN_INTERVAL;
334 break;
335 case HCI_ERR_PARAM_OUT_OF_RANGE:
336 esp_status = ESP_BT_STATUS_PARAM_OUT_OF_RANGE;
337 break;
338 case HCI_ERR_ILLEGAL_PARAMETER_FMT:
339 esp_status = ESP_BT_STATUS_ERR_ILLEGAL_PARAMETER_FMT;
340 break;
341 default:
342 esp_status = ESP_BT_STATUS_FAIL;
343 break;
344 }
345
346 return esp_status;
347 }
348
btc_btm_status_to_esp_status(uint8_t btm_status)349 esp_bt_status_t btc_btm_status_to_esp_status (uint8_t btm_status)
350 {
351 esp_bt_status_t esp_status = ESP_BT_STATUS_FAIL;
352 switch(btm_status){
353 case BTM_SUCCESS:
354 esp_status = ESP_BT_STATUS_SUCCESS;
355 break;
356 case BTM_BUSY:
357 esp_status = ESP_BT_STATUS_BUSY;
358 break;
359 case BTM_NO_RESOURCES:
360 esp_status = ESP_BT_STATUS_NOMEM;
361 break;
362 case BTM_ILLEGAL_VALUE:
363 esp_status = ESP_BT_STATUS_PARM_INVALID;
364 break;
365 case BTM_ERR_PROCESSING:
366 esp_status = ESP_BT_STATUS_PENDING;
367 break;
368 case BTM_PEER_LE_DATA_LEN_UNSUPPORTED:
369 esp_status = ESP_BT_STATUS_PEER_LE_DATA_LEN_UNSUPPORTED;
370 break;
371 case BTM_CONTROL_LE_DATA_LEN_UNSUPPORTED:
372 esp_status = ESP_BT_STATUS_CONTROL_LE_DATA_LEN_UNSUPPORTED;
373 break;
374 case BTM_SET_PRIVACY_SUCCESS:
375 esp_status = ESP_BT_STATUS_SUCCESS;
376 break;
377 case BTM_SET_PRIVACY_FAIL:
378 esp_status = ESP_BT_STATUS_FAIL;
379 break;
380 default:
381 esp_status = ESP_BT_STATUS_FAIL;
382 break;
383 }
384
385 return esp_status;
386 }
387
btc_bta_status_to_esp_status(uint8_t bta_status)388 esp_bt_status_t btc_bta_status_to_esp_status (uint8_t bta_status)
389 {
390 esp_bt_status_t esp_status = ESP_BT_STATUS_FAIL;
391 switch(bta_status){
392 case BTA_SUCCESS:
393 esp_status = ESP_BT_STATUS_SUCCESS;
394 break;
395 case BTA_FAILURE:
396 esp_status = ESP_BT_STATUS_FAIL;
397 break;
398 case BTA_PENDING:
399 esp_status = ESP_BT_STATUS_PENDING;
400 break;
401 case BTA_BUSY:
402 esp_status = ESP_BT_STATUS_BUSY;
403 break;
404 case BTA_NO_RESOURCES:
405 esp_status = ESP_BT_STATUS_NOMEM;
406 break;
407 case BTA_WRONG_MODE:
408 esp_status = ESP_BT_STATUS_NOT_READY;
409 break;
410 case BTA_EIR_TOO_LARGE:
411 esp_status = ESP_BT_STATUS_EIR_TOO_LARGE;
412 break;
413 default:
414 esp_status = ESP_BT_STATUS_FAIL;
415 break;
416 }
417
418 return esp_status;
419 }
420
