-
Notifications
You must be signed in to change notification settings - Fork 7.1k
/
main.c
507 lines (428 loc) · 15.2 KB
/
main.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
/*
* SPDX-FileCopyrightText: 2017-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "esp_log.h"
#include "nvs_flash.h"
/* BLE */
#include "nimble/nimble_port.h"
#include "nimble/nimble_port_freertos.h"
#include "host/ble_hs.h"
#include "host/util/util.h"
#include "console/console.h"
#include "services/gap/ble_svc_gap.h"
#include "multi_adv.h"
static const char *tag = "NimBLE_MULTI_ADV";
static int ble_multi_adv_gap_event(struct ble_gap_event *event, void *arg);
static uint8_t own_addr_type = BLE_OWN_ADDR_RANDOM;
struct ble_instance_cb_register ble_instance_cb[BLE_ADV_INSTANCES];
void ble_store_config_init(void);
static int ble_connectable_ext_cb(uint16_t instance);
static int ble_scannable_legacy_ext_cb(uint16_t instance);
static int ble_legacy_duration_cb(uint16_t instance);
static int ble_non_conn_ext_cb(uint16_t instance);
static void ble_multi_advertise(ble_addr_t addr);
/* Advertising patterns */
static uint8_t legacy_dur_adv_pattern[] = {
0x02, 0x01, 0x06,
0x03, 0x03, 0xab, 0xcd,
0x03, 0x03, 0x18, 0x11,
0x12, 0X09, 'n', 'i', 'm', 'b', 'l', 'e', '-', 'l', 'e', 'g', 'a', 'c', 'y', '-', 'd', 'u',
'r'
};
static uint8_t scannable_legacy_adv_pattern[] = {
0x02, 0x01, 0x06,
0x03, 0x03, 0xab, 0xcd,
0x03, 0x03, 0x18, 0x11,
0x13, 0X09, 'n', 'i', 'm', 'b', 'l', 'e', '-', 's', 'c', 'a', 'n', '-', 'l', 'e', 'g', 'a',
'c', 'y'
};
static uint8_t connectable_adv_pattern[] = {
0x02, 0x01, 0x06,
0x03, 0x03, 0xab, 0xcd,
0x03, 0x03, 0x18, 0x11,
0x12, 0X09, 'n', 'i', 'm', 'b', 'l', 'e', '-', 'c', 'o', 'n', 'n', 'e', 't', 'a', 'b', 'l', 'e'
};
static uint8_t non_conn_adv_pattern[] = {
0x02, 0x01, 0x06,
0x03, 0x03, 0xab, 0xcd,
0x03, 0x03, 0x18, 0x11,
0x10, 0X09, 'n', 'i', 'm', 'b', 'l', 'e', '-', 'n', 'o', 'n', '-', 'c', 'o', 'n', 'n'
};
/**
* Logs information about a connection to the console.
*/
static void
ble_multi_adv_print_conn_desc(struct ble_gap_conn_desc *desc)
{
MODLOG_DFLT(INFO, "handle=%d our_ota_addr_type=%d our_ota_addr=",
desc->conn_handle, desc->our_ota_addr.type);
print_addr(desc->our_ota_addr.val);
MODLOG_DFLT(INFO, " our_id_addr_type=%d our_id_addr=",
desc->our_id_addr.type);
print_addr(desc->our_id_addr.val);
MODLOG_DFLT(INFO, " peer_ota_addr_type=%d peer_ota_addr=",
desc->peer_ota_addr.type);
print_addr(desc->peer_ota_addr.val);
MODLOG_DFLT(INFO, " peer_id_addr_type=%d peer_id_addr=",
desc->peer_id_addr.type);
print_addr(desc->peer_id_addr.val);
MODLOG_DFLT(INFO, " conn_itvl=%d conn_latency=%d supervision_timeout=%d "
"encrypted=%d authenticated=%d bonded=%d\n",
desc->conn_itvl, desc->conn_latency,
desc->supervision_timeout,
desc->sec_state.encrypted,
desc->sec_state.authenticated,
desc->sec_state.bonded);
}
/* Generates and sets random address */
static int
ble_multi_adv_set_addr(uint16_t instance)
{
ble_addr_t addr;
int rc;
/* generate new non-resolvable private address */
rc = ble_hs_id_gen_rnd(1, &addr);
if (rc != 0) {
return rc;
}
/* Set generated address */
rc = ble_gap_ext_adv_set_addr(instance, &addr);
if (rc != 0) {
return rc;
}
memcpy(&ble_instance_cb[instance].addr, &addr, sizeof(addr));
return 0;
}
/* Configures extended advertsing params*/
static void
ble_multi_adv_conf_set_addr(uint16_t instance, struct ble_gap_ext_adv_params *params,
uint8_t *pattern, int size_pattern, int duration)
{
int rc;
struct os_mbuf *data;
if (ble_gap_ext_adv_active(instance)) {
ESP_LOGI(tag, "Instance already advertising");
return;
}
rc = ble_gap_ext_adv_configure(instance, params, NULL,
ble_multi_adv_gap_event, NULL);
assert (rc == 0);
rc = ble_multi_adv_set_addr(instance);
assert (rc == 0);
/* get mbuf for adv data */
data = os_msys_get_pkthdr(size_pattern, 0);
assert(data);
/* fill mbuf with adv data */
rc = os_mbuf_append(data, pattern, size_pattern);
assert(rc == 0);
rc = ble_gap_ext_adv_set_data(instance, data);
assert (rc == 0);
/* start advertising */
rc = ble_gap_ext_adv_start(instance, duration, 0);
assert (rc == 0);
ESP_LOGI(tag, "Instance %d started", instance);
}
/* Starts advertising instance with 5sec timeout */
static void
start_legacy_duration(void)
{
uint8_t instance = 3;
int duration = 500; /* 5seconds, 10ms units */
struct ble_gap_ext_adv_params params;
int size_pattern = sizeof(legacy_dur_adv_pattern) / sizeof(legacy_dur_adv_pattern[0]);
memset (¶ms, 0, sizeof(params));
params.legacy_pdu = 1;
params.own_addr_type = BLE_OWN_ADDR_RANDOM;
params.sid = 3;
params.primary_phy = BLE_HCI_LE_PHY_1M;
params.secondary_phy = BLE_HCI_LE_PHY_1M;
params.tx_power = 127;
ble_multi_adv_conf_set_addr(instance, ¶ms, legacy_dur_adv_pattern,
size_pattern, duration);
ble_instance_cb[instance].cb = &ble_legacy_duration_cb;
}
/* Starts simple non-connectable scannable instance using legacy PUDs that
* runs forever
*/
static void
start_scannable_legacy_ext(void)
{
uint8_t instance = 2;
struct ble_gap_ext_adv_params params;
int size_pattern = sizeof(scannable_legacy_adv_pattern)/sizeof(scannable_legacy_adv_pattern[0]);
memset (¶ms, 0, sizeof(params));
params.legacy_pdu = 1;
params.scannable = 1;
params.own_addr_type = BLE_OWN_ADDR_RANDOM;
params.sid = 2;
params.primary_phy = BLE_HCI_LE_PHY_1M;
params.secondary_phy = BLE_HCI_LE_PHY_1M;
params.tx_power = 127;
ble_multi_adv_conf_set_addr(instance, ¶ms, scannable_legacy_adv_pattern
, size_pattern, 0);
ble_instance_cb[instance].cb = &ble_scannable_legacy_ext_cb;
}
/* this is simple scannable instance that runs forever
* TODO Get scan request notifications.
*/
static void
start_connectable_ext(void)
{
uint8_t instance = 1;
struct ble_gap_ext_adv_params params;
int size_pattern = sizeof(connectable_adv_pattern) / sizeof(connectable_adv_pattern[0]);
memset (¶ms, 0, sizeof(params));
params.connectable = 1;
params.own_addr_type = BLE_OWN_ADDR_RANDOM;
params.sid = 1;
params.primary_phy = BLE_HCI_LE_PHY_1M;
params.secondary_phy = BLE_HCI_LE_PHY_1M;
params.tx_power = 127;
ble_multi_adv_conf_set_addr(instance, ¶ms, connectable_adv_pattern,
size_pattern, 0);
ble_instance_cb[instance].cb = &ble_connectable_ext_cb;
}
/* Starts a connectable instance */
static void
start_non_connectable_ext(void)
{
uint8_t instance = 0;
struct ble_gap_ext_adv_params params;
int size_pattern = sizeof(non_conn_adv_pattern) / sizeof(non_conn_adv_pattern[0]);
memset (¶ms, 0, sizeof(params));
params.own_addr_type = BLE_OWN_ADDR_RANDOM;
params.sid = 0;
params.primary_phy = BLE_HCI_LE_PHY_1M;
params.secondary_phy = BLE_HCI_LE_PHY_2M;
params.tx_power = 127;
ble_multi_adv_conf_set_addr(instance, ¶ms, non_conn_adv_pattern,
size_pattern, 0);
ble_instance_cb[instance].cb = &ble_non_conn_ext_cb;
}
/* Callbacks */
static int
ble_connectable_ext_cb(uint16_t instance)
{
ESP_LOGI(tag, "In %s, instance = %d", __func__, instance);
return 0;
}
static int
ble_scannable_legacy_ext_cb(uint16_t instance)
{
ESP_LOGI(tag, "In %s, instance = %d", __func__, instance);
return 0;
}
static int
ble_legacy_duration_cb(uint16_t instance)
{
ESP_LOGI(tag, "In %s, instance = %d", __func__, instance);
return 0;
}
static int
ble_non_conn_ext_cb(uint16_t instance)
{
ESP_LOGI(tag, "In %s, instance = %d", __func__, instance);
return 0;
}
/* Finds instance associated with the random address passed and calls its callback function */
static void
ble_multi_advertise(ble_addr_t addr)
{
for (int i = 0; i < BLE_ADV_INSTANCES; i++) {
if (memcmp(&addr, &ble_instance_cb[i].addr, sizeof(addr)) == 0) {
switch(i) {
case 0:
start_non_connectable_ext();
break;
case 1:
start_connectable_ext();
break;
case 2:
start_scannable_legacy_ext();
break;
case 3:
start_legacy_duration();
break;
default:
ESP_LOGI(tag, "Instance not found");
}
}
}
}
static void
ble_multi_perform_gatt_proc(ble_addr_t addr)
{
/* GATT procedures like notify, indicate can be perfomed now */
for (int i = 0; i < BLE_ADV_INSTANCES; i++) {
if (memcmp(&addr, &ble_instance_cb[i].addr, sizeof(addr)) == 0) {
if (ble_instance_cb[i].cb) {
ble_instance_cb[i].cb(i);
}
}
}
return;
}
/**
* The nimble host executes this callback when a GAP event occurs. The
* application associates a GAP event callback with each connection that forms.
* bleprph uses the same callback for all connections.
*
* @param event The type of event being signalled.
* @param ctxt Various information pertaining to the event.
* @param arg Application-specified argument; unused by
* bleprph.
*
* @return 0 if the application successfully handled the
* event; nonzero on failure. The semantics
* of the return code is specific to the
* particular GAP event being signalled.
*/
static int
ble_multi_adv_gap_event(struct ble_gap_event *event, void *arg)
{
struct ble_gap_conn_desc desc;
int rc;
switch (event->type) {
case BLE_GAP_EVENT_CONNECT:
/* A new connection was established or a connection attempt failed. */
MODLOG_DFLT(INFO, "connection %s; status=%d ",
event->connect.status == 0 ? "established" : "failed",
event->connect.status);
if (event->connect.status == 0) {
rc = ble_gap_conn_find(event->connect.conn_handle, &desc);
assert(rc == 0);
ble_multi_adv_print_conn_desc(&desc);
ble_multi_perform_gatt_proc(desc.our_id_addr);
}
MODLOG_DFLT(INFO, "\n");
return 0;
case BLE_GAP_EVENT_DISCONNECT:
MODLOG_DFLT(INFO, "disconnect; reason=%d ", event->disconnect.reason);
ble_multi_adv_print_conn_desc(&event->disconnect.conn);
MODLOG_DFLT(INFO, "\n");
return 0;
case BLE_GAP_EVENT_CONN_UPDATE:
/* The central has updated the connection parameters. */
MODLOG_DFLT(INFO, "connection updated; status=%d ",
event->conn_update.status);
rc = ble_gap_conn_find(event->conn_update.conn_handle, &desc);
assert(rc == 0);
ble_multi_adv_print_conn_desc(&desc);
MODLOG_DFLT(INFO, "\n");
return 0;
case BLE_GAP_EVENT_ADV_COMPLETE:
MODLOG_DFLT(INFO, "advertise complete; reason=%d",
event->adv_complete.reason);
ble_multi_advertise(ble_instance_cb[event->adv_complete.instance].addr);
return 0;
case BLE_GAP_EVENT_ENC_CHANGE:
/* Encryption has been enabled or disabled for this connection. */
MODLOG_DFLT(INFO, "encryption change event; status=%d ",
event->enc_change.status);
rc = ble_gap_conn_find(event->enc_change.conn_handle, &desc);
assert(rc == 0);
ble_multi_adv_print_conn_desc(&desc);
MODLOG_DFLT(INFO, "\n");
return 0;
case BLE_GAP_EVENT_NOTIFY_TX:
MODLOG_DFLT(INFO, "notify_tx event; conn_handle=%d attr_handle=%d "
"status=%d is_indication=%d",
event->notify_tx.conn_handle,
event->notify_tx.attr_handle,
event->notify_tx.status,
event->notify_tx.indication);
return 0;
case BLE_GAP_EVENT_SUBSCRIBE:
MODLOG_DFLT(INFO, "subscribe event; conn_handle=%d attr_handle=%d "
"reason=%d prevn=%d curn=%d previ=%d curi=%d\n",
event->subscribe.conn_handle,
event->subscribe.attr_handle,
event->subscribe.reason,
event->subscribe.prev_notify,
event->subscribe.cur_notify,
event->subscribe.prev_indicate,
event->subscribe.cur_indicate);
return 0;
case BLE_GAP_EVENT_MTU:
MODLOG_DFLT(INFO, "mtu update event; conn_handle=%d cid=%d mtu=%d\n",
event->mtu.conn_handle,
event->mtu.channel_id,
event->mtu.value);
return 0;
}
return 0;
}
static void
ble_multi_adv_on_reset(int reason)
{
MODLOG_DFLT(ERROR, "Resetting state; reason=%d\n", reason);
}
static void
ble_multi_adv_on_sync(void)
{
int rc;
rc = ble_hs_util_ensure_addr(0);
assert(rc == 0);
/* Figure out address to use while advertising (no privacy for now) */
rc = ble_hs_id_infer_auto(0, &own_addr_type);
if (rc != 0) {
MODLOG_DFLT(ERROR, "error determining address type; rc=%d\n", rc);
return;
}
start_non_connectable_ext();
start_connectable_ext();
start_scannable_legacy_ext();
start_legacy_duration();
}
void ble_multi_adv_host_task(void *param)
{
ESP_LOGI(tag, "BLE Host Task Started");
/* This function will return only when nimble_port_stop() is executed */
nimble_port_run();
nimble_port_freertos_deinit();
}
void
app_main(void)
{
int rc;
/* Initialize NVS — it is used to store PHY calibration data */
esp_err_t ret = nvs_flash_init();
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
ESP_ERROR_CHECK(nvs_flash_erase());
ret = nvs_flash_init();
}
ESP_ERROR_CHECK(ret);
ret = nimble_port_init();
if (ret != ESP_OK) {
ESP_LOGE(tag, "Failed to init nimble %d ", ret);
return;
}
/* Initialize the NimBLE host configuration. */
ble_hs_cfg.reset_cb = ble_multi_adv_on_reset;
ble_hs_cfg.sync_cb = ble_multi_adv_on_sync;
ble_hs_cfg.gatts_register_cb = gatt_svr_register_cb;
ble_hs_cfg.store_status_cb = ble_store_util_status_rr;
ble_hs_cfg.sm_bonding = 1;
ble_hs_cfg.sm_mitm = 1;
ble_hs_cfg.sm_sc = 1;
ble_hs_cfg.sm_sc = 0;
/* Enable the appropriate bit masks to make sure the keys
* that are needed are exchanged
*/
ble_hs_cfg.sm_our_key_dist = BLE_SM_PAIR_KEY_DIST_ENC;
ble_hs_cfg.sm_their_key_dist = BLE_SM_PAIR_KEY_DIST_ENC;
/* Initialize callbacks to NULL */
for (int i = 0; i < BLE_ADV_INSTANCES; i++) {
ble_instance_cb[i].cb = NULL;
}
rc = gatt_svr_init();
assert(rc == 0);
/* Set the default device name. */
rc = ble_svc_gap_device_name_set("nimble-multi-adv");
assert(rc == 0);
/* XXX Need to have template for store */
ble_store_config_init();
nimble_port_freertos_init(ble_multi_adv_host_task);
}