Outline ![]()
Files ![]()
loading...
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
508
509
510
511
512
513
514
/*
* Iperf example - wifi commands
*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include "esp_log.h"
#include "esp_console.h"
#include "argtable3/argtable3.h"
#include "cmd_decl.h"
#include "freertos/FreeRTOS.h"
#include "freertos/event_groups.h"
#include "esp_wifi.h"
#include "esp_netif.h"
#include "iperf.h"
typedef struct {
struct arg_str *ip;
struct arg_lit *server;
struct arg_lit *udp;
struct arg_lit *version;
struct arg_int *port;
struct arg_int *length;
struct arg_int *interval;
struct arg_int *time;
struct arg_lit *abort;
struct arg_end *end;
} wifi_iperf_t;
static wifi_iperf_t iperf_args;
typedef struct {
struct arg_str *ssid;
struct arg_str *password;
struct arg_end *end;
} wifi_args_t;
typedef struct {
struct arg_str *ssid;
struct arg_end *end;
} wifi_scan_arg_t;
static wifi_args_t sta_args;
static wifi_scan_arg_t scan_args;
static wifi_args_t ap_args;
static bool reconnect = true;
static const char *TAG = "iperf";
static EventGroupHandle_t wifi_event_group;
const int CONNECTED_BIT = BIT0;
const int DISCONNECTED_BIT = BIT1;
static esp_netif_t *sta_netif = NULL;
static esp_netif_t *ap_netif = NULL;
static void scan_done_handler(void)
{
uint16_t sta_number = 0;
uint8_t i;
wifi_ap_record_t *ap_list_buffer;
esp_wifi_scan_get_ap_num(&sta_number);
ap_list_buffer = malloc(sta_number * sizeof(wifi_ap_record_t));
if (ap_list_buffer == NULL) {
ESP_LOGE(TAG, "Failed to malloc buffer to print scan results");
esp_wifi_clear_ap_list();
return;
}
if (esp_wifi_scan_get_ap_records(&sta_number, (wifi_ap_record_t *)ap_list_buffer) == ESP_OK) {
for (i = 0; i < sta_number; i++) {
ESP_LOGI(TAG, "[%s][rssi=%d]", ap_list_buffer[i].ssid, ap_list_buffer[i].rssi);
}
}
free(ap_list_buffer);
}
static void wifi_event_handler(void *arg, esp_event_base_t event_base,
int32_t event_id, void *event_data)
{
switch (event_id) {
case WIFI_EVENT_SCAN_DONE:
scan_done_handler();
ESP_LOGI(TAG, "sta scan done");
break;
case WIFI_EVENT_STA_CONNECTED:
ESP_LOGI(TAG, "L2 connected");
break;
case WIFI_EVENT_STA_DISCONNECTED:
if (reconnect) {
ESP_LOGI(TAG, "sta disconnect, reconnect...");
esp_wifi_connect();
} else {
ESP_LOGI(TAG, "sta disconnect");
}
xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
xEventGroupSetBits(wifi_event_group, DISCONNECTED_BIT);
break;
default:
break;
}
return;
}
static void ip_event_handler(void *arg, esp_event_base_t event_base,
int32_t event_id, void *event_data)
{
switch (event_id) {
case IP_EVENT_STA_GOT_IP:
xEventGroupClearBits(wifi_event_group, DISCONNECTED_BIT);
xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
ESP_LOGI(TAG, "got ip");
break;
default:
break;
}
return;
}
void initialise_wifi(void)
{
esp_log_level_set("wifi", ESP_LOG_WARN);
static bool initialized = false;
if (initialized) {
return;
}
ESP_ERROR_CHECK(esp_netif_init());
wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK(esp_event_loop_create_default());
sta_netif = esp_netif_create_default_wifi_sta();
assert(sta_netif);
ap_netif = esp_netif_create_default_wifi_ap();
assert(ap_netif);
ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL));
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &ip_event_handler, NULL));
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
ESP_ERROR_CHECK( esp_wifi_set_ps(WIFI_PS_MIN_MODEM) ); //must call this
ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
ESP_ERROR_CHECK( esp_wifi_start() );
initialized = true;
}
static bool wifi_cmd_sta_join(const char *ssid, const char *pass)
{
int bits = xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT, 0, 1, 0);
wifi_config_t wifi_config = { 0 };
strlcpy((char *) wifi_config.sta.ssid, ssid, sizeof(wifi_config.sta.ssid));
if (pass) {
strncpy((char *) wifi_config.sta.password, pass, sizeof(wifi_config.sta.password));
}
if (bits & CONNECTED_BIT) {
reconnect = false;
xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
ESP_ERROR_CHECK( esp_wifi_disconnect() );
xEventGroupWaitBits(wifi_event_group, DISCONNECTED_BIT, 0, 1, portTICK_PERIOD_MS);
}
reconnect = true;
esp_wifi_disconnect();
//ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) ); //by snake
ESP_ERROR_CHECK( esp_wifi_set_config(WIFI_IF_STA, &wifi_config) );
esp_wifi_connect();
xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT, 0, 1, 5000 / portTICK_PERIOD_MS);
return true;
}
static int wifi_cmd_sta(int argc, char **argv)
{
int nerrors = arg_parse(argc, argv, (void **) &sta_args);
if (nerrors != 0) {
arg_print_errors(stderr, sta_args.end, argv[0]);
return 1;
}
ESP_LOGI(TAG, "sta connecting to '%s'", sta_args.ssid->sval[0]);
wifi_cmd_sta_join(sta_args.ssid->sval[0], sta_args.password->sval[0]);
return 0;
}
static bool wifi_cmd_sta_scan(const char *ssid)
{
wifi_scan_config_t scan_config = { 0 };
scan_config.ssid = (uint8_t *) ssid;
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
esp_wifi_scan_start(&scan_config, false);
return true;
}
static int wifi_cmd_scan(int argc, char **argv)
{
int nerrors = arg_parse(argc, argv, (void **) &scan_args);
if (nerrors != 0) {
arg_print_errors(stderr, scan_args.end, argv[0]);
return 1;
}
ESP_LOGI(TAG, "sta start to scan");
if ( scan_args.ssid->count == 1 ) {
wifi_cmd_sta_scan(scan_args.ssid->sval[0]);
} else {
wifi_cmd_sta_scan(NULL);
}
return 0;
}
static bool wifi_cmd_ap_set(const char *ssid, const char *pass)
{
wifi_config_t wifi_config = {
.ap = {
.ssid = "",
.ssid_len = 0,
.max_connection = 4,
.password = "",
.authmode = WIFI_AUTH_WPA_WPA2_PSK
},
};
reconnect = false;
strncpy((char *) wifi_config.ap.ssid, ssid, sizeof(wifi_config.ap.ssid));
if (pass) {
if (strlen(pass) != 0 && strlen(pass) < 8) {
reconnect = true;
ESP_LOGE(TAG, "password less than 8");
return false;
}
strncpy((char *) wifi_config.ap.password, pass, sizeof(wifi_config.ap.password));
}
if (strlen(pass) == 0) {
wifi_config.ap.authmode = WIFI_AUTH_OPEN;
}
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &wifi_config));
return true;
}
static int wifi_cmd_ap(int argc, char **argv)
{
int nerrors = arg_parse(argc, argv, (void **) &ap_args);
if (nerrors != 0) {
arg_print_errors(stderr, ap_args.end, argv[0]);
return 1;
}
wifi_cmd_ap_set(ap_args.ssid->sval[0], ap_args.password->sval[0]);
ESP_LOGI(TAG, "AP mode, %s %s", ap_args.ssid->sval[0], ap_args.password->sval[0]);
return 0;
}
static int wifi_cmd_query(int argc, char **argv)
{
wifi_config_t cfg;
wifi_mode_t mode;
esp_wifi_get_mode(&mode);
if (WIFI_MODE_AP == mode) {
esp_wifi_get_config(WIFI_IF_AP, &cfg);
ESP_LOGI(TAG, "AP mode, %s %s", cfg.ap.ssid, cfg.ap.password);
} else if (WIFI_MODE_STA == mode) {
int bits = xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT, 0, 1, 0);
if (bits & CONNECTED_BIT) {
esp_wifi_get_config(WIFI_IF_STA, &cfg);
ESP_LOGI(TAG, "sta mode, connected %s", cfg.ap.ssid);
} else {
ESP_LOGI(TAG, "sta mode, disconnected");
}
} else {
ESP_LOGI(TAG, "NULL mode");
return 0;
}
return 0;
}
static uint32_t wifi_get_local_ip(void)
{
int bits = xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT, 0, 1, 0);
esp_netif_t *ifx = ap_netif;
esp_netif_ip_info_t ip_info;
wifi_mode_t mode;
esp_wifi_get_mode(&mode);
if (WIFI_MODE_STA == mode) {
bits = xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT, 0, 1, 0);
if (bits & CONNECTED_BIT) {
ifx = sta_netif;
} else {
ESP_LOGE(TAG, "sta has no IP");
return 0;
}
}
esp_netif_get_ip_info(ifx, &ip_info);
return ip_info.ip.addr;
}
static int wifi_cmd_iperf(int argc, char **argv)
{
int nerrors = arg_parse(argc, argv, (void **) &iperf_args);
iperf_cfg_t cfg;
if (nerrors != 0) {
arg_print_errors(stderr, iperf_args.end, argv[0]);
return 0;
}
memset(&cfg, 0, sizeof(cfg));
// wifi iperf only support IPV4 address
cfg.type = IPERF_IP_TYPE_IPV4;
if ( iperf_args.abort->count != 0) {
iperf_stop();
return 0;
}
if ( ((iperf_args.ip->count == 0) && (iperf_args.server->count == 0)) ||
((iperf_args.ip->count != 0) && (iperf_args.server->count != 0)) ) {
ESP_LOGE(TAG, "should specific client/server mode");
return 0;
}
if (iperf_args.ip->count == 0) {
cfg.flag |= IPERF_FLAG_SERVER;
} else {
cfg.destination_ip4 = esp_ip4addr_aton(iperf_args.ip->sval[0]);
cfg.flag |= IPERF_FLAG_CLIENT;
}
cfg.source_ip4 = wifi_get_local_ip();
if (cfg.source_ip4 == 0) {
return 0;
}
if (iperf_args.length->count == 0) {
cfg.len_send_buf = 0;
} else {
cfg.len_send_buf = iperf_args.length->ival[0];
}
if (iperf_args.udp->count == 0) {
cfg.flag |= IPERF_FLAG_TCP;
} else {
cfg.flag |= IPERF_FLAG_UDP;
}
if (iperf_args.port->count == 0) {
cfg.sport = IPERF_DEFAULT_PORT;
cfg.dport = IPERF_DEFAULT_PORT;
} else {
if (cfg.flag & IPERF_FLAG_SERVER) {
cfg.sport = iperf_args.port->ival[0];
cfg.dport = IPERF_DEFAULT_PORT;
} else {
cfg.sport = IPERF_DEFAULT_PORT;
cfg.dport = iperf_args.port->ival[0];
}
}
if (iperf_args.interval->count == 0) {
cfg.interval = IPERF_DEFAULT_INTERVAL;
} else {
cfg.interval = iperf_args.interval->ival[0];
if (cfg.interval <= 0) {
cfg.interval = IPERF_DEFAULT_INTERVAL;
}
}
if (iperf_args.time->count == 0) {
cfg.time = IPERF_DEFAULT_TIME;
} else {
cfg.time = iperf_args.time->ival[0];
if (cfg.time <= cfg.interval) {
cfg.time = cfg.interval;
}
}
ESP_LOGI(TAG, "mode=%s-%s sip=%" PRIu32 ".%" PRIu32 ".%" PRIu32 ".%" PRIu32 ":%d, \
dip=%" PRIu32 ".%" PRIu32 ".%" PRIu32 ".%" PRIu32 ":%d, interval=%" PRIu32 ", time=%" PRIu32,
cfg.flag & IPERF_FLAG_TCP ? "tcp" : "udp",
cfg.flag & IPERF_FLAG_SERVER ? "server" : "client",
cfg.source_ip4 & 0xFF, (cfg.source_ip4 >> 8) & 0xFF, (cfg.source_ip4 >> 16) & 0xFF,
(cfg.source_ip4 >> 24) & 0xFF, cfg.sport,
cfg.destination_ip4 & 0xFF, (cfg.destination_ip4 >> 8) & 0xFF, (cfg.destination_ip4 >> 16) & 0xFF,
(cfg.destination_ip4 >> 24) & 0xFF, cfg.dport,
cfg.interval, cfg.time);
iperf_start(&cfg);
return 0;
}
static int restart(int argc, char **argv)
{
ESP_LOGI(TAG, "Restarting");
esp_restart();
}
static int heap_size(int argc, char **argv)
{
uint32_t heap_size = heap_caps_get_minimum_free_size(MALLOC_CAP_DEFAULT);
ESP_LOGI(TAG, "min heap size: %" PRIu32, heap_size);
return 0;
}
void register_wifi(void)
{
sta_args.ssid = arg_str1(NULL, NULL, "<ssid>", "SSID of AP");
sta_args.password = arg_str0(NULL, NULL, "<pass>", "password of AP");
sta_args.end = arg_end(2);
const esp_console_cmd_t sta_cmd = {
.command = "sta",
.help = "WiFi is station mode, join specified soft-AP",
.hint = NULL,
.func = &wifi_cmd_sta,
.argtable = &sta_args
};
ESP_ERROR_CHECK( esp_console_cmd_register(&sta_cmd) );
scan_args.ssid = arg_str0(NULL, NULL, "<ssid>", "SSID of AP want to be scanned");
scan_args.end = arg_end(1);
const esp_console_cmd_t scan_cmd = {
.command = "scan",
.help = "WiFi is station mode, start scan ap",
.hint = NULL,
.func = &wifi_cmd_scan,
.argtable = &scan_args
};
ap_args.ssid = arg_str1(NULL, NULL, "<ssid>", "SSID of AP");
ap_args.password = arg_str0(NULL, NULL, "<pass>", "password of AP");
ap_args.end = arg_end(2);
ESP_ERROR_CHECK( esp_console_cmd_register(&scan_cmd) );
const esp_console_cmd_t ap_cmd = {
.command = "ap",
.help = "AP mode, configure ssid and password",
.hint = NULL,
.func = &wifi_cmd_ap,
.argtable = &ap_args
};
ESP_ERROR_CHECK( esp_console_cmd_register(&ap_cmd) );
const esp_console_cmd_t query_cmd = {
.command = "query",
.help = "query WiFi info",
.hint = NULL,
.func = &wifi_cmd_query,
};
ESP_ERROR_CHECK( esp_console_cmd_register(&query_cmd) );
const esp_console_cmd_t restart_cmd = {
.command = "restart",
.help = "Restart the program",
.hint = NULL,
.func = &restart,
};
ESP_ERROR_CHECK( esp_console_cmd_register(&restart_cmd) );
iperf_args.ip = arg_str0("c", "client", "<ip>", "run in client mode, connecting to <host>");
iperf_args.server = arg_lit0("s", "server", "run in server mode");
iperf_args.udp = arg_lit0("u", "udp", "use UDP rather than TCP");
iperf_args.version = arg_lit0("V", "ipv6_domain", "use IPV6 address rather than IPV4");
iperf_args.port = arg_int0("p", "port", "<port>", "server port to listen on/connect to");
iperf_args.length = arg_int0("l", "len", "<length>", "set read/write buffer size");
iperf_args.interval = arg_int0("i", "interval", "<interval>", "seconds between periodic bandwidth reports");
iperf_args.time = arg_int0("t", "time", "<time>", "time in seconds to transmit for (default 10 secs)");
iperf_args.abort = arg_lit0("a", "abort", "abort running iperf");
iperf_args.end = arg_end(1);
const esp_console_cmd_t iperf_cmd = {
.command = "iperf",
.help = "iperf command",
.hint = NULL,
.func = &wifi_cmd_iperf,
.argtable = &iperf_args
};
ESP_ERROR_CHECK( esp_console_cmd_register(&iperf_cmd) );
const esp_console_cmd_t heap_cmd = {
.command = "heap",
.help = "get min free heap size during test",
.hint = NULL,
.func = &heap_size,
};
ESP_ERROR_CHECK( esp_console_cmd_register(&heap_cmd) );
}
Details ![]()
Show: from Types: Columns: ![]( "Show Project Names")
![]( "Show Locations")
![]( "Show Referring Symbols")
![]( "Show Scope")
This file uses the notable symbols shown below. Click anywhere in the file to view more details.