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esp-idf/examples/wifi/iperf/main/cmd_wifi.c

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13 KiB
C
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/* Iperf Example - wifi commands
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
#include <stdio.h>
#include <string.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 "tcpip_adapter.h"
#include "esp_event_loop.h"
#include "iperf.h"
typedef struct {
struct arg_str *ip;
struct arg_lit *server;
struct arg_lit *udp;
struct arg_int *port;
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 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");
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 esp_err_t event_handler(void *ctx, system_event_t *event)
{
switch(event->event_id) {
case SYSTEM_EVENT_STA_GOT_IP:
xEventGroupClearBits(wifi_event_group, DISCONNECTED_BIT);
xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
break;
case SYSTEM_EVENT_SCAN_DONE:
scan_done_handler();
ESP_LOGI(TAG, "sta scan done");
break;
case SYSTEM_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 ESP_OK;
}
void initialise_wifi(void)
{
esp_log_level_set("wifi", ESP_LOG_WARN);
static bool initialized = false;
if (initialized) {
return;
}
tcpip_adapter_init();
wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK( esp_event_loop_init(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_storage(WIFI_STORAGE_RAM) );
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_NULL) );
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_RATE_MS);
}
reconnect = true;
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
ESP_ERROR_CHECK( esp_wifi_connect() );
xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT, 0, 1, 5000/portTICK_RATE_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_ERROR_CHECK( 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(ESP_IF_WIFI_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);
tcpip_adapter_if_t ifx = TCPIP_ADAPTER_IF_AP;
tcpip_adapter_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 = TCPIP_ADAPTER_IF_STA;
} else {
ESP_LOGE(TAG, "sta has no IP");
return 0;
}
}
tcpip_adapter_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));
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.dip = ipaddr_addr(iperf_args.ip->sval[0]);
cfg.flag |= IPERF_FLAG_CLIENT;
}
cfg.sip = wifi_get_local_ip();
if (cfg.sip == 0) {
return 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=%d.%d.%d.%d:%d, dip=%d.%d.%d.%d:%d, interval=%d, time=%d",
cfg.flag&IPERF_FLAG_TCP?"tcp":"udp",
cfg.flag&IPERF_FLAG_SERVER?"server":"client",
cfg.sip&0xFF, (cfg.sip>>8)&0xFF, (cfg.sip>>16)&0xFF, (cfg.sip>>24)&0xFF, cfg.sport,
cfg.dip&0xFF, (cfg.dip>>8)&0xFF, (cfg.dip>>16)&0xFF, (cfg.dip>>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: %u", heap_size);
return 0;
}
void register_wifi()
{
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.port = arg_int0("p", "port", "<port>", "server port to listen on/connect to");
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 druing test",
.hint = NULL,
.func = &heap_size,
};
ESP_ERROR_CHECK( esp_console_cmd_register(&heap_cmd) );
}
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