OVMS3-idf/examples/wifi/wps/main/wps.c

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/* WiFi Connection Example using WPS
*
* WPS_TYPE_PBC: Start esp32 and it will enter wps PBC mode. Then push the button of wps on router down. The esp32 will connected to the router.
*
* WPS_TYPE_PIN: Start esp32, You'll see PIN code which is a eight-digit number showing on COM. Enter the PIN code in router and then the esp32 will connected to router.
*/
#include "freertos/FreeRTOS.h"
#include "freertos/event_groups.h"
#include "esp_wifi.h"
#include "esp_log.h"
#include "esp_wps.h"
#include "esp_event_loop.h"
/*set wps mode via "make menuconfig"*/
#if CONFIG_EXAMPLE_WPS_TYPE_PBC
#define WPS_TEST_MODE WPS_TYPE_PBC
#elif CONFIG_EXAMPLE_WPS_TYPE_PIN
#define WPS_TEST_MODE WPS_TYPE_PIN
#else
#define WPS_TEST_MODE WPS_TYPE_DISABLE
#endif
#ifndef PIN2STR
#define PIN2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5], (a)[6], (a)[7]
#define PINSTR "%c%c%c%c%c%c%c%c"
#endif
static const char *TAG = "example_wps";
static esp_err_t event_handler(void *ctx, system_event_t *event)
{
switch(event->event_id) {
case SYSTEM_EVENT_STA_START:
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_START");
break;
case SYSTEM_EVENT_STA_GOT_IP:
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_GOT_IP");
ESP_LOGI(TAG, "got ip:%s\n",
ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_DISCONNECTED");
ESP_ERROR_CHECK(esp_wifi_connect());
break;
case SYSTEM_EVENT_STA_WPS_ER_SUCCESS:
/*point: the function esp_wifi_wps_start() only get ssid & password
* and we suggest you call the function esp_wifi_connect() here
* */
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_WPS_ER_SUCCESS");
ESP_ERROR_CHECK(esp_wifi_wps_disable());
ESP_ERROR_CHECK(esp_wifi_connect());
break;
case SYSTEM_EVENT_STA_WPS_ER_FAILED:
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_WPS_ER_FAILED");
ESP_ERROR_CHECK(esp_wifi_wps_disable());
ESP_ERROR_CHECK(esp_wifi_wps_enable(WPS_TEST_MODE));
ESP_ERROR_CHECK(esp_wifi_wps_start(0));
break;
case SYSTEM_EVENT_STA_WPS_ER_TIMEOUT:
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_WPS_ER_TIMEOUT");
ESP_ERROR_CHECK(esp_wifi_wps_disable());
ESP_ERROR_CHECK(esp_wifi_wps_enable(WPS_TEST_MODE));
ESP_ERROR_CHECK(esp_wifi_wps_start(0));
break;
case SYSTEM_EVENT_STA_WPS_ER_PIN:
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_WPS_ER_PIN");
/*show the PIN code here*/
ESP_LOGI(TAG, "WPS_PIN = "PINSTR, PIN2STR(event->event_info.sta_er_pin.pin_code));
break;
default:
break;
}
return ESP_OK;
}
/*init wifi as sta and start wps*/
static void start_wps(void)
{
tcpip_adapter_init();
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_mode(WIFI_MODE_STA));
ESP_ERROR_CHECK(esp_wifi_start());
ESP_LOGI(TAG, "start wps...");
//ESP_ERROR_CHECK(esp_wifi_wps_enable(WPS_TYPE_PBC));
ESP_ERROR_CHECK(esp_wifi_wps_enable(WPS_TEST_MODE));
ESP_ERROR_CHECK(esp_wifi_wps_start(0));
}
void app_main()
{
start_wps();
}