arduino-esp32/libraries/WiFi/examples/WPS/WPS.ino

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/*
Example Code To Get ESP32 To Connect To A Router Using WPS
===========================================================
This example code provides both Push Button method and Pin
based WPS entry to get your ESP connected to your WiFi router.
Hardware Requirements
========================
ESP32 and a Router having atleast one WPS functionality
This code is under Public Domain License.
Author:
Pranav Cherukupalli <cherukupallip@gmail.com>
*/
#include "WiFi.h"
#include "esp_wps.h"
/*
Change the definition of the WPS mode
from WPS_TYPE_PBC to WPS_TYPE_PIN in
the case that you are using pin type
WPS
*/
#define ESP_WPS_MODE WPS_TYPE_PBC
esp_wps_config_t config = WPS_CONFIG_INIT_DEFAULT(ESP_WPS_MODE);
String wpspin2string(uint8_t a[]){
char wps_pin[9];
for(int i=0;i<8;i++){
wps_pin[i] = a[i];
}
wps_pin[8] = '\0';
return (String)wps_pin;
}
void WiFiEvent(WiFiEvent_t event, system_event_info_t info){
switch(event){
case SYSTEM_EVENT_STA_START:
Serial.println("Station Mode Started");
break;
case SYSTEM_EVENT_STA_GOT_IP:
Serial.println("Connected to :" + String(WiFi.SSID()));
Serial.print("Got IP: ");
Serial.println(WiFi.localIP());
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
Serial.println("Disconnected from station, attempting reconnection");
WiFi.reconnect();
break;
case SYSTEM_EVENT_STA_WPS_ER_SUCCESS:
Serial.println("WPS Successfull, stopping WPS and connecting to: " + String(WiFi.SSID()));
esp_wifi_wps_disable();
delay(10);
WiFi.begin();
break;
case SYSTEM_EVENT_STA_WPS_ER_FAILED:
Serial.println("WPS Failed, retrying");
esp_wifi_wps_disable();
esp_wifi_wps_enable(&config);
esp_wifi_wps_start(0);
break;
case SYSTEM_EVENT_STA_WPS_ER_TIMEOUT:
Serial.println("WPS Timedout, retrying");
esp_wifi_wps_disable();
esp_wifi_wps_enable(&config);
esp_wifi_wps_start(0);
break;
case SYSTEM_EVENT_STA_WPS_ER_PIN:
Serial.println("WPS_PIN = " + wpspin2string(info.sta_er_pin.pin_code));
break;
default:
break;
}
}
void setup(){
Serial.begin(115200);
delay(10);
Serial.println();
WiFi.onEvent(WiFiEvent);
WiFi.mode(WIFI_MODE_STA);
Serial.println("Starting WPS");
esp_wifi_wps_enable(&config);
esp_wifi_wps_start(0);
}
void loop(){
//nothing to do here
}