m5stack-wifi.ino

#include <WiFi.h>
const char* ssid = "YOURSSID";
const char* password = "YOURPW";

void setup()
{
  M5.begin();
  WiFi.disconnect();
  delay(1000);
  M5.Lcd.println("START");
  WiFi.begin(ssid,password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(300);
  }
  M5.Lcd.println("connected");
  M5.Lcd.println((WiFi.localIP())); 
}