losungepaper/wifi.ino

38 lines
1.1 KiB
C++
Executable File

#include <WiFi.h>
#include "time.h"
void blinkLED(int pin) {
pinMode(pin, OUTPUT);
delay(500);
digitalWrite(pin,HIGH);
delay(500);
digitalWrite(pin,LOW);
delay(500);
digitalWrite(pin,HIGH);
delay(500);
digitalWrite(pin,LOW);
}
bool connectWiFi() { // connect to the wifi with the above defined credentials
if(WiFi.status() == WL_CONNECTED) { return true; } // return if not connected
Serial.print("[WiFi] Connecting to WiFi...");
WiFi.begin(wiFiSSID, wiFiPSK);
while(WiFi.status() != WL_CONNECTED) {
delay(2000); Serial.printf(".");
if(WiFi.status() == WL_NO_SSID_AVAIL) {
Serial.printf("\n[WiFi] Failed to connect to WiFi \"%s\". Reason: WL_NO_SSID_AVAIL\n", wiFiSSID);
blinkLED(LED_ON_WIFI_ERROR);
return false;
} else if(WiFi.status() == WL_CONNECT_FAILED) {
Serial.printf("\n[WiFi] Failed to connect to WiFi \"%s\". Reason: WL_CONNECT_FAILED\n", wiFiSSID);
blinkLED(LED_ON_WIFI_ERROR);
return false;
}
}
Serial.printf("\n[WiFi] Connected to WiFi \"%s\", got IP-Adress ", wiFiSSID);
Serial.println(WiFi.localIP());
return true;
}