#include <DHT.h>
DHT sensor(PA0, DHT22);
#define bt PB1

boolean a=true;
boolean b=true;

void setup() {

  pinMode(PB1,INPUT);
  pinMode(PD2,OUTPUT);
  attachInterrupt(digitalPinToInterrupt(PB1),jetzt, RISING);

  Serial.begin(115200);
  Serial.println("Hello, STM32!");

}

  float temp;
  float atmo;
  

void loop() {
  
  delay(100);

  temp =sensor.readTemperature();
  atmo =sensor.readHumidity();


 if(a){
    
    if(temp>30){
      digitalWrite(PD2, HIGH);
      delay(250);
      digitalWrite(PD2, LOW);
      delay(250);
      digitalWrite(PD2, HIGH);
      delay(250);
      digitalWrite(PD2, LOW);
      delay(250);
      Serial.print("Temperatur:");
      Serial.println(temp);
    }else{
      digitalWrite(PD2, HIGH);
      delay(500);
      digitalWrite(PD2, LOW);
      delay(500);
      Serial.print("Temperatur:");
      Serial.println(temp);
    }
 }

  if(!a){
    
    if(atmo<50){
      digitalWrite(PD2, HIGH);
      delay(250);
      digitalWrite(PD2, LOW);
      delay(250);
      digitalWrite(PD2, HIGH);
      delay(250);
      digitalWrite(PD2, LOW);
      delay(250);
      Serial.print("Humidity:");
      Serial.println(atmo);
    }else{
      digitalWrite(PD2, HIGH);
      delay(500);
      digitalWrite(PD2, LOW);
      delay(500);
      Serial.print("Humidity:");
      Serial.println(atmo);
    }
 }
}


void jetzt(){

  a=!a;

}