//#include <stdlib.h>

#include <U8glib.h>
#include <dht.h>

dht DHT;

#define DHT22_PIN 5

U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_DEV_0 | U8G_I2C_OPT_NO_ACK | U8G_I2C_OPT_FAST); // Fast I2C / TWI

int progress = 0;
//int temperatur = 0;

String tmp_string ="";


void setup() {
  Serial.begin(115200);
  u8g.setFont(u8g_font_tpssb);
  u8g.setColorIndex(1);
  // progress = skalierung();
  Serial.println("Starte Aufzeichnung");
  //Serial.println(progress);
}

void loop() {
  
  progress = skalierung();
  //Serial.println(progress);
  u8g.firstPage();
  do {
    u8g.drawStr(25, 41, "Thermometer");
    u8g.drawFrame(0, 10, 128, 20);
    u8g.drawBox(10, 15, progress, 10);
    //u8g.drawStr(50, 55, tmp_string);
  } while ( u8g.nextPage() );

  
}

int skalierung(){
  
  DHT.read2302(DHT22_PIN);
  delay(500);
  float i = (DHT.temperature);
  //itoa(i, tmp_string, 10);
  tmp_string = String(i);
  Serial.println(tmp_string);  
  return map(i, 12, 30, 0, 108); //map(value, fromLow, fromHigh, toLow, toHigh);
}