#include <OneWire.h>
#include <DallasTemperature.h>
#include <TinyWireM.h>
#include <Tiny4kOLED.h>
#include <TinyDebug.h>

#define ONE_WIRE_BUS 3 // PB3

// Setup a oneWire instance to communicate with any OneWire devices
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature sensor
DallasTemperature sensors(&oneWire);

void setup() {
  Debug.begin();

  sensors.begin();

  oled.begin(128, 64, sizeof(tiny4koled_init_128x64br), tiny4koled_init_128x64br);
  oled.enableChargePump(); // Most display require to display properly
  oled.clear();            // Clear the memory before turning on the display
  oled.on();               // Turn on the display

  oled.setFont(FONT6X8P); // Two fonts are supplied with this library, FONT8X16 and FONT6X8
  oled.setCursor(0, 0);
  oled.print("Celsius temperature: ");
}

unsigned long t0 = 0;
unsigned long t1 = 0;

void loop() {
  t1 = millis();

  if (t1 - t0 > 1000) {
    t0 = t1;

    sensors.requestTemperatures(); // request temperature from all sensors on the bus

    // Debug.print("Celsius temperature: ");
    // Debug.println(sensors.getTempCByIndex(0)); // temp from sensor idx=0

    oled.setFont(FONT8X16P); // Two fonts are supplied with this library, FONT8X16 and FONT6X8
    oled.setCursor(0, 3);
    oled.print(sensors.getTempCByIndex(0)); // temp from sensor idx=0
  }

}