Svenska ElektronikForumet

Kod: Markera allt

#include <OneWire.h>
#include <DallasTemperature.h>
#include <SPI.h><br>#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define OLED_RESET 4 
Adafruit_SSD1306 display(OLED_RESET);
#define ONE_WIRE_BUS 4

OneWire oneWire(ONE_WIRE_BUS);

DallasTemperature sensors(&oneWire);

const byte buttonPin = 8;

int buttonPushCounter = 0;   // counter for the number of button presses
boolean buttonState = LOW;         // current state of the button
boolean lastButtonState = LOW;     // previous state of the button

// lcd constructor made global in scope so the whole program can sse it


void setup()
{
  Serial.begin(9600);
display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  pinMode(buttonPin, INPUT);
 sensors.begin();
}


void loop()
{
sensors.requestTemperatures(); 
float T = sensors.getTempCByIndex(0);  // let T be temperature in degC from sensor<br>// floating-point number, with a decimal point
String sT = String(T, 1);




  
  // read the pushbutton input pin:
  buttonState = digitalRead(buttonPin);
  // compare the buttonState to its previous state
  if (buttonState != lastButtonState)
  {
    if (buttonState == HIGH)
    {
      // if the current state is HIGH then the button
      // went from off to on:
      buttonPushCounter++;  // add one to counter
      delay (100);
      display.clearDisplay(); 
      if (buttonPushCounter > 4) // if couter over 3 reset the counter to 1 to show "Jon"
                                 // and not "Hello All"
      {
        buttonPushCounter = 1;
      }
      switch (buttonPushCounter) // choose what to display based on buttonPushCounter value
      {
        case 1:
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(WHITE); 
display.setCursor(0,0);
display.println("Vattentemp: ");   // display temperature in deg Celsius
display.setCursor(0,10);
display.setTextSize(3);
display.print(sT);
display.print(" ");
display.cp437(true);      // code page 437
display.write(167);       // character 167 is degree
display.println("C");
display.display();    // for the changes to make effect
          break;
       
        
        
        
        case 2:
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(WHITE); 
display.setCursor(0,0);
display.println("Yttertemp: ");   // display temperature in deg Celsius
display.setCursor(0,10);
display.setTextSize(3);
display.print("20.0");
display.print(" ");
display.cp437(true);      // code page 437
display.write(167);       // character 167 is degree
display.println("C");
display.display();    // for the changes to make effect
          break;
        
        
        
        
        
        case 3:
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(WHITE); 
display.setCursor(0,0);
display.println("Rokgastemp ");   // display temperature in deg Celsius
display.setCursor(0,10);
display.setTextSize(3);
display.print("360");
display.print(" ");
display.cp437(true);      // code page 437
display.write(167);       // character 167 is degree
display.println("C");
display.display();    // for the changes to make effect
          break;
        
        
        
        
        
        
        case 4:
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(WHITE); 
display.setCursor(0,0);
display.println("Tid sedan rening: ");   // display temperature in deg Celsius
display.setCursor(0,10);
display.setTextSize(3);
display.print("32");
display.print(" ");
display.println("min");
display.display();    // for the changes to make effect
          break;
      }
    }
    // save the current state as the last state,
    //for next time through the loop
    lastButtonState = buttonState;
    delay (100);
  }

}