/*******************************************************************************************

geiger counter nano OLED 1 sw 2 leds voltmeter v2.12
Created Steve Barth Hungary 2021.
arduino nano and 128*32 oled display
GM detector counts, CPM, Dose meter, voltmeter, Warning, Danger led's, oled display 

********************************************************************************************/

#include <Arduino.h>
#include <Wire.h>                    // wire library for I2C
#include <Adafruit_GFX.h>            // grafical library for OLED
#include <Adafruit_SSD1306.h>        // special library for SSD1306 driver
#include <SPI.h>

#include <Fonts/FreeSansBold9pt7b.h>
#include <Fonts/FreeSansBoldOblique9pt7b.h>

// OLED init
Adafruit_SSD1306 oled(128, 32, & Wire, OLED_RESET);

//****************************   Setup   *************************************//



void setup() 
{
  Serial.begin(9600);
  oled.begin(SSD1306_SWITCHCAPVCC, 0x3D);	// OLED oled initialize 128x64 pixel, if 0x03C 128x32 pixel

  oled.clearDisplay();
  delay(100);
  oled.setTextColor(WHITE);
  oled.setTextSize(1);
  oled.setCursor(34, 6);    // cursor position
  oled.print("Hello");    // screen counts
  oled.display();
  delay(600);  
}

//*********************************   Loop   **********************************//

void loop()
{
    oled.display();
    oled.clearDisplay();
    oled.setTextColor(WHITE);
    oled.setTextSize(1);   

  oled.print("1000"); 
  oled.println(" V"); // print out the value you read:
  delay(2000);
    // SAFE oled
      oled.drawRoundRect(64,0,64,32,0,WHITE);
      oled.setFont(&FreeSansBold9pt7b);
      oled.setCursor(73,21);
      oled.print("SAFE");		
      delay(100);
      oled.setFont();
  
  delay(2000);
      oled.drawRoundRect(64,0,64,32,8,WHITE);
      oled.drawRoundRect(65,1,62,30,3,WHITE);
      oled.setFont(&FreeSansBoldOblique9pt7b);
      oled.setCursor(66,21);
      oled.print("WARN");
      oled.setFont();
  
}