#include <Keypad.h>
#include "ssd1306.h"


// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
// The pins for I2C are defined by the Wire-library. 
// On an arduino UNO:       A4(SDA), A5(SCL)
// On an arduino MEGA 2560: 20(SDA), 21(SCL)
// On an arduino LEONARDO:   2(SDA),  3(SCL), ...

static void textDemo()
{
    ssd1306_setFixedFont(ssd1306xled_font6x8);
    ssd1306_clearScreen();
    ssd1306_printFixed(0,  8, "Normal text", STYLE_NORMAL);
    ssd1306_printFixed(0, 16, "Bold text", STYLE_BOLD);
    ssd1306_printFixed(0, 24, "Italic text", STYLE_ITALIC);
    ssd1306_negativeMode();
    ssd1306_printFixed(0, 32, "Inverted bold", STYLE_BOLD);
    ssd1306_positiveMode();
    delay(3000);
}


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  ssd1306_setFixedFont(ssd1306xled_font6x8);

    ssd1306_128x64_i2c_init();
//    ssd1306_128x64_spi_init(-1, 0, 1);  // Use this line for nano pi (RST not used, 0=CE, gpio1=D/C)
//    ssd1306_128x64_spi_init(3,4,5);     // Use this line for Atmega328p (3=RST, 4=CE, 5=D/C)
//    ssd1306_128x64_spi_init(24, 0, 23); // Use this line for Raspberry  (gpio24=RST, 0=CE, gpio23=D/C)
//    ssd1306_128x64_spi_init(22, 5, 21); // Use this line for ESP32 (VSPI)  (gpio22=RST, gpio5=CE for VSPI, gpio21=D/C)
//    composite_video_128x64_mono_init(); // Use this line for ESP32 with Composite video support

    ssd1306_clearScreen();

}
int loto=0;
 char pulseStr[8];  // enough room for number and \0

void loop() {
  // put your main code here, to run repeatedly:
 //textDemo();
  int sensorValue = analogRead(A6);
  loto++;
  if (loto>10) {
  loto=0;
  }

  ssd1306_printFixed(0,  8, "Normal text" , STYLE_NORMAL);
  
 
// http://www.cplusplus.com/reference/cstdlib/itoa/?kw=itoa
  itoa(loto, pulseStr, 10); 
   ssd1306_printFixed(0,  16, pulseStr, STYLE_NORMAL);

   itoa(sensorValue, pulseStr, 10); 
  ///display.printFixed (0, 8, pulseStr, STYLE_BOLD);
  
 
   ssd1306_printFixed(0,  32, pulseStr, STYLE_NORMAL);

    Serial.println(sensorValue);
 delay(200);
  ssd1306_clearScreen( );
}