#include "RTClib.h"
#include <Wire.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_GFX.h>
#include <MD_DS1307.h>
#include "ds1307.h"

RTC_DS1307 rtc;
MD_DS1307 ds1307;
Adafruit_SSD1306 display( 128, 64);   // 128 pixels width, 64 pixels height

#define LED_PIN   6
#define LED_COUNT 1


void setup()
{
  Serial.begin(115200);
  
  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }

  // Initialize the OLED display and test if it is connected.
  if( !display.begin( SSD1306_SWITCHCAPVCC, 0x3C)) 
  {
    Serial.println(F( "SSD1306 allocation failed"));
    for(;;);                                   // halt the sketch if error encountered
  }
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(WHITE);
  
  byte b = 10;
  // ds1307.writeRAM(0x08,datas,56);
  // ds1307.readRAM(0x08,datas,56);
  // //Serial.println(b);delay(1000);
  // for(byte i= 0; i<56; i++){
  //   Serial.println(datas[i]);
  // }
   uint8_t datas[56];// = {'o','b','c','d','e','f','g','h'};
  uint8_t datas1[56];
 
  for(byte i=0; i<56;i++){
    datas[i] = i;
    //Serial.println(datas[i]);
  }

  DS1307writeNVRAM(datas,56);
  
  DS1307readNVRAM(datas1,56);
  for(byte i= 0; i<56; i++){
    Serial.println(datas1[i]);
  }
}

void loop()
{
  DateTime now = rtc.now();
  display.clearDisplay();
  display.setCursor(40, 10);
  display.print(now.hour(),DEC);
  display.print(":");
  display.print(now.minute(),DEC);
  byte sec = now.second();
  display.print(sec % 2 ? ":" : " ");
  sec < 10 ? display.print(0,DEC),display.print(sec,DEC):display.print(sec,DEC);
  //display.drawPixel(p, 10, SSD1306_WHITE);

  display.display();
  
  delay(1000);
            // update new values to NeoPixel
}