/*

https://github.com/NeiroNx/RTCLib
A library that makes interfacing 
DS1302, DS1307, DS3231, PCF8583, PCF8563, 
RTC_Millis Real Time Clock modules easy.

https://github.com/avishorp/TM1637
Arduino library for TM1637 (LED Driver)

*/

#include <RTClib.h>
#include "TM1637Display.h"

#define CLK1 9
#define DIO1 10
#define CLK2 11
#define DIO2 12

// DS1302 rtc(ce_pin, sck_pin, io_pin);
DS1302 rtc(5, 7, 6);

TM1637Display display1(CLK1, DIO1);
TM1637Display display2(CLK2, DIO2);

uint8_t prev_second;
const char data[] = "Hello World";

void setup() 
{
    rtc.begin();

    Serial.begin(115200);

    display1.setBrightness(7);
    display2.setBrightness(7);
    
    rtc.adjust(DateTime(__DATE__, __TIME__));

    for (int i = 0; i < 11; ++i)
    {
        rtc.writeram(i, data[i]);
    }
}

void loop() 
{
    DateTime now = rtc.now();

    if (now.second() != prev_second)
    {
        prev_second = now.second();

        char buf[20];
        uint8_t ram[DS1302_RAMSIZE];
        for (int i = 0; i < 11; ++i)
        {
            ram[i] = rtc.readram(i);
        }

        Serial.print((const char*)ram);
        Serial.print(' ');
        Serial.println(now.tostr(buf));
    }

    display1.showNumberDec(now.hour(), 0x80, 2, 2);
    display2.showNumberDecEx(now.minute(), 0x80, 2, 2);
    display2.showNumberDecEx(now.second(), 0x80, true, 2, 2);

    delay(100);
}