// Error LED = PORTD.7 (Wenn I2C Slave nicht gefunden)


//LCD_CMD_PORT		PORTC		// Command Output Register
//LCD_CMD_DIR		DDRC		// Data Direction Register for Command Port

//LCD_DATA_IN		PINA		// Data Input Register
//LCD_DATA_OUT		PORTA		// Data Output Register
//LCD_DATA_DIR		DDRA		// Data Direction Register for Data Port

//D_I				PC3		// D/I Bit Number
//R_W				PC4		// R/W Bit Number
//EN				PC5		// EN Bit Number
//CSEL1				PC6		// CS1 Bit Number
//CSEL2				PC7		// CS2 Bit Number
//Displaybeleuchtung PORTD.5



/* Joystick

PORTD.1
PORTD.0
PORTD.3

*/

#define F_CPU 16000000



#include "ks0108.h"  
#include "i2cmaster.h"
#include "Courier_New.h"
#include "Akku.h"
#include "Logo.h"
#include "Courier_New_40.h"
#include "Courier_New_20.h"
#include "RTC8564.h"
#include <util/delay.h>
#include <avr/interrupt.h>



int SlaveError;

unsigned char Sekunden;
unsigned char Minuten;
unsigned char Stunden;
unsigned char Jahr;
unsigned char Monat;
unsigned char Tag;
unsigned char Tag_Name;

int Counter;

void TimeToString(uint8_t Stunden, uint8_t Minuten, uint8_t Sekunden);
void DateToString(uint8_t Tag, uint8_t Monat, uint8_t Jahr, uint8_t Tag_Name);
void Akku_Laden();


// Interrupt Service Routine fuer Timer1
ISR(TIMER1_OVF_vect) 

{
	TCNT1 = 50000;         //Zaehlregister mit Vorladewert V vorladen / Berechnung: siehe unten
	//PORTD ^= _BV(PD7);    //LED toggeln
	
	
     if( !(PIND & PD1) || !(PIND & PD3) )   
    {
	 PORTD &= ~(1<<PD7);
	}
	 else                   // keine von beiden gedrückt
    {
	 PORTD |= (1<<PD7);
	}

}


int main(void)

{
		DDRD |= (1<<PD7) | (1<<PD5);
	    PORTD |= (1<<PD3) | (1<<PD1);	
		

	

		PORTD |= (1<<PD7); 
		PORTD |= (1<<PD5);
		
		sei(); 
		    
		TIMSK |= (1<<TOIE1);
		TCCR1B |= (1<<CS11) |  (1<<CS10);
		TCNT1 = 0xFFFF;         
		
		
		ks0108Init(0);
		i2c_init();
		
		//Uhrzeit(0x21,0x20,0x10);
		//Datum(0xXX, 0xXX, 0xXX);
		//CLKOUT(F_1Hz);


		
		ks0108LoadBitmap((unsigned char*)Logo);
		_delay_ms(5000);
		
		ks0108ClearScreen();
		
		Akku_Laden();
		 
		 SlaveError = i2c_start(RX8564+I2C_WRITE);
	
if ( SlaveError )							
	
{
		
		i2c_stop();
		PORTD = (1<<PD7); 			
	
}
				
		i2c_stop();	
		
		
		
	while(1) 
	
{ 






	
		 i2c_start_wait(RX8564+I2C_WRITE);
		 i2c_write(0x02);
		 i2c_rep_start(RX8564+I2C_READ);
		 Sekunden = i2c_readAck();
		 Minuten  = i2c_readAck();   
		 Stunden = i2c_readAck();
		 Tag= i2c_readAck();
		 Tag_Name = i2c_readAck();
		 Monat =i2c_readAck();
		 Jahr = i2c_readNak();
		 i2c_stop();

		 Sekunden &= 0x7F;
		 Minuten &= 0x7F;
		 Stunden &= 0x3F;
		 
		 Tag &= 0x3F;
		 Monat &= 0x1F;
		 Tag_Name &= 0x07;

		 DateToString(Tag, Monat, Jahr, Tag_Name);
		 TimeToString(Sekunden, Minuten,Stunden);
		 
		 

}//Ende While

}// Ende Main


void Akku_Laden()

{
		
	for (Counter = 0 ; Counter < 5 ; Counter ++)

	{
				
		ks0108LoadBitmap((unsigned char*)Akku);

		_delay_ms(2000);
		ks0108ClearScreen();

		_delay_ms(1000);
			
	}


}