#include <avr/io.h>
#include <util/delay.h>

#define	SEG_A	0x01
#define	SEG_B	0x02
#define	SEG_C	0x04
#define	SEG_D	0x08
#define	SEG_E	0x10
#define	SEG_F	0x20
#define	SEG_G	0x40
#define	SEG_DP	0x80

#define NUM_0   ~(SEG_A|SEG_B|SEG_C|SEG_D|SEG_E|SEG_F)
#define NUM_1   ~(SEG_B|SEG_C)
#define NUM_2   ~(SEG_A|SEG_B|SEG_D|SEG_E|SEG_G)
#define NUM_3   ~(SEG_A|SEG_B|SEG_C|SEG_D|SEG_G)
#define NUM_4   ~(SEG_B|SEG_C|SEG_F|SEG_G)
#define NUM_5   ~(SEG_A|SEG_F|SEG_G|SEG_C|SEG_D)
#define NUM_6   ~(SEG_A|SEG_C|SEG_D|SEG_E|SEG_F|SEG_G)
#define NUM_7   ~(SEG_A|SEG_B|SEG_C)
#define NUM_8   ~(SEG_A|SEG_B|SEG_C|SEG_D|SEG_E|SEG_F|SEG_G)
#define NUM_9   ~(SEG_A|SEG_B|SEG_C|SEG_D|SEG_F|SEG_G)
#define NUM_A   ~(SEG_A|SEG_B|SEG_C|SEG_E|SEG_F|SEG_G)
#define NUM_B   ~(SEG_C|SEG_D|SEG_E|SEG_F|SEG_G)
#define NUM_C   ~(SEG_D|SEG_E|SEG_G)
#define NUM_D   ~(SEG_G|SEG_B|SEG_C|SEG_D|SEG_E)
#define NUM_E   ~(SEG_A|SEG_D|SEG_E|SEG_F|SEG_G)
#define NUM_F   ~(SEG_A|SEG_E|SEG_F|SEG_G)
 

volatile uint8_t mpx_buffer[16] = { 
NUM_0, NUM_1, NUM_2, NUM_3, NUM_4, NUM_5, NUM_6, NUM_7,
 NUM_8, NUM_9, NUM_A, NUM_B, NUM_C, NUM_D,NUM_E,NUM_F
};
volatile uint8_t mpx_idx=0;

#define MPX_DIG0()		PORTD |= (1<<PD0)
#define MPX_DIG1()		PORTD |= (1<<PD1)
#define MPX_DIG2()		PORTD |= (1<<PD2)
#define MPX_DIG3()    	PORTD |= (1<<PD3)

#define MPX_DIG4()		PORTD |= (1<<PD4)
#define MPX_DIG5()		PORTD |= (1<<PD5)
#define MPX_DIG6()		PORTD |= (1<<PD6)
#define MPX_DIG7()    	PORTD |= (1<<PD7)

#define MPX_DIG8()		PORTA |= (1<<PA0)
#define MPX_DIG9()		PORTA |= (1<<PA1)
#define MPX_DIG10()		PORTA |= (1<<PA2)
#define MPX_DIG11()    	PORTA |= (1<<PA3)

#define MPX_DIG12()		PORTA |= (1<<PA4)
#define MPX_DIG13()		PORTA |= (1<<PA5)
#define MPX_DIG14()		PORTA |= (1<<PA6)
#define MPX_DIG15()    	PORTA |= (1<<PA7)
#define MPX_ALL_OFF()	{PORTD = 0;PORTA = 0; }
int main() {
	DDRC = 0xFF;
	DDRA = 0xFF;
	DDRD = 0xFF;

	PORTD &= ~0xFF;
	PORTA &= ~0xFF;
	PORTC = 0xFF;
	DDRB = 0x0F;

	for(;;) {	
		PORTB++;
		PORTC = mpx_buffer[0];
		MPX_DIG0();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[8];
		MPX_DIG8();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[1];
		MPX_DIG1();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[9];
		MPX_DIG9();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);

		PORTC = mpx_buffer[2];
		MPX_DIG2();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[10];
		MPX_DIG10();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[3];
		MPX_DIG3();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[11];
		MPX_DIG11();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);

		PORTC = mpx_buffer[4];
		MPX_DIG4();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[12];
		MPX_DIG12();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[5];
		MPX_DIG5();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[13];
		MPX_DIG13();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);

		PORTC = mpx_buffer[6];
		MPX_DIG6();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[14];
		MPX_DIG14();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[7];
		MPX_DIG7();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);
		
		PORTC = mpx_buffer[15];
		MPX_DIG15();
		_delay_us(100);
		MPX_ALL_OFF();
		_delay_us(1);






	}
}