//This program displays 07 on the seven segments. The code is in AVR C language.
//Connect the 7-segment module to the upper pins of JA and JB.
//Use AVR Studio IDE and WinAVR to make the hex file.
//For more information see www.microdigitaled.com and www.digilentinc.com

#include <avr/io.h>

#define F_CPU	8000000L	//In cerebot2 XTAL = 8 MHz. (This definition is used in delay.h for making delays)
#include <util/delay.h>		//It provides delay functions

int main ( )
{
	DDRA = 0xFF;	//JA (portA) as output
	DDRC = 0xFF;	//JB (portC) as output

	while (1)
	{
		//Display '0' on the left seven segment
		PORTC = 0x0B;	//JB = 0x0B
		PORTA = 0x0F;	//JA = 0x0F
		_delay_ms(10);	//wait 10ms

		//Display '7' on the right seven segment
		PORTC = 0x00;	//JC = 0
		PORTA = 0x07;	//JA = 0x07
		_delay_ms(10);	//wait 10ms
	}
}