Project 1 - Controlling a DC motor using PWM and monitoring its Running status

#include <avr/io.h>
#define F_CPU 16000000L
#include <util/delay.h>

char seven_seg[10] = {0X3F, 0X06, 0X5B, 0X4F, 0X66, 0X6D, 0X7D, 0X07, 0X7F, 0X6F}; //7 segment

int main(void)
{
DDRC = 0XFF; //Set all port c as output
DDRA = 0XFF; //Set all port a as output
int i=0;
int j=0;
while (1)
{

PORTA = seven_seg[i];
PORTC = seven_seg[j];
for(i=0; i<10; i++)
{
PORTC = seven_seg[i];
for(j=0; j<10; j++)
{
PORTA = seven_seg[j];
_delay_ms(250);
}
}

}
}