no i dont have any schematic .....
i am a beginner in c i have tried to write a program to drive a 4 digit seven segment led display using msp430g2231 and display BALL now i want to scroll the digits , the program i have written just to display the four digits is
#include<msp430g2231.h>
void delay_ms(unsigned int i)
{
int j,a;
for(a=0; a<=i; a++)
for(j=0; j<=100; j++);
}
void main(void)
{
WDTCTL = WDTPW + WDTHOLD;
P1DIR = 0XFF;
P2SEL = 0X3F;
P2DIR = 0XC0;
for(;
{
P2OUT = 0X00;
P1OUT = 0XFF;
delay_ms(5);
P2OUT = 0X40;
P1OUT = 0XFD;
delay_ms(5);
P2OUT = 0X80;
P1OUT = 0X43;
delay_ms(5);
P2OUT = 0XC0;
P1OUT = 0X43;
delay_ms(5);
}
}
now how do ii scroll these digits....