lab2-2-2.c
526 Bytes
#include<wiringPi.h>
#define LED_ON 1
#define LED_OFF 0
const int Led[16]={4,17,18,27,22,23,24,25,6,12,13,16,19,20,26,21};
void LEDControl(int pinnum){
int i;
for(i=0;i<16;i++){
if(i==pinnum || i==pinnum+1)
digitalWrite(Led[i],LED_ON);
else
digitalWrite(Led[i],LED_OFF);
}
}
int main(void){
int i;
if(wiringPiSetupGpio()==-1)
return 1;
for(i=0;i<16;i++){
pinMode(Led[i],OUTPUT);
digitalWrite(Led[i],LED_OFF);
}
while(1){
for(i=0;i<16;i+=2){
LEDControl(i);
delay(500);
}
}
return 0;
}