#include "LIGHT_ON_OFF.h";
void setup() {
  // put your setup code here, to run once:
        set_port_direction();
        
}

void loop() {
  // put your main code here, to run repeatedly:
    volatile char x;
    x=switch_1();
    if((x & 0x01)==0x01)
    {
    LED_ON_OFF(1);
    }

}