Hi, hmm , i guess that when reading from a pin i should put 1 ok ?
i did that , but what should i do if i wanna read a 5V (1) say from a sensor from that pin ?

e.g


void main(void)
{
pin_5=1;
while(1)
{
if ( pin_5==1 ) // wanna read from a high from a sensor
{
// Blink An LED
}
}