include "TM4C123GH6PM.h"

int main(void) { unsigned int value; SYSCTL->RCGCGPIO |= 0x30; GPIOF->DIR = 0x0E;GPIOE->DIR= 0xFF; GPIOE->DEN= 0xFF; GPIOF->DEN = 0x1E; GPIOF->PUR = 0x10;

while(1) {
value = GPIOF->DATA;

    if(!value)
    {
        GPIOE->DATA = 0xFF;
    }
    else
    {
        GPIOE->DATA = 0x00;
    }

} }

void SystemInit(void) {
SCB->CPACR |= 0x00F00000; } } void delayMs(int n) { int i, j; for(i = 0 ; i < n; i++) for(j = 0; j < 3180; j++) {} / do nothing for 1 ms / }