hello i am trying to make a simple program .
i want to make edge interrupt with pin PF4 in the tive-c
launchpad (cortex m4) and when i press that button the led blinks .
thats all but i am facing problems i dont know whats wrong but the
program is not working as expected
#include "C:\Keil\ARM\INC\TI\TM4C123\TM4C123GH6PM.h"
void delayMs(int n);
int main(void)
{
SYSCTL->RCGCGPIO |= 0x20; /* enable clock to PORTF */
/* PORTF0 has special function, n
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