Group05_Lab05/lab5.c

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#include <stdint.h>
#include <stdbool.h>
#include "tm4c123gh6pm.h"
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void GPIOIntHandler(void);
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int main(void)
{
SYSCTL_RCGC2_R |= 0x00000020; /* enable clock to GPIOF */
GPIO_PORTF_LOCK_R = 0x4C4F434B; /* unlock commit register */
GPIO_PORTF_CR_R = 0x11; /* make PORTF0 PORTF4 CONFIGURABLE*/
GPIO_PORTF_DEN_R = 0x1F; /* set PORTF pins 5 pins*/
GPIO_PORTF_DIR_R = 0x0E; /* set PORTF0 PORTF4 pin as input user switch pin */
GPIO_PORTF_PUR_R = 0x11; /* PORTF4 PORT0 is pulled up */
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GPIO_PORTF_IM_R = 0x11; /*Masking the ports*/
GPIO_PORTF_IS_R = 0x00;
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GPIO_PORTF_IEV_R = 0x00; /*detects the falling edge of the switch*/
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GPIO_PORTF_IBE_R = 0x00
}
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while(1)
{
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GPIO_PORTF_DATA_R = 0x04;
}
void GPIOIntHandler(void)
{
switch(z)
{
case 0: GPIO_PORTF_DATA_R = 0x02;
break;
case 1: GPIO_PORTF_DATA_R = 0x00;
break;
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default : GPIO_PORTF_DATA_R = 0xFF;
}
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}