36 lines
854 B
C
36 lines
854 B
C
#include <stdint.h>
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#include <stdbool.h>
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#include "tm4c123gh6pm.h"
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int main(void)
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{
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SYSCTL_RCGC2_R |= 0x00000020; /* enable clock to GPIOF */
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GPIO_PORTF_LOCK_R = 0x4C4F434B; /* unlock commit register */
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GPIO_PORTF_CR_R = 0x1F; /* make PORTF0 configurable */
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GPIO_PORTF_DEN_R = 0x1E; /* set PORTF pins 4 pin */
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GPIO_PORTF_DIR_R = 0x0E; /* set PORTF4 pin as input user switch pin */
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GPIO_PORTF_PUR_R = 0x10; /* PORTF4 is pulled up */
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long int x;
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while(1)
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{
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//TURN ON LED
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x=0;
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GPIO_PORTF_DATA_R = 0x02;
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//WAIT FOR 500ms
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while(x<6677)
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x++;
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//TURN OFF LED
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x=0;
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GPIO_PORTF_DATA_R = 0x00;
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//WAIT FOR 500ms
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while(x<6677)
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x++;
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}
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}
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