Group21_Lab5/main.c

9 lines
504 B
C

#include <stdint.h>
#include <stdbool.h>
#include "tm4c123gh6pm.h"
// SysTick memory-mapped registers
#define STCTRL *((volatile uint32_t *) 0xE000E010) // CONTROL AND STATUS
#define STRELOAD *((volatile uint32_t *) 0xE000E014) // RELOAD VALUE
#define STCURRENT *((volatile uint32_t *) 0xE000E018) // CURRENT VALUE
#define CLOCK_HZ 16000000 // CLOCK FREQUENCY OF EK-TM4C123GXL
#define SYSTICK_RELOAD_VALUE(us) ((CLOCK_HZ / 1000000) * (us) - 1) // SYSTICK RELOAD VALUE