/* This function will clear the handler to be called when a SysTick interrupt occurs. */
void SysTickIntUnregister(void)
/* This function will clear the handler to be called when a SysTick interrupt occurs. */
void SysTickIntUnregister(void)
{
    HWREG(NVIC_ST_CTRL) &= ~(NVIC_ST_CTRL_INTEN);
    IntUnregister(FAULT_SYSTICK);
}