/* Enables the SysTick interrupt. 
This function will enable the SysTick interrupt, allowing it to be reflected to the processor. */
void xSysTickIntEnable(void)
/* Enables the SysTick interrupt. 
This function will enable the SysTick interrupt, allowing it to be reflected to the processor. */
void xSysTickIntEnable(void)
{
    xHWREG(NVIC_ST_CTRL) |= NVIC_ST_CTRL_INTEN;
}