/* Configures the SysTick to generate an interrupt each 1 millisecond.  */
void SysTick_Configuration(void)
/* Configures the SysTick to generate an interrupt each 1 millisecond.  */
void SysTick_Configuration(void)
{
  if (SysTick_Config(SystemCoreClock / 1000))
  { 
    while (1);
  }
  NVIC_SetPriority(SysTick_IRQn, 0x0C);
}