/* SysTick Read the Counter Flag. 
The count flag is set when the timer count becomes zero, and is cleared when the flag is read. */
uint8_t systick_get_countflag(void)
/* SysTick Read the Counter Flag. 
The count flag is set when the timer count becomes zero, and is cleared when the flag is read. */
uint8_t systick_get_countflag(void)
{
	return (STK_CSR & STK_CSR_COUNTFLAG) ? 1 : 0;
}