/* Returns the clock source used as LPUART clock.  */
uint32_t RCC_GetLPUARTClkSrc(void)
/* Returns the clock source used as LPUART clock.  */
uint32_t RCC_GetLPUARTClkSrc(void)
{
    return ((uint32_t)(RCC->RDCTRL & RDCTRL_LPUARTCLKSEL_MASK));
}