Function USART_BaudrateGet

bsp/efm32/Libraries/emlib/src/em_usart.c:362–381

/ * @brief * Get current baudrate for USART/UART. * * @details * This function returns the actual baudrate (not considering oscillator * inaccuracies) used by a USART/UART peripheral. * * @param[in] usart * Pointer to USART/UART peripheral register block. * * @return * Current baudrate. ******************************************************************************/

 *   Current baudrate.
 ******************************************************************************/
uint32_t USART_BaudrateGet(USART_TypeDef *usart)
{
  uint32_t          freq;
  USART_OVS_TypeDef ovs;
  bool              syncmode;

  if (usart->CTRL & USART_CTRL_SYNC)
  {
    syncmode = true;
  }
  else
  {
    syncmode = false;
  }

  /* HFPERCLK used to clock all USART/UART peripheral modules */
  freq = CMU_ClockFreqGet(cmuClock_HFPER);
  ovs  = (USART_OVS_TypeDef)(usart->CTRL & _USART_CTRL_OVS_MASK);
  return USART_BaudrateCalc(freq, usart->CLKDIV, syncmode, ovs);
}


/***************************************************************************//**