Function CMU_DBGClkGet

bsp/efm32/Libraries/emlib/src/em_cmu.c:305–334

/ * @brief * Get the Debug Trace clock frequency * * @return * Debug Trace frequency in Hz ******************************************************************************/

 *   Debug Trace frequency in Hz
 ******************************************************************************/
static uint32_t CMU_DBGClkGet(void)
{
  uint32_t ret;
  CMU_Select_TypeDef clk;

  /* Get selected clock source */
  clk = CMU_ClockSelectGet(cmuClock_DBG);

  switch(clk)
  {
  case cmuSelect_HFCLK:
    ret = SystemHFClockGet();
#if defined(_EFM32_GIANT_FAMILY)
    /* Giant Gecko has an additional divider, not used by USBC */
    ret = ret / (1 + ((CMU->CTRL & _CMU_CTRL_HFCLKDIV_MASK) >>
                      _CMU_CTRL_HFCLKDIV_SHIFT));
#endif
    break;

  case cmuSelect_AUXHFRCO:
    ret = CMU_AUXClkGet();
    break;

  default:
    EFM_ASSERT(0);
    ret = 0;
    break;
  }
  return ret;
}


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