clock_manager_error_code_t CLOCK_SYS_GetFreq(clock_names_t clockName,
uint32_t *frequency)
{
clock_manager_error_code_t returnCode = kClockManagerSuccess;
switch (clockName)
{
case kCoreClock:
case kSystemClock:
*frequency = CLOCK_SYS_GetCoreClockFreq();
break;
case kPlatformClock:
*frequency = CLOCK_SYS_GetSystemClockFreq();
break;
case kBusClock:
*frequency = CLOCK_SYS_GetBusClockFreq();
break;
case kFlexBusClock:
*frequency = CLOCK_SYS_GetFlexbusFreq();
break;
case kFlashClock:
*frequency = CLOCK_SYS_GetFlashClockFreq();
break;
case kOsc32kClock:
*frequency = CLOCK_SYS_GetExternalRefClock32kFreq();
break;
case kOsc0ErClock:
*frequency = CLOCK_SYS_GetOsc0ExternalRefClockFreq();
break;
case kRtcoutClock:
*frequency = CLOCK_SYS_GetRtcOutFreq();
break;
case kMcgFfClock:
*frequency = CLOCK_SYS_GetFixedFreqClockFreq();
break;
case kMcgFllClock:
*frequency = CLOCK_HAL_GetFllClk(MCG_BASE);
break;
case kMcgPll0Clock:
*frequency = CLOCK_HAL_GetPll0Clk(MCG_BASE);
break;
case kMcgOutClock:
*frequency = CLOCK_HAL_GetOutClk(MCG_BASE);
break;
case kMcgIrClock:
*frequency = CLOCK_HAL_GetInternalRefClk(MCG_BASE);
break;
case kLpoClock:
*frequency = CLOCK_SYS_GetLpoClockFreq();
break;
default:
*frequency = 0U;
returnCode = kClockManagerNoSuchClockName;
break;
}
return returnCode;
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_GetTraceFreq
* Description : Gets debug trace clock frequency.
* This function gets the debug trace clock frequency.
*
*END**************************************************************************/
uint32_t CLOCK_SYS_GetTraceFreq(uint32_t instance)
{
clock_trace_src_t src = CLOCK_HAL_GetTraceClkSrc(SIM);
if (kClockTraceSrcMcgoutClk == src)
{
return CLOCK_HAL_GetOutClk(MCG);
}
else
{
return CLOCK_SYS_GetCoreClockFreq();
}
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_GetSystemClockFreq
* Description : Gets the systen clock frequency.
* This function gets the systen clock frequency.
*
*END**************************************************************************/
uint32_t CLOCK_SYS_GetSystemClockFreq(void)
{
return CLOCK_HAL_GetOutClk(MCG) / (CLOCK_HAL_GetOutDiv1(SIM) + 1);
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_GetFlashClockFreq
* Description : Gets the flash clock frequency.
* This function gets the flash clock frequency.
*
*END**************************************************************************/
uint32_t CLOCK_SYS_GetFlashClockFreq(void)
{
return CLOCK_HAL_GetOutClk(MCG) / (CLOCK_HAL_GetOutDiv4(SIM) + 1);
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_GetFlexbusFreq
* Description : Gets the clock frequency for FLEXBUS module
* This function gets the clock frequency for FLEXBUS module.
*
*END**************************************************************************/
uint32_t CLOCK_SYS_GetFlexbusFreq(void)
{
return CLOCK_HAL_GetOutClk(MCG_BASE) / (CLOCK_HAL_GetOutDiv3(SIM_BASE) + 1);
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_GetBusClockFreq
* Description : Gets the bus clock frequency.
* This function gets the bus clock frequency.
*
*END**************************************************************************/
uint32_t CLOCK_SYS_GetBusClockFreq(void)
{
return CLOCK_HAL_GetOutClk(MCG_BASE) / (CLOCK_HAL_GetOutDiv2(SIM_BASE) + 1);
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_GetBusClockFreq
* Description : Gets the bus clock frequency.
* This function gets the bus clock frequency.
*
*END**************************************************************************/
uint32_t CLOCK_SYS_GetBusClockFreq(void)
{
return CLOCK_HAL_GetOutClk(MCG) / ((CLOCK_HAL_GetOutDiv1(SIM) + 1) *(CLOCK_HAL_GetOutDiv4(SIM) + 1));
}
