/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_SetSimConfigration
* Description : This funtion sets the SIM registers for clock transitiom.
*
*END**************************************************************************/
void CLOCK_SYS_SetSimConfigration(sim_config_t const *simConfig)
{
CLOCK_HAL_SetOutDiv(SIM,
simConfig->outdiv1,
0U,
0U,
simConfig->outdiv4);
CLOCK_HAL_SetExternalRefClock32kSrc(SIM, simConfig->er32kSrc);
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_SetSimConfigration
* Description : This funtion sets the SIM registers for clock transitiom.
*
*END**************************************************************************/
static void CLOCK_SYS_SetSimConfigration(sim_config_t const *simConfig)
{
CLOCK_HAL_SetOutDiv(SIM_BASE,
simConfig->outdiv1,
simConfig->outdiv2,
simConfig->outdiv3,
simConfig->outdiv4);
CLOCK_HAL_SetPllfllSel(SIM_BASE, simConfig->PllFllSel);
CLOCK_HAL_SetExternalRefClock32kSrc(SIM_BASE, simConfig->er32kSrc);
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_SetSimConfigration
* Description : This funtion sets the SIM registers for clock transitiom.
*
*END**************************************************************************/
void CLOCK_SYS_SetSimConfigration(sim_config_t const *simConfig)
{
CLOCK_HAL_SetOutDiv(SIM,
simConfig->outdiv1,
0U,
0U,
simConfig->outdiv4);
#if FSL_FEATURE_MCG_HAS_PLL_FLL_SELECTION
CLOCK_HAL_SetPllfllSel(SIM, simConfig->pllFllSel);
#endif
CLOCK_HAL_SetExternalRefClock32kSrc(SIM, simConfig->er32kSrc);
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_SetConfiguration
* Description : This funtion sets the system to target configuration, it
* only sets the clock modules registers for clock mode change, but not send
* notifications to drivers.
*
*END**************************************************************************/
clock_manager_error_code_t CLOCK_SYS_SetConfiguration(clock_manager_user_config_t const* config)
{
assert(NULL != config);
/* Set outdiv for safe output clock frequency. */
CLOCK_HAL_SetOutDiv(SIM_BASE, 0U, 1U, 1U, 4U);
/* Set MCG mode. */
CLOCK_SYS_SetMcgMode(&config->mcgConfig, CLOCK_SYS_FllStableDelay);
/* Set SIM setting. */
CLOCK_SYS_SetSimConfigration(&config->simConfig);
/* Set OSCERCLK setting. */
CLOCK_SYS_SetOscerConfigration(0, &config->oscerConfig);
return kClockManagerSuccess;
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_SYS_GetFreq
* Description : Internal function to get the frequency by clock name
* This function will get/calculate the clock frequency based on clock name
* and current configuration of clock generator.
*
*END**************************************************************************/
clock_manager_error_code_t CLOCK_SYS_SetConfiguration(clock_manager_user_config_t const* config)
{
assert(NULL != config);
/* Set outdiv for safe output clock frequency. */
CLOCK_HAL_SetOutDiv(SIM, 2U, 0U, 0U, 5U);
/* Set MCG mode. */
CLOCK_SYS_SetMcgMode(&config->mcgConfig);
/* Set SIM setting. */
CLOCK_SYS_SetSimConfigration(&config->simConfig);
/* Set OSCERCLK setting. */
CLOCK_SYS_SetOscerConfigration(0, &config->oscerConfig);
SystemCoreClock = CLOCK_SYS_GetCoreClockFreq();
return kClockManagerSuccess;
}