/*FUNCTION**********************************************************************
*
* Function Name : CCM_GetDivider
* Description : Get root clock divider
*
*END**************************************************************************/
void CCM_GetRootDivider(CCM_Type * base, uint32_t ccmRoot, uint32_t *pre, uint32_t *post)
{
assert (pre && post);
*pre = (CCM_REG(ccmRoot) & CCM_TARGET_ROOT_PRE_PODF_MASK) >> CCM_TARGET_ROOT_PRE_PODF_SHIFT;
*post = (CCM_REG(ccmRoot) & CCM_TARGET_ROOT_POST_PODF_MASK) >> CCM_TARGET_ROOT_POST_PODF_SHIFT;
}
/*FUNCTION**********************************************************************
*
* Function Name : CCM_UpdateRoot
* Description : Update clock root in one step, for dynamical clock switching
*
*END**************************************************************************/
void CCM_UpdateRoot(CCM_Type * base, uint32_t ccmRoot, uint32_t mux, uint32_t pre, uint32_t post)
{
assert (pre < 8);
assert (post < 64);
CCM_REG(ccmRoot) = (CCM_REG(ccmRoot) &
(~(CCM_TARGET_ROOT_MUX_MASK | CCM_TARGET_ROOT_PRE_PODF_MASK | CCM_TARGET_ROOT_POST_PODF_MASK))) |
CCM_TARGET_ROOT_MUX(mux) | CCM_TARGET_ROOT_PRE_PODF(pre) | CCM_TARGET_ROOT_POST_PODF(post);
}
/*FUNCTION**********************************************************************
*
* Function Name : CCM_SetDivider
* Description : Set root clock divider
*
*END**************************************************************************/
void CCM_SetRootDivider(CCM_Type * base, uint32_t ccmRoot, uint32_t pre, uint32_t post)
{
assert (pre < 8);
assert (post < 64);
CCM_REG(ccmRoot) = (CCM_REG(ccmRoot) &
(~(CCM_TARGET_ROOT_PRE_PODF_MASK | CCM_TARGET_ROOT_POST_PODF_MASK))) |
CCM_TARGET_ROOT_PRE_PODF(pre) | CCM_TARGET_ROOT_POST_PODF(post);
}
