/**
* @brief De-initialize registers of all ADC instances belonging to
* the same ADC common instance to their default reset values.
* @param ADCxy_COMMON ADC common instance
* (can be set directly from CMSIS definition or by using helper macro @ref __LL_ADC_COMMON_INSTANCE() )
* @retval An ErrorStatus enumeration value:
* - SUCCESS: ADC common registers are de-initialized
* - ERROR: not applicable
*/
ErrorStatus LL_ADC_CommonDeInit(ADC_Common_TypeDef *ADCxy_COMMON)
{
/* Check the parameters */
assert_param(IS_ADC_COMMON_INSTANCE(ADCxy_COMMON));
/* Force reset of ADC clock (core clock) */
LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_ADC1);
/* Release reset of ADC clock (core clock) */
LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_ADC1);
return SUCCESS;
}
/**
* @brief Initialize some features of ADC common parameters
* (all ADC instances belonging to the same ADC common instance)
* and multimode (for devices with several ADC instances available).
* @note The setting of ADC common parameters is conditioned to
* ADC instances state:
* All ADC instances belonging to the same ADC common instance
* must be disabled.
* @param ADCxy_COMMON ADC common instance
* (can be set directly from CMSIS definition or by using helper macro @ref __LL_ADC_COMMON_INSTANCE() )
* @param ADC_CommonInitStruct Pointer to a @ref LL_ADC_CommonInitTypeDef structure
* @retval An ErrorStatus enumeration value:
* - SUCCESS: ADC common registers are initialized
* - ERROR: ADC common registers are not initialized
*/
ErrorStatus LL_ADC_CommonInit(ADC_Common_TypeDef *ADCxy_COMMON, LL_ADC_CommonInitTypeDef *ADC_CommonInitStruct)
{
ErrorStatus status = SUCCESS;
/* Check the parameters */
assert_param(IS_ADC_COMMON_INSTANCE(ADCxy_COMMON));
#if defined(ADC_MULTIMODE_SUPPORT)
assert_param(IS_LL_ADC_MULTI_MODE(ADC_CommonInitStruct->Multimode));
#endif /* ADC_MULTIMODE_SUPPORT */
/* Note: Hardware constraint (refer to description of functions */
/* "LL_ADC_SetCommonXXX()" and "LL_ADC_SetMultiXXX()"): */
/* On this STM32 serie, setting of these features is conditioned to */
/* ADC state: */
/* All ADC instances of the ADC common group must be disabled. */
if(__LL_ADC_IS_ENABLED_ALL_COMMON_INSTANCE(ADCxy_COMMON) == 0U)
{
/* Configuration of ADC hierarchical scope: */
/* - common to several ADC */
/* (all ADC instances belonging to the same ADC common instance) */
/* - multimode (if several ADC instances available on the */
/* selected device) */
/* - Set ADC multimode configuration */
/* - Set ADC multimode DMA transfer */
/* - Set ADC multimode: delay between 2 sampling phases */
#if defined(ADC_MULTIMODE_SUPPORT)
if(ADC_CommonInitStruct->Multimode != LL_ADC_MULTI_INDEPENDENT)
{
MODIFY_REG(ADCxy_COMMON->CR1,
ADC_CR1_DUALMOD,
ADC_CommonInitStruct->Multimode
);
}
else
{
MODIFY_REG(ADCxy_COMMON->CR1,
ADC_CR1_DUALMOD,
LL_ADC_MULTI_INDEPENDENT
);
}
#endif
}
else
{
/* Initialization error: One or several ADC instances belonging to */
/* the same ADC common instance are not disabled. */
status = ERROR;
}
return status;
}
/**
* @brief Initialize some features of ADC common parameters
* (all ADC instances belonging to the same ADC common instance)
* and multimode (for devices with several ADC instances available).
* @note The setting of ADC common parameters is conditioned to
* ADC instances state:
* All ADC instances belonging to the same ADC common instance
* must be disabled.
* @param ADCxy_COMMON ADC common instance
* (can be set directly from CMSIS definition or by using helper macro @ref __LL_ADC_COMMON_INSTANCE() )
* @param ADC_CommonInitStruct Pointer to a @ref LL_ADC_CommonInitTypeDef structure
* @retval An ErrorStatus enumeration value:
* - SUCCESS: ADC common registers are initialized
* - ERROR: ADC common registers are not initialized
*/
ErrorStatus LL_ADC_CommonInit(ADC_Common_TypeDef *ADCxy_COMMON, LL_ADC_CommonInitTypeDef *ADC_CommonInitStruct)
{
ErrorStatus status = SUCCESS;
/* Check the parameters */
assert_param(IS_ADC_COMMON_INSTANCE(ADCxy_COMMON));
assert_param(IS_LL_ADC_COMMON_CLOCK(ADC_CommonInitStruct->CommonClock));
assert_param(IS_LL_ADC_MULTI_MODE(ADC_CommonInitStruct->Multimode));
if(ADC_CommonInitStruct->Multimode != LL_ADC_MULTI_INDEPENDENT)
{
assert_param(IS_LL_ADC_MULTI_DMA_TRANSFER(ADC_CommonInitStruct->MultiDMATransfer));
assert_param(IS_LL_ADC_MULTI_TWOSMP_DELAY(ADC_CommonInitStruct->MultiTwoSamplingDelay));
}
/* Note: Hardware constraint (refer to description of functions */
/* "LL_ADC_SetCommonXXX()" and "LL_ADC_SetMultiXXX()"): */
/* On this STM32 serie, setting of these features is conditioned to */
/* ADC state: */
/* All ADC instances of the ADC common group must be disabled. */
if(__LL_ADC_IS_ENABLED_ALL_COMMON_INSTANCE(ADCxy_COMMON) == 0UL)
{
/* Configuration of ADC hierarchical scope: */
/* - common to several ADC */
/* (all ADC instances belonging to the same ADC common instance) */
/* - Set ADC clock (conversion clock) */
/* - multimode (if several ADC instances available on the */
/* selected device) */
/* - Set ADC multimode configuration */
/* - Set ADC multimode DMA transfer */
/* - Set ADC multimode: delay between 2 sampling phases */
if(ADC_CommonInitStruct->Multimode != LL_ADC_MULTI_INDEPENDENT)
{
MODIFY_REG(ADCxy_COMMON->CCR,
ADC_CCR_CKMODE
| ADC_CCR_PRESC
| ADC_CCR_DUAL
| ADC_CCR_DAMDF
| ADC_CCR_DELAY
,
ADC_CommonInitStruct->CommonClock
| ADC_CommonInitStruct->Multimode
| ADC_CommonInitStruct->MultiDMATransfer
| ADC_CommonInitStruct->MultiTwoSamplingDelay
);
}
else
{
MODIFY_REG(ADCxy_COMMON->CCR,
ADC_CCR_CKMODE
| ADC_CCR_PRESC
| ADC_CCR_DUAL
| ADC_CCR_DAMDF
| ADC_CCR_DELAY
,
ADC_CommonInitStruct->CommonClock
| LL_ADC_MULTI_INDEPENDENT
);
}
}
else
{
/* Initialization error: One or several ADC instances belonging to */
/* the same ADC common instance are not disabled. */
status = ERROR;
}
return status;
}
