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mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
Diff: targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_ll_adc.c
- Revision:
- 156:95d6b41a828b
- Child:
- 180:96ed750bd169
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_ll_adc.c Mon Jan 16 15:03:32 2017 +0000
@@ -0,0 +1,569 @@
+/**
+ ******************************************************************************
+ * @file stm32f0xx_ll_adc.c
+ * @author MCD Application Team
+ * @version V1.4.0
+ * @date 27-May-2016
+ * @brief ADC LL module driver
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+#if defined(USE_FULL_LL_DRIVER)
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_ll_adc.h"
+#include "stm32f0xx_ll_bus.h"
+
+#ifdef USE_FULL_ASSERT
+ #include "stm32_assert.h"
+#else
+ #define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32F0xx_LL_Driver
+ * @{
+ */
+
+#if defined (ADC1)
+
+/** @addtogroup ADC_LL ADC
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/** @addtogroup ADC_LL_Private_Constants
+ * @{
+ */
+
+/* Definitions of ADC hardware constraints delays */
+/* Note: Only ADC IP HW delays are defined in ADC LL driver driver, */
+/* not timeout values: */
+/* Timeout values for ADC operations are dependent to device clock */
+/* configuration (system clock versus ADC clock), */
+/* and therefore must be defined in user application. */
+/* Refer to @ref ADC_LL_EC_HW_DELAYS for description of ADC timeout */
+/* values definition. */
+/* Note: ADC timeout values are defined here in CPU cycles to be independent */
+/* of device clock setting. */
+/* In user application, ADC timeout values should be defined with */
+/* temporal values, in function of device clock settings. */
+/* Highest ratio CPU clock frequency vs ADC clock frequency: */
+/* - ADC clock from synchronous clock with AHB prescaler 512, */
+/* APB prescaler 16, ADC prescaler 4. */
+/* - ADC clock from asynchronous clock (HSI) with prescaler 1, */
+/* with highest ratio CPU clock frequency vs HSI clock frequency: */
+/* CPU clock frequency max 48MHz, HSI frequency 14MHz: ratio 4. */
+/* Unit: CPU cycles. */
+#define ADC_CLOCK_RATIO_VS_CPU_HIGHEST ((uint32_t) 512U * 16U * 4U)
+#define ADC_TIMEOUT_DISABLE_CPU_CYCLES (ADC_CLOCK_RATIO_VS_CPU_HIGHEST * 1U)
+#define ADC_TIMEOUT_STOP_CONVERSION_CPU_CYCLES (ADC_CLOCK_RATIO_VS_CPU_HIGHEST * 1U)
+
+/**
+ * @}
+ */
+
+/* Private macros ------------------------------------------------------------*/
+
+/** @addtogroup ADC_LL_Private_Macros
+ * @{
+ */
+
+/* Check of parameters for configuration of ADC hierarchical scope: */
+/* common to several ADC instances. */
+/* Check of parameters for configuration of ADC hierarchical scope: */
+/* ADC instance. */
+#define IS_LL_ADC_CLOCK(__CLOCK__) \
+ ( ((__CLOCK__) == LL_ADC_CLOCK_SYNC_PCLK_DIV4) \
+ || ((__CLOCK__) == LL_ADC_CLOCK_SYNC_PCLK_DIV2) \
+ || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC) \
+ )
+
+#define IS_LL_ADC_RESOLUTION(__RESOLUTION__) \
+ ( ((__RESOLUTION__) == LL_ADC_RESOLUTION_12B) \
+ || ((__RESOLUTION__) == LL_ADC_RESOLUTION_10B) \
+ || ((__RESOLUTION__) == LL_ADC_RESOLUTION_8B) \
+ || ((__RESOLUTION__) == LL_ADC_RESOLUTION_6B) \
+ )
+
+#define IS_LL_ADC_DATA_ALIGN(__DATA_ALIGN__) \
+ ( ((__DATA_ALIGN__) == LL_ADC_DATA_ALIGN_RIGHT) \
+ || ((__DATA_ALIGN__) == LL_ADC_DATA_ALIGN_LEFT) \
+ )
+
+#define IS_LL_ADC_LOW_POWER(__LOW_POWER__) \
+ ( ((__LOW_POWER__) == LL_ADC_LP_MODE_NONE) \
+ || ((__LOW_POWER__) == LL_ADC_LP_AUTOWAIT) \
+ || ((__LOW_POWER__) == LL_ADC_LP_AUTOPOWEROFF) \
+ || ((__LOW_POWER__) == LL_ADC_LP_AUTOWAIT_AUTOPOWEROFF) \
+ )
+
+/* Check of parameters for configuration of ADC hierarchical scope: */
+/* ADC group regular */
+#define IS_LL_ADC_REG_TRIG_SOURCE(__REG_TRIG_SOURCE__) \
+ ( ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_SOFTWARE) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM1_TRGO) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM1_CH4) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM2_TRGO) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM3_TRGO) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM15_TRGO) \
+ )
+
+#define IS_LL_ADC_REG_CONTINUOUS_MODE(__REG_CONTINUOUS_MODE__) \
+ ( ((__REG_CONTINUOUS_MODE__) == LL_ADC_REG_CONV_SINGLE) \
+ || ((__REG_CONTINUOUS_MODE__) == LL_ADC_REG_CONV_CONTINUOUS) \
+ )
+
+#define IS_LL_ADC_REG_DMA_TRANSFER(__REG_DMA_TRANSFER__) \
+ ( ((__REG_DMA_TRANSFER__) == LL_ADC_REG_DMA_TRANSFER_NONE) \
+ || ((__REG_DMA_TRANSFER__) == LL_ADC_REG_DMA_TRANSFER_LIMITED) \
+ || ((__REG_DMA_TRANSFER__) == LL_ADC_REG_DMA_TRANSFER_UNLIMITED) \
+ )
+
+#define IS_LL_ADC_REG_OVR_DATA_BEHAVIOR(__REG_OVR_DATA_BEHAVIOR__) \
+ ( ((__REG_OVR_DATA_BEHAVIOR__) == LL_ADC_REG_OVR_DATA_PRESERVED) \
+ || ((__REG_OVR_DATA_BEHAVIOR__) == LL_ADC_REG_OVR_DATA_OVERWRITTEN) \
+ )
+
+#define IS_LL_ADC_REG_SEQ_SCAN_DISCONT_MODE(__REG_SEQ_DISCONT_MODE__) \
+ ( ((__REG_SEQ_DISCONT_MODE__) == LL_ADC_REG_SEQ_DISCONT_DISABLE) \
+ || ((__REG_SEQ_DISCONT_MODE__) == LL_ADC_REG_SEQ_DISCONT_1RANK) \
+ )
+
+/**
+ * @}
+ */
+
+
+/* Private function prototypes -----------------------------------------------*/
+
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup ADC_LL_Exported_Functions
+ * @{
+ */
+
+/** @addtogroup ADC_LL_EF_Init
+ * @{
+ */
+
+/**
+ * @brief De-initialize registers of all ADC instances belonging to
+ * the same ADC common instance to their default reset values.
+ * @note This function is performing a hard reset, using high level
+ * clock source RCC ADC reset.
+ * @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_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_ADC1);
+
+ /* Release reset of ADC clock (core clock) */
+ LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_ADC1);
+
+ return SUCCESS;
+}
+
+
+/**
+ * @brief De-initialize registers of the selected ADC instance
+ * to their default reset values.
+ * @note To reset all ADC instances quickly (perform a hard reset),
+ * use function @ref LL_ADC_CommonDeInit().
+ * @note If this functions returns error status, it means that ADC instance
+ * is in an unknown state.
+ * In this case, perform a hard reset using high level
+ * clock source RCC ADC reset.
+ * Refer to function @ref LL_ADC_CommonDeInit().
+ * @param ADCx ADC instance
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: ADC registers are de-initialized
+ * - ERROR: ADC registers are not de-initialized
+ */
+ErrorStatus LL_ADC_DeInit(ADC_TypeDef *ADCx)
+{
+ ErrorStatus status = SUCCESS;
+
+ __IO uint32_t timeout_cpu_cycles = 0U;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_INSTANCE(ADCx));
+
+ /* Disable ADC instance if not already disabled. */
+ if(LL_ADC_IsEnabled(ADCx) == 1U)
+ {
+ /* Set ADC group regular trigger source to SW start to ensure to not */
+ /* have an external trigger event occurring during the conversion stop */
+ /* ADC disable process. */
+ LL_ADC_REG_SetTriggerSource(ADCx, LL_ADC_REG_TRIG_SOFTWARE);
+
+ /* Stop potential ADC conversion on going on ADC group regular. */
+ if(LL_ADC_REG_IsConversionOngoing(ADCx) != 0U)
+ {
+ if(LL_ADC_REG_IsStopConversionOngoing(ADCx) == 0U)
+ {
+ LL_ADC_REG_StopConversion(ADCx);
+ }
+ }
+
+ /* Wait for ADC conversions are effectively stopped */
+ timeout_cpu_cycles = ADC_TIMEOUT_STOP_CONVERSION_CPU_CYCLES;
+ while (LL_ADC_REG_IsStopConversionOngoing(ADCx) == 1U)
+ {
+ if(timeout_cpu_cycles-- == 0U)
+ {
+ /* Time-out error */
+ status = ERROR;
+ }
+ }
+
+ /* Disable the ADC instance */
+ LL_ADC_Disable(ADCx);
+
+ /* Wait for ADC instance is effectively disabled */
+ timeout_cpu_cycles = ADC_TIMEOUT_DISABLE_CPU_CYCLES;
+ while (LL_ADC_IsDisableOngoing(ADCx) == 1U)
+ {
+ if(timeout_cpu_cycles-- == 0U)
+ {
+ /* Time-out error */
+ status = ERROR;
+ }
+ }
+ }
+
+ /* Check whether ADC state is compliant with expected state */
+ if(READ_BIT(ADCx->CR,
+ ( ADC_CR_ADSTP | ADC_CR_ADSTART
+ | ADC_CR_ADDIS | ADC_CR_ADEN )
+ )
+ == 0U)
+ {
+ /* ========== Reset ADC registers ========== */
+ /* Reset register IER */
+ CLEAR_BIT(ADCx->IER,
+ ( LL_ADC_IT_ADRDY
+ | LL_ADC_IT_EOC
+ | LL_ADC_IT_EOS
+ | LL_ADC_IT_OVR
+ | LL_ADC_IT_EOSMP
+ | LL_ADC_IT_AWD1 )
+ );
+
+ /* Reset register ISR */
+ SET_BIT(ADCx->ISR,
+ ( LL_ADC_FLAG_ADRDY
+ | LL_ADC_FLAG_EOC
+ | LL_ADC_FLAG_EOS
+ | LL_ADC_FLAG_OVR
+ | LL_ADC_FLAG_EOSMP
+ | LL_ADC_FLAG_AWD1 )
+ );
+
+ /* Reset register CR */
+ /* Bits ADC_CR_ADCAL, ADC_CR_ADSTP, ADC_CR_ADSTART are in access mode */
+ /* "read-set": no direct reset applicable. */
+ /* No action on register CR */
+
+ /* Reset register CFGR1 */
+ CLEAR_BIT(ADCx->CFGR1,
+ ( ADC_CFGR1_AWDCH | ADC_CFGR1_AWDEN | ADC_CFGR1_AWDSGL | ADC_CFGR1_DISCEN
+ | ADC_CFGR1_AUTOFF | ADC_CFGR1_WAIT | ADC_CFGR1_CONT | ADC_CFGR1_OVRMOD
+ | ADC_CFGR1_EXTEN | ADC_CFGR1_EXTSEL | ADC_CFGR1_ALIGN | ADC_CFGR1_RES
+ | ADC_CFGR1_SCANDIR | ADC_CFGR1_DMACFG | ADC_CFGR1_DMAEN )
+ );
+
+ /* Reset register CFGR2 */
+ /* Note: Update of ADC clock mode is conditioned to ADC state disabled: */
+ /* already done above. */
+ CLEAR_BIT(ADCx->CFGR2, ADC_CFGR2_CKMODE);
+
+ /* Reset register SMPR */
+ CLEAR_BIT(ADCx->SMPR, ADC_SMPR_SMP);
+
+ /* Reset register TR */
+ MODIFY_REG(ADCx->TR, ADC_TR_HT | ADC_TR_LT, ADC_TR_HT);
+
+ /* Reset register CHSELR */
+#if defined(ADC_CCR_VBATEN)
+ CLEAR_BIT(ADCx->CHSELR,
+ ( ADC_CHSELR_CHSEL18 | ADC_CHSELR_CHSEL17 | ADC_CHSELR_CHSEL16
+ | ADC_CHSELR_CHSEL15 | ADC_CHSELR_CHSEL14 | ADC_CHSELR_CHSEL13 | ADC_CHSELR_CHSEL12
+ | ADC_CHSELR_CHSEL11 | ADC_CHSELR_CHSEL10 | ADC_CHSELR_CHSEL9 | ADC_CHSELR_CHSEL8
+ | ADC_CHSELR_CHSEL7 | ADC_CHSELR_CHSEL6 | ADC_CHSELR_CHSEL5 | ADC_CHSELR_CHSEL4
+ | ADC_CHSELR_CHSEL3 | ADC_CHSELR_CHSEL2 | ADC_CHSELR_CHSEL1 | ADC_CHSELR_CHSEL0 )
+ );
+#else
+ CLEAR_BIT(ADCx->CHSELR,
+ ( ADC_CHSELR_CHSEL17 | ADC_CHSELR_CHSEL16
+ | ADC_CHSELR_CHSEL15 | ADC_CHSELR_CHSEL14 | ADC_CHSELR_CHSEL13 | ADC_CHSELR_CHSEL12
+ | ADC_CHSELR_CHSEL11 | ADC_CHSELR_CHSEL10 | ADC_CHSELR_CHSEL9 | ADC_CHSELR_CHSEL8
+ | ADC_CHSELR_CHSEL7 | ADC_CHSELR_CHSEL6 | ADC_CHSELR_CHSEL5 | ADC_CHSELR_CHSEL4
+ | ADC_CHSELR_CHSEL3 | ADC_CHSELR_CHSEL2 | ADC_CHSELR_CHSEL1 | ADC_CHSELR_CHSEL0 )
+ );
+#endif
+
+ /* Reset register DR */
+ /* bits in access mode read only, no direct reset applicable */
+
+ }
+ else
+ {
+ /* ADC instance is in an unknown state */
+ /* Need to performing a hard reset of ADC instance, using high level */
+ /* clock source RCC ADC reset. */
+ /* Caution: On this STM32 serie, if several ADC instances are available */
+ /* on the selected device, RCC ADC reset will reset */
+ /* all ADC instances belonging to the common ADC instance. */
+ status = ERROR;
+ }
+
+ return status;
+}
+
+/**
+ * @brief Initialize some features of ADC instance.
+ * @note These parameters have an impact on ADC scope: ADC instance.
+ * Refer to corresponding unitary functions into
+ * @ref ADC_LL_EF_Configuration_ADC_Instance .
+ * @note The setting of these parameters by function @ref LL_ADC_Init()
+ * is conditioned to ADC state:
+ * ADC instance must be disabled.
+ * This condition is applied to all ADC features, for efficiency
+ * and compatibility over all STM32 families. However, the different
+ * features can be set under different ADC state conditions
+ * (setting possible with ADC enabled without conversion on going,
+ * ADC enabled with conversion on going, ...)
+ * Each feature can be updated afterwards with a unitary function
+ * and potentially with ADC in a different state than disabled,
+ * refer to description of each function for setting
+ * conditioned to ADC state.
+ * @note After using this function, some other features must be configured
+ * using LL unitary functions.
+ * The minimum configuration remaining to be done is:
+ * - Set ADC group regular sequencer:
+ * map channel on rank corresponding to channel number.
+ * Refer to function @ref LL_ADC_REG_SetSequencerChannels();
+ * - Set ADC channel sampling time
+ * Refer to function LL_ADC_SetChannelSamplingTime();
+ * @param ADCx ADC instance
+ * @param ADC_InitStruct Pointer to a @ref LL_ADC_REG_InitTypeDef structure
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: ADC registers are initialized
+ * - ERROR: ADC registers are not initialized
+ */
+ErrorStatus LL_ADC_Init(ADC_TypeDef *ADCx, LL_ADC_InitTypeDef *ADC_InitStruct)
+{
+ ErrorStatus status = SUCCESS;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_INSTANCE(ADCx));
+
+ assert_param(IS_LL_ADC_CLOCK(ADC_InitStruct->Clock));
+ assert_param(IS_LL_ADC_RESOLUTION(ADC_InitStruct->Resolution));
+ assert_param(IS_LL_ADC_DATA_ALIGN(ADC_InitStruct->DataAlignment));
+ assert_param(IS_LL_ADC_LOW_POWER(ADC_InitStruct->LowPowerMode));
+
+ /* Note: Hardware constraint (refer to description of this function): */
+ /* ADC instance must be disabled. */
+ if(LL_ADC_IsEnabled(ADCx) == 0U)
+ {
+ /* Configuration of ADC hierarchical scope: */
+ /* - ADC instance */
+ /* - Set ADC data resolution */
+ /* - Set ADC conversion data alignment */
+ /* - Set ADC low power mode */
+ MODIFY_REG(ADCx->CFGR1,
+ ADC_CFGR1_RES
+ | ADC_CFGR1_ALIGN
+ | ADC_CFGR1_WAIT
+ | ADC_CFGR1_AUTOFF
+ ,
+ ADC_InitStruct->Resolution
+ | ADC_InitStruct->DataAlignment
+ | ADC_InitStruct->LowPowerMode
+ );
+
+ }
+ else
+ {
+ /* Initialization error: ADC instance is not disabled. */
+ status = ERROR;
+ }
+ return status;
+}
+
+/**
+ * @brief Set each @ref LL_ADC_InitTypeDef field to default value.
+ * @param ADC_InitStruct Pointer to a @ref LL_ADC_InitTypeDef structure
+ * whose fields will be set to default values.
+ * @retval None
+ */
+void LL_ADC_StructInit(LL_ADC_InitTypeDef *ADC_InitStruct)
+{
+ /* Set ADC_InitStruct fields to default values */
+ /* Set fields of ADC instance */
+ ADC_InitStruct->Clock = LL_ADC_CLOCK_SYNC_PCLK_DIV2;
+ ADC_InitStruct->Resolution = LL_ADC_RESOLUTION_12B;
+ ADC_InitStruct->DataAlignment = LL_ADC_DATA_ALIGN_RIGHT;
+ ADC_InitStruct->LowPowerMode = LL_ADC_LP_MODE_NONE;
+
+}
+
+/**
+ * @brief Initialize some features of ADC group regular.
+ * @note These parameters have an impact on ADC scope: ADC group regular.
+ * Refer to corresponding unitary functions into
+ * @ref ADC_LL_EF_Configuration_ADC_Group_Regular
+ * (functions with prefix "REG").
+ * @note The setting of these parameters by function @ref LL_ADC_Init()
+ * is conditioned to ADC state:
+ * ADC instance must be disabled.
+ * This condition is applied to all ADC features, for efficiency
+ * and compatibility over all STM32 families. However, the different
+ * features can be set under different ADC state conditions
+ * (setting possible with ADC enabled without conversion on going,
+ * ADC enabled with conversion on going, ...)
+ * Each feature can be updated afterwards with a unitary function
+ * and potentially with ADC in a different state than disabled,
+ * refer to description of each function for setting
+ * conditioned to ADC state.
+ * @note After using this function, other features must be configured
+ * using LL unitary functions.
+ * The minimum configuration remaining to be done is:
+ * - Set ADC group regular sequencer:
+ * map channel on rank corresponding to channel number.
+ * Refer to function @ref LL_ADC_REG_SetSequencerChannels();
+ * - Set ADC channel sampling time
+ * Refer to function LL_ADC_SetChannelSamplingTime();
+ * @param ADCx ADC instance
+ * @param ADC_REG_InitStruct Pointer to a @ref LL_ADC_REG_InitTypeDef structure
+ * @retval An ErrorStatus enumeration value:
+ * - SUCCESS: ADC registers are initialized
+ * - ERROR: ADC registers are not initialized
+ */
+ErrorStatus LL_ADC_REG_Init(ADC_TypeDef *ADCx, LL_ADC_REG_InitTypeDef *ADC_REG_InitStruct)
+{
+ ErrorStatus status = SUCCESS;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_INSTANCE(ADCx));
+ assert_param(IS_LL_ADC_REG_TRIG_SOURCE(ADC_REG_InitStruct->TriggerSource));
+ assert_param(IS_LL_ADC_REG_SEQ_SCAN_DISCONT_MODE(ADC_REG_InitStruct->SequencerDiscont));
+ assert_param(IS_LL_ADC_REG_CONTINUOUS_MODE(ADC_REG_InitStruct->ContinuousMode));
+ assert_param(IS_LL_ADC_REG_DMA_TRANSFER(ADC_REG_InitStruct->DMATransfer));
+ assert_param(IS_LL_ADC_REG_OVR_DATA_BEHAVIOR(ADC_REG_InitStruct->Overrun));
+
+ /* Note: Hardware constraint (refer to description of this function): */
+ /* ADC instance must be disabled. */
+ if(LL_ADC_IsEnabled(ADCx) == 0U)
+ {
+ /* Configuration of ADC hierarchical scope: */
+ /* - ADC group regular */
+ /* - Set ADC group regular trigger source */
+ /* - Set ADC group regular sequencer discontinuous mode */
+ /* - Set ADC group regular continuous mode */
+ /* - Set ADC group regular conversion data transfer: no transfer or */
+ /* transfer by DMA, and DMA requests mode */
+ /* - Set ADC group regular overrun behavior */
+ /* Note: On this STM32 serie, ADC trigger edge is set to value 0x0 by */
+ /* setting of trigger source to SW start. */
+ MODIFY_REG(ADCx->CFGR1,
+ ADC_CFGR1_EXTSEL
+ | ADC_CFGR1_EXTEN
+ | ADC_CFGR1_DISCEN
+ | ADC_CFGR1_CONT
+ | ADC_CFGR1_DMAEN
+ | ADC_CFGR1_DMACFG
+ | ADC_CFGR1_OVRMOD
+ ,
+ ADC_REG_InitStruct->TriggerSource
+ | ADC_REG_InitStruct->SequencerDiscont
+ | ADC_REG_InitStruct->ContinuousMode
+ | ADC_REG_InitStruct->DMATransfer
+ | ADC_REG_InitStruct->Overrun
+ );
+
+ }
+ else
+ {
+ /* Initialization error: ADC instance is not disabled. */
+ status = ERROR;
+ }
+ return status;
+}
+
+/**
+ * @brief Set each @ref LL_ADC_REG_InitTypeDef field to default value.
+ * @param ADC_REG_InitStruct Pointer to a @ref LL_ADC_REG_InitTypeDef structure
+ * whose fields will be set to default values.
+ * @retval None
+ */
+void LL_ADC_REG_StructInit(LL_ADC_REG_InitTypeDef *ADC_REG_InitStruct)
+{
+ /* Set ADC_REG_InitStruct fields to default values */
+ /* Set fields of ADC group regular */
+ /* Note: On this STM32 serie, ADC trigger edge is set to value 0x0 by */
+ /* setting of trigger source to SW start. */
+ ADC_REG_InitStruct->TriggerSource = LL_ADC_REG_TRIG_SOFTWARE;
+ ADC_REG_InitStruct->SequencerDiscont = LL_ADC_REG_SEQ_DISCONT_DISABLE;
+ ADC_REG_InitStruct->ContinuousMode = LL_ADC_REG_CONV_SINGLE;
+ ADC_REG_InitStruct->DMATransfer = LL_ADC_REG_DMA_TRANSFER_NONE;
+ ADC_REG_InitStruct->Overrun = LL_ADC_REG_OVR_DATA_OVERWRITTEN;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* ADC1 */
+
+/**
+ * @}
+ */
+
+#endif /* USE_FULL_LL_DRIVER */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
