stm32f10x_adc.c
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- /******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
- * File Name : stm32f10x_adc.c
- * Author : MCD Application Team
- * Version : V2.0.2
- * Date : 07/11/2008
- * Description : This file provides all the ADC firmware functions.
- ********************************************************************************
- * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
- * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
- * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
- * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
- * CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
- * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
- *******************************************************************************/
- /* Includes ------------------------------------------------------------------*/
- #include "stm32f10x_adc.h"
- #include "stm32f10x_rcc.h"
- /* Private typedef -----------------------------------------------------------*/
- /* Private define ------------------------------------------------------------*/
- /* ADC DISCNUM mask */
- #define CR1_DISCNUM_Reset ((u32)0xFFFF1FFF)
- /* ADC DISCEN mask */
- #define CR1_DISCEN_Set ((u32)0x00000800)
- #define CR1_DISCEN_Reset ((u32)0xFFFFF7FF)
- /* ADC JAUTO mask */
- #define CR1_JAUTO_Set ((u32)0x00000400)
- #define CR1_JAUTO_Reset ((u32)0xFFFFFBFF)
- /* ADC JDISCEN mask */
- #define CR1_JDISCEN_Set ((u32)0x00001000)
- #define CR1_JDISCEN_Reset ((u32)0xFFFFEFFF)
- /* ADC AWDCH mask */
- #define CR1_AWDCH_Reset ((u32)0xFFFFFFE0)
- /* ADC Analog watchdog enable mode mask */
- #define CR1_AWDMode_Reset ((u32)0xFF3FFDFF)
- /* CR1 register Mask */
- #define CR1_CLEAR_Mask ((u32)0xFFF0FEFF)
- /* ADC ADON mask */
- #define CR2_ADON_Set ((u32)0x00000001)
- #define CR2_ADON_Reset ((u32)0xFFFFFFFE)
- /* ADC DMA mask */
- #define CR2_DMA_Set ((u32)0x00000100)
- #define CR2_DMA_Reset ((u32)0xFFFFFEFF)
- /* ADC RSTCAL mask */
- #define CR2_RSTCAL_Set ((u32)0x00000008)
- /* ADC CAL mask */
- #define CR2_CAL_Set ((u32)0x00000004)
- /* ADC SWSTART mask */
- #define CR2_SWSTART_Set ((u32)0x00400000)
- /* ADC EXTTRIG mask */
- #define CR2_EXTTRIG_Set ((u32)0x00100000)
- #define CR2_EXTTRIG_Reset ((u32)0xFFEFFFFF)
- /* ADC Software start mask */
- #define CR2_EXTTRIG_SWSTART_Set ((u32)0x00500000)
- #define CR2_EXTTRIG_SWSTART_Reset ((u32)0xFFAFFFFF)
- /* ADC JEXTSEL mask */
- #define CR2_JEXTSEL_Reset ((u32)0xFFFF8FFF)
- /* ADC JEXTTRIG mask */
- #define CR2_JEXTTRIG_Set ((u32)0x00008000)
- #define CR2_JEXTTRIG_Reset ((u32)0xFFFF7FFF)
- /* ADC JSWSTART mask */
- #define CR2_JSWSTART_Set ((u32)0x00200000)
- /* ADC injected software start mask */
- #define CR2_JEXTTRIG_JSWSTART_Set ((u32)0x00208000)
- #define CR2_JEXTTRIG_JSWSTART_Reset ((u32)0xFFDF7FFF)
- /* ADC TSPD mask */
- #define CR2_TSVREFE_Set ((u32)0x00800000)
- #define CR2_TSVREFE_Reset ((u32)0xFF7FFFFF)
- /* CR2 register Mask */
- #define CR2_CLEAR_Mask ((u32)0xFFF1F7FD)
- /* ADC SQx mask */
- #define SQR3_SQ_Set ((u32)0x0000001F)
- #define SQR2_SQ_Set ((u32)0x0000001F)
- #define SQR1_SQ_Set ((u32)0x0000001F)
- /* SQR1 register Mask */
- #define SQR1_CLEAR_Mask ((u32)0xFF0FFFFF)
- /* ADC JSQx mask */
- #define JSQR_JSQ_Set ((u32)0x0000001F)
- /* ADC JL mask */
- #define JSQR_JL_Set ((u32)0x00300000)
- #define JSQR_JL_Reset ((u32)0xFFCFFFFF)
- /* ADC SMPx mask */
- #define SMPR1_SMP_Set ((u32)0x00000007)
- #define SMPR2_SMP_Set ((u32)0x00000007)
- /* ADC JDRx registers offset */
- #define JDR_Offset ((u8)0x28)
- /* ADC1 DR register base address */
- #define DR_ADDRESS ((u32)0x4001244C)
- /* Private macro -------------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- /* Private function prototypes -----------------------------------------------*/
- /* Private functions ---------------------------------------------------------*/
- /*******************************************************************************
- * Function Name : ADC_DeInit
- * Description : Deinitializes the ADCx peripheral registers to their default
- * reset values.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_DeInit(ADC_TypeDef* ADCx)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- switch (*(u32*)&ADCx)
- {
- case ADC1_BASE:
- /* Enable ADC1 reset state */
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, ENABLE);
- /* Release ADC1 from reset state */
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, DISABLE);
- break;
-
- case ADC2_BASE:
- /* Enable ADC2 reset state */
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC2, ENABLE);
- /* Release ADC2 from reset state */
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC2, DISABLE);
- break;
-
- case ADC3_BASE:
- /* Enable ADC3 reset state */
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC3, ENABLE);
- /* Release ADC3 from reset state */
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC3, DISABLE);
- break;
- default:
- break;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_Init
- * Description : Initializes the ADCx peripheral according to the specified parameters
- * in the ADC_InitStruct.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_InitStruct: pointer to an ADC_InitTypeDef structure that
- * contains the configuration information for the specified
- * ADC peripheral.
- * Output : None
- * Return : None
- ******************************************************************************/
- void ADC_Init(ADC_TypeDef* ADCx, ADC_InitTypeDef* ADC_InitStruct)
- {
- u32 tmpreg1 = 0;
- u8 tmpreg2 = 0;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_MODE(ADC_InitStruct->ADC_Mode));
- assert_param(IS_FUNCTIONAL_STATE(ADC_InitStruct->ADC_ScanConvMode));
- assert_param(IS_FUNCTIONAL_STATE(ADC_InitStruct->ADC_ContinuousConvMode));
- assert_param(IS_ADC_EXT_TRIG(ADC_InitStruct->ADC_ExternalTrigConv));
- assert_param(IS_ADC_DATA_ALIGN(ADC_InitStruct->ADC_DataAlign));
- assert_param(IS_ADC_REGULAR_LENGTH(ADC_InitStruct->ADC_NbrOfChannel));
- /*---------------------------- ADCx CR1 Configuration -----------------*/
- /* Get the ADCx CR1 value */
- tmpreg1 = ADCx->CR1;
- /* Clear DUALMOD and SCAN bits */
- tmpreg1 &= CR1_CLEAR_Mask;
- /* Configure ADCx: Dual mode and scan conversion mode */
- /* Set DUALMOD bits according to ADC_Mode value */
- /* Set SCAN bit according to ADC_ScanConvMode value */
- tmpreg1 |= (u32)(ADC_InitStruct->ADC_Mode | ((u32)ADC_InitStruct->ADC_ScanConvMode << 8));
- /* Write to ADCx CR1 */
- ADCx->CR1 = tmpreg1;
- /*---------------------------- ADCx CR2 Configuration -----------------*/
- /* Get the ADCx CR2 value */
- tmpreg1 = ADCx->CR2;
- /* Clear CONT, ALIGN and EXTSEL bits */
- tmpreg1 &= CR2_CLEAR_Mask;
- /* Configure ADCx: external trigger event and continuous conversion mode */
- /* Set ALIGN bit according to ADC_DataAlign value */
- /* Set EXTSEL bits according to ADC_ExternalTrigConv value */
- /* Set CONT bit according to ADC_ContinuousConvMode value */
- tmpreg1 |= (u32)(ADC_InitStruct->ADC_DataAlign | ADC_InitStruct->ADC_ExternalTrigConv |
- ((u32)ADC_InitStruct->ADC_ContinuousConvMode << 1));
- /* Write to ADCx CR2 */
- ADCx->CR2 = tmpreg1;
- /*---------------------------- ADCx SQR1 Configuration -----------------*/
- /* Get the ADCx SQR1 value */
- tmpreg1 = ADCx->SQR1;
- /* Clear L bits */
- tmpreg1 &= SQR1_CLEAR_Mask;
- /* Configure ADCx: regular channel sequence length */
- /* Set L bits according to ADC_NbrOfChannel value */
- tmpreg2 |= (ADC_InitStruct->ADC_NbrOfChannel - 1);
- tmpreg1 |= ((u32)tmpreg2 << 20);
- /* Write to ADCx SQR1 */
- ADCx->SQR1 = tmpreg1;
- }
- /*******************************************************************************
- * Function Name : ADC_StructInit
- * Description : Fills each ADC_InitStruct member with its default value.
- * Input : ADC_InitStruct : pointer to an ADC_InitTypeDef structure
- * which will be initialized.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_StructInit(ADC_InitTypeDef* ADC_InitStruct)
- {
- /* Reset ADC init structure parameters values */
- /* Initialize the ADC_Mode member */
- ADC_InitStruct->ADC_Mode = ADC_Mode_Independent;
- /* initialize the ADC_ScanConvMode member */
- ADC_InitStruct->ADC_ScanConvMode = DISABLE;
- /* Initialize the ADC_ContinuousConvMode member */
- ADC_InitStruct->ADC_ContinuousConvMode = DISABLE;
- /* Initialize the ADC_ExternalTrigConv member */
- ADC_InitStruct->ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
- /* Initialize the ADC_DataAlign member */
- ADC_InitStruct->ADC_DataAlign = ADC_DataAlign_Right;
- /* Initialize the ADC_NbrOfChannel member */
- ADC_InitStruct->ADC_NbrOfChannel = 1;
- }
- /*******************************************************************************
- * Function Name : ADC_Cmd
- * Description : Enables or disables the specified ADC peripheral.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - NewState: new state of the ADCx peripheral. This parameter
- * can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_Cmd(ADC_TypeDef* ADCx, FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- if (NewState != DISABLE)
- {
- /* Set the ADON bit to wake up the ADC from power down mode */
- ADCx->CR2 |= CR2_ADON_Set;
- }
- else
- {
- /* Disable the selected ADC peripheral */
- ADCx->CR2 &= CR2_ADON_Reset;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_DMACmd
- * Description : Enables or disables the specified ADC DMA request.
- * Input : - ADCx: where x can be 1 or 3 to select the ADC peripheral.
- * Note: ADC2 hasn't a DMA capability.
- * - NewState: new state of the selected ADC DMA transfer.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_DMACmd(ADC_TypeDef* ADCx, FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_ADC_DMA_PERIPH(ADCx));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- if (NewState != DISABLE)
- {
- /* Enable the selected ADC DMA request */
- ADCx->CR2 |= CR2_DMA_Set;
- }
- else
- {
- /* Disable the selected ADC DMA request */
- ADCx->CR2 &= CR2_DMA_Reset;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_ITConfig
- * Description : Enables or disables the specified ADC interrupts.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_IT: specifies the ADC interrupt sources to be enabled
- * or disabled.
- * This parameter can be any combination of the following values:
- * - ADC_IT_EOC: End of conversion interrupt mask
- * - ADC_IT_AWD: Analog watchdog interrupt mask
- * - ADC_IT_JEOC: End of injected conversion interrupt mask
- * - NewState: new state of the specified ADC interrupts.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_ITConfig(ADC_TypeDef* ADCx, u16 ADC_IT, FunctionalState NewState)
- {
- u8 itmask = 0;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- assert_param(IS_ADC_IT(ADC_IT));
- /* Get the ADC IT index */
- itmask = (u8)ADC_IT;
- if (NewState != DISABLE)
- {
- /* Enable the selected ADC interrupts */
- ADCx->CR1 |= itmask;
- }
- else
- {
- /* Disable the selected ADC interrupts */
- ADCx->CR1 &= (~(u32)itmask);
- }
- }
- /*******************************************************************************
- * Function Name : ADC_ResetCalibration
- * Description : Resets the selected ADC calibration registers.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_ResetCalibration(ADC_TypeDef* ADCx)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- /* Resets the selected ADC calibartion registers */
- ADCx->CR2 |= CR2_RSTCAL_Set;
- }
- /*******************************************************************************
- * Function Name : ADC_GetResetCalibrationStatus
- * Description : Gets the selected ADC reset calibration registers status.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * Output : None
- * Return : The new state of ADC reset calibration registers (SET or RESET).
- *******************************************************************************/
- FlagStatus ADC_GetResetCalibrationStatus(ADC_TypeDef* ADCx)
- {
- FlagStatus bitstatus = RESET;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- /* Check the status of RSTCAL bit */
- if ((ADCx->CR2 & CR2_RSTCAL_Set) != (u32)RESET)
- {
- /* RSTCAL bit is set */
- bitstatus = SET;
- }
- else
- {
- /* RSTCAL bit is reset */
- bitstatus = RESET;
- }
- /* Return the RSTCAL bit status */
- return bitstatus;
- }
- /*******************************************************************************
- * Function Name : ADC_StartCalibration
- * Description : Starts the selected ADC calibration process.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_StartCalibration(ADC_TypeDef* ADCx)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- /* Enable the selected ADC calibration process */
- ADCx->CR2 |= CR2_CAL_Set;
- }
- /*******************************************************************************
- * Function Name : ADC_GetCalibrationStatus
- * Description : Gets the selected ADC calibration status.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * Output : None
- * Return : The new state of ADC calibration (SET or RESET).
- *******************************************************************************/
- FlagStatus ADC_GetCalibrationStatus(ADC_TypeDef* ADCx)
- {
- FlagStatus bitstatus = RESET;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- /* Check the status of CAL bit */
- if ((ADCx->CR2 & CR2_CAL_Set) != (u32)RESET)
- {
- /* CAL bit is set: calibration on going */
- bitstatus = SET;
- }
- else
- {
- /* CAL bit is reset: end of calibration */
- bitstatus = RESET;
- }
- /* Return the CAL bit status */
- return bitstatus;
- }
- /*******************************************************************************
- * Function Name : ADC_SoftwareStartConvCmd
- * Description : Enables or disables the selected ADC software start conversion .
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - NewState: new state of the selected ADC software start conversion.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_SoftwareStartConvCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- if (NewState != DISABLE)
- {
- /* Enable the selected ADC conversion on external event and start the selected
- ADC conversion */
- ADCx->CR2 |= CR2_EXTTRIG_SWSTART_Set;
- }
- else
- {
- /* Disable the selected ADC conversion on external event and stop the selected
- ADC conversion */
- ADCx->CR2 &= CR2_EXTTRIG_SWSTART_Reset;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_GetSoftwareStartConvStatus
- * Description : Gets the selected ADC Software start conversion Status.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * Output : None
- * Return : The new state of ADC software start conversion (SET or RESET).
- *******************************************************************************/
- FlagStatus ADC_GetSoftwareStartConvStatus(ADC_TypeDef* ADCx)
- {
- FlagStatus bitstatus = RESET;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- /* Check the status of SWSTART bit */
- if ((ADCx->CR2 & CR2_SWSTART_Set) != (u32)RESET)
- {
- /* SWSTART bit is set */
- bitstatus = SET;
- }
- else
- {
- /* SWSTART bit is reset */
- bitstatus = RESET;
- }
- /* Return the SWSTART bit status */
- return bitstatus;
- }
- /*******************************************************************************
- * Function Name : ADC_DiscModeChannelCountConfig
- * Description : Configures the discontinuous mode for the selected ADC regular
- * group channel.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - Number: specifies the discontinuous mode regular channel
- * count value. This number must be between 1 and 8.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_DiscModeChannelCountConfig(ADC_TypeDef* ADCx, u8 Number)
- {
- u32 tmpreg1 = 0;
- u32 tmpreg2 = 0;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_REGULAR_DISC_NUMBER(Number));
- /* Get the old register value */
- tmpreg1 = ADCx->CR1;
- /* Clear the old discontinuous mode channel count */
- tmpreg1 &= CR1_DISCNUM_Reset;
- /* Set the discontinuous mode channel count */
- tmpreg2 = Number - 1;
- tmpreg1 |= tmpreg2 << 13;
- /* Store the new register value */
- ADCx->CR1 = tmpreg1;
- }
- /*******************************************************************************
- * Function Name : ADC_DiscModeCmd
- * Description : Enables or disables the discontinuous mode on regular group
- * channel for the specified ADC
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - NewState: new state of the selected ADC discontinuous mode
- * on regular group channel.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_DiscModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- if (NewState != DISABLE)
- {
- /* Enable the selected ADC regular discontinuous mode */
- ADCx->CR1 |= CR1_DISCEN_Set;
- }
- else
- {
- /* Disable the selected ADC regular discontinuous mode */
- ADCx->CR1 &= CR1_DISCEN_Reset;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_RegularChannelConfig
- * Description : Configures for the selected ADC regular channel its corresponding
- * rank in the sequencer and its sample time.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_Channel: the ADC channel to configure.
- * This parameter can be one of the following values:
- * - ADC_Channel_0: ADC Channel0 selected
- * - ADC_Channel_1: ADC Channel1 selected
- * - ADC_Channel_2: ADC Channel2 selected
- * - ADC_Channel_3: ADC Channel3 selected
- * - ADC_Channel_4: ADC Channel4 selected
- * - ADC_Channel_5: ADC Channel5 selected
- * - ADC_Channel_6: ADC Channel6 selected
- * - ADC_Channel_7: ADC Channel7 selected
- * - ADC_Channel_8: ADC Channel8 selected
- * - ADC_Channel_9: ADC Channel9 selected
- * - ADC_Channel_10: ADC Channel10 selected
- * - ADC_Channel_11: ADC Channel11 selected
- * - ADC_Channel_12: ADC Channel12 selected
- * - ADC_Channel_13: ADC Channel13 selected
- * - ADC_Channel_14: ADC Channel14 selected
- * - ADC_Channel_15: ADC Channel15 selected
- * - ADC_Channel_16: ADC Channel16 selected
- * - ADC_Channel_17: ADC Channel17 selected
- * - Rank: The rank in the regular group sequencer. This parameter
- * must be between 1 to 16.
- * - ADC_SampleTime: The sample time value to be set for the
- * selected channel.
- * This parameter can be one of the following values:
- * - ADC_SampleTime_1Cycles5: Sample time equal to 1.5 cycles
- * - ADC_SampleTime_7Cycles5: Sample time equal to 7.5 cycles
- * - ADC_SampleTime_13Cycles5: Sample time equal to 13.5 cycles
- * - ADC_SampleTime_28Cycles5: Sample time equal to 28.5 cycles
- * - ADC_SampleTime_41Cycles5: Sample time equal to 41.5 cycles
- * - ADC_SampleTime_55Cycles5: Sample time equal to 55.5 cycles
- * - ADC_SampleTime_71Cycles5: Sample time equal to 71.5 cycles
- * - ADC_SampleTime_239Cycles5: Sample time equal to 239.5 cycles
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_RegularChannelConfig(ADC_TypeDef* ADCx, u8 ADC_Channel, u8 Rank, u8 ADC_SampleTime)
- {
- u32 tmpreg1 = 0, tmpreg2 = 0;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_CHANNEL(ADC_Channel));
- assert_param(IS_ADC_REGULAR_RANK(Rank));
- assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime));
- /* if ADC_Channel_10 ... ADC_Channel_17 is selected */
- if (ADC_Channel > ADC_Channel_9)
- {
- /* Get the old register value */
- tmpreg1 = ADCx->SMPR1;
- /* Calculate the mask to clear */
- tmpreg2 = SMPR1_SMP_Set << (3 * (ADC_Channel - 10));
- /* Clear the old discontinuous mode channel count */
- tmpreg1 &= ~tmpreg2;
- /* Calculate the mask to set */
- tmpreg2 = (u32)ADC_SampleTime << (3 * (ADC_Channel - 10));
- /* Set the discontinuous mode channel count */
- tmpreg1 |= tmpreg2;
- /* Store the new register value */
- ADCx->SMPR1 = tmpreg1;
- }
- else /* ADC_Channel include in ADC_Channel_[0..9] */
- {
- /* Get the old register value */
- tmpreg1 = ADCx->SMPR2;
- /* Calculate the mask to clear */
- tmpreg2 = SMPR2_SMP_Set << (3 * ADC_Channel);
- /* Clear the old discontinuous mode channel count */
- tmpreg1 &= ~tmpreg2;
- /* Calculate the mask to set */
- tmpreg2 = (u32)ADC_SampleTime << (3 * ADC_Channel);
- /* Set the discontinuous mode channel count */
- tmpreg1 |= tmpreg2;
- /* Store the new register value */
- ADCx->SMPR2 = tmpreg1;
- }
- /* For Rank 1 to 6 */
- if (Rank < 7)
- {
- /* Get the old register value */
- tmpreg1 = ADCx->SQR3;
- /* Calculate the mask to clear */
- tmpreg2 = SQR3_SQ_Set << (5 * (Rank - 1));
- /* Clear the old SQx bits for the selected rank */
- tmpreg1 &= ~tmpreg2;
- /* Calculate the mask to set */
- tmpreg2 = (u32)ADC_Channel << (5 * (Rank - 1));
- /* Set the SQx bits for the selected rank */
- tmpreg1 |= tmpreg2;
- /* Store the new register value */
- ADCx->SQR3 = tmpreg1;
- }
- /* For Rank 7 to 12 */
- else if (Rank < 13)
- {
- /* Get the old register value */
- tmpreg1 = ADCx->SQR2;
- /* Calculate the mask to clear */
- tmpreg2 = SQR2_SQ_Set << (5 * (Rank - 7));
- /* Clear the old SQx bits for the selected rank */
- tmpreg1 &= ~tmpreg2;
- /* Calculate the mask to set */
- tmpreg2 = (u32)ADC_Channel << (5 * (Rank - 7));
- /* Set the SQx bits for the selected rank */
- tmpreg1 |= tmpreg2;
- /* Store the new register value */
- ADCx->SQR2 = tmpreg1;
- }
- /* For Rank 13 to 16 */
- else
- {
- /* Get the old register value */
- tmpreg1 = ADCx->SQR1;
- /* Calculate the mask to clear */
- tmpreg2 = SQR1_SQ_Set << (5 * (Rank - 13));
- /* Clear the old SQx bits for the selected rank */
- tmpreg1 &= ~tmpreg2;
- /* Calculate the mask to set */
- tmpreg2 = (u32)ADC_Channel << (5 * (Rank - 13));
- /* Set the SQx bits for the selected rank */
- tmpreg1 |= tmpreg2;
- /* Store the new register value */
- ADCx->SQR1 = tmpreg1;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_ExternalTrigConvCmd
- * Description : Enables or disables the ADCx conversion through external trigger.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - NewState: new state of the selected ADC external trigger
- * start of conversion.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_ExternalTrigConvCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- if (NewState != DISABLE)
- {
- /* Enable the selected ADC conversion on external event */
- ADCx->CR2 |= CR2_EXTTRIG_Set;
- }
- else
- {
- /* Disable the selected ADC conversion on external event */
- ADCx->CR2 &= CR2_EXTTRIG_Reset;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_GetConversionValue
- * Description : Returns the last ADCx conversion result data for regular channel.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * Output : None
- * Return : The Data conversion value.
- *******************************************************************************/
- u16 ADC_GetConversionValue(ADC_TypeDef* ADCx)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- /* Return the selected ADC conversion value */
- return (u16) ADCx->DR;
- }
- /*******************************************************************************
- * Function Name : ADC_GetDualModeConversionValue
- * Description : Returns the last ADC1 and ADC2 conversion result data in dual mode.
- * Output : None
- * Return : The Data conversion value.
- *******************************************************************************/
- u32 ADC_GetDualModeConversionValue(void)
- {
- /* Return the dual mode conversion value */
- return (*(vu32 *) DR_ADDRESS);
- }
- /*******************************************************************************
- * Function Name : ADC_AutoInjectedConvCmd
- * Description : Enables or disables the selected ADC automatic injected group
- * conversion after regular one.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - NewState: new state of the selected ADC auto injected
- * conversion
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_AutoInjectedConvCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- if (NewState != DISABLE)
- {
- /* Enable the selected ADC automatic injected group conversion */
- ADCx->CR1 |= CR1_JAUTO_Set;
- }
- else
- {
- /* Disable the selected ADC automatic injected group conversion */
- ADCx->CR1 &= CR1_JAUTO_Reset;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_InjectedDiscModeCmd
- * Description : Enables or disables the discontinuous mode for injected group
- * channel for the specified ADC
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - NewState: new state of the selected ADC discontinuous mode
- * on injected group channel.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_InjectedDiscModeCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- if (NewState != DISABLE)
- {
- /* Enable the selected ADC injected discontinuous mode */
- ADCx->CR1 |= CR1_JDISCEN_Set;
- }
- else
- {
- /* Disable the selected ADC injected discontinuous mode */
- ADCx->CR1 &= CR1_JDISCEN_Reset;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_ExternalTrigInjectedConvConfig
- * Description : Configures the ADCx external trigger for injected channels conversion.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_ExternalTrigInjecConv: specifies the ADC trigger to
- * start injected conversion.
- * This parameter can be one of the following values:
- * - ADC_ExternalTrigInjecConv_T1_TRGO: Timer1 TRGO event
- * selected (for ADC1, ADC2 and ADC3)
- * - ADC_ExternalTrigInjecConv_T1_CC4: Timer1 capture
- * compare4 selected (for ADC1, ADC2 and ADC3)
- * - ADC_ExternalTrigInjecConv_T2_TRGO: Timer2 TRGO event
- * selected (for ADC1 and ADC2)
- * - ADC_External TrigInjecConv_T2_CC1: Timer2 capture
- * compare1 selected (for ADC1 and ADC2)
- * - ADC_ExternalTrigInjecConv_T3_CC4: Timer3 capture
- * compare4 selected (for ADC1 and ADC2)
- * - ADC_ExternalTrigInjecConv_T4_TRGO: Timer4 TRGO event
- * selected (for ADC1 and ADC2)
- * - ADC_ExternalTrigInjecConv_Ext_IT15_TIM8_CC4: External
- * interrupt line 15 or Timer8 capture compare4 event selected
- * (for ADC1 and ADC2)
- * - ADC_External TrigInjecConv_T4_CC3: Timer4 capture
- * compare3 selected (for ADC3 only)
- * - ADC_External TrigInjecConv_T8_CC2: Timer8 capture
- * compare2 selected (for ADC3 only)
- * - ADC_External TrigInjecConv_T8_CC4: Timer8 capture
- * compare4 selected (for ADC3 only)
- * - ADC_ExternalTrigInjecConv_T5_TRGO: Timer5 TRGO event
- * selected (for ADC3 only)
- * - ADC_External TrigInjecConv_T5_CC4: Timer5 capture
- * compare4 selected (for ADC3 only)
- * - ADC_ExternalTrigInjecConv_None: Injected conversion
- * started by software and not by external trigger (for
- * ADC1, ADC2 and ADC3)
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_ExternalTrigInjectedConvConfig(ADC_TypeDef* ADCx, u32 ADC_ExternalTrigInjecConv)
- {
- u32 tmpreg = 0;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_EXT_INJEC_TRIG(ADC_ExternalTrigInjecConv));
- /* Get the old register value */
- tmpreg = ADCx->CR2;
- /* Clear the old external event selection for injected group */
- tmpreg &= CR2_JEXTSEL_Reset;
- /* Set the external event selection for injected group */
- tmpreg |= ADC_ExternalTrigInjecConv;
- /* Store the new register value */
- ADCx->CR2 = tmpreg;
- }
- /*******************************************************************************
- * Function Name : ADC_ExternalTrigInjectedConvCmd
- * Description : Enables or disables the ADCx injected channels conversion
- * through external trigger
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - NewState: new state of the selected ADC external trigger
- * start of injected conversion.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_ExternalTrigInjectedConvCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- if (NewState != DISABLE)
- {
- /* Enable the selected ADC external event selection for injected group */
- ADCx->CR2 |= CR2_JEXTTRIG_Set;
- }
- else
- {
- /* Disable the selected ADC external event selection for injected group */
- ADCx->CR2 &= CR2_JEXTTRIG_Reset;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_SoftwareStartInjectedConvCmd
- * Description : Enables or disables the selected ADC start of the injected
- * channels conversion.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - NewState: new state of the selected ADC software start
- * injected conversion.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_SoftwareStartInjectedConvCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- if (NewState != DISABLE)
- {
- /* Enable the selected ADC conversion for injected group on external event and start the selected
- ADC injected conversion */
- ADCx->CR2 |= CR2_JEXTTRIG_JSWSTART_Set;
- }
- else
- {
- /* Disable the selected ADC conversion on external event for injected group and stop the selected
- ADC injected conversion */
- ADCx->CR2 &= CR2_JEXTTRIG_JSWSTART_Reset;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_GetSoftwareStartInjectedConvCmdStatus
- * Description : Gets the selected ADC Software start injected conversion Status.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * Output : None
- * Return : The new state of ADC software start injected conversion (SET or RESET).
- *******************************************************************************/
- FlagStatus ADC_GetSoftwareStartInjectedConvCmdStatus(ADC_TypeDef* ADCx)
- {
- FlagStatus bitstatus = RESET;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- /* Check the status of JSWSTART bit */
- if ((ADCx->CR2 & CR2_JSWSTART_Set) != (u32)RESET)
- {
- /* JSWSTART bit is set */
- bitstatus = SET;
- }
- else
- {
- /* JSWSTART bit is reset */
- bitstatus = RESET;
- }
- /* Return the JSWSTART bit status */
- return bitstatus;
- }
- /*******************************************************************************
- * Function Name : ADC_InjectedChannelConfig
- * Description : Configures for the selected ADC injected channel its corresponding
- * rank in the sequencer and its sample time.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_Channel: the ADC channel to configure.
- * This parameter can be one of the following values:
- * - ADC_Channel_0: ADC Channel0 selected
- * - ADC_Channel_1: ADC Channel1 selected
- * - ADC_Channel_2: ADC Channel2 selected
- * - ADC_Channel_3: ADC Channel3 selected
- * - ADC_Channel_4: ADC Channel4 selected
- * - ADC_Channel_5: ADC Channel5 selected
- * - ADC_Channel_6: ADC Channel6 selected
- * - ADC_Channel_7: ADC Channel7 selected
- * - ADC_Channel_8: ADC Channel8 selected
- * - ADC_Channel_9: ADC Channel9 selected
- * - ADC_Channel_10: ADC Channel10 selected
- * - ADC_Channel_11: ADC Channel11 selected
- * - ADC_Channel_12: ADC Channel12 selected
- * - ADC_Channel_13: ADC Channel13 selected
- * - ADC_Channel_14: ADC Channel14 selected
- * - ADC_Channel_15: ADC Channel15 selected
- * - ADC_Channel_16: ADC Channel16 selected
- * - ADC_Channel_17: ADC Channel17 selected
- * - Rank: The rank in the injected group sequencer. This parameter
- * must be between 1 to 4.
- * - ADC_SampleTime: The sample time value to be set for the
- * selected channel.
- * This parameter can be one of the following values:
- * - ADC_SampleTime_1Cycles5: Sample time equal to 1.5 cycles
- * - ADC_SampleTime_7Cycles5: Sample time equal to 7.5 cycles
- * - ADC_SampleTime_13Cycles5: Sample time equal to 13.5 cycles
- * - ADC_SampleTime_28Cycles5: Sample time equal to 28.5 cycles
- * - ADC_SampleTime_41Cycles5: Sample time equal to 41.5 cycles
- * - ADC_SampleTime_55Cycles5: Sample time equal to 55.5 cycles
- * - ADC_SampleTime_71Cycles5: Sample time equal to 71.5 cycles
- * - ADC_SampleTime_239Cycles5: Sample time equal to 239.5 cycles
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_InjectedChannelConfig(ADC_TypeDef* ADCx, u8 ADC_Channel, u8 Rank, u8 ADC_SampleTime)
- {
- u32 tmpreg1 = 0, tmpreg2 = 0, tmpreg3 = 0;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_CHANNEL(ADC_Channel));
- assert_param(IS_ADC_INJECTED_RANK(Rank));
- assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime));
- /* if ADC_Channel_10 ... ADC_Channel_17 is selected */
- if (ADC_Channel > ADC_Channel_9)
- {
- /* Get the old register value */
- tmpreg1 = ADCx->SMPR1;
- /* Calculate the mask to clear */
- tmpreg2 = SMPR1_SMP_Set << (3*(ADC_Channel - 10));
- /* Clear the old discontinuous mode channel count */
- tmpreg1 &= ~tmpreg2;
- /* Calculate the mask to set */
- tmpreg2 = (u32)ADC_SampleTime << (3*(ADC_Channel - 10));
- /* Set the discontinuous mode channel count */
- tmpreg1 |= tmpreg2;
- /* Store the new register value */
- ADCx->SMPR1 = tmpreg1;
- }
- else /* ADC_Channel include in ADC_Channel_[0..9] */
- {
- /* Get the old register value */
- tmpreg1 = ADCx->SMPR2;
- /* Calculate the mask to clear */
- tmpreg2 = SMPR2_SMP_Set << (3 * ADC_Channel);
- /* Clear the old discontinuous mode channel count */
- tmpreg1 &= ~tmpreg2;
- /* Calculate the mask to set */
- tmpreg2 = (u32)ADC_SampleTime << (3 * ADC_Channel);
- /* Set the discontinuous mode channel count */
- tmpreg1 |= tmpreg2;
- /* Store the new register value */
- ADCx->SMPR2 = tmpreg1;
- }
- /* Rank configuration */
- /* Get the old register value */
- tmpreg1 = ADCx->JSQR;
- /* Get JL value: Number = JL+1 */
- tmpreg3 = (tmpreg1 & JSQR_JL_Set)>> 20;
- /* Calculate the mask to clear: ((Rank-1)+(4-JL-1)) */
- tmpreg2 = JSQR_JSQ_Set << (5 * (u8)((Rank + 3) - (tmpreg3 + 1)));
- /* Clear the old JSQx bits for the selected rank */
- tmpreg1 &= ~tmpreg2;
- /* Calculate the mask to set: ((Rank-1)+(4-JL-1)) */
- tmpreg2 = (u32)ADC_Channel << (5 * (u8)((Rank + 3) - (tmpreg3 + 1)));
- /* Set the JSQx bits for the selected rank */
- tmpreg1 |= tmpreg2;
- /* Store the new register value */
- ADCx->JSQR = tmpreg1;
- }
- /*******************************************************************************
- * Function Name : ADC_InjectedSequencerLengthConfig
- * Description : Configures the sequencer length for injected channels
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - Length: The sequencer length.
- * This parameter must be a number between 1 to 4.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_InjectedSequencerLengthConfig(ADC_TypeDef* ADCx, u8 Length)
- {
- u32 tmpreg1 = 0;
- u32 tmpreg2 = 0;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_INJECTED_LENGTH(Length));
-
- /* Get the old register value */
- tmpreg1 = ADCx->JSQR;
- /* Clear the old injected sequnence lenght JL bits */
- tmpreg1 &= JSQR_JL_Reset;
- /* Set the injected sequnence lenght JL bits */
- tmpreg2 = Length - 1;
- tmpreg1 |= tmpreg2 << 20;
- /* Store the new register value */
- ADCx->JSQR = tmpreg1;
- }
- /*******************************************************************************
- * Function Name : ADC_SetInjectedOffset
- * Description : Set the injected channels conversion value offset
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_InjectedChannel: the ADC injected channel to set its
- * offset.
- * This parameter can be one of the following values:
- * - ADC_InjectedChannel_1: Injected Channel1 selected
- * - ADC_InjectedChannel_2: Injected Channel2 selected
- * - ADC_InjectedChannel_3: Injected Channel3 selected
- * - ADC_InjectedChannel_4: Injected Channel4 selected
- * - Offset: the offset value for the selected ADC injected channel
- * This parameter must be a 12bit value.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_SetInjectedOffset(ADC_TypeDef* ADCx, u8 ADC_InjectedChannel, u16 Offset)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_INJECTED_CHANNEL(ADC_InjectedChannel));
- assert_param(IS_ADC_OFFSET(Offset));
- /* Set the selected injected channel data offset */
- *((vu32 *)((*(u32*)&ADCx) + ADC_InjectedChannel)) = (u32)Offset;
- }
- /*******************************************************************************
- * Function Name : ADC_GetInjectedConversionValue
- * Description : Returns the ADC injected channel conversion result
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_InjectedChannel: the converted ADC injected channel.
- * This parameter can be one of the following values:
- * - ADC_InjectedChannel_1: Injected Channel1 selected
- * - ADC_InjectedChannel_2: Injected Channel2 selected
- * - ADC_InjectedChannel_3: Injected Channel3 selected
- * - ADC_InjectedChannel_4: Injected Channel4 selected
- * Output : None
- * Return : The Data conversion value.
- *******************************************************************************/
- u16 ADC_GetInjectedConversionValue(ADC_TypeDef* ADCx, u8 ADC_InjectedChannel)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_INJECTED_CHANNEL(ADC_InjectedChannel));
- /* Returns the selected injected channel conversion data value */
- return (u16) (*(vu32*) (((*(u32*)&ADCx) + ADC_InjectedChannel + JDR_Offset)));
- }
- /*******************************************************************************
- * Function Name : ADC_AnalogWatchdogCmd
- * Description : Enables or disables the analog watchdog on single/all regular
- * or injected channels
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_AnalogWatchdog: the ADC analog watchdog configuration.
- * This parameter can be one of the following values:
- * - ADC_AnalogWatchdog_SingleRegEnable: Analog watchdog on
- * a single regular channel
- * - ADC_AnalogWatchdog_SingleInjecEnable: Analog watchdog on
- * a single injected channel
- * - ADC_AnalogWatchdog_SingleRegOrInjecEnable: Analog
- * watchdog on a single regular or injected channel
- * - ADC_AnalogWatchdog_AllRegEnable: Analog watchdog on
- * all regular channel
- * - ADC_AnalogWatchdog_AllInjecEnable: Analog watchdog on
- * all injected channel
- * - ADC_AnalogWatchdog_AllRegAllInjecEnable: Analog watchdog
- * on all regular and injected channels
- * - ADC_AnalogWatchdog_None: No channel guarded by the
- * analog watchdog
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_AnalogWatchdogCmd(ADC_TypeDef* ADCx, u32 ADC_AnalogWatchdog)
- {
- u32 tmpreg = 0;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_ANALOG_WATCHDOG(ADC_AnalogWatchdog));
- /* Get the old register value */
- tmpreg = ADCx->CR1;
- /* Clear AWDEN, AWDENJ and AWDSGL bits */
- tmpreg &= CR1_AWDMode_Reset;
- /* Set the analog watchdog enable mode */
- tmpreg |= ADC_AnalogWatchdog;
- /* Store the new register value */
- ADCx->CR1 = tmpreg;
- }
- /*******************************************************************************
- * Function Name : ADC_AnalogWatchdogThresholdsConfig
- * Description : Configures the high and low thresholds of the analog watchdog.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - HighThreshold: the ADC analog watchdog High threshold value.
- * This parameter must be a 12bit value.
- * - LowThreshold: the ADC analog watchdog Low threshold value.
- * This parameter must be a 12bit value.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_AnalogWatchdogThresholdsConfig(ADC_TypeDef* ADCx, u16 HighThreshold,
- u16 LowThreshold)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_THRESHOLD(HighThreshold));
- assert_param(IS_ADC_THRESHOLD(LowThreshold));
- /* Set the ADCx high threshold */
- ADCx->HTR = HighThreshold;
- /* Set the ADCx low threshold */
- ADCx->LTR = LowThreshold;
- }
- /*******************************************************************************
- * Function Name : ADC_AnalogWatchdogSingleChannelConfig
- * Description : Configures the analog watchdog guarded single channel
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_Channel: the ADC channel to configure for the analog
- * watchdog.
- * This parameter can be one of the following values:
- * - ADC_Channel_0: ADC Channel0 selected
- * - ADC_Channel_1: ADC Channel1 selected
- * - ADC_Channel_2: ADC Channel2 selected
- * - ADC_Channel_3: ADC Channel3 selected
- * - ADC_Channel_4: ADC Channel4 selected
- * - ADC_Channel_5: ADC Channel5 selected
- * - ADC_Channel_6: ADC Channel6 selected
- * - ADC_Channel_7: ADC Channel7 selected
- * - ADC_Channel_8: ADC Channel8 selected
- * - ADC_Channel_9: ADC Channel9 selected
- * - ADC_Channel_10: ADC Channel10 selected
- * - ADC_Channel_11: ADC Channel11 selected
- * - ADC_Channel_12: ADC Channel12 selected
- * - ADC_Channel_13: ADC Channel13 selected
- * - ADC_Channel_14: ADC Channel14 selected
- * - ADC_Channel_15: ADC Channel15 selected
- * - ADC_Channel_16: ADC Channel16 selected
- * - ADC_Channel_17: ADC Channel17 selected
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_AnalogWatchdogSingleChannelConfig(ADC_TypeDef* ADCx, u8 ADC_Channel)
- {
- u32 tmpreg = 0;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_CHANNEL(ADC_Channel));
- /* Get the old register value */
- tmpreg = ADCx->CR1;
- /* Clear the Analog watchdog channel select bits */
- tmpreg &= CR1_AWDCH_Reset;
- /* Set the Analog watchdog channel */
- tmpreg |= ADC_Channel;
- /* Store the new register value */
- ADCx->CR1 = tmpreg;
- }
- /*******************************************************************************
- * Function Name : ADC_TempSensorVrefintCmd
- * Description : Enables or disables the temperature sensor and Vrefint channel.
- * Input : - NewState: new state of the temperature sensor.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_TempSensorVrefintCmd(FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
- if (NewState != DISABLE)
- {
- /* Enable the temperature sensor and Vrefint channel*/
- ADC1->CR2 |= CR2_TSVREFE_Set;
- }
- else
- {
- /* Disable the temperature sensor and Vrefint channel*/
- ADC1->CR2 &= CR2_TSVREFE_Reset;
- }
- }
- /*******************************************************************************
- * Function Name : ADC_GetFlagStatus
- * Description : Checks whether the specified ADC flag is set or not.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_FLAG: specifies the flag to check.
- * This parameter can be one of the following values:
- * - ADC_FLAG_AWD: Analog watchdog flag
- * - ADC_FLAG_EOC: End of conversion flag
- * - ADC_FLAG_JEOC: End of injected group conversion flag
- * - ADC_FLAG_JSTRT: Start of injected group conversion flag
- * - ADC_FLAG_STRT: Start of regular group conversion flag
- * Output : None
- * Return : The new state of ADC_FLAG (SET or RESET).
- *******************************************************************************/
- FlagStatus ADC_GetFlagStatus(ADC_TypeDef* ADCx, u8 ADC_FLAG)
- {
- FlagStatus bitstatus = RESET;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_GET_FLAG(ADC_FLAG));
- /* Check the status of the specified ADC flag */
- if ((ADCx->SR & ADC_FLAG) != (u8)RESET)
- {
- /* ADC_FLAG is set */
- bitstatus = SET;
- }
- else
- {
- /* ADC_FLAG is reset */
- bitstatus = RESET;
- }
- /* Return the ADC_FLAG status */
- return bitstatus;
- }
- /*******************************************************************************
- * Function Name : ADC_ClearFlag
- * Description : Clears the ADCx's pending flags.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_FLAG: specifies the flag to clear.
- * This parameter can be any combination of the following values:
- * - ADC_FLAG_AWD: Analog watchdog flag
- * - ADC_FLAG_EOC: End of conversion flag
- * - ADC_FLAG_JEOC: End of injected group conversion flag
- * - ADC_FLAG_JSTRT: Start of injected group conversion flag
- * - ADC_FLAG_STRT: Start of regular group conversion flag
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_ClearFlag(ADC_TypeDef* ADCx, u8 ADC_FLAG)
- {
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_CLEAR_FLAG(ADC_FLAG));
- /* Clear the selected ADC flags */
- ADCx->SR = ~(u32)ADC_FLAG;
- }
- /*******************************************************************************
- * Function Name : ADC_GetITStatus
- * Description : Checks whether the specified ADC interrupt has occurred or not.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_IT: specifies the ADC interrupt source to check.
- * This parameter can be one of the following values:
- * - ADC_IT_EOC: End of conversion interrupt mask
- * - ADC_IT_AWD: Analog watchdog interrupt mask
- * - ADC_IT_JEOC: End of injected conversion interrupt mask
- * Output : None
- * Return : The new state of ADC_IT (SET or RESET).
- *******************************************************************************/
- ITStatus ADC_GetITStatus(ADC_TypeDef* ADCx, u16 ADC_IT)
- {
- ITStatus bitstatus = RESET;
- u32 itmask = 0, enablestatus = 0;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_GET_IT(ADC_IT));
- /* Get the ADC IT index */
- itmask = ADC_IT >> 8;
- /* Get the ADC_IT enable bit status */
- enablestatus = (ADCx->CR1 & (u8)ADC_IT) ;
- /* Check the status of the specified ADC interrupt */
- if (((ADCx->SR & itmask) != (u32)RESET) && enablestatus)
- {
- /* ADC_IT is set */
- bitstatus = SET;
- }
- else
- {
- /* ADC_IT is reset */
- bitstatus = RESET;
- }
- /* Return the ADC_IT status */
- return bitstatus;
- }
- /*******************************************************************************
- * Function Name : ADC_ClearITPendingBit
- * Description : Clears the ADCx抯 interrupt pending bits.
- * Input : - ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
- * - ADC_IT: specifies the ADC interrupt pending bit to clear.
- * This parameter can be any combination of the following values:
- * - ADC_IT_EOC: End of conversion interrupt mask
- * - ADC_IT_AWD: Analog watchdog interrupt mask
- * - ADC_IT_JEOC: End of injected conversion interrupt mask
- * Output : None
- * Return : None
- *******************************************************************************/
- void ADC_ClearITPendingBit(ADC_TypeDef* ADCx, u16 ADC_IT)
- {
- u8 itmask = 0;
- /* Check the parameters */
- assert_param(IS_ADC_ALL_PERIPH(ADCx));
- assert_param(IS_ADC_IT(ADC_IT));
- /* Get the ADC IT index */
- itmask = (u8)(ADC_IT >> 8);
- /* Clear the selected ADC interrupt pending bits */
- ADCx->SR = ~(u32)itmask;
- }
- /******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/