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| author | Perry Hung <iperry@alum.mit.edu> | 2010-03-30 22:03:00 -0400 |
|---|---|---|
| committer | Perry Hung <iperry@alum.mit.edu> | 2010-03-30 22:03:00 -0400 |
| commit | 2c33d55bae8f9e0e009634072ab05302fc734a65 (patch) | |
| tree | 63285f96e795fc423cd5bf573340d12f6c8d5513 /stm32lib/src/stm32f10x_adc.c | |
| parent | 23149e9706ff0a6a338e13804456dff4c655e34b (diff) | |
| parent | 1d3861ef93f8423176c6010ab606abdab00a7cbd (diff) | |
| download | librambutan-2c33d55bae8f9e0e009634072ab05302fc734a65.tar.gz librambutan-2c33d55bae8f9e0e009634072ab05302fc734a65.zip | |
Merge branch 'master' into rcc-dev
Conflicts:
Makefile
Diffstat (limited to 'stm32lib/src/stm32f10x_adc.c')
| -rw-r--r-- | stm32lib/src/stm32f10x_adc.c | 1402 |
1 files changed, 1402 insertions, 0 deletions
diff --git a/stm32lib/src/stm32f10x_adc.c b/stm32lib/src/stm32f10x_adc.c new file mode 100644 index 0000000..413c920 --- /dev/null +++ b/stm32lib/src/stm32f10x_adc.c @@ -0,0 +1,1402 @@ +/******************** (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’s 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****/
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