1322 lines
53 KiB
C
1322 lines
53 KiB
C
/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
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* File Name : stm32f10x_adc.c
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* Author : MCD Application Team
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* Date First Issued : 09/29/2006
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* Description : This file provides all the ADC firmware functions.
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********************************************************************************
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* History:
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* 04/02/2007: V0.2
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* 02/05/2007: V0.1
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* 09/29/2006: V0.01
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********************************************************************************
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* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
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* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
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* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
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* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f10x_adc.h"
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#include "stm32f10x_rcc.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* ADC ADON mask */
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#define CR2_ADON_Set ((u32)0x00000001)
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#define CR2_ADON_Reset ((u32)0xFFFFFFFE)
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/* ADC DMA mask */
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#define CR2_DMA_Set ((u16)0x0100)
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#define CR2_DMA_Reset ((u16)0xFEFF)
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/* ADC RSTCAL mask */
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#define CR2_RSTCAL_Set ((u16)0x0008)
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/* ADC CAL mask */
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#define CR2_CAL_Set ((u16)0x0004)
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/* ADC SWSTRT mask */
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#define CR2_SWSTRT_Set ((u32)0x00400000)
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/* ADC DISCNUM mask */
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#define CR1_DISCNUM_Reset ((u32)0xFFFF1FFF)
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/* ADC DISCEN mask */
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#define CR1_DISCEN_Set ((u32)0x00000800)
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#define CR1_DISCEN_Reset ((u32)0xFFFFF7FF)
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/* ADC EXTTRIG mask */
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#define CR2_EXTTRIG_Set ((u32)0x00100000)
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#define CR2_EXTTRIG_Reset ((u32)0xFFEFFFFF)
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/* ADC Software start mask */
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#define CR2_EXTTRIG_SWSTRT_Set ((u32)0x00500000)
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#define CR2_EXTTRIG_SWSTRT_Reset ((u32)0xFFAFFFFF)
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/* ADC JAUTO mask */
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#define CR1_JAUTO_Set ((u32)0x00000400)
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#define CR1_JAUTO_Reset ((u32)0xFFFFFBFF)
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/* ADC JDISCEN mask */
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#define CR1_JDISCEN_Set ((u32)0x00001000)
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#define CR1_JDISCEN_Reset ((u32)0xFFFFEFFF)
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/* ADC JEXTSEL mask */
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#define CR2_JEXTSEL_Reset ((u32)0xFFFF8FFF)
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/* ADC JEXTTRIG mask */
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#define CR2_JEXTTRIG_Set ((u32)0x00008000)
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#define CR2_JEXTTRIG_Reset ((u32)0xFFFF7FFF)
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/* ADC JSWSTRT mask */
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#define CR2_JSWSTRT_Set ((u32)0x00200000)
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/* ADC injected software start mask */
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#define CR2_JEXTTRIG_JSWSTRT_Set ((u32)0x00208000)
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#define CR2_JEXTTRIG_JSWSTRT_Reset ((u32)0xFFDF7FFF)
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/* ADC AWDCH mask */
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#define CR1_AWDCH_Reset ((u32)0xFFFFFFE0)
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/* ADC SQx mask */
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#define SQR3_SQ_Set ((u8)0x1F)
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#define SQR2_SQ_Set ((u8)0x1F)
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#define SQR1_SQ_Set ((u8)0x1F)
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/* ADC JSQx mask */
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#define JSQR_JSQ_Set ((u8)0x1F)
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/* ADC JL mask */
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#define JSQR_JL_Reset ((u32)0xFFCFFFFF)
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/* ADC SMPx mask */
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#define SMPR1_SMP_Set ((u8)0x07)
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#define SMPR2_SMP_Set ((u8)0x07)
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/* ADC Analog watchdog enable mode mask */
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#define CR1_AWDMode_Reset ((u32)0xFF3FFDFF)
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/* ADC TSPD mask */
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#define CR2_TSPD_Set ((u32)0x00800000)
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#define CR2_TSPD_Reset ((u32)0xFF7FFFFF)
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/* ADC JDRx registers= offset */
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#define JDR_Offset ((u8)0x28)
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/* ADC registers Masks */
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#define CR1_CLEAR_Mask ((u32)0xFFF0FEFF)
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#define CR2_CLEAR_Mask ((u32)0xFFF1F7FD)
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#define SQR1_CLEAR_Mask ((u32)0xFF0FFFFF)
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/*******************************************************************************
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* Function Name : ADC_DeInit
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* Description : Deinitializes the ADCx peripheral registers to their default
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* reset values.
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* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
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* Output : None
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* Return : None
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*******************************************************************************/
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void ADC_DeInit(ADC_TypeDef* ADCx)
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{
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switch (*(u32*)&ADCx)
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{
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case ADC1_BASE:
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/* Enable ADC1 reset state */
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RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, ENABLE);
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/* Release ADC1 from reset state */
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RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, DISABLE);
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break;
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case ADC2_BASE:
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/* Enable ADC2 reset state */
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RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC2, ENABLE);
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/* Release ADC2 from reset state */
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RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC2, DISABLE);
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break;
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default:
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break;
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}
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}
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/*******************************************************************************
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* Function Name : ADC_Init
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* Description : Initializes the ADCx according to the specified parameters
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* in the ADC_InitStruct.
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* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
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* - ADC_InitStruct: pointer to a ADC_InitTypeDef structure that
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* contains the configuration information for the specified
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* ADC peripheral.
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* Output : None
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* Return : None
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******************************************************************************/
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void ADC_Init(ADC_TypeDef* ADCx, ADC_InitTypeDef* ADC_InitStruct)
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{
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u32 tmpreg1 = 0;
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u8 tmpreg2 = 0;
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/* Check the parameters */
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assert(IS_ADC_MODE(ADC_InitStruct->ADC_Mode));
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assert(IS_FUNCTIONAL_STATE(ADC_InitStruct->ADC_ScanConvMode));
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assert(IS_FUNCTIONAL_STATE(ADC_InitStruct->ADC_ContinuousConvMode));
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assert(IS_ADC_EXT_TRIG(ADC_InitStruct->ADC_ExternalTrigConv));
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assert(IS_ADC_DATA_ALIGN(ADC_InitStruct->ADC_DataAlign));
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assert(IS_ADC_REGULAR_LENGTH(ADC_InitStruct->ADC_NbrOfChannel));
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/*---------------------------- ADCx CR1 Configuration -----------------*/
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/* Get the ADCx CR1 value */
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tmpreg1 = ADCx->CR1;
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/* Clear DUALMODE and SCAN bits */
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tmpreg1 &= CR1_CLEAR_Mask;
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/* Configure ADCx: Dual mode and scan conversion mode */
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/* Set DUALMODE bits according to ADC_Mode value */
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/* Set SCAN bit according to ADC_ScanConvMode value */
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tmpreg1 |= (u32)(ADC_InitStruct->ADC_Mode | ((u32)ADC_InitStruct->ADC_ScanConvMode << 8));
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/* Write to ADCx CR1 */
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ADCx->CR1 = tmpreg1;
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/*---------------------------- ADCx CR2 Configuration -----------------*/
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/* Get the ADCx CR2 value */
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tmpreg1 = ADCx->CR2;
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/* Clear CONT, ALIGN and EXTTRIG bits */
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tmpreg1 &= CR2_CLEAR_Mask;
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/* Configure ADCx: external trigger event and continuous conversion mode */
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/* Set ALIGN bit according to ADC_DataAlign value */
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/* Set EXTTRIG bits according to ADC_ExternalTrigConv value */
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/* Set CONT bit according to ADC_ContinuousConvMode value */
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tmpreg1 |= (u32)(ADC_InitStruct->ADC_DataAlign | ADC_InitStruct->ADC_ExternalTrigConv |
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((u32)ADC_InitStruct->ADC_ContinuousConvMode << 1));
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/* Write to ADCx CR2 */
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ADCx->CR2 = tmpreg1;
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/*---------------------------- ADCx SQR1 Configuration -----------------*/
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/* Get the ADCx SQR1 value */
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tmpreg1 = ADCx->SQR1;
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/* Clear L bits */
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tmpreg1 &= SQR1_CLEAR_Mask;
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/* Configure ADCx: regular channel sequence length */
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/* Set L bits according to ADC_NbrOfChannel value */
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tmpreg2 |= (ADC_InitStruct->ADC_NbrOfChannel - 1);
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tmpreg1 |= ((u32)tmpreg2 << 20);
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/* Write to ADCx SQR1 */
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ADCx->SQR1 = tmpreg1;
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}
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/*******************************************************************************
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* Function Name : ADC_StructInit
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* Description : Fills each ADC_InitStruct member with its default value.
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* Input : ADC_InitStruct : pointer to a ADC_InitTypeDef structure
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* which will be initialized.
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* Output : None
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* Return : None
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*******************************************************************************/
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void ADC_StructInit(ADC_InitTypeDef* ADC_InitStruct)
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{
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/* Reset ADC init structure parameters values */
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/* Initialize the ADC_Mode member */
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ADC_InitStruct->ADC_Mode = ADC_Mode_Independent;
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/* initialize the ADC_ScanConvMode member */
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ADC_InitStruct->ADC_ScanConvMode = DISABLE;
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/* Initialize the ADC_ContinuousConvMode member */
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ADC_InitStruct->ADC_ContinuousConvMode = DISABLE;
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/* Initialize the ADC_ExternalTrigConv member */
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ADC_InitStruct->ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
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/* Initialize the ADC_DataAlign member */
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ADC_InitStruct->ADC_DataAlign = ADC_DataAlign_Right;
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/* Initialize the ADC_NbrOfChannel member */
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ADC_InitStruct->ADC_NbrOfChannel = 1;
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}
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/*******************************************************************************
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* Function Name : ADC_Cmd
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* Description : Enables or disables the specified ADC peripheral.
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* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
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* - NewState: new state of the ADCx peripheral. This parameter
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* can be: ENABLE or DISABLE.
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* Output : None
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* Return : None
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*******************************************************************************/
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void ADC_Cmd(ADC_TypeDef* ADCx, FunctionalState NewState)
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{
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/* Check the parameters */
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assert(IS_FUNCTIONAL_STATE(NewState));
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if (NewState != DISABLE)
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{
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/* Set the ADON bit to wake up the ADC from power down mode */
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ADCx->CR2 |= CR2_ADON_Set;
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}
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else
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{
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/* Disable the selected ADC peripheral */
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ADCx->CR2 &= CR2_ADON_Reset;
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}
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}
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/*******************************************************************************
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* Function Name : ADC_DMACmd
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* Description : Enables or disables the specified ADC DMA request.
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* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
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* - NewState: new state of the selected ADC DMA transfer.
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* This parameter can be: ENABLE or DISABLE.
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* Output : None
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* Return : None
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*******************************************************************************/
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void ADC_DMACmd(ADC_TypeDef* ADCx, FunctionalState NewState)
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{
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/* Check the parameters */
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assert(IS_FUNCTIONAL_STATE(NewState));
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if (NewState != DISABLE)
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{
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/* Enable the selected ADC DMA request */
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ADCx->CR2 |= CR2_DMA_Set;
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}
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else
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{
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/* Disable the selected ADC DMA request */
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ADCx->CR2 &= CR2_DMA_Reset;
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}
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}
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/*******************************************************************************
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* Function Name : ADC_ITConfig
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* Description : Enables or disables the specified ADC interrupts.
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* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
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* - ADC_IT: specifies the ADC interrupts sources to be enabled
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* or disabled.
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* This parameter can be any combination of the following values:
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* - ADC_IT_EOC: End of conversion interrupt mask
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* - ADC_IT_AWD: Analog watchdog interrupt mask
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* - ADC_IT_JEOC: End of injected conversion interrupt mask
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* - NewState: new state of the specified ADC interrupts.
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* This parameter can be: ENABLE or DISABLE.
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* Output : None
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* Return : None
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*******************************************************************************/
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void ADC_ITConfig(ADC_TypeDef* ADCx, u16 ADC_IT, FunctionalState NewState)
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{
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u8 itmask = 0;
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/* Check the parameters */
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assert(IS_FUNCTIONAL_STATE(NewState));
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assert(IS_ADC_IT(ADC_IT));
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/* Get the ADC IT index */
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itmask = (u8)ADC_IT;
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if (NewState != DISABLE)
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{
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/* Enable the selected ADC interrupts */
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ADCx->CR1 |= itmask;
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}
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else
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{
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/* Disable the selected ADC interrupts */
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ADCx->CR1 &= (~(u32)itmask);
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}
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}
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/*******************************************************************************
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* Function Name : ADC_ResetCalibration
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* Description : Resets the ADC calibration registers.
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* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
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* Output : None
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* Return : None
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*******************************************************************************/
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void ADC_ResetCalibration(ADC_TypeDef* ADCx)
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{
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/* Resets the selected ADC calibartion registers */
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ADCx->CR2 |= CR2_RSTCAL_Set;
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}
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/*******************************************************************************
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* Function Name : ADC_GetResetCalibrationStatus
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* Description : Gets the ADC reset calibration registers status.
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* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
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* Output : None
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* Return : The new state of ADC Reset Calibration registers (SET or RESET).
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*******************************************************************************/
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FlagStatus ADC_GetResetCalibrationStatus(ADC_TypeDef* ADCx)
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{
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FlagStatus bitstatus = RESET;
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/* Check the status of RSTCAL bit */
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if ((ADCx->CR2 & CR2_RSTCAL_Set) != (u16)RESET)
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{
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/* RSTCAL bit is set */
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bitstatus = SET;
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}
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else
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{
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/* RSTCAL bit is reset */
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bitstatus = RESET;
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}
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/* Return the RSTCAL bit status */
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return bitstatus;
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}
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/*******************************************************************************
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* Function Name : ADC_StartCalibration
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* Description : Starts the calibration process.
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* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
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* Output : None
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* Return : None
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*******************************************************************************/
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void ADC_StartCalibration(ADC_TypeDef* ADCx)
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{
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/* Enable the selected ADC calibration process */
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ADCx->CR2 |= CR2_CAL_Set;
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}
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/*******************************************************************************
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* Function Name : ADC_GetCalibrationStatus
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* Description : Gets the ADC calibration status.
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* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
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* Output : None
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* Return : The new state of ADC calibration (SET or RESET).
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*******************************************************************************/
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FlagStatus ADC_GetCalibrationStatus(ADC_TypeDef* ADCx)
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{
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FlagStatus bitstatus = RESET;
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/* Check the status of CAL bit */
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if ((ADCx->CR2 & CR2_CAL_Set) != (u16)RESET)
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{
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/* CAL bit is set: calibration on going */
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bitstatus = SET;
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}
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else
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{
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/* CAL bit is reset: end of calibration */
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bitstatus = RESET;
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}
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/* Return the CAL bit status */
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return bitstatus;
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}
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/*******************************************************************************
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* Function Name : ADC_SoftwareStartConvCmd
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* Description : Enables or disables the ADC software start conversion .
|
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* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
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* - NewState: new state of the selected ADC software start conversion.
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* This parameter can be: ENABLE or DISABLE.
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* Output : None
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* Return : None
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*******************************************************************************/
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void ADC_SoftwareStartConvCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
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{
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/* Check the parameters */
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assert(IS_FUNCTIONAL_STATE(NewState));
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if (NewState != DISABLE)
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{
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/* Enable the selected ADC conversion on external event */
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/* Starts the selected ADC conversion */
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ADCx->CR2 |= CR2_EXTTRIG_SWSTRT_Set;
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}
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else
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{
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/* Stops the selected ADC conversion */
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/* Disable the selected ADC conversion on external event */
|
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ADCx->CR2 &= CR2_EXTTRIG_SWSTRT_Reset;
|
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}
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}
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|
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/*******************************************************************************
|
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* Function Name : ADC_GetSoftwareStartConvStatus
|
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* Description : Gets the ADC Software start conversion Status.
|
||
* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
|
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* Output : None
|
||
* Return : The new state of ADC software start conversion (SET or RESET).
|
||
*******************************************************************************/
|
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FlagStatus ADC_GetSoftwareStartConvStatus(ADC_TypeDef* ADCx)
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{
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FlagStatus bitstatus = RESET;
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/* Check the status of SWSTRT bit */
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if ((ADCx->CR2 & CR2_SWSTRT_Set) != (u32)RESET)
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{
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/* SWSTRT bit is set */
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bitstatus = SET;
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}
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else
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{
|
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/* SWSTRT bit is reset */
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bitstatus = RESET;
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}
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/* Return the SWSTRT bit status */
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return bitstatus;
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}
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|
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/*******************************************************************************
|
||
* Function Name : ADC_DiscModeChannelCountConfig
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* Description : Configures the discontinuous mode for the selected ADC regular
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* group channel.
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* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
|
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* - Number: specifies the discontinuous mode regular channel
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* count value. This mumber must be between 1 and 8.
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* Output : None
|
||
* Return : None
|
||
*******************************************************************************/
|
||
void ADC_DiscModeChannelCountConfig(ADC_TypeDef* ADCx, u8 Number)
|
||
{
|
||
u32 tmpreg1 = 0;
|
||
u8 tmpreg2 = 0;
|
||
|
||
/* Check the parameters */
|
||
assert(IS_ADC_REGULAR_DISC_NUMBER(Number));
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||
|
||
/* Get the old register value */
|
||
tmpreg1 = ADCx->CR1;
|
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/* Clear the old discontinuous mode channel count */
|
||
tmpreg1 &= CR1_DISCNUM_Reset;
|
||
/* Set the discontinuous mode channel count */
|
||
tmpreg2 = Number - 1;
|
||
tmpreg1 |= ((u32)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 or 2 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(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 or 2 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(IS_ADC_CHANNEL(ADC_Channel));
|
||
assert(IS_ADC_REGULAR_RANK(Rank));
|
||
assert(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 = (u32)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 = (u32)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 = (u32)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 = (u32)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 = (u32)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 or 2 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(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 ADC conversion result data for regular channel.
|
||
* Input : - ADCx: where x can be 1 or 2 to select the ADC peripheral.
|
||
* Output : None
|
||
* Return : The Data conversion value.
|
||
*******************************************************************************/
|
||
u16 ADC_GetConversionValue(ADC_TypeDef* ADCx)
|
||
{
|
||
/* Return the selected ADC conversion value */
|
||
return (u16) ADCx->DR;
|
||
}
|
||
|
||
/*******************************************************************************
|
||
* Function Name : ADC_GetDualModeConversionValue
|
||
* Description : Returns the last ADCs conversion result data in dual mode.
|
||
* Output : None
|
||
* Return : The Data conversion value.
|
||
*******************************************************************************/
|
||
u32 ADC_GetDualModeConversionValue(void)
|
||
{
|
||
/* Return the dual mode conversion value */
|
||
return ADC1->DR;
|
||
}
|
||
|
||
/*******************************************************************************
|
||
* Function Name : ADC_AutoInjectedConvCmd
|
||
* Description : Enables or disables the automatic injected group conversion
|
||
* after regular one.
|
||
* Input : - ADCx: where x can be 1 or 2 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(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 or 2 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(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 external trigger for injected channels conversion.
|
||
* Input : - ADCx: where x can be 1 or 2 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
|
||
* - ADC_ExternalTrigInjecConv_T1_CC4: Timer1 capture
|
||
* compare4 selected
|
||
* - ADC_ExternalTrigInjecConv_T2_TRGO: Timer2 TRGO event
|
||
* selected
|
||
* - ADC_ExternalTrigInjecConv_T2_CC1: Timer2 capture
|
||
* compare1 selected
|
||
* - ADC_ExternalTrigInjecConv_T3_CC4: Timer3 capture
|
||
* compare4 selected
|
||
* - ADC_ExternalTrigInjecConv_T4_TRGO: Timer4 TRGO event
|
||
* selected
|
||
* - ADC_ExternalTrigInjecConv_Ext_Interrupt15: External
|
||
* interrupt 15 event selected
|
||
* - ADC_ExternalTrigInjecConv_None: Injected conversion
|
||
* started by software and not by external trigger
|
||
* Output : None
|
||
* Return : None
|
||
*******************************************************************************/
|
||
void ADC_ExternalTrigInjectedConvConfig(ADC_TypeDef* ADCx, u32 ADC_ExternalTrigInjecConv)
|
||
{
|
||
u32 tmpreg = 0;
|
||
|
||
/* Check the parameters */
|
||
assert(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 or 2 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(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 start of the injected channels conversion.
|
||
* Input : - ADCx: where x can be 1 or 2 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(IS_FUNCTIONAL_STATE(NewState));
|
||
|
||
if (NewState != DISABLE)
|
||
{
|
||
/* Enable the selected ADC external event selection for injected group */
|
||
/* Starts the selected ADC injected conversion */
|
||
ADCx->CR2 |= CR2_JEXTTRIG_JSWSTRT_Set;
|
||
}
|
||
else
|
||
{
|
||
/* Stops the selected ADC injected conversion */
|
||
/* Disable the selected ADC external event selection for injected group */
|
||
ADCx->CR2 &= CR2_JEXTTRIG_JSWSTRT_Reset;
|
||
}
|
||
}
|
||
|
||
/*******************************************************************************
|
||
* Function Name : ADC_GetSoftwareStartInjectedConvCmdStatus
|
||
* Description : Gets the ADC Software start injected conversion Status.
|
||
* Input : - ADCx: where x can be 1 or 2 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 status of JSWSTRT bit */
|
||
if ((ADCx->CR2 & CR2_JSWSTRT_Set) != (u32)RESET)
|
||
{
|
||
/* JSWSTRT bit is set */
|
||
bitstatus = SET;
|
||
}
|
||
else
|
||
{
|
||
/* JSWSTRT bit is reset */
|
||
bitstatus = RESET;
|
||
}
|
||
/* Return the JSWSTRT 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 or 2 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;
|
||
u8 tmpreg3 = 0;
|
||
|
||
/* Check the parameters */
|
||
assert(IS_ADC_CHANNEL(ADC_Channel));
|
||
assert(IS_ADC_INJECTED_RANK(Rank));
|
||
assert(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 = (u32)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 = (u32)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 = (u8)((tmpreg1 & (u32)~JSQR_JL_Reset)>> 20);
|
||
/* Calculate the mask to clear: ((Rank-1)+(4-JL-1)) */
|
||
tmpreg2 = (u32)JSQR_JSQ_Set << (5 * ((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 * ((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 for injected channels
|
||
* Input : - ADCx: where x can be 1 or 2 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;
|
||
u8 tmpreg2 = 0;
|
||
|
||
/* Check the parameters */
|
||
assert(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 |= (u32)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 or 2 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
|
||
* Output : None
|
||
* Return : None
|
||
*******************************************************************************/
|
||
void ADC_SetInjectedOffset(ADC_TypeDef* ADCx, u8 ADC_InjectedChannel, u16 Offset)
|
||
{
|
||
/* Check the parameters */
|
||
assert(IS_ADC_INJECTED_CHANNEL(ADC_InjectedChannel));
|
||
assert(IS_ADC_OFFSET(Offset));
|
||
|
||
/* Set the selected injected channel data offset */
|
||
*((u32 *)((*(u32*)&ADCx) + ADC_InjectedChannel)) = (u32)Offset;
|
||
}
|
||
|
||
/*******************************************************************************
|
||
* Function Name : ADC_GetInjectedConversionValue
|
||
* Description : Returns the ADC conversion result data for the selected
|
||
* injected channel
|
||
* Input : - ADCx: where x can be 1 or 2 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(IS_ADC_INJECTED_CHANNEL(ADC_InjectedChannel));
|
||
|
||
/* Returns the selected injected channel conversion data value */
|
||
return (u16) (*(u32*) (((*(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 or 2 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(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 or 2 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(IS_ADC_THRESHOLD(HighThreshold));
|
||
assert(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 or 2 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(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_TempSensorCmd
|
||
* Description : Enables or disables the temperature sensor.
|
||
* Input : - NewState: new state of the temperature sensor.
|
||
* This parameter can be: ENABLE or DISABLE.
|
||
* Output : None
|
||
* Return : None
|
||
*******************************************************************************/
|
||
void ADC_TempSensorCmd(FunctionalState NewState)
|
||
{
|
||
/* Check the parameters */
|
||
assert(IS_FUNCTIONAL_STATE(NewState));
|
||
|
||
if (NewState != DISABLE)
|
||
{
|
||
/* Enable the temperature sensor */
|
||
ADC1->CR2 |= CR2_TSPD_Set;
|
||
}
|
||
else
|
||
{
|
||
/* Disable the temperature sensor */
|
||
ADC1->CR2 &= CR2_TSPD_Reset;
|
||
}
|
||
}
|
||
|
||
/*******************************************************************************
|
||
* Function Name : ADC_GetFlagStatus
|
||
* Description : Checks whether the specified ADC flag is set or not.
|
||
* Input : - ADCx: where x can be 1 or 2 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(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 or 2 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(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 or 2 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;
|
||
u8 itmask = 0, enablestatus;
|
||
|
||
/* Check the parameters */
|
||
assert(IS_ADC_GET_IT(ADC_IT));
|
||
|
||
/* Get the ADC IT index */
|
||
itmask = (u8)(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) != (u8)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 ADC<44>s interrupt pending bits.
|
||
* Input : - 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(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 2007 STMicroelectronics *****END OF FILE****/
|