stm32f0xx_adc.h

stm32f0固件库

/**
  ******************************************************************************
  * @file    stm32f0xx_adc.h
  * @author  MCD Application Team
  * @version V1.0.0
  * @date    23-March-2012
  * @brief   This file contains all the functions prototypes for the ADC firmware 
  *          library
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F0XX_ADC_H
#define __STM32F0XX_ADC_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx.h"

/** @addtogroup STM32F0xx_StdPeriph_Driver
  * @{
  */

/** @addtogroup ADC
  * @{
  */

/* Exported types ------------------------------------------------------------*/

/** 
  * @brief  ADC Init structure definition
  */
  
typedef struct
{
  uint32_t ADC_Resolution;                  /*!< Selects the resolution of the conversion.
                                                 This parameter can be a value of @ref ADC_Resolution */

  FunctionalState ADC_ContinuousConvMode;   /*!< Specifies whether the conversion is performed in
                                                 Continuous or Single mode.
                                                 This parameter can be set to ENABLE or DISABLE. */

  uint32_t ADC_ExternalTrigConvEdge;        /*!< Selects the external trigger Edge and enables the
                                                 trigger of a regular group. This parameter can be a value
                                                 of @ref ADC_external_trigger_edge_conversion */

  uint32_t ADC_ExternalTrigConv;            /*!< Defines the external trigger used to start the analog
                                                 to digital conversion of regular channels. This parameter
                                                 can be a value of @ref ADC_external_trigger_sources_for_channels_conversion */

  uint32_t ADC_DataAlign;                   /*!< Specifies whether the ADC data alignment is left or right.
                                                 This parameter can be a value of @ref ADC_data_align */

  uint32_t  ADC_ScanDirection;              /*!< Specifies in which direction the channels will be scanned
                                                 in the sequence. 
                                                 This parameter can be a value of @ref ADC_Scan_Direction */
}ADC_InitTypeDef;


/* Exported constants --------------------------------------------------------*/

/** @defgroup ADC_Exported_Constants
  * @{
  */ 
#define IS_ADC_ALL_PERIPH(PERIPH)                  ((PERIPH) == ADC1)

/** @defgroup ADC_JitterOff
  * @{
  */ 
#define ADC_JitterOff_PCLKDiv2                    ADC_CFGR2_JITOFFDIV2
#define ADC_JitterOff_PCLKDiv4                    ADC_CFGR2_JITOFFDIV4

#define IS_ADC_JITTEROFF(JITTEROFF) (((JITTEROFF) & 0x3FFFFFFF) == (uint32_t)RESET)

/**
  * @}
  */ 

/** @defgroup ADC_Resolution
  * @{
  */ 
#define ADC_Resolution_12b                         ((uint32_t)0x00000000)
#define ADC_Resolution_10b                         ADC_CFGR1_RES_0
#define ADC_Resolution_8b                          ADC_CFGR1_RES_1
#define ADC_Resolution_6b                          ADC_CFGR1_RES

#define IS_ADC_RESOLUTION(RESOLUTION) (((RESOLUTION) == ADC_Resolution_12b) || \
                                       ((RESOLUTION) == ADC_Resolution_10b) || \
                                       ((RESOLUTION) == ADC_Resolution_8b) || \
                                       ((RESOLUTION) == ADC_Resolution_6b))

/**
  * @}
  */ 

/** @defgroup ADC_external_trigger_edge_conversion 
  * @{
  */ 
#define ADC_ExternalTrigConvEdge_None              ((uint32_t)0x00000000)
#define ADC_ExternalTrigConvEdge_Rising            ADC_CFGR1_EXTEN_0
#define ADC_ExternalTrigConvEdge_Falling           ADC_CFGR1_EXTEN_1
#define ADC_ExternalTrigConvEdge_RisingFalling     ADC_CFGR1_EXTEN

#define IS_ADC_EXT_TRIG_EDGE(EDGE) (((EDGE) == ADC_ExternalTrigConvEdge_None) || \
                                    ((EDGE) == ADC_ExternalTrigConvEdge_Rising) || \
                                    ((EDGE) == ADC_ExternalTrigConvEdge_Falling) || \
                                    ((EDGE) == ADC_ExternalTrigConvEdge_RisingFalling))
/**
  * @}
  */ 

/** @defgroup ADC_external_trigger_sources_for_channels_conversion
  * @{
  */ 

/* TIM1 */
#define ADC_ExternalTrigConv_T1_TRGO               ((uint32_t)0x00000000)
#define ADC_ExternalTrigConv_T1_CC4                ADC_CFGR1_EXTSEL_0

/* TIM2 */
#define ADC_ExternalTrigConv_T2_TRGO               ADC_CFGR1_EXTSEL_1

/* TIM3 */
#define ADC_ExternalTrigConv_T3_TRGO               ((uint32_t)(ADC_CFGR1_EXTSEL_0 | ADC_CFGR1_EXTSEL_1))

/* TIM15 */
#define ADC_ExternalTrigConv_T15_TRGO              ADC_CFGR1_EXTSEL_2

#define IS_ADC_EXTERNAL_TRIG_CONV(CONV) (((CONV) == ADC_ExternalTrigConv_T1_TRGO) || \
                                         ((CONV) == ADC_ExternalTrigConv_T1_CC4)   || \
                                         ((CONV) == ADC_ExternalTrigConv_T2_TRGO)  || \
                                         ((CONV) == ADC_ExternalTrigConv_T3_TRGO)  || \
                                         ((CONV) == ADC_ExternalTrigConv_T15_TRGO)) 
/**
  * @}
  */ 

/** @defgroup ADC_data_align 
  * @{
  */ 
  
#define ADC_DataAlign_Right                        ((uint32_t)0x00000000)
#define ADC_DataAlign_Left                         ADC_CFGR1_ALIGN

#define IS_ADC_DATA_ALIGN(ALIGN) (((ALIGN) == ADC_DataAlign_Right) || \
                                  ((ALIGN) == ADC_DataAlign_Left))
/**
  * @}
  */

/** @defgroup ADC_Scan_Direction 
  * @{
  */ 
  
#define ADC_ScanDirection_Upward                   ((uint32_t)0x00000000)
#define ADC_ScanDirection_Backward                 ADC_CFGR1_SCANDIR

#define IS_ADC_SCAN_DIRECTION(DIRECTION) (((DIRECTION) == ADC_ScanDirection_Upward) || \
                                          ((DIRECTION) == ADC_ScanDirection_Backward))
/**
  * @}
  */ 

/** @defgroup ADC_Scan_Direction 
  * @{
  */ 
  
#define ADC_DMAMode_OneShot                        ((uint32_t)0x00000000)
#define ADC_DMAMode_Circular                       ADC_CFGR1_DMACFG

#define IS_ADC_DMA_MODE(MODE) (((MODE) == ADC_DMAMode_OneShot) || \
                               ((MODE) == ADC_DMAMode_Circular))
/**
  * @}
  */ 
    
/** @defgroup ADC_analog_watchdog_selection 
  * @{
  */ 
  
#define ADC_AnalogWatchdog_Channel_0                 ((uint32_t)0x00000000)
#define ADC_AnalogWatchdog_Channel_1                 ((uint32_t)0x04000000)
#define ADC_AnalogWatchdog_Channel_2                 ((uint32_t)0x08000000)
#define ADC_AnalogWatchdog_Channel_3                 ((uint32_t)0x0C000000)
#define ADC_AnalogWatchdog_Channel_4                 ((uint32_t)0x10000000)
#define ADC_AnalogWatchdog_Channel_5                 ((uint32_t)0x14000000)
#define ADC_AnalogWatchdog_Channel_6                 ((uint32_t)0x18000000)
#define ADC_AnalogWatchdog_Channel_7                 ((uint32_t)0x1C000000)
#define ADC_AnalogWatchdog_Channel_8                 ((uint32_t)0x20000000)
#define ADC_AnalogWatchdog_Channel_9                 ((uint32_t)0x24000000)
#define ADC_AnalogWatchdog_Channel_10                ((uint32_t)0x28000000)
#define ADC_AnalogWatchdog_Channel_11                ((uint32_t)0x2C000000)
#define ADC_AnalogWatchdog_Channel_12                ((uint32_t)0x30000000)
#define ADC_AnalogWatchdog_Channel_13                ((uint32_t)0x34000000)
#define ADC_AnalogWatchdog_Channel_14                ((uint32_t)0x38000000)
#define ADC_AnalogWatchdog_Channel_15                ((uint32_t)0x3C000000)
#define ADC_AnalogWatchdog_Channel_16                ((uint32_t)0x40000000)