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/**
******************************************************************************
* @file stm32f0xx_comp.h
* @author MCD Application Team
* @version V1.3.0
* @date 16-January-2014
* @brief This file contains all the functions prototypes for the COMP firmware
* library, applicable only for STM32F051 and STM32F072 devices.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2014 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_COMP_H
#define __STM32F0XX_COMP_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx.h"
/** @addtogroup STM32F0xx_StdPeriph_Driver
* @{
*/
/** @addtogroup COMP
* @{
*/
/* Exported types ------------------------------------------------------------*/
/**
* @brief COMP Init structure definition
*/
typedef struct
{
uint32_t COMP_InvertingInput; /*!< Selects the inverting input of the comparator.
This parameter can be a value of @ref COMP_InvertingInput */
uint32_t COMP_Output; /*!< Selects the output redirection of the comparator.
This parameter can be a value of @ref COMP_Output */
uint32_t COMP_OutputPol; /*!< Selects the output polarity of the comparator.
This parameter can be a value of @ref COMP_OutputPolarity */
uint32_t COMP_Hysteresis; /*!< Selects the hysteresis voltage of the comparator.
This parameter can be a value of @ref COMP_Hysteresis */
uint32_t COMP_Mode; /*!< Selects the operating mode of the comparator
and allows to adjust the speed/consumption.
This parameter can be a value of @ref COMP_Mode */
}COMP_InitTypeDef;
/* Exported constants --------------------------------------------------------*/
/** @defgroup COMP_Exported_Constants
* @{
*/
/** @defgroup COMP_Selection
* @{
*/
#define COMP_Selection_COMP1 ((uint32_t)0x00000000) /*!< COMP1 Selection */
#define COMP_Selection_COMP2 ((uint32_t)0x00000010) /*!< COMP2 Selection */
#define IS_COMP_ALL_PERIPH(PERIPH) (((PERIPH) == COMP_Selection_COMP1) || \
((PERIPH) == COMP_Selection_COMP2))
/**
* @}
*/
/** @defgroup COMP_InvertingInput
* @{
*/
#define COMP_InvertingInput_1_4VREFINT ((uint32_t)0x00000000) /*!< 1/4 VREFINT connected to comparator inverting input */
#define COMP_InvertingInput_1_2VREFINT COMP_CSR_COMP1INSEL_0 /*!< 1/2 VREFINT connected to comparator inverting input */
#define COMP_InvertingInput_3_4VREFINT COMP_CSR_COMP1INSEL_1 /*!< 3/4 VREFINT connected to comparator inverting input */
#define COMP_InvertingInput_VREFINT ((uint32_t)0x00000030) /*!< VREFINT connected to comparator inverting input */
#define COMP_InvertingInput_DAC1 COMP_CSR_COMP1INSEL_2 /*!< DAC1_OUT (PA4) connected to comparator inverting input */
#define COMP_InvertingInput_DAC2 ((uint32_t)0x00000050) /*!< DAC2_OUT (PA5) connected to comparator inverting input, applicable only for STM32F072 devices */
#define COMP_InvertingInput_IO ((uint32_t)0x00000060) /*!< I/O (PA0 for COMP1 and PA2 for COMP2) connected to comparator inverting input */
#define IS_COMP_INVERTING_INPUT(INPUT) (((INPUT) == COMP_InvertingInput_1_4VREFINT) || \
((INPUT) == COMP_InvertingInput_1_2VREFINT) || \
((INPUT) == COMP_InvertingInput_3_4VREFINT) || \
((INPUT) == COMP_InvertingInput_VREFINT) || \
((INPUT) == COMP_InvertingInput_DAC1) || \
((INPUT) == COMP_InvertingInput_DAC2) || \
((INPUT) == COMP_InvertingInput_1_4VREFINT) || \
((INPUT) == COMP_InvertingInput_IO))
/**
* @}
*/
/** @defgroup COMP_Output
* @{
*/
#define COMP_Output_None ((uint32_t)0x00000000) /*!< COMP output isn't connected to other peripherals */
#define COMP_Output_TIM1BKIN COMP_CSR_COMP1OUTSEL_0 /*!< COMP output connected to TIM1 Break Input (BKIN) */
#define COMP_Output_TIM1IC1 COMP_CSR_COMP1OUTSEL_1 /*!< COMP output connected to TIM1 Input Capture 1 */
#define COMP_Output_TIM1OCREFCLR ((uint32_t)0x00000300) /*!< COMP output connected to TIM1 OCREF Clear */
#define COMP_Output_TIM2IC4 COMP_CSR_COMP1OUTSEL_2 /*!< COMP output connected to TIM2 Input Capture 4 */
#define COMP_Output_TIM2OCREFCLR ((uint32_t)0x00000500) /*!< COMP output connected to TIM2 OCREF Clear */
#define COMP_Output_TIM3IC1 ((uint32_t)0x00000600) /*!< COMP output connected to TIM3 Input Capture 1 */
#define COMP_Output_TIM3OCREFCLR COMP_CSR_COMP1OUTSEL /*!< COMP output connected to TIM3 OCREF Clear */
#define IS_COMP_OUTPUT(OUTPUT) (((OUTPUT) == COMP_Output_None) || \
((OUTPUT) == COMP_Output_TIM1BKIN) || \
((OUTPUT) == COMP_Output_TIM1IC1) || \
((OUTPUT) == COMP_Output_TIM1OCREFCLR) || \
((OUTPUT) == COMP_Output_TIM2IC4) || \
((OUTPUT) == COMP_Output_TIM2OCREFCLR) || \
((OUTPUT) == COMP_Output_TIM3IC1) || \
((OUTPUT) == COMP_Output_TIM3OCREFCLR))
/**
* @}
*/
/** @defgroup COMP_OutputPolarity
* @{
*/
#define COMP_OutputPol_NonInverted ((uint32_t)0x00000000) /*!< COMP output on GPIO isn't inverted */
#define COMP_OutputPol_Inverted COMP_CSR_COMP1POL /*!< COMP output on GPIO is inverted */
#define IS_COMP_OUTPUT_POL(POL) (((POL) == COMP_OutputPol_NonInverted) || \
((POL) == COMP_OutputPol_Inverted))
/**
* @}
*/
/** @defgroup COMP_Hysteresis
* @{
*/
/* Please refer to the electrical characteristics in the device datasheet for
the hysteresis level */
#define COMP_Hysteresis_No 0x00000000 /*!< No hysteresis */
#define COMP_Hysteresis_Low COMP_CSR_COMP1HYST_0 /*!< Hysteresis level low */
#define COMP_Hysteresis_Medium COMP_CSR_COMP1HYST_1 /*!< Hysteresis level medium */
#define COMP_Hysteresis_High COMP_CSR_COMP1HYST /*!< Hysteresis level high */
#define IS_COMP_HYSTERESIS(HYSTERESIS) (((HYSTERESIS) == COMP_Hysteresis_No) || \
((HYSTERESIS) == COMP_Hysteresis_Low) || \
((HYSTERESIS) == COMP_Hysteresis_Medium) || \
((HYSTERESIS) == COMP_Hysteresis_High))
/**
* @}
*/
/** @defgroup COMP_Mode
* @{
*/
/* Please refer to the electrical characteristics in the device datasheet for
the power consumption values */
#define COMP_Mode_HighSpeed 0x00000000 /*!< High Speed */
#define COMP_Mode_MediumSpeed COMP_CSR_COMP1MODE_0 /*!< Medium Speed */
#define COMP_Mode_LowPower COMP_CSR_COMP1MODE_1 /*!< Low power mode */
#define COMP_Mode_UltraLowPower COMP_CSR_COMP1MODE /*!< Ultra-low power mode */
#define IS_COMP_MODE(MODE) (((MODE) == COMP_Mode_UltraLowPower) || \
((MODE) == COMP_Mode_LowPower) || \
((MODE) == COMP_Mode_MediumSpeed) || \
((MODE) == COMP_Mode_HighSpeed))
/**
* @}
*/
/** @defgroup COMP_OutputLevel
* @{
*/
/* When output polarity is not inverted, comparator output is high when
the non-inverting input is at a higher voltage than the inverting input */
#define COMP_OutputLevel_High COMP_CSR_COMP1OUT
/* When output polarity is not inverted, comparator output is low when
the non-inverting input is at a lower voltage than the inverting input*/
#define COMP_OutputLevel_Low ((uint32_t)0x00000000)
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
/* Function used to set the COMP configuration to the default reset state ****/
void COMP_DeInit(void);
/* Initialization and Configuration functions *********************************/
void COMP_Init(uint32_t COMP_Selection, COMP_InitTypeDef* COMP_InitStruct);
void COMP_StructInit(COMP_InitTypeDef* COMP_InitStruct);
void COMP_Cmd(uint32_t COMP_Selection, FunctionalState NewState);
void COMP_SwitchCmd(FunctionalState NewState);
uint32_t COMP_GetOutputLevel(uint32_t COMP_Selection);
/* Window mode control function ***********************************************/
void COMP_WindowCmd(FunctionalState NewState);
/* COMP configuration locking function ****************************************/
void COMP_LockConfig(uint32_t COMP_Selection);
#ifdef __cplusplus
}
#endif
#endif /*__STM32F0XX_COMP_H */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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