244 lines
9.9 KiB
C
244 lines
9.9 KiB
C
/**
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******************************************************************************
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* @file stm32f0xx_comp.h
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* @author MCD Application Team
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* @version V1.0.0
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* @date 23-March-2012
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* @brief This file contains all the functions prototypes for the COMP firmware
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* library.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F0XX_COMP_H
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#define __STM32F0XX_COMP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f0xx.h"
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/** @addtogroup STM32F0xx_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup COMP
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief COMP Init structure definition
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*/
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typedef struct
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{
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uint32_t COMP_InvertingInput; /*!< Selects the inverting input of the comparator.
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This parameter can be a value of @ref COMP_InvertingInput */
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uint32_t COMP_Output; /*!< Selects the output redirection of the comparator.
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This parameter can be a value of @ref COMP_Output */
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uint32_t COMP_OutputPol; /*!< Selects the output polarity of the comparator.
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This parameter can be a value of @ref COMP_OutputPolarity */
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uint32_t COMP_Hysteresis; /*!< Selects the hysteresis voltage of the comparator.
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This parameter can be a value of @ref COMP_Hysteresis */
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uint32_t COMP_Mode; /*!< Selects the operating mode of the comparator
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and allows to adjust the speed/consumption.
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This parameter can be a value of @ref COMP_Mode */
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}COMP_InitTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup COMP_Exported_Constants
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* @{
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*/
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/** @defgroup COMP_Selection
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* @{
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*/
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#define COMP_Selection_COMP1 ((uint32_t)0x00000000) /*!< COMP1 Selection */
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#define COMP_Selection_COMP2 ((uint32_t)0x00000010) /*!< COMP2 Selection */
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#define IS_COMP_ALL_PERIPH(PERIPH) (((PERIPH) == COMP_Selection_COMP1) || \
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((PERIPH) == COMP_Selection_COMP2))
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/**
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* @}
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*/
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/** @defgroup COMP_InvertingInput
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* @{
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*/
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#define COMP_InvertingInput_1_4VREFINT ((uint32_t)0x00000000) /*!< 1/4 VREFINT connected to comparator inverting input */
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#define COMP_InvertingInput_1_2VREFINT COMP_CSR_COMP1INSEL_0 /*!< 1/2 VREFINT connected to comparator inverting input */
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#define COMP_InvertingInput_3_4VREFINT COMP_CSR_COMP1INSEL_1 /*!< 3/4 VREFINT connected to comparator inverting input */
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#define COMP_InvertingInput_VREFINT ((uint32_t)0x00000030) /*!< VREFINT connected to comparator inverting input */
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#define COMP_InvertingInput_DAC1 COMP_CSR_COMP1INSEL_2 /*!< DAC1_OUT connected to comparator inverting input */
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#define COMP_InvertingInput_IO ((uint32_t)0x00000060) /*!< I/O (PA0 for COMP1 and PA2 for COMP2) connected to comparator inverting input */
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#define IS_COMP_INVERTING_INPUT(INPUT) (((INPUT) == COMP_InvertingInput_1_4VREFINT) || \
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((INPUT) == COMP_InvertingInput_1_2VREFINT) || \
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((INPUT) == COMP_InvertingInput_3_4VREFINT) || \
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((INPUT) == COMP_InvertingInput_VREFINT) || \
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((INPUT) == COMP_InvertingInput_DAC1) || \
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((INPUT) == COMP_InvertingInput_1_4VREFINT) || \
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((INPUT) == COMP_InvertingInput_IO))
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/**
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* @}
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*/
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/** @defgroup COMP_Output
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* @{
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*/
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#define COMP_Output_None ((uint32_t)0x00000000) /*!< COMP output isn't connected to other peripherals */
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#define COMP_Output_TIM1BKIN COMP_CSR_COMP1OUTSEL_0 /*!< COMP output connected to TIM1 Break Input (BKIN) */
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#define COMP_Output_TIM1IC1 COMP_CSR_COMP1OUTSEL_1 /*!< COMP output connected to TIM1 Input Capture 1 */
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#define COMP_Output_TIM1OCREFCLR ((uint32_t)0x00000300) /*!< COMP output connected to TIM1 OCREF Clear */
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#define COMP_Output_TIM2IC4 COMP_CSR_COMP1OUTSEL_2 /*!< COMP output connected to TIM2 Input Capture 4 */
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#define COMP_Output_TIM2OCREFCLR ((uint32_t)0x00000500) /*!< COMP output connected to TIM2 OCREF Clear */
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#define COMP_Output_TIM3IC1 ((uint32_t)0x00000600) /*!< COMP output connected to TIM3 Input Capture 1 */
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#define COMP_Output_TIM3OCREFCLR COMP_CSR_COMP1OUTSEL /*!< COMP output connected to TIM3 OCREF Clear */
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#define IS_COMP_OUTPUT(OUTPUT) (((OUTPUT) == COMP_Output_None) || \
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((OUTPUT) == COMP_Output_TIM1BKIN) || \
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((OUTPUT) == COMP_Output_TIM1IC1) || \
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((OUTPUT) == COMP_Output_TIM1OCREFCLR) || \
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((OUTPUT) == COMP_Output_TIM2IC4) || \
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((OUTPUT) == COMP_Output_TIM2OCREFCLR) || \
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((OUTPUT) == COMP_Output_TIM3IC1) || \
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((OUTPUT) == COMP_Output_TIM3OCREFCLR))
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/**
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* @}
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*/
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/** @defgroup COMP_OutputPolarity
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* @{
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*/
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#define COMP_OutputPol_NonInverted ((uint32_t)0x00000000) /*!< COMP output on GPIO isn't inverted */
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#define COMP_OutputPol_Inverted COMP_CSR_COMP1POL /*!< COMP output on GPIO is inverted */
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#define IS_COMP_OUTPUT_POL(POL) (((POL) == COMP_OutputPol_NonInverted) || \
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((POL) == COMP_OutputPol_Inverted))
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/**
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* @}
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*/
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/** @defgroup COMP_Hysteresis
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* @{
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*/
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/* Please refer to the electrical characteristics in the device datasheet for
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the hysteresis level */
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#define COMP_Hysteresis_No 0x00000000 /*!< No hysteresis */
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#define COMP_Hysteresis_Low COMP_CSR_COMP1HYST_0 /*!< Hysteresis level low */
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#define COMP_Hysteresis_Medium COMP_CSR_COMP1HYST_1 /*!< Hysteresis level medium */
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#define COMP_Hysteresis_High COMP_CSR_COMP1HYST /*!< Hysteresis level high */
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#define IS_COMP_HYSTERESIS(HYSTERESIS) (((HYSTERESIS) == COMP_Hysteresis_No) || \
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((HYSTERESIS) == COMP_Hysteresis_Low) || \
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((HYSTERESIS) == COMP_Hysteresis_Medium) || \
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((HYSTERESIS) == COMP_Hysteresis_High))
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/**
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* @}
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*/
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/** @defgroup COMP_Mode
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* @{
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*/
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/* Please refer to the electrical characteristics in the device datasheet for
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the power consumption values */
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#define COMP_Mode_HighSpeed 0x00000000 /*!< High Speed */
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#define COMP_Mode_MediumSpeed COMP_CSR_COMP1MODE_0 /*!< Medium Speed */
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#define COMP_Mode_LowPower COMP_CSR_COMP1MODE_1 /*!< Low power mode */
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#define COMP_Mode_UltraLowPower COMP_CSR_COMP1MODE /*!< Ultra-low power mode */
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#define IS_COMP_MODE(MODE) (((MODE) == COMP_Mode_UltraLowPower) || \
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((MODE) == COMP_Mode_LowPower) || \
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((MODE) == COMP_Mode_MediumSpeed) || \
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((MODE) == COMP_Mode_HighSpeed))
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/**
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* @}
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*/
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/** @defgroup COMP_OutputLevel
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* @{
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*/
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/* When output polarity is not inverted, comparator output is high when
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the non-inverting input is at a higher voltage than the inverting input */
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#define COMP_OutputLevel_High COMP_CSR_COMP1OUT
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/* When output polarity is not inverted, comparator output is low when
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the non-inverting input is at a lower voltage than the inverting input*/
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#define COMP_OutputLevel_Low ((uint32_t)0x00000000)
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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/* Function used to set the COMP configuration to the default reset state ****/
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void COMP_DeInit(void);
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/* Initialization and Configuration functions *********************************/
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void COMP_Init(uint32_t COMP_Selection, COMP_InitTypeDef* COMP_InitStruct);
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void COMP_StructInit(COMP_InitTypeDef* COMP_InitStruct);
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void COMP_Cmd(uint32_t COMP_Selection, FunctionalState NewState);
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void COMP_SwitchCmd(FunctionalState NewState);
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uint32_t COMP_GetOutputLevel(uint32_t COMP_Selection);
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/* Window mode control function ***********************************************/
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void COMP_WindowCmd(FunctionalState NewState);
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/* COMP configuration locking function ****************************************/
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void COMP_LockConfig(uint32_t COMP_Selection);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__STM32F0XX_COMP_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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