/**
******************************************************************************
* @file stm32h7xx_ll_comp.h
* @author MCD Application Team
* @brief Header file of COMP LL module.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32H7xx_LL_COMP_H
#define __STM32H7xx_LL_COMP_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx.h"
/** @addtogroup STM32H7xx_LL_Driver
* @{
*/
#if defined (COMP1) || defined (COMP2)
/** @defgroup COMP_LL COMP
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/** @defgroup COMP_LL_Private_Constants COMP Private Constants
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/* COMP registers bits positions */
#define LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS (30U) /* Value equivalent to POSITION_VAL(COMP_CSR_VALUE) */
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
/* Exported types ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER) || defined(__rtems__)
/** @defgroup COMP_LL_ES_INIT COMP Exported Init structure
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/**
* @brief Structure definition of some features of COMP instance.
*/
typedef struct
{
uint32_t PowerMode; /*!< Set comparator operating mode to adjust power and speed.
This parameter can be a value of @ref COMP_LL_EC_POWERMODE
This feature can be modified afterwards using unitary function @ref LL_COMP_SetPowerMode(). */
uint32_t InputPlus; /*!< Set comparator input plus (non-inverting input).
This parameter can be a value of @ref COMP_LL_EC_INPUT_PLUS
This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputPlus(). */
uint32_t InputMinus; /*!< Set comparator input minus (inverting input).
This parameter can be a value of @ref COMP_LL_EC_INPUT_MINUS
This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputMinus(). */
uint32_t InputHysteresis; /*!< Set comparator hysteresis mode of the input minus.
This parameter can be a value of @ref COMP_LL_EC_INPUT_HYSTERESIS
This feature can be modified afterwards using unitary function @ref LL_COMP_SetInputHysteresis(). */
uint32_t OutputPolarity; /*!< Set comparator output polarity.
This parameter can be a value of @ref COMP_LL_EC_OUTPUT_POLARITY
This feature can be modified afterwards using unitary function @ref LL_COMP_SetOutputPolarity(). */
uint32_t OutputBlankingSource; /*!< Set comparator blanking source.
This parameter can be a value of @ref COMP_LL_EC_OUTPUT_BLANKING_SOURCE
This feature can be modified afterwards using unitary function @ref LL_COMP_SetOutputBlankingSource(). */
} LL_COMP_InitTypeDef;
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/* Exported constants --------------------------------------------------------*/
/** @defgroup COMP_LL_Exported_Constants COMP Exported Constants
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/** @defgroup COMP_LL_EC_COMMON_WINDOWMODE Comparator common modes - Window mode
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
#define LL_COMP_WINDOWMODE_DISABLE (0x00000000UL) /*!< Window mode disable: Comparators 1 and 2 are independent */
#define LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON (COMP_CFGRx_WINMODE) /*!< Window mode enable: Comparators instances pair COMP1 and COMP2 have their input plus connected together. The common input is COMP1 input plus (COMP2 input plus is no more accessible). */
/**
* @}
*/
/** @defgroup COMP_LL_EC_POWERMODE Comparator modes - Power mode
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
#define LL_COMP_POWERMODE_HIGHSPEED (0x00000000UL) /*!< COMP power mode to high speed */
#define LL_COMP_POWERMODE_MEDIUMSPEED (COMP_CFGRx_PWRMODE_0) /*!< COMP power mode to medium speed */
#define LL_COMP_POWERMODE_ULTRALOWPOWER (COMP_CFGRx_PWRMODE_1 | COMP_CFGRx_PWRMODE_0) /*!< COMP power mode to ultra-low power */
/**
* @}
*/
/** @defgroup COMP_LL_EC_INPUT_PLUS Comparator inputs - Input plus (input non-inverting) selection
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
#define LL_COMP_INPUT_PLUS_IO1 (0x00000000UL) /*!< Comparator input plus connected to IO1 (pin PB0 for COMP1, pin PE9 for COMP2) */
#define LL_COMP_INPUT_PLUS_IO2 (COMP_CFGRx_INPSEL) /*!< Comparator input plus connected to IO2 (pin PB2 for COMP1, pin PE11 for COMP2) */
#if defined (COMP_CFGRx_INP2SEL)
#define LL_COMP_INPUT_PLUS_DAC2_CH1 (COMP_CFGRx_INP2SEL) /*!< Comparator input plus 2 connected to (DAC2_CH1 for COMP1) */
#endif
/**
* @}
*/
/** @defgroup COMP_LL_EC_INPUT_MINUS Comparator inputs - Input minus (input inverting) selection
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
#define LL_COMP_INPUT_MINUS_1_4VREFINT ( COMP_CFGRx_SCALEN | COMP_CFGRx_BRGEN) /*!< Comparator input minus connected to 1/4 VrefInt */
#define LL_COMP_INPUT_MINUS_1_2VREFINT ( COMP_CFGRx_INMSEL_0 | COMP_CFGRx_SCALEN | COMP_CFGRx_BRGEN) /*!< Comparator input minus connected to 1/2 VrefInt */
#define LL_COMP_INPUT_MINUS_3_4VREFINT ( COMP_CFGRx_INMSEL_1 | COMP_CFGRx_SCALEN | COMP_CFGRx_BRGEN) /*!< Comparator input minus connected to 3/4 VrefInt */
#define LL_COMP_INPUT_MINUS_VREFINT ( COMP_CFGRx_INMSEL_1 | COMP_CFGRx_INMSEL_0 | COMP_CFGRx_SCALEN ) /*!< Comparator input minus connected to VrefInt */
#define LL_COMP_INPUT_MINUS_DAC1_CH1 ( COMP_CFGRx_INMSEL_2 ) /*!< Comparator input minus connected to DAC1 channel 1 (DAC_OUT1) */
#define LL_COMP_INPUT_MINUS_DAC1_CH2 ( COMP_CFGRx_INMSEL_2 | COMP_CFGRx_INMSEL_0 ) /*!< Comparator input minus connected to DAC1 channel 2 (DAC_OUT2) */
#define LL_COMP_INPUT_MINUS_IO1 ( COMP_CFGRx_INMSEL_2 | COMP_CFGRx_INMSEL_1 ) /*!< Comparator input minus connected to IO1 (pin PB1 for COMP1, pin PE10 for COMP2) */
#define LL_COMP_INPUT_MINUS_IO2 ( COMP_CFGRx_INMSEL_2 | COMP_CFGRx_INMSEL_1 | COMP_CFGRx_INMSEL_0 ) /*!< Comparator input minus connected to IO2 (pin PC4 for COMP1, pin PE7 for COMP2) */
#if defined (COMP_CFGRx_INMSEL_3)
#define LL_COMP_INPUT_MINUS_TPSENS_DAC2CH1 (COMP_CFGRx_INMSEL_3 ) /*!< Comparator input minus connected to (temp sensor which is exist in ADC for COMP1, DAC2_CH1 for COMP2) */
#define LL_COMP_INPUT_MINUS_VBAT_VDDAP (COMP_CFGRx_INMSEL_3 | COMP_CFGRx_INMSEL_0 ) /*!< Comparator input minus connected to (VBAT/4 for COMP1, VDDAP for COMP2) */
#endif
/**
* @}
*/
/** @defgroup COMP_LL_EC_INPUT_HYSTERESIS Comparator input - Hysteresis
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
#define LL_COMP_HYSTERESIS_NONE (0x00000000UL) /*!< No hysteresis */
#define LL_COMP_HYSTERESIS_LOW ( COMP_CFGRx_HYST_0) /*!< Hysteresis level low */
#define LL_COMP_HYSTERESIS_MEDIUM (COMP_CFGRx_HYST_1 ) /*!< Hysteresis level medium */
#define LL_COMP_HYSTERESIS_HIGH (COMP_CFGRx_HYST_1 | COMP_CFGRx_HYST_0) /*!< Hysteresis level high */
/**
* @}
*/
/** @defgroup COMP_LL_EC_OUTPUT_POLARITY Comparator output - Output polarity
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
#define LL_COMP_OUTPUTPOL_NONINVERTED (0x00000000UL) /*!< COMP output polarity is not inverted: comparator output is high when the plus (non-inverting) input is at a higher voltage than the minus (inverting) input */
#define LL_COMP_OUTPUTPOL_INVERTED (COMP_CFGRx_POLARITY) /*!< COMP output polarity is inverted: comparator output is low when the plus (non-inverting) input is at a lower voltage than the minus (inverting) input */
/**
* @}
*/
/** @defgroup COMP_LL_EC_OUTPUT_BLANKING_SOURCE Comparator output - Blanking source
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
#define LL_COMP_BLANKINGSRC_NONE (0x00000000UL) /*!<Comparator output without blanking */
#define LL_COMP_BLANKINGSRC_TIM1_OC5 (COMP_CFGRx_BLANKING_0) /*!< Comparator output blanking source TIM1 OC5 (common to all COMP instances: COMP1, COMP2) */
#define LL_COMP_BLANKINGSRC_TIM2_OC3 (COMP_CFGRx_BLANKING_1) /*!< Comparator output blanking source TIM2 OC3 (common to all COMP instances: COMP1, COMP2) */
#define LL_COMP_BLANKINGSRC_TIM3_OC3 (COMP_CFGRx_BLANKING_0 |COMP_CFGRx_BLANKING_1) /*!< Comparator output blanking source TIM3 OC3 (common to all COMP instances: COMP1, COMP2) */
#define LL_COMP_BLANKINGSRC_TIM3_OC4 (COMP_CFGRx_BLANKING_2) /*!< Comparator output blanking source TIM3 OC4 (common to all COMP instances: COMP1, COMP2) */
#define LL_COMP_BLANKINGSRC_TIM8_OC5 (COMP_CFGRx_BLANKING_2|COMP_CFGRx_BLANKING_0) /*!< Comparator output blanking source TIM8 OC5 (common to all COMP instances: COMP1, COMP2) */
#define LL_COMP_BLANKINGSRC_TIM15_OC1 (COMP_CFGRx_BLANKING_2|COMP_CFGRx_BLANKING_1) /*!< Comparator output blanking source TIM15 OC1 (common to all COMP instances: COMP1, COMP2) */
/**
* @}
*/
/** @defgroup COMP_LL_EC_OUTPUT_LEVEL Comparator output - Output level
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
#define LL_COMP_OUTPUT_LEVEL_LOW (0x00000000UL) /*!< Comparator output level low (if the polarity is not inverted, otherwise to be complemented) */
#define LL_COMP_OUTPUT_LEVEL_HIGH (0x00000001UL) /*!< Comparator output level high (if the polarity is not inverted, otherwise to be complemented) */
/**
* @}
*/
/** @defgroup COMP_LL_EC_OUTPUT_BKIN_TIMER Comparator output - Output to BKIN timer
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
#define LL_COMP_AF_PA6 COMP_OR_AFOPA6 /*!< Comparator Alternate Function PA6 source selected to timer BKIN input */
#define LL_COMP_AF_PA8 COMP_OR_AFOPA8 /*!< Comparator Alternate Function PA8 source selected to timer BKIN input */
#define LL_COMP_AF_PB12 COMP_OR_AFOPB12 /*!< Comparator Alternate Function PB12 source selected to timer BKIN input */
#define LL_COMP_AF_PE6 COMP_OR_AFOPE6 /*!< Comparator Alternate Function PE6 source selected to timer BKIN input */
#define LL_COMP_AF_PE15 COMP_OR_AFOPE15 /*!< Comparator Alternate Function PE15 source selected to timer BKIN input */
#define LL_COMP_AF_PG2 COMP_OR_AFOPG2 /*!< Comparator Alternate Function PG2 source selected to timer BKIN input */
#define LL_COMP_AF_PG3 COMP_OR_AFOPG3 /*!< Comparator Alternate Function PG3 source selected to timer BKIN input */
#define LL_COMP_AF_PG4 COMP_OR_AFOPG4 /*!< Comparator Alternate Function PG4 source selected to timer BKIN input */
#define LL_COMP_AF_PI1 COMP_OR_AFOPI1 /*!< Comparator Alternate Function PI1 source selected to timer BKIN input */
#define LL_COMP_AF_PI4 COMP_OR_AFOPI4 /*!< Comparator Alternate Function PI4 source selected to timer BKIN input */
#define LL_COMP_AF_PK2 COMP_OR_AFOPK2 /*!< Comparator Alternate Function PK2 source selected to timer BKIN input */
/**
* @}
*/
/** @defgroup COMP_LL_EC_HW_DELAYS Definitions of COMP hardware constraints delays
* @ingroup RTEMSBSPsARMSTM32H7
* @note Only COMP IP HW delays are defined in COMP LL driver driver,
* not timeout values.
* For details on delays values, refer to descriptions in source code
* above each literal definition.
* @{
*/
/* Delay for comparator startup time. */
/* Note: Delay required to reach propagation delay specification. */
/* Literal set to maximum value (refer to device datasheet, */
/* parameter "tSTART"). */
/* Unit: us */
#define LL_COMP_DELAY_STARTUP_US ( 80UL) /*!< Delay for COMP startup time */
/* Delay for comparator voltage scaler stabilization time. */
/* Note: Voltage scaler is used when selecting comparator input */
/* based on VrefInt: VrefInt or subdivision of VrefInt. */
/* Literal set to maximum value (refer to device datasheet, */
/* parameter "tSTART_SCALER"). */
/* Unit: us */
#define LL_COMP_DELAY_VOLTAGE_SCALER_STAB_US ( 200UL) /*!< Delay for COMP voltage scaler stabilization time */
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/** @defgroup COMP_LL_Exported_Macros COMP Exported Macros
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/** @defgroup COMP_LL_EM_WRITE_READ Common write and read registers macro
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/**
* @brief Write a value in COMP register
* @param __INSTANCE__ comparator instance
* @param __REG__ Register to be written
* @param __VALUE__ Value to be written in the register
* @retval None
*/
#define LL_COMP_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
/**
* @brief Read a value in COMP register
* @param __INSTANCE__ comparator instance
* @param __REG__ Register to be read
* @retval Register value
*/
#define LL_COMP_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
/**
* @}
*/
/** @defgroup COMP_LL_EM_HELPER_MACRO COMP helper macro
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/**
* @brief Helper macro to select the COMP common instance
* to which is belonging the selected COMP instance.
* @note COMP common register instance can be used to
* set parameters common to several COMP instances.
* Refer to functions having argument "COMPxy_COMMON" as parameter.
* @param __COMPx__ COMP instance
* @retval COMP common instance or value "0" if there is no COMP common instance.
*/
#define __LL_COMP_COMMON_INSTANCE(__COMPx__) \
(COMP12_COMMON)
/**
* @}
*/
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup COMP_LL_Exported_Functions COMP Exported Functions
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/** @defgroup COMP_LL_EF_Configuration_comparator_common Configuration of COMP hierarchical scope: common to several COMP instances
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/**
* @brief Set window mode of a pair of comparators instances
* (2 consecutive COMP instances odd and even COMP<x> and COMP<x+1>).
* @rmtoll CFGRx WINMODE LL_COMP_SetCommonWindowMode
* @param COMPxy_COMMON Comparator common instance
* (can be set directly from CMSIS definition or by using helper macro @ref __LL_COMP_COMMON_INSTANCE() )
* @param WindowMode This parameter can be one of the following values:
* @arg @ref LL_COMP_WINDOWMODE_DISABLE
* @arg @ref LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetCommonWindowMode(COMP_Common_TypeDef *COMPxy_COMMON, uint32_t WindowMode)
{
/* Note: On this STM32 serie, window mode can be set only */
/* from COMP instance: COMP2. */
MODIFY_REG(COMPxy_COMMON->CFGR, COMP_CFGRx_WINMODE, WindowMode);
}
/**
* @brief Get window mode of a pair of comparators instances
* (2 consecutive COMP instances odd and even COMP<x> and COMP<x+1>).
* @rmtoll CFGRx WINMODE LL_COMP_GetCommonWindowMode
* @param COMPxy_COMMON Comparator common instance
* (can be set directly from CMSIS definition or by using helper macro @ref __LL_COMP_COMMON_INSTANCE() )
* @retval Returned value can be one of the following values:
* @arg @ref LL_COMP_WINDOWMODE_DISABLE
* @arg @ref LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON
*/
__STATIC_INLINE uint32_t LL_COMP_GetCommonWindowMode(COMP_Common_TypeDef *COMPxy_COMMON)
{
return (uint32_t)(READ_BIT(COMPxy_COMMON->CFGR, COMP_CFGRx_WINMODE));
}
/**
* @}
*/
/** @defgroup COMP_LL_EF_Configuration_comparator_modes Configuration of comparator modes
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/**
* @brief Set comparator instance operating mode to adjust power and speed.
* @rmtoll CFGRx PWRMODE LL_COMP_SetPowerMode
* @param COMPx Comparator instance
* @param PowerMode This parameter can be one of the following values:
* @arg @ref LL_COMP_POWERMODE_HIGHSPEED
* @arg @ref LL_COMP_POWERMODE_MEDIUMSPEED
* @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetPowerMode(COMP_TypeDef *COMPx, uint32_t PowerMode)
{
MODIFY_REG(COMPx->CFGR, COMP_CFGRx_PWRMODE, PowerMode);
}
/**
* @brief Get comparator instance operating mode to adjust power and speed.
* @rmtoll CFGRx PWRMODE LL_COMP_GetPowerMode
* @param COMPx Comparator instance
* @retval Returned value can be one of the following values:
* @arg @ref LL_COMP_POWERMODE_HIGHSPEED
* @arg @ref LL_COMP_POWERMODE_MEDIUMSPEED
* @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER
*/
__STATIC_INLINE uint32_t LL_COMP_GetPowerMode(COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CFGR, COMP_CFGRx_PWRMODE));
}
/**
* @}
*/
/** @defgroup COMP_LL_EF_Configuration_comparator_inputs Configuration of comparator inputs
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/**
* @brief Set comparator inputs minus (inverting) and plus (non-inverting).
* @note In case of comparator input selected to be connected to IO:
* GPIO pins are specific to each comparator instance.
* Refer to description of parameters or to reference manual.
* @note On this STM32 serie, scaler bridge is configurable:
* to optimize power consumption, this function enables the
* voltage scaler bridge only when required
* (when selecting comparator input based on VrefInt: VrefInt or
* subdivision of VrefInt).
* - For scaler bridge power consumption values,
* refer to device datasheet, parameter "IDDA(SCALER)".
* - Voltage scaler requires a delay for voltage stabilization.
* Refer to device datasheet, parameter "tSTART_SCALER".
* - Scaler bridge is common for all comparator instances,
* therefore if at least one of the comparator instance
* is requiring the scaler bridge, it remains enabled.
* @rmtoll CFGRx INMSEL LL_COMP_ConfigInputs\n
* CFGRx INPSEL LL_COMP_ConfigInputs\n
* CFGRx BRGEN LL_COMP_ConfigInputs\n
* CFGRx SCALEN LL_COMP_ConfigInputs
* @param COMPx Comparator instance
* @param InputMinus This parameter can be one of the following values:
* @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1
* @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2
* @arg @ref LL_COMP_INPUT_MINUS_IO1
* @arg @ref LL_COMP_INPUT_MINUS_IO2
#if defined (COMP_CFGRx_INMSEL_3)
* @arg @ref LL_COMP_INPUT_MINUS_TPSENS_DAC2CH1
* @arg @ref LL_COMP_INPUT_MINUS_VBAT_VDDAP
#endif
* @param InputPlus This parameter can be one of the following values:
* @arg @ref LL_COMP_INPUT_PLUS_IO1
* @arg @ref LL_COMP_INPUT_PLUS_IO2
#if defined (COMP_CFGRx_INP2SEL)
* @arg @ref LL_COMP_INPUT_PLUS_DAC2_CH1
#endif
* @retval None
*/
__STATIC_INLINE void LL_COMP_ConfigInputs(COMP_TypeDef *COMPx, uint32_t InputMinus, uint32_t InputPlus)
{
#if defined (COMP_CFGRx_INP2SEL)
MODIFY_REG(COMPx->CFGR,
COMP_CFGRx_INMSEL | COMP_CFGRx_INPSEL |
COMP_CFGRx_INP2SEL |
COMP_CFGRx_SCALEN | COMP_CFGRx_BRGEN,
InputMinus | InputPlus);
#else
MODIFY_REG(COMPx->CFGR,
COMP_CFGRx_INMSEL | COMP_CFGRx_INPSEL |
COMP_CFGRx_SCALEN | COMP_CFGRx_BRGEN,
InputMinus | InputPlus);
#endif
}
/**
* @brief Set comparator input plus (non-inverting).
* @note In case of comparator input selected to be connected to IO:
* GPIO pins are specific to each comparator instance.
* Refer to description of parameters or to reference manual.
* @rmtoll CFGRx INPSEL LL_COMP_SetInputPlus
* @param COMPx Comparator instance
* @param InputPlus This parameter can be one of the following values:
* @arg @ref LL_COMP_INPUT_PLUS_IO1
* @arg @ref LL_COMP_INPUT_PLUS_IO2
#if defined (COMP_CFGRx_INP2SEL)
* @arg @ref LL_COMP_INPUT_PLUS_DAC2_CH1
#endif
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetInputPlus(COMP_TypeDef *COMPx, uint32_t InputPlus)
{
#if defined (COMP_CFGRx_INP2SEL)
MODIFY_REG(COMPx->CFGR, COMP_CFGRx_INPSEL | COMP_CFGRx_INP2SEL , InputPlus);
#else
MODIFY_REG(COMPx->CFGR, COMP_CFGRx_INPSEL , InputPlus);
#endif
}
/**
* @brief Get comparator input plus (non-inverting).
* @note In case of comparator input selected to be connected to IO:
* GPIO pins are specific to each comparator instance.
* Refer to description of parameters or to reference manual.
* @rmtoll CFGRx INPSEL LL_COMP_GetInputPlus
* @param COMPx Comparator instance
* @retval Returned value can be one of the following values:
* @arg @ref LL_COMP_INPUT_PLUS_IO1
* @arg @ref LL_COMP_INPUT_PLUS_IO2
#if defined (COMP_CFGRx_INP2SEL)
* @arg @ref LL_COMP_INPUT_PLUS_DAC2_CH1
#endif
*/
__STATIC_INLINE uint32_t LL_COMP_GetInputPlus(COMP_TypeDef *COMPx)
{
#if defined (COMP_CFGRx_INP2SEL)
return (uint32_t)(READ_BIT(COMPx->CFGR, COMP_CFGRx_INPSEL | COMP_CFGRx_INP2SEL));
#else
return (uint32_t)(READ_BIT(COMPx->CFGR, COMP_CFGRx_INPSEL));
#endif
}
/**
* @brief Set comparator input minus (inverting).
* @note In case of comparator input selected to be connected to IO:
* GPIO pins are specific to each comparator instance.
* Refer to description of parameters or to reference manual.
* @note On this STM32 serie, scaler bridge is configurable:
* to optimize power consumption, this function enables the
* voltage scaler bridge only when required
* (when selecting comparator input based on VrefInt: VrefInt or
* subdivision of VrefInt).
* - For scaler bridge power consumption values,
* refer to device datasheet, parameter "IDDA(SCALER)".
* - Voltage scaler requires a delay for voltage stabilization.
* Refer to device datasheet, parameter "tSTART_SCALER".
* - Scaler bridge is common for all comparator instances,
* therefore if at least one of the comparator instance
* is requiring the scaler bridge, it remains enabled.
* @rmtoll CFGRx INMSEL LL_COMP_SetInputMinus\n
* CFGRx BRGEN LL_COMP_SetInputMinus\n
* CFGRx SCALEN LL_COMP_SetInputMinus
* @param COMPx Comparator instance
* @param InputMinus This parameter can be one of the following values:
* @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1
* @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2
* @arg @ref LL_COMP_INPUT_MINUS_IO1
* @arg @ref LL_COMP_INPUT_MINUS_IO2
#if defined (COMP_CFGRx_INMSEL_3)
* @arg @ref LL_COMP_INPUT_MINUS_TPSENS_DAC2CH1
* @arg @ref LL_COMP_INPUT_MINUS_VBAT_VDDAP
#endif
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetInputMinus(COMP_TypeDef *COMPx, uint32_t InputMinus)
{
MODIFY_REG(COMPx->CFGR, COMP_CFGRx_INMSEL | COMP_CFGRx_SCALEN | COMP_CFGRx_BRGEN, InputMinus);
}
/**
* @brief Get comparator input minus (inverting).
* @note In case of comparator input selected to be connected to IO:
* GPIO pins are specific to each comparator instance.
* Refer to description of parameters or to reference manual.
* @rmtoll CFGRx INMSEL LL_COMP_GetInputMinus\n
* CFGRx BRGEN LL_COMP_GetInputMinus\n
* CFGRx SCALEN LL_COMP_GetInputMinus
* @param COMPx Comparator instance
* @retval Returned value can be one of the following values:
* @arg @ref LL_COMP_INPUT_MINUS_1_4VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_1_2VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_3_4VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_VREFINT
* @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH1
* @arg @ref LL_COMP_INPUT_MINUS_DAC1_CH2
* @arg @ref LL_COMP_INPUT_MINUS_IO1
* @arg @ref LL_COMP_INPUT_MINUS_IO2
#if defined (COMP_CFGRx_INMSEL_3)
* @arg @ref LL_COMP_INPUT_MINUS_TPSENS_DAC2CH1
* @arg @ref LL_COMP_INPUT_MINUS_VBAT_VDDAP
#endif
*/
__STATIC_INLINE uint32_t LL_COMP_GetInputMinus(COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CFGR, COMP_CFGRx_INMSEL | COMP_CFGRx_SCALEN | COMP_CFGRx_BRGEN));
}
/**
* @brief Set comparator instance hysteresis mode of the input minus (inverting input).
* @rmtoll CFGRx HYST LL_COMP_SetInputHysteresis
* @param COMPx Comparator instance
* @param InputHysteresis This parameter can be one of the following values:
* @arg @ref LL_COMP_HYSTERESIS_NONE
* @arg @ref LL_COMP_HYSTERESIS_LOW
* @arg @ref LL_COMP_HYSTERESIS_MEDIUM
* @arg @ref LL_COMP_HYSTERESIS_HIGH
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetInputHysteresis(COMP_TypeDef *COMPx, uint32_t InputHysteresis)
{
MODIFY_REG(COMPx->CFGR, COMP_CFGRx_HYST, InputHysteresis);
}
/**
* @brief Get comparator instance hysteresis mode of the minus (inverting) input.
* @rmtoll CSR HYST LL_COMP_GetInputHysteresis
* @param COMPx Comparator instance
* @retval Returned value can be one of the following values:
* @arg @ref LL_COMP_HYSTERESIS_NONE
* @arg @ref LL_COMP_HYSTERESIS_LOW
* @arg @ref LL_COMP_HYSTERESIS_MEDIUM
* @arg @ref LL_COMP_HYSTERESIS_HIGH
*/
__STATIC_INLINE uint32_t LL_COMP_GetInputHysteresis(COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CFGR, COMP_CFGRx_HYST));
}
/**
* @}
*/
/** @defgroup COMP_LL_EF_Configuration_comparator_output Configuration of comparator output
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/**
* @brief Set comparator instance output polarity.
* @rmtoll CFGRx POLARITY LL_COMP_SetOutputPolarity
* @param COMPx Comparator instance
* @param OutputPolarity This parameter can be one of the following values:
* @arg @ref LL_COMP_OUTPUTPOL_NONINVERTED
* @arg @ref LL_COMP_OUTPUTPOL_INVERTED
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetOutputPolarity(COMP_TypeDef *COMPx, uint32_t OutputPolarity)
{
MODIFY_REG(COMPx->CFGR, COMP_CFGRx_POLARITY, OutputPolarity);
}
/**
* @brief Get comparator instance output polarity.
* @rmtoll CFGRx POLARITY LL_COMP_GetOutputPolarity
* @param COMPx Comparator instance
* @retval Returned value can be one of the following values:
* @arg @ref LL_COMP_OUTPUTPOL_NONINVERTED
* @arg @ref LL_COMP_OUTPUTPOL_INVERTED
*/
__STATIC_INLINE uint32_t LL_COMP_GetOutputPolarity(COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CFGR, COMP_CFGRx_POLARITY));
}
/**
* @brief Set comparator instance blanking source.
* @note Blanking source may be specific to each comparator instance.
* Refer to description of parameters or to reference manual.
* @note Availability of parameters of blanking source from timer
* depends on timers availability on the selected device.
* @rmtoll CFGR BLANKING LL_COMP_SetOutputBlankingSource
* @param COMPx Comparator instance
* @param BlankingSource This parameter can be one of the following values:
* @arg @ref LL_COMP_BLANKINGSRC_NONE
* @arg @ref LL_COMP_BLANKINGSRC_TIM1_OC5
* @arg @ref LL_COMP_BLANKINGSRC_TIM2_OC3
* @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC3
* @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC4
* @arg @ref LL_COMP_BLANKINGSRC_TIM8_OC5
* @arg @ref LL_COMP_BLANKINGSRC_TIM15_OC1
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetOutputBlankingSource(COMP_TypeDef *COMPx, uint32_t BlankingSource)
{
MODIFY_REG(COMPx->CFGR, COMP_CFGRx_BLANKING, BlankingSource);
}
/**
* @brief Get comparator instance blanking source.
* @note Availability of parameters of blanking source from timer
* depends on timers availability on the selected device.
* @note Blanking source may be specific to each comparator instance.
* Refer to description of parameters or to reference manual.
* @rmtoll CFGR BLANKING LL_COMP_GetOutputBlankingSource
* @param COMPx Comparator instance
* @retval Returned value can be one of the following values:
* @arg @ref LL_COMP_BLANKINGSRC_NONE
* @arg @ref LL_COMP_BLANKINGSRC_TIM1_OC5
* @arg @ref LL_COMP_BLANKINGSRC_TIM2_OC3
* @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC3
* @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC4
* @arg @ref LL_COMP_BLANKINGSRC_TIM8_OC5
* @arg @ref LL_COMP_BLANKINGSRC_TIM15_OC1
*/
__STATIC_INLINE uint32_t LL_COMP_GetOutputBlankingSource(COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CFGR, COMP_CFGRx_BLANKING));
}
/** @brief Set the output alternate function in the Option register
* in order to be used with the alternate function
* of the timer break input.
* @rmtoll OR AFOP COMP_LL_EC_OUTPUT_BKIN_TIMER
* @param COMPx specifies the instance.
* @param CompAFx specifies the Alternate Function source selection.
* This parameter can be one of the following values:
* @arg @ref LL_COMP_AF_PA6
* @arg @ref LL_COMP_AF_PA8
* @arg @ref LL_COMP_AF_PB12
* @arg @ref LL_COMP_AF_PE6
* @arg @ref LL_COMP_AF_PE15
* @arg @ref LL_COMP_AF_PG2
* @arg @ref LL_COMP_AF_PG3
* @arg @ref LL_COMP_AF_PG4
* @arg @ref LL_COMP_AF_PI1
* @arg @ref LL_COMP_AF_PI4
* @arg @ref LL_COMP_AF_PK2
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetOutputAlternateFunction(COMP_TypeDef *COMPx, uint32_t CompAFx)
{
MODIFY_REG(COMP12->OR, 0x7FFUL, (COMPx == COMP1) ? ((~CompAFx) & 0x7FFUL) : CompAFx);
}
/** @brief Get the output alternate function from the Option register.
* @rmtoll OR AFOP COMP_LL_EC_OUTPUT_BKIN_TIMER
* @param COMPx specifies the Comparator instance.
* @retval Returned value can be one of the following values:
* @arg @ref LL_COMP_AF_PA6
* @arg @ref LL_COMP_AF_PA8
* @arg @ref LL_COMP_AF_PB12
* @arg @ref LL_COMP_AF_PE6
* @arg @ref LL_COMP_AF_PE15
* @arg @ref LL_COMP_AF_PG2
* @arg @ref LL_COMP_AF_PG3
* @arg @ref LL_COMP_AF_PG4
* @arg @ref LL_COMP_AF_PI1
* @arg @ref LL_COMP_AF_PI4
* @arg @ref LL_COMP_AF_PK2
*/
__STATIC_INLINE uint32_t LL_COMP_GetOutputAlternateFunction(COMP_TypeDef *COMPx )
{
return (uint32_t) ((COMPx == COMP1) ? ((~COMP12->OR) & 0x7FFUL) : (COMP12->OR & 0x7FFUL));
}
/**
* @}
*/
/** @defgroup COMP_LL_EF_Operation Operation on comparator instance
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/**
* @brief Enable comparator instance.
* @note After enable from off state, comparator requires a delay
* to reach reach propagation delay specification.
* Refer to device datasheet, parameter "tSTART".
* @rmtoll CFGR EN LL_COMP_Enable
* @param COMPx Comparator instance
* @retval None
*/
__STATIC_INLINE void LL_COMP_Enable(COMP_TypeDef *COMPx)
{
SET_BIT(COMPx->CFGR, COMP_CFGRx_EN);
}
/**
* @brief Disable comparator instance.
* @rmtoll CFGR EN LL_COMP_Disable
* @param COMPx Comparator instance
* @retval None
*/
__STATIC_INLINE void LL_COMP_Disable(COMP_TypeDef *COMPx)
{
CLEAR_BIT(COMPx->CFGR, COMP_CFGRx_EN);
}
/**
* @brief Get comparator enable state
* (0: COMP is disabled, 1: COMP is enabled)
* @rmtoll CFGR EN LL_COMP_IsEnabled
* @param COMPx Comparator instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_COMP_IsEnabled(COMP_TypeDef *COMPx)
{
return ((READ_BIT(COMPx->CFGR, COMP_CFGRx_EN) == (COMP_CFGRx_EN)) ? 1UL : 0UL);
}
/**
* @brief Lock comparator instance.
* @note Once locked, comparator configuration can be accessed in read-only.
* @note The only way to unlock the comparator is a device hardware reset.
* @rmtoll CFGR LOCK LL_COMP_Lock
* @param COMPx Comparator instance
* @retval None
*/
__STATIC_INLINE void LL_COMP_Lock(COMP_TypeDef *COMPx)
{
SET_BIT(COMPx->CFGR, COMP_CFGRx_LOCK);
}
/**
* @brief Get comparator lock state
* (0: COMP is unlocked, 1: COMP is locked).
* @note Once locked, comparator configuration can be accessed in read-only.
* @note The only way to unlock the comparator is a device hardware reset.
* @rmtoll CFGR LOCK LL_COMP_IsLocked
* @param COMPx Comparator instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_COMP_IsLocked(COMP_TypeDef *COMPx)
{
return ((READ_BIT(COMPx->CFGR, COMP_CFGRx_LOCK) == (COMP_CFGRx_LOCK)) ? 1UL : 0UL);
}
/**
* @brief Read comparator instance output level.
* @note The comparator output level depends on the selected polarity
* (Refer to function @ref LL_COMP_SetOutputPolarity()).
* If the comparator polarity is not inverted:
* - Comparator output is low when the input plus
* is at a lower voltage than the input minus
* - Comparator output is high when the input plus
* is at a higher voltage than the input minus
* If the comparator polarity is inverted:
* - Comparator output is high when the input plus
* is at a lower voltage than the input minus
* - Comparator output is low when the input plus
* is at a higher voltage than the input minus
* @rmtoll CFGR VALUE LL_COMP_ReadOutputLevel
* @param COMPx Comparator instance
* @retval Returned value can be one of the following values:
* @arg @ref LL_COMP_OUTPUT_LEVEL_LOW
* @arg @ref LL_COMP_OUTPUT_LEVEL_HIGH
*/
__STATIC_INLINE uint32_t LL_COMP_ReadOutputLevel(COMP_TypeDef *COMPx)
{
if (COMPx == COMP1)
{
return (uint32_t)(READ_BIT(COMP12->SR, COMP_SR_C1VAL));
}
else
{
return (uint32_t)((READ_BIT(COMP12->SR, COMP_SR_C2VAL))>> 1);
}
}
/**
* @}
*/
#if defined(USE_FULL_LL_DRIVER) || defined(__rtems__)
/** @defgroup COMP_LL_EF_Init Initialization and de-initialization functions
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx);
ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, LL_COMP_InitTypeDef *COMP_InitStruct);
void LL_COMP_StructInit(LL_COMP_InitTypeDef *COMP_InitStruct);
/**
* @}
*/
#endif /* USE_FULL_LL_DRIVER */
/**
* @}
*/
/**
* @}
*/
#endif /* COMP1 || COMP2 */
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32H7xx_LL_COMP_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
