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micro_climate/Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_ll_comp.h

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2024-07-05 03:52:43 +00:00
/**
******************************************************************************
* @file stm32l4xx_ll_comp.h
* @author MCD Application Team
* @brief Header file of COMP LL module.
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32L4xx_LL_COMP_H
#define STM32L4xx_LL_COMP_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx.h"
/** @addtogroup STM32L4xx_LL_Driver
* @{
*/
#if defined (COMP1) || defined (COMP2)
/** @defgroup COMP_LL COMP
* @{
*/
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/** @defgroup COMP_LL_Private_Constants COMP Private Constants
* @{
*/
/* COMP registers bits positions */
#define LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS (30UL) /* Value equivalent to POSITION_VAL(COMP_CSR_VALUE) */
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
/** @defgroup COMP_LL_Private_Macros COMP Private Macros
* @{
*/
/**
* @}
*/
/* Exported types ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup COMP_LL_ES_INIT COMP Exported Init structure
* @{
*/
/**
* @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
* @{
*/
/** @defgroup COMP_LL_EC_COMMON_WINDOWMODE Comparator common modes - Window mode
* @{
*/
#if defined(COMP2)
#define LL_COMP_WINDOWMODE_DISABLE (0x00000000UL) /*!< Window mode disable: Comparators 1 and 2 are independent */
#define LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON (COMP_CSR_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). */
#endif /* COMP2 */
/**
* @}
*/
/** @defgroup COMP_LL_EC_POWERMODE Comparator modes - Power mode
* @{
*/
#define LL_COMP_POWERMODE_HIGHSPEED (0x00000000UL) /*!< COMP power mode to high speed */
#define LL_COMP_POWERMODE_MEDIUMSPEED (COMP_CSR_PWRMODE_0) /*!< COMP power mode to medium speed */
#define LL_COMP_POWERMODE_ULTRALOWPOWER (COMP_CSR_PWRMODE_1 | COMP_CSR_PWRMODE_0) /*!< COMP power mode to ultra-low power */
/**
* @}
*/
/** @defgroup COMP_LL_EC_INPUT_PLUS Comparator inputs - Input plus (input non-inverting) selection
* @{
*/
#define LL_COMP_INPUT_PLUS_IO1 (0x00000000UL) /*!< Comparator input plus connected to IO1 (pin PC5 for COMP1, pin PB4 for COMP2) */
#define LL_COMP_INPUT_PLUS_IO2 (COMP_CSR_INPSEL_0) /*!< Comparator input plus connected to IO2 (pin PB2 for COMP1, pin PB6 for COMP2) */
#if defined(COMP_CSR_INPSEL_1)
#define LL_COMP_INPUT_PLUS_IO3 (COMP_CSR_INPSEL_1) /*!< Comparator input plus connected to IO3 (pin PA1 for COMP1, pin PA3 for COMP2) */
#endif /* COMP_CSR_INPSEL_1 */
/**
* @}
*/
/** @defgroup COMP_LL_EC_INPUT_MINUS Comparator inputs - Input minus (input inverting) selection
* @{
*/
#define LL_COMP_INPUT_MINUS_1_4VREFINT ( COMP_CSR_SCALEN | COMP_CSR_BRGEN) /*!< Comparator input minus connected to 1/4 VrefInt */
#define LL_COMP_INPUT_MINUS_1_2VREFINT ( COMP_CSR_INMSEL_0 | COMP_CSR_SCALEN | COMP_CSR_BRGEN) /*!< Comparator input minus connected to 1/2 VrefInt */
#define LL_COMP_INPUT_MINUS_3_4VREFINT ( COMP_CSR_INMSEL_1 | COMP_CSR_SCALEN | COMP_CSR_BRGEN) /*!< Comparator input minus connected to 3/4 VrefInt */
#define LL_COMP_INPUT_MINUS_VREFINT ( COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0 | COMP_CSR_SCALEN ) /*!< Comparator input minus connected to VrefInt */
#define LL_COMP_INPUT_MINUS_DAC1_CH1 (COMP_CSR_INMSEL_2 ) /*!< Comparator input minus connected to DAC1 channel 1 (DAC_OUT1) */
#define LL_COMP_INPUT_MINUS_DAC1_CH2 (COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_0) /*!< Comparator input minus connected to DAC1 channel 2 (DAC_OUT2) */
#define LL_COMP_INPUT_MINUS_IO1 (COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1 ) /*!< Comparator input minus connected to IO1 (pin PB1 for COMP1, pin PB3 for COMP2) */
#define LL_COMP_INPUT_MINUS_IO2 (COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0) /*!< Comparator input minus connected to IO2 (pin PC4 for COMP1, pin PB7 for COMP2) */
#if defined(COMP_CSR_INMESEL_1)
#define LL_COMP_INPUT_MINUS_IO3 ( COMP_CSR_INMESEL_0 | COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0) /*!< Comparator input minus connected to IO3 (pin PA0 for COMP1, pin PA2 for COMP2) */
#define LL_COMP_INPUT_MINUS_IO4 (COMP_CSR_INMESEL_1 | COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0) /*!< Comparator input minus connected to IO4 (pin PA4 for COMP1, pin PA4 for COMP2) */
#define LL_COMP_INPUT_MINUS_IO5 (COMP_CSR_INMESEL_1 | COMP_CSR_INMESEL_0 | COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0) /*!< Comparator input minus connected to IO5 (pin PA5 for COMP1, pin PA5 for COMP2) */
#endif
/**
* @}
*/
/** @defgroup COMP_LL_EC_INPUT_LEGACY Comparator inputs legacy literals name
* @{
*/
#define LL_COMP_WINDOWMODE_ENABLE LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON
#define LL_COMP_INVERTINGINPUT_1_4VREFINT LL_COMP_INPUT_MINUS_1_4VREFINT
#define LL_COMP_INVERTINGINPUT_1_2VREFINT LL_COMP_INPUT_MINUS_1_2VREFINT
#define LL_COMP_INVERTINGINPUT_3_4VREFINT LL_COMP_INPUT_MINUS_3_4VREFINT
#define LL_COMP_INVERTINGINPUT_VREFINT LL_COMP_INPUT_MINUS_VREFINT
#define LL_COMP_INVERTINGINPUT_DAC1 LL_COMP_INPUT_MINUS_DAC1_CH1
#define LL_COMP_INVERTINGINPUT_DAC2 LL_COMP_INPUT_MINUS_DAC1_CH2
#define LL_COMP_INVERTINGINPUT_IO1 LL_COMP_INPUT_MINUS_IO1
#define LL_COMP_INVERTINGINPUT_IO2 LL_COMP_INPUT_MINUS_IO2
#if defined(COMP_CSR_INMESEL_1)
#define LL_COMP_INVERTINGINPUT_IO3 LL_COMP_INPUT_MINUS_IO3
#define LL_COMP_INVERTINGINPUT_IO4 LL_COMP_INPUT_MINUS_IO4
#define LL_COMP_INVERTINGINPUT_IO5 LL_COMP_INPUT_MINUS_IO5
#endif /* COMP_CSR_INMESEL_1 */
#define LL_COMP_NONINVERTINGINPUT_IO1 LL_COMP_INPUT_PLUS_IO1
#define LL_COMP_NONINVERTINGINPUT_IO2 LL_COMP_INPUT_PLUS_IO2
#if defined(COMP_CSR_INPSEL_1)
#define LL_COMP_NONINVERTINGINPUT_IO3 LL_COMP_INPUT_PLUS_IO3
#endif /* COMP_CSR_INPSEL_1 */
/**
* @}
*/
/** @defgroup COMP_LL_EC_INPUT_HYSTERESIS Comparator input - Hysteresis
* @{
*/
#define LL_COMP_HYSTERESIS_NONE (0x00000000UL) /*!< No hysteresis */
#define LL_COMP_HYSTERESIS_LOW ( COMP_CSR_HYST_0) /*!< Hysteresis level low */
#define LL_COMP_HYSTERESIS_MEDIUM (COMP_CSR_HYST_1 ) /*!< Hysteresis level medium */
#define LL_COMP_HYSTERESIS_HIGH (COMP_CSR_HYST_1 | COMP_CSR_HYST_0) /*!< Hysteresis level high */
/**
* @}
*/
/** @defgroup COMP_LL_EC_OUTPUT_POLARITY Comparator output - Output polarity
* @{
*/
#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_CSR_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
* @{
*/
#define LL_COMP_BLANKINGSRC_NONE (0x00000000UL) /*!<Comparator output without blanking */
#define LL_COMP_BLANKINGSRC_TIM1_OC5_COMP1 (COMP_CSR_BLANKING_0) /*!< Comparator output blanking source TIM1 OC5 (specific to COMP instance: COMP1) */
#define LL_COMP_BLANKINGSRC_TIM2_OC3_COMP1 (COMP_CSR_BLANKING_1) /*!< Comparator output blanking source TIM2 OC3 (specific to COMP instance: COMP1) */
#define LL_COMP_BLANKINGSRC_TIM3_OC3_COMP1 (COMP_CSR_BLANKING_2) /*!< Comparator output blanking source TIM3 OC3 (specific to COMP instance: COMP1) */
#define LL_COMP_BLANKINGSRC_TIM3_OC4_COMP2 (COMP_CSR_BLANKING_0) /*!< Comparator output blanking source TIM3 OC4 (specific to COMP instance: COMP2) */
#define LL_COMP_BLANKINGSRC_TIM8_OC5_COMP2 (COMP_CSR_BLANKING_1) /*!< Comparator output blanking source TIM8 OC5 (specific to COMP instance: COMP2) */
#define LL_COMP_BLANKINGSRC_TIM15_OC1_COMP2 (COMP_CSR_BLANKING_2) /*!< Comparator output blanking source TIM15 OC1 (specific to COMP instance: COMP2) */
/**
* @}
*/
/** @defgroup COMP_LL_EC_OUTPUT_BLANKING_SOURCE_LEGACY Comparator output blanking source legacy literals name
* @{
*/
#define LL_COMP_BLANKINGSRC_TIM1_OC5 (LL_COMP_BLANKINGSRC_TIM1_OC5_COMP1)
#define LL_COMP_BLANKINGSRC_TIM2_OC3 (LL_COMP_BLANKINGSRC_TIM2_OC3_COMP1)
#define LL_COMP_BLANKINGSRC_TIM3_OC3 (LL_COMP_BLANKINGSRC_TIM3_OC3_COMP1)
#define LL_COMP_BLANKINGSRC_TIM3_OC4 (LL_COMP_BLANKINGSRC_TIM3_OC4_COMP2)
#define LL_COMP_BLANKINGSRC_TIM8_OC5 (LL_COMP_BLANKINGSRC_TIM8_OC5_COMP2)
#define LL_COMP_BLANKINGSRC_TIM15_OC1 (LL_COMP_BLANKINGSRC_TIM15_OC1_COMP2)
/**
* @}
*/
/** @defgroup COMP_LL_EC_OUTPUT_LEVEL Comparator output - Output level
* @{
*/
#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_HW_DELAYS Definitions of COMP hardware constraints delays
* @note Only COMP peripheral 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
* @{
*/
/** @defgroup COMP_LL_EM_WRITE_READ Common write and read registers macro
* @{
*/
/**
* @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
* @{
*/
/**
* @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
* @{
*/
#if defined(COMP2)
/** @defgroup COMP_LL_EF_Configuration_comparator_common Configuration of COMP hierarchical scope:
* common to several COMP instances
* @{
*/
/**
* @brief Set window mode of a pair of comparators instances
* (2 consecutive COMP instances COMP<x> and COMP<x+1>).
* @rmtoll CSR 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 series, window mode can be set only */
/* from COMP instance: COMP2. */
MODIFY_REG(COMPxy_COMMON->CSR, COMP_CSR_WINMODE, WindowMode);
}
/**
* @brief Get window mode of a pair of comparators instances
* (2 consecutive COMP instances COMP<x> and COMP<x+1>).
* @rmtoll CSR 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(const COMP_Common_TypeDef *COMPxy_COMMON)
{
return (uint32_t)(READ_BIT(COMPxy_COMMON->CSR, COMP_CSR_WINMODE));
}
/**
* @}
*/
#endif /* COMP2 */
/** @defgroup COMP_LL_EF_Configuration_comparator_modes Configuration of comparator modes
* @{
*/
/**
* @brief Set comparator instance operating mode to adjust power and speed.
* @rmtoll CSR 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->CSR, COMP_CSR_PWRMODE, PowerMode);
}
/**
* @brief Get comparator instance operating mode to adjust power and speed.
* @rmtoll CSR 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(const COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_PWRMODE));
}
/**
* @}
*/
/** @defgroup COMP_LL_EF_Configuration_comparator_inputs Configuration of comparator inputs
* @{
*/
/**
* @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 series, 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 CSR INMSEL LL_COMP_ConfigInputs\n
* CSR INPSEL LL_COMP_ConfigInputs\n
* CSR BRGEN LL_COMP_ConfigInputs\n
* CSR 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
* @arg @ref LL_COMP_INPUT_MINUS_IO3 (*)
* @arg @ref LL_COMP_INPUT_MINUS_IO4 (*)
* @arg @ref LL_COMP_INPUT_MINUS_IO5 (*)
*
* (*) Parameter not available on all devices.
* @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
* @arg @ref LL_COMP_INPUT_PLUS_IO3 (*)
*
* (*) Parameter not available on all devices.
* @retval None
*/
__STATIC_INLINE void LL_COMP_ConfigInputs(COMP_TypeDef *COMPx, uint32_t InputMinus, uint32_t InputPlus)
{
#if defined(COMP_CSR_INMESEL_1)
MODIFY_REG(COMPx->CSR,
COMP_CSR_INMESEL | COMP_CSR_INMSEL | COMP_CSR_INPSEL | COMP_CSR_SCALEN | COMP_CSR_BRGEN,
InputMinus | InputPlus);
#else
MODIFY_REG(COMPx->CSR,
COMP_CSR_INMSEL | COMP_CSR_INPSEL | COMP_CSR_SCALEN | COMP_CSR_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 CSR 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
* @arg @ref LL_COMP_INPUT_PLUS_IO3 (*)
*
* (*) Parameter not available on all devices.
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetInputPlus(COMP_TypeDef *COMPx, uint32_t InputPlus)
{
MODIFY_REG(COMPx->CSR, COMP_CSR_INPSEL, InputPlus);
}
/**
* @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 CSR 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
* @arg @ref LL_COMP_INPUT_PLUS_IO3 (*)
*
* (*) Parameter not available on all devices.
*/
__STATIC_INLINE uint32_t LL_COMP_GetInputPlus(const COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_INPSEL));
}
/**
* @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 series, 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 CSR INMSEL LL_COMP_SetInputMinus\n
* CSR BRGEN LL_COMP_SetInputMinus\n
* CSR 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
* @arg @ref LL_COMP_INPUT_MINUS_IO3 (*)
* @arg @ref LL_COMP_INPUT_MINUS_IO4 (*)
* @arg @ref LL_COMP_INPUT_MINUS_IO5 (*)
*
* (*) Parameter not available on all devices.
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetInputMinus(COMP_TypeDef *COMPx, uint32_t InputMinus)
{
#if defined(COMP_CSR_INMESEL_1)
MODIFY_REG(COMPx->CSR, COMP_CSR_INMESEL | COMP_CSR_INMSEL | COMP_CSR_SCALEN | COMP_CSR_BRGEN, InputMinus);
#else
MODIFY_REG(COMPx->CSR, COMP_CSR_INMSEL | COMP_CSR_SCALEN | COMP_CSR_BRGEN, InputMinus);
#endif /* COMP_CSR_INMESEL_1 */
}
/**
* @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 CSR INMSEL LL_COMP_GetInputMinus\n
* CSR BRGEN LL_COMP_GetInputMinus\n
* CSR 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
* @arg @ref LL_COMP_INPUT_MINUS_IO3 (*)
* @arg @ref LL_COMP_INPUT_MINUS_IO4 (*)
* @arg @ref LL_COMP_INPUT_MINUS_IO5 (*)
*
* (*) Parameter not available on all devices.
*/
__STATIC_INLINE uint32_t LL_COMP_GetInputMinus(const COMP_TypeDef *COMPx)
{
#if defined(COMP_CSR_INMESEL_1)
return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_INMESEL | COMP_CSR_INMSEL | COMP_CSR_SCALEN | COMP_CSR_BRGEN));
#else
return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_INMSEL | COMP_CSR_SCALEN | COMP_CSR_BRGEN));
#endif /* COMP_CSR_INMESEL_1 */
}
/**
* @brief Set comparator instance hysteresis mode of the input minus (inverting input).
* @rmtoll CSR 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->CSR, COMP_CSR_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(const COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_HYST));
}
/**
* @}
*/
/** @defgroup COMP_LL_EF_Configuration_comparator_output Configuration of comparator output
* @{
*/
/**
* @brief Set comparator instance output polarity.
* @rmtoll CSR 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->CSR, COMP_CSR_POLARITY, OutputPolarity);
}
/**
* @brief Get comparator instance output polarity.
* @rmtoll CSR 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(const COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_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 CSR 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_COMP1 (1)(2)
* @arg @ref LL_COMP_BLANKINGSRC_TIM2_OC3_COMP1 (1)(2)
* @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC3_COMP1 (1)(2)
* @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC4_COMP2 (1)(3)
* @arg @ref LL_COMP_BLANKINGSRC_TIM8_OC5_COMP2 (1)(3)
* @arg @ref LL_COMP_BLANKINGSRC_TIM15_OC1_COMP2 (1)(3)
*
* (1) Parameter availability depending on timer availability
* on the selected device.
* (2) On STM32L4, parameter available only on comparator instance: COMP1.
* (3) On STM32L4, parameter available only on comparator instance: COMP2.
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetOutputBlankingSource(COMP_TypeDef *COMPx, uint32_t BlankingSource)
{
MODIFY_REG(COMPx->CSR, COMP_CSR_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 CSR 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_COMP1 (1)(2)
* @arg @ref LL_COMP_BLANKINGSRC_TIM2_OC3_COMP1 (1)(2)
* @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC3_COMP1 (1)(2)
* @arg @ref LL_COMP_BLANKINGSRC_TIM3_OC4_COMP2 (1)(3)
* @arg @ref LL_COMP_BLANKINGSRC_TIM8_OC5_COMP2 (1)(3)
* @arg @ref LL_COMP_BLANKINGSRC_TIM15_OC1_COMP2 (1)(3)
*
* (1) Parameter availability depending on timer availability
* on the selected device.
* (2) On STM32L4, parameter available only on comparator instance: COMP1.
* (3) On STM32L4, parameter available only on comparator instance: COMP2.
*/
__STATIC_INLINE uint32_t LL_COMP_GetOutputBlankingSource(const COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_BLANKING));
}
/**
* @}
*/
/** @defgroup COMP_LL_EF_Configuration_Legacy_Functions Configuration of COMP, legacy functions name
* @{
*/
/* Old functions name kept for legacy purpose, to be replaced by the */
/* current functions name. */
__STATIC_INLINE void LL_COMP_SetInputNonInverting(COMP_TypeDef *COMPx, uint32_t InputNonInverting)
{
LL_COMP_SetInputPlus(COMPx, InputNonInverting);
}
__STATIC_INLINE uint32_t LL_COMP_GetInputNonInverting(const COMP_TypeDef *COMPx)
{
return LL_COMP_GetInputPlus(COMPx);
}
__STATIC_INLINE void LL_COMP_SetInputInverting(COMP_TypeDef *COMPx, uint32_t InputInverting)
{
LL_COMP_SetInputMinus(COMPx, InputInverting);
}
__STATIC_INLINE uint32_t LL_COMP_GetInputInverting(const COMP_TypeDef *COMPx)
{
return LL_COMP_GetInputMinus(COMPx);
}
/**
* @}
*/
/** @defgroup COMP_LL_EF_Operation Operation on comparator instance
* @{
*/
/**
* @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 CSR EN LL_COMP_Enable
* @param COMPx Comparator instance
* @retval None
*/
__STATIC_INLINE void LL_COMP_Enable(COMP_TypeDef *COMPx)
{
SET_BIT(COMPx->CSR, COMP_CSR_EN);
}
/**
* @brief Disable comparator instance.
* @rmtoll CSR EN LL_COMP_Disable
* @param COMPx Comparator instance
* @retval None
*/
__STATIC_INLINE void LL_COMP_Disable(COMP_TypeDef *COMPx)
{
CLEAR_BIT(COMPx->CSR, COMP_CSR_EN);
}
/**
* @brief Get comparator enable state
* (0: COMP is disabled, 1: COMP is enabled)
* @rmtoll CSR EN LL_COMP_IsEnabled
* @param COMPx Comparator instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_COMP_IsEnabled(const COMP_TypeDef *COMPx)
{
return ((READ_BIT(COMPx->CSR, COMP_CSR_EN) == (COMP_CSR_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 CSR LOCK LL_COMP_Lock
* @param COMPx Comparator instance
* @retval None
*/
__STATIC_INLINE void LL_COMP_Lock(COMP_TypeDef *COMPx)
{
SET_BIT(COMPx->CSR, COMP_CSR_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 CSR LOCK LL_COMP_IsLocked
* @param COMPx Comparator instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_COMP_IsLocked(const COMP_TypeDef *COMPx)
{
return ((READ_BIT(COMPx->CSR, COMP_CSR_LOCK) == (COMP_CSR_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 CSR 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(const COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_VALUE)
>> LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS);
}
/**
* @}
*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup COMP_LL_EF_Init Initialization and de-initialization functions
* @{
*/
ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx);
ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, const 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 /* STM32L4xx_LL_COMP_H */