/** ****************************************************************************** * @file stm32h7xx_ll_comp.h * @author MCD Application Team * @brief Header file of COMP LL module. ****************************************************************************** * @attention * *

© Copyright (c) 2017 STMicroelectronics. * All rights reserved.

* * 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 * @{ */ /* 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 (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 * @{ */ /** * @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 * @{ */ #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 * @{ */ #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 * @{ */ #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 * @{ */ #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 * @{ */ #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 * @{ */ #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 * @{ */ #define LL_COMP_BLANKINGSRC_NONE (0x00000000UL) /*!__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 * @{ */ /** @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 odd and even COMP and COMP). * @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 and COMP). * @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 * @{ */ /** * @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 * @{ */ /** * @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 * @{ */ /** * @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 * @{ */ /** * @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 * @{ */ 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****/