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py32f0-template/Libraries/PY32F0xx_HAL_Driver/Inc/py32f0xx_ll_comp.h
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/**
******************************************************************************
* @file py32f0xx_ll_comp.h
* @author MCU Application Team
* @brief Header file of COMP LL module.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
* All rights reserved.</center></h2>
*
* <h2><center>&copy; Copyright (c) 2016 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 __PY32F0XX_LL_COMP_H
#define __PY32F0XX_LL_COMP_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "py32f0xx.h"
/** @addtogroup py32f0xx_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
* @{
*/
/* Internal mask for pair of comparators instances window mode: */
/* To select into literals LL_COMP_WINDOWMODE_COMPx_INPUT_PLUS_COMMON */
/* the relevant bits for: */
/* (concatenation of multiple bits used in different registers) */
/* - Comparator instance selected as master for window mode : register offset */
/* - Window mode enable or disable: bit value */
#define LL_COMP_WINDOWMODE_COMP_ODD_REGOFFSET_MASK (0x00000000U) /* Register of COMP instance odd (COMP1_CSR, ...) defined as reference register */
#define LL_COMP_WINDOWMODE_COMP_EVEN_REGOFFSET_MASK (0x00000004U) /* Register of COMP instance even (COMP2_CSR, ...) offset vs register of COMP instance odd */
#define LL_COMP_WINDOWMODE_COMPX_REGOFFSET_MASK (LL_COMP_WINDOWMODE_COMP_ODD_REGOFFSET_MASK | LL_COMP_WINDOWMODE_COMP_EVEN_REGOFFSET_MASK)
#define LL_COMP_WINDOWMODE_COMPX_SETTING_MASK (COMP_CSR_WINMODE)
#define LL_COMP_WINDOWOUTPUT_BOTH_POS_VS_WINDOW (1U)
/* COMP registers bits positions */
#define LL_COMP_WINDOWMODE_BITOFFSET_POS (11U) /* Value equivalent to POSITION_VAL(COMP_CSR_WINMODE) */
#define LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS (30U) /* Value equivalent to POSITION_VAL(COMP_CSR_COMP_OUT) */
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
/** @defgroup COMP_LL_Private_Macros COMP Private Macros
* @{
*/
/**
* @brief Driver macro reserved for internal use: set a pointer to
* a register from a register basis from which an offset
* is applied.
* @param __REG__ Register basis from which the offset is applied.
* @param __REG_OFFFSET__ Offset to be applied (unit: number of registers).
* @retval Pointer to register address
*/
#define __COMP_PTR_REG_OFFSET(__REG__, __REG_OFFFSET__) \
((__IO uint32_t *)((uint32_t) ((uint32_t)(&(__REG__)) + ((__REG_OFFFSET__) << 2U))))
/**
* @}
*/
/* 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 DigitalFilter; /*!< Specifies the digital filter.
This parameter must be a number between 0 and 0xFFFF
The filter is prohibited,when the value is zero.
This feature can be modified afterwards using unitary function @ref LL_COMP_SetDigitalFilter(). */
} 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 (0x00000000U) /*!< Window mode disable: Comparators 1 and 2 are independent */
#define LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON (COMP_CSR_WINMODE | LL_COMP_WINDOWMODE_COMP_EVEN_REGOFFSET_MASK) /*!< 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). */
#define LL_COMP_WINDOWMODE_COMP2_INPUT_PLUS_COMMON (COMP_CSR_WINMODE | LL_COMP_WINDOWMODE_COMP_ODD_REGOFFSET_MASK) /*!< Window mode enable: if used from COMP1 or COMP2 instance, comparators instances pair COMP1 and COMP2 have their input plus connected together, the common input is COMP2 input plus (COMP1 input plus is no more accessible). If used from COMP3 instance (when available), comparators instances pair COMP2 and COMP3 have their input plus connected together, the common input is COMP2 input plus (COMP3 input plus is no more accessible). */
/**
* @}
*/
/** @defgroup COMP_LL_EC_POWERMODE Comparator modes - Power mode
* @{
*/
#define LL_COMP_POWERMODE_HIGHSPEED (0x00000000U) /*!< COMP power mode to high speed */
#define LL_COMP_POWERMODE_MEDIUMSPEED (COMP_CSR_PWRMODE_0) /*!< COMP power mode to medium speed */
/**
* @}
*/
/** @defgroup COMP_LL_EC_INPUT_PLUS Comparator inputs - Input plus (input non-inverting) selection
* @{
*/
#define LL_COMP_INPUT_PLUS_IO1 (0x00000000U) /*!< Comparator input plus connected to IO1 (pin PB8 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) */
#define LL_COMP_INPUT_PLUS_IO3 (COMP_CSR_INPSEL_1 ) /*!< Comparator input plus connected to IO3 (pin PA1 for COMP1, pin PA3 for COMP2) */
#define LL_COMP_INPUT_PLUS_IO4 (COMP_CSR_INPSEL_1|COMP_CSR_INPSEL_0) /*!< Comparator input plus connected to IO4 (Reserved for COMP1, pin PF3 for COMP2) */
/**
* @}
*/
/** @defgroup COMP_LL_EC_INPUT_MINUS Comparator inputs - Input minus (input inverting) selection
* @{
*/
#define LL_COMP_INPUT_MINUS_1_4VREFINT (0x00000000U) /*!< Comparator input minus connected to 1/4 VrefInt */
#define LL_COMP_INPUT_MINUS_1_2VREFINT ( COMP_CSR_INMSEL_0) /*!< Comparator input minus connected to 1/2 VrefInt */
#define LL_COMP_INPUT_MINUS_3_4VREFINT ( COMP_CSR_INMSEL_1 ) /*!< Comparator input minus connected to 3/4 VrefInt */
#define LL_COMP_INPUT_MINUS_VREFINT ( COMP_CSR_INMSEL_1 | COMP_CSR_INMSEL_0) /*!< Comparator input minus connected to VrefInt */
#define LL_COMP_INPUT_MINUS_VCC ( COMP_CSR_INMSEL_2 ) /*!< Comparator input minus connected to VCC */
#define LL_COMP_INPUT_MINUS_TS ( COMP_CSR_INMSEL_2 | COMP_CSR_INMSEL_0) /*!< Comparator input minus connected to TS */
#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 (Reserved for COMP1, pin PB7 for COMP2) */
#define LL_COMP_INPUT_MINUS_IO3 (COMP_CSR_INMSEL_3 ) /*!< Comparator input minus connected to IO3 (pin PA0 for COMP1, pin PA2 for COMP2) */
/**
* @}
*/
/** @defgroup COMP_LL_EC_INPUT_HYSTERESIS Comparator input - Hysteresis
* @{
*/
#define LL_COMP_HYSTERESIS_DISABLE (0x00000000U) /*!< No hysteresis */
#define LL_COMP_HYSTERESIS_ENABLE (COMP_CSR_HYST) /*!< Hysteresis enable */
/**
* @}
*/
/** @defgroup COMP_LL_EC_OUTPUT_POLARITY Comparator output - Output polarity
* @{
*/
#define LL_COMP_OUTPUTPOL_NONINVERTED (0x00000000U) /*!< 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_LEVEL Comparator output - Output level
* @{
*/
#define LL_COMP_OUTPUT_LEVEL_LOW (0x00000000U) /*!< Comparator output level low (if the polarity is not inverted, otherwise to be complemented) */
#define LL_COMP_OUTPUT_LEVEL_HIGH (0x00000001U) /*!< 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 ( 80U) /*!< 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 ( 200U) /*!< 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
* @{
*/
/** @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
* @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
* @arg @ref LL_COMP_WINDOWMODE_COMP2_INPUT_PLUS_COMMON
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetCommonWindowMode(COMP_Common_TypeDef *COMPxy_COMMON, uint32_t WindowMode)
{
uint32_t window_mode_tmp = WindowMode;
/* Note: On this PY32 series, window mode can be set from any instance */
/* of the pair of comparator instances. */
__IO uint32_t *preg = __COMP_PTR_REG_OFFSET(COMPxy_COMMON->CSR_ODD, (window_mode_tmp & LL_COMP_WINDOWMODE_COMPX_REGOFFSET_MASK));
/* Clear the potential previous setting of window mode */
__IO uint32_t *preg_clear = __COMP_PTR_REG_OFFSET(COMPxy_COMMON->CSR_ODD, (~(window_mode_tmp & LL_COMP_WINDOWMODE_COMPX_REGOFFSET_MASK) & LL_COMP_WINDOWMODE_COMP_EVEN_REGOFFSET_MASK));
CLEAR_BIT(*preg_clear,COMP_CSR_WINMODE);
/* Set window mode */
MODIFY_REG(*preg, COMP_CSR_WINMODE,(window_mode_tmp & LL_COMP_WINDOWMODE_COMPX_SETTING_MASK));
}
/**
* @brief Get window mode of a pair of comparators instances
* @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
* @arg @ref LL_COMP_WINDOWMODE_COMP2_INPUT_PLUS_COMMON
*
*/
__STATIC_INLINE uint32_t LL_COMP_GetCommonWindowMode(COMP_Common_TypeDef *COMPxy_COMMON)
{
/* Note: On this PY32 series, window mode can be set from any instance */
/* of the pair of comparator instances. */
const uint32_t window_mode_comp_odd = (uint32_t)READ_BIT(COMPxy_COMMON->CSR_ODD, COMP_CSR_WINMODE);
const uint32_t window_mode_comp_even = (uint32_t)READ_BIT(COMPxy_COMMON->CSR_EVEN, COMP_CSR_WINMODE);
return (uint32_t)(window_mode_comp_odd | window_mode_comp_even
| ((window_mode_comp_even >> LL_COMP_WINDOWMODE_BITOFFSET_POS) * LL_COMP_WINDOWMODE_COMP_EVEN_REGOFFSET_MASK));
}
/**
* @}
*/
/** @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
* @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
*/
__STATIC_INLINE uint32_t LL_COMP_GetPowerMode(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 PY32 series, a voltage scaler is used
* when COMP input is based on VrefInt (VrefInt or subdivision
* of VrefInt):
* Voltage scaler requires a delay for voltage stabilization.
* Refer to device datasheet, parameter "tSTART_SCALER".
* @rmtoll CSR INMSEL LL_COMP_ConfigInputs\n
* CSR INPSEL 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_VCC
* @arg @ref LL_COMP_INPUT_MINUS_TS
* @arg @ref LL_COMP_INPUT_MINUS_IO1
* @arg @ref LL_COMP_INPUT_MINUS_IO2
* @arg @ref LL_COMP_INPUT_MINUS_IO3
* @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
* @arg @ref LL_COMP_INPUT_PLUS_IO4
* @retval None
*/
__STATIC_INLINE void LL_COMP_ConfigInputs(COMP_TypeDef *COMPx, uint32_t InputMinus, uint32_t InputPlus)
{
MODIFY_REG(COMPx->CSR,COMP_CSR_INMSEL | COMP_CSR_INPSEL,InputMinus | InputPlus);
}
/**
* @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
* @arg @ref LL_COMP_INPUT_PLUS_IO4
* @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
* @arg @ref LL_COMP_INPUT_PLUS_IO4
*/
__STATIC_INLINE uint32_t LL_COMP_GetInputPlus(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 PY32 series, a voltage scaler is used
* when COMP input is based on VrefInt (VrefInt or subdivision
* of VrefInt):
* Voltage scaler requires a delay for voltage stabilization.
* Refer to device datasheet, parameter "tSTART_SCALER".
* @rmtoll CSR INMSEL 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_VCC
* @arg @ref LL_COMP_INPUT_MINUS_TS
* @arg @ref LL_COMP_INPUT_MINUS_IO1
* @arg @ref LL_COMP_INPUT_MINUS_IO2
* @arg @ref LL_COMP_INPUT_MINUS_IO3
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetInputMinus(COMP_TypeDef *COMPx, uint32_t InputMinus)
{
MODIFY_REG(COMPx->CSR, COMP_CSR_INMSEL, 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 CSR INMSEL 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_VCC
* @arg @ref LL_COMP_INPUT_MINUS_TS
* @arg @ref LL_COMP_INPUT_MINUS_IO1
* @arg @ref LL_COMP_INPUT_MINUS_IO2
* @arg @ref LL_COMP_INPUT_MINUS_IO3
*/
__STATIC_INLINE uint32_t LL_COMP_GetInputMinus(COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_INMSEL));
}
/**
* @brief Set comparator instance hysteresis mode of the input minus (inverting input).
* @rmtoll CSR HYST LL_COMP_SetInputHysteresis
* @note COMP1/COMP2 use the same register
* @param COMPx Comparator instance
* @param InputHysteresis This parameter can be one of the following values:
* @arg @ref LL_COMP_HYSTERESIS_DISABLE
* @arg @ref LL_COMP_HYSTERESIS_ENABLE
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetInputHysteresis(COMP_TypeDef *COMPx, uint32_t InputHysteresis)
{
MODIFY_REG(COMP1->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_DISABLE
* @arg @ref LL_COMP_HYSTERESIS_ENABLE
*/
__STATIC_INLINE uint32_t LL_COMP_GetInputHysteresis(COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMP1->CSR, COMP_CSR_HYST));
}
/**
* @brief Enable comparator VREFINT releated Input.
* @rmtoll CSR SCALER_EN LL_COMP_EnableScaler
* @note In case of comparator input selected to be connected to
* VREFINT,3/4VREFINT,1/2VREFINT,1/4VREFINT.SCALER_EN should
* be Enabled. COMP1/COMP2 use the same register
* @param COMPx Comparator instance
* @retval None
*/
__STATIC_INLINE void LL_COMP_EnableScaler(COMP_TypeDef *COMPx)
{
SET_BIT(COMP1->CSR, COMP_CSR_SCALER_EN);
}
/**
* @brief Disable comparator VREFINT releated Input.
* @rmtoll CSR SCALER_EN LL_COMP_DisableScaler
* @param COMPx Comparator instance
* @retval None
*/
__STATIC_INLINE void LL_COMP_DisableScaler(COMP_TypeDef *COMPx)
{
CLEAR_BIT(COMP1->CSR, COMP_CSR_SCALER_EN);
}
/**
* @brief Get comparator VREFINT releated Input enable state
* (0: SCALER is disabled, 1: SCALER is enabled)
* @rmtoll CSR SCALER_EN LL_COMP_IsEnabledScaler
* @param COMPx Comparator instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_COMP_IsEnabledScaler(COMP_TypeDef *COMPx)
{
return ((READ_BIT(COMP1->CSR, COMP_CSR_SCALER_EN) == (COMP_CSR_SCALER_EN)) ? 1U : 0U);
}
/**
* @}
*/
/** @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(COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_POLARITY));
}
/**
* @}
*/
/** @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(COMP_TypeDef *COMPx)
{
return ((READ_BIT(COMPx->CSR, COMP_CSR_EN) == (COMP_CSR_EN)) ? 1U : 0U);
}
/**
* @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(COMP_TypeDef *COMPx)
{
return ((READ_BIT(COMPx->CSR, COMP_CSR_LOCK) == (COMP_CSR_LOCK)) ? 1U : 0U);
}
/**
* @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(COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_BIT(COMPx->CSR, COMP_CSR_COMP_OUT)>> LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS);
}
/**
* @}
*/
/** @defgroup COMP_LL_EF_DigitalFilter DigitalFilter on comparator instance
* @{
*/
/**
* @brief Enable comparator DigitalFilter.
* @rmtoll FR FLTEN LL_COMP_EnableDigitalFilter
* @param COMPx Comparator instance
* @retval None
*/
__STATIC_INLINE void LL_COMP_EnableDigitalFilter(COMP_TypeDef *COMPx)
{
SET_BIT(COMPx->FR, COMP_FR_FLTEN);
}
/**
* @brief Disable comparator DigitalFilter.
* @rmtoll FR FLTEN LL_COMP_DisableDigitalFilter
* @param COMPx Comparator instance
* @retval None
*/
__STATIC_INLINE void LL_COMP_DisableDigitalFilter(COMP_TypeDef *COMPx)
{
CLEAR_BIT(COMPx->FR, COMP_FR_FLTEN);
}
/**
* @brief Get comparator DigitalFilter state
* (0: Filter is Disabled, 1: Filter is Enabled).
* @rmtoll FR FLTEN LL_COMP_IsEnabledDigitalFilter
* @param COMPx Comparator instance
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_COMP_IsEnabledDigitalFilter(COMP_TypeDef *COMPx)
{
return ((READ_BIT(COMPx->FR, COMP_FR_FLTEN) == (COMP_FR_FLTEN)) ? 1U : 0U);
}
/**
* @brief Set comparator DigitalFilter Value.
* @rmtoll FR FLTCNT LL_COMP_SetDigitalFilter
* @param COMPx Comparator instance
* @param DigitalFilter Value between Min_Data=0x0000 and Max_Data=0xFFFF
* @retval None
*/
__STATIC_INLINE void LL_COMP_SetDigitalFilter(COMP_TypeDef *COMPx,uint32_t FLTCNTValue)
{
MODIFY_REG(COMPx->FR,COMP_FR_FLTCNT,FLTCNTValue << COMP_FR_FLTCNT_Pos);
}
/**
* @brief Get comparator DigitalFilter Value
* @rmtoll FR FLTCNT LL_COMP_GetDigitalFilter
* @param COMPx Comparator instance
* @retval DigitalFilter Value between Min_Data=0x0000 and Max_Data=0xFFFF
*/
__STATIC_INLINE uint32_t LL_COMP_GetDigitalFilter(COMP_TypeDef *COMPx)
{
return (uint32_t)(READ_REG(COMPx->FR)>>COMP_FR_FLTCNT_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, 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 /* PY32F0xx_LL_COMP_H */
/************************ (C) COPYRIGHT Puya *****END OF FILE****/
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