From a81fc41c3eb99e8fc52aa734ee63e13c937aab81 Mon Sep 17 00:00:00 2001 From: JanHenrik Date: Sun, 19 Jan 2020 00:56:37 +0100 Subject: added blink example --- .../STM32F0xx_HAL_Driver/Inc/stm32f0xx_ll_comp.h | 831 +++++++++++++++++++++ 1 file changed, 831 insertions(+) create mode 100644 Blink/Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_ll_comp.h (limited to 'Blink/Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_ll_comp.h') diff --git a/Blink/Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_ll_comp.h b/Blink/Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_ll_comp.h new file mode 100644 index 0000000..1dcde86 --- /dev/null +++ b/Blink/Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_ll_comp.h @@ -0,0 +1,831 @@ +/** + ****************************************************************************** + * @file stm32f0xx_ll_comp.h + * @author MCD Application Team + * @brief Header file of COMP LL module. + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2016 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 __STM32F0xx_LL_COMP_H +#define __STM32F0xx_LL_COMP_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f0xx.h" + +/** @addtogroup STM32F0xx_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 + * @{ + */ + +/* Differentiation between COMP instances */ +/* Note: Value not corresponding to a register offset since both */ +/* COMP instances are sharing the same register) . */ +#define COMPX_BASE COMP_BASE +#define COMPX (COMP1 - COMP2) + +/* COMP registers bits positions */ +#define LL_COMP_OUTPUT_LEVEL_BITOFFSET_POS ((uint32_t)14U) /* Value equivalent to POSITION_VAL(COMP_CSR_COMP1OUT) */ + +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/** @defgroup COMP_LL_Private_Macros COMP Private Macros + * @{ + */ + +/** + * @brief Driver macro reserved for internal use: if COMP instance selected + * is odd (COMP1, COMP3, ...), return value '1', else return '0'. + * @param __COMP_INSTANCE__ COMP instance + * @retval If COMP instance is odd, value '1'. Else, value '0'. +*/ +#define __COMP_IS_INSTANCE_ODD(__COMP_INSTANCE__) \ + ((~(((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) >> 1U)) & 0x00000001) + +/** + * @brief Driver macro reserved for internal use: if COMP instance selected + * is even (COMP2, COMP4, ...), return value '1', else return '0'. + * @param __COMP_INSTANCE__ COMP instance + * @retval If COMP instance is even, value '1'. Else, value '0'. +*/ +#define __COMP_IS_INSTANCE_EVEN(__COMP_INSTANCE__) \ + (((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) >> 1U) + +/** + * @brief Driver macro reserved for internal use: from COMP instance + * selected, set offset of bits into COMP register. + * @note Since both COMP instances are sharing the same register + * with 2 area of bits with an offset of 16 bits, this function + * returns value "0" if COMP1 is selected and "16" if COMP2 is + * selected. + * @param __COMP_INSTANCE__ COMP instance + * @retval Bits offset in register 32 bits +*/ +#define __COMP_BITOFFSET_INSTANCE(__COMP_INSTANCE__) \ + (((uint32_t)(__COMP_INSTANCE__) - COMP_BASE) << 3U) + +/** + * @} + */ + +/* 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 OutputSelection; /*!< Set comparator output selection. + This parameter can be a value of @ref COMP_LL_EC_OUTPUT_SELECTION + + This feature can be modified afterwards using unitary function @ref LL_COMP_SetOutputSelection(). */ + + 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(). */ + +} 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 ((uint32_t)0x00000000U) /*!< Window mode disable: Comparators 1 and 2 are independent */ +#define LL_COMP_WINDOWMODE_COMP1_INPUT_PLUS_COMMON (COMP_CSR_WNDWEN) /*!< 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 ((uint32_t)0x00000000U) /*!< COMP power mode to high speed */ +#define LL_COMP_POWERMODE_MEDIUMSPEED (COMP_CSR_COMP1MODE_0) /*!< COMP power mode to medium speed */ +#define LL_COMP_POWERMODE_LOWPOWER (COMP_CSR_COMP1MODE_1) /*!< COMP power mode to low power */ +#define LL_COMP_POWERMODE_ULTRALOWPOWER (COMP_CSR_COMP1MODE_1 | COMP_CSR_COMP1MODE_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 ((uint32_t)0x00000000U) /*!< Comparator input plus connected to IO1 (pin PA1 for COMP1, pin PA3 for COMP2) */ +#define LL_COMP_INPUT_PLUS_DAC1_CH1 (COMP_CSR_COMP1SW1) /*!< Comparator input plus connected to DAC1 channel 1 (DAC_OUT1), through dedicated switch (Note: this switch is solely intended to redirect signals onto high impedance input, such as COMP1 input plus (highly resistive switch)) (specific to COMP instance: COMP1) */ +/** + * @} + */ + +/** @defgroup COMP_LL_EC_INPUT_MINUS Comparator inputs - Input minus (input inverting) selection + * @{ + */ +#define LL_COMP_INPUT_MINUS_1_4VREFINT ((uint32_t)0x00000000U) /*!< Comparator input minus connected to 1/4 VrefInt */ +#define LL_COMP_INPUT_MINUS_1_2VREFINT ( COMP_CSR_COMP1INSEL_0) /*!< Comparator input minus connected to 1/2 VrefInt */ +#define LL_COMP_INPUT_MINUS_3_4VREFINT ( COMP_CSR_COMP1INSEL_1 ) /*!< Comparator input minus connected to 3/4 VrefInt */ +#define LL_COMP_INPUT_MINUS_VREFINT ( COMP_CSR_COMP1INSEL_1 | COMP_CSR_COMP1INSEL_0) /*!< Comparator input minus connected to VrefInt */ +#define LL_COMP_INPUT_MINUS_DAC1_CH1 (COMP_CSR_COMP1INSEL_2 ) /*!< Comparator input minus connected to DAC1 channel 1 (DAC_OUT1) */ +#define LL_COMP_INPUT_MINUS_DAC1_CH2 (COMP_CSR_COMP1INSEL_2 | COMP_CSR_COMP1INSEL_0) /*!< Comparator input minus connected to DAC1 channel 2 (DAC_OUT2) */ +#define LL_COMP_INPUT_MINUS_IO1 (COMP_CSR_COMP1INSEL_2 | COMP_CSR_COMP1INSEL_1 ) /*!< Comparator input minus connected to IO1 (pin PA0 for COMP1, pin PA2 for COMP2) */ +/** + * @} + */ + +/** @defgroup COMP_LL_EC_INPUT_HYSTERESIS Comparator input - Hysteresis + * @{ + */ +#define LL_COMP_HYSTERESIS_NONE ((uint32_t)0x00000000U) /*!< No hysteresis */ +#define LL_COMP_HYSTERESIS_LOW ( COMP_CSR_COMP1HYST_0) /*!< Hysteresis level low */ +#define LL_COMP_HYSTERESIS_MEDIUM (COMP_CSR_COMP1HYST_1 ) /*!< Hysteresis level medium */ +#define LL_COMP_HYSTERESIS_HIGH (COMP_CSR_COMP1HYST_1 | COMP_CSR_COMP1HYST_0) /*!< Hysteresis level high */ +/** + * @} + */ + +/** @defgroup COMP_LL_EC_OUTPUT_SELECTION Comparator output - Output selection + * @{ + */ +/* Note: Output redirection is common for COMP1 and COMP2 */ +#define LL_COMP_OUTPUT_NONE ((uint32_t)0x00000000U) /*!< COMP output is not connected to other peripherals (except GPIO and EXTI that are always connected to COMP output) */ +#define LL_COMP_OUTPUT_TIM1_BKIN (COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM1 break input (BKIN) */ +#define LL_COMP_OUTPUT_TIM1_IC1 (COMP_CSR_COMP1OUTSEL_1) /*!< COMP output connected to TIM1 input capture 1 */ +#define LL_COMP_OUTPUT_TIM1_OCCLR (COMP_CSR_COMP1OUTSEL_1 | COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM1 OCREF clear */ +#define LL_COMP_OUTPUT_TIM2_IC4 (COMP_CSR_COMP1OUTSEL_2) /*!< COMP output connected to TIM2 input capture 4 */ +#define LL_COMP_OUTPUT_TIM2_OCCLR (COMP_CSR_COMP1OUTSEL_2 | COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM2 OCREF clear */ +#define LL_COMP_OUTPUT_TIM3_IC1 (COMP_CSR_COMP1OUTSEL_2 | COMP_CSR_COMP1OUTSEL_1) /*!< COMP output connected to TIM3 input capture 1 */ +#define LL_COMP_OUTPUT_TIM3_OCCLR (COMP_CSR_COMP1OUTSEL_2 | COMP_CSR_COMP1OUTSEL_1 | COMP_CSR_COMP1OUTSEL_0) /*!< COMP output connected to TIM3 OCREF clear */ +/** + * @} + */ + +/** @defgroup COMP_LL_EC_OUTPUT_POLARITY Comparator output - Output polarity + * @{ + */ +#define LL_COMP_OUTPUTPOL_NONINVERTED ((uint32_t)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_COMP1POL) /*!< 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 ((uint32_t)0x00000000U) /*!< Comparator output level low (if the polarity is not inverted, otherwise to be complemented) */ +#define LL_COMP_OUTPUT_LEVEL_HIGH ((uint32_t)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 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 ((uint32_t) 60U) /*!< Delay for COMP startup time */ + +/* Delay for comparator voltage scaler stabilization time */ +/* (voltage from VrefInt, delay based on VrefInt startup time). */ +/* Literal set to maximum value (refer to device datasheet, */ +/* parameter "tS_SC"). */ +/* Unit: us */ +#define LL_COMP_DELAY_VOLTAGE_SCALER_STAB_US ((uint32_t) 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 + * (2 consecutive COMP instances odd and even COMP and COMP). + * @rmtoll CSR WNDWEN 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) +{ + MODIFY_REG(COMPxy_COMMON->CSR, COMP_CSR_WNDWEN, WindowMode); +} + +/** + * @brief Get window mode of a pair of comparators instances + * (2 consecutive COMP instances odd and even COMP and COMP). + * @rmtoll CSR WNDWEN 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->CSR, COMP_CSR_WNDWEN)); +} + +/** + * @} + */ + +/** @defgroup COMP_LL_EF_Configuration_comparator_modes Configuration of comparator modes + * @{ + */ + +/** + * @brief Set comparator instance operating mode to adjust power and speed. + * @rmtoll CSR COMP1MODE LL_COMP_SetPowerMode\n + * COMP2MODE 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_LOWPOWER + * @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER + * @retval None + */ +__STATIC_INLINE void LL_COMP_SetPowerMode(COMP_TypeDef *COMPx, uint32_t PowerMode) +{ + MODIFY_REG(COMP->CSR, + COMP_CSR_COMP1MODE << __COMP_BITOFFSET_INSTANCE(COMPx), + PowerMode << __COMP_BITOFFSET_INSTANCE(COMPx) ); +} + +/** + * @brief Get comparator instance operating mode to adjust power and speed. + * @rmtoll CSR COMP1MODE LL_COMP_GetPowerMode\n + * COMP2MODE 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_LOWPOWER + * @arg @ref LL_COMP_POWERMODE_ULTRALOWPOWER + */ +__STATIC_INLINE uint32_t LL_COMP_GetPowerMode(COMP_TypeDef *COMPx) +{ + return (uint32_t)(READ_BIT(COMP->CSR, + COMP_CSR_COMP1MODE << __COMP_BITOFFSET_INSTANCE(COMPx)) + >> __COMP_BITOFFSET_INSTANCE(COMPx) + ); +} + +/** + * @} + */ + +/** @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. + * @rmtoll CSR COMP1INSEL LL_COMP_ConfigInputs\n + * CSR COMP2INSEL LL_COMP_ConfigInputs\n + * CSR COMP1SW1 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 + * @param InputPlus This parameter can be one of the following values: + * @arg @ref LL_COMP_INPUT_PLUS_IO1 + * @arg @ref LL_COMP_INPUT_PLUS_DAC1_CH1 (1) + * + * (1) Parameter available only on COMP instance: COMP1. + * @retval None + */ +__STATIC_INLINE void LL_COMP_ConfigInputs(COMP_TypeDef *COMPx, uint32_t InputMinus, uint32_t InputPlus) +{ + /* Note: Connection switch is applicable only to COMP instance COMP1, */ + /* therefore if COMP2 is selected the equivalent bit is */ + /* kept unmodified. */ + MODIFY_REG(COMP->CSR, + (COMP_CSR_COMP1INSEL | (COMP_CSR_COMP1SW1 * __COMP_IS_INSTANCE_ODD(COMPx))) << __COMP_BITOFFSET_INSTANCE(COMPx), + (InputMinus | InputPlus) << __COMP_BITOFFSET_INSTANCE(COMPx) ); +} + +/** + * @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 COMP1INSEL LL_COMP_SetInputPlus\n + * CSR COMP2INSEL 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_DAC1_CH1 (1) + * + * (1) Parameter available only on COMP instance: COMP1. + * @retval None + */ +__STATIC_INLINE void LL_COMP_SetInputPlus(COMP_TypeDef *COMPx, uint32_t InputPlus) +{ + /* Note: Connection switch is applicable only to COMP instance COMP1, */ + /* therefore if COMP2 is selected the equivalent bit is */ + /* kept unmodified. */ + MODIFY_REG(COMP->CSR, + (COMP_CSR_COMP1SW1 * __COMP_IS_INSTANCE_ODD(COMPx)) << __COMP_BITOFFSET_INSTANCE(COMPx), + InputPlus << __COMP_BITOFFSET_INSTANCE(COMPx) ); +} + +/** + * @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 COMP1INSEL LL_COMP_GetInputPlus\n + * CSR COMP2INSEL 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_DAC1_CH1 (1) + * + * (1) Parameter available only on COMP instance: COMP1. + */ +__STATIC_INLINE uint32_t LL_COMP_GetInputPlus(COMP_TypeDef *COMPx) +{ + /* Note: Connection switch is applicable only to COMP instance COMP1, */ + /* therefore is COMP2 is selected the returned value will be null. */ + return (uint32_t)(READ_BIT(COMP->CSR, + COMP_CSR_COMP1SW1 << __COMP_BITOFFSET_INSTANCE(COMPx)) + >> __COMP_BITOFFSET_INSTANCE(COMPx) + ); +} + +/** + * @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. + * @rmtoll CSR COMP1SW1 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 + * @retval None + */ +__STATIC_INLINE void LL_COMP_SetInputMinus(COMP_TypeDef *COMPx, uint32_t InputMinus) +{ + MODIFY_REG(COMP->CSR, + COMP_CSR_COMP1INSEL << __COMP_BITOFFSET_INSTANCE(COMPx), + InputMinus << __COMP_BITOFFSET_INSTANCE(COMPx) ); +} + +/** + * @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 COMP1SW1 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 + */ +__STATIC_INLINE uint32_t LL_COMP_GetInputMinus(COMP_TypeDef *COMPx) +{ + return (uint32_t)(READ_BIT(COMP->CSR, + COMP_CSR_COMP1INSEL << __COMP_BITOFFSET_INSTANCE(COMPx)) + >> __COMP_BITOFFSET_INSTANCE(COMPx) + ); +} + +/** + * @brief Set comparator instance hysteresis mode of the input minus (inverting input). + * @rmtoll CSR COMP1HYST LL_COMP_SetInputHysteresis\n + * COMP2HYST 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(COMP->CSR, + COMP_CSR_COMP1HYST << __COMP_BITOFFSET_INSTANCE(COMPx), + InputHysteresis << __COMP_BITOFFSET_INSTANCE(COMPx) ); +} + +/** + * @brief Get comparator instance hysteresis mode of the minus (inverting) input. + * @rmtoll CSR COMP1HYST LL_COMP_GetInputHysteresis\n + * COMP2HYST 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(COMP->CSR, + COMP_CSR_COMP1HYST << __COMP_BITOFFSET_INSTANCE(COMPx)) + >> __COMP_BITOFFSET_INSTANCE(COMPx) + ); + +} + +/** + * @} + */ + +/** @defgroup COMP_LL_EF_Configuration_comparator_output Configuration of comparator output + * @{ + */ + +/** + * @brief Set comparator output selection. + * @note Availability of parameters of output selection to timer + * depends on timers availability on the selected device. + * @rmtoll CSR COMP1OUTSEL LL_COMP_SetOutputSelection\n + * COMP2OUTSEL LL_COMP_SetOutputSelection + * @param COMPx Comparator instance + * @param OutputSelection This parameter can be one of the following values: + * @arg @ref LL_COMP_OUTPUT_NONE + * @arg @ref LL_COMP_OUTPUT_TIM1_BKIN (1) + * @arg @ref LL_COMP_OUTPUT_TIM1_IC1 (1) + * @arg @ref LL_COMP_OUTPUT_TIM1_OCCLR (1) + * @arg @ref LL_COMP_OUTPUT_TIM2_IC4 (1) + * @arg @ref LL_COMP_OUTPUT_TIM2_OCCLR (1) + * @arg @ref LL_COMP_OUTPUT_TIM3_IC1 (1) + * @arg @ref LL_COMP_OUTPUT_TIM3_OCCLR (1) + * + * (1) Parameter availability depending on timer availability + * on the selected device. + * @retval None + */ +__STATIC_INLINE void LL_COMP_SetOutputSelection(COMP_TypeDef *COMPx, uint32_t OutputSelection) +{ + MODIFY_REG(COMP->CSR, + COMP_CSR_COMP1OUTSEL << __COMP_BITOFFSET_INSTANCE(COMPx), + OutputSelection << __COMP_BITOFFSET_INSTANCE(COMPx) ); +} + +/** + * @brief Get comparator output selection. + * @note Availability of parameters of output selection to timer + * depends on timers availability on the selected device. + * @rmtoll CSR COMP1OUTSEL LL_COMP_GetOutputSelection\n + * COMP2OUTSEL LL_COMP_GetOutputSelection + * @param COMPx Comparator instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_COMP_OUTPUT_NONE + * @arg @ref LL_COMP_OUTPUT_TIM1_BKIN (1) + * @arg @ref LL_COMP_OUTPUT_TIM1_IC1 (1) + * @arg @ref LL_COMP_OUTPUT_TIM1_OCCLR (1) + * @arg @ref LL_COMP_OUTPUT_TIM2_IC4 (1) + * @arg @ref LL_COMP_OUTPUT_TIM2_OCCLR (1) + * @arg @ref LL_COMP_OUTPUT_TIM3_IC1 (1) + * @arg @ref LL_COMP_OUTPUT_TIM3_OCCLR (1) + * + * (1) Parameter availability depending on timer availability + * on the selected device. + */ +__STATIC_INLINE uint32_t LL_COMP_GetOutputSelection(COMP_TypeDef *COMPx) +{ + return (uint32_t)(READ_BIT(COMP->CSR, + COMP_CSR_COMP1OUTSEL << __COMP_BITOFFSET_INSTANCE(COMPx)) + >> __COMP_BITOFFSET_INSTANCE(COMPx) + ); +} + +/** + * @brief Set comparator instance output polarity. + * @rmtoll CSR COMP1POL LL_COMP_SetOutputPolarity\n + * COMP2POL 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(COMP->CSR, + COMP_CSR_COMP1POL << __COMP_BITOFFSET_INSTANCE(COMPx), + OutputPolarity << __COMP_BITOFFSET_INSTANCE(COMPx) ); +} + +/** + * @brief Get comparator instance output polarity. + * @rmtoll CSR COMP1POL LL_COMP_GetOutputPolarity\n + * COMP2POL 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(COMP->CSR, + COMP_CSR_COMP1POL << __COMP_BITOFFSET_INSTANCE(COMPx)) + >> __COMP_BITOFFSET_INSTANCE(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 COMP1EN LL_COMP_Enable\n + * CSR COMP2EN LL_COMP_Enable + * @param COMPx Comparator instance + * @retval None + */ +__STATIC_INLINE void LL_COMP_Enable(COMP_TypeDef *COMPx) +{ + SET_BIT(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)); +} + +/** + * @brief Disable comparator instance. + * @rmtoll CSR COMP1EN LL_COMP_Disable\n + * CSR COMP2EN LL_COMP_Disable + * @param COMPx Comparator instance + * @retval None + */ +__STATIC_INLINE void LL_COMP_Disable(COMP_TypeDef *COMPx) +{ + CLEAR_BIT(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)); +} + +/** + * @brief Get comparator enable state + * (0: COMP is disabled, 1: COMP is enabled) + * @rmtoll CSR COMP1EN LL_COMP_IsEnabled\n + * CSR COMP2EN 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(COMP->CSR, COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)) == COMP_CSR_COMP1EN << __COMP_BITOFFSET_INSTANCE(COMPx)); +} + +/** + * @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 COMP1LOCK LL_COMP_Lock\n + * CSR COMP2LOCK LL_COMP_Lock + * @param COMPx Comparator instance + * @retval None + */ +__STATIC_INLINE void LL_COMP_Lock(COMP_TypeDef *COMPx) +{ + SET_BIT(COMP->CSR, COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx)); +} + +/** + * @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 COMP1LOCK LL_COMP_IsLocked\n + * CSR COMP2LOCK 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(COMP->CSR, COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx)) == COMP_CSR_COMP1LOCK << __COMP_BITOFFSET_INSTANCE(COMPx)); +} + +/** + * @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 COMP1OUT LL_COMP_ReadOutputLevel\n + * CSR COMP2OUT 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(COMP->CSR, + COMP_CSR_COMP1OUT << __COMP_BITOFFSET_INSTANCE(COMPx)) + >> (__COMP_BITOFFSET_INSTANCE(COMPx) + 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, 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 /* __STM32F0xx_LL_COMP_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit