1035 lines
64 KiB
C
1035 lines
64 KiB
C
/**
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******************************************************************************
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* @file stm32f3xx_ll_comp.c
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* @author MCD Application Team
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* @brief COMP LL module driver
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#if defined(USE_FULL_LL_DRIVER)
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f3xx_ll_comp.h"
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#ifdef USE_FULL_ASSERT
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#include "stm32_assert.h"
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#else
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#define assert_param(expr) ((void)0U)
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#endif
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/** @addtogroup STM32F3xx_LL_Driver
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* @{
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*/
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/* Note: Devices of STM32F3 series embed 1 out of 2 different comparator IP. */
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/* - STM32F30x, STM32F31x, STM32F32x, STM32F33x, STM32F35x, STM32F39x: */
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/* COMP IP from 3 to 7 instances and other specific features */
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/* (comparator output blanking, ...) (refer to reference manual). */
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/* - STM32F37x: */
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/* COMP IP with 2 instances */
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/* This file contains the drivers of these COMP IP, located in 2 area */
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/* delimited by compilation switches. */
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#if defined(COMP_V1_3_0_0)
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#if defined (COMP1) || defined (COMP2) || defined (COMP3) || defined (COMP4) || defined (COMP5) || defined (COMP6) || defined (COMP7)
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/** @addtogroup COMP_LL COMP
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* @{
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*/
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/* Private types -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private constants ---------------------------------------------------------*/
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/* Private macros ------------------------------------------------------------*/
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/** @addtogroup COMP_LL_Private_Macros
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* @{
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*/
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/* Check of parameters for configuration of COMP hierarchical scope: */
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/* COMP instance. */
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#if defined(COMP_CSR_COMPxMODE)
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#define IS_LL_COMP_POWER_MODE(__POWER_MODE__) \
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( ((__POWER_MODE__) == LL_COMP_POWERMODE_HIGHSPEED) \
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|| ((__POWER_MODE__) == LL_COMP_POWERMODE_MEDIUMSPEED) \
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|| ((__POWER_MODE__) == LL_COMP_POWERMODE_LOWPOWER) \
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|| ((__POWER_MODE__) == LL_COMP_POWERMODE_ULTRALOWPOWER) \
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)
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#else
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#define IS_LL_COMP_POWER_MODE(__POWER_MODE__) \
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((__POWER_MODE__) == LL_COMP_POWERMODE_HIGHSPEED)
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#endif
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/* Note: On this STM32 series, comparator input plus parameters are */
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/* the same on all COMP instances. */
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/* However, comparator instance kept as macro parameter for */
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/* compatibility with other STM32 families. */
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#if defined(COMP_CSR_COMPxNONINSEL) && defined(LL_COMP_INPUT_PLUS_DAC1_CH1_COMP1)
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/* Note: On devices where bit COMP_CSR_COMPxNONINSEL is available, */
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/* feature LL_COMP_INPUT_PLUS_DAC1_CH1_COMP1 is also available. */
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#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
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( ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
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|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2) \
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|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_DAC1_CH1_COMP1) \
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)
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#elif defined(COMP_CSR_COMPxNONINSEL) && defined(LL_COMP_INPUT_PLUS_DAC1_CH1_COMP2)
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/* Note: On devices where bit COMP_CSR_COMPxNONINSEL is available, */
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/* feature LL_COMP_INPUT_PLUS_DAC1_CH1_COMP1 is also available. */
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#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
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( ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
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|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2) \
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|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_DAC1_CH1_COMP2) \
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)
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#elif defined(COMP_CSR_COMPxNONINSEL)
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#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
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( ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
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|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2) \
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)
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#elif defined(LL_COMP_INPUT_PLUS_DAC1_CH1_COMP2)
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/* Note: On devices where bit COMP_CSR_COMPxNONINSEL is available, */
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/* feature LL_COMP_INPUT_PLUS_DAC1_CH1_COMP1 is also available. */
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#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
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( ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
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|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_DAC1_CH1_COMP2) \
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)
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#else
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/* Note: Device without comparator input plus configurable: corresponds to */
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/* setting "LL_COMP_INPUT_PLUS_IO1" or "LL_COMP_INPUT_PLUS_IO2" */
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/* compared to other STM32F3 devices, depending on comparator instance */
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/* (refer to reference manual). */
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#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
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((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1)
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#endif
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#if defined(STM32F303xC) || defined(STM32F358xx) || defined(STM32F303xE) || defined(STM32F398xx)
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#define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) \
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( ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO3) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO4) \
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)
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#elif defined(STM32F303x8) || defined(STM32F328xx) || defined(STM32F334x8)
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#define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) \
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( ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO4) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC2_CH1) \
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)
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#elif defined(STM32F302xC) || defined(STM32F302xE)
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#define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) \
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( ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO3) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO4) \
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)
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#else /* STM32F301x8 || STM32F318xx || STM32F302x8 */
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#define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) \
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( ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2) \
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|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO4) \
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)
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#endif
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#if defined(COMP_CSR_COMPxHYST)
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#define IS_LL_COMP_INPUT_HYSTERESIS(__INPUT_HYSTERESIS__) \
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( ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_NONE) \
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|| ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_LOW) \
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|| ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_MEDIUM) \
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|| ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_HIGH) \
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)
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#else
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#define IS_LL_COMP_INPUT_HYSTERESIS(__INPUT_HYSTERESIS__) \
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((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_NONE)
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#endif
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#if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
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#define IS_LL_COMP_OUTPUT_SELECTION(__COMP_INSTANCE__, __OUTPUT_SELECTION__) \
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(( ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_NONE) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_BKIN) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_BKIN2) \
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) \
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? ( \
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(1U) \
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) \
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: \
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(((__COMP_INSTANCE__) == COMP2) \
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? ( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_IC1_COMP2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC4_COMP2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP2) \
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) \
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: \
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(((__COMP_INSTANCE__) == COMP4) \
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? ( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_IC2_COMP4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_OCCLR_COMP4) \
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) \
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: \
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( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC2_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_IC1_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_OCCLR_COMP6) \
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) \
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) \
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) \
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)
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#elif defined(STM32F303x8) || defined(STM32F328xx) || defined(STM32F334x8)
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#define IS_LL_COMP_OUTPUT_SELECTION(__COMP_INSTANCE__, __OUTPUT_SELECTION__) \
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(( ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_NONE) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_BKIN) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_BKIN2) \
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) \
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? ( \
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(1U) \
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) \
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: \
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(((__COMP_INSTANCE__) == COMP2) \
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? ( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP2_4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_IC1_COMP2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC4_COMP2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC1_COMP2) \
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) \
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: \
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(((__COMP_INSTANCE__) == COMP4) \
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? ( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP2_4)\
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC3_COMP4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_IC2_COMP4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_OCCLR_COMP4) \
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) \
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: \
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( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC2_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_IC1_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_OCCLR_COMP6) \
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) \
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) \
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) \
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)
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#elif defined(STM32F302xC) || defined(STM32F302xE)
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#define IS_LL_COMP_OUTPUT_SELECTION(__COMP_INSTANCE__, __OUTPUT_SELECTION__) \
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(( ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_NONE) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_BKIN) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_BKIN2) \
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) \
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? ( \
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(1U) \
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) \
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: \
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((((__COMP_INSTANCE__) == COMP1) || ((__COMP_INSTANCE__) == COMP2)) \
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? ( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_IC1_COMP1_2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC4_COMP1_2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP1_2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP1_2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC1_COMP1_2) \
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) \
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: \
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(((__COMP_INSTANCE__) == COMP4) \
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? ( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC3_COMP4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_IC2_COMP4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_IC2_COMP4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_OCCLR_COMP4) \
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) \
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: \
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( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC2_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_IC4_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_IC1_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_OCCLR_COMP6) \
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) \
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) \
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) \
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)
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#elif defined(STM32F303xC) || defined(STM32F358xx)
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#define IS_LL_COMP_OUTPUT_SELECTION(__COMP_INSTANCE__, __OUTPUT_SELECTION__) \
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(( ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_NONE) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_BKIN) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_BKIN2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_TIM8_BKIN2) \
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) \
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? ( \
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(1U) \
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) \
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: \
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((((__COMP_INSTANCE__) == COMP1) || ((__COMP_INSTANCE__) == COMP2)) \
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? ( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP1_2_3_7) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP1_2_3) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4_5) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_IC1_COMP1_2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC4_COMP1_2) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC1_COMP1_2) \
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) \
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: \
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(((__COMP_INSTANCE__) == COMP3) \
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? ( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP1_2_3_7) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP1_2_3) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC2_COMP3) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_IC1_COMP3) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_IC1_COMP3) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_BKIN) \
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) \
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: \
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(((__COMP_INSTANCE__) == COMP4) \
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? ( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4_5) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC3_COMP4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_IC2_COMP4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_IC2_COMP4) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_OCCLR_COMP4) \
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) \
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: \
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(((__COMP_INSTANCE__) == COMP5) \
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? ( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4_5) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM8_OCCLR_COMP4_5_6_7) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC1_COMP5) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_IC3_COMP5) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM17_IC1_COMP5) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_BKIN) \
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) \
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: \
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(((__COMP_INSTANCE__) == COMP6) \
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? ( \
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((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM8_OCCLR_COMP4_5_6_7) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC2_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_IC4_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_IC1_COMP6) \
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|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_OCCLR_COMP6) \
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) \
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: \
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( \
|
|
((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP1_2_3_7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM8_OCCLR_COMP4_5_6_7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_IC2_COMP7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC3_COMP7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM17_OCCLR_COMP7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM17_BKIN) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
)
|
|
#elif defined(STM32F303xE) || defined(STM32F398xx)
|
|
#define IS_LL_COMP_OUTPUT_SELECTION(__COMP_INSTANCE__, __OUTPUT_SELECTION__) \
|
|
(( ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_NONE) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_BKIN) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_BKIN2) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_TIM8_BKIN2) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM20_BKIN) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM20_BKIN2) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_TIM8_TIM20_BKIN2) \
|
|
) \
|
|
? ( \
|
|
(1U) \
|
|
) \
|
|
: \
|
|
((((__COMP_INSTANCE__) == COMP1) || ((__COMP_INSTANCE__) == COMP2)) \
|
|
? ( \
|
|
((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP1_2_3_7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP1_2_3) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4_5) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_IC1_COMP1_2) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC4_COMP1_2) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC1_COMP1_2) \
|
|
|| (((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM20_OCCLR_COMP2) \
|
|
&& ((__COMP_INSTANCE__) == COMP2) ) \
|
|
) \
|
|
: \
|
|
(((__COMP_INSTANCE__) == COMP3) \
|
|
? ( \
|
|
((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP1_2_3_7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP1_2_3) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC2_COMP3) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_IC1_COMP3) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_IC1_COMP3) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_BKIN) \
|
|
) \
|
|
: \
|
|
(((__COMP_INSTANCE__) == COMP4) \
|
|
? ( \
|
|
((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4_5) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC3_COMP4) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_IC2_COMP4) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_IC2_COMP4) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_OCCLR_COMP4) \
|
|
) \
|
|
: \
|
|
(((__COMP_INSTANCE__) == COMP5) \
|
|
? ( \
|
|
((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4_5) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM8_OCCLR_COMP4_5_6_7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC1_COMP5) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_IC3_COMP5) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM17_IC1_COMP5) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_BKIN) \
|
|
) \
|
|
: \
|
|
(((__COMP_INSTANCE__) == COMP6) \
|
|
? ( \
|
|
((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM8_OCCLR_COMP4_5_6_7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC2_COMP6) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP6) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_IC4_COMP6) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_IC1_COMP6) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_OCCLR_COMP6) \
|
|
) \
|
|
: \
|
|
( \
|
|
((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP1_2_3_7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM8_OCCLR_COMP4_5_6_7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_IC2_COMP7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC3_COMP7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM17_OCCLR_COMP7) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM17_BKIN) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
)
|
|
#endif
|
|
|
|
#define IS_LL_COMP_OUTPUT_POLARITY(__POLARITY__) \
|
|
( ((__POLARITY__) == LL_COMP_OUTPUTPOL_NONINVERTED) \
|
|
|| ((__POLARITY__) == LL_COMP_OUTPUTPOL_INVERTED) \
|
|
)
|
|
|
|
#if defined(COMP_CSR_COMPxBLANKING)
|
|
#if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx)
|
|
#define IS_LL_COMP_OUTPUT_BLANKING_SOURCE(__COMP_INSTANCE__, __OUTPUT_BLANKING_SOURCE__) \
|
|
(((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE) \
|
|
? ( \
|
|
(1U) \
|
|
) \
|
|
: \
|
|
(((__COMP_INSTANCE__) == COMP2) \
|
|
? ( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP2) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP2) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP2) \
|
|
) \
|
|
: \
|
|
(((__COMP_INSTANCE__) == COMP4) \
|
|
? ( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC4_COMP4) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1_COMP4) \
|
|
) \
|
|
: \
|
|
( \
|
|
(((__COMP_INSTANCE__) == COMP6) \
|
|
? ( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC4_COMP6) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC2_COMP6) \
|
|
) \
|
|
: \
|
|
( \
|
|
(0U) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
)
|
|
#elif defined(STM32F302xE) || defined(STM32F302xC)
|
|
#define IS_LL_COMP_OUTPUT_BLANKING_SOURCE(__COMP_INSTANCE__, __OUTPUT_BLANKING_SOURCE__) \
|
|
(((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE) \
|
|
? ( \
|
|
(1U) \
|
|
) \
|
|
: \
|
|
((((__COMP_INSTANCE__) == COMP1) || ((__COMP_INSTANCE__) == COMP2)) \
|
|
? ( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP1_2) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP1_2) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP1_2) \
|
|
) \
|
|
: \
|
|
(((__COMP_INSTANCE__) == COMP4) \
|
|
? ( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC4_COMP4) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1_COMP4) \
|
|
) \
|
|
: \
|
|
( \
|
|
(((__COMP_INSTANCE__) == COMP6) \
|
|
? ( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC4_COMP6) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC2_COMP6) \
|
|
) \
|
|
: \
|
|
( \
|
|
(0U) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
)
|
|
#elif defined(STM32F303xE) || defined(STM32F398xx) || defined(STM32F303xC) || defined(STM32F358xx)
|
|
#define IS_LL_COMP_OUTPUT_BLANKING_SOURCE(__COMP_INSTANCE__, __OUTPUT_BLANKING_SOURCE__) \
|
|
(((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE) \
|
|
? ( \
|
|
(1U) \
|
|
) \
|
|
: \
|
|
((((__COMP_INSTANCE__) == COMP1) || ((__COMP_INSTANCE__) == COMP2)) \
|
|
? ( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP1_2_7) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP1_2) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP1_2) \
|
|
) \
|
|
: \
|
|
(((__COMP_INSTANCE__) == COMP3) \
|
|
? ( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC4_COMP3_6) \
|
|
) \
|
|
: \
|
|
(((__COMP_INSTANCE__) == COMP4) \
|
|
? ( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP4_5_6_7) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC4_COMP4) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1_COMP4) \
|
|
) \
|
|
: \
|
|
(((__COMP_INSTANCE__) == COMP5) \
|
|
? ( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP4_5_6_7) \
|
|
) \
|
|
: \
|
|
(((__COMP_INSTANCE__) == COMP6) \
|
|
? ( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP4_5_6_7) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC4_COMP3_6) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC2_COMP6_7) \
|
|
) \
|
|
: \
|
|
( \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP4_5_6_7) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP1_2_7) \
|
|
|| ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC2_COMP6_7) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
) \
|
|
)
|
|
#endif
|
|
#else
|
|
#define IS_LL_COMP_OUTPUT_BLANKING_SOURCE(__COMP_INSTANCE__, __OUTPUT_BLANKING_SOURCE__) \
|
|
((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)
|
|
#endif
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/* Private function prototypes -----------------------------------------------*/
|
|
|
|
/* Exported functions --------------------------------------------------------*/
|
|
/** @addtogroup COMP_LL_Exported_Functions
|
|
* @{
|
|
*/
|
|
|
|
/** @addtogroup COMP_LL_EF_Init
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief De-initialize registers of the selected COMP instance
|
|
* to their default reset values.
|
|
* @note If comparator is locked, de-initialization by software is
|
|
* not possible.
|
|
* The only way to unlock the comparator is a device hardware reset.
|
|
* @param COMPx COMP instance
|
|
* @retval An ErrorStatus enumeration value:
|
|
* - SUCCESS: COMP registers are de-initialized
|
|
* - ERROR: COMP registers are not de-initialized
|
|
*/
|
|
ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx)
|
|
{
|
|
ErrorStatus status = SUCCESS;
|
|
|
|
/* Check the parameters */
|
|
assert_param(IS_COMP_ALL_INSTANCE(COMPx));
|
|
|
|
/* Note: Hardware constraint (refer to description of this function): */
|
|
/* COMP instance must not be locked. */
|
|
if (LL_COMP_IsLocked(COMPx) == 0U)
|
|
{
|
|
LL_COMP_WriteReg(COMPx, CSR, 0x00000000U);
|
|
}
|
|
else
|
|
{
|
|
/* Comparator instance is locked: de-initialization by software is */
|
|
/* not possible. */
|
|
/* The only way to unlock the comparator is a device hardware reset. */
|
|
status = ERROR;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Initialize some features of COMP instance.
|
|
* @note This function configures features of the selected COMP instance.
|
|
* Some features are also available at scope COMP common instance
|
|
* (common to several COMP instances).
|
|
* Refer to functions having argument "COMPxy_COMMON" as parameter.
|
|
* @param COMPx COMP instance
|
|
* @param COMP_InitStruct Pointer to a @ref LL_COMP_InitTypeDef structure
|
|
* @retval An ErrorStatus enumeration value:
|
|
* - SUCCESS: COMP registers are initialized
|
|
* - ERROR: COMP registers are not initialized
|
|
*/
|
|
ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, LL_COMP_InitTypeDef *COMP_InitStruct)
|
|
{
|
|
ErrorStatus status = SUCCESS;
|
|
|
|
/* Check the parameters */
|
|
assert_param(IS_COMP_ALL_INSTANCE(COMPx));
|
|
assert_param(IS_LL_COMP_POWER_MODE(COMP_InitStruct->PowerMode));
|
|
assert_param(IS_LL_COMP_INPUT_PLUS(COMPx, COMP_InitStruct->InputPlus));
|
|
assert_param(IS_LL_COMP_INPUT_MINUS(COMPx, COMP_InitStruct->InputMinus));
|
|
assert_param(IS_LL_COMP_INPUT_HYSTERESIS(COMP_InitStruct->InputHysteresis));
|
|
assert_param(IS_LL_COMP_OUTPUT_SELECTION(COMPx, COMP_InitStruct->OutputSelection));
|
|
assert_param(IS_LL_COMP_OUTPUT_POLARITY(COMP_InitStruct->OutputPolarity));
|
|
assert_param(IS_LL_COMP_OUTPUT_BLANKING_SOURCE(COMPx, COMP_InitStruct->OutputBlankingSource));
|
|
|
|
/* Note: Hardware constraint (refer to description of this function) */
|
|
/* COMP instance must not be locked. */
|
|
if (LL_COMP_IsLocked(COMPx) == 0U)
|
|
{
|
|
/* Configuration of comparator instance : */
|
|
/* - PowerMode */
|
|
/* - InputPlus */
|
|
/* - InputMinus */
|
|
/* - InputHysteresis */
|
|
/* - OutputSelection */
|
|
/* - OutputPolarity */
|
|
/* - OutputBlankingSource */
|
|
MODIFY_REG(COMPx->CSR,
|
|
((uint32_t)0x00000000U)
|
|
#if defined(COMP_CSR_COMPxMODE)
|
|
| COMP_CSR_COMPxMODE
|
|
#endif
|
|
#if defined(COMP_CSR_COMPxNONINSEL)
|
|
| COMP_CSR_COMPxNONINSEL
|
|
#endif
|
|
| COMP_CSR_COMPxINSEL
|
|
#if defined(COMP_CSR_COMPxHYST)
|
|
| COMP_CSR_COMPxHYST
|
|
#endif
|
|
| COMP_CSR_COMPxOUTSEL
|
|
| COMP_CSR_COMPxPOL
|
|
| COMP_CSR_COMPxBLANKING
|
|
,
|
|
((uint32_t)0x00000000U)
|
|
#if defined(COMP_CSR_COMPxMODE)
|
|
| COMP_InitStruct->PowerMode
|
|
#endif
|
|
#if defined(COMP_CSR_COMPxNONINSEL)
|
|
| COMP_InitStruct->InputPlus
|
|
#endif
|
|
| COMP_InitStruct->InputMinus
|
|
#if defined(COMP_CSR_COMPxHYST)
|
|
| COMP_InitStruct->InputHysteresis
|
|
#endif
|
|
| COMP_InitStruct->OutputSelection
|
|
| COMP_InitStruct->OutputPolarity
|
|
| COMP_InitStruct->OutputBlankingSource
|
|
);
|
|
|
|
}
|
|
else
|
|
{
|
|
/* Initialization error: COMP instance is locked. */
|
|
status = ERROR;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Set each @ref LL_COMP_InitTypeDef field to default value.
|
|
* @param COMP_InitStruct pointer to a @ref LL_COMP_InitTypeDef structure
|
|
* whose fields will be set to default values.
|
|
* @retval None
|
|
*/
|
|
void LL_COMP_StructInit(LL_COMP_InitTypeDef *COMP_InitStruct)
|
|
{
|
|
/* Set COMP_InitStruct fields to default values */
|
|
/* Note: Comparator power mode "high speed" is the only mode */
|
|
/* available on all STMF3 devices. */
|
|
COMP_InitStruct->PowerMode = LL_COMP_POWERMODE_HIGHSPEED;
|
|
COMP_InitStruct->InputPlus = LL_COMP_INPUT_PLUS_IO1;
|
|
COMP_InitStruct->InputMinus = LL_COMP_INPUT_MINUS_VREFINT;
|
|
COMP_InitStruct->InputHysteresis = LL_COMP_HYSTERESIS_NONE;
|
|
COMP_InitStruct->OutputSelection = LL_COMP_OUTPUT_NONE;
|
|
COMP_InitStruct->OutputPolarity = LL_COMP_OUTPUTPOL_NONINVERTED;
|
|
COMP_InitStruct->OutputBlankingSource = LL_COMP_BLANKINGSRC_NONE;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* COMP1 || COMP2 || COMP3 || COMP4 || COMP5 || COMP6 || COMP7 */
|
|
|
|
|
|
#endif /* STM32F301x8 || STM32F302x8 || STM32F302xC || STM32F302xE || STM32F303x8 || STM32F303xC || STM32F303xE || STM32F318xx || STM32F328xx || STM32F334x8 || STM32F358xx || STM32F398xx */
|
|
|
|
#if defined (COMP_V1_1_0_0)
|
|
|
|
#if defined (COMP1) || defined (COMP2)
|
|
|
|
/** @addtogroup COMP_LL COMP
|
|
* @{
|
|
*/
|
|
|
|
/* Private types -------------------------------------------------------------*/
|
|
/* Private variables ---------------------------------------------------------*/
|
|
/* Private constants ---------------------------------------------------------*/
|
|
/* Private macros ------------------------------------------------------------*/
|
|
|
|
/** @addtogroup COMP_LL_Private_Macros
|
|
* @{
|
|
*/
|
|
|
|
/* Check of parameters for configuration of COMP hierarchical scope: */
|
|
/* COMP instance. */
|
|
|
|
#define IS_LL_COMP_POWER_MODE(__POWER_MODE__) \
|
|
( ((__POWER_MODE__) == LL_COMP_POWERMODE_HIGHSPEED) \
|
|
|| ((__POWER_MODE__) == LL_COMP_POWERMODE_MEDIUMSPEED) \
|
|
|| ((__POWER_MODE__) == LL_COMP_POWERMODE_LOWPOWER) \
|
|
|| ((__POWER_MODE__) == LL_COMP_POWERMODE_ULTRALOWPOWER) \
|
|
)
|
|
|
|
/* Note: On this STM32 series, comparator input plus parameters are */
|
|
/* the different depending on COMP instances. */
|
|
#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
|
|
(((__COMP_INSTANCE__) == COMP1) \
|
|
? ( \
|
|
((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
|
|
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_DAC1_CH1) \
|
|
) \
|
|
: \
|
|
( \
|
|
((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
|
|
) \
|
|
)
|
|
|
|
/* Note: On this STM32 series, comparator input minus parameters are */
|
|
/* the same on all COMP instances. */
|
|
/* However, comparator instance kept as macro parameter for */
|
|
/* compatibility with other STM32 families. */
|
|
#define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) \
|
|
( ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT) \
|
|
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT) \
|
|
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT) \
|
|
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT) \
|
|
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1) \
|
|
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2) \
|
|
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1) \
|
|
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2) \
|
|
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO3) \
|
|
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO4) \
|
|
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC2_CH1) \
|
|
)
|
|
|
|
#define IS_LL_COMP_INPUT_HYSTERESIS(__INPUT_HYSTERESIS__) \
|
|
( ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_NONE) \
|
|
|| ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_LOW) \
|
|
|| ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_MEDIUM) \
|
|
|| ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_HIGH) \
|
|
)
|
|
|
|
/* Note: Output redirection is specific to COMP instances but is checked */
|
|
/* with literals of instance COMP2 (no differentiation possible since */
|
|
/* literals of COMP1 and COMP2 share the same values range). */
|
|
#define IS_LL_COMP_OUTPUT_SELECTION(__OUTPUT_SELECTION__) \
|
|
( ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_NONE) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_BKIN) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_IC1) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM4_OCCLR) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC4) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC1_COMP2) \
|
|
|| ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP2) \
|
|
)
|
|
|
|
#define IS_LL_COMP_OUTPUT_POLARITY(__POLARITY__) \
|
|
( ((__POLARITY__) == LL_COMP_OUTPUTPOL_NONINVERTED) \
|
|
|| ((__POLARITY__) == LL_COMP_OUTPUTPOL_INVERTED) \
|
|
)
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/* Private function prototypes -----------------------------------------------*/
|
|
|
|
/* Exported functions --------------------------------------------------------*/
|
|
/** @addtogroup COMP_LL_Exported_Functions
|
|
* @{
|
|
*/
|
|
|
|
/** @addtogroup COMP_LL_EF_Init
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief De-initialize registers of the selected COMP instance
|
|
* to their default reset values.
|
|
* @note If comparator is locked, de-initialization by software is
|
|
* not possible.
|
|
* The only way to unlock the comparator is a device hardware reset.
|
|
* @param COMPx COMP instance
|
|
* @retval An ErrorStatus enumeration value:
|
|
* - SUCCESS: COMP registers are de-initialized
|
|
* - ERROR: COMP registers are not de-initialized
|
|
*/
|
|
ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx)
|
|
{
|
|
ErrorStatus status = SUCCESS;
|
|
|
|
/* Check the parameters */
|
|
assert_param(IS_COMP_ALL_INSTANCE(COMPx));
|
|
|
|
/* Note: Hardware constraint (refer to description of this function): */
|
|
/* COMP instance must not be locked. */
|
|
if (LL_COMP_IsLocked(COMPx) == 0U)
|
|
{
|
|
/* Note: Connection switch is applicable only to COMP instance COMP1, */
|
|
/* therefore is COMP2 is selected the equivalent bit is */
|
|
/* kept unmodified. */
|
|
if (COMPx == COMP1)
|
|
{
|
|
CLEAR_BIT(COMP->CSR,
|
|
( COMP_CSR_COMP1MODE
|
|
| COMP_CSR_COMP1INSEL
|
|
| COMP_CSR_COMP1SW1
|
|
| COMP_CSR_COMP1OUTSEL
|
|
| COMP_CSR_COMP1HYST
|
|
| COMP_CSR_COMP1POL
|
|
| COMP_CSR_COMP1EN
|
|
) << __COMP_BITOFFSET_INSTANCE(COMPx)
|
|
);
|
|
}
|
|
else
|
|
{
|
|
CLEAR_BIT(COMP->CSR,
|
|
( COMP_CSR_COMP1MODE
|
|
| COMP_CSR_COMP1INSEL
|
|
| COMP_CSR_COMP1OUTSEL
|
|
| COMP_CSR_COMP1HYST
|
|
| COMP_CSR_COMP1POL
|
|
| COMP_CSR_COMP1EN
|
|
) << __COMP_BITOFFSET_INSTANCE(COMPx)
|
|
);
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
/* Comparator instance is locked: de-initialization by software is */
|
|
/* not possible. */
|
|
/* The only way to unlock the comparator is a device hardware reset. */
|
|
status = ERROR;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Initialize some features of COMP instance.
|
|
* @note This function configures features of the selected COMP instance.
|
|
* Some features are also available at scope COMP common instance
|
|
* (common to several COMP instances).
|
|
* Refer to functions having argument "COMPxy_COMMON" as parameter.
|
|
* @param COMPx COMP instance
|
|
* @param COMP_InitStruct Pointer to a @ref LL_COMP_InitTypeDef structure
|
|
* @retval An ErrorStatus enumeration value:
|
|
* - SUCCESS: COMP registers are initialized
|
|
* - ERROR: COMP registers are not initialized
|
|
*/
|
|
ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, LL_COMP_InitTypeDef *COMP_InitStruct)
|
|
{
|
|
ErrorStatus status = SUCCESS;
|
|
|
|
/* Check the parameters */
|
|
assert_param(IS_COMP_ALL_INSTANCE(COMPx));
|
|
assert_param(IS_LL_COMP_POWER_MODE(COMP_InitStruct->PowerMode));
|
|
assert_param(IS_LL_COMP_INPUT_PLUS(COMPx, COMP_InitStruct->InputPlus));
|
|
assert_param(IS_LL_COMP_INPUT_MINUS(COMPx, COMP_InitStruct->InputMinus));
|
|
assert_param(IS_LL_COMP_INPUT_HYSTERESIS(COMP_InitStruct->InputHysteresis));
|
|
assert_param(IS_LL_COMP_OUTPUT_SELECTION(COMP_InitStruct->OutputSelection));
|
|
assert_param(IS_LL_COMP_OUTPUT_POLARITY(COMP_InitStruct->OutputPolarity));
|
|
|
|
/* Note: Hardware constraint (refer to description of this function) */
|
|
/* COMP instance must not be locked. */
|
|
if (LL_COMP_IsLocked(COMPx) == 0U)
|
|
{
|
|
/* Configuration of comparator instance : */
|
|
/* - PowerMode */
|
|
/* - InputPlus */
|
|
/* - InputMinus */
|
|
/* - InputHysteresis */
|
|
/* - OutputSelection */
|
|
/* - OutputPolarity */
|
|
/* Note: Connection switch is applicable only to COMP instance COMP1, */
|
|
/* therefore is COMP2 is selected the equivalent bit is */
|
|
/* kept unmodified. */
|
|
if (COMPx == COMP1)
|
|
{
|
|
MODIFY_REG(COMP->CSR,
|
|
( COMP_CSR_COMP1MODE
|
|
| COMP_CSR_COMP1INSEL
|
|
| COMP_CSR_COMP1SW1
|
|
| COMP_CSR_COMP1OUTSEL
|
|
| COMP_CSR_COMP1HYST
|
|
| COMP_CSR_COMP1POL
|
|
) << __COMP_BITOFFSET_INSTANCE(COMPx)
|
|
,
|
|
( COMP_InitStruct->PowerMode
|
|
| COMP_InitStruct->InputPlus
|
|
| COMP_InitStruct->InputMinus
|
|
| COMP_InitStruct->InputHysteresis
|
|
| COMP_InitStruct->OutputSelection
|
|
| COMP_InitStruct->OutputPolarity
|
|
) << __COMP_BITOFFSET_INSTANCE(COMPx)
|
|
);
|
|
}
|
|
else
|
|
{
|
|
MODIFY_REG(COMP->CSR,
|
|
( COMP_CSR_COMP1MODE
|
|
| COMP_CSR_COMP1INSEL
|
|
| COMP_CSR_COMP1OUTSEL
|
|
| COMP_CSR_COMP1HYST
|
|
| COMP_CSR_COMP1POL
|
|
) << __COMP_BITOFFSET_INSTANCE(COMPx)
|
|
,
|
|
( COMP_InitStruct->PowerMode
|
|
| COMP_InitStruct->InputPlus
|
|
| COMP_InitStruct->InputMinus
|
|
| COMP_InitStruct->InputHysteresis
|
|
| COMP_InitStruct->OutputSelection
|
|
| COMP_InitStruct->OutputPolarity
|
|
) << __COMP_BITOFFSET_INSTANCE(COMPx)
|
|
);
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
/* Initialization error: COMP instance is locked. */
|
|
status = ERROR;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Set each @ref LL_COMP_InitTypeDef field to default value.
|
|
* @param COMP_InitStruct pointer to a @ref LL_COMP_InitTypeDef structure
|
|
* whose fields will be set to default values.
|
|
* @retval None
|
|
*/
|
|
void LL_COMP_StructInit(LL_COMP_InitTypeDef *COMP_InitStruct)
|
|
{
|
|
/* Set COMP_InitStruct fields to default values */
|
|
COMP_InitStruct->PowerMode = LL_COMP_POWERMODE_ULTRALOWPOWER;
|
|
COMP_InitStruct->InputPlus = LL_COMP_INPUT_PLUS_IO1;
|
|
COMP_InitStruct->InputMinus = LL_COMP_INPUT_MINUS_VREFINT;
|
|
COMP_InitStruct->InputHysteresis = LL_COMP_HYSTERESIS_NONE;
|
|
COMP_InitStruct->OutputSelection = LL_COMP_OUTPUT_NONE;
|
|
COMP_InitStruct->OutputPolarity = LL_COMP_OUTPUTPOL_NONINVERTED;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* COMP1 || COMP2 */
|
|
|
|
|
|
#endif /* STM32F373xC || STM32F378xx */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* USE_FULL_LL_DRIVER */
|
|
|
|
|