/** ****************************************************************************** * @file stm32f3xx_ll_comp.c * @author MCD Application Team * @brief COMP LL module driver ****************************************************************************** * @attention * * Copyright (c) 2016 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ #if defined(USE_FULL_LL_DRIVER) /* Includes ------------------------------------------------------------------*/ #include "stm32f3xx_ll_comp.h" #ifdef USE_FULL_ASSERT #include "stm32_assert.h" #else #define assert_param(expr) ((void)0U) #endif /** @addtogroup STM32F3xx_LL_Driver * @{ */ /* Note: Devices of STM32F3 series embed 1 out of 2 different comparator IP. */ /* - STM32F30x, STM32F31x, STM32F32x, STM32F33x, STM32F35x, STM32F39x: */ /* COMP IP from 3 to 7 instances and other specific features */ /* (comparator output blanking, ...) (refer to reference manual). */ /* - STM32F37x: */ /* COMP IP with 2 instances */ /* This file contains the drivers of these COMP IP, located in 2 area */ /* delimited by compilation switches. */ #if defined(COMP_V1_3_0_0) #if defined (COMP1) || defined (COMP2) || defined (COMP3) || defined (COMP4) || defined (COMP5) || defined (COMP6) || defined (COMP7) /** @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. */ #if defined(COMP_CSR_COMPxMODE) #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) \ ) #else #define IS_LL_COMP_POWER_MODE(__POWER_MODE__) \ ((__POWER_MODE__) == LL_COMP_POWERMODE_HIGHSPEED) #endif /* Note: On this STM32 series, comparator input plus parameters are */ /* the same on all COMP instances. */ /* However, comparator instance kept as macro parameter for */ /* compatibility with other STM32 families. */ #if defined(COMP_CSR_COMPxNONINSEL) && defined(LL_COMP_INPUT_PLUS_DAC1_CH1_COMP1) /* Note: On devices where bit COMP_CSR_COMPxNONINSEL is available, */ /* feature LL_COMP_INPUT_PLUS_DAC1_CH1_COMP1 is also available. */ #define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \ ( ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \ || ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2) \ || ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_DAC1_CH1_COMP1) \ ) #elif defined(COMP_CSR_COMPxNONINSEL) && defined(LL_COMP_INPUT_PLUS_DAC1_CH1_COMP2) /* Note: On devices where bit COMP_CSR_COMPxNONINSEL is available, */ /* feature LL_COMP_INPUT_PLUS_DAC1_CH1_COMP1 is also available. */ #define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \ ( ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \ || ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2) \ || ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_DAC1_CH1_COMP2) \ ) #elif defined(COMP_CSR_COMPxNONINSEL) #define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \ ( ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \ || ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2) \ ) #elif defined(LL_COMP_INPUT_PLUS_DAC1_CH1_COMP2) /* Note: On devices where bit COMP_CSR_COMPxNONINSEL is available, */ /* feature LL_COMP_INPUT_PLUS_DAC1_CH1_COMP1 is also available. */ #define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \ ( ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \ || ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_DAC1_CH1_COMP2) \ ) #else /* Note: Device without comparator input plus configurable: corresponds to */ /* setting "LL_COMP_INPUT_PLUS_IO1" or "LL_COMP_INPUT_PLUS_IO2" */ /* compared to other STM32F3 devices, depending on comparator instance */ /* (refer to reference manual). */ #define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \ ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) #endif #if defined(STM32F303xC) || defined(STM32F358xx) || defined(STM32F303xE) || defined(STM32F398xx) #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) \ ) #elif defined(STM32F303x8) || defined(STM32F328xx) || defined(STM32F334x8) #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_IO4) \ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC2_CH1) \ ) #elif defined(STM32F302xC) || defined(STM32F302xE) #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_IO1) \ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2) \ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO3) \ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO4) \ ) #else /* STM32F301x8 || STM32F318xx || STM32F302x8 */ #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_IO1) \ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2) \ || ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO4) \ ) #endif #if defined(COMP_CSR_COMPxHYST) #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) \ ) #else #define IS_LL_COMP_INPUT_HYSTERESIS(__INPUT_HYSTERESIS__) \ ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_NONE) #endif #if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) #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) \ ) \ ? ( \ (1U) \ ) \ : \ (((__COMP_INSTANCE__) == COMP2) \ ? ( \ ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_IC1_COMP2) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC4_COMP2) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP2) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP2) \ ) \ : \ (((__COMP_INSTANCE__) == COMP4) \ ? ( \ ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_IC2_COMP4) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_OCCLR_COMP4) \ ) \ : \ ( \ ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC2_COMP6) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP6) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_IC1_COMP6) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_OCCLR_COMP6) \ ) \ ) \ ) \ ) #elif defined(STM32F303x8) || defined(STM32F328xx) || defined(STM32F334x8) #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) \ ) \ ? ( \ (1U) \ ) \ : \ (((__COMP_INSTANCE__) == COMP2) \ ? ( \ ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP2_4) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_IC1_COMP2) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC4_COMP2) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP2) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP2) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC1_COMP2) \ ) \ : \ (((__COMP_INSTANCE__) == COMP4) \ ? ( \ ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP2_4)\ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC3_COMP4) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_IC2_COMP4) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM15_OCCLR_COMP4) \ ) \ : \ ( \ ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC2_COMP6) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP6) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_IC1_COMP6) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM16_OCCLR_COMP6) \ ) \ ) \ ) \ ) #elif defined(STM32F302xC) || defined(STM32F302xE) #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) \ ) \ ? ( \ (1U) \ ) \ : \ ((((__COMP_INSTANCE__) == COMP1) || ((__COMP_INSTANCE__) == COMP2)) \ ? ( \ ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_IC1_COMP1_2) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_IC4_COMP1_2) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM1_OCCLR_COMP1_2) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM2_OCCLR_COMP1_2) \ || ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_IC1_COMP1_2) \ ) \ : \ (((__COMP_INSTANCE__) == COMP4) \ ? ( \ ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4) \ || ((__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) \ ) \ : \ ( \ ((__OUTPUT_SELECTION__) == LL_COMP_OUTPUT_TIM3_OCCLR_COMP1_2_4) \ || ((__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) \ ) \ ) \ ) \ ) #elif defined(STM32F303xC) || defined(STM32F358xx) #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) \ ) \ ? ( \ (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) \ ) \ : \ (((__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) \ ) \ ) \ ) \ ) \ ) \ ) \ ) #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 */