316 lines
11 KiB
C
316 lines
11 KiB
C
/*
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******************************************************************************
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* @file HAL_COMP.c
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* @version V1.0.0
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* @date 2020
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* @brief COMP HAL module driver.
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* This file provides firmware functions to manage the following
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* functionalities of the Comparator Peripheral (COMP).
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* @ Initialization and de-initialization functions
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* @ IO operation functions
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* @ Peripheral Control functions
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******************************************************************************
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*/
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#include "ACM32Fxx_HAL.h"
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/************************************************************************
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* function : HAL_COMP_MspInit
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* Description: Inition the comparator gpio and clock
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* input : COMP_HandleTypeDef* hcomp: pointer to comparator structure.
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* output : none
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************************************************************************/
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__weak void HAL_COMP_MspInit(COMP_HandleTypeDef* hcomp)
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{
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/*
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NOTE : This function should be modified by the user.
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*/
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/* For Example */
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GPIO_InitTypeDef GPIO_Handle;
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System_Module_Enable(EN_COMP);
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if(hcomp->Init.Comparator == COMP1 )
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{
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/* COMP1 GPIO inition VINP:PA5(INP_0)*/
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/* COMP1 GPIO inition VINM:PA4(INM_0)*/
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/* COMP1 GPIO inition VOUT:PA0(FUNCTION_7)*/
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GPIO_Handle.Pin = GPIO_PIN_4 | GPIO_PIN_5;
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GPIO_Handle.Mode = GPIO_MODE_ANALOG;
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GPIO_Handle.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOA, &GPIO_Handle);
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GPIO_Handle.Pin = GPIO_PIN_0;
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GPIO_Handle.Mode = GPIO_MODE_AF_PP;
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GPIO_Handle.Alternate = GPIO_FUNCTION_7;
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GPIO_Handle.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOA, &GPIO_Handle);
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}
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else if(hcomp->Init.Comparator == COMP2 )
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{
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/* COMP2 GPIO inition VINP:PB4(INP_1)*/
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/* COMP2 GPIO inition VOUT:PA2(FUNCTION_7)*/
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GPIO_Handle.Pin = GPIO_PIN_4;
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GPIO_Handle.Mode = GPIO_MODE_ANALOG;
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GPIO_Handle.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOB, &GPIO_Handle);
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GPIO_Handle.Pin = GPIO_PIN_2;
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GPIO_Handle.Mode = GPIO_MODE_AF_PP;
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GPIO_Handle.Alternate = GPIO_FUNCTION_7;
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GPIO_Handle.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOA, &GPIO_Handle);
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}
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}
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/************************************************************************
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* function : HAL_COMP_MspDeInit
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* Description: De-Inition the comparator gpio and clock
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* input : COMP_HandleTypeDef* hcomp: pointer to comparator structure.
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* output : none
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************************************************************************/
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__weak void HAL_COMP_MspDeInit(COMP_HandleTypeDef* hcomp)
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{
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/*
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NOTE : This function should be modified by the user.
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*/
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/* For Example */
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System_Module_Reset(RST_COMP);
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System_Module_Enable(EN_COMP);
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}
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/************************************************************************
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* function : HAL_COMP_Init
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* Description: Inition the comparator
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* input : COMP_HandleTypeDef* hcomp: pointer to comparator structure.
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************************************************************************/
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HAL_StatusTypeDef HAL_COMP_Init(COMP_HandleTypeDef* hcomp)
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{
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uint32_t u32RegTemp;
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__IO uint32_t *gu32RegCrx;
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/* Check the COMP handle allocation */
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if (hcomp == NULL)
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{
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return HAL_ERROR;
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}
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/* Check the parameters */
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if(!IS_COMP_ALL_INSTANCE(hcomp->Instance)) return HAL_ERROR;
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if(!IS_COMP_ALL_COMP(hcomp->Init.Comparator)) return HAL_ERROR;
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if(!IS_COMP_ALL_CRV_EN(hcomp->Init.Crv_En)) return HAL_ERROR;
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if(!IS_COMP_ALL_CRV_SEL(hcomp->Init.Crv_Sel)) return HAL_ERROR;
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if(!IS_COMP_ALL_CRV_CFG(hcomp->Init.Crv_Cfg)) return HAL_ERROR;
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if(!IS_COMP_ALL_WINMODE(hcomp->Init.WinMode)) return HAL_ERROR;
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if(!IS_COMP_ALL_WINOUT(hcomp->Init.WinOut)) return HAL_ERROR;
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if(!IS_COMP_ALL_POLARITY(hcomp->Init.Polarity)) return HAL_ERROR;
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if(!IS_COMP_ALL_FLTEN(hcomp->Init.FltEn)) return HAL_ERROR;
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if(!IS_COMP_ALL_FLTTIME(hcomp->Init.FltTime)) return HAL_ERROR;
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if(!IS_COMP_ALL_BLANKTIME(hcomp->Init.BlankTime)) return HAL_ERROR;
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if(!IS_COMP_ALL_BLANKSEL(hcomp->Init.BlankSel)) return HAL_ERROR;
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if(!IS_COMP_ALL_INPSEL(hcomp->Init.InPSel)) return HAL_ERROR;
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if(!IS_COMP_ALL_INMSEL(hcomp->Init.InMSel)) return HAL_ERROR;
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if(!IS_COMP_ALL_HYS(hcomp->Init.HYS)) return HAL_ERROR;
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/* Init the low level hardware : GPIO, CLOCK */
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HAL_COMP_MspInit(hcomp);
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if(hcomp->Init.Comparator == COMP1 )
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gu32RegCrx = &hcomp->Instance->CR1;
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else
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gu32RegCrx = &hcomp->Instance->CR2;
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//Check if the register is locked
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if(READ_BIT(*gu32RegCrx , COMP_CR_LOCK))
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{
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System_Module_Reset(RST_COMP);
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}
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//Check if the comparetor is enable
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if(READ_BIT(*gu32RegCrx , COMP_CR_EN))
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CLEAR_BIT(*gu32RegCrx , COMP_CR_EN);
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u32RegTemp = *gu32RegCrx ;
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u32RegTemp = u32RegTemp | ((hcomp->Init.Crv_Cfg << COMP_CR_CRV_CFG_POS)& COMP_CR_CRV_CFG_MASK) | \
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((hcomp->Init.Crv_Sel << 24) & COMP_CR_CRV_SEL) | \
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((hcomp->Init.Crv_En << 23) & COMP_CR_CRV_EN) | \
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((hcomp->Init.WinMode << 22) & COMP_CR_WINMODE) | \
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((hcomp->Init.WinOut << 21) & COMP_CR_WINOUT) | \
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((hcomp->Init.Polarity << 20) & COMP_CR_POLARITY) | \
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((hcomp->Init.FltEn << 19) & COMP_CR_FLTEN) | \
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((hcomp->Init.FltTime << COMP_CR_FLTTIME_POS)& COMP_CR_FLTTIME_MASK) | \
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((hcomp->Init.BlankTime << COMP_CR_BLANKTIME_POS)& COMP_CR_BLANKTIME_MASK) | \
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((hcomp->Init.BlankSel << COMP_CR_BLANKSEL_POS)& COMP_CR_BLANKSEL_MASK) | \
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((hcomp->Init.InPSel << COMP_CR_INPSEL_POS)& COMP_CR_INPSEL_MASK) | \
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((hcomp->Init.InMSel << COMP_CR_INMSEL_POS)& COMP_CR_INMSEL_MASK) | \
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((hcomp->Init.HYS << COMP_CR_HYS_POS)& COMP_CR_HYS_MASK);
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//Write the COMP_CR register .
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WRITE_REG(*gu32RegCrx,u32RegTemp);
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SET_BIT(*gu32RegCrx , COMP_CR_EN); //enable
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return HAL_OK;
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}
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/************************************************************************
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* function : HAL_COMP_Enable
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* Description: Enable the comparator
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* input : COMP_HandleTypeDef* hcomp: pointer to comparator structure.
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************************************************************************/
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HAL_StatusTypeDef HAL_COMP_Enable(COMP_HandleTypeDef* hcomp)
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{
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__IO uint32_t *gu32RegCrx;
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/* Check the COMP handle allocation */
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if (hcomp == NULL)
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{
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return HAL_ERROR;
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}
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/* Check the parameters */
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if(!IS_COMP_ALL_INSTANCE(hcomp->Instance)) return HAL_ERROR;
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if(!IS_COMP_ALL_COMP(hcomp->Init.Comparator)) return HAL_ERROR;
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if(hcomp->Init.Comparator == COMP1 )
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gu32RegCrx = &hcomp->Instance->CR1;
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else
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gu32RegCrx = &hcomp->Instance->CR2;
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SET_BIT(*gu32RegCrx , COMP_CR_EN); //enable
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/* Return function status */
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return HAL_OK;
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}
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/************************************************************************
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* function : HAL_COMP_DeInit
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* Description: Deinit and reset the comparator
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* input : COMP_HandleTypeDef* hcomp: pointer to comparator structure.
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************************************************************************/
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HAL_StatusTypeDef HAL_COMP_DeInit(COMP_HandleTypeDef* hcomp)
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{
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/* Check the COMP handle allocation */
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if (hcomp == NULL)
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{
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return HAL_ERROR;
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}
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HAL_COMP_MspDeInit(hcomp);
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memset(&hcomp->Init, 0, sizeof(hcomp->Init));
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/* Return function status */
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return HAL_OK;
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}
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/************************************************************************
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* function : HAL_COMP_Disable
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* Description: Disable the comparator
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* input : COMP_HandleTypeDef* hcomp: pointer to comparator structure.
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************************************************************************/
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HAL_StatusTypeDef HAL_COMP_Disable(COMP_HandleTypeDef* hcomp)
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{
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__IO uint32_t *gu32RegCrx;
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/* Check the COMP handle allocation */
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if (hcomp == NULL)
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{
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return HAL_ERROR;
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}
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/* Check the parameters */
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if(!IS_COMP_ALL_INSTANCE(hcomp->Instance)) return HAL_ERROR;
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if(!IS_COMP_ALL_COMP(hcomp->Init.Comparator)) return HAL_ERROR;
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if(hcomp->Init.Comparator == COMP1 )
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gu32RegCrx = &hcomp->Instance->CR1;
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else
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gu32RegCrx = &hcomp->Instance->CR2;
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CLEAR_BIT(*gu32RegCrx , COMP_CR_EN); //disable
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/* Return function status */
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return HAL_OK;
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}
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/************************************************************************
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* function : HAL_COMP_GetOutputLevel
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* Description: Get the output level of the comparator
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* input : COMP_HandleTypeDef* hcomp: pointer to comparator structure.
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************************************************************************/
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HAL_StatusTypeDef HAL_COMP_GetOutputLevel(COMP_HandleTypeDef* hcomp)
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{
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uint32_t u32RegTemp;
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/* Check the parameters */
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if(!IS_COMP_ALL_INSTANCE(hcomp->Instance)) return HAL_ERROR;
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if(!IS_COMP_ALL_COMP(hcomp->Init.Comparator)) return HAL_ERROR;
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u32RegTemp = READ_REG(hcomp->Instance->SR);
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if(hcomp->Init.Comparator == COMP1 )
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{
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hcomp->OutputLevel_Org = (u32RegTemp & COMP_SR_VCOUT1_ORG)? 1:0;
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hcomp->OutputLevel = (u32RegTemp & COMP_SR_VCOUT1)? 1:0;
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}
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else
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{
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hcomp->OutputLevel_Org = (u32RegTemp & COMP_SR_VCOUT2_ORG)? 1:0;
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hcomp->OutputLevel = (u32RegTemp & COMP_SR_VCOUT2)? 1:0;
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}
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/* Return function status */
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return HAL_OK;
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}
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/************************************************************************
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* function : HAL_COMP_Lock
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* Description: Lock the comparator
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* input : COMP_HandleTypeDef* hcomp: pointer to comparator structure.
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************************************************************************/
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HAL_StatusTypeDef HAL_COMP_Lock(COMP_HandleTypeDef* hcomp)
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{
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__IO uint32_t *gu32RegCrx;
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/* Check the COMP handle allocation */
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if (hcomp == NULL)
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{
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return HAL_ERROR;
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}
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/* Check the parameters */
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if(!IS_COMP_ALL_INSTANCE(hcomp->Instance)) return HAL_ERROR;
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if(!IS_COMP_ALL_COMP(hcomp->Init.Comparator)) return HAL_ERROR;
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if(hcomp->Init.Comparator == COMP1 )
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gu32RegCrx = &hcomp->Instance->CR1;
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else
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gu32RegCrx = &hcomp->Instance->CR2;
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SET_BIT(*gu32RegCrx , COMP_CR_LOCK); //lock
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/* Return function status */
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return HAL_OK;
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}
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/************************************************************************
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* function : HAL_COMP_Start
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* Description: Start the comparator
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* input : COMP_HandleTypeDef* hcomp: pointer to comparator structure.
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************************************************************************/
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HAL_StatusTypeDef HAL_COMP_Start(COMP_HandleTypeDef *hcomp)
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{
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return(HAL_COMP_Enable(hcomp));
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}
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/************************************************************************
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* function : HAL_COMP_Stop
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* Description: Stop the comparator
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* input : COMP_HandleTypeDef* hcomp: pointer to comparator structure.
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************************************************************************/
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HAL_StatusTypeDef HAL_COMP_Stop(COMP_HandleTypeDef *hcomp)
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{
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return(HAL_COMP_Disable(hcomp));
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}
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