source: ecs_cellMon/firmware/Core/Src/comp.c

/**
  ******************************************************************************
  * @file    comp.c
  * @brief   This file provides code for the configuration
  *          of the COMP instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "comp.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

COMP_HandleTypeDef hcomp1;
COMP_HandleTypeDef hcomp2;

/* COMP1 init function */
void MX_COMP1_Init(void)
{

  /* USER CODE BEGIN COMP1_Init 0 */

  /* USER CODE END COMP1_Init 0 */

  /* USER CODE BEGIN COMP1_Init 1 */

  /* USER CODE END COMP1_Init 1 */
  hcomp1.Instance = COMP1;
  hcomp1.Init.InputPlus = COMP_INPUT_PLUS_IO3;
  hcomp1.Init.InputMinus = COMP_INPUT_MINUS_DAC1_CH1;
  hcomp1.Init.OutputPol = COMP_OUTPUTPOL_INVERTED;
  hcomp1.Init.WindowOutput = COMP_WINDOWOUTPUT_EACH_COMP;
  hcomp1.Init.Hysteresis = COMP_HYSTERESIS_HIGH;
  hcomp1.Init.BlankingSrce = COMP_BLANKINGSRC_NONE;
  hcomp1.Init.Mode = COMP_POWERMODE_HIGHSPEED;
  hcomp1.Init.WindowMode = COMP_WINDOWMODE_DISABLE;
  hcomp1.Init.TriggerMode = COMP_TRIGGERMODE_NONE;
  if (HAL_COMP_Init(&hcomp1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN COMP1_Init 2 */

  /* USER CODE END COMP1_Init 2 */

}
/* COMP2 init function */
void MX_COMP2_Init(void)
{

  /* USER CODE BEGIN COMP2_Init 0 */

  /* USER CODE END COMP2_Init 0 */

  /* USER CODE BEGIN COMP2_Init 1 */

  /* USER CODE END COMP2_Init 1 */
  hcomp2.Instance = COMP2;
  hcomp2.Init.InputPlus = COMP_INPUT_PLUS_IO3;
  hcomp2.Init.InputMinus = COMP_INPUT_MINUS_IO3;
  hcomp2.Init.OutputPol = COMP_OUTPUTPOL_NONINVERTED;
  hcomp2.Init.WindowOutput = COMP_WINDOWOUTPUT_EACH_COMP;
  hcomp2.Init.Hysteresis = COMP_HYSTERESIS_HIGH;
  hcomp2.Init.BlankingSrce = COMP_BLANKINGSRC_NONE;
  hcomp2.Init.Mode = COMP_POWERMODE_HIGHSPEED;
  hcomp2.Init.WindowMode = COMP_WINDOWMODE_DISABLE;
  hcomp2.Init.TriggerMode = COMP_TRIGGERMODE_NONE;
  if (HAL_COMP_Init(&hcomp2) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN COMP2_Init 2 */

  /* USER CODE END COMP2_Init 2 */

}

void HAL_COMP_MspInit(COMP_HandleTypeDef* compHandle)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(compHandle->Instance==COMP1)
  {
  /* USER CODE BEGIN COMP1_MspInit 0 */

  /* USER CODE END COMP1_MspInit 0 */

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**COMP1 GPIO Configuration
    PA1     ------> COMP1_INP
    PA11 [PA9]     ------> COMP1_OUT
    */
    GPIO_InitStruct.Pin = COMP1_INP_I_SENSE_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(COMP1_INP_I_SENSE_GPIO_Port, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = COMP1_OUT_I_PEAK_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF7_COMP1;
    HAL_GPIO_Init(COMP1_OUT_I_PEAK_GPIO_Port, &GPIO_InitStruct);

  /* USER CODE BEGIN COMP1_MspInit 1 */

  /* USER CODE END COMP1_MspInit 1 */
  }
  else if(compHandle->Instance==COMP2)
  {
  /* USER CODE BEGIN COMP2_MspInit 0 */
  /* USER CODE END COMP2_MspInit 0 */

    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
    /**COMP2 GPIO Configuration
    PA2     ------> COMP2_INM
    PA3     ------> COMP2_INP
    PB5     ------> COMP2_OUT
    */
    GPIO_InitStruct.Pin = COMP2_INM_U_TR_SENSE_Pin|COMP2_INP_U_TR_REF_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = COMP2_OUT_DISCHARGE_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF7_COMP2;
    HAL_GPIO_Init(COMP2_OUT_DISCHARGE_GPIO_Port, &GPIO_InitStruct);

  /* USER CODE BEGIN COMP2_MspInit 1 */

  /* USER CODE END COMP2_MspInit 1 */
  }
}

void HAL_COMP_MspDeInit(COMP_HandleTypeDef* compHandle)
{

  if(compHandle->Instance==COMP1)
  {
  /* USER CODE BEGIN COMP1_MspDeInit 0 */

  /* USER CODE END COMP1_MspDeInit 0 */

    /**COMP1 GPIO Configuration
    PA1     ------> COMP1_INP
    PA11 [PA9]     ------> COMP1_OUT
    */
    HAL_GPIO_DeInit(GPIOA, COMP1_INP_I_SENSE_Pin|COMP1_OUT_I_PEAK_Pin);

  /* USER CODE BEGIN COMP1_MspDeInit 1 */

  /* USER CODE END COMP1_MspDeInit 1 */
  }
  else if(compHandle->Instance==COMP2)
  {
  /* USER CODE BEGIN COMP2_MspDeInit 0 */

  /* USER CODE END COMP2_MspDeInit 0 */

    /**COMP2 GPIO Configuration
    PA2     ------> COMP2_INM
    PA3     ------> COMP2_INP
    PB5     ------> COMP2_OUT
    */
    HAL_GPIO_DeInit(GPIOA, COMP2_INM_U_TR_SENSE_Pin|COMP2_INP_U_TR_REF_Pin);

    HAL_GPIO_DeInit(COMP2_OUT_DISCHARGE_GPIO_Port, COMP2_OUT_DISCHARGE_Pin);

  /* USER CODE BEGIN COMP2_MspDeInit 1 */

  /* USER CODE END COMP2_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/