pstd2/Core/Src/dac.c

/* USER CODE BEGIN Header */
/**
 ******************************************************************************
 * @file    dac.c
 * @brief   This file provides code for the configuration
 *          of the DAC instances.
 ******************************************************************************
 * @attention
 *
 * Copyright (c) 2024 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.
 *
 ******************************************************************************
 */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "dac.h"

/* USER CODE BEGIN 0 */
prox_swith_pwr_t prox_swith_pwr_A;
prox_swith_pwr_t prox_swith_pwr_B;

/* USER CODE END 0 */

DAC_HandleTypeDef hdac;

/* DAC init function */
void MX_DAC_Init(void)
{

  /* USER CODE BEGIN DAC_Init 0 */

  /* USER CODE END DAC_Init 0 */

  DAC_ChannelConfTypeDef sConfig = {0};

  /* USER CODE BEGIN DAC_Init 1 */

  /* USER CODE END DAC_Init 1 */

  /** DAC Initialization
  */
  hdac.Instance = DAC;
  if (HAL_DAC_Init(&hdac) != HAL_OK)
  {
    Error_Handler();
  }

  /** DAC channel OUT1 config
  */
  sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
  sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
  if (HAL_DAC_ConfigChannel(&hdac, &sConfig, DAC_CHANNEL_1) != HAL_OK)
  {
    Error_Handler();
  }

  /** DAC channel OUT2 config
  */
  if (HAL_DAC_ConfigChannel(&hdac, &sConfig, DAC_CHANNEL_2) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN DAC_Init 2 */

  /* USER CODE END DAC_Init 2 */

}

void HAL_DAC_MspInit(DAC_HandleTypeDef* dacHandle)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(dacHandle->Instance==DAC)
  {
  /* USER CODE BEGIN DAC_MspInit 0 */

  /* USER CODE END DAC_MspInit 0 */
    /* DAC clock enable */
    __HAL_RCC_DAC_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**DAC GPIO Configuration
    PA4     ------> DAC_OUT1
    PA5     ------> DAC_OUT2
    */
    GPIO_InitStruct.Pin = VOUT_A_DAC1_Pin|VOUT_B_DAC2_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* DAC interrupt Init */
    HAL_NVIC_SetPriority(TIM6_DAC_IRQn, 15, 0);
    HAL_NVIC_EnableIRQ(TIM6_DAC_IRQn);
  /* USER CODE BEGIN DAC_MspInit 1 */

  /* USER CODE END DAC_MspInit 1 */
  }
}

void HAL_DAC_MspDeInit(DAC_HandleTypeDef* dacHandle)
{

  if(dacHandle->Instance==DAC)
  {
  /* USER CODE BEGIN DAC_MspDeInit 0 */

  /* USER CODE END DAC_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_DAC_CLK_DISABLE();

    /**DAC GPIO Configuration
    PA4     ------> DAC_OUT1
    PA5     ------> DAC_OUT2
    */
    HAL_GPIO_DeInit(GPIOA, VOUT_A_DAC1_Pin|VOUT_B_DAC2_Pin);

    /* DAC interrupt Deinit */
    HAL_NVIC_DisableIRQ(TIM6_DAC_IRQn);
  /* USER CODE BEGIN DAC_MspDeInit 1 */

  /* USER CODE END DAC_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */
void fun_ini_switch_pwr(prox_swith_pwr_t *prox_swith_pwr)
{
  memset(prox_swith_pwr, 0, sizeof(prox_swith_pwr_t));
  prox_swith_pwr->voltage_sv = 8200;
}

uint16_t dac_adjust = 88;
void fun_ctr_switch_pwr(prox_swith_pwr_t *prox_swith_pwr)
{
  uint16_t voltage = 0;
  uint16_t *pre_voltage = 0;
  uint8_t lm317_en = 0;
  uint16_t dac_data = 0;

  if (prox_swith_pwr->voltage_sv > PROX_SWITCH_PWR_MAX)
    prox_swith_pwr->voltage_sv = PROX_SWITCH_PWR_MAX;
  else if (prox_swith_pwr->voltage_sv < PROX_SWITCH_PWR_MIN)
    prox_swith_pwr->voltage_sv = PROX_SWITCH_PWR_MIN;

  voltage = prox_swith_pwr->voltage_sv - PROX_SWITCH_PWR_MIN;
  pre_voltage = &prox_swith_pwr->pre_voltage;
  /*
    voltage = &prox_swith_pwr->voltage_sv;
    if (*voltage > PROX_SWITCH_PWR_MAX)
      *voltage = PROX_SWITCH_PWR_MAX;
    else if (*voltage < PROX_SWITCH_PWR_MIN)
      *voltage = PROX_SWITCH_PWR_MIN;
    *voltage -=  PROX_SWITCH_PWR_MIN;
  */
  if (*pre_voltage == voltage)
   ;// return;
  *pre_voltage = voltage;

  if (!voltage)
    lm317_en = 0;
  else
    lm317_en = 1;

  dac_data = voltage * DAC_RANGE / VOL_RANGE;

  if (dac_data >= dac_adjust)
    dac_data -= dac_adjust;

  if (prox_swith_pwr == &prox_swith_pwr_A)
  {
    if (lm317_en)
      HAL_GPIO_WritePin(NAMUR_OUTA_EN_GPIO_Port, NAMUR_OUTA_EN_Pin, GPIO_PIN_SET);
    else
      HAL_GPIO_WritePin(NAMUR_OUTA_EN_GPIO_Port, NAMUR_OUTA_EN_Pin, GPIO_PIN_RESET);
    HAL_DAC_Start(&hdac, DAC_CHANNEL_1);
    HAL_DAC_SetValue(&hdac, DAC_CHANNEL_1, DAC_ALIGN_12B_R, dac_data);
  }
  if (prox_swith_pwr == &prox_swith_pwr_B)
  {
    if (lm317_en)
      HAL_GPIO_WritePin(NAMUR_OUTB_EN_GPIO_Port, NAMUR_OUTB_EN_Pin, GPIO_PIN_SET);
    else
      HAL_GPIO_WritePin(NAMUR_OUTB_EN_GPIO_Port, NAMUR_OUTB_EN_Pin, GPIO_PIN_RESET);
    HAL_DAC_Start(&hdac, DAC_CHANNEL_2);
    HAL_DAC_SetValue(&hdac, DAC_CHANNEL_2, DAC_ALIGN_12B_R, dac_data);
  }
}
/* USER CODE END 1 */