32blit-stm32/Src/i2c.c

/**
  ******************************************************************************
  * File Name          : I2C.c
  * Description        : This file provides code for the configuration
  *                      of the I2C instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under Ultimate Liberty license
  * SLA0044, the "License"; You may not use this file except in compliance with
  * the License. You may obtain a copy of the License at:
  *                             www.st.com/SLA0044
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "i2c.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

I2C_HandleTypeDef hi2c4;

/* I2C4 init function */
void MX_I2C4_Init(void)
{

  hi2c4.Instance = I2C4;
  hi2c4.Init.Timing = 0x20401943;
  hi2c4.Init.OwnAddress1 = 0;
  hi2c4.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  hi2c4.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  hi2c4.Init.OwnAddress2 = 0;
  hi2c4.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
  hi2c4.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  hi2c4.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  if (HAL_I2C_Init(&hi2c4) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Analogue filter
  */
  if (HAL_I2CEx_ConfigAnalogFilter(&hi2c4, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Digital filter
  */
  if (HAL_I2CEx_ConfigDigitalFilter(&hi2c4, 0) != HAL_OK)
  {
    Error_Handler();
  }

}

void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle)
{
  if(i2cHandle->Instance==I2C4)
  {
  /* USER CODE BEGIN I2C4_MspInit 0 */

  /* USER CODE END I2C4_MspInit 0 */

    /* I2C4 clock enable */
    __HAL_RCC_I2C4_CLK_ENABLE();

    /* I2C4 interrupt Init */
    HAL_NVIC_SetPriority(I2C4_EV_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(I2C4_EV_IRQn);
    HAL_NVIC_SetPriority(I2C4_ER_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(I2C4_ER_IRQn);
  /* USER CODE BEGIN I2C4_MspInit 1 */

  /* USER CODE END I2C4_MspInit 1 */
  }
}

void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle)
{

  if(i2cHandle->Instance==I2C4)
  {
  /* USER CODE BEGIN I2C4_MspDeInit 0 */

  /* USER CODE END I2C4_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_I2C4_CLK_DISABLE();

    /* I2C4 interrupt Deinit */
    HAL_NVIC_DisableIRQ(I2C4_EV_IRQn);
    HAL_NVIC_DisableIRQ(I2C4_ER_IRQn);
  /* USER CODE BEGIN I2C4_MspDeInit 1 */

  /* USER CODE END I2C4_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

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