118 lines
3.1 KiB
C
Executable file
118 lines
3.1 KiB
C
Executable file
/**
|
|
******************************************************************************
|
|
* @file i2c.c
|
|
* @brief This file provides code for the configuration
|
|
* of the I2C instances.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© Copyright (c) 2023 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 "i2c.h"
|
|
|
|
/* USER CODE BEGIN 0 */
|
|
|
|
/* USER CODE END 0 */
|
|
|
|
I2C_HandleTypeDef hi2c1;
|
|
|
|
/* I2C1 init function */
|
|
void MX_I2C1_Init(void)
|
|
{
|
|
|
|
/* USER CODE BEGIN I2C1_Init 0 */
|
|
|
|
/* USER CODE END I2C1_Init 0 */
|
|
|
|
/* USER CODE BEGIN I2C1_Init 1 */
|
|
|
|
/* USER CODE END I2C1_Init 1 */
|
|
hi2c1.Instance = I2C1;
|
|
hi2c1.Init.ClockSpeed = 100000;
|
|
hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
|
|
hi2c1.Init.OwnAddress1 = 0;
|
|
hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
|
|
hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
|
|
hi2c1.Init.OwnAddress2 = 0;
|
|
hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
|
|
hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
|
|
if (HAL_I2C_Init(&hi2c1) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/* USER CODE BEGIN I2C1_Init 2 */
|
|
|
|
/* USER CODE END I2C1_Init 2 */
|
|
|
|
}
|
|
|
|
void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle)
|
|
{
|
|
|
|
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
if(i2cHandle->Instance==I2C1)
|
|
{
|
|
/* USER CODE BEGIN I2C1_MspInit 0 */
|
|
|
|
/* USER CODE END I2C1_MspInit 0 */
|
|
|
|
__HAL_RCC_GPIOB_CLK_ENABLE();
|
|
/**I2C1 GPIO Configuration
|
|
PB6 ------> I2C1_SCL
|
|
PB7 ------> I2C1_SDA
|
|
*/
|
|
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
|
|
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
|
GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
|
|
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
|
|
|
/* I2C1 clock enable */
|
|
__HAL_RCC_I2C1_CLK_ENABLE();
|
|
/* USER CODE BEGIN I2C1_MspInit 1 */
|
|
|
|
/* USER CODE END I2C1_MspInit 1 */
|
|
}
|
|
}
|
|
|
|
void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle)
|
|
{
|
|
|
|
if(i2cHandle->Instance==I2C1)
|
|
{
|
|
/* USER CODE BEGIN I2C1_MspDeInit 0 */
|
|
|
|
/* USER CODE END I2C1_MspDeInit 0 */
|
|
/* Peripheral clock disable */
|
|
__HAL_RCC_I2C1_CLK_DISABLE();
|
|
|
|
/**I2C1 GPIO Configuration
|
|
PB6 ------> I2C1_SCL
|
|
PB7 ------> I2C1_SDA
|
|
*/
|
|
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6);
|
|
|
|
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_7);
|
|
|
|
/* USER CODE BEGIN I2C1_MspDeInit 1 */
|
|
|
|
/* USER CODE END I2C1_MspDeInit 1 */
|
|
}
|
|
}
|
|
|
|
/* USER CODE BEGIN 1 */
|
|
|
|
/* USER CODE END 1 */
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|