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/**
******************************************************************************
* @file i2c.c
* @brief This file provides code for the configuration
* of the I2C instances.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2021 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 */
/* I2C1 init function */
void MX_I2C1_Init(void)
{
/* USER CODE BEGIN I2C1_Init 0 */
/* USER CODE END I2C1_Init 0 */
LL_I2C_InitTypeDef I2C_InitStruct = {0};
LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOA);
/**I2C1 GPIO Configuration
PA9 ------> I2C1_SCL
PA10 ------> I2C1_SDA
*/
GPIO_InitStruct.Pin = LL_GPIO_PIN_9|LL_GPIO_PIN_10;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
GPIO_InitStruct.Pull = LL_GPIO_PULL_UP;
GPIO_InitStruct.Alternate = LL_GPIO_AF_4;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* Peripheral clock enable */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_I2C1);
/* USER CODE BEGIN I2C1_Init 1 */
/* USER CODE END I2C1_Init 1 */
/** I2C Initialization
*/
I2C_InitStruct.PeripheralMode = LL_I2C_MODE_I2C;
I2C_InitStruct.Timing = 0x10707DBC;
I2C_InitStruct.AnalogFilter = LL_I2C_ANALOGFILTER_ENABLE;
I2C_InitStruct.DigitalFilter = 0;
I2C_InitStruct.OwnAddress1 = 0;
I2C_InitStruct.TypeAcknowledge = LL_I2C_ACK;
I2C_InitStruct.OwnAddrSize = LL_I2C_OWNADDRESS1_7BIT;
LL_I2C_Init(I2C1, &I2C_InitStruct);
LL_I2C_EnableAutoEndMode(I2C1);
LL_I2C_SetOwnAddress2(I2C1, 0, LL_I2C_OWNADDRESS2_NOMASK);
LL_I2C_DisableOwnAddress2(I2C1);
LL_I2C_DisableGeneralCall(I2C1);
LL_I2C_EnableClockStretching(I2C1);
/* USER CODE BEGIN I2C1_Init 2 */
/* USER CODE END I2C1_Init 2 */
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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