/** ****************************************************************************** * @file spi.c * @brief This file provides code for the configuration * of the SPI instances. ****************************************************************************** * @attention * *

© Copyright (c) 2021 STMicroelectronics. * All rights reserved.

* * 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 "spi.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ /* SPI2 init function */ void MX_SPI2_Init(void) { /* USER CODE BEGIN SPI2_Init 0 */ /* USER CODE END SPI2_Init 0 */ LL_SPI_InitTypeDef SPI_InitStruct = {0}; LL_GPIO_InitTypeDef GPIO_InitStruct = {0}; /* Peripheral clock enable */ LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_SPI2); LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOB); /**SPI2 GPIO Configuration PB13 ------> SPI2_SCK PB14 ------> SPI2_MISO PB15 ------> SPI2_MOSI */ GPIO_InitStruct.Pin = LL_GPIO_PIN_13|LL_GPIO_PIN_14|LL_GPIO_PIN_15; GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE; GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL; GPIO_InitStruct.Pull = LL_GPIO_PULL_NO; GPIO_InitStruct.Alternate = LL_GPIO_AF_5; LL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* USER CODE BEGIN SPI2_Init 1 */ /* USER CODE END SPI2_Init 1 */ SPI_InitStruct.TransferDirection = LL_SPI_FULL_DUPLEX; SPI_InitStruct.Mode = LL_SPI_MODE_MASTER; SPI_InitStruct.DataWidth = LL_SPI_DATAWIDTH_8BIT; SPI_InitStruct.ClockPolarity = LL_SPI_POLARITY_LOW; SPI_InitStruct.ClockPhase = LL_SPI_PHASE_1EDGE; SPI_InitStruct.NSS = LL_SPI_NSS_SOFT; SPI_InitStruct.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV64; SPI_InitStruct.BitOrder = LL_SPI_MSB_FIRST; SPI_InitStruct.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE; SPI_InitStruct.CRCPoly = 10; LL_SPI_Init(SPI2, &SPI_InitStruct); LL_SPI_SetStandard(SPI2, LL_SPI_PROTOCOL_MOTOROLA); /* USER CODE BEGIN SPI2_Init 2 */ /* USER CODE END SPI2_Init 2 */ } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/