128 lines
3.5 KiB
C
128 lines
3.5 KiB
C
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file spi.c
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* @brief This file provides code for the configuration
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* of the SPI instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2024 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "spi.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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SPI_HandleTypeDef hspi3;
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/* SPI3 init function */
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void MX_SPI3_Init(void)
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{
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/* USER CODE BEGIN SPI3_Init 0 */
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/* USER CODE END SPI3_Init 0 */
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/* USER CODE BEGIN SPI3_Init 1 */
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/* USER CODE END SPI3_Init 1 */
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hspi3.Instance = SPI3;
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hspi3.Init.Mode = SPI_MODE_MASTER;
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hspi3.Init.Direction = SPI_DIRECTION_2LINES;
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hspi3.Init.DataSize = SPI_DATASIZE_4BIT;
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hspi3.Init.CLKPolarity = SPI_POLARITY_LOW;
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hspi3.Init.CLKPhase = SPI_PHASE_1EDGE;
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hspi3.Init.NSS = SPI_NSS_SOFT;
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hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
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hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi3.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi3.Init.CRCPolynomial = 7;
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hspi3.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
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hspi3.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
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if (HAL_SPI_Init(&hspi3) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN SPI3_Init 2 */
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/* USER CODE END SPI3_Init 2 */
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}
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void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(spiHandle->Instance==SPI3)
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{
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/* USER CODE BEGIN SPI3_MspInit 0 */
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/* USER CODE END SPI3_MspInit 0 */
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/* SPI3 clock enable */
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__HAL_RCC_SPI3_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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/**SPI3 GPIO Configuration
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PC10 ------> SPI3_SCK
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PC11 ------> SPI3_MISO
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PC12 ------> SPI3_MOSI
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF6_SPI3;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/* USER CODE BEGIN SPI3_MspInit 1 */
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//PB3.5
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GPIO_InitStruct.Pin=GPIO_PIN_3|GPIO_PIN_5;
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GPIO_InitStruct.Mode=GPIO_MODE_AF_PP; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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GPIO_InitStruct.Pull=GPIO_PULLUP; //<2F><><EFBFBD><EFBFBD>
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GPIO_InitStruct.Speed=GPIO_SPEED_FREQ_VERY_HIGH; //80Mhz
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GPIO_InitStruct.Alternate=GPIO_AF6_SPI3; //PB3.5<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ΪSPI3
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HAL_GPIO_Init(GPIOB,&GPIO_InitStruct);
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/* USER CODE END SPI3_MspInit 1 */
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}
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}
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void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
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{
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if(spiHandle->Instance==SPI3)
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{
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/* USER CODE BEGIN SPI3_MspDeInit 0 */
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/* USER CODE END SPI3_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SPI3_CLK_DISABLE();
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/**SPI3 GPIO Configuration
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PC10 ------> SPI3_SCK
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PC11 ------> SPI3_MISO
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PC12 ------> SPI3_MOSI
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12);
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/* USER CODE BEGIN SPI3_MspDeInit 1 */
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/* USER CODE END SPI3_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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