258 lines
7.0 KiB
C
258 lines
7.0 KiB
C
/* 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 hspi1;
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SPI_HandleTypeDef hspi3;
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/* SPI1 init function */
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void MX_SPI1_Init(void)
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{
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/* USER CODE BEGIN SPI1_Init 0 */
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/* USER CODE END SPI1_Init 0 */
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/* USER CODE BEGIN SPI1_Init 1 */
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/* USER CODE END SPI1_Init 1 */
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hspi1.Instance = SPI1;
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hspi1.Init.Mode = SPI_MODE_MASTER;
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hspi1.Init.Direction = SPI_DIRECTION_2LINES;
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hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
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hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
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hspi1.Init.NSS = SPI_NSS_SOFT;
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hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
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hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi1.Init.CRCPolynomial = 10;
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if (HAL_SPI_Init(&hspi1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN SPI1_Init 2 */
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/* USER CODE END SPI1_Init 2 */
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}
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/* SPI2 init function */
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void MX_SPI2_Init(void)
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{
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/* USER CODE BEGIN SPI2_Init 0 */
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/* USER CODE END SPI2_Init 0 */
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LL_SPI_InitTypeDef SPI_InitStruct = {0};
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LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* Peripheral clock enable */
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_SPI2);
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LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOB);
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/**SPI2 GPIO Configuration
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PB12 ------> SPI2_NSS
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PB13 ------> SPI2_SCK
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PB14 ------> SPI2_MISO
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PB15 ------> SPI2_MOSI
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*/
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GPIO_InitStruct.Pin = LL_GPIO_PIN_12|LL_GPIO_PIN_13|LL_GPIO_PIN_14|LL_GPIO_PIN_15;
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GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
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GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
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GPIO_InitStruct.Alternate = LL_GPIO_AF_5;
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LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* USER CODE BEGIN SPI2_Init 1 */
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/* USER CODE END SPI2_Init 1 */
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SPI_InitStruct.TransferDirection = LL_SPI_FULL_DUPLEX;
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SPI_InitStruct.Mode = LL_SPI_MODE_MASTER;
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SPI_InitStruct.DataWidth = LL_SPI_DATAWIDTH_8BIT;
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SPI_InitStruct.ClockPolarity = LL_SPI_POLARITY_LOW;
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SPI_InitStruct.ClockPhase = LL_SPI_PHASE_1EDGE;
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SPI_InitStruct.NSS = LL_SPI_NSS_HARD_OUTPUT;
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SPI_InitStruct.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV2;
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SPI_InitStruct.BitOrder = LL_SPI_MSB_FIRST;
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SPI_InitStruct.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE;
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SPI_InitStruct.CRCPoly = 10;
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LL_SPI_Init(SPI2, &SPI_InitStruct);
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LL_SPI_SetStandard(SPI2, LL_SPI_PROTOCOL_MOTOROLA);
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/* USER CODE BEGIN SPI2_Init 2 */
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/* USER CODE END SPI2_Init 2 */
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}
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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_8BIT;
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hspi3.Init.CLKPolarity = SPI_POLARITY_LOW;
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hspi3.Init.CLKPhase = SPI_PHASE_2EDGE;
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hspi3.Init.NSS = SPI_NSS_HARD_OUTPUT;
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hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
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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 = 10;
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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==SPI1)
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{
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/* USER CODE BEGIN SPI1_MspInit 0 */
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/* USER CODE END SPI1_MspInit 0 */
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/* SPI1 clock enable */
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__HAL_RCC_SPI1_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/**SPI1 GPIO Configuration
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PA5 ------> SPI1_SCK
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PA6 ------> SPI1_MISO
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PA7 ------> SPI1_MOSI
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
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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_AF5_SPI1;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* USER CODE BEGIN SPI1_MspInit 1 */
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/* USER CODE END SPI1_MspInit 1 */
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}
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else 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_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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/**SPI3 GPIO Configuration
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PA15 ------> SPI3_NSS
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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_15;
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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(GPIOA, &GPIO_InitStruct);
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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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/* 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==SPI1)
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{
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/* USER CODE BEGIN SPI1_MspDeInit 0 */
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/* USER CODE END SPI1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SPI1_CLK_DISABLE();
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/**SPI1 GPIO Configuration
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PA5 ------> SPI1_SCK
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PA6 ------> SPI1_MISO
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PA7 ------> SPI1_MOSI
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*/
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HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
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/* USER CODE BEGIN SPI1_MspDeInit 1 */
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/* USER CODE END SPI1_MspDeInit 1 */
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}
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else 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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PA15 ------> SPI3_NSS
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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(GPIOA, GPIO_PIN_15);
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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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