154 lines
4.5 KiB
C
154 lines
4.5 KiB
C
/**
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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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* <h2><center>© Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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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 hspi5;
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/* SPI5 init function */
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void MX_SPI5_Init(void)
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{
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/* USER CODE BEGIN SPI5_Init 0 */
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/* USER CODE END SPI5_Init 0 */
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/* USER CODE BEGIN SPI5_Init 1 */
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/* USER CODE END SPI5_Init 1 */
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hspi5.Instance = SPI5;
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hspi5.Init.Mode = SPI_MODE_MASTER;
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hspi5.Init.Direction = SPI_DIRECTION_2LINES;
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hspi5.Init.DataSize = SPI_DATASIZE_4BIT;
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hspi5.Init.CLKPolarity = SPI_POLARITY_LOW;
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hspi5.Init.CLKPhase = SPI_PHASE_1EDGE;
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hspi5.Init.NSS = SPI_NSS_HARD_INPUT;
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hspi5.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
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hspi5.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi5.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi5.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi5.Init.CRCPolynomial = 0x0;
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hspi5.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
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hspi5.Init.NSSPolarity = SPI_NSS_POLARITY_LOW;
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hspi5.Init.FifoThreshold = SPI_FIFO_THRESHOLD_01DATA;
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hspi5.Init.TxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN;
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hspi5.Init.RxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN;
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hspi5.Init.MasterSSIdleness = SPI_MASTER_SS_IDLENESS_00CYCLE;
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hspi5.Init.MasterInterDataIdleness = SPI_MASTER_INTERDATA_IDLENESS_00CYCLE;
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hspi5.Init.MasterReceiverAutoSusp = SPI_MASTER_RX_AUTOSUSP_DISABLE;
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hspi5.Init.MasterKeepIOState = SPI_MASTER_KEEP_IO_STATE_DISABLE;
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hspi5.Init.IOSwap = SPI_IO_SWAP_DISABLE;
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if (HAL_SPI_Init(&hspi5) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN SPI5_Init 2 */
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/* USER CODE END SPI5_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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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
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if(spiHandle->Instance==SPI5)
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{
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/* USER CODE BEGIN SPI5_MspInit 0 */
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/* USER CODE END SPI5_MspInit 0 */
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/** Initializes the peripherals clock
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*/
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SPI5;
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PeriphClkInitStruct.Spi45ClockSelection = RCC_SPI45CLKSOURCE_D2PCLK1;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/* SPI5 clock enable */
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__HAL_RCC_SPI5_CLK_ENABLE();
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__HAL_RCC_GPIOK_CLK_ENABLE();
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__HAL_RCC_GPIOJ_CLK_ENABLE();
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/**SPI5 GPIO Configuration
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PK0 ------> SPI5_SCK
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PK1 ------> SPI5_NSS
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PJ11 ------> SPI5_MISO
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PJ10 ------> SPI5_MOSI
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
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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_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI5;
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HAL_GPIO_Init(GPIOK, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_10;
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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_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI5;
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HAL_GPIO_Init(GPIOJ, &GPIO_InitStruct);
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/* USER CODE BEGIN SPI5_MspInit 1 */
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/* USER CODE END SPI5_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==SPI5)
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{
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/* USER CODE BEGIN SPI5_MspDeInit 0 */
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/* USER CODE END SPI5_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SPI5_CLK_DISABLE();
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/**SPI5 GPIO Configuration
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PK0 ------> SPI5_SCK
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PK1 ------> SPI5_NSS
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PJ11 ------> SPI5_MISO
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PJ10 ------> SPI5_MOSI
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*/
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HAL_GPIO_DeInit(GPIOK, GPIO_PIN_0|GPIO_PIN_1);
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HAL_GPIO_DeInit(GPIOJ, GPIO_PIN_11|GPIO_PIN_10);
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/* USER CODE BEGIN SPI5_MspDeInit 1 */
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/* USER CODE END SPI5_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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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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