/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file spi.c * @brief This file provides code for the configuration * of the SPI instances. ****************************************************************************** * @attention * * Copyright (c) 2024 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "spi.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ SPI_HandleTypeDef hspi1; SPI_HandleTypeDef hspi2; DMA_HandleTypeDef hdma_spi1_rx; DMA_HandleTypeDef hdma_spi1_tx; /* SPI1 init function */ void MX_SPI1_Init(void) { /* USER CODE BEGIN SPI1_Init 0 */ /* USER CODE END SPI1_Init 0 */ /* USER CODE BEGIN SPI1_Init 1 */ /* USER CODE END SPI1_Init 1 */ hspi1.Instance = SPI1; hspi1.Init.Mode = SPI_MODE_MASTER; hspi1.Init.Direction = SPI_DIRECTION_2LINES; hspi1.Init.DataSize = SPI_DATASIZE_8BIT; hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH; hspi1.Init.CLKPhase = SPI_PHASE_2EDGE; hspi1.Init.NSS = SPI_NSS_SOFT; hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8; hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi1.Init.TIMode = SPI_TIMODE_DISABLE; hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; hspi1.Init.CRCPolynomial = 0x0; hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; hspi1.Init.NSSPolarity = SPI_NSS_POLARITY_LOW; hspi1.Init.FifoThreshold = SPI_FIFO_THRESHOLD_01DATA; hspi1.Init.TxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN; hspi1.Init.RxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN; hspi1.Init.MasterSSIdleness = SPI_MASTER_SS_IDLENESS_00CYCLE; hspi1.Init.MasterInterDataIdleness = SPI_MASTER_INTERDATA_IDLENESS_00CYCLE; hspi1.Init.MasterReceiverAutoSusp = SPI_MASTER_RX_AUTOSUSP_DISABLE; hspi1.Init.MasterKeepIOState = SPI_MASTER_KEEP_IO_STATE_DISABLE; hspi1.Init.IOSwap = SPI_IO_SWAP_DISABLE; if (HAL_SPI_Init(&hspi1) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN SPI1_Init 2 */ /* USER CODE END SPI1_Init 2 */ } /* SPI2 init function */ void MX_SPI2_Init(void) { /* USER CODE BEGIN SPI2_Init 0 */ /* USER CODE END SPI2_Init 0 */ /* USER CODE BEGIN SPI2_Init 1 */ /* USER CODE END SPI2_Init 1 */ hspi2.Instance = SPI2; hspi2.Init.Mode = SPI_MODE_MASTER; hspi2.Init.Direction = SPI_DIRECTION_2LINES; hspi2.Init.DataSize = SPI_DATASIZE_4BIT; hspi2.Init.CLKPolarity = SPI_POLARITY_LOW; hspi2.Init.CLKPhase = SPI_PHASE_1EDGE; hspi2.Init.NSS = SPI_NSS_SOFT; hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi2.Init.TIMode = SPI_TIMODE_DISABLE; hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; hspi2.Init.CRCPolynomial = 0x0; hspi2.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; hspi2.Init.NSSPolarity = SPI_NSS_POLARITY_LOW; hspi2.Init.FifoThreshold = SPI_FIFO_THRESHOLD_01DATA; hspi2.Init.TxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN; hspi2.Init.RxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN; hspi2.Init.MasterSSIdleness = SPI_MASTER_SS_IDLENESS_00CYCLE; hspi2.Init.MasterInterDataIdleness = SPI_MASTER_INTERDATA_IDLENESS_00CYCLE; hspi2.Init.MasterReceiverAutoSusp = SPI_MASTER_RX_AUTOSUSP_DISABLE; hspi2.Init.MasterKeepIOState = SPI_MASTER_KEEP_IO_STATE_DISABLE; hspi2.Init.IOSwap = SPI_IO_SWAP_DISABLE; if (HAL_SPI_Init(&hspi2) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN SPI2_Init 2 */ /* USER CODE END SPI2_Init 2 */ } void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0}; if(spiHandle->Instance==SPI1) { /* USER CODE BEGIN SPI1_MspInit 0 */ /* USER CODE END SPI1_MspInit 0 */ /** Initializes the peripherals clock */ PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SPI1; PeriphClkInitStruct.Spi123ClockSelection = RCC_SPI123CLKSOURCE_PLL; if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) { Error_Handler(); } /* SPI1 clock enable */ __HAL_RCC_SPI1_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /**SPI1 GPIO Configuration PD7 ------> SPI1_MOSI PB3(JTDO/TRACESWO) ------> SPI1_SCK PB4(NJTRST) ------> SPI1_MISO */ GPIO_InitStruct.Pin = GPIO_PIN_7; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_4; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* SPI1 DMA Init */ /* SPI1_RX Init */ hdma_spi1_rx.Instance = DMA2_Stream3; hdma_spi1_rx.Init.Request = DMA_REQUEST_SPI1_RX; hdma_spi1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; hdma_spi1_rx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_spi1_rx.Init.MemInc = DMA_MINC_ENABLE; hdma_spi1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_spi1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_spi1_rx.Init.Mode = DMA_NORMAL; hdma_spi1_rx.Init.Priority = DMA_PRIORITY_LOW; hdma_spi1_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_spi1_rx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(spiHandle,hdmarx,hdma_spi1_rx); /* SPI1_TX Init */ hdma_spi1_tx.Instance = DMA2_Stream4; hdma_spi1_tx.Init.Request = DMA_REQUEST_SPI1_TX; hdma_spi1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; hdma_spi1_tx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_spi1_tx.Init.MemInc = DMA_MINC_ENABLE; hdma_spi1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_spi1_tx.Init.Mode = DMA_NORMAL; hdma_spi1_tx.Init.Priority = DMA_PRIORITY_LOW; hdma_spi1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(spiHandle,hdmatx,hdma_spi1_tx); /* SPI1 interrupt Init */ HAL_NVIC_SetPriority(SPI1_IRQn, 5, 0); HAL_NVIC_EnableIRQ(SPI1_IRQn); /* USER CODE BEGIN SPI1_MspInit 1 */ /* USER CODE END SPI1_MspInit 1 */ } else if(spiHandle->Instance==SPI2) { /* USER CODE BEGIN SPI2_MspInit 0 */ /* USER CODE END SPI2_MspInit 0 */ /** Initializes the peripherals clock */ PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SPI2; PeriphClkInitStruct.Spi123ClockSelection = RCC_SPI123CLKSOURCE_PLL; if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) { Error_Handler(); } /* SPI2 clock enable */ __HAL_RCC_SPI2_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /**SPI2 GPIO Configuration PC1 ------> SPI2_MOSI PC2_C ------> SPI2_MISO PB13 ------> SPI2_SCK */ GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_2; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF5_SPI2; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_13; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF5_SPI2; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* USER CODE BEGIN SPI2_MspInit 1 */ /* USER CODE END SPI2_MspInit 1 */ } } void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle) { if(spiHandle->Instance==SPI1) { /* USER CODE BEGIN SPI1_MspDeInit 0 */ /* USER CODE END SPI1_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_SPI1_CLK_DISABLE(); /**SPI1 GPIO Configuration PD7 ------> SPI1_MOSI PB3(JTDO/TRACESWO) ------> SPI1_SCK PB4(NJTRST) ------> SPI1_MISO */ HAL_GPIO_DeInit(GPIOD, GPIO_PIN_7); HAL_GPIO_DeInit(GPIOB, GPIO_PIN_3|GPIO_PIN_4); /* SPI1 DMA DeInit */ HAL_DMA_DeInit(spiHandle->hdmarx); HAL_DMA_DeInit(spiHandle->hdmatx); /* SPI1 interrupt Deinit */ HAL_NVIC_DisableIRQ(SPI1_IRQn); /* USER CODE BEGIN SPI1_MspDeInit 1 */ /* USER CODE END SPI1_MspDeInit 1 */ } else if(spiHandle->Instance==SPI2) { /* USER CODE BEGIN SPI2_MspDeInit 0 */ /* USER CODE END SPI2_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_SPI2_CLK_DISABLE(); /**SPI2 GPIO Configuration PC1 ------> SPI2_MOSI PC2_C ------> SPI2_MISO PB13 ------> SPI2_SCK */ HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1|GPIO_PIN_2); HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13); /* USER CODE BEGIN SPI2_MspDeInit 1 */ /* USER CODE END SPI2_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */