/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file spi.c * @brief This file provides code for the configuration * of the SPI instances. ****************************************************************************** * @attention * * Copyright (c) 2023 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; DMA_HandleTypeDef hdma_spi2_rx; DMA_HandleTypeDef hdma_spi2_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 = 10; 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_8BIT; hspi2.Init.CLKPolarity = SPI_POLARITY_HIGH; hspi2.Init.CLKPhase = SPI_PHASE_2EDGE; hspi2.Init.NSS = SPI_NSS_SOFT; hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256; hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi2.Init.TIMode = SPI_TIMODE_DISABLE; hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; hspi2.Init.CRCPolynomial = 7; 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}; if(spiHandle->Instance==SPI1) { /* USER CODE BEGIN SPI1_MspInit 0 */ /* USER CODE END SPI1_MspInit 0 */ /* SPI1 clock enable */ __HAL_RCC_SPI1_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); /**SPI1 GPIO Configuration PB4 ------> SPI1_MISO PB3 ------> SPI1_SCK PA7 ------> SPI1_MOSI */ GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_3; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_7; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* SPI1 DMA Init */ /* SPI1_RX Init */ hdma_spi1_rx.Instance = DMA2_Stream0; hdma_spi1_rx.Init.Channel = DMA_CHANNEL_3; 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_ENABLE; hdma_spi1_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL; hdma_spi1_rx.Init.MemBurst = DMA_MBURST_SINGLE; hdma_spi1_rx.Init.PeriphBurst = DMA_PBURST_SINGLE; 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_Stream3; hdma_spi1_tx.Init.Channel = DMA_CHANNEL_3; 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 */ /* SPI2 clock enable */ __HAL_RCC_SPI2_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /**SPI2 GPIO Configuration PB13 ------> SPI2_SCK PB14 ------> SPI2_MISO PB15 ------> SPI2_MOSI */ GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF5_SPI2; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* SPI2 DMA Init */ /* SPI2_RX Init */ hdma_spi2_rx.Instance = DMA1_Stream3; hdma_spi2_rx.Init.Channel = DMA_CHANNEL_0; hdma_spi2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; hdma_spi2_rx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_spi2_rx.Init.MemInc = DMA_MINC_ENABLE; hdma_spi2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_spi2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_spi2_rx.Init.Mode = DMA_NORMAL; hdma_spi2_rx.Init.Priority = DMA_PRIORITY_LOW; hdma_spi2_rx.Init.FIFOMode = DMA_FIFOMODE_ENABLE; hdma_spi2_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL; hdma_spi2_rx.Init.MemBurst = DMA_MBURST_SINGLE; hdma_spi2_rx.Init.PeriphBurst = DMA_PBURST_SINGLE; if (HAL_DMA_Init(&hdma_spi2_rx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(spiHandle,hdmarx,hdma_spi2_rx); /* SPI2_TX Init */ hdma_spi2_tx.Instance = DMA1_Stream4; hdma_spi2_tx.Init.Channel = DMA_CHANNEL_0; hdma_spi2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; hdma_spi2_tx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_spi2_tx.Init.MemInc = DMA_MINC_ENABLE; hdma_spi2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_spi2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_spi2_tx.Init.Mode = DMA_NORMAL; hdma_spi2_tx.Init.Priority = DMA_PRIORITY_LOW; hdma_spi2_tx.Init.FIFOMode = DMA_FIFOMODE_ENABLE; hdma_spi2_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL; hdma_spi2_tx.Init.MemBurst = DMA_MBURST_SINGLE; hdma_spi2_tx.Init.PeriphBurst = DMA_PBURST_SINGLE; if (HAL_DMA_Init(&hdma_spi2_tx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(spiHandle,hdmatx,hdma_spi2_tx); /* SPI2 interrupt Init */ HAL_NVIC_SetPriority(SPI2_IRQn, 5, 0); HAL_NVIC_EnableIRQ(SPI2_IRQn); /* 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 PB4 ------> SPI1_MISO PB3 ------> SPI1_SCK PA7 ------> SPI1_MOSI */ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_4|GPIO_PIN_3); HAL_GPIO_DeInit(GPIOA, GPIO_PIN_7); /* 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 PB13 ------> SPI2_SCK PB14 ------> SPI2_MISO PB15 ------> SPI2_MOSI */ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15); /* SPI2 DMA DeInit */ HAL_DMA_DeInit(spiHandle->hdmarx); HAL_DMA_DeInit(spiHandle->hdmatx); /* SPI2 interrupt Deinit */ HAL_NVIC_DisableIRQ(SPI2_IRQn); /* USER CODE BEGIN SPI2_MspDeInit 1 */ /* USER CODE END SPI2_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */