/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file spi.c * @brief This file provides code for the configuration * of the SPI instances. ****************************************************************************** * @attention * * Copyright (c) 2025 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 hspi2; SPI_HandleTypeDef hspi3; DMA_HandleTypeDef hdma_spi2_rx; DMA_HandleTypeDef hdma_spi2_tx; /* 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_16BIT; hspi2.Init.CLKPolarity = SPI_POLARITY_LOW; hspi2.Init.CLKPhase = SPI_PHASE_2EDGE; hspi2.Init.NSS = SPI_NSS_SOFT; hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16; hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi2.Init.TIMode = SPI_TIMODE_DISABLE; hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; hspi2.Init.CRCPolynomial = 10; if (HAL_SPI_Init(&hspi2) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN SPI2_Init 2 */ /* USER CODE END SPI2_Init 2 */ } /* SPI3 init function */ void MX_SPI3_Init(void) { /* USER CODE BEGIN SPI3_Init 0 */ /* USER CODE END SPI3_Init 0 */ /* USER CODE BEGIN SPI3_Init 1 */ /* USER CODE END SPI3_Init 1 */ hspi3.Instance = SPI3; hspi3.Init.Mode = SPI_MODE_MASTER; hspi3.Init.Direction = SPI_DIRECTION_2LINES; hspi3.Init.DataSize = SPI_DATASIZE_8BIT; hspi3.Init.CLKPolarity = SPI_POLARITY_HIGH; hspi3.Init.CLKPhase = SPI_PHASE_2EDGE; hspi3.Init.NSS = SPI_NSS_SOFT; hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16; hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi3.Init.TIMode = SPI_TIMODE_DISABLE; hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; hspi3.Init.CRCPolynomial = 10; if (HAL_SPI_Init(&hspi3) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN SPI3_Init 2 */ /* USER CODE END SPI3_Init 2 */ } void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; 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 = SPI2_ADS8866_SCK_Pin|SPI2_ADS8866_MOSI_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); GPIO_InitStruct.Pin = SPI2_ADS8866_MISO_Pin; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(SPI2_ADS8866_MISO_GPIO_Port, &GPIO_InitStruct); /* SPI2 DMA Init */ /* SPI2_RX Init */ hdma_spi2_rx.Instance = DMA1_Channel4; 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_HALFWORD; hdma_spi2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; hdma_spi2_rx.Init.Mode = DMA_NORMAL; hdma_spi2_rx.Init.Priority = DMA_PRIORITY_HIGH; 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_Channel5; 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_HALFWORD; hdma_spi2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; hdma_spi2_tx.Init.Mode = DMA_NORMAL; hdma_spi2_tx.Init.Priority = DMA_PRIORITY_HIGH; if (HAL_DMA_Init(&hdma_spi2_tx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(spiHandle,hdmatx,hdma_spi2_tx); /* USER CODE BEGIN SPI2_MspInit 1 */ /* USER CODE END SPI2_MspInit 1 */ } else if(spiHandle->Instance==SPI3) { /* USER CODE BEGIN SPI3_MspInit 0 */ /* USER CODE END SPI3_MspInit 0 */ /* SPI3 clock enable */ __HAL_RCC_SPI3_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /**SPI3 GPIO Configuration PB3 ------> SPI3_SCK PB4 ------> SPI3_MISO PB5 ------> SPI3_MOSI */ GPIO_InitStruct.Pin = SPI3_AD7793_SCK_Pin|SPI3_AD7793_MOSI_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); GPIO_InitStruct.Pin = SPI3_AD7793_MISO_Pin; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(SPI3_AD7793_MISO_GPIO_Port, &GPIO_InitStruct); /* USER CODE BEGIN SPI3_MspInit 1 */ /* USER CODE END SPI3_MspInit 1 */ } } void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle) { 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, SPI2_ADS8866_SCK_Pin|SPI2_ADS8866_MISO_Pin|SPI2_ADS8866_MOSI_Pin); /* SPI2 DMA DeInit */ HAL_DMA_DeInit(spiHandle->hdmarx); HAL_DMA_DeInit(spiHandle->hdmatx); /* USER CODE BEGIN SPI2_MspDeInit 1 */ /* USER CODE END SPI2_MspDeInit 1 */ } else if(spiHandle->Instance==SPI3) { /* USER CODE BEGIN SPI3_MspDeInit 0 */ /* USER CODE END SPI3_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_SPI3_CLK_DISABLE(); /**SPI3 GPIO Configuration PB3 ------> SPI3_SCK PB4 ------> SPI3_MISO PB5 ------> SPI3_MOSI */ HAL_GPIO_DeInit(GPIOB, SPI3_AD7793_SCK_Pin|SPI3_AD7793_MISO_Pin|SPI3_AD7793_MOSI_Pin); /* USER CODE BEGIN SPI3_MspDeInit 1 */ /* USER CODE END SPI3_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */