/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file spi.c * @brief This file provides code for the configuration * of the SPI instances. ****************************************************************************** * @attention * * Copyright (c) 2022 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 "main.h" #include "spi.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ SPI_HandleTypeDef hspi1; DMA_HandleTypeDef hdma_spi1_rx; DMA_HandleTypeDef hdma_spi1_tx; /* SPI1 init function */ void MX_SPI_Init(void) { /* USER CODE BEGIN SPI1_Init 0 */ __HAL_RCC_SPI1_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /* 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_2; hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi1.Init.CRCPolynomial = 7; hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; if (HAL_SPI_Init(&hspi1) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN SPI1_Init 2 */ /* USER CODE END SPI1_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_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /** SPI1 GPIO Configuration WL55JC1-ACTIVE * PA4 SPI1_NSS * PA5 SPI1_SCK * PA6 SPI1_MISO * PA7 SPI1_MOSI */ GPIO_InitStruct.Pin = MEMS_SPI_MOSI_Pin; 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_SPI1; HAL_GPIO_Init(MEMS_SPI_MOSI_GPIO_Port, &GPIO_InitStruct); GPIO_InitStruct.Pin = MEMS_SPI_SCK_Pin; 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_SPI1; HAL_GPIO_Init(MEMS_SPI_SCK_GPIO_Port, &GPIO_InitStruct); #if 1 /* SPI1 DMA Init */ /* SPI1_RX Init */ hdma_spi1_rx.Instance = DMA1_Channel2; 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; if (HAL_DMA_Init(&hdma_spi1_rx) != HAL_OK) { Error_Handler(); } if (HAL_DMA_ConfigChannelAttributes(&hdma_spi1_rx, DMA_CHANNEL_NPRIV) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(spiHandle,hdmarx,hdma_spi1_rx); #endif #if 1 /* SPI1_TX Init */ hdma_spi1_tx.Instance = DMA1_Channel3; 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_HALFWORD; hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; hdma_spi1_tx.Init.Mode = DMA_NORMAL; hdma_spi1_tx.Init.Priority = DMA_PRIORITY_HIGH; if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK) { Error_Handler(); } #if 1 if (HAL_DMA_ConfigChannelAttributes(&hdma_spi1_tx, DMA_CHANNEL_NPRIV) != HAL_OK) { Error_Handler(); } #endif __HAL_LINKDMA(spiHandle,hdmatx,hdma_spi1_tx); /* SPI1 interrupt Init */ HAL_NVIC_SetPriority(SPI1_IRQn, 0, 0); HAL_NVIC_EnableIRQ(SPI1_IRQn); /* USER CODE BEGIN SPI1_MspInit 1 */ #endif /* USER CODE END SPI1_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 WL55JC1-ACTIVE * PA4 SPI1_NSS * PA5 SPI1_SCK * PA6 SPI1_MISO * PA7 SPI1_MOSI */ HAL_GPIO_DeInit(MEMS_SPI_MOSI_GPIO_Port, MEMS_SPI_MOSI_Pin); HAL_GPIO_DeInit(MEMS_SPI_SCK_GPIO_Port, MEMS_SPI_SCK_Pin); #if 1 /* SPI1 DMA DeInit */ HAL_DMA_DeInit(spiHandle->hdmarx); HAL_DMA_DeInit(spiHandle->hdmatx); #endif /* SPI1 interrupt Deinit */ HAL_NVIC_DisableIRQ(SPI1_IRQn); /* USER CODE BEGIN SPI1_MspDeInit 1 */ /* USER CODE END SPI1_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */