add spi support
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file spi.h
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* @brief This file contains all the function prototypes for
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* the spi.c file
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __SPI_H__
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#define __SPI_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/* USER CODE BEGIN Includes */
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/* USER CODE END Includes */
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extern SPI_HandleTypeDef hspi1;
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/* USER CODE BEGIN Private defines */
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/* USER CODE END Private defines */
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void MX_SPI_Init(void);
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/* USER CODE BEGIN Prototypes */
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/* USER CODE END Prototypes */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SPI_H__ */
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/* USER CODE BEGIN Header */
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/**
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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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* Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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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 hspi1;
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DMA_HandleTypeDef hdma_spi1_rx;
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DMA_HandleTypeDef hdma_spi1_tx;
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/* SPI1 init function */
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void MX_SPI_Init(void)
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{
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/* USER CODE BEGIN SPI1_Init 0 */
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__HAL_RCC_SPI1_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/* USER CODE END SPI1_Init 0 */
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/* USER CODE BEGIN SPI1_Init 1 */
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/* USER CODE END SPI1_Init 1 */
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hspi1.Instance = SPI1;
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hspi1.Init.Mode = SPI_MODE_MASTER;
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hspi1.Init.Direction = SPI_DIRECTION_2LINES;
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hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;
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hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;
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hspi1.Init.NSS = SPI_NSS_SOFT;
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hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
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hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi1.Init.CRCPolynomial = 7;
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hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
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if (HAL_SPI_Init(&hspi1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN SPI1_Init 2 */
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/* USER CODE END SPI1_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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if(spiHandle->Instance==SPI1)
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{
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/* USER CODE BEGIN SPI1_MspInit 0 */
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/* USER CODE END SPI1_MspInit 0 */
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/* SPI1 clock enable */
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__HAL_RCC_SPI1_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/** SPI1 GPIO Configuration WL55JC1-ACTIVE
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* PA4 SPI1_NSS
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* PA5 SPI1_SCK
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* PA6 SPI1_MISO
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* PA7 SPI1_MOSI
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*/
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GPIO_InitStruct.Pin = MEMS_SPI_MOSI_Pin;
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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_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
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HAL_GPIO_Init(MEMS_SPI_MOSI_GPIO_Port, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = MEMS_SPI_SCK_Pin;
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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_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
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HAL_GPIO_Init(MEMS_SPI_SCK_GPIO_Port, &GPIO_InitStruct);
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#if 1
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/* SPI1 DMA Init */
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/* SPI1_RX Init */
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hdma_spi1_rx.Instance = DMA1_Channel2;
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hdma_spi1_rx.Init.Request = DMA_REQUEST_SPI1_RX;
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hdma_spi1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
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hdma_spi1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_spi1_rx.Init.MemInc = DMA_MINC_ENABLE;
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hdma_spi1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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hdma_spi1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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hdma_spi1_rx.Init.Mode = DMA_NORMAL;
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hdma_spi1_rx.Init.Priority = DMA_PRIORITY_LOW;
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if (HAL_DMA_Init(&hdma_spi1_rx) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_DMA_ConfigChannelAttributes(&hdma_spi1_rx, DMA_CHANNEL_NPRIV) != HAL_OK)
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{
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Error_Handler();
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}
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__HAL_LINKDMA(spiHandle,hdmarx,hdma_spi1_rx);
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#endif
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#if 1
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/* SPI1_TX Init */
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hdma_spi1_tx.Instance = DMA1_Channel3;
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hdma_spi1_tx.Init.Request = DMA_REQUEST_SPI1_TX;
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hdma_spi1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
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hdma_spi1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_spi1_tx.Init.MemInc = DMA_MINC_ENABLE;
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hdma_spi1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
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hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
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hdma_spi1_tx.Init.Mode = DMA_NORMAL;
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hdma_spi1_tx.Init.Priority = DMA_PRIORITY_HIGH;
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if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK)
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{
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Error_Handler();
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}
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#if 1
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if (HAL_DMA_ConfigChannelAttributes(&hdma_spi1_tx, DMA_CHANNEL_NPRIV) != HAL_OK)
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{
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Error_Handler();
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}
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#endif
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__HAL_LINKDMA(spiHandle,hdmatx,hdma_spi1_tx);
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/* SPI1 interrupt Init */
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HAL_NVIC_SetPriority(SPI1_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(SPI1_IRQn);
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/* USER CODE BEGIN SPI1_MspInit 1 */
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#endif
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/* USER CODE END SPI1_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==SPI1)
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{
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/* USER CODE BEGIN SPI1_MspDeInit 0 */
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/* USER CODE END SPI1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SPI1_CLK_DISABLE();
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/** SPI1 GPIO Configuration WL55JC1-ACTIVE
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* PA4 SPI1_NSS
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* PA5 SPI1_SCK
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* PA6 SPI1_MISO
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* PA7 SPI1_MOSI
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*/
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HAL_GPIO_DeInit(MEMS_SPI_MOSI_GPIO_Port, MEMS_SPI_MOSI_Pin);
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HAL_GPIO_DeInit(MEMS_SPI_SCK_GPIO_Port, MEMS_SPI_SCK_Pin);
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#if 1
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/* SPI1 DMA DeInit */
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HAL_DMA_DeInit(spiHandle->hdmarx);
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HAL_DMA_DeInit(spiHandle->hdmatx);
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#endif
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/* SPI1 interrupt Deinit */
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HAL_NVIC_DisableIRQ(SPI1_IRQn);
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/* USER CODE BEGIN SPI1_MspDeInit 1 */
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/* USER CODE END SPI1_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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