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167 lines
5.6 KiB
167 lines
5.6 KiB
/** |
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****************************************************************************** |
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* File Name : SPI.c |
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* Description : This file provides code for the configuration |
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* of the SPI instances. |
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****************************************************************************** |
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* This notice applies to any and all portions of this file |
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* that are not between comment pairs USER CODE BEGIN and |
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* USER CODE END. Other portions of this file, whether |
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* inserted by the user or by software development tools |
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* are owned by their respective copyright owners. |
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* |
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* Copyright (c) 2018 STMicroelectronics International N.V. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted, provided that the following conditions are met: |
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* |
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* 1. Redistribution of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* 3. Neither the name of STMicroelectronics nor the names of other |
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* contributors to this software may be used to endorse or promote products |
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* derived from this software without specific written permission. |
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* 4. This software, including modifications and/or derivative works of this |
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* software, must execute solely and exclusively on microcontroller or |
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* microprocessor devices manufactured by or for STMicroelectronics. |
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* 5. Redistribution and use of this software other than as permitted under |
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* this license is void and will automatically terminate your rights under |
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* this license. |
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* |
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* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A |
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY |
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT |
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* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************** |
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*/ |
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/* Includes ------------------------------------------------------------------*/ |
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#include "spi.h" |
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#include "gpio.h" |
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#include "dma.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_tx; |
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/* SPI1 init function */ |
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void MX_SPI1_Init(void) |
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{ |
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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_LOW; |
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hspi1.Init.CLKPhase = SPI_PHASE_1EDGE; |
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hspi1.Init.NSS = SPI_NSS_SOFT; |
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hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8; |
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hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; |
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hspi1.Init.TIMode = SPI_TIMODE_DISABLE; |
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hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; |
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hspi1.Init.CRCPolynomial = 10; |
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if (HAL_SPI_Init(&hspi1) != HAL_OK) |
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{ |
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_Error_Handler(__FILE__, __LINE__); |
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} |
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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; |
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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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/**SPI1 GPIO Configuration |
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PA5 ------> SPI1_SCK |
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PA7 ------> SPI1_MOSI |
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*/ |
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GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_7; |
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; |
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; |
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); |
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/* SPI1 DMA Init */ |
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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.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_BYTE; |
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hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; |
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hdma_spi1_tx.Init.Mode = DMA_CIRCULAR; |
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hdma_spi1_tx.Init.Priority = DMA_PRIORITY_VERY_HIGH; |
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if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK) |
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{ |
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_Error_Handler(__FILE__, __LINE__); |
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} |
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__HAL_LINKDMA(spiHandle,hdmatx,hdma_spi1_tx); |
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/* USER CODE BEGIN SPI1_MspInit 1 */ |
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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 |
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PA5 ------> SPI1_SCK |
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PA7 ------> SPI1_MOSI |
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*/ |
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HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_7); |
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/* SPI1 DMA DeInit */ |
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HAL_DMA_DeInit(spiHandle->hdmatx); |
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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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/** |
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* @} |
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*/ |
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/** |
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* @} |
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*/ |
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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