tianjialong
2 years ago
9 changed files with 64 additions and 248 deletions
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26app/.mxproject
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6app/Core/Inc/main.h
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52app/Core/Inc/spi.h
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2app/Core/Inc/stm32l4xx_hal_conf.h
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16app/Core/Src/gpio.c
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2app/Core/Src/main.c
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128app/Core/Src/spi.c
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43app/MDK-ARM/app.uvprojx
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37app/app.ioc
26
app/.mxproject
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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) 2023 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_SPI1_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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@ -1,128 +0,0 @@ |
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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) 2023 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 "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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/* SPI1 init function */ |
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void MX_SPI1_Init(void) |
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{ |
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/* USER CODE BEGIN SPI1_Init 0 */ |
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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_16BIT; |
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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_64; |
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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 = 7; |
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hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE; |
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hspi1.Init.NSSPMode = SPI_NSS_PULSE_DISABLE; |
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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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/**SPI1 GPIO Configuration |
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PA1 ------> 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 = GPIO_PIN_1|GPIO_PIN_6; |
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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(GPIOA, &GPIO_InitStruct); |
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GPIO_InitStruct.Pin = GPIO_PIN_7; |
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; |
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GPIO_InitStruct.Pull = GPIO_PULLUP; |
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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(GPIOA, &GPIO_InitStruct); |
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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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PA1 ------> 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(GPIOA, GPIO_PIN_1|GPIO_PIN_6|GPIO_PIN_7); |
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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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