[问答]

无法使STM32F205的SPI通信正常工作

问答对人有帮助，内容完整，我也想知道答案 0 嗨，我正在使用HTS221湿度和温度传感器以及STM32F205。它们通过SPI总线连接，但我无法使STM32F205的SPI通信正常工作。任何人都可以推荐一些已知可以为这种设备组合工作的示例代码吗？谢谢，道格伯瑞尔＃hts221 以上来自于谷歌翻译以下为原文 hi, I'm using the HTS221 humidity and temperature sensor along with the STM32F205. They are connected over the SPI bus but I am unable to get the STM32F205's SPI communications working correctly. Can anyone recommend some known to work sample code for this combination of devices? Thanks, Doug Burrell #hts221 0
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答案对人有帮助，有参考价值 0 嗨，遵循STM32L1xx系列的SPI层实现示例。首先，您必须从ST网站下载HTS221驱动程序： https://my.st.com/content/my_st_com/en/products/embedded-software/mems-and-sensors-software/drivers-for-mems/stsw-mems035.html# 1.在HTS221_Driver.h中，您必须重新映射以下用于I2C的函数 #define HTS221_ReadReg（RegAddr，NumByteToRead，Data）HAL_ReadReg（HTS221_I2C_ADDRESS，RegAddr，NumByteToRead，Data） #define HTS221_WriteReg（RegAddr，NumByteToWrite，Data）HAL_WriteReg（HTS221_I2C_ADDRESS，RegAddr，NumByteToWrite，Data）有以下几点 #define HTS221_ReadReg（RegAddr，NumByteToRead，Data）HAL_ReadReg_SPI（RegAddr，NumByteToRead，Data） #define HTS221_WriteReg（RegAddr，NumByteToWrite，Data）HAL_WriteReg_SPI（RegAddr，NumByteToWrite，Data） 2.用户必须正确地重新定义自己的HAL_ReadReg_SPI和HAL_WriteReg_SPI函数。此实现链接到使用的硬件和使用的库。附加了一个文件.txt，其中包含一个基于STM32L1xx_Spi标准库的SPI函数示例。您必须获得此示例并将其调整为STM32F205库。 3.用户必须根据所使用的hw正确初始化GPIO->配置3线SPI串行数据输入/输出（SDI / SDO），CLK和CHIP选择 4.用户必须根据使用的hw正确初始化SPI接口 - ＆gt;在.txt文件中，您可以找到一个示例：请参阅HAL_Init_SPI（）函数总结步骤如下： 1.初始化GPIO（基于hw） 2.初始化SPI（基于hw） 3.重新映射HTS221_Driver.h中的函数，包括文件自己的HAL_Implementation.h文件。 4.在OWN HAL_Implementation.c中，用户必须编写HAL_ReadReg_SPI和HAL_WriteReg_SPI的源代码（沿.txt文件中报告的示例行）问候安东内拉以上来自于谷歌翻译以下为原文 Hi, follows an SPI layer implementation example for STM32L1xx family. First of all you have to download the HTS221 drivers from ST website: https://my.st.com/content/my_st_com/en/products/embedded-software/mems-and-sensors-software/drivers-for-mems/stsw-mems035.html# 1. In HTS221_Driver.h you have to remap the following functions used for I2C #define HTS221_ReadReg(RegAddr, NumByteToRead, Data) HAL_ReadReg(HTS221_I2C_ADDRESS, RegAddr, NumByteToRead, Data) #define HTS221_WriteReg(RegAddr, NumByteToWrite, Data) HAL_WriteReg(HTS221_I2C_ADDRESS, RegAddr, NumByteToWrite, Data) With the following #define HTS221_ReadReg(RegAddr, NumByteToRead, Data) HAL_ReadReg_SPI (RegAddr, NumByteToRead, Data) #define HTS221_WriteReg(RegAddr, NumByteToWrite, Data) HAL_WriteReg_SPI( RegAddr, NumByteToWrite, Data) 2. The user must properly redefine the own HAL_ReadReg_SPI and HAL_WriteReg_SPI functions . This implementation is linked to the hardware used and to the library used. Attached a file .txt including an example for SPI functions based on STM32L1xx_Spi standard library. You have to get this example and adapt it for STM32F205 library. 3. The user must properly initialize GPIO according the hw used-> configure 3-wire SPI serial data input /output (SDI/SDO),CLK and CHIP Select 4. The user must properly initialize the SPI interface according the hw used -> In .txt file you can find an example: see HAL_Init_SPI() function Summarizing the steps are listed below: 1. Initialize GPIO (hw based) 2. Initialize SPI (hw based) 3. Remap functions in HTS221_Driver.h , including file own HAL_Implementation.h file. 4. In OWN HAL_Implementation.c ,the user must write the source code for HAL_ReadReg_SPI and HAL_WriteReg_SPI (Along the lines of the example reported in .txt file) Regards Antonella

2018-11-14 17:26:52 评论举报李代三