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我试图通过UART与ST25R3911B-DISCO板连接。
基本上我想向读卡器发送命令,然后通过提供的UART接收响应。我计划将ST25R3911B-DISCO板连接到外部MCU,因此希望使用UART作为两者之间的接口标准。 我正在努力寻找关于如何通过电路板UART实现这一目标的文档。哪里可以找出使用什么波特率?是否有特定模式,ST25R3911B-DISCO板必须通过UART进行通信才能工作?还有哪些命令可用,以及可以从电路板UART获得什么类型的响应。 任何文档,帮助或指导帮助将不胜感激。 我拥有的标签是随附的标准ST25TA64K ST25R3911B-DISCO套件。 #st25r3911b-disco#i2c-and-uart#ndef-st25ta64k 以上来自于谷歌翻译 以下为原文 I am trying to interface with the ST25R3911B-DISCO board via UART. Basically I want to send commands to the reader and then receive the response via the provided UART. I am planning on connecting the ST25R3911B-DISCO board to an external MCU and thus want to use UART as the interfacing standard between the two. I am struggling to find documentation on on how this is possible via the boards UART. Where can one find out what baud rate to use? And Is there a specific mode in which the ST25R3911B-DISCO board must be in for communication via UART to work? Also what commands are available and what type of responses can be expected from the boards UART. Any documentation, assistance or pointers to help would be greatly appreciated. The tag I have is the stock standard ST25TA64K that came with the ST25R3911B-DISCO kit. #st25r3911b-disco #i2c-and-uart #ndef-st25ta64k |
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2个回答
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亲爱的斯蒂芬,
ST25R3911B-DISCO提供两个连接器,通过UART(P202)和I2C(P203)与STM32L4 MCU通信。您可以在UM2042用户手册中找到有关布局的信息。根据您要使用的UART端口,您可能需要关闭J201和J202。 从HW的角度来看 ST25R3911B-DISCO已准备好通过UART和I2C交换命令。 尽管如此,我们的固件尚未实现此功能。为此,您需要下载FW源( http://www.st.com/content/st_com/en/products/embedded-software/st25-nfc-rfid-software/stsw-st25r002.html )并根据您的需要添加功能。 X-NUCLEO-NFC05A1与NUCLEO-L476RG结合使用,已经实现了一些基本的ST-LINK-VCP-UART记录功能。 BR Travis 以上来自于谷歌翻译 以下为原文 Dear Stephen, The ST25R3911B-DISCO provides two connectors to communicate with the STM32L4 MCU via UART (P202) and I2C (P203). You can find information about the layout in the user manual UM2042. Dependent on the UART port you want to use, you may need to close J201 and J202. From HW point of view the ST25R3911B-DISCO is ready to exchange commands via UART and I2C. Nevertheless this functionality has not been implemented in our firmware. In order to do so, you will need to download the FW sources ( http://www.st.com/content/st_com/en/products/embedded-software/st25-nfc-rfid-software/stsw-st25r002.html ) and add the functionality according to your needs. The X-NUCLEO-NFC05A1 in combination with a NUCLEO-L476RG already has some basic ST-LINK-VCP-UART logging functionality implemented. BR Travis |
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嗨特拉维斯,
谢谢你的快速回复!我将查看固件,看看我是否可以在以后添加UART功能 以上来自于谷歌翻译 以下为原文 Hi Travis, Thank you for the speedy reply! I will have a look at the firmware and see if I can add the UART functionality at a later stage |
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