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PXIe-7820R

用VeriStand调用PXIe-7820R端口的时候需要重新配置一下config文件,但是用Labview配置好通道后编译后生成BIT文件,之后用XML文件描述调用这个BIT文件,再之后在VeriStand里面调用这个XML文件后就可以在Veristand里面调用到PXIe-7820R的端口,但是在VeriStand里面调用到端口采集数据的时候,发现端口没有高低电平信号的时候也会一直跳变,想问一下是什么原因,或者有没有大家写好的PXIe-7820R的端口调用文件。

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请问您是使用了专为NI VeriStand使用,包含了VeriStand DMA功能的lvbitx文件吗?

 

如果是普通的lvbitx文件,可以通过FPGA Custom Device调用:

https://github.com/NIVeriStandAdd-Ons/FPGA-Custom-Device

注意:该Custom Device非NI官方支持。

 

如果需要创建为NI VeriStand使用的lvbitx文件,请参考:

为​NI VeriStand​创建​基于​FPGA​的​I/​O​特性 - https://www.ni.com/zh-cn/innovations/white-papers/09/creating-fpga-based-i-o-personalities-for-ni-ve...

 

您需要安装以下工具:

NI VeriStand FPGA-Based I/O Interface Tools - https://forums.ni.com/t5/NI-Labs-Toolkits/NI-VeriStand-FPGA-Based-I-O-Interface-Tools/ta-p/3493285?p...

 

NI VeriStand 自带NI VeriStand IO PXI-7831R的范例,可以从这里进行移植和修改:

Creating a Custom FPGA Bitfile

http://zone.ni.com/reference/en-XX/help/372846M-01/veristandmerge/creating_custom_fpga/

 

Senior Technical Support Engineer | CLD CTA | NI


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