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04-01-2012 01:41 AM
求问各位高手，我现在用labview和c8051f320单片机usb通信，用VISA创建驱动，现在设备已经能够识别了，但是用MAX或LabVIEW调试的时候出问题：主机给单片机写数据时，每写两次只能成功一次，另一次显示超时；读数据时，总也读不了，显示超时。读写数据都是个位数字节，不存在数据量大的问题。同样程序，用别的驱动在C++写的上位机程序中没有问题。
05-20-2012 07:12 AM
你的us通信做好了吗？
05-21-2012 02:12 AM
it's all right now, but not with VISA. sorry i can not type chinese now.
05-21-2012 04:55 AM
use the faction in labwindows ? can you give me some help ? and share the thought of the program thank you !!!!!!
05-22-2012 12:19 AM
用visa我一直没调成，最后用了单片机厂家自带的工具包和驱动。在labview里用调用dll的方法调用厂家工具包里的函数
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