公司买了几台破国产仪器，是用CH372/375 USB通信控制,NI-MAX一直识别不了设备，没办法直接用VISA，只能从DLL入手，研究了CH372/375驱动源码，对LabView与C的数据类型有了更深的了解。厂家给的SCPI 命令也是稀烂，仪器出厂编号都获取不了。仿照VISA,一共6个子vi: CH375OpenDevice.vi CH375CloseDevice.vi CH375SetTimeout.vi CH375WriteData.vi CH375ReadData.vi