LabVIEW调用usb驱动程序的dll读取数据并波形显示储存截取及处理 -Call LabVIEW dll usb driver reads the data and waveform display storage and handling of intercepted

usb6008 ni公司的数模转换器，用usb连接电脑，labview程序实现检测io口输入数据的波形，还需要完善-usb6008 ni s DAC, with the usb connected to the computer, labview procedures to achieve detection io port input waveform data, also need to improve