用VSIA如何访问usb端口啊?

kevinzcp

请大家帮一下忙啊?如果不用VSIA还有其它的什么方法没有啊?
<img src="attachments/dvbbs/2006-4/20064111938641303.bmp" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-4/20064111938641303.bmp\');}" onmousewheel="return imgzoom(this);" alt="" />

[此贴子已经被作者于2006-4-11 19:40:07编辑过]

cpubbs

<>如果你的设备提供它自身的DLL的话就可以用调用DLL的方式来做！一般的采集卡应该会提供的！</P>

odin

<>给你个网址,里面讲的挺清楚的!</P>
<><a href="http://zone.ni.com/devzone/conceptd.nsf/webmain/6792BAB18242082786256DD7006B6416" target="_blank" >http://zone.ni.com/devzone/conceptd.nsf/webmain/6792BAB18242082786256DD7006B6416</A></P>
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