On 05/03/2013 06:48 PM, Wander Lairson Costa wrote: > 2013/5/3 I Rabkina <irina.rabk...@gmail.com>: >> Hello, >> >> I am just getting started with pyusb. I need it to send an high/low signal >> to a DAQ box using USB. Unfortunately, I am coming across a problem within >> the first few lines of code. Specifically, pyusb can't find the device. I >> assumed that the error was from having incorrect IDs, but I've checked with >> the manufacturer and they are correct. Am I doing something incorrect with >> the code or does pyusb not support this kind of device? The code I'm using >> is below. >> >> import usb.core >> import usb.util >> >> #find the device >> dev = usb.core.find (idVendor=1307, idProduct=0x82) >> >> if dev is None: >> raise ValueError ('DAQ not found') >> >> dev.set_configuration() >>
Really? You reallllly mean to use hex for one and decimal for the other? You may have checked with the manufacturer, but that seems like a needlessly confusing way to do things if deliberate.... Cheers, Karl P ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite It's a free troubleshooting tool designed for production Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://p.sf.net/sfu/appdyn_d2d_ap2 _______________________________________________ pyusb-users mailing list pyusb-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pyusb-users