This should get you started. You're need to go to figure out your data format, and you're going to need to go through the data, most likely with a snooper.
http://www.nabble.com/Using-pyusb-td16164343.html --Michael On Mon, May 12, 2008 at 8:03 PM, Downbound <[EMAIL PROTECTED]> wrote: > > I'm trying to make an interface between my weather station and my linux > server however the only output the weather station has is USB. Further, > there are only windows drivers for this Honeywell weather station. Thus, > I'm > trying to use Python and pyUSB to interface. I THINK i've gotten pretty > close. It appears the device is identifying as an Unknown Product by Tenx > Technology, Inc. on USB 1.10. I can gleen all the information about the > device that you can get from 'configurations' but I'm stuck on the next > step. . Reading. Now, I'm betting the device simply is dumping packets > just > like the serial device would on all other weather stations I've > encountered. > However, I'm not SURE. I've pasted my code below but I'm getting this > error: > "usb.USBError: error submitting URB: Device or resource busy" > > Anyone have any thoughts or suggestions on where I should go from here. . > This is my first shot at PyUSB if you hadn't noticed. > > import re, sys, usb, string > > class DeviceDescriptor: > def __init__(self): > 1 > > def getDevice(self): > buses = usb.busses() > for bus in buses: > for device in bus.devices: > if hex(device.idVendor)[2:] == '1130': > print 'Device Found: > %s:%s'%(hex(device.idVendor),hex(device.idProduct)) > return device > print 'FAILED TO FIND THE WEATHER STATION!' > return None > > class main: > > def __init__(self): > self.device_descriptor = DeviceDescriptor() > self.device = self.device_descriptor.getDevice() > self.handle = self.device.open() > > def close(self): > self.handle.releaseInterface() > > def getDataPacket(self, bytesToGet): > #self.handle.bulkWrite(1,"v"+(7)*"Z",1000) > return self.handle.interruptRead(0x81,3,1000) > > > if __name__ == "__main__": > data = main() > print data.getDataPacket(10) > -- > View this message in context: > http://www.nabble.com/pyUSB-linux-%2B-unknown-device-tp17198596p17198596.html > Sent from the Python - tutor mailing list archive at Nabble.com. > > _______________________________________________ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/listinfo/tutor > -- Michael Langford Phone: 404-386-0495 Consulting: http://www.RowdyLabs.com
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