2011/2/6 The big chief <[email protected]>: > Hi USB peoples, >
[snip] > > I try the following code: > > > """ > Copied (partially) from: > > Read a MagTek USB HID Swipe Reader in Linux. A description of this > code can be found at: > http://www.micahcarrick.com/credit-card-reader-pyusb.html > > You must be using the new PyUSB 1.0 branch and not the 0.x branch. > > Copyright (c) 2010 - Micah Carrick > """ > > > import sys > import usb.core > import usb.util > > VENDOR_ID=0x18ef > PRODUCT_ID=0xe014 > DATA_SIZE=13 > > device = usb.core.find(idVendor=VENDOR_ID, idProduct=PRODUCT_ID) > > if device.is_kernel_driver_active(0): > try: > device.detach_kernel_driver(0) > except usb.core.USBError as e: > sys.exit("Could not detatch kernel driver: %s" % str(e)) > > try: > device.set_configuration() > device.reset() I think the problem is here, you reset the device After setup it. Comment out the "device.reset" line and test again. [snip] > > And got the following result: > > jdp@osse:~$ > jdp@osse:~$ sudo python > /net/gandalf/srv/home/jdp/komodo/fs20/src/test_libusb10_a.py > Send a code... > Try to read... 129 48 > Erreur de segmentation > jdp@osse:~$ > Anyway, there is no reason for a segmentation fault. Please, set the env variavle PYUSB_DEBUG_LEVEL=debug, running it again and send us the output. -- Best Regards, Wander Lairson Costa LCoN - Laboratório de Computação Natural - Natural Computing Laboratory (http://www.mackenzie.com.br/lcon.html) Programa de Pós-Graduação em Engenharia Elétrica (PPGEE) Faculdade de Computação e Informática (FCI) Universidade Presbiteriana Mackenzie - SP - Brazil ------------------------------------------------------------------------------ The modern datacenter depends on network connectivity to access resources and provide services. The best practices for maximizing a physical server's connectivity to a physical network are well understood - see how these rules translate into the virtual world? http://p.sf.net/sfu/oracle-sfdevnlfb _______________________________________________ pyusb-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/pyusb-users
