On Mon, Apr 19, 2010 at 7:57 AM, Xiaofan Chen <xiaof...@gmail.com> wrote:
> I said that the 0.4.2 example works in the legacy mode. But it is
> using the 1.0 backend as you mentioned.
How do I force usb.legacy to use the libusb01 backend?
I add a few lines in the 0.4.2 example and it still works fine.
Can I say that it is using libusb01 backend and it seems only
the custom matching function is not working properly?
#!/usr/bin/env python
#
# Enumerate usb devices
#
#Copyright 2005 - 2007 Wander Lairson Costa
import usb.core
import usb.backend.libusb01
b = usb.backend.libusb01.get_backend()
assert b is not None
import usb.legacy
busses = usb.busses()
for bus in busses:
devices = bus.devices
for dev in devices:
print "Device:", dev.filename
print " Device class:",dev.deviceClass
print " Device sub class:",dev.deviceSubClass
print " Device protocol:",dev.deviceProtocol
print " Max packet size:",dev.maxPacketSize
print " idVendor: %d (0x%04x)" % (dev.idVendor, dev.idVendor)
print " idProduct: %d (0x%04x)" % (dev.idProduct,
dev.idProduct)
print " Device Version:",dev.deviceVersion
for config in dev.configurations:
print " Configuration:", config.value
print " Total length:", config.totalLength
print " selfPowered:", config.selfPowered
print " remoteWakeup:", config.remoteWakeup
print " maxPower:", config.maxPower
for intf in config.interfaces:
print " Interface:",intf[0].interfaceNumber
for alt in intf:
print " Alternate
Setting:",alt.alternateSetting
print " Interface
class:",alt.interfaceClass
print " Interface sub
class:",alt.interfaceSubClass
print " Interface
protocol:",alt.interfaceProtocol
for ep in alt.endpoints:
print "
Endpoint:",hex(ep.address)
print " Type:",ep.type
print " Max packet
size:",ep.maxPacketSize
print "
Interval:",ep.interval
[mc...@myfreebsd ~/Desktop/build/pyusb/pyusb-0.4.2/samples]$ python
usbenum_libusb01.py
Device:
Device class: 9
Device sub class: 0
Device protocol: 0
Max packet size: 64
idVendor: 0 (0x0000)
idProduct: 0 (0x0000)
Device Version: 256
Configuration: 1
Total length: 25
selfPowered: 1
remoteWakeup: 0
maxPower: 0
Interface: 0
Alternate Setting: 0
Interface class: 9
Interface sub class: 0
Interface protocol: 0
Endpoint: 0x81
Type: 3
Max packet size: 32
Interval: 255
Device:
Device class: 9
Device sub class: 0
Device protocol: 1
Max packet size: 64
idVendor: 0 (0x0000)
idProduct: 0 (0x0000)
Device Version: 256
Configuration: 1
Total length: 25
selfPowered: 1
remoteWakeup: 0
maxPower: 0
Interface: 0
Alternate Setting: 0
Interface class: 9
Interface sub class: 0
Interface protocol: 0
Endpoint: 0x81
Type: 3
Max packet size: 8
Interval: 255
Device:
Device class: 0
Device sub class: 0
Device protocol: 0
Max packet size: 8
idVendor: 1423 (0x058f)
idProduct: 37728 (0x9360)
Device Version: 256
Configuration: 1
Total length: 32
selfPowered: 0
remoteWakeup: 0
maxPower: 200
Interface: 0
Alternate Setting: 0
Interface class: 8
Interface sub class: 6
Interface protocol: 80
Endpoint: 0x1
Type: 2
Max packet size: 64
Interval: 0
Endpoint: 0x82
Type: 2
Max packet size: 64
Interval: 0
Device:
Device class: 0
Device sub class: 0
Device protocol: 0
Max packet size: 8
idVendor: 1133 (0x046d)
idProduct: 49236 (0xc054)
Device Version: 21504
Configuration: 1
Total length: 34
selfPowered: 0
remoteWakeup: 1
maxPower: 196
Interface: 0
Alternate Setting: 0
Interface class: 3
Interface sub class: 1
Interface protocol: 2
Endpoint: 0x81
Type: 3
Max packet size: 6
Interval: 10
Device:
Device class: 0
Device sub class: 0
Device protocol: 0
Max packet size: 8
idVendor: 2341 (0x0925)
idProduct: 5206 (0x1456)
Device Version: 1
Configuration: 1
Total length: 46
selfPowered: 1
remoteWakeup: 0
maxPower: 200
Interface: 0
Alternate Setting: 0
Interface class: 255
Interface sub class: 255
Interface protocol: 255
Endpoint: 0x1
Type: 2
Max packet size: 64
Interval: 0
Endpoint: 0x81
Type: 2
Max packet size: 64
Interval: 0
Endpoint: 0x2
Type: 3
Max packet size: 8
Interval: 10
Endpoint: 0x82
Type: 3
Max packet size: 8
Interval: 10
--
Xiaofan http://mcuee.blogspot.com
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