thanks very much!
Grant Edwards wrote: > On 2007-11-07, Paul Sijben <[EMAIL PROTECTED]> wrote: > >> To automate/ease configuration in my app I am trying to find >> out to which serial port a certain bluetooth device is >> connected. With pybluez I can find out which bluetooth devices >> I have, but it will not tell me the serial port they are >> mapped to. >> >> Is there a way to figure this out from python? (I am >> insterested in the platforms WinXP and linux primarily) > > Under linux, the "right" thing to do is to write a udev rule so > that the device has a predictiable name (or symlink). > > http://reactivated.net/writing_udev_rules.html > > If you don't want to write a udev rule, you'll need to bascally > re-implement udev by parsing the sysfs directory tree until you > find the device you're looking for. Here's how to do it for USB > (I assume BT works in a similar fashion). > > Let's say I know the device has vendor ID 0403, product ID > 6001, and serial number 123456. > > I search through the directories under /sys/devices until I > find a directory containing three files named > > idProduct > idVendor > serial > > Which contain the three strings I'm looking for. > > In this case: > > # cat /sys/devices/pci0000:00/0000:00:10.3/usb5/5-1/idVendor > 0403 > # cat /sys/devices/pci0000:00/0000:00:10.3/usb5/5-1/idProduct > 6001 > # cat /sys/devices/pci0000:00/0000:00:10.3/usb5/5-1/serial > 12345678 > > Once you've found that directory, you can look at the other > entries to find out whatever you want to know about the device: > > /sys/devices/pci0000:00/0000:00:10.3/usb5/5-1/ > |-- 5-1:1.0 > | |-- bAlternateSetting > | |-- bInterfaceClass > | |-- bInterfaceNumber > | |-- bInterfaceProtocol > | |-- bInterfaceSubClass > | |-- bNumEndpoints > | |-- bus -> ../../../../../../bus/usb > | |-- driver -> ../../../../../../bus/usb/drivers/ftdi_sio > | |-- ep_02 -> > ../../../../../../devices/pci0000:00/0000:00:10.3/usb5/5-1/5-1:1.0/usbdev5.42_ep02 > | |-- ep_81 -> > ../../../../../../devices/pci0000:00/0000:00:10.3/usb5/5-1/5-1:1.0/usbdev5.42_ep81 > | |-- interface > | |-- modalias > | |-- power > | | |-- state > | | `-- wakeup > | |-- subsystem -> ../../../../../../bus/usb > | |-- ttyUSB0 > | | |-- bus -> ../../../../../../../bus/usb-serial > | | |-- driver -> ../../../../../../../bus/usb-serial/drivers/ftdi_sio > | | |-- power > | | | |-- state > | | | `-- wakeup > | | |-- subsystem -> ../../../../../../../bus/usb-serial > | | |-- tty:ttyUSB0 -> ../../../../../../../class/tty/ttyUSB0 > | | `-- uevent > | |-- uevent > | |-- usb_endpoint:usbdev5.42_ep02 -> > ../../../../../../devices/pci0000:00/0000:00:10.3/usb5/5-1/5-1:1.0/usbdev5.42_ep02 > | |-- usb_endpoint:usbdev5.42_ep81 -> > ../../../../../../devices/pci0000:00/0000:00:10.3/usb5/5-1/5-1:1.0/usbdev5.42_ep81 > | |-- usbdev5.42_ep02 > | | |-- bEndpointAddress > | | |-- bInterval > | | |-- bLength > | | |-- bmAttributes > | | |-- dev > | | |-- device -> > ../../../../../../../devices/pci0000:00/0000:00:10.3/usb5/5-1/5-1:1.0 > | | |-- direction > | | |-- interval > | | |-- power > | | | |-- state > | | | `-- wakeup > | | |-- subsystem -> ../../../../../../../class/usb_endpoint > | | |-- type > | | |-- uevent > | | `-- wMaxPacketSize > | `-- usbdev5.42_ep81 > | |-- bEndpointAddress > | |-- bInterval > | |-- bLength > | |-- bmAttributes > | |-- dev > | |-- device -> > ../../../../../../../devices/pci0000:00/0000:00:10.3/usb5/5-1/5-1:1.0 > | |-- direction > | |-- interval > | |-- power > | | |-- state > | | `-- wakeup > | |-- subsystem -> ../../../../../../../class/usb_endpoint > | |-- type > | |-- uevent > | `-- wMaxPacketSize > |-- bConfigurationValue > |-- bDeviceClass > |-- bDeviceProtocol > |-- bDeviceSubClass > |-- bMaxPacketSize0 > |-- bMaxPower > |-- bNumConfigurations > |-- bNumInterfaces > |-- bcdDevice > |-- bmAttributes > |-- bus -> ../../../../../bus/usb > |-- configuration > |-- devnum > |-- driver -> ../../../../../bus/usb/drivers/usb > |-- ep_00 -> > ../../../../../devices/pci0000:00/0000:00:10.3/usb5/5-1/usbdev5.42_ep00 > |-- event_char > |-- idProduct > |-- idVendor > |-- manufacturer > |-- maxchild > |-- power > | |-- state > | `-- wakeup > |-- product > |-- serial > |-- speed > |-- subsystem -> ../../../../../bus/usb > |-- uevent > |-- usb_device:usbdev5.42 -> ../../../../../class/usb_device/usbdev5.42 > |-- usb_endpoint:usbdev5.42_ep00 -> > ../../../../../devices/pci0000:00/0000:00:10.3/usb5/5-1/usbdev5.42_ep00 > |-- usbdev5.42_ep00 > | |-- bEndpointAddress > | |-- bInterval > | |-- bLength > | |-- bmAttributes > | |-- dev > | |-- device -> ../../../../../../devices/pci0000:00/0000:00:10.3/usb5/5-1 > | |-- direction > | |-- interval > | |-- power > | | |-- state > | | `-- wakeup > | |-- subsystem -> ../../../../../../class/usb_endpoint > | |-- type > | |-- uevent > | `-- wMaxPacketSize > `-- version > > > If you want to search by something other than the product id, > vendor id and serial number, then pick some other of the files > above that will have identifiable contents and look for that. > -- http://mail.python.org/mailman/listinfo/python-list
