Hi Paul, thanks for playing around .... ;)
Am Samstag, den 08.05.2010, 08:09 -0400 schrieb Paul Alfille: > Playing with an adapter: > > OWFS: > bus.0/interface/settings/address = "005/040" > > lshal: > udi= 'org/freedesktop/Hal/devices/usb_device_4fa_2490_noserial' > .... > usb.device.bus_number = 5 > usb.device.linux.device.number = 40 > > lsusb: > Bus 005 Device 040: ID 04fa:2490 Dallas Semiconductor DS1490F 2-in-1 > Fob, 1-Wire adapter > > Note that 04fa is the vendor number and 2490 the device number. > > So we can link the device as seen by OWFS with the device as > enumerated by Hal ( and presumably DBUS ). > The question is can you identify a physical DS9490R device and it's > bus with a particular bus/device number combination? I can't figure > out how to do that. > > Taking a step back, does it really matter which interface (bus master) > is which? All the sensors are uniquely identified. > > In any case, I can add a feature to identify the USB > bus_number/Device_number pair to use on the command line.. What do you > think of: > > -u 5/40 > or > -u 5:40 thumbs up for this too ;) > (for the device as seen above.) > > ----------------------------- > > Test with 2 DS9490s > > lsusb: > Bus 001 Device 006: ID 04fa:2490 Dallas Semiconductor DS1490F 2-in-1 > Fob, 1-Wire adapter > Bus 001 Device 005: ID 04fa:2490 Dallas Semiconductor DS1490F 2-in-1 > Fob, 1-Wire adapter > > lshal: (partial) > udi = '/org/freedesktop/Hal/devices/usb_device_4fa_2490_noserial_0' > info.udi = '/org/freedesktop/Hal/devices/usb_device_4fa_2490_noserial_0' > (string) > linux.device_file = '/dev/bus/usb/001/006' (string) > linux.sysfs_path = > '/sys/devices/pci0000:00/0000:00:0c.2/usb1/1-4/1-4.1' (string) > usb_device.bus_number = 1 (0x1) (int) > usb_device.linux.device_number = 6 (0x6) (int) > usb_device.linux.sysfs_path = > '/sys/devices/pci0000:00/0000:00:0c.2/usb1/1-4/1-4.1' (string) > > udi = '/org/freedesktop/Hal/devices/usb_device_4fa_2490_noserial_0_if0' > info.udi = '/org/freedesktop/Hal/devices/usb_device_4fa_2490_noserial_0_if0' > (string) > linux.sysfs_path = > '/sys/devices/pci0000:00/0000:00:0c.2/usb1/1-4/1-4.1/1-4.1:1.0' > (string) > usb.bus_number = 1 (0x1) (int) > usb.linux.device_number = 6 (0x6) (int) > usb.linux.sysfs_path = > '/sys/devices/pci0000:00/0000:00:0c.2/usb1/1-4/1-4.1/1-4.1:1.0' > (string) > (no linux.device_file for this entry) it's a little bit late now, but i would expect the latter entry to have a usb.linux.device_number = 5 ... or the former ... but i doubt that they could have the same device_numer when lsusb tells us that they are different ... however, the missing linux.device_file entry and the _if0 prefix in the udi maybe make me presume that hal thinks that the latter is a subdevice (hence same device_number and if0 ... interface0 ... ?!?) of the former ... which doesnt really make sense to me ;) > So HAL adds a unique identifier, but it's unclear how it's generated. well, i think it just enumerates when it doesnt find any usb serial number ... i think this has to be investigated further ... anyway, i have another home-brewn 2490 adapter here - i will try to figure out things tomorrow ... good job anyway !!! - and sorry for my late reply - i was very busy the last days ... ;) regards, marcus. ------------------------------------------------------------------------------ _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers
