multi-touch-dev team mailing list archive

[Mathieu Virbel <tito@xxxxxxxxxx>]

$ python scan-for-mt-devices
Found device(s):
Acer T230H: /dev/input/event3


Works like a charm !

* Ara Pulido <ara.pulido@xxxxxxxxxxxxx> [2010-08-18 12:32:47]:

> Marc Tardif was kind enough to write the script in Python (which will
> make integration with apport much easier).
> 
> Can you guys try it with your hardware, please?
> 
> Thanks!
> Ara.
> 
> El 18/08/10 07:48, Rafi Rubin escribió:
> > Not present on 2.6.35-{14,15,16} for x86_64 on my xt.
> > 
> > $ cat /sys/class/input/event*/dev*/cap*/abs                     ~  1:14AM 
> > holly
> > 0
> > 0
> > 0
> > 0
> > 0
> > 0
> > 1000003
> > 73010000000003
> > 30000000003
> > 0
> > 0
> > 0
> > $ uname -a                                                      ~  1:15AM 
> > holly
> > Linux holly 2.6.35-15-generic #21-Ubuntu SMP Wed Aug 11 17:06:48 UTC 2010 
> > x86_64 GNU/Linux
> > 
> > 
> > I will start a 32b image download and will have to figure out a way to 
> > test multiple kernels.  I guess I can blow away swap or something for 
> > another install.
> > 
> > Nothing terribly obvious in the delta of the source for -13 -> -15 
> > (assuming I grabbed the correct git tree).
> > 
> > Anyway the functions in questions are input_bits_to_string 
> > (input.c:814ish) and input_print_bitmap (1218) or maybe 
> > input_seq_print_bitmap.
> > 
> > Anyway should be easy enough to figure out, and we probably should do to 
> > increase consistency.  However, it might also make sense to adjust the 
> > script to account for buggy kernels which might not get fixed before 
> > people start testing and asking questions.
> > 
> > Rafi
> > 
> > On Wed, Aug 18, 2010 at 12:58:20AM +0200, Mohamed Ikbel Boulabiar wrote:
> >> I have exactly the same cat output and the same kernel as Duncan with my hp tx2.
> >>
> >> ik.
> >>
> >> On Wed, Aug 18, 2010 at 12:56 AM, Duncan McGreggor
> >> <duncan.mcgreggor@xxxxxxxxxxxxx> wrote:
> >>>>> Henrik and Rafi,
> >>>>>
> >>>>> I've tried to use this script with the Lenovo T410s, and it fails. It
> >>>>> seems that the following N-trig device returns two integers instead of
> >>>>> the expected one integer:
> >>>>>
> >>>>> ? ?/sys/class/input/event10/device/capabilities/abs
> >>>>>
> >>>>> cat'ing it gives the following:
> >>>>>
> >>>>> ? ?730100 3
> >>>>
> >>>> That is a bit strange. ?What kernel version were you using at the time
> >>>> and do you have another kernel version installed?
> >>>>
> >>>> (wondering if its just a broken sprintf)
> >>>
> >>> ?$ uname -a
> >>> ?Linux bree 2.6.35-15-generic #21-Ubuntu SMP Wed Aug 11 16:41:40 UTC
> >>> 2010 i686 GNU/Linux
> >>
> >> _______________________________________________
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> >>
> > 
> > _______________________________________________
> > Mailing list: https://launchpad.net/~multi-touch-dev
> > Post to     : multi-touch-dev@xxxxxxxxxxxxxxxxxxx
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> #!/usr/bin/env python
> 
> import os
> import sys
> 
> from glob import glob
> from optparse import OptionParser
> 
> 
> class Event(object):
> 
>     def __init__(self, path):
>         self.path = path
> 
>     @property
>     def capabilities(self):
>         path = os.path.join(self.path, "device", "capabilities", "abs")
>         line = read_line(path)
>         capabilities = 0
>         for i, word in enumerate(line.split(" ")):
>             capabilities += int(word, 16) * 2^(i*4)
>         return capabilities
> 
>     @property
>     def device(self):
>         base = os.path.basename(self.path)
>         return os.path.join("/dev", "input", base)
> 
>     @property
>     def name(self):
>         path = os.path.join(self.path, "device", "name")
>         return read_line(path)
> 
> 
> def get_events(input):
>     event_glob = os.path.join(input, "event*")
>     for event_path in glob(event_glob):
>         yield Event(event_path)
> 
> def read_line(path):
>     f = open(path)
>     try:
>         return f.readline().strip()
>     finally:
>         f.close()
> 
> def main(args):
>     usage = "Usage: %prog [OPTIONS]"
>     parser = OptionParser(usage=usage)
>     parser.add_option("-i", "--input",
>         metavar="FILE",
>         default="/sys/class/input",
>         help="Input sysfs directory")
>     (options, args) = parser.parse_args(args)
> 
>     detected = False
>     for event in get_events(options.input):
>         if event.capabilities & 0x35:
>             if not detected:
>                 detected = True
>                 print "Found device(s):"
>             print "%s: %s" % (event.name, event.device)
> 
>     if not detected:
>         print "No MT-capable device found..."
>         return 1
> 
>     else:
>         return 0
> 
> if __name__ == "__main__":
>     sys.exit(main(sys.argv[1:]))

> _______________________________________________
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