input/devices/ntrig.rst

4 N-Trig touchscreen Driver
7 :Copyright: |copy| 2008-2010 Rafi Rubin <rafi@seas.upenn.edu>
8 :Copyright: |copy| 2009-2010 Stephane Chatty
10 This driver provides support for N-Trig pen and multi-touch sensors.  Single
11 and multi-touch events are translated to the appropriate protocols for
12 the hid and input systems.  Pen events are sufficiently hid compliant and
13 are left to the hid core.  The driver also provides additional filtering
16 This driver has been reported to work properly with multiple N-Trig devices
21 ----------
29 +-----------------------+-----------------------------------------------------+
31 +-----------------------+-----------------------------------------------------+
34 +-----------------------+-----------------------------------------------------+
37 +-----------------------+-----------------------------------------------------+
39 |			|propagating the end of activity events		      |
40 +-----------------------+-----------------------------------------------------+
50 ----------------------
54 +-----------------------+-----------------------------------------------------+
57 +-----------------------+-----------------------------------------------------+
60 +-----------------------+-----------------------------------------------------+
62 All N-Trig devices with product id of 1 report events in the ranges of
64 * X: 0-9600
65 * Y: 0-7200
74 ---------
76 With the release of the early multi-touch firmwares it became increasingly
81 Deactivation slack helps prevent dropped contact for single touch use, but does
83 are still active.  Drops in the multi-touch context require additional
112 been far less problematic or relatively rare and I've left the defaults
125 -----------
127 The N-Trig windows tools provide calibration and testing routines.  Also an
130 http://code.launchpad.net/~rafi-seas/+junk/ntrig_calib
134 --------
136 As of yet, all tested N-Trig firmwares do not track fingers.  When multiple