3M Microtouch EX II serial touchscreen setup tool(s).

This is a tool for setup the EX II serial touchscreen
controller as it is described in the reference guide.
Look for the EXII_Serial-Cntrls_RefGuide.pdf
on the multimedia.3m.com site.

3M isn't responsible for supporting the tool
as it's written in the Crystal Service company.
If you have any questions, please contact the author.

All the programs in the project are licensed under
the terms of the GNU GPL license, see COPYING file.

Special exception is made for the Crystal Service company
that may use, modify and distribute the program under
the terms of the BSD license.

Usage: exii-tool <device> <command>
Commands are:
 Z	- null command
 NM	- get controller's name
 OI	- get controller's identifier
 UV	- get controller's features
 R	- reset
 RD	- restore defaults
 CX	- extended (interactive) calibration
 CR	- collect raw coordinates
 FR	- raw format
 FT	- tablet format (preferred)
 MS	- stream mode
 Ppdsb	- set communication parameters (see manual)
 XY	- (emulated) wait for screen touch and report x,y coordinates

Examples.

$ ./exii-tool /dev/ttyS0 Z
9600 baud connection detected
0

$ ./exii-tool /dev/ttyS0 NM
9600 baud connection detected
Wincor EXII-1050SC-02 v3.1

$ ./exii-tool /dev/ttyS0 OI
9600 baud connection detected
A31011

$ ./exii-tool /dev/ttyS0 UV
9600 baud connection detected
QMV***00
(see EX II reference guide for description)

$ ./exii-tool /dev/ttyS0 R
9600 baud connection detected
0

$ ./exii-tool /dev/ttyS0 RD
9600 baud connection detected
$ ./exii-tool /dev/ttyS0 Z
2400 baud connection detected
0

$ ./exii-tool /dev/ttyS0 CX
2400 baud connection detected
0
(touch the screen twice)
1
1

$ ./exii-tool /dev/ttyS0 CR
2400 baud connection detected
0
$ ./exii-tool /dev/ttyS0 XY
2400 baud connection detected
(touch the center of the screen)
FT 16024 293
CR -45 36

$ ./exii-tool /dev/ttyS0 FR
2400 baud connection detected
0
(to reset the controller and thus break the FR mode)
$ echo '.R;' | ./ttyecho /dev/ttyS0 2400 8N1
^C
$ ./exii-tool /dev/ttyS0 Z
2400 baud connection detected
0

$ ./exii-tool /dev/ttyS0 FT
2400 baud connection detected
0
$ ./exii-tool /dev/ttyS0 XY
2400 baud connection detected
(touch the center of the screen)
FT 7031 7271
CR 878 908

$ ./exii-tool /dev/ttyS0 PN812
2400 baud connection detected
$ ./exii-tool /dev/ttyS0 Z
9600 baud connection detected
0


The CX command is internally used by the exii-calibrator.
Start the program in graphic mode and push two aims for
1-2 seconds each.

After that test calibration with the exii-drawer program:
touch the screen randomly or pull the finger from side to side.
Press Esc to exit.