mirror of
https://github.com/rfc2822/GfxTablet
synced 2025-10-03 17:49:17 +02:00

* new protocol specification that allows versioning (version 1) * App: refactoring, version: 1.1
28 lines
680 B
Text
28 lines
680 B
Text
|
|
Network protocol used by GfxTablet
|
|
|
|
|
|
|
|
Version 1
|
|
---------
|
|
|
|
GfxTablet app sends UDP packets to port 40118 of the destination host.
|
|
|
|
Packet structure:
|
|
|
|
9 octets "GfxTablet"
|
|
1 ushort version number
|
|
1 ushort type:
|
|
0 motion event (hovering)
|
|
1 button event (finger, pen etc. touches surface)
|
|
|
|
1 ushort x (using full range: 0..65535)
|
|
1 ushort y (using full range: 0..65535)
|
|
1 ushort pressure (using full range 0..65535, 32768 == pressure 1.0f on Android device)
|
|
|
|
when type == button event:
|
|
1 byte number of button, starting with 0
|
|
1 byte button status:
|
|
0 button is down
|
|
1 button is up
|
|
|