Search found 2 matches

by gazrhys
Sat Jul 04, 2009 2:30 pm
Forum: LK/ELK/VK/PK/OK/MX/GLK/EGLK/GVK/GLT
Topic: GPO Problem on glk19264-7t-1u
Replies: 5
Views: 4768

None of the GPO commands are working, but everything else does. The LEDs are always on. I've tried sending the command numbers in decimal and hex. I'm using the wiring library on the arduino with the following code. Wire.beginTransmission(0x28); Wire.send(254); Wire.send(86); Wire.send(0); Wire.endT...
by gazrhys
Sat Jul 04, 2009 9:32 am
Forum: LK/ELK/VK/PK/OK/MX/GLK/EGLK/GVK/GLT
Topic: GPO Problem on glk19264-7t-1u
Replies: 5
Views: 4768

GPO Problem on glk19264-7t-1u

I'm communicating successfully with the display using i2c (from an arduino). I am able to display text and graphics, change brightness and contrast, but I can't change the gpo state. The gpo LEDs stay on despite sending the off command (254, 86, gpo num). Am I missing something? Any help would be ap...