I'm having a periodic problem with the GLK-12232. We're talking to it through a serial interface using Perl under Linux, and most of the time this all works happily. However, very occasionally - usually when developing additions to our display software, or when attempting to debug it - we see a ...

It seems I've been misreading the traffic between my program and the serial port. I am sending an extra 0x01 before the low byte of the size, although I'm not yet sure why, but it seems the unit is correctly echoing it so that's not a concern anymore.

Sorry to bother you with a stupid problem on my ...

The low byte is definitely unsigned, at least as far as Perl lets me be positive of it. It's being sent the only way that seems to make sense, as a single byte by encoding it as a character with Perl's Unicode capabilities switched off.

Thus something like:

printf LCD "%c",$low_byte;

it works for ...

I'm having serious trouble uploading bitmaps to a GLK-12232-SM. It's hooked up to a Linux system, so I've not been able to test it with mogd.exe, and the Linux system being a headless server doesn't have the stuff required to run the Java software available from the site, so I can't test it with ...