HD44780
I getting there withmy programming
However I was wandering if there is anyway I can read the display size back from the HD44780 displays (4x20, 2x16 etc).
Basically I want to avoid the user having to set the display size via a config file.
I've read around on these displays alot and I've yet to find anything, so please don't tell me to use Google etc.
Rob
And you say people actually pay money for M$ Windows?
www.mp3mini.co.uk (Does what it says on the URL) www.openclassic.co.uk (The new car, with zero rust!) www.rob-web.co.uk (My other site)
Total re-design underway: on the whole progress is very slow as the car is taking up too much time :)
it cant be done. for one thing the hookup used with text LCD's on the parallel port does not allow ANY form of data flow back to the computer.
so even if their was a control code to get the display size, there would be no way to communicate it back to the computer.
sorry..... its gonna have to be a 'config' option within your program!
Project - GAME OVER :(
huh?
I thought one of the pins was R/W.. when it's low, the data pins write, when it's high, they read.
I'm not sure exactly what you can read from it, though.
meh, nevermind... I figured it out
even though it has a read/write pin, it's wired to the output on the parallel port, which can't recieve data... right?
[ 01-20-2002: Message edited by: Arby ]
I wasn't planning on using the parallel port,
So back to my question, does anyone know if the LCD will tell you what it is.
Rob
And you say people actually pay money for M$ Windows?
www.mp3mini.co.uk (Does what it says on the URL) www.openclassic.co.uk (The new car, with zero rust!) www.rob-web.co.uk (My other site)
Total re-design underway: on the whole progress is very slow as the car is taking up too much time :)
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