Support for super simple RS232 display

3dcoder · 2007-12-07, 19:44

Hi all LCD-developers!

I have a very simple RS232 display made by Velleman. I can code somethings that sends signals to it, but I have no clue how to do that with Media Portal. If someone is interested in this issue, it would be truly great!

The display works as following: The program sends ASCII characters to the COM-port with 120 ms or more between each letter. Display has 16 characters and they scroll automatically from right to left

To show simple word, like "Music", the program can add 16-5 = 11 characters after the text, so that the old text won't get displayed. And in case of a longer name, like album name, display takes care of the scrolling. Just sending of characters - fast and easy.

This is some Basic-style pseudo-code of a loop that could be used to send a string to the display:

lenght = StringLenght(message)
pos = 0

repeat(lenght) {

char = StringCharAt(pos)
RS232send(char,pos,com1)
pos+=1
}

Thank you for your interest!

Marcusb · 2007-12-08, 00:26

have you tried the built in LCD plug in? It has compatibility with heaps of screens and one of the options is for simple serial LCDs.
Unfortunately the programmer who made it is away for a while dealing with some real life things, so he can't help with updates, but you can take a look for yourself if you are game.

2007-12-07, 19:44	#1 (permalink)
3dcoder Portal Member Join Date: Apr 2007 Posts: 19 Thanks: 3 Thanked 0 Times in 0 Posts Country:	Support for super simple RS232 display Hi all LCD-developers! I have a very simple RS232 display made by Velleman. I can code somethings that sends signals to it, but I have no clue how to do that with Media Portal. If someone is interested in this issue, it would be truly great! The display works as following: The program sends ASCII characters to the COM-port with 120 ms or more between each letter. Display has 16 characters and they scroll automatically from right to left To show simple word, like "Music", the program can add 16-5 = 11 characters after the text, so that the old text won't get displayed. And in case of a longer name, like album name, display takes care of the scrolling. Just sending of characters - fast and easy. This is some Basic-style pseudo-code of a loop that could be used to send a string to the display: lenght = StringLenght(message) pos = 0 repeat(lenght) { char = StringCharAt(pos) RS232send(char,pos,com1) pos+=1 } Thank you for your interest!

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2007-12-08, 00:26	#2 (permalink)
Marcusb Super Moderator Join Date: Feb 2005 Location: Melbourne Posts: 1,833 Thanks: 51 Thanked 21 Times in 21 Posts Country: My System	have you tried the built in LCD plug in? It has compatibility with heaps of screens and one of the options is for simple serial LCDs. Unfortunately the programmer who made it is away for a while dealing with some real life things, so he can't help with updates, but you can take a look for yourself if you are game.