Help it_keyboard - MC9S12E128

[Gwaleth]

Hi, I have the hcs12 design kit of motorola, I use mc9s12e128 board and I'm trying to do a program in assembly that will allow me to introduce a value through the it_keyboard i store after this data in a variable. I do not know how to connect it_keyboard at a port of entry, and where that value is stored introduced with it_keyboard. Sorry for my bad english, i'm spanish. Thanks in advance. Cesar Ortiz.

Added p/n to subject.

Message Edited by NLFSJ on 2008-04-25 11:43 AM

[JimDon]

"hcs12 design kit" ? What is the part number of the board you have?

It should be printed some where on the board.

[Gwaleth]

I have MC9S12E DEMO BOARD made by softecmicro this is what do you need?

[JimDon]

Is the freescale part number INDARTHCS12E128?

Because there is virtually no information on the web site concerning this board, nor can I find it on  SofTecs web site.

To answer you question specifically, I need more information.
Is the keyboard already connected? If so to what ports.

Here is a thread that discusses keyboard scanning, and there is a link to some sample code that may help you.

Here is another old document that show how you might connect it and talk to a keypad.
Page 198 shows the hook up the rest of the chapter discusses how to scan it.

[Gwaleth]

Yes, the part number InDART-HCS12/E128, the keyboard is not connected, it_keyboard is an aplication of CodeWarrior that simulates a matrix keyboard  4x5

[bigmac]

Hello,

I am not sure what you mean with "it_keyboard".  Is it possible that you mean "AT keyboard" as used by PCs?  If so, the solution will be very different than the scanning of a keypad.  You will need to clarify.

Regards,

Mac

[peg]

Hi Gwaleth,

In case you do mean AT keyboard, as in an old keyboard for a PC then the references in this thread may be of some value to you.