MSgpio.com read only forums (Jan.15,2018)

I've looked everywhere, I see no mention of the boot loader code.

I'd like to find the source if at all possible.

Thanks
Keith

Keith,

The GPIO boards use the same bootloader as MS-II. If you buy a GPIO board, the bootloader will already be on it.

Lance.

Lance,
I know the boot loader is already on my board, I've been using it ;-D
I just want to see the source code for it, to see how it loads and stuff you know...

427v8,

The linked PDF tells how the serial monitor (aka. "bootloader") works:

http://www.freescale.com/files/microcon ... AN2548.pdf

Near the end is a link for typical source code for the HSC12.

Lance.

Thanks Lance.
Everything seems to be working as advertised and I now have a downloader that can program my 64k part, using a flat memory map from 4000 to F780, in one fell swoop.

I would like to make some minor changes to the bootloader to ensure that certain port pins are set to a known "safe" state during code download. I would like to be able to reprogram without worrying about having to remember to unplug a couple of high current solenoids. Is the actual bootloader source available anywhere for the MS-II HSC12C64 processor? If not, and I have to create my own from the Freescale CW project, is it just a matter of using the normal MS Download program to send the S19 file to the GPIO board?

GordonP,

The bootloader source is not available, you will have to create your own, as you say. You will need a BDM cable to burn it to the processor.

Lance.

Thanks Lance.