Search found 18 matches

by 427v8
Sat Dec 25, 2010 10:35 am
Forum: DIY GPIO Code
Topic: What does the GPIO use for a bootloader?
Replies: 7
Views: 25933

Re: What does the GPIO use for a bootloader?

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.
by 427v8
Sat Dec 18, 2010 9:02 pm
Forum: DIY GPIO Code
Topic: What does the GPIO use for a bootloader?
Replies: 7
Views: 25933

Re: What does the GPIO use for a bootloader?

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...
by 427v8
Sat Dec 18, 2010 9:29 am
Forum: DIY GPIO Code
Topic: What does the GPIO use for a bootloader?
Replies: 7
Views: 25933

What does the GPIO use for a bootloader?

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
by 427v8
Fri Jan 01, 2010 12:56 pm
Forum: DIY GPIO Code
Topic: Base GPIO code to work from?
Replies: 50
Views: 267321

Re: Base GPIO code to work from?

Here's something I'm not understanding. Why is this done' #define pPTM ((volatile unsigned char*)(0x0250)) ... volatile unsigned char *pPTMpin[8]; ... // Set pointers to real port addresses for(ix = 0; ix < 8; ix++) { pPTMpin[ix] = pPTM; // port M pPTTpin[ix] = pPTT; // port T } // end for (ix = 0.....
by 427v8
Wed Dec 30, 2009 5:37 pm
Forum: GPIO Assembly
Topic: Board bringup procedure
Replies: 5
Views: 11392

Re: Board bringup procedure

OK, so maybe this is obvious to everyone here but it wasn't to me. I read that the GPIO board used the same upload mechanism as the Megasquirt. It actually uses the same mechanism as the MSII The bootloader has no UI, it does not talk to people. So don't type anything into it and expect an intellige...
by 427v8
Wed Dec 30, 2009 5:35 am
Forum: GPIO Assembly
Topic: Board bringup procedure
Replies: 5
Views: 11392

Re: Board bringup procedure

OK I Im convinced that the bootloader is messed up. I brought it to work to use my good power supply and computer that has a good serial port. Same thing. It boots and echos garbage. No what I type it returns '>B' So where is the boot loader code? Or is that not for public consumption? Matt I sent y...
by 427v8
Wed Dec 30, 2009 5:31 am
Forum: GPIO Assembly
Topic: Just got the prototype GPIO case in...
Replies: 5
Views: 14354

Re: Just got the prototype GPIO case in...

Tease! :D
by 427v8
Mon Dec 28, 2009 8:28 pm
Forum: GPIO Assembly
Topic: Board bringup procedure
Replies: 5
Views: 11392

Re: Board bringup procedure

OK I have the boot loader jumper jumpered, tera term set to 115200, 8n1.
the gpio echos when I type but echos garbage.

Is the baud rate right?
Yes I've tried a few others...

Where can I find the boot loader code?
by 427v8
Sun Dec 27, 2009 7:08 pm
Forum: GPIO Assembly
Topic: Board bringup procedure
Replies: 5
Views: 11392

Board bringup procedure

So I have a GPIO board, what is the minimum required to bring it to life?? It looks like I just need to add the regulator, and a serial port right? If so the next dumb question is how do I talk to it? what software is loaded as is? Just the boot loader, or do I need to load that too? I have a P&...
by 427v8
Mon Dec 21, 2009 7:32 pm
Forum: GPIO Assembly
Topic: GPIO main boards and heat sinks are now available
Replies: 22
Views: 38545

Re: GPIO main boards and heat sinks are now available

Ah, great, Thanks!
That's what I suspected.