Subject:
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Re: Testing with PCBUG11 - Getting Close
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sat, 9 May 1998 23:55:48 GMT
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Original-From:
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Mike Davis <ipscone@halcyon[saynotospam].com>
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Viewed:
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3495 times
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Thanks, I'll try this. I did finally realize that the HandyBoard is
not supposed to boot to expanded mode.
Thanks again.
> Date: Thu, 07 May 1998 11:05:57 +0100
> From: "Jeff Loeliger" <r12110@email.sps.mot.com>
> Organization: Motorola Semiconductor Products Sector
> To: Mike Davis <ipscone@halcyon.com>
> Cc: handyboard@media.mit.edu
> Subject: Re: Testing with PCBUG11 - Getting Close
> Mike,
>
> I used PCBUG11 to test my handyboards. The reason that you can not access the
> SRAM is that PCBUG11 boots single-chip mode and there is not external bus. You
> need change HPRIO from $85 to $A5.
>
> -Jeff
>
> Mike Davis wrote:
> >
> > My problem turned out to be with Win 95. If I boot to DOS the
> > PCBUG11 program works fine. It fails to work when working from a DOS
> > window.
> >
> > I can now communicate with the MCU so my RS232 must be fine. When
> > working from the command line in PCBUG, I cannot access the SRAM.
> > A15 never changes from LOW.
> >
> > It is as though I cannot access anything except the internal MCU
> > locations. I can read/write EEPROM ok.
> >
> > 1) Is it possible to access external SRAM from PCBUG?
> > 2) Shouldn't one be able to control the port data from PCBUG? I've
> > tried but get BAD ADDRESS (or BAD MEMORY something like that). Like
> > it's not there
> > 3) Still would like to know baud rate in boot mode?
> > 4) Is the LCD manual on the web somewhere? Maybe I'll play with that
> > tomorrow.
> >
> > Looks like I'll have fun tomorrow playing with this.
> >
> > > From: "Mike Davis" <ipscone@halcyon.com>
> >
> > > I have assembled the HandyBoard up to the point of adding the SRAM.
> > > I am still waiting for my SRAM to arrive. But, I want to check out
> > > as much as possible.
> > >
> > > Every step checked out fine to this point.
> > >
> > > I have two options at this point. I have an 6264 (8K x 8) that will
> > > give me 8K for not (not using IC yet). I also have an 811E2 in the
> > > board for now.
> > >
> > > I tired to run PCBUG, to test the communications with the MCU but I
> > > get the following error each time I try to communicate with the
> > > board:
> > >
> > > Fatal Error[9] - Hardware communication failure. PCBug terminated.
> > >
> > > This error makes me wonder if something might be wrong with my RS232.
> > >
> > > Questions:
> > > 1) What should the baud rate be during boot sequence?
> > > 2) Does PCBug set it automatically?
> > > 3) Do I have to set it from Win95 before running PCBug?
> > > 4) Does anyone have any suggestions how to test the RS232 using
> > > PCBug11?
> > > --
> > > -----------------------------------------------------------------
> > > ipscone@halcyon.com Shoot-To-Win!
> > >
> > > Protect the 2nd Amendment! Your rights may be next!
> > > -----------------------------------------------------------------
> >
> > --
> > -----------------------------------------------------------------
> > ipscone@halcyon.com Shoot-To-Win!
> >
> > Protect the 2nd Amendment! Your rights may be next!
> > -----------------------------------------------------------------
>
> --
> ______________________________________________________________________
> \ Jeff Loeliger Motorola SPS \
> \ email: r12110@email.sps.mot.com \"/ Systems Engineering Department\
> \ phone: +44-1355-56-5400 ( ) Powertrain Systems Division \
> \ fax : +44-1355-56-6300 | East Kilbride, Scotland \
> \_____________________________________________________________________\
--
-----------------------------------------------------------------
ipscone@halcyon.com Shoot-To-Win!
Protect the 2nd Amendment! Your rights may be next!
-----------------------------------------------------------------
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