It is OK to send wisp628/xwisp problems directly to me, but putting them
here is OK too. The problem will probably solved by useing a new
xwisp.py, which I will send you off-list, but I need your email address,
so email me.

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products


> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU] On Behalf Of Antony Wuth
> Sent: Thursday, March 20, 2003 1:18 AM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: [PIC]: Problem setting fuses with wisp628 & 18F452
>
>
> Hi,
>
> I am having a problem successfully programming a 18F452 with
> code I have
> written. I am using a wisp628 which flawlessly programs the chip with
> example flashing light code (not mine) the programmer has also
> successfully programmed other chips (but I have not tried
> with my code)
>
> The programmer seems to program & verify the code OK only falling over
> verifying the fuses. I see an error on the python console of the
> location 300000 reading back as 00 when it should be FF (I am quoting
> the numbers from my increasingly fallible memory)
>
> I suspect that MPASM is doing something interesting with my __CONFIG
> entries - in a moment of desperation I copied them fresh from the
> p18F452.inc file (that was shipped with MPLAB)
>
> I have tried copying what I thought was the fuses line from a working
> file and that seemed to work - however it would be nice to be able to
> use *my* selections :)
>
> MPLAB is ver 6.12.0.0 running over win2k.
>
> One thing that makes it more complicated is my data sheet pin diag for
> the DIP indicates pin 38 is PGM, with a note that it should be pin
> compatible with the PIC16F7X devices - I left the PGM cable from the
> wisp in pin 36 (as the wisp doco suggests is correct) and it seems to
> successfully program - at that point I decided that the wisp doco
> probably got preference over the data sheet..
>
> Thanks for your help.
>
> Antony W.
>
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