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'Simple integrated ICP for Flash PIC'
2007\01\14@032518 by Tobias Gogolin

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Hello folks

As I mentioned before I am developing a PIC (16F676) based solar tracker
that Is supposed to be released under some Open Source License

I can imagine it interesting that the hardware had a build in Interface for
serial programming and maybe even data communication with a computer, that
doesn't require anything fancy other than a standard cable.
So I figure a standard 9 pin DB Serial connector on the board would be OK.

And if it was just to program the devices that would be great, but maybe
sometimes one could also be interested in data gathering or remote control,
troubleshooting or calibration...
So if the serial connector had a dual functionality even better! Of course
that may then require a switch to select between modes...

Is there anything similar out there in published circuits that I could base
my design on?

Thanks everybody for your help

Tobias

P.S: am working away on the program and like the SourceBoost IDE a lot

2007\01\14@090215 by Richard Prosser

picon face
Wht not use a bootloader ??
RP

On 14/01/07, Tobias Gogolin <spam_OUTusertogoTakeThisOuTspamgmail.com> wrote:
{Quote hidden}

> -

2007\01\14@155237 by Tobias Gogolin

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Yes a bootloader is probably the solution!
But since I don't like IC sockets it would be cool to see if there was a
simple switch or jumper config to write even the boot loader the first
time...


On 1/14/07, Richard Prosser <.....rhprosserKILLspamspam@spam@gmail.com> wrote:
{Quote hidden}

2007\01\14@161457 by stef mientki

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face
Tobias Gogolin wrote:
> Yes a bootloader is probably the solution!
> But since I don't like IC sockets it would be cool to see if there was a
> simple switch or jumper config to write even the boot loader the first
> time...
>  
I don't see the relation between programming a chip and IC sockects, ...
any PIC can be programmed (either with LVP or HVP) after it is soldered
in a circuit board.

cheers,
Stef Mientki

2007\01\14@180621 by Xiaofan Chen

face picon face
On 1/14/07, Richard Prosser <.....rhprosserKILLspamspam.....gmail.com> wrote:
> On 14/01/07, Tobias Gogolin <EraseMEusertogospam_OUTspamTakeThisOuTgmail.com> wrote:
> > Hello folks
> > As I mentioned before I am developing a PIC (16F676) based solar tracker
> > that Is supposed to be released under some Open Source License
>
> Wht not use a bootloader ??
> RP
>

A bootloader would not work for 16F676 since it is a standard Flash
part. The OP has to use something like 16F88 or 16F876A.

2007\01\14@181700 by Richard Prosser

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woops!
RP

On 15/01/07, Xiaofan Chen <xiaofancspamspam_OUTgmail.com> wrote:
{Quote hidden}

> -

2007\01\14@221305 by Bob Axtell

face picon face
Tobias Gogolin wrote:
> Yes a bootloader is probably the solution!
> But since I don't like IC sockets it would be cool to see if there was a
> simple switch or jumper config to write even the boot loader the first
> time...
>
>
>  


You can't install the bootloader before the device is mounted?

--Bob

2007\01\14@224316 by Tobias Gogolin

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>You can't install the bootloader before the device is mounted?
ts not maintainance friendly enough
anyhow Xuiaoan says my device does not support a boot loader anyway...


On 1/14/07, Bob Axtell <RemoveMEengineerTakeThisOuTspamneomailbox.com> wrote:
{Quote hidden}

> -

2007\01\15@183649 by Xiaofan Chen

face picon face
On 1/15/07, Tobias Gogolin <spamBeGoneusertogospamBeGonespamgmail.com> wrote:
> >You can't install the bootloader before the device is mounted?
> ts not maintainance friendly enough
> anyhow Xiaofan says my device does not support a boot loader anyway...
>

Why not change to those PICs which support bootloader then?

2007\01\15@202636 by Tobias Gogolin

picon face
For starters the 16F676 are what I have...
Also how many bytes of program space does the bootloader take up?

Maybe I should redefine the question then how many and which components does
a simple serial or parallel port programmer require?
Where do I find a good circuit and software combination that can work it?

Thanks!



On 1/15/07, Xiaofan Chen <TakeThisOuTxiaofancEraseMEspamspam_OUTgmail.com> wrote:
>
> On 1/15/07, Tobias Gogolin <RemoveMEusertogospamTakeThisOuTgmail.com> wrote:
> > >You can't install the bootloader before the device is mounted?
> > ts not maintainance friendly enough
> > anyhow Xiaofan says my device does not support a boot loader anyway...
> >
>
> Why not change to those PICs which support bootloader then?
> -

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