[Swansea Hackspace] Re: Hackspace Digest, Vol 6, Issue 11

[Tim Moore]

Hi Justin,

Last touched MPLAB 10 years ago and have never written anything in 'C',

so your help with the source is very greatly appreciated !

:  )))

Tim

On 24 June 2013 12:00, <hackspace-request at swansea.hackspace.org.uk> wrote:

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>    1. Re: Re: Hackspace Digest, Vol 6, Issue 9 (Justin Mitchell)
>    2. PIC Workshops (Justin Mitchell)
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>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 23 Jun 2013 20:33:31 +0100
> From: Justin Mitchell <justin at discordia.org.uk>
> Subject: Re: [Swansea Hackspace] Re: Hackspace Digest, Vol 6, Issue 9
> To: hackspace at swansea.hackspace.org.uk
> Message-ID: <1372016011.6126.10.camel at emerald.geode.org.uk>
> Content-Type: text/plain; charset="UTF-8"
>
> On Sun, 2013-06-23 at 19:14 +0100, Tim Moore wrote:
> > Slowly getting it together on the Pic demo program.  I've retyped the
> > source and have this:-
> >
> >  * File:   cointoss5.c
> >  * Author: Tim
> >  *
> >  * Created on 20 June 2013, 07:51
> >  */
> >
> > #include <stdio.h>
> > #include <stdlib.h>
> > #include <xc.h>
> > #include <pic12f1840.h>
> >
> > #define INT_OSC 500000L
> > #define _XTAL_FREQ _INT_OSC
> >
> > /* 12.0 page 101 setup the ports
> >  */
> >
> > TRISAbits.TRISA0 = 0;
> > TRISAbits.TRISA1 = 0;
> > TRISAbits.TRISA2 = 1;
> >
>
>
> I guess your not experienced with C programming then, and of course you
> wern't up to speed in the workshop to get help with this part because of
> your laptop problems.
>
> The port setup code goes inside the main() function.
>
> I have added the completed C code to the downloads on the meetings page
> on the website, you can see what it is meant to look like.
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 23 Jun 2013 20:41:16 +0100
> From: Justin Mitchell <justin at discordia.org.uk>
> Subject: [Swansea Hackspace] PIC Workshops
> To: hackspace at swansea.hackspace.org.uk
> Message-ID: <1372016476.6126.17.camel at emerald.geode.org.uk>
> Content-Type: text/plain; charset="UTF-8"
>
> i have been investigating bootloaders for use with the 12f1840 and other
> chips.  It looks entirely feasible to lose just 100 - 300 words (of the
> 4K word) program memory to a bootloader, which will allow people to
> re-program their devices at will without needing a dedicated programmer
> device, just using the usb-serial port devices we were using.
>
> So i am looking to put together another workshop for the near future,
> which will utilise a bootloader, talk through the serial port, and
> perhaps play with analog inputs.
>
> Would people be interested if i also offered the chance to keep the kit
> of parts after the workshop for cost ?
>
>
>
>
>
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> End of Hackspace Digest, Vol 6, Issue 11
> ****************************************
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