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| From: | Hannu Vuolasaho <vuokko AT msn DOT com> |
| To: | <geda-user AT delorie DOT com> |
| Subject: | RE: [geda-user] OT scripting inside an MCU |
| Date: | Sun, 2 Sep 2012 21:16:28 +0300 |
| Importance: | Normal |
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> Date: Fri=2C 31 Aug 2012 19:52:59 -0500
> From: john AT ecosensory DOT com
>=20
> On 08/31/2012 08:58 AM=2C Levente wrote:
> > On the root node there is a RTOS (also my code)=2C but on the sensors a=
nd actor nodes there's only a while(1) loop.
> >
> > I don't know how to solve the programmability with your approach. Maybe=
I wasn't clear enough. I want to change the program at run
> > time as well for example by writing an SMS to the integrated GSM modem=
=2C or editing from a keypad=2C etc. I could write code in
> > native C of course=2C but I don't want to re-program the root-card each=
time I want to set new temperature=2C etc.
Well=2C I didn't saw that AVR was specified.=20
However if AVR is used its flash can be reprogrammed interactively from the=
other parts except boot-loader part.
AmForth does this and writes data to flash with i!=20
Another problem is that Amforth can't be used with C programs. One solution=
might be using ficl. ficl.sf.net
It would require some modification with printf=2C select and some other par=
ts. ficl can't and I don't know how it even could be possible to change the=
running code=2C but ficl could write data to eeprom and with that change t=
he behaviour of the sytem. However under ficl you can call C functions. But=
porting ficl needs some work.
Most Forths are written with assembler and embedding them to existing proje=
ct is next to impossible :(
Best regards=2C
Hannu Vuolasaho
=
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>=3B Date: Fri=2C 31 Aug 2012 19:52:59 -0500<br><div>>=3B From: john AT ec=
osensory.com<br>>=3B <br>>=3B On 08/31/2012 08:58 AM=2C Levente wrote:<=
br>>=3B >=3B On the root node there is a RTOS (also my code)=2C but on =
the sensors and actor nodes there's only a while(1) loop.<br>>=3B >=3B<=
br>>=3B >=3B I don't know how to solve the programmability with your ap=
proach. Maybe I wasn't clear enough. I want to change the program at run<br=
>>=3B >=3B time as well for example by writing an SMS to the integrated=
GSM modem=2C or editing from a keypad=2C etc. I could write code in<br>>=
=3B >=3B native C of course=2C but I don't want to re-program the root-ca=
rd each time I want to set new temperature=2C etc.<br><br>Well=2C I didn't =
saw that AVR was specified. <br>However if AVR is used its flash can be rep=
rogrammed interactively from the other parts except boot-loader part.<br>Am=
Forth does this and writes data to flash with i! <br><br>Another problem is=
that Amforth can't be used with C programs. One solution might be using fi=
cl. ficl.sf.net<br><br>It would require some modification with printf=2C se=
lect and some other parts. ficl can't and I don't know how it even could be=
possible to change the running code=2C but ficl could write data to eeprom=
and with that change the behaviour of the sytem. However under ficl you ca=
n call C functions. But porting ficl needs some work.<br><br>Most Forths ar=
e written with assembler and embedding them to existing project is next to =
impossible :(<br><br>Best regards=2C<br>Hannu Vuolasaho<br></div> =
</div></body>
</html>=
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