I have altered TOS_Base to change frequencies.
When I have it change frequencies, it never resumes forwarding.
I added:
PFLAGS += -I/opt/tinyos-1.x/tos/contrib/rincon/tos/platform/mica2
to my makefile, but I haven't been able to confirm it's actually using the
rincon stack.I'm not sure I'm getting the contrib. files to include
properly. I tried altering several to generate errors, and nothing changed.
The app is in /workspace/Base (I use the Eclipse plugin)
I used the LEDs to debug, and the change frequency call is returning correctly.
I'm calling
call CC1000Control.TunePreset(action);
where action is the preset number sent over the UART from the packet.
Should I be turning on and off the radio?
What I'd really appreciate is a pointer to someone else who has done
something similar with Mica2 motes, and has it working.
(TinyOS 1.x, Cygwin, Mica2 motes, 433Mhz)
-Ben
On Wed, May 2, 2007 3:13 pm, David Moss said:
> The preset table is actually in the CC1000Const.h file. You'll see it's an
> array of register values starting with:
>
> static const prog_uchar CC1K_Params[6][31] = {
> ....
> };
>
> There are two functions you can call in your application in TinyOS 1.x to
> adjust the frequency through the CC1000Control interface:
>
> command result_t TunePreset(uint8_t freq);
>
> command uint32_t TuneManual(uint32_t DesiredFreq);
>
> The difference between TunePreset and TuneManual is that TuneManual actually
> calculates what the CC1000 register values should be, and the TunePreset
> contains pre-calculated values.
>
> The problem is the default CC1000 stack is broken when it comes to changing
> frequencies at runtime. So if you plan on doing runtime frequency changes,
> you should really be using Rincon's CC1000 stack (stable but unsupported) in
> tinyos-1.x/contribs/rincon/tos/lib/CC1000Radio
>
> -David
--
The difference between the right word and the almost right word is really a
large matter- it's the difference between a lightning bug and the lightning.
-Twain
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