Multi Threaded SX/B

Ibsen

How will this be implemented in the SX/B compiler ???



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Ibsen

" It's nice to be important, but
·· more important to be nice... "

Peter Verkaik

Sparks,
The sequence is not that strange. If you observe a specific digit, for example 0,
you will notice that there are ten ticks between·0's. The pace is slow enough
to count. This 10 is the supplied interval time in taskInterval array.
The same applies to the other digits (eg. tasks).

regards peter

Post Edited (Peter Verkaik) : 3/7/2007 11:53:31 PM GMT

Bean

Ibsen said...

How will this be implemented in the SX/B compiler ???

We are working on it, it won't be any time soon though...

Bean.


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Cheap used 4-digit LED display with driver IC·www.hc4led.com

Low power SD Data Logger www.sddatalogger.com
SX-Video Display Modules www.sxvm.com
Coming soon! Propeller based OSD module www.hittconsulting.com
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Bean

Anyone using the multitasking programs, I have discovered a bug in the SX/B compiler that affects these programs.

Where Peter has aliased the array element bits:

kMisrRunning var kFlag.6
kMisrFinished var kFlag.7

These aliases don't work properly. Actually both get aliased to just kFlag.

The fix is to do this:

kMisrRunningBit CON 6
kMisrFinishedBit CON 7

Then in the program replace "kMisrRunning" with "kFlag.kMisrRunningBit"
and replace "kMisrFinished" with "kFlag.kMisrFinishedBit"

Bean.

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Cheap used 4-digit LED display with driver IC·www.hc4led.com

Low power SD Data Logger www.sddatalogger.com
SX-Video Display Modules www.sxvm.com
Coming soon! Propeller based OSD module www.hittconsulting.com
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Peter Verkaik

Hi Bean,

Thanks for that info.
I was just debugging the programs using larger delays in the tasks.
The tasks then appear to get stuck (eg. only 1 task keeps running).
I adapted the programs with your suggestion and they seem to run ok now.
I will upload the modified programs shortly.

regards peter

Peter Verkaik

Here is the sx28 version.
Don't forget to set pinTX to the I/O port you want to use.

regards peter

Peter Verkaik

As promised, the sx48 version.

regards peter