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'[SX]: Getting started with SV-TEHS SX-DEV'
After winning an SV-TEHS SX-DEV module in the SXlist.com design contest,
I've finally plucked up the courage to connect it up to an SX. Problem is, I
can't get the SX28 LED flasher sample to work on the SX - it just sits
there, dumb. If I try to step through it in debug mode, the Program Counter
jumps all over the place.
Can someone please send me a simple LED flashing program for the SX28AC
that will work under the SX-DEV IDE?
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James Newton, webhost
James Newton, webhost wrote:
> Sounds like a communication or power supply problem. Just about any
> 16C57 code or any of the code on the CD that came with the SX-DEV
> should at least step correctly.
> Contact Alexey Vladamirov [avlad at mailbox,riga,lv] at SV-TEHS for
> technical support. I have always seen excellent responses and quick
> solutions from this company.
Turns out it was my stupid mistake. The SX wasn't running because I forgot
the 1k resistor on the /MCLR line. As for the code, I mis-understood the
following line in the manual:
"To allow debug, user program *should not be located* on the following
SX28 1FE...1FF, 78E...7FF"
In other words, I moved the RESET vector and ended up fouling up the code.
Now I'm going to have a go with some Virtual Peripherals. Some of the FSK
stuff looks interesting :-)
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