Sean Breheny wrote:
>>
http://www.eetimes.com/electronics-blogs/other/4208931/Engineers-try-to-res=
ist-finger-pointing-in-debugging-radar-jammer?cid=3DNL_EELife
>
> I agree with Neil. I think these guys should really have known better.
> I think I discovered the kind of issues they met when I was about 14
> years old.

Yeah, this is really basic stuff.  What kind of idiot relies on Hyperterm t=
o
upload code anyway!?  That also means this guy did a bootloader without a
checksum.  Duh!  I've done a lot of bootloaders, but I never once even
considered leaving out the checksum.  Even if you think the communications
channel is fine, what if power gets interrupted in the middle of a upload,
the line gets disconnected, the user kills the program, or any of a number
of sufficiently possible things that could cause a bad uploaded image?

It seems to me that reloading the previous working version would be one of
the first things you do to verify the hardware didn't break.  Another big
"duh" for waiting 3 days to do that!

This article is not really about some gotcha you have to watch out for, but
rather proof once again there's always another moron right around the
corner.


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