Important FW Notice

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jcve...@gmail.com

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Aug 31, 2025, 8:24:06 AM (5 days ago) Aug 31
to Hardrock-500 Technical Forum
This is reposted from an email I received:

Hi Jim

I found a serious bug in my previous Ver.6.xx commits.  Perhaps you can
announce this on the goggle group as I don't have an account.  Somehow
between Ver.5 and Ver.6 I inadvertently must have erased one line of
code, unfortunately a critical one which asserts the chip select for the
I/O expander on the LPF board. Yes. Yikes. Ironically since I really
only operate on 160m and it doesn't require any LPF relay activity, and
my brief tests on other bands miraculously didn't result in any damage,
I never realized this had happened.  My only guess is I deleted the line
while editing comments.  I don't know, as I never had any reason to
touch that part of the code.  My life sometimes seems to be a playground
for Murphy's law.  The latest commit has corrected this and improved
some minor display issues and the auto-band switching via RF detection. 
The amp must be in MODE == 0 (OFF) for auto band switching to work.  I
recommend nobody use any Ver.6 FW below Ver.6.05 due to risk to the FETs
running into a wrong filter.  The new version is up here:

https://github.com/ve7vxo?tab=repositories

Best regards...Joe

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