Hi David (et al),
I loaded my SM1000 (Ref D) with v3 firmware today and it seems to be
working very well on air.
My SM1000 is connected to an Icom IC-7100 using the accessory connector,
SM1000 modified to give more audio drive into the ACC connector.
I'm using FreeDV together with a HPSDR/PowerSDR to monitor and transmit
back to the SM1000.
The only thing I have noticed is that when in 700D mode, I get a
continual burbles and squeaks from the SM1000 when tuned to a free
frequency. The Sync and Clip/Error LEDs flash almost continually. The
audio level from the radio into the SM1000 doesn't seem to make a
difference, very low audio levels from the IC-7100 into the SM1000 seems
to make this happen.
I get the occasional flash of the Sync and Clip/Error LED in 1600 mode,
but until it actually starts decoding a 1600 transmission, it remains
silent.
73
Michael
VK5ZEA
On 9/03/2020 7:07 am, David Rowe wrote:
Hello List,
A few months ago Mal, VK8MT, spotted a few bugs in the SM1000 user
interface. I have had a go at fixing them, integrating the latest 700D
modem tweaks, and adding the automatic microphone equaliser:
https://github.com/drowe67/codec2/pull/58
I've also tweaked the doco, adding links to the V3 binaries, and fixing
a glitch in the example wiring diagram:
https://github.com/drowe67/codec2/blob/dr-sm1000-tweaks/stm32/doc/sm1000_manual.md
If you are interested, please try it out over the air and let me know
how it goes.
http://www.rowetel.com/downloads/codec2/smartmic/sm1000v3.bin
http://www.rowetel.com/downloads/codec2/smartmic/sm1000v3.dfu
On power on you should hear 'V3' in morse, followed by the current mode
(ANA for analog if it's a fresh reflash).
Thanks,
David
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