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My guess is either you've got a configuration mistake, or you installed the wrong firmware on your hat, or you haven't set the offset frequencies correctly or at all


You were correct.

I have a rev 1.6 HS_HAT.

I didn't set offset frequencies. I planned on checking that, as per your suggestion ...

I’ve had pi-star setup on a Raspberry Pi 3B ver 1.2 with an MMDVM HS HAT (Number 397). I haven’t used it in a long time, but now I’ve decided I want to again. It’s been so long since I used it that I’ve forgotten anything I knew about it.

I’ve made fresh installation of pi-star (I was on 3 ...

Thanks.

I contacted the supplier. He said that if reflowing doesn't work, he'll exchange it.

I've had to google "reflowing" to know what that meant. I initially thought it was soldering with a soldering iron. But when I looked at the PCB, I realised that's not the case. To be honest, I don't even ...

Try putting it on a busy TG or reflector and see what happens, the first couple of incoming transmissions appear to be OK but then when the STM32 runs out of buffer RAM you will see overruns if they are going to happen.


I'm not sure how to do that yet. I'll wait until the local TG is busy ...

I still don't fully understand DMRGateway, especially with regards to how it works when mixing BrandMeister and DMR+ (and I don't use DMR+), but I wonder if you need to experiment with this more. As I understand it, if you're linking to a DMR+ reflector, you'd put an 8 in front of the reflector ...

Try putting it on a busy TG or reflector and see what happens, the first couple of incoming transmissions appear to be OK but then when the STM32 runs out of buffer RAM you will see overruns if they are going to happen.


I'm not sure how to do that yet. I'll wait until the local TG is busy. It's ...

It's on the links if you select the admin tab and log in, then open another tab using the live log link.

If the radio is not being clocked but the STM32 is (8MHz clock) then you get the symptoms you mention. The Pi can see the firmware string but not actually hear or transmit RF.


This was what ...

Check that the radio is identified, you should see a version string in the admin page near the Rx and Tx frequency settings

Thanks for replying.

It is. It's identifying as HS Hat v1.4.1
I see traffic on the dashboard, too. Next to the Trx label, the field changes to Tx DMR Slot 2, and then I ...

Configuration, general setting, node setting: set public, not private !


Thanks. I tried that, but no luck. Having said that, this one has never been set up before, so I still need to work out what (if any) offset settings are required, so I'll need to experiment a bit.

I would have thought ...

I've just received an MMDVM HS Hat which I bought from Florian (just so you know it's not a clone one). I'm trying to connect via the DMR+ Australian server to link to reflector 4800 as that's connected to TG505 which is our national talkgroup.

I can see incoming traffic on the dashboard. It's ...