unable to complie RB2 Juice FW on Pi5

[VU2IIA Mahesh]

Hi All,

I am trying to use by RB2 + Juice board on Pi5. I am not able to compile FW.  Please refer to screen dump for more details.

If any one has detailed instructions on how to setup RB2+Juice board on Pi5, it will help me a lot.

Any help is very much appreciated.

Thanks in advance

mahesh-vu2iia

[Samuel Lourenço]

Sometimes I wonder if someone really tests the code before deployment. I would say that the pointer to int is incorrectly declared as such.

Kind regards, Samuel Lourenço

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[Yado-san]

Hi Group,

As I'd never failed to compile Juice before.
But I wondered if it might be causing errors on the latest OS, Trixie? so upon recompiling, the same error appeared.

As I'm an amateur with software, I couldn't understand why. So I asked AI (Copilot/Microsoft Edge), attaching the log.

- The reason it gives a warning on Bookworm (Debian 12) but an error on Trixie (Debian 13)
  is apparently mainly due to the GCC version upgrade and changes to the build flags.

- The suggested improvements are:
　Use `DWORD` or perform an explicit cast.

So, I attached the C file and requested a fix.
In no time at all, AI generated the improvement code, and both compilation and execution were successful. :)
Amazing, it acts as a programming teacher!

< Radioberry2-juice / pihpsdr_2RX(192k) >

Yado-san, jg1twp

[Negativ Zero]

Sorry,i am relativ new,but can you explain to me how connect cw taster,after 56 years as licence hamradio operator,cant imagine to have radio without cw.This is my big issue.Yes,yesterday i replace FPGA with brand new,and without AI..impossible task.

Best regards!

Željko-9A3RU

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[Paulh002]

The issue is caused by the new GCC becoming more strict with casting pointers.

I had the same issue with the pi5 driver. It is easy to fix.

If you fix it request a pull request so everybody can enjoy it.

73,

Paul

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[pa3gsb]

I updated the repo.

Hope it is now working for you; i am using DWORD now so the platform decides if it is a unsigned long or unsigned int ... 

Tnx for reporting.

Enjoy

PA3GSB

Op donderdag 20 november 2025 om 13:15:27 UTC+1 schreef paul.hol...@gmail.com:

[Samuel Lourenço]

Suggestion: you can use an #if directive to check which version of gcc is being used on compile time and declare accordingly. Therefore you can maintain compatibility across different versions.

Eg.:

#if GCC_VERSION >= 4.2

    // declare as A

#else

    // declare as B

Kind regards, Samuel Lourenço

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[Yado-san]

Hi Željko,

>> how connect cw taster ?

As considering how to connect a Morse key to  the RB2 as a standalone radio, I think there are three ways below.

1) Connect a straight key or external keyer (open collector) to the KEY terminal.
2) Use the pihpsdr-builtin keyer, connecting a paddle to DOT/DASH or a straight key to DASH.
3) Connect a MIDI keyer or CAT keyer to the Raspberry Pi's USB connector.

< Connection >

I am using the paddle connection described in 2) for CW with the pihpsdr.

-> The pihpsdr(DL1YCF) was compiled with GPIO=ON, AUDIO=ALSA.

 see https://github.com/dl1ycf/pihpsdr/releases/download/v2.5/piHPSDR-Manual.pdf ,  p.241-, p.251-

These are the results from testing in my environment.( pihpsdr)

Keyer 1)KEY 2)DOT/DASH 3)MIDI-key
CW Setting Good Good Good
SideTone NG(delay) Good Good

- When using the KEY terminal, an external keyer with sidetone seems to be required.

- When using DASH as a straight key, the sidetone also works well with no large delay.

< CW Setting, pihpsdr >

hope help,

Yado-san, jg1twp

2025年11月20日木曜日 23:06:25 UTC+9 Samuel Lourenço: