VSWR/PWR Readings sent to PiHPSDR

[Joey G. (Bonehead)]

Hello all,

I'm doing the finishing touches on my portable Radioberry and have a question about SWR and Power output readings within PiHPSDR.  I have a RX/TX board that also outputs FWD/REV voltages (up to 5v) that I am currently running through an arduino.  I was going to mount a small OLED Display for this output but was curious how hard it would be to send these into PiHPSDR so I get the readings in the software similar to my QTH HL2 rig so I don't have to use a separate small display.  I've searched the group but get all kinds of hits not related to my question.

Thanks!

Joe

K5BHD

[Yado-san]

Hi  Joe,  Cc: Johan,

To Display power and SWR(I_pa or Temp_PA) in SDR software..

_ Add a circuit using the same IC as HL2 or Radioberry_preamp.

  https://github.com/pa3gsb/Radioberry-2.x/blob/master/hardware/preamp/release/beta1/scheme/radioberry-preamp.pdf

_ using a microcomputer, Johan's RB2AMPController seems to be a good reference. but I haven't tried it yet.

  https://github.com/pa3gsb/RB2AMPController/blob/main/hardware/release/beta0.1/schema/RB2AMPController.pdf
  

Using RB2AMPController, are there any special settings required for pihpsdr?  > Johan

And i think it is necessary to adjust the constants to match the PA power and SWR bridge.

  dl1ydc: ./pihpsdr/src/transmitter.c
   449 static double compute_power(double p) { }
   467 static gboolean tx_update_display(gpointer data) { }
      constant1 = 3.3;
      constant2 = 1.52;
      rconstant2 = 1.52;
      rev_cal_offset = -34;
      fwd_cal_offset = -34;
//

Yado-san, jg1twp

2025年7月17日木曜日 10:03:22 UTC+9 Joey G. (Bonehead):

[Joey G. (Bonehead)]

Thanks for the info Yado-san.  I'll study it and see if it's something I think I can pull off.  At first glance, it looks like something a little above my knowledge but maybe if I study it more, it will click. 

This is the RX/TX board I'm curently using.

73

Joe

K5BHD