Fork of John Melton G0ORX's pihpsdr.

This fork started as a way to make a table-top radio around the PA3GSB's Radioberry board. A pico based board was built. The pico talked CAT commands to control the pihpsdr running on the Raspberry pi. The original codebase has mostly remained stagnant.

A number of rigctl fixes and a bit of customizations were done. Another fork by Christoph, DL1YCF gained prominence in the HL2 world. Christoph added more radios, made fixes etc. It is now a defacto pihpsdr source. If I knew that that another fork would develop further, I would not have made a fork. But now it is too late. We both have taken slightly different approach. I have some strong opinions about the quality of the current codebase and the way it is structured. I think making big refactoring in the pihpsdr codebase is hard. There are globals all over the place. This fork has thrown off a bit of code (soapysdr etc). There is a lot more code that I want to throw away.

May be this fork has only got some ~10 users perhaps. We hardly promote it in various mailing lists. But this application is like my home cooked meal. We add features very carefully and instead focus on long term maintenance and quality. We are not there yet in terms of quality expectations of the code, but I have some concrete plans to reach there.

• Radioberry controller firmware
• R-Pi4 configuration files for the controller hardware

If you encounter any error, copy the error and paste it into your favourite search engine and try to understand the problem. Ham radio is all about experimentation and self education.

At the moment, this fork depends on a few libraries for noise cancellation (NR3 and NR4). I suggest using the installation script from the above radioberry-controller-pi-config repo. It takes care of installing everything needed for pihpsdr and pihpsdr itself. It does not install radioberry kernel module and install the rbf file etc. For that, please use Johan's scripts for now. Please email me if you encounter any problems installing it.

Ideally these should possibly go into the makefile and the dependent libraries should be git submodules. I may make that change soon.

The idea is that rigctld would connect to the radio via network. All other programs would connect to rigctld.

0. Launch rigctld to connect to the tcp port of pihpsdr:

rigctld -m 2040 -r $IPADDR:19090

where $IPADDR is the ip address of the computer running pihpsdr.

1. create a virtual pair of serial port.

sudo socat pty,link=/dev/vtty0 pty,link=/dev/vtty1

Here vtty0 and vtty1 are regular files and can be created anywhere in the filesystem. If it is in a non-privileged location, then sudo is not needed.

2. run the ts-2000 rigctl emulation program rigctlcom so that it is listening for TS-2000 commands on one end of the above serial port parts and talks to rigctld natively on the other. On the other end, you would connect a logging program or another program that expects a serial/COM port.

sudo rigctlcom  -m 2 -R /dev/vtty0 -S 115200

3. Now, as a test, open minicom, turn off hardware control off, set the port to /dev/vtty1 and type in FA;. It should display the current frequency used by pihpsdr. Other programs like logging programs can now connect to it.

This is the basic idea. One can run all of these programs in a single computer or in multiple computers connected via network with the right configuration. rigctl and rigctlcom also takes a -r switch to specify the address of of the "NET rigctl" as the radio, provided a -m 2 parameter is also passed to rigctl. Some knowledge of how the programs all work together is helpful when debugging issues.

Raspberry Pi 3/4 standalone code for HPSDR

Supports both the old and new ethernet protocols.

See the Wiki (https://github.com/g0orx/pihpsdr/wiki) for more information about building and running piHPSDR.

Note: The latest source now code has the gpiod branch merged in and also reuqires the latest version of wdsp.