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AIRSPY Software
Andrea Montefusco - IW0HDV

Extio for AIRSPY updated to libairspy 1.0.7

A new release of ExtIO module is available here for testing.

Download AirSpy ExtIO 1.04

The new release sports two new features:

  1. dynamically reads all the sample rates supported by the firmware using the new function introduced in libairspy since release 1.0.5
  2. implements the new custom (a.k.a. automatic) gain modes found in libairspy 1.0.7

I did limited tests with Studio 1 and HDSDR 2.70. Please signal any bug using the GitHub issues page not on the mailing list.

Extio for AIRSPY

What is this software ?
It is an Extio shared library (DLL), a plugin that allows to use AirSpy radio with several SDR programs on Windows.

It has been designed following the original Alberto's I2PHD specifications, so it works with Studio1 and, hopefully, with all the extio compliant programs. Other than Studio1, I tested it on HDSDR and with the original Alberto Di Bene I2PHD WinRad.

A shared library executable image is found here: that image has been built using the MinGW environment. For my convenience I run MinGW on Windows, but it should be feasible to build it even on Unix. Moreover, probably other Windows compilers can be used.

In order to use the library, simply copy it in the same directory from where the SDR program executable is run. It shouldn't require any other additional dll.

The current executable has built-in some diagnostic code that produces a log file (named airspy-1.log) in the same directory where the dll is loaded from. In case you incurs in some anomaly, it is essential you provide me that file.
Make sure the user that runs the program has the write rights for that directory. This shared library has been written using the airspy library found here and compiled with GCC; libraries libusb-1.0 and libpthread are requested by the Airspy orginal code.

For what concerns the driver's installation, please follow the original instructions. In my experience, on W8.1 the AIRSPY hardware was automatically detected by the system, whilst on the two W7 I had to resort to the XP procedure using Zadig utility and everything worked fine.
I did tests with Studio1 and HDSDR. Keep in mind that, especially at the highest sample rate (10 MS/s), you will need a quite powerful computer.

The source code will be found in the following GITHUB repository.

The code is licensed under the GPLv3 (with exception of libairspy code that retains its licence).

Please note that, using the git client on Windows, whilst is perfectly feasible both via CLI and GUI, is not mandatory, neither advisable, unless you want to contribute to develop the code.

So, if you want the source just in order to take a look or just for rebuild on your system, it is preferrable use the Download button present in the GitHUB repository home page previously mentioned.

Please signal any bug and feature request using the GitHub Issues page.
Do not use mailing lists, forums, Fxxxbook or other so called social media, because I don't read them frequently (if ever).