[Hackrf-dev] ExtIO for HDSDR for HackRF

Mitja kocjančič veso266 at gmail.com
Tue May 12 13:17:11 EDT 2015


Hi anyone willing to make ExtIO for HDSDR for HackRF?

here are some specs what this is and how to make it
Q: What is an ExtIO-DLL?
A: The HDSDR software doesn't communicate with the SDR hardware
directly. It communicates with the SDR radio hardware through an
External Input Output Dynamic Link Library (ExtIO-DLL) file, which is
a type of plug-in. Alberto di Bene designed the DLL interface so that
Winrad can operate with a wide range of SDR hardware. We extended the
DLL-interface to support TX switching. Winrad and HDSDR can support
new hardware radios using an ExtIO-DLL file without the need to
change the HDSDR software. ExtIO DLL files are written by anyone who
wishes to provide support for any particular SDR hardware. In this
manner, several radios can be used with a single piece of software.
The software in this case is HDSDR.

Q: How do I develop an ExtIO-DLL?
A: At this point, we assume that you are a software developer
familiar with C/C++ programming. Here is a "hopefully" well
documented <http://www.hdsdr.de/download/LC_ExtIO_Types.h>header file
(updated February 24, 2014), which specifies the interface between
HDSDR and an ExtIO-DLL. Here is also an example
<http://hdsdr.de/download/ExtIO/ExtIO_Demo_101.zip>ExtIO DLL with
sources as public-domain, developed with Microsoft Visual C++ 2008
Express Edition.
Balint wrote one for USPR http://wiki.spench.net/wiki/ExtIO_USRP
dunno if it transmits.

So if anyone is willing to make this DLL it would be huge benefit as we
could finaly transmitt on windows with HDSDR
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