[Hackrf-dev] ExtIO for HDSDR for HackRF

[steve smith]

To the best that I can see using HDSDR, the software doesn't provide any items for transmit capability - or any of the features that would be required for setting up various levels for transmitting.  It would seem that even the the ExtIO would have that ability to switch the SDR radio, if the software itself doesn't have any features to support that ability, then it is useless.  It would be something that the HDSDR author would have to implement before the DLL would be of any use to anyone.

Just my opinion.

Steve

From: supersat at cs.washington.edu
Date: Tue, 12 May 2015 11:31:49 -0700
To: veso266 at gmail.com
Subject: Re: [Hackrf-dev] ExtIO for HDSDR for HackRF
CC: hackrf-dev at greatscottgadgets.com

It looks like you need some sort of magic key to enable transmitting. I think at one point their business model might have depended on radio manufacturers paying for this key to enable HDSDR to transmit using their radios.
On Tue, May 12, 2015 at 10:17 AM, Mitja kocjančič <veso266 at gmail.com> wrote:
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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