Re: [Discuss-gnuradio] OP25 FSK4 Demodulator Error

2015-02-26 Thread ikjtel
Hi Bob On Thursday, February 26, 2015 12:40 PM, bob wole wrote: > Hi, Before I start working on Op25 I want to know what kind of demodulator > detector is op25> using? Correlation filters or frequency discriminator > (quadrature demod) ? Which algos> for symbol timing and frequenc

Re: [Discuss-gnuradio] OP25 FSK4 Demodulator Error

2015-02-22 Thread ikjtel
Firstly, the current gr-op25 recipe in pybombs will build a version of OP25 that's  compatible only with GNU Radio version 3.7.  (If one really wanted to build OP25 for GR3.6 he could pull the old SVN repo which is still online, but that version is no longer maintained).  However (last I knew)

Re: [Discuss-gnuradio] OP25 FSK4 Demodulator Error

2015-02-22 Thread Marcus Müller
Hi Brandon, well, I haven't tested OP25 on neither 3.6 nor 3.7, but the changes between the 3.6 and 3.7 class naming and module organization are the nr. 1 cause of OOT regressions; I've only fired up osmocom.org and had a look on the OP25 to-do list, which says "Re-engineering and re-factoring to

Re: [Discuss-gnuradio] OP25 FSK4 Demodulator Error

2015-02-22 Thread Marcus Müller
Hi Brandon, which version of GNU Radio are you working with (`gnuradio-config --version`)? I'm not quite sure, but I think the porting of OP25 to GR 3.7 is still ongoing, so I'm not quite sure it's supposed to work with current GNU Radio at this point. Greetings, Marcus On 02/22/2015 07:07 PM, Br

[Discuss-gnuradio] OP25 FSK4 Demodulator Error

2015-02-22 Thread Brandon Lester
I'm trying to get my OP25 flowgraph to work. I am having some issues with the FSK4 demodulator and the OP25 Decoder (Combined) blocks. When I run the flowgraph, I get the error "Exception: Could not find a FSK4 demodulator to use". This happens whether I use the combined block, or the FSK4 Demodula