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Re: [Discuss-gnuradio] RTTY receiver
From: |
Cinaed Simson |
Subject: |
Re: [Discuss-gnuradio] RTTY receiver |
Date: |
Mon, 10 Jun 2019 23:27:09 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 |
On 6/10/19 9:05 PM, Kyeong Su Shin wrote:
> Hello Barry,
>
>
> Apparantly, the module has portability issues (will build on x86 but
> won't build on ARM) due to data type issues.
It builds find on my ARM 64 Odroid running jessie. Maybe it just doesn't
build on the raspberry pi 3. I'm running a slightly dated version of
gnuradio - 3.7.12git-295-ga0adcd33.
-- Cinaed
To build the package, you
> will have to edit lib/baudot_encode_bb_impl.h:
>
>
> "static const char ascii_to_letters[128]" should become
>
>
> "static const *signed* char ascii_to_letters[128]", and
>
>
> "static const char ascii_to_figures[128]" should become
>
>
> "static const *signed* char ascii_to_figures[128]".
>
>
> That will allow the module to build, although you may have to make
> further changes to get "Boudot Encode" block working correctly (I didn't
> test that; maybe I should make a pull request after that).
>
>
> Regards,
>
> Kyeong Su Shin
>
>
> ------------------------------------------------------------------------
> *보낸 사람:* address@hidden <address@hidden>
> *보낸 날짜:* 2019년 6월 11일 화요일 오전 2:56:02
> *받는 사람:* Kyeong Su Shin
> *참조:* address@hidden
> *제목:* Re: [Discuss-gnuradio] RTTY receiver
>
> Thank you for your response. Since this is my first issue on
> 'discuss-gnuradio', I am not sure how to get my reply to you posted in
> the thread. This looks like it might work. If not, please let me know
> what to do.
>
> I did the "sudo ldconfig" and it got rid of the "include could not find
> load file: GrPython", but not the other problem, so I decided to start
> from scratch.
>
> I have
> Raspberry Pi 3 B+
> Rasbian Linux (v2)
>
> I deleted the folder 'gr-radioteletype'
> download zip from https://github.com/bitglue/gr-radioteletype
> <https://github.com/bitglue/gr-radioteletype>
>
> GitHub - bitglue/gr-radioteletype: GNU Radio blocks for RTTY and PSK31
> <https://github.com/bitglue/gr-radioteletype>
> github.com
> GNU Radio blocks for RTTY and PSK31. Contribute to
> bitglue/gr-radioteletype development by creating an account on GitHub.
>
>
> extract zip to /home/pi
> cd ~/gr-radioteletype-master
> mkdir build
> cd build
> cmake ../
> make
> [ 5%] Building CXX object
> lib/CMakeFiles/gnuradio-radioteletype.dir/async_word_extractor_bb_impl.cc.o
> [ 10%] Building CXX object
> lib/CMakeFiles/gnuradio-radioteletype.dir/baudot_decode_bb_impl.cc.o
> [ 15%] Building CXX object
> lib/CMakeFiles/gnuradio-radioteletype.dir/baudot_encode_bb_impl.cc.o
> In file included from
> /home/pi/gr-radioteletype-master/lib/baudot_encode_bb_impl.cc:26:0:
> /home/pi/gr-radioteletype-master/lib/baudot_encode_bb_impl.h:65:5:
> error: narrowing conversion of ‘-1’ from ‘int’ to ‘char’ inside { }
> [-Wnarrowing]
> };
> ^
> /home/pi/gr-radioteletype-master/lib/baudot_encode_bb_impl.h:100:5:
> error: narrowing conversion of ‘-1’ from ‘int’ to ‘char’ inside { }
> [-Wnarrowing]
> };
> ^
> /home/pi/gr-radioteletype-master/lib/baudot_encode_bb_impl.h:100:5:
> error: narrowing conversion of ‘-1’ from ‘int’ to ‘char’ inside { }
> [-Wnarrowing]
> lib/CMakeFiles/gnuradio-radioteletype.dir/build.make:110: recipe for
> target
> 'lib/CMakeFiles/gnuradio-radioteletype.dir/baudot_encode_bb_impl.cc.o'
> failed
> make[2]: ***
> [lib/CMakeFiles/gnuradio-radioteletype.dir/baudot_encode_bb_impl.cc.o]
> Error 1
> CMakeFiles/Makefile2:137: recipe for target
> 'lib/CMakeFiles/gnuradio-radioteletype.dir/all' failed
> make[1]: *** [lib/CMakeFiles/gnuradio-radioteletype.dir/all] Error 2
> Makefile:138: recipe for target 'all' failed
> make: *** [all] Error 2
>
> Both of the error messages were repeated *many* times. I looked at the
> code for baudot_encode_bb_impl.h, but could not see any problems with
> it.
>
> I appreciate any help you can give.
>
> Best wishes,
>
> Barry
>
> On 2019-06-10 00:29, Kyeong Su Shin wrote:
>> Hello Barry:
>>
>> Did you try "sudo ldconfig"?
>>
>> If so, could you provide us the relevant software versions (GNU Radio
>> version, Linux distro type, etc) and the full steps that you took to
>> build the module? gr-radioteletype from "
>> https://github.com/bitglue/gr-radioteletype/ " builds and runs fine on
>> my machine (tm).
>>
>>
>> Regards,
>>
>> Kyeong Su Shin
>>
>>
>> ________________________________
>> 보낸 사람: address@hidden <address@hidden> 대신 Discuss-gnuradio
>> <discuss-gnuradio-bounces+ksshin=address@hidden>
>> 보낸 날짜: 2019년 6월 10일 월요일 오전 5:08:32
>> 받는 사람: address@hidden
>> 제목: [Discuss-gnuradio] RTTY receiver
>>
>> I have been a real-time programmer for over 50 years, and a ham for 66
>> years, but am new to Gnu Radio. My project is to build a complete RTTY
>> receiver with SDR. In looking about for any applicable code, I found
>> gr-radioteletype, but seem to be missing some of the pieces. Using the
>> cmake, make, and make install steps I was able to get the flow graph to
>> work, but when I try to execute it I get:
>>
>> "from radioteletype.demodulators import rtty_demod_cb
>> No module named radioteletype.demodulators"
>> and
>> "include could not find load file: GrPython"
>>
>> What am I missing? I have searched for GrPython and not found any
>> mention of it.
>>
>> As an alternative, I have the RTTY signal demodulated into a bit
>> stream,
>> and I have Python code to extract RTTY characters from a bit stream,
>> but
>> haven't figured out how to plug the two together.
>>
>> Any help on either issue would be appreciated greatly.
>>
>> Thanks, Barry KV4FV
>>
>> _______________________________________________
>> Discuss-gnuradio mailing list
>> address@hidden
>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
- [Discuss-gnuradio] RTTY receiver, barry, 2019/06/09
- Re: [Discuss-gnuradio] RTTY receiver, Kyeong Su Shin, 2019/06/10
- Re: [Discuss-gnuradio] RTTY receiver, barry, 2019/06/10
- Re: [Discuss-gnuradio] RTTY receiver, barry, 2019/06/12
- Re: [Discuss-gnuradio] RTTY receiver, CEL, 2019/06/12
- Re: [Discuss-gnuradio] RTTY receiver, Barry Duggan, 2019/06/12
- Re: [Discuss-gnuradio] RTTY receiver, CEL, 2019/06/13
- Re: [Discuss-gnuradio] RTTY receiver, Ron Economos, 2019/06/13