541ab5614c
Separate Primary GL Context and visuals canvas
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Can now create multiple GL canvases with shared context
2014-11-12 21:55:11 -05:00
02cd0f6516
FM Demodulator fixes
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was an implicit float to int in the primary filter cutoff value causing
distortion.
2014-11-12 19:09:22 -05:00
adc6fcce85
Waterfall tweaking, automatic range adjustment
2014-11-12 00:28:20 -05:00
810533750f
waterfall optimize, fm demod audio filtering
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Moved waterfall increment into rendering to reduce audio processing
impact.
Added another test filter and resample stage to FM demod experiment to
clean up audio and remove high pitch on stereo channels until it can be
demodulated.
2014-11-11 21:42:18 -05:00
86dadb8f2c
Waterfall now being displayed 2048x512
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Uses indexed color scheme, FFT image is byte array
2014-11-11 20:25:16 -05:00
fe2e56231d
gradient util, started waterfall implementation
2014-11-11 08:11:12 -05:00
b270379361
Honor PA_RECOMMENDED_OUTPUT_DEVICE on Win32
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PortAudio defaults to output on my Virtual Cable INPUT #A?? -- strange
but this gets around it neatly for now.
2014-11-09 21:21:11 -05:00
9913629a7e
Use first available RTL device
2014-11-09 20:55:21 -05:00
3bd4736595
Merge pull request #2 from cjcliffe/demod_experiment_buffering
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Demodulation experiment complete, ready to move on
2014-11-09 18:14:55 -05:00
a78a862cba
Moved demodulation code into it's own class
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Preparing to make it more dynamic, able to tune multiple frequencies at
once and support remaining demodulation modes (AM, USB, LSB)
2014-11-09 18:12:02 -05:00
14d7e431bd
PortAudio adjustments for OSX
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Seems to be some sort of audio init race condition, intermittent crash
on startup
2014-11-09 05:18:33 -05:00
b70b659a5f
Removed OpenAL and now using PortAudio
2014-11-09 04:38:33 -05:00
c3c204bc04
Pitch issue fixed, OpenAL weirdness
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Might be time to retire OpenAL -- is behaving strangely on output
stream..
2014-11-08 20:50:28 -05:00
5554c92199
minor variable changes
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demodulated frequency still shifted by about half?
2014-11-08 18:48:03 -05:00
6c1ec6eba2
new demod test
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working but frequency seems to be shifted?
2014-11-08 17:08:00 -05:00
bd7d748e58
Experimenting with FM demod options
2014-11-07 13:51:43 -05:00
44e7744855
filtering / fm demod experiments
2014-11-07 01:47:57 -05:00
42034717c5
moved liquid header
2014-11-07 00:39:53 -05:00
b6a658b819
more liquid dsp experiments
2014-11-07 00:27:06 -05:00
428525e807
experimental liquid-dsp testing
2014-11-06 21:30:47 -05:00
2092505e20
Adding buffer and testing demod functionality
2014-11-06 01:33:59 -05:00
e0344d8efc
Now playing FM through OpenAL!
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great success!
2014-11-05 21:05:56 -05:00
f071b2b025
Added OpenAL /w audio init test
2014-11-05 19:10:18 -05:00
d91cffbe58
Now plotting spectrum and demodulated FM
2014-11-05 18:12:42 -05:00
39afec2172
testing fm demodulation
2014-11-04 23:05:04 -05:00
f22a929828
Started demodulator class based on rtl_fm.c
2014-11-04 21:55:20 -05:00
a1d76f1e11
Merge pull request #1 from cjcliffe/experimental-threading
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Thread task queue and basic frequency tuning support for SDRThread
2014-11-04 19:55:01 -05:00
7eae5517fa
remove example code
2014-11-04 19:54:00 -05:00
a8f1a87505
Can now control SDRThread freq. via thread task
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Basic left/right keys bound for shifting frequency test.
2014-11-04 19:52:11 -05:00
9896808b22
Clean-up / re-factor
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thread queue and task handler compiling and program functional
2014-11-04 18:39:08 -05:00
8dee90cd63
Starting work on threading model, incomplete
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Includes experimental averaging of spectrum
2014-11-04 17:25:04 -05:00
1cd8565fb3
Experiment to remove DC / other spikes
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Seemed logical to use the repeating parts of the forward/back FFT
results to overlap and cancel out spikes -- seems to work?
2014-10-31 20:41:49 -04:00
c4099cb690
Re-align spectrum view
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DC spike now showing?
2014-10-31 19:10:53 -04:00
62a8c13be7
Windows build fix
2014-10-31 02:31:43 -04:00
eb4e10140a
Now showing 2.5MHz bandwidth over FM ranges
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Moves frequency back/forth over the FM range
2014-10-31 01:37:01 -04:00
7fe286cf0c
Now plotting IQ spectrum
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seems to only be showing half the bandwidth..
2014-10-30 22:51:33 -04:00
2ef8010438
Rendering rtl-sdr I/Q data to the GL canvas
2014-10-28 22:59:17 -04:00
23f8c6a197
Now passing IQ data from SDR Thread to AppFrame
2014-10-28 21:39:59 -04:00
0e25cbcc1a
OSX now compiling and working
2014-10-27 23:52:25 -04:00
a81889a61b
Update LICENSE
2014-10-27 21:32:29 -04:00
ff40519abd
Update README.md
2014-10-27 21:28:27 -04:00
5f0bc4f4f8
fix issue with SDRThread logging
2014-10-27 21:26:12 -04:00
d27d91c1ef
Code re-factor / cleanup
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GL Window now ready to draw signal lines
2014-10-27 21:22:29 -04:00
c2a37e7622
Initial experiment /w wxWidgets opengl view and sdr sampling.
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Includes working rtl-sdr sampling thread test.
2014-10-27 20:05:40 -04:00
6bb7d344aa
Initial commit
2014-10-26 12:36:32 -04:00
Charles J. Cliffe
Charles J. Cliffe