comicsansg/CubicSDR
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99 Commits 1 Branch 37 Tags 184 MiB
06513e2064
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82 Commits

Author SHA1 Message Date
Charles J. Cliffe
06513e2064 Cleanup / re-factor. Pair audio thread with demod 2014-11-30 17:11:29 -05:00
Charles J. Cliffe
499e411048 Remove DC spike from IQ stream and visuals 
IQ post-process / distribution in separate thread, use of
iirfilt_crcf_create_dc_blocker to reduce DC offset in IQ stream.
 2014-11-29 13:58:20 -05:00
Charles J. Cliffe
93b20454d3 Increase keyboard L/R arrow key tuning speed 2014-11-28 19:00:05 -05:00
Charles J. Cliffe
1554348f55 Demodulator can now tune offset! 
Demodulator will up-convert / down-convert by mixing VCO with incoming
IQ to shift frequency -- No longer limited to center freq. can listen
anywhere on the waterfall.
 2014-11-27 22:13:21 -05:00
Charles J. Cliffe
df853bfd65 Removed unused/empty source files 2014-11-27 12:55:55 -05:00
Charles J. Cliffe
97e219724e Disable mouse locking on OSX -- causes event loop 2014-11-27 12:53:35 -05:00
Charles J. Cliffe
65a5dbb24d Proper demodulator resamp and filter reinit 2014-11-26 22:29:23 -05:00
Charles J. Cliffe
ddbc08a4ff Drag up/down to set arbitrary FM demod bandwidth 
Shouldn't need separate WBFM/FM/NFM setting this way -- Just "FM" and
then set arbitrary bandwidth by dragging.

Also removed redundant demod resampling stages left over from early
experiments.
 2014-11-26 21:05:19 -05:00
Charles J. Cliffe
f441546023 Pick freq/drag in waterfall, show demod bandwidth 2014-11-25 22:51:14 -05:00
Charles J. Cliffe
f6966b1824 Simple class for tracking wx mouse in unit 0..1 2014-11-25 21:07:13 -05:00
Charles J. Cliffe
4900ce7f17 Can now tune by dragging middle spectrum view 2014-11-25 00:35:06 -05:00
Charles J. Cliffe
5977fb144b Missing freq assignment 2014-11-23 20:02:48 -05:00
Charles J. Cliffe
cae1855fc5 Move code out of frame, proper thread termination 2014-11-23 19:39:27 -05:00
Charles J. Cliffe
ac20bc1e84 Cleanup 2014-11-22 23:38:37 -05:00
Charles J. Cliffe
fa521ac30d Switch from portaudio callback to stream write 
It’s already in a thread, not sure if callback was helping?
 2014-11-22 22:56:33 -05:00
Charles J. Cliffe
39ba38b82a Cleanup / Reformat 2014-11-22 22:33:32 -05:00
Charles J. Cliffe
58708a720e SDR->Demod->Audio chain all using std::thread 
2% CPU usage drop on 3.2G i7 desktop
 2014-11-22 22:17:33 -05:00
Charles J. Cliffe
26168a2713 SDR and Audio thread now using std::thread 
Next up, demod thread..
 2014-11-22 20:57:06 -05:00
Charles J. Cliffe
35830afed0 new thread queue testing 2014-11-21 21:50:14 -05:00
Charles J. Cliffe
99aa87df63 Now working on gcc4.8, x86-64 on windows 
Had to make my own portaudio and rtl-sdr binaries. The available
packages weren't compatible somehow.  Also wxWidgets wxPack doesn't
include OpenGL support but it's easy enough to compile.
 2014-11-21 00:49:41 -05:00
Charles J. Cliffe
f6f4c3c057 Revert "switch from portaudio -> libao" 
This reverts commit 8972e87765.
 2014-11-20 20:28:40 -05:00
Charles J. Cliffe
28afe9d3be Merge branch 'dynamic_demod' of https://github.com/cjcliffe/CubicSDR into dynamic_demod 
Conflicts:
	CMakeLists.txt
 2014-11-20 20:12:38 -05:00
Charles J. Cliffe
9706ed8f7e Update to 64-bit, add test threadqueue 2014-11-20 20:10:28 -05:00
Charles J. Cliffe
8972e87765 switch from portaudio -> libao 2014-11-19 23:41:57 -05:00
Charles J. Cliffe
a9d46b7624 Preparing to change threading model 2014-11-19 17:41:49 -05:00
Charles J. Cliffe
9150439283 Thread priority bump, main thread sleep 2014-11-18 19:02:07 -05:00
Charles J. Cliffe
054ac3f840 Attempting to fix OSX portaudio jitter.. 2014-11-18 18:35:40 -05:00
Charles J. Cliffe
6624ec11a3 IQ->Demod->Audio threads now chained 
No longer passing anything through the main thread which was causing
audio and IQ interrupts on UI events -- hopefully improves OSX jitter.

SDRThread can now have unlimited Demodulator bindings.. :)
 2014-11-18 18:00:06 -05:00
Charles J. Cliffe
75c51f1236 missing return params 2014-11-17 23:25:14 -05:00
Charles J. Cliffe
dd42d112c9 Demodulator can now be initialized with parameters 2014-11-17 22:58:56 -05:00
Charles J. Cliffe
7f5031b6e5 cleanup 2014-11-17 21:35:10 -05:00
Charles J. Cliffe
532968a818 Source folder cleanup 2014-11-17 21:29:27 -05:00
Charles J. Cliffe
8c6eea44b8 fix win32 include on non win32 2014-11-17 19:48:28 -05:00
Charles J. Cliffe
7e174ab1dd All threads now using transaction objects and queue 
Additional cleanup, remove outdated IQBufferThread experiment
 2014-11-17 19:37:53 -05:00
Charles J. Cliffe
44542dd878 Merge pull request #5 from cjcliffe/master 
Win32 timer class fix
 2014-11-17 18:17:10 -05:00
Charles J. Cliffe
e91696c012 SDRThread now passes IQ Data transaction object 
Also using sdr thread queue and standard thread event to send payload
now.
 2014-11-17 18:14:37 -05:00
Charles J. Cliffe
b78fefb221 Win32 timer class fix 2014-11-17 18:12:20 -05:00
Charles J. Cliffe
a7d7ec0d93 Frame rate limiter 2014-11-16 23:20:48 -05:00
Charles J. Cliffe
82b6b67f3c Re-connect scope to demodulator output data 2014-11-16 19:14:15 -05:00
Charles J. Cliffe
1950c3109a Balanced thread performance w/ CPU usage 
Seems smooth and responsive now.
 2014-11-16 19:02:40 -05:00
Charles J. Cliffe
739854cd7f Demodulator and Audio threads working 
Data now flows from SDR IQ Thread -> Demodulator Thread -> Audio Thread.
Seems to have added a significant audio delay though..
 2014-11-16 17:33:54 -05:00
Charles J. Cliffe
2a34fc9cf9 New demodulator thread code 2014-11-16 16:51:45 -05:00
Charles J. Cliffe
16a9add9ef New threads partly implemented 
Mid transition from 1 to 3 threads: SDR IQ, Demod and Audio separated,
AppFrame routes.
 2014-11-16 16:50:37 -05:00
Charles J. Cliffe
2e5bdc2646 Separate visual components Scope/Spectrum/Waterfall 
Each now on it's own canvas with shared GL Context
 2014-11-15 23:41:41 -05:00
Charles J. Cliffe
541ab5614c Separate Primary GL Context and visuals canvas 
Can now create multiple GL canvases with shared context
 2014-11-12 21:55:11 -05:00
Charles J. Cliffe
02cd0f6516 FM Demodulator fixes 
was an implicit float to int in the primary filter cutoff value causing
distortion.
 2014-11-12 19:09:22 -05:00
Charles J. Cliffe
adc6fcce85 Waterfall tweaking, automatic range adjustment 2014-11-12 00:28:20 -05:00
Charles J. Cliffe
810533750f waterfall optimize, fm demod audio filtering 
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
Charles J. Cliffe
86dadb8f2c Waterfall now being displayed 2048x512 
Uses indexed color scheme, FFT image is byte array
 2014-11-11 20:25:16 -05:00
Charles J. Cliffe
fe2e56231d gradient util, started waterfall implementation 2014-11-11 08:11:12 -05:00