Commit Graph

388 Commits

Author SHA1 Message Date
Jared Boone
4734790518 Rework phase detector.
Simplify calculation of gate masks.
Use entire symbol period to compute symbol value.
Correct error sign based on symbol value.
2016-06-01 15:22:21 -07:00
Jared Boone
36eefa46e7 Improve OOK phase advance algorithm.
Now independent of samples/symbol, adjusts up to 1/8 of a cycle per symbol.
2016-06-01 15:20:23 -07:00
Jared Boone
57767004a2 TPMS: Comments, more descriptive declarations. 2016-05-30 11:28:22 -07:00
Jared Boone
38b374506e More TPMS variable/enum renaming. 2016-05-23 18:02:25 -07:00
Jared Boone
249e6ab21e TPMS: Improve descriptiveness of pipeline component names. 2016-05-23 11:22:09 -07:00
Jared Boone
a4ddf786d4 TPMS: Move only FSK slicer and payload handler into .hpp. 2016-05-23 11:12:06 -07:00
Jared Boone
d81d879aac Shrink understood TPMS packet payload sizes to minimum required. 2016-05-17 11:26:17 -07:00
Jared Boone
9e3ac94187 A bit more TPMS member variable renaming. 2016-05-17 11:24:33 -07:00
Jared Boone
ad554b28b5 Rename TPMS clock recovery, packet builders for accuracy. 2016-05-17 11:11:30 -07:00
Jared Boone
b82eff51dd Refactor of capture buffer management between cores.
Instead of copying data into and out of FIFO, passing buffer pointers between cores that are sized to match preferred/ideal SD card write size.
2016-05-10 14:12:37 -07:00
Jared Boone
85a6ecd5dc Missing "using namespace". 2016-05-10 11:02:42 -07:00
Jared Boone
1789868b8a Track bytes from baseband and dropped when entering capture FIFO. 2016-04-27 10:40:50 -07:00
Jared Boone
d63136c52e Remove unused StreamInput::written(). 2016-04-27 10:32:29 -07:00
Jared Boone
d2cf129fd5 Retain CaptureConfig pointer in StreamInput. 2016-04-27 10:32:06 -07:00
Jared Boone
3e08318012 Pass CaptureConfig to StreamInput as pointer. 2016-04-27 10:31:37 -07:00
Jared Boone
91ee2dbb67 Move FIFO and write size to CaptureConfig structure.
Now configured from baseband, where write size and appropriate FIFO size is known.
2016-04-26 22:26:30 -07:00
Jared Boone
d5e21ce972 Use CaptureConfig to share state between cores.
Remove awful FIFO_HACK.
TODO: Lots of repeated code...
TODO: Capture thread is signalled too frequently.
2016-04-23 15:07:44 -07:00
Jared Boone
67eb62ec12 Provide AudioOutput::set_stream().
Assign when wanting to capture audio stream.
2016-04-23 14:55:59 -07:00
Jared Boone
051a63a222 Fix and clean up calculation of filter passband in capture mode. 2016-04-21 11:55:03 -07:00
Jared Boone
28ca45326d Fix capture mode baseband_fs value. 2016-04-21 11:54:39 -07:00
Jared Boone
ec75c00da2 Add capture mode waterfall. 2016-04-13 11:09:18 -07:00
Jared Boone
60a0d5c469 Capture mode channel stats 2016-04-12 10:51:20 -07:00
Jared Boone
e85503cd81 Nascent support for OOK TPMS transponders.
Apparently, Subaru and GMC. No CRC or other validation, no attempt to interpret packet contents yet.
2016-04-11 11:53:17 -07:00
Jared Boone
dc16aa478f OOK slicer, clock recovery classes. 2016-04-11 11:50:03 -07:00
Jared Boone
5558ca60d7 Enlarge capture buffers -- inter-core FIFO, SDC 2016-04-11 11:00:47 -07:00
Jared Boone
743dc9f542 Rough implementation of capture mode 2016-04-11 10:59:55 -07:00
Jared Boone
9eefd56410 StreamInput: notify other core every fourth of FIFO written. 2016-04-11 10:20:19 -07:00
Jared Boone
a5c2143ca8 Signal M0 when stream FIFO has another "chunk". 2016-04-11 10:20:19 -07:00
Jared Boone
0d8971cd7d Use size of provided buffer for stream write. 2016-04-11 10:20:19 -07:00
Jared Boone
56e448d355 Track StreamInput bytes written 2016-04-11 10:20:19 -07:00
Jared Boone
f94938db8e De-template FIFO. 2016-04-11 10:20:19 -07:00
Jared Boone
59f1a32566 Semi-naive audio recording to SD card. 2016-04-11 10:20:19 -07:00
Jared Boone
c01f2d82e1 Move TPMS taps to dsp_fir_taps.hpp.
Will soon use in proc_record.cpp.
2016-04-11 10:18:31 -07:00
Jared Boone
4ac2c540c9 Disable SDC "nice waiting" for performance.
Quick test indicates 4.5% better average write performance. No change in reads.
2016-04-10 17:24:28 -07:00
Jared Boone
b35a8c4501 Add TPMS signal_type. 2016-04-06 17:04:40 -07:00
Jared Boone
bf348cf30a Move message handling loops to MessageQueue. 2016-02-27 21:07:11 -08:00
Jared Boone
6101ca36cd Use unique_ptr for baseband_buffer. 2016-02-23 20:21:32 -08:00
Jared Boone
3493b7d1b7 Hide BasebandThread::baseband_processor. 2016-02-23 19:56:55 -08:00
Jared Boone
a1b9f4aa1b Simplify, generalize, share int16_t taps copy function.
Also prevents compiler loop unrolling in non-critical code, for code size improvement.
2016-02-23 15:04:20 -08:00
Jared Boone
9c11fdf80c Explicit std::function nullptr checks.
Eliminates std::function check which tries to "_ZSt25__throw_bad_function_callv", along with 816 bytes of extra code, including some locale/wlocale/moneypunct nonsense.
2016-02-23 13:30:41 -08:00
Jared Boone
0c29308eb9 Fix FM squelch.
Forgot to recalibrate when adjusting normalization of float/audio signal path.
2016-02-16 11:32:38 -08:00
Jared Boone
ef86848139 Change baseband floats to normalize at +/-1.0. 2016-02-14 12:38:50 -08:00
Jared Boone
a5ed3b20b4 Audio compressor makeup gain value was inverted. Oops. 2016-02-14 12:17:04 -08:00
Jared Boone
1cdeb1ca4e Use audio compressor in AM/SSB receiver mode. 2016-02-13 11:19:32 -08:00
Jared Boone
9f4c8929ac Audio compressor implementation. 2016-02-13 11:19:07 -08:00
Jared Boone
b0e76191d7 Simplify some silly math. 2016-02-10 11:23:41 -08:00
Jared Boone
d125a5c662 Remove "K" parameter from FIFO template. 2016-02-10 10:41:06 -08:00
Jared Boone
096e961c67 Remove ChibiOS registry, thread names.
Only useful for debugging, but even then not very visible or useful. Gained 256 bytes of code RAM.
2016-02-09 11:36:38 -08:00
Jared Boone
ae93d8ee58 Simplify RSSI/BB DMA, extract to ThreadWait class.
Also saved 688 bytes of code.
2016-02-09 10:41:19 -08:00
Jared Boone
aae1a953fc Init matched filter output variable. 2016-02-06 16:24:14 -08:00
Jared Boone
ac2320f0c5 Limit scope of some function variables. 2016-02-06 16:23:55 -08:00
Jared Boone
9430c94dec Move I2S management to application side. 2016-02-05 15:25:08 -08:00
Jared Boone
cefab197da Add virtual destructor for ThreadBase.
Oops!
2016-02-05 10:44:27 -08:00
Jared Boone
20137db8d0 Move code into .cpp for tiny code size improvement. 2016-02-03 22:47:44 -08:00
Jared Boone
af8c9609a8 Little code size tweak using std::move in constructors. 2016-02-03 22:47:22 -08:00
Jared Boone
cff314cbc8 Convince compiler to not inline member constructors. 2016-02-03 19:59:41 -08:00
Jared Boone
ceef8d32d3 Use more accurate arctan for NBFM demodulation. 2016-02-02 16:15:14 -08:00
Jared Boone
ab2c5b256f Reinstate and slightly tweak NBFM squelch. 2016-02-02 16:08:18 -08:00
Jared Boone
faf0fd6b91 Remove some spurious comments. 2016-01-30 21:11:59 -08:00
Jared Boone
e778be6472 Selection of AM/SSB from application side. 2016-01-30 18:02:28 -08:00
Jared Boone
f2dff16820 Use complex channel filter taps for AM/SSB. 2016-01-30 17:30:54 -08:00
Jared Boone
ad4d7a2e8a Add SSB demodulator, switch between AM and SSB. 2016-01-30 17:30:03 -08:00
Jared Boone
1915ff980f Add AM processor decim_2. 2016-01-30 17:28:11 -08:00
Jared Boone
b029bacd8c Remove channel decimation from AMConfigureMessage. 2016-01-30 17:21:48 -08:00
Jared Boone
220b7b0a6a Add SSB demodulator. 2016-01-29 22:27:18 -08:00
Jared Boone
a558565886 Further template BlockDecimator by element type, use for audio buffer.
Appropriating for use as a buffer accumulator that will save up enough audio samples to put into an audio DMA buffer.
2016-01-29 19:25:08 -08:00
Jared Boone
aead1d8798 Change NBFM audio fs->24k, AM ->12k.
Send channel decimation factor from application to baseband.
2016-01-29 19:23:30 -08:00
Jared Boone
28e5b7e4af Remove some filter constructors, reset Z on configure(). 2016-01-29 17:06:22 -08:00
Jared Boone
d984532190 Converging AM, NBFM processors for eventual merging. 2016-01-29 16:18:03 -08:00
Jared Boone
7c65a2d650 Clean up baseband processor statics. 2016-01-29 16:11:00 -08:00
Jared Boone
96898f82b2 Pass IIR configs from application to baseband. 2016-01-29 15:57:20 -08:00
Jared Boone
01e14ecbcf Move IIR struct and configs to common/. 2016-01-29 15:43:39 -08:00
Jared Boone
db642cac8d Change audio sampling rates on NBFM, AM modes. 2016-01-29 15:33:01 -08:00
Jared Boone
0e436ded14 Add IIR configs for lower audio sampling rates. 2016-01-29 15:32:32 -08:00
Jared Boone
a2a169352c Rename existing IIR configs to reflect fs=48k design. 2016-01-29 15:24:31 -08:00
Jared Boone
1aa391bac8 Whoops. Revert to baseband -O3 compiler flag.
Was running out of CPU in ERT mode.
2016-01-17 14:08:49 -08:00
Jared Boone
8d2a86a499 Change baseband optimization from -O3 to -O2
Significant size benefit with negligable performance effect.
2016-01-16 14:10:22 -08:00
Jared Boone
58e6d26910 Move AudioOutput back to inside audio processor classes.
Was wasting precious RAM making it static. I lose 400 bytes of .text, not sure why, but I think the trade is worth it.
2016-01-16 13:56:23 -08:00
Jared Boone
1d0de2240d Protect/private some ThreadBase implementation details. 2016-01-15 20:25:29 -08:00
Jared Boone
f06d5989db Move EventDispatcher code out of .hpp. 2016-01-12 22:20:13 -08:00
Jared Boone
731cea1b96 Move event.* code into event_m[04].*.
Slightly more duplication of code now. Need a base class...
2016-01-12 22:00:42 -08:00
Jared Boone
e73a9f98a1 Move EventDispatcher code into event_*.hpp.
More code redistribution coming shortly...
2016-01-12 21:49:29 -08:00
Jared Boone
b993e3d73e Consolidate spectrum collector message handling. 2016-01-12 10:32:00 -08:00
Jared Boone
a577bc9664 Refactor naughty static variable hiding in WidebandSpectrum. 2016-01-11 17:18:24 -08:00
Jared Boone
1f3c182b7f Add missing message handler for wideband spectrum.
Spectrum processing was not enabled, and hence wideband spectrum was not being displayed.
2016-01-11 16:31:49 -08:00
Jared Boone
55e3a70fde Change baseband audio processing pipeline to all floats. 2016-01-11 16:15:42 -08:00
Jared Boone
5e917ebb2c Cache IIR filter state because compiler *sometimes* doesn't want to. 2016-01-11 15:44:42 -08:00
Jared Boone
e169a46367 Un-static squelch history. 2016-01-11 11:38:33 -08:00
Jared Boone
64966d4539 Fix NaNs coming out of angle_approx_0deg27().
Used in FM demodulator, was causing downstream problems when using the floating point values directly.
2016-01-11 11:17:54 -08:00
Jared Boone
5a532f34a7 Remove extra buffer structs/copies. 2016-01-11 09:35:58 -08:00
Jared Boone
877a66ca78 Create AudioOutput singleton, from extracted BasebandProcessor code. 2016-01-10 20:25:24 -08:00
Jared Boone
364217a2b5 Rename IIR filter config variables. 2016-01-10 20:20:07 -08:00
Jared Boone
13d260f936 Add IIR passthrough filter config. 2016-01-10 20:18:12 -08:00
Jared Boone
5dac0bbe49 Squelch special case when threshold == 0, do not squelch. 2016-01-10 20:16:21 -08:00
Jared Boone
01df79641c Rename squelch algorithm variable for clarity.
Helps to understand meaning of threshold.
2016-01-10 20:14:26 -08:00
Jared Boone
6f00687d88 Add configure() for IIR filter. 2016-01-10 20:11:27 -08:00
Jared Boone
497adda390 IIR default constructor passes no audio.
Debugging mechanism -- filter must be configured to pass audio.
2016-01-10 20:11:05 -08:00
Jared Boone
172a6da36c Unconst IIR configuration and filter. 2016-01-10 20:06:58 -08:00
Jared Boone
eb5b2d7d30 Fix broken audio stats when audio is muted. 2016-01-10 11:34:06 -08:00
Jared Boone
4ea84301c6 For non-audio modes, don't bother muting audio.
It's assumed base class will start with audio muted.
2016-01-10 11:33:44 -08:00