Commit Graph

338 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