Rob Riggs
|
9e6f588d30
|
Update to version 2.4.4. Clock recovery improvements. Update the sample index more frequently to reduce EVM. Re-wrote the symbol deviation, offset, EVM code. More code comments.
|
2022-05-29 17:09:09 -05:00 |
Rob Riggs
|
9158fe45af
|
Update firmware version to 2.4.3.
|
2022-01-23 15:06:57 -06:00 |
Rob Riggs
|
f4ac271109
|
Change clock used for M17 to 48MHz.
|
2022-01-23 15:06:46 -06:00 |
Rob Riggs
|
23713d9ed3
|
Use EOT sync word for end of stream rather than EOS bit. Use only sync word and Kalman filter for clock recovery. Simplify some of the state transistions. Reduce DCD limits since we can follow symbol clock at lower levels now. Use a smaller FIR filter for RRC.
|
2022-01-23 15:05:20 -06:00 |
Rob Riggs
|
b5d19da1ad
|
Add feature to allow forced DCD unlocking to aid in modem recycling.
|
2022-01-23 15:05:20 -06:00 |
Rob Riggs
|
55d94ef38d
|
Allow more time for DC offset to settle.
|
2022-01-23 15:05:20 -06:00 |
Rob Riggs
|
17a0e74d46
|
Add missing include.
|
2022-01-23 15:05:20 -06:00 |
Rob Riggs
|
323e840fa3
|
Add symbol slope integrator code (currently unused).
|
2022-01-23 15:05:20 -06:00 |
Rob Riggs
|
51b91c4b71
|
Add Kalman filter code. This adds a dependency on Blaze and requires that exceptions be enabled.
|
2022-01-23 15:05:20 -06:00 |
Rob Riggs
|
bcd6d67763
|
Update firmware version to 2.4.2.
|
2022-01-23 15:03:38 -06:00 |
Rob Riggs
|
4ac0001549
|
Use an 8-symbol length FIR filter for symbol interpolation.
|
2022-01-23 15:03:38 -06:00 |
Rob Riggs
|
59783338c8
|
Add reset() function to IIR filter.
|
2022-01-23 15:03:38 -06:00 |
Rob Riggs
|
a8296cbdca
|
The FirFilter constructor and init function do not need to be templatized.
|
2022-01-23 15:03:37 -06:00 |
Rob Riggs
|
9a65906f5c
|
Trivial optimization to Viterbi.
|
2022-01-23 15:03:37 -06:00 |
Rob Riggs
|
6d6253f2d1
|
Add 8 and 11 symbol RRC filters to M17 demod.
|
2022-01-23 15:03:37 -06:00 |
Rob Riggs
|
86a9896a8d
|
Validate the LICH fragment number and mask the LICH segment bitfield properly. Send -1 for BER while LICH decode is incomplete.
|
2022-01-23 15:03:37 -06:00 |
Rob Riggs
|
1f3925a462
|
Fix M17 RX reverse polarity.
|
2021-10-25 20:20:57 -05:00 |
Rob Riggs
|
6cdc8f8652
|
Add new EOT indicator. Send RSSI/cost info for stream data. Update version to 2.4.0.
|
2021-09-06 18:19:28 -05:00 |
Rob Riggs
|
fb29668664
|
Update to version 2.3.3.
|
2021-08-29 20:39:28 -05:00 |
Rob Riggs
|
8bbadd5b02
|
Update EOS check.
|
2021-08-29 20:38:39 -05:00 |
Rob Riggs
|
facdd74307
|
New LSF puncture matrix (P1).
|
2021-08-29 20:37:22 -05:00 |
Rob Riggs
|
b2977c66a4
|
Add support for BER testing. Update version to v2.3.2
|
2021-08-03 21:32:40 -05:00 |
Rob Riggs
|
76e99f2c02
|
Update comment.
|
2021-07-17 15:46:07 -05:00 |
Rob Riggs
|
be5e5f0807
|
Add missing includes.
|
2021-07-08 19:51:38 -05:00 |
Rob Riggs
|
fc7a25c92a
|
Add support for frame resizing. Handle old stream frame type in encoder.
|
2021-07-08 19:50:54 -05:00 |
Rob Riggs
|
5398bc0be1
|
Update firmware to use new stream frame format. Update version to 2.3.0.
|
2021-06-30 20:27:24 -05:00 |
Rob Riggs
|
d05679630b
|
Simplify FIR filter code.
|
2021-06-30 20:16:15 -05:00 |
Rob Riggs
|
33982f4a99
|
Share storage for all demodulators.
|
2021-06-26 13:20:36 -05:00 |
Rob Riggs
|
aaae8063b0
|
Share storage for all demodulators.
|
2021-06-26 13:13:53 -05:00 |
Rob Riggs
|
5173378320
|
Use same Viterbi code as m17-cxx-demod.
|
2021-06-26 10:59:38 -05:00 |
Rob Riggs
|
0da7939f15
|
Enable oversampling for all demodulators.
|
2021-06-22 20:41:46 -05:00 |
Rob Riggs
|
223dc47b93
|
Update 1200 baud modem to use same timing on both TNC3 and NucleoTNC.
|
2021-06-21 22:01:40 -05:00 |
Rob Riggs
|
73b280099f
|
Update version to 2.2.2.
|
2021-06-21 20:59:12 -05:00 |
Rob Riggs
|
0f3a5d18d7
|
Update clock trees. Update 1200 baud modem to run at 48MHz, same as TNC3. Update 9600 baud modem to run at 72MHz instead of 80MHz. Fixes 9600 baud mode broken by M17 changes.
|
2021-06-21 20:58:26 -05:00 |
Rob Riggs
|
6b7289d405
|
Revert NucleoTNC log level change.
|
2021-06-21 20:56:51 -05:00 |
Rob Riggs
|
d4c353d460
|
Fix empty body warning when not logging.
|
2021-06-21 20:55:50 -05:00 |
Rob Riggs
|
b622d2b13b
|
Remove now-unused M17 components.
|
2021-06-20 20:43:34 -05:00 |
Rob Riggs
|
f43d6d5441
|
Major change to M17 demodulator. Improves demod performance, perhaps at the expense of tracking signals with extremely inaccurate clocks. It should be able to handle up to ~500ppm error between TX & RX. Improve LICH decoding.
|
2021-06-20 20:41:48 -05:00 |
Rob Riggs
|
fe49e88122
|
Update M17 modulator to use 72MHz clock for increased accuracy.
|
2021-06-20 20:40:49 -05:00 |
Rob Riggs
|
3548060ae0
|
Add new components for updated M17 demodulator.
|
2021-06-20 20:37:40 -05:00 |
Rob Riggs
|
8a3f60355a
|
Fix memory leak (frame buffers) in M17 packet handling.
|
2021-06-20 20:34:37 -05:00 |
Rob Riggs
|
82da456a7f
|
Add missing include files.
|
2021-06-20 20:28:40 -05:00 |
Rob Riggs
|
305663cc8f
|
Add TNC_DEBUG macro because STMCubeIDE defines DEBUG macro.
|
2021-06-20 20:27:30 -05:00 |
Rob Riggs
|
a42b1e2fbc
|
Update callsign decoding based on spec clarification.
|
2021-06-20 20:23:28 -05:00 |
Rob Riggs
|
da98e6e6e3
|
Make FIR filter input and output buffers global to reduce RAM consumption.
|
2021-06-20 20:22:59 -05:00 |
Rob Riggs
|
c7a91b8820
|
Statically allocate buffers needed for serial thread and queue. Limit frame churn.
|
2021-06-20 17:47:15 -05:00 |
Rob Riggs
|
eb478b443a
|
Sync NucleoTNC firmware with TNC3 v2.1.8 codebase. Upgrade compiler to GCC 10.2. Upgrade to C++20 for std::span. Changes to reduce stack utilization. Reduce jitter by adjusting clocks & interrupt priority. Fix serial port timeout on large packets. Use floating point for M17 modulator. Fix LICH decode defect.
|
2021-02-21 20:48:09 -06:00 |
Rob Riggs
|
bc01e2840f
|
Bump firmware version to 2.1.5.
|
2021-01-23 11:12:51 -06:00 |
Rob Riggs
|
e8a06bd3b5
|
Increase logging priority of modulator enable/disable.
|
2021-01-23 11:12:20 -06:00 |
Rob Riggs
|
8400a7f76d
|
Adjust clock recovery timing constraints for improved demodulation.
|
2021-01-23 11:12:00 -06:00 |