Silvano Seva
3d169484e9
Improved management of CODEC2 thread in M17 mode handler, now activated only when transmitting. Fixes a confict with RTX and MIC input streams causing the rtx thread to hang when PTT was pressed
2022-05-27 21:48:47 +02:00
Silvano Seva
54a89abcd0
Removed a printf left behind after debugging from M17 demodulator class and slightly cleaned up the code
2022-05-27 21:48:47 +02:00
Silvano Seva
163a2ef06a
Updated Module 17 output stream driver to support also double buffered mode
2022-05-27 21:48:47 +02:00
Silvano Seva
c9a4bfb199
Cleanup and refactoring of M17 modulator class, now using output streams for baseband signal output
2022-05-27 21:48:47 +02:00
Silvano Seva
0df1dc4f7e
Extended output stream API to support also circular double-buffered mode, implemented output stream driver for MDx
2022-05-27 21:48:47 +02:00
Silvano Seva
034f5d9ee9
Removed API for audio stream playback from MDx tone generator
2022-05-27 21:48:47 +02:00
Silvano Seva
5c90c19bea
Data conversion utilities
2022-05-27 21:48:47 +02:00
Silvano Seva
7891288030
Fixed compilation warnings generated by graphics.cpp
2022-05-27 21:48:47 +02:00
Silvano Seva
427c5f50b3
Made M17Demodulator::update() return a boolean indicating when a new decoded frame is ready
2022-05-27 21:48:47 +02:00
Niccolò Izzo
3372da2b64
Set Rx test to 48k
2022-05-27 21:48:47 +02:00
Niccolò Izzo
77aead675a
Improve runtime performance of M17 Demodulator
...
Tweaked the exponential moving average alpha factors to improve the
reactivity of the M17 demodulator.
TG-81
2022-05-27 21:48:47 +02:00
Niccolò Izzo
5ef145cd39
Add fuzzy syncword validation
...
Now syncword match is not exact but can tolerate up to two erroneous
bits.
TG-81
2022-05-27 21:48:47 +02:00
Niccolò Izzo
ca49b306b9
Update constants for M17 demodulation
...
Constants were updated to increase performance based on baseband sample
collected with Module17.
TG-81
2022-05-27 21:48:47 +02:00
Niccolò Izzo
2d8c696a09
Complete M17 demodulator implementation
...
Make quantization work also on DC offset signal
Add samples plot code
Fix bug in buffer wrap around
Fix oob memory access in M17 modulator
Update tests with DC offset signal
Switch to 48KHz sample rate for Module17 and MD380
Add DC biasing script
TG-81
2022-05-27 21:48:46 +02:00
Silvano Seva
10b8b59e21
Added to MDx tone generator API functions allowing user code to temporarily disable generation of 'beep' tones
2022-05-27 21:48:46 +02:00
Niccolò Izzo
f9c23452bc
Add plotting function to graphics library
...
Added plotting function to graphics library which is native C++, so
refactored the graphics source file to allow that, consequently adapted
the hwconfig header files to be included also in C++ sources.
Propagated compile flags also to C++ sources, including asan what was
previously disabled for C++ compilation units.
TG-81
2022-05-27 21:48:46 +02:00
Niccolò Izzo
ae26cca46f
Remove SPS
...
Now M17_SAPLES_PER_SYMBOL is computed dinamically from sample rate.
TG-81
2022-05-27 21:48:46 +02:00
Niccolò Izzo
a091bca35f
M17 Demodulator bugfixes
...
Fixed several bugs in the M17 Demodulator code.
TG-81
2022-05-27 21:48:46 +02:00
Silvano Seva
d2c7be9cc8
Fixed bug affecting LSF reassembling from LICH segments inside M17 frame decoder class
2022-05-27 21:48:46 +02:00
Silvano Seva
35c1f062c6
Implementation of M17 frame encoder
2022-05-27 21:48:46 +02:00
Silvano Seva
82dd0a63f1
Clarification of naming: renamed DATA_SYNC_WORD to STREAM_SYNC_WORD and Audio_puncture to DATA_PUNCTURE
2022-05-27 21:48:46 +02:00
Silvano Seva
25087b0e02
Removed BUF_CIRC from the possible buffer management modes for an input audio stream
2022-05-27 21:48:46 +02:00
Silvano Seva
5fbd39959c
Implementation of M17 frame decoder
2022-05-27 21:48:46 +02:00
Silvano Seva
49bd8ee2f4
Reorganised internal structure of M17LinkSetupFrame class, renamed M17Frame to M17StreamFrame and reorganised its structure
2022-05-27 21:48:46 +02:00
Silvano Seva
c73aa92305
Reorganised M17LinkSetupframe and M17Frame classes, encapsulating structs defining their internal data structure
2022-05-27 21:48:46 +02:00
Silvano Seva
8f63d349a2
Temporarily deactivating M17 demodulator until fully debugged as it makes the radio crash
2022-05-27 21:48:46 +02:00
Niccolò Izzo
7a9bbfcaf2
Demodulator bugfix
...
Fix several bugs in the demodulator code, tipycally sign errors.
2022-05-27 21:48:46 +02:00
Niccolò Izzo
1a9b3c4168
Implement M17 demodulator logic
...
Implemented frame wrapping logic and demodulator loop.
2022-05-27 21:48:46 +02:00
Silvano Seva
963fbdc141
M17 mode handler: calling demodulator update function when in RX mode
2022-05-27 21:48:46 +02:00
Niccolò Izzo
d22948a096
Fix naming error
...
Replaced FM with OPMODE_FM and DMR with OPMODE_DMR.
2022-05-27 21:48:46 +02:00
Niccolò Izzo
5bf4df75ba
Fine tune demodulator to OpenRTX M17 baseband
...
Fine tuned M17 demodulator with code generated from OpenRTX itself.
TG-81
2022-05-27 21:48:46 +02:00
Niccolò Izzo
4b498689f5
Replace RRC filter taps, update M17 testsuite
...
RRC filter taps have been replaced with the ones generated by Wojciech,
a new baseband for the M17 demodulation testsuite has been generated,
using OpenRTX itself and some further minor changes.
TG-81
2022-05-27 21:48:46 +02:00
Niccolò Izzo
3163dd49d7
Add M17 demodulator code and tests
...
Added implementation of the M17 4FSK demodulator, including clock
recovery, phase detection, and quantization algorithms.
A testsuite is also included to do regression testing against a
reference baseband pre-generated and the corresponding reference
bitstream.
A 1% BER is still present due to a fault likely in the RRC filtering,
since the eye diagram of the filtered stream is bad.
TG-81
2022-05-27 21:48:46 +02:00
Silvano Seva
396f66a1f3
Implementation of M17 Viterbi decoder and associated unit test
2022-05-27 21:48:46 +02:00
Niccolò Izzo
3aeade6c1f
Clarify M17 modulator constant naming
...
Further clarify modulator constant naming for sample rate and frame
lengths, to distinguish between demodulator values.
2022-05-27 21:48:46 +02:00
Niccolò Izzo
6588a6718e
Add M17 namespace in M17 related source files
...
Now M17 source files reside in the M17 namespace, the OPMODE_ prefix
was added to all opmode enums to avoid a name clash.
2022-05-27 21:48:46 +02:00
Niccolò Izzo
876cb87d57
Move rrc filter into separate compilation unit
...
By moving the rrc filter into a separate compilation unit with its own
header file, we can use it both in the modulator and in the demodulator.
2022-05-27 21:48:46 +02:00
Niccolò Izzo
c648ffe377
Add draft of M17Demodulator class
2022-05-27 21:48:46 +02:00
Niccolò Izzo
df5a35e843
Adapt M17 Golay Test to Unit Test Infrastructure
2022-05-27 21:48:46 +02:00
Silvano Seva
8a3643ad3a
Implementation of Golay(24,12) decoder, reimplemented Golay(24,12) encoder using generator matrix, unit test for Golay(24,12) encoding and decoding routines
2022-05-27 21:48:46 +02:00
Silvano Seva
a3b7b490d4
Fixed jitter in M17 baseband signal generation
2022-05-27 21:48:46 +02:00
Niccolò Izzo
ce10edfb47
Fix GD77 build, add windows tools
...
GD77 build was broken because of missing binary tools, Windows had no
dedicated option for wrapping the GD77 firmware.
TG-303
2022-05-03 12:53:11 +02:00
Silvano Seva
5ffd6e5c43
Fixed compilation errors with MD-9600 and Module 17 targets
2022-03-24 19:09:00 +01:00
Silvano Seva
ab3d148449
Implemented activation of external flash backup and restore via menu entries
2022-03-22 15:10:52 +01:00
Silvano Seva
a1c26b2898
Simple utility functions for backup and restore of external flash memory content
2022-03-22 13:39:08 +01:00
Silvano Seva
19c1b8eff9
Added full chip erase function to W25Qx driver
2022-03-22 11:19:22 +01:00
Silvano Seva
f513454acf
Implementation of xmodem data reception
2022-03-21 17:36:27 +01:00
Niccolò Izzo
48824accb9
Add flash backup and restore menu
...
Add flash backup and flash restore entries to menu system, to access
these functionalities from the radio itself.
TG-428
2022-03-13 00:21:52 +01:00
Silvano Seva
7e3131d9d1
Implemented xmodem data sending
2022-03-12 23:32:31 +01:00
Silvano Seva
e56cf52f28
Partial implementation of xmodem protocol: function for transmission of xmodem packets and small testsuite for dumping the content of external flash memory via xmodem
2022-03-11 19:28:45 +01:00