a091bca35f
M17 Demodulator bugfixes
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Fixed several bugs in the M17 Demodulator code.
TG-81
2022-05-27 21:48:46 +02:00
35c1f062c6
Implementation of M17 frame encoder
2022-05-27 21:48:46 +02:00
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
25087b0e02
Removed BUF_CIRC from the possible buffer management modes for an input audio stream
2022-05-27 21:48:46 +02:00
5fbd39959c
Implementation of M17 frame decoder
2022-05-27 21:48:46 +02:00
49bd8ee2f4
Reorganised internal structure of M17LinkSetupFrame class, renamed M17Frame to M17StreamFrame and reorganised its structure
2022-05-27 21:48:46 +02:00
c73aa92305
Reorganised M17LinkSetupframe and M17Frame classes, encapsulating structs defining their internal data structure
2022-05-27 21:48:46 +02:00
7a9bbfcaf2
Demodulator bugfix
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Fix several bugs in the demodulator code, tipycally sign errors.
2022-05-27 21:48:46 +02:00
1a9b3c4168
Implement M17 demodulator logic
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Implemented frame wrapping logic and demodulator loop.
2022-05-27 21:48:46 +02:00
963fbdc141
M17 mode handler: calling demodulator update function when in RX mode
2022-05-27 21:48:46 +02:00
5bf4df75ba
Fine tune demodulator to OpenRTX M17 baseband
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Fine tuned M17 demodulator with code generated from OpenRTX itself.
TG-81
2022-05-27 21:48:46 +02:00
4b498689f5
Replace RRC filter taps, update M17 testsuite
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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
3163dd49d7
Add M17 demodulator code and tests
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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
396f66a1f3
Implementation of M17 Viterbi decoder and associated unit test
2022-05-27 21:48:46 +02:00
3aeade6c1f
Clarify M17 modulator constant naming
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Further clarify modulator constant naming for sample rate and frame
lengths, to distinguish between demodulator values.
2022-05-27 21:48:46 +02:00
6588a6718e
Add M17 namespace in M17 related source files
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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
876cb87d57
Move rrc filter into separate compilation unit
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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
c648ffe377
Add draft of M17Demodulator class
2022-05-27 21:48:46 +02:00
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
a3b7b490d4
Fixed jitter in M17 baseband signal generation
2022-05-27 21:48:46 +02:00
ab3d148449
Implemented activation of external flash backup and restore via menu entries
2022-03-22 15:10:52 +01:00
a1c26b2898
Simple utility functions for backup and restore of external flash memory content
2022-03-22 13:39:08 +01:00
f513454acf
Implementation of xmodem data reception
2022-03-21 17:36:27 +01:00
48824accb9
Add flash backup and restore menu
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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
7e3131d9d1
Implemented xmodem data sending
2022-03-12 23:32:31 +01:00
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
052580df3a
Implementation of CCITT CRC16
2022-03-05 11:08:31 +01:00
3588f351a1
Created 'core' subfolders inside openrtx/include and openrtx/src containing main OpenRTX source files
2022-03-05 10:39:35 +01:00
3f2df608c9
Moved code for radio state update to a dedicated function
2022-02-27 09:00:49 +01:00
a5209d6f52
Modified range for display backlight level from 0 - 255 to 0 - 100, set minimum allowed level to 5.
2022-02-26 15:45:41 +01:00
9297c08b05
Add a menu for clearing settings and vfo to sane defaults ( #67 )
2022-02-26 12:42:28 +01:00
f54a0d18a7
Implemented mechanism to allow backwards-compatibility when loading settings from memory, as backlight timer introduced a new data field
2022-01-03 15:42:16 +01:00
351cab1f44
Don't waste extra memory for the brightness timer
2022-01-03 14:51:22 +01:00
d742d027b7
Display timer UI
2022-01-03 14:51:22 +01:00
269420c2be
Load standby timer from settings
2022-01-03 14:51:22 +01:00
3c6ad9802c
Added API function allowing to query the current status of the RX audio squelch
2021-12-23 14:52:25 +01:00
e2baf5a833
Document functions with Doxygen format
2021-12-23 14:52:25 +01:00
82699f3d07
Implement an SDL main loop inside the Main Thread
2021-12-23 14:52:25 +01:00
756812ca31
Created function for writing settings and VFO status to NVM, starting of temporary implementation writing data to the MCU's internal flash
2021-11-08 22:22:26 +01:00
c91e306026
Reorganised settings data structure
2021-11-08 21:44:33 +01:00
1e19574fd6
Add destination callsign input for M17, Add -/ to keypad input
2021-10-09 18:53:28 +02:00
42e7521205
Fixed compilation error with GDx targets
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Added codec2 as a dependency also for GD77, DM1801 and MD9600 targets to allow compilation of OpMode_17.cpp file
Stub input audio stream driver for GDx targets
2021-10-06 21:43:07 +02:00
a9e1e68709
Implemented function for inverse code puncturing in M17 protocol
2021-10-03 12:09:00 +02:00
d018dbb4a0
Implementation of M17 polynomial deinterleaver
2021-09-20 21:34:59 +02:00
0b276b2b64
Experimental implementation of voice transmission in M17 protocol handler
2021-09-07 12:22:35 +02:00
e954f3fda2
Moved sleep regulating update rate of rtx task from rtx thread to OpMode implementations, as each operating mode may require a custom update rate
2021-09-03 16:44:57 +02:00
bad5a50d7d
Updated code puncturing pattern for M17 link setup frame to follow new specifications
2021-09-03 16:44:57 +02:00
2f3db118fc
Changed streamType_t from bitfield struct to union of anonymous bitfield struct and uint16_t to facilitate endianness conversion. Change also fixed a bug in endianness conversion inside M17LinkSetupFrame class due to unaligned memory access.
2021-09-03 16:44:57 +02:00
c23eaf8e98
Add M17 src/dst addresses to rtxStatus_t
2021-09-03 16:44:57 +02:00
eea9be3349
Add M17 codeplug data structures
2021-09-03 16:44:57 +02:00
Niccolò Izzo
Silvano Seva
tarxvf
Alessio Caiazza
Federico Amedeo Izzo