n5ac/smartsdr-dsp
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140 commits 5 branches 2 tags 3.7 MiB
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119 commits

Author SHA1 Message Date
Ed Gonzalez 5c93764a36 Add support for higher speed ThumbDV (460800 Baud) 2015-08-04 15:18:23 -05:00
Ed Gonzalez d82c84e994 Default header with instructional fields added 2015-08-04 14:42:10 -05:00
Ed Gonzalez 12b06958ed Change status update to be specific to tx and rx headers. Add status command to send current state 2015-08-04 14:39:07 -05:00
Ed Gonzalez 87c3132618 Make header dump more friendly by adding single quotes around string fields to be able to see spaces 2015-08-03 17:11:59 -05:00
Ed Gonzalez a1c2094429 Sanitize DSTAR header fields more. Automatically insert spaces required when callsigns/rptr do not extend the full 8 characters in header 2015-08-03 17:11:22 -05:00
Ed Gonzalez 3dd58394ce Update GMSK Encode filter for new 24kHz sample rate. Header decode working on ICOM 2015-08-03 14:50:24 -05:00
Ed Gonzalez f17aaa53d8 Add test function that creates a default outgoing header for TX testing 2015-08-03 14:50:01 -05:00
Ed Gonzalez bea9eea4a8 Increase drive of gmsk_encode and remove slow data dump 2015-08-03 08:57:02 -05:00
Ed Gonzalez 280051c0ec Fix magic number that should be DSTAR_RADIO_BIT_LENGTH 2015-08-03 08:50:10 -05:00
Ed Gonzalez dc62823035 Waveform now subscribes to slice status messages and sets parameters when a slice enters the waveform mode 2015-07-30 15:16:02 -05:00
Ed Gonzalez 09440809a6 Spacing and set initial_rx to FALSE regardless of whether we got good decode audio or not 2015-06-22 17:26:44 -05:00
Ed Gonzalez b171c4b372 Add commands to set various outgoing header fields and add status message that reports incoming header fields 2015-06-22 17:25:59 -05:00
Ed Gonzalez 2ca2373c81 Fix stack smashing when command into console where > 80. maximum allowed is now 511 2015-06-22 17:23:58 -05:00
Ed Gonzalez 9221d5b0b8 Add spaces to slow data output to try to get Icom to decode header. 2015-06-22 11:26:51 -05:00
Ed Gonzalez f5d4a997f4 Add 4 synchronization bits to header detect to reduce false positives 2015-06-22 11:26:03 -05:00
Ed Gonzalez 8303e3e135 Remove unused variables 2015-06-19 14:30:20 -05:00
Ed Gonzalez 8f6d86be48 Fix RX buffering and begin adding slow data encoding 2015-06-19 14:22:06 -05:00
Ed Gonzalez b27cdc451a Add more descriptive output to a circular buffer overwrite 2015-06-19 14:21:15 -05:00
Ed Gonzalez 524891c602 Transmit working with NFM TX 2015-06-18 16:07:09 -05:00
Ed Gonzalez c76d81e448 Header TX working. Requires pre-emphasis on TX 2015-06-17 18:34:15 -05:00
Ed Gonzalez ea1ce6307e Increase TX4_cb buffer size to be able to hold a full header worth of audio data 2015-06-17 18:21:02 -05:00
Ed Gonzalez fe678569b4 Transmit of SYNC bits working. Very dirty state 2015-06-17 18:04:43 -05:00
Ed Gonzalez 13d4d64014 Add P_FCS checksum check for incoming header 2015-06-17 11:21:26 -05:00
Ed Gonzalez 5eb520fcce Move header, voice_bits and data_bits into the dstar_machine data structure for future support of multiple instances 2015-06-16 18:14:34 -05:00
Ed Gonzalez 8ab5a053aa Replace some magic numbers with their appropriate macros. 2015-06-16 18:14:06 -05:00
Ed Gonzalez 8cac900b72 Don't use the 64 training bits for detecting the header. Just the synchronization bits and also allow transitioning directly from waiting on sync bits to voice frames if we detect a data_sync frame 2015-06-16 15:32:59 -05:00
Ed Gonzalez 843d734b60 DSTAR Audio decode working. Add ICOM order bits to bytes 2015-06-16 14:49:55 -05:00
Ed Gonzalez 319feb6f0e Add incoming header packet parsing and output 2015-06-12 14:18:10 -05:00
Ed Gonzalez a2e5110085 CID12151 - Fix passing byte as array 2015-06-12 11:24:58 -05:00
Ed Gonzalez eda34ee255 CID12153 - Make sure we get a correct serial descriptor on startup if not loop until we do 2015-06-12 11:22:34 -05:00
Ed Gonzalez a3e918ee32 CID12154 - Close tty on failure to set attribute 2015-06-12 11:17:14 -05:00
Ed Gonzalez 907e3514fa CID12156 - Uninitialized array 2015-06-12 11:14:15 -05:00
Ed Gonzalez d9568a9e1f Fix build problems caused by missing CODEC2 folder 2015-06-12 11:13:46 -05:00
Ed Gonzalez f3f2c50e51 Remove unneeded variables 2015-06-12 10:57:38 -05:00
Ed Gonzalez 5b5947dd06 Remove CODEC2_FREEDV folder and files 2015-06-12 10:56:49 -05:00
Ed Gonzalez 880581d4ea Buffering working but decode de-stabilizes to FFs and 00s 2015-06-11 18:35:05 -05:00
Ed Gonzalez aabd5424cb Remove debug from bit_pattern_matcher 2015-06-11 16:52:59 -05:00
Ed Gonzalez c429f359d1 Update ThumbDV encode function to no work circularly 2015-06-11 16:52:36 -05:00
Ed Gonzalez 2a0b2366c5 Add ThumbDV_Debug and ThumbDV_Release build configurations 2015-06-11 16:48:49 -05:00
Ed Gonzalez f9164e29b5 Encapsulate DSTAR into state machine that is fed incoming bits. 2015-06-11 14:13:33 -05:00
Ed Gonzalez 014b457794 Successfully decoding DSTAR Header information. Cleanup and full state machine work starting 2015-06-11 11:31:29 -05:00
Ed Gonzalez 8b3fc14b2f Add dstar.c|.h that add FEC, interleaving and scrambling 2015-06-11 09:20:37 -05:00
Ed Gonzalez 8bfb382d25 Use output in dump function and change const to static const 2015-06-11 09:14:50 -05:00
Ed Gonzalez b3c43dafe5 Add syn and frame syn pattern matcher to find header of DSTAR frame 2015-06-10 11:07:16 -05:00
Ed Gonzalez a5609ca279 Add bit pattern match files and functions 2015-06-03 14:14:10 -05:00
Ed Gonzalez 81bb26dc15 Encapsulate encode/decode test into function. 2015-06-03 12:59:32 -05:00
Ed Gonzalez d60f28031d GMSK Encode/decode functional. DEMOD filter unecessary from OpenDV code 2015-06-03 12:53:50 -05:00
Ed Gonzalez 6ca3c9cd3a Change executable for stack trace to thumbdv instead of freedv 2015-06-03 10:29:02 -05:00
Ed Gonzalez ef467c41aa Begin porting FIR Filter for GMSK Modem 2015-06-02 14:51:33 -05:00
Ed Gonzalez fc8de37bd6 Begin porting GMSK modulator 2015-06-02 14:28:42 -05:00