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Fix NXDN48/96 Modulation Type and RF_Mod 

Switched to C4FM Modulation and matching RF_Mod
Not sure if this matters, seems to decode the same either way, but C4FM is correct for NXDN systems, has more to do with samplesPerSymbol than anything.
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lwvmobile 2022-02-15 10:50:58 -05:00 committed by GitHub
parent 2efd9eeccd
commit 185a75c33d
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1 changed files with 8 additions and 7 deletions
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15
src/dsd_main.c
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@ -811,11 +811,12 @@ main (int argc, char **argv)
opts.frame_provoice = 0;
state.samplesPerSymbol = 20;
state.symbolCenter = 10;
opts.mod_c4fm = 0;
opts.mod_c4fm = 1;
opts.mod_qpsk = 0;
opts.mod_gfsk = 1; //was 1 with others on zero
state.rf_mod = 2; //was 2
opts.mod_gfsk = 0; //was 1 with others on zero
state.rf_mod = 0; //was 2
//opts.symboltiming = 2400; //NXDN48 uses 2400 symbol rate
printf ("Enabling only C4FM modulation optimizations.\n");
printf ("Setting symbol rate to 2400 / second\n");
printf ("Decoding only NXDN 4800 baud frames.\n");
}
@ -828,11 +829,11 @@ main (int argc, char **argv)
opts.frame_nxdn96 = 1;
opts.frame_dmr = 0;
opts.frame_provoice = 0;
opts.mod_c4fm = 0;
opts.mod_c4fm = 1;
opts.mod_qpsk = 0;
opts.mod_gfsk = 1;
state.rf_mod = 2;
printf ("Enabling only GFSK modulation optimizations.\n");
opts.mod_gfsk = 0;
state.rf_mod = 0;
printf ("Enabling only C4FM modulation optimizations.\n");
printf ("Decoding only NXDN 9600 baud frames.\n");
}
else if (optarg[0] == 'r')