mirror of
https://github.com/lwvmobile/dsd-fme.git
synced 2026-11-14 09:47:30 -05:00
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
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#include "dsd.h"
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#include "p25p1_hdu.h"
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#include "p25p1_heuristics.h"
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void
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processTDU (dsd_opts* opts, dsd_state* state)
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{
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AnalogSignal analog_signal_array[14];
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int status_count;
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// we skip the status dibits that occur every 36 symbols
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// the first IMBE frame starts 14 symbols before next status
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// so we start counter at 36-14-1 = 21
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status_count = 21;
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// Next 14 dibits should be zeros
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read_zeros(opts, state, analog_signal_array, 28, &status_count, 1);
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// Next we should find an status dibit
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if (status_count != 35) {
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fprintf (stderr, "%s", KRED);
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fprintf (stderr, "*** SYNC ERROR\n");
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fprintf (stderr, "%s", KNRM);
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}
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// trailing status symbol
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{
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int status;
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status = getDibit (opts, state) + '0';
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// TODO: do something useful with the status bits...
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}
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//reset some strings -- since its a tdu, blank out any call strings, only want during actual call
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sprintf (state->call_string[0], "%s", " "); //21 spaces
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sprintf (state->call_string[1], "%s", " "); //21 spaces
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}
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