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More debug code.

This commit is contained in:
wb2osz 2021-09-21 13:00:36 -04:00
parent 257d2e3544
commit b77762780f
1 changed files with 20 additions and 0 deletions
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20
src/demod_afsk.c
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@ -25,6 +25,8 @@
// #define DEBUG4 1 /* capture AFSK demodulator output to log files */ // #define DEBUG4 1 /* capture AFSK demodulator output to log files */
/* Can be used to make nice plots. */ /* Can be used to make nice plots. */
// #define DEBUG5 1 // Write just demodulated bit stream to file. */
/*------------------------------------------------------------------ /*------------------------------------------------------------------
* *
@ -875,6 +877,24 @@ static void nudge_pll (int chan, int subchan, int slice, float demod_out, struct
int quality = fabsf(demod_out) * 100.0f / amplitude; int quality = fabsf(demod_out) * 100.0f / amplitude;
if (quality > 100) quality = 100; if (quality > 100) quality = 100;
#if DEBUG5
// Write bit stream to a file.
static FILE *bsfp = NULL;
static int bcount = 0;
if (chan == 0 && subchan == 0 && slice == 0) {
if (bsfp == NULL) {
bsfp = fopen ("bitstream.txt", "w");
}
fprintf (bsfp, "%d", demod_out > 0);
bcount++;
if (bcount % 64 == 0) {
fprintf (bsfp, "\n");
}
}
#endif
hdlc_rec_bit (chan, subchan, slice, demod_out > 0, 0, quality); hdlc_rec_bit (chan, subchan, slice, demod_out > 0, 0, quality);
pll_dcd_each_symbol2 (D, chan, subchan, slice); pll_dcd_each_symbol2 (D, chan, subchan, slice);
} }