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WIP: YSF Decoding; #143

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lwvmobile
2023-06-29 18:07:43 -04:00
parent 4feb21cf0a
commit 3be8aacf77
8 changed files with 1296 additions and 267 deletions
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28
src/dsd_frame_sync.c
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@@ -228,13 +228,17 @@ getFrameSync (dsd_opts * opts, dsd_state * state)
{
t_max = 10;
}
//else if dPMR
//dPMR
else if (opts->frame_dpmr == 1)
{
t_max = 12; //based on Frame_Sync_2 pattern
}
//if Phase 2 (or YSF in future), then only 19
else if (state->lastsynctype == 35 || state->lastsynctype == 36) //P2
else if (opts->frame_ysf == 1)
{
t_max = 20; //20 on YSF
}
//if Phase 2, then only 19
else if (state->lastsynctype == 35 || state->lastsynctype == 36 )
{
t_max = 19; //Phase 2 S-ISCH is only 19
}
@@ -573,24 +577,20 @@ getFrameSync (dsd_opts * opts, dsd_state * state)
}
}
//YSF sync
strncpy(synctest20, (synctest_p - 19), 20); //double check make sure this is right
strncpy(synctest20, (synctest_p - 19), 20);
if(opts->frame_ysf == 1) //(opts->frame_ysf == 1
{
if (0 == 0) //opts->inverted_ysf == 0
{
if (strcmp(synctest20, FUSION_SYNC) == 0)
{
printFrameSync (opts, state, "+YSF ", synctest_pos + 1, modulation);
state->carrier = 1;
state->offset = synctest_pos;
state->max = ((state->max) + lmax) / 2;
state->min = ((state->min) + lmin) / 2;
fprintf (stderr, "\nYSF FUSION SYNC \n");
opts->inverted_ysf = 0; //should we set this here?
opts->inverted_ysf = 0;
state->lastsynctype = 30;
if ( opts->monitor_input_audio == 1)
{
pa_simple_flush(opts->pulse_raw_dev_out, NULL);
}
return (30);
}
}
@@ -601,17 +601,13 @@ getFrameSync (dsd_opts * opts, dsd_state * state)
{
if (strcmp(synctest20, INV_FUSION_SYNC) == 0)
{
printFrameSync (opts, state, "-YSF ", synctest_pos + 1, modulation);
state->carrier = 1;
state->offset = synctest_pos;
state->max = ((state->max) + lmax) / 2;
state->min = ((state->min) + lmin) / 2;
fprintf (stderr, "\nINVERTED YSF FUSION SYNC \n");
opts->inverted_ysf = 1; //should we set this here?
opts->inverted_ysf = 1;
state->lastsynctype = 31;
if ( opts->monitor_input_audio == 1)
{
pa_simple_flush(opts->pulse_raw_dev_out, NULL);
}
return (31);
}
}