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working tune delay test

This commit is contained in:
tvoid 2008-04-07 22:36:31 -06:00
parent 57ad579c4c
commit f5881fc49a
2 changed files with 59 additions and 23 deletions
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70
gsm-tvoid/src/lib/gsm_burst.cc
View File

@ -173,7 +173,7 @@ void gsm_burst::print_bits(const float *data,int length)
assert(length >= 0);
for (int i=0; i < length; i++)
data[i] < 0 ? fprintf(stderr,"+") : fprintf(stderr,".");
data[i] < 0 ? fprintf(stdout,"+") : fprintf(stdout,".");
}
@ -220,7 +220,7 @@ void gsm_burst::print_burst(void)
print_bits(d_burst_buffer + d_burst_start,USEFUL_BITS);
}
fprintf(stderr," ");
fprintf(stdout," ");
}
@ -245,7 +245,7 @@ void gsm_burst::print_burst(void)
if (print) {
fprintf(stderr,"%d/%d/%+d/%lu/%lu ",
fprintf(stdout,"%d/%d/%+d/%lu/%lu ",
d_sync_state,
d_ts,
d_burst_start - MAX_CORR_DIST,
@ -254,38 +254,38 @@ void gsm_burst::print_burst(void)
switch (d_burst_type) {
case FCCH:
fprintf(stderr,"[FCCH] foff:%g cnt:%lu",d_freq_offset,d_fcch_count);
fprintf(stdout,"[FCCH] foff:%g cnt:%lu",d_freq_offset,d_fcch_count);
break;
case PARTIAL_SCH:
bursts_since_sch = d_burst_count - d_last_sch;
fprintf(stderr,"[P-SCH] cor:%.2f last:%d cnt: %lu",
fprintf(stdout,"[P-SCH] cor:%.2f last:%d cnt: %lu",
d_corr_max,bursts_since_sch,d_sch_count);
break;
case SCH:
bursts_since_sch = d_burst_count - d_last_sch;
fprintf(stderr,"[SCH] cor:%.2f last:%d cnt: %lu",
fprintf(stdout,"[SCH] cor:%.2f last:%d cnt: %lu",
d_corr_max,bursts_since_sch,d_sch_count);
break;
case DUMMY:
fprintf(stderr,"[DUMMY] cor:%.2f",d_corr_max);
fprintf(stdout,"[DUMMY] cor:%.2f",d_corr_max);
break;
case ACCESS:
fprintf(stderr,"[ACCESS]"); //We don't detect this yet
fprintf(stdout,"[ACCESS]"); //We don't detect this yet
break;
case NORMAL:
fprintf(stderr,"[NORM] clr:%d cor:%.2f",d_color_code,d_corr_max);
fprintf(stdout,"[NORM] clr:%d cor:%.2f",d_color_code,d_corr_max);
break;
case UNKNOWN:
fprintf(stderr,"[?]");
fprintf(stdout,"[?]");
break;
default:
fprintf(stderr,"[oops! default]");
fprintf(stdout,"[oops! default]");
break;
}
fprintf(stderr,"\n");
fprintf(stdout,"\n");
//print the correlation pattern for visual inspection
@ -304,10 +304,10 @@ void gsm_burst::print_burst(void)
for (int i = 0; i < pat_indent; i++)
fprintf(stderr," ");
fprintf(stderr," "); //extra space for skipped bit
fprintf(stdout," "); //extra space for skipped bit
print_bits(d_corr_pattern+1,d_corr_pat_size-1); //skip first bit (diff encoding)
fprintf(stderr,"\t\toffset:%d, max: %.2f \n",d_corr_maxpos,d_corr_max);
fprintf(stdout,"\t\toffset:%d, max: %.2f \n",d_corr_maxpos,d_corr_max);
}
}
@ -323,10 +323,10 @@ void gsm_burst::print_burst(void)
//Print State related messages
if ( d_print_options & PRINT_STATE ) {
if ( (SYNCHRONIZED == d_sync_state) && (SYNCHRONIZED != d_last_sync_state) ) {
fprintf(stderr,"====== SYNC GAINED (FOff: %g Corr: %.2f, Color: %d ) ======\n",d_freq_offset,d_corr_max,d_color_code);
fprintf(stdout,"====== SYNC GAINED (FOff: %g Corr: %.2f, Color: %d ) ======\n",d_freq_offset,d_corr_max,d_color_code);
}
else if ( (SYNCHRONIZED != d_sync_state) && (SYNCHRONIZED == d_last_sync_state) ) {
fprintf(stderr,"====== SYNC LOST (%ld) ======\n",d_sync_loss_count);
fprintf(stdout,"====== SYNC LOST (%ld) ======\n",d_sync_loss_count);
}
}
@ -686,7 +686,6 @@ int gsm_burst::get_burst(void)
d_last_good = d_burst_count;
}
//Check for loss of sync
int bursts_since_good = d_burst_count - d_last_good;
if (bursts_since_good > MAX_SYNC_WAIT) {
@ -700,6 +699,43 @@ int gsm_burst::get_burst(void)
//print info
print_burst();
/////////////////////
//start tune testing
static int good_count = -1; //-1: wait sch, >=0: got sch, counting
if (UNKNOWN == d_burst_type) {
if (good_count >= 0) {
fprintf(stdout,"good_count: %d\n",good_count);
if (p_tuner) {
next_arfcn = 658; //tune back to the good channel
p_tuner->calleval(BURST_CB_TUNE);
}
}
good_count = -1; // start again at resync
} else {
if (good_count >= 0 ) {
good_count++;
}
if (SCH == d_burst_type) {
if (good_count < 0) { // waiting for sch?
fprintf(stdout,"restarting good_count\n");
good_count = 0;
//tune away
if (p_tuner) {
next_arfcn = 655; //this should be an empty channel
p_tuner->calleval(BURST_CB_TUNE);
}
}
}
}
//end tune testing
/////////////////////
//Adjust the buffer write position to align on MAX_CORR_DIST
if ( d_clock_options & CLK_CORR_TRACK )
d_bbuf_pos += MAX_CORR_DIST - d_burst_start;

12
gsm-tvoid/src/python/gsm_scan.py
View File

@ -36,16 +36,16 @@ class burst_callback(gr.feval_ll):
try:
#print "burst_callback: ", x, "\n";
if gsm.BURST_CB_ADJ_OFFSET == x:
return 0
#TODO: rework so this will work on file input
last_offset = self.fg.burst.last_freq_offset()
if last_offset < 200.0:
return 0
self.fg.offset -= last_offset
print "burst_callback: ADJ_OFFSET:", last_offset, " ARFCN: ", self.fg.arfcn, "\n";
self.fg.set_channel(self.fg.arfcn)
if 20000.0 > abs(last_offset) > 200.0:
self.fg.offset -= last_offset
print "burst_callback: ADJ_OFFSET:", last_offset, " ARFCN: ", self.fg.arfcn, "\n";
self.fg.set_channel(self.fg.arfcn)
elif gsm.BURST_CB_TUNE == x:
print "burst_callback: BURST_CB_TUNE: ARFCN: ", self.fg.burst.next_arfcn, "\n";
self.fg.set_channel(self.fg.burst.next_arfcn)
return 0