AFG/dump1090
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Tweaks to noise measurements.

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This commit is contained in:
Oliver Jowett 2015-06-16 10:13:25 +01:00
parent 7d4eaf6a48
commit 21bdc45bf0
7 changed files with 48 additions and 50 deletions

4
net_io.c
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@ -853,9 +853,9 @@ static char * appendStatsJson(char *p,
p += snprintf(p, end-p, "]");
if (st->signal_power_count > 0)
if (st->signal_power_sum > 0 && st->signal_power_count > 0)
p += snprintf(p, end-p,",\"signal\":%.1f", 10 * log10(st->signal_power_sum / st->signal_power_count));
if (st->noise_power_count > 0)
if (st->noise_power_sum > 0 && st->noise_power_count > 0)
p += snprintf(p, end-p,",\"noise\":%.1f", 10 * log10(st->noise_power_sum / st->noise_power_count));
if (st->peak_signal_power > 0)
p += snprintf(p, end-p,",\"peak_signal\":%.1f", 10 * log10(st->peak_signal_power));