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sdr: RF level is only provided when requested and available

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This commit is contained in:
Andreas Eversberg
2022-06-18 20:23:33 +02:00
parent 1708d24d73
commit 8c382431b5
1 changed files with 4 additions and 1 deletions
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5
src/libsdr/sdr.c
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@@ -997,6 +997,8 @@ int sdr_read(void *inst, sample_t **samples, int num, int channels, double *rf_l
if (channels) { if (channels) {
for (c = 0; c < channels; c++) { for (c = 0; c < channels; c++) {
if (rf_level_db)
rf_level_db[c] = NAN;
if (sdr->chan[c].am) if (sdr->chan[c].am)
am_demodulate_complex(&sdr->chan[c].am_demod, samples[c], count, buff, sdr->modbuff_I, sdr->modbuff_Q, sdr->modbuff_carrier); am_demodulate_complex(&sdr->chan[c].am_demod, samples[c], count, buff, sdr->modbuff_I, sdr->modbuff_Q, sdr->modbuff_carrier);
else else
@@ -1013,7 +1015,8 @@ int sdr_read(void *inst, sample_t **samples, int num, int channels, double *rf_l
avg = sqrt(avg /(double)count); /* RMS */ avg = sqrt(avg /(double)count); /* RMS */
avg = log10(avg) * 20; avg = log10(avg) * 20;
display_measurements_update(sdr->chan[c].dmp_rf_level, avg, 0.0); display_measurements_update(sdr->chan[c].dmp_rf_level, avg, 0.0);
rf_level_db[c] = avg; if (rf_level_db)
rf_level_db[c] = avg;
if (!sdr->chan[c].am) { if (!sdr->chan[c].am) {
min = 0.0; min = 0.0;
max = 0.0; max = 0.0;