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Display channel offset with TX and RX channel frequencies on startup

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This commit is contained in:
Andreas Eversberg
2017-10-12 19:43:15 +02:00
parent e67c171035
commit f7a0e4622b
12 changed files with 32 additions and 9 deletions
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5
src/cnetz/cnetz.c
View File

@@ -168,12 +168,15 @@ double cnetz_kanal2freq(int kanal, int unterband)
{
double freq = 465.750;
if (unterband == 2)
return -10.000 * 1e6;
if ((kanal & 1))
freq -= (double)(kanal + 1) / 2.0 * 0.010;
else
freq -= (double)kanal / 2.0 * 0.0125;
if (unterband)
freq -= 10.0;
freq -= 10.000;
return freq * 1e6;
}

4
src/cnetz/main.c
View File

@@ -566,9 +566,9 @@ int main(int argc, char *argv[])
goto fail;
}
if ((kanal[i] & 1)) {
printf("Base station on channel %d ready, please tune transmitter to %.3f MHz and receiver to %.3f MHz.\n", kanal[i], cnetz_kanal2freq(kanal[i], 0) / 1e6, cnetz_kanal2freq(kanal[i], 1) / 1e6);
printf("Base station on channel %d ready, please tune transmitter to %.3f MHz and receiver to %.3f MHz. (%.3f MHz offset)\n", kanal[i], cnetz_kanal2freq(kanal[i], 0) / 1e6, cnetz_kanal2freq(kanal[i], 1) / 1e6, cnetz_kanal2freq(kanal[i], 2) / 1e6);
} else {
printf("Base station on channel %d ready, please tune transmitter to %.4f MHz and receiver to %.4f MHz.\n", kanal[i], cnetz_kanal2freq(kanal[i], 0) / 1e6, cnetz_kanal2freq(kanal[i], 1) / 1e6);
printf("Base station on channel %d ready, please tune transmitter to %.4f MHz and receiver to %.4f MHz. (%.3f MHz offset)\n", kanal[i], cnetz_kanal2freq(kanal[i], 0) / 1e6, cnetz_kanal2freq(kanal[i], 1) / 1e6, cnetz_kanal2freq(kanal[i], 2) / 1e6);
}
}