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C-Netz: Fix TX polarity selection

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This commit is contained in:
Andreas Eversberg
2016-05-15 20:34:20 +02:00
parent 9ecb87f3e6
commit e9640c0cd8
2 changed files with 4 additions and 4 deletions
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4
src/cnetz/cnetz.c
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@@ -200,11 +200,11 @@ int cnetz_create(int kanal, enum cnetz_chan_type chan_type, const char *sounddev
abort(); abort();
} }
break; break;
case 2: case -1:
/* select cell 1 for negative polarity */ /* select cell 1 for negative polarity */
cnetz->cell_nr = 1; cnetz->cell_nr = 1;
cnetz->cell_auto = 0; cnetz->cell_auto = 0;
if (si[cnetz->cell_nr].flip_polarity != 0) { if (si[cnetz->cell_nr].flip_polarity == 0) {
fprintf(stderr, "cell %d must have negative polarity, please fix!\n", cnetz->cell_nr); fprintf(stderr, "cell %d must have negative polarity, please fix!\n", cnetz->cell_nr);
abort(); abort();
} }

4
src/cnetz/main.c
View File

@@ -64,9 +64,9 @@ void print_help(const char *arg0)
printf(" correct signal processing speed. After adjustment, the clock must match\n"); printf(" correct signal processing speed. After adjustment, the clock must match\n");
printf(" +- 1ppm or better. CORRECTING CLOCK SPEED IS REQUIRED! See\n"); printf(" +- 1ppm or better. CORRECTING CLOCK SPEED IS REQUIRED! See\n");
printf(" documentation on how to measure correct value.\n"); printf(" documentation on how to measure correct value.\n");
printf(" -F --flip-polarity no | yes auto\n"); printf(" -F --flip-polarity no | yes | auto\n");
printf(" Flip polarity of transmitted FSK signal. If yes, the sound card\n"); printf(" Flip polarity of transmitted FSK signal. If yes, the sound card\n");
printf(" generates a negative signal rather than a positive one. If auto, the"); printf(" generates a negative signal rather than a positive one. If auto, the\n");
printf(" base station generates two virtual base stations with both polarities.\n"); printf(" base station generates two virtual base stations with both polarities.\n");
printf(" Once a mobile registers, the correct polarity is selected and used.\n"); printf(" Once a mobile registers, the correct polarity is selected and used.\n");
printf(" (default = %s)\n", flip_polarity); printf(" (default = %s)\n", flip_polarity);