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minimodem: --rx-one quits after first no-carrier

This commit is contained in:
Kamal Mostafa 2012-08-30 10:17:55 -07:00
parent b480b841da
commit 0c022aca03
2 changed files with 13 additions and 0 deletions
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3
src/minimodem.1.in
View File

@ -104,6 +104,9 @@ Generate 32-bit floating-point format audio samples, instead of the
default 16-bit signed integer format (applies to \-\-tx mode only;
\-\-rx mode always uses 32-bit floating-point).
.TP
.B \-\-rx-one
Quit after the first carrier/no-carrier event (applies to \-\-rx mode only).
.TP
.B \-\-benchmarks
Run and report internal performance tests (all other flags are ignored).
.TP

10
src/minimodem.c
View File

@ -341,6 +341,7 @@ usage()
" -A, --alsa\n"
" --lut={tx_sin_table_len}\n"
" --float-samples\n"
" --rx-one\n"
" --benchmarks\n"
" {baudmode}\n"
" 1200 Bell202 1200 bps --ascii\n"
@ -389,6 +390,7 @@ main( int argc, char*argv[] )
float tx_amplitude = 1.0;
unsigned int tx_sin_table_len = 4096;
unsigned int rx_one = 0;
float rxnoise_factor = 0.0;
/* validate the default system audio mechanism */
@ -412,6 +414,7 @@ main( int argc, char*argv[] )
MINIMODEM_OPT_UNUSED=256, // placeholder
MINIMODEM_OPT_LUT,
MINIMODEM_OPT_FLOAT_SAMPLES,
MINIMODEM_OPT_RX_ONE,
MINIMODEM_OPT_BENCHMARKS,
MINIMODEM_OPT_XRXNOISE,
};
@ -441,6 +444,7 @@ main( int argc, char*argv[] )
{ "samplerate", 1, 0, 'R' },
{ "lut", 1, 0, MINIMODEM_OPT_LUT },
{ "float-samples", 0, 0, MINIMODEM_OPT_FLOAT_SAMPLES },
{ "rx-one", 0, 0, MINIMODEM_OPT_RX_ONE },
{ "benchmarks", 0, 0, MINIMODEM_OPT_BENCHMARKS },
{ "Xrxnoise", 1, 0, MINIMODEM_OPT_XRXNOISE },
{ 0 }
@ -525,6 +529,9 @@ main( int argc, char*argv[] )
case MINIMODEM_OPT_FLOAT_SAMPLES:
sample_format = SA_SAMPLE_FORMAT_FLOAT;
break;
case MINIMODEM_OPT_RX_ONE:
rx_one = 1;
break;
case MINIMODEM_OPT_BENCHMARKS:
benchmarks();
exit(0);
@ -964,6 +971,9 @@ main( int argc, char*argv[] )
nframes_decoded = 0;
nbits_decoded = 0;
}
if ( rx_one )
break;
}
/* Advance the sample stream forward by try_max_nsamples so the