From 6ad778ce03ad544face32d198297fc6dfb19fdbc Mon Sep 17 00:00:00 2001 From: Kamal Mostafa Date: Thu, 1 Nov 2012 12:48:40 -0700 Subject: [PATCH] minimodem: fix --tx startbits/stopbits handling Make --tx support specified --startbits and --stopbits; also enables --tx SAME. Thanks to Jamie Batmanglidj for reporting the issue. --- src/minimodem.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/src/minimodem.c b/src/minimodem.c index 0d0232d..41a1036 100644 --- a/src/minimodem.c +++ b/src/minimodem.c @@ -79,6 +79,7 @@ static void fsk_transmit_stdin( float bfsk_mark_f, float bfsk_space_f, int n_data_bits, + float bfsk_nstartbits, float bfsk_nstopbits, databits_encoder encode ) @@ -120,15 +121,18 @@ static void fsk_transmit_stdin( } unsigned int j; for ( j=0; j 0 ) + simpleaudio_tone(sa_out, bfsk_space_f, + bit_nsamples * bfsk_nstartbits); // start int i; for ( i=0; i> i ) & 1; float tone_freq = bit == 1 ? bfsk_mark_f : bfsk_space_f; simpleaudio_tone(sa_out, tone_freq, bit_nsamples); } - simpleaudio_tone(sa_out, bfsk_mark_f, - bit_nsamples * bfsk_nstopbits); // stop + if ( bfsk_nstopbits > 0 ) + simpleaudio_tone(sa_out, bfsk_mark_f, + bit_nsamples * bfsk_nstopbits); // stop } if ( tx_interactive ) @@ -724,6 +728,7 @@ main( int argc, char*argv[] ) bfsk_data_rate, bfsk_mark_f, bfsk_space_f, bfsk_n_data_bits, + bfsk_nstartbits, bfsk_nstopbits, bfsk_databits_encode );