mirror of
https://github.com/pentoo/pentoo-overlay
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68 lines
2.4 KiB
Diff
68 lines
2.4 KiB
Diff
From f48257ac595afbc8f576d5ac4fcc180a608c6a25 Mon Sep 17 00:00:00 2001
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From: Rodrigo Menezes <rodrigo@rapidlight.io>
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Date: Tue, 19 Jan 2016 19:31:20 -0200
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Subject: [PATCH] TTY/TDD support
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---
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src/minimodem.c | 11 +++++++++++
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1 file changed, 11 insertions(+)
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diff --git a/src/minimodem.c b/src/minimodem.c
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index 7cc8c46..812bdfa 100644
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--- a/src/minimodem.c
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+++ b/src/minimodem.c
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@@ -409,6 +409,7 @@ usage()
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" 1200 Bell202 1200 bps --ascii\n"
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" 300 Bell103 300 bps --ascii\n"
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" rtty RTTY 45.45 bps --baudot --stopbits=1.5\n"
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+ " tdd TTY/TDD 45.45 bps --baudot --stopbits=2.0\n"
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" same NOAA SAME 520.83 bps --sync-byte=0xAB ...\n"
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" callerid Bell202 CID 1200 bps\n"
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" uic{-train,-ground} UIC-751-3 Train/Ground 600 bps\n"
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@@ -781,6 +782,16 @@ main( int argc, char*argv[] )
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bfsk_n_data_bits = 5;
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if ( bfsk_nstopbits < 0 )
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bfsk_nstopbits = 1.5;
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+ } else if ( strncasecmp(modem_mode, "tdd",3)==0 ) {
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+ bfsk_databits_decode = databits_decode_baudot;
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+ bfsk_databits_encode = databits_encode_baudot;
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+ bfsk_data_rate = 45.45;
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+ if ( bfsk_n_data_bits == 0 )
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+ bfsk_n_data_bits = 5;
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+ if ( bfsk_nstopbits < 0 )
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+ bfsk_nstopbits = 2.0;
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+ bfsk_mark_f = 1400;
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+ bfsk_space_f = 1800;
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} else if ( strncasecmp(modem_mode, "same",5)==0 ) {
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// http://www.nws.noaa.gov/nwr/nwrsame.htm
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bfsk_data_rate = 520.0 + 5/6.0;
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diff --git a/src/minimodem.1.in b/src/minimodem.1.in
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index dc4f6b0..c95a0ee 100644
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--- a/src/minimodem.1.in
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+++ b/src/minimodem.1.in
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@@ -31,7 +31,7 @@ is a command-line program which decodes (or generates) audio
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modem tones at any specified baud rate, using various framing protocols.
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It acts a general-purpose software FSK modem, and includes support for
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various standard FSK protocols such as Bell103, Bell202, RTTY, NOAA SAME,
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-and Caller-ID.
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+TTY/TDD, and Caller-ID.
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.PP
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.B Minimodem
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can play and capture audio modem tones in real-time via the system
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@@ -67,6 +67,9 @@ default mark and space tone frequencies.
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.B rtty
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: RTTY 45.45 bps \-\-baudot \-\-stopbits 1.5
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.TP
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+.B tdd
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+: TTY/TDD 45.45 bps \-\-baudot \-\-stopbits 2.0
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+.TP
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.B same
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: SAME 520.83 bps \-\-startbits 0 \-\-stopbits 0 \-\-sync-byte 0xAB
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.br
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diff --git a/tests/81-tdd.test b/tests/81-tdd.test
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new file mode 100755
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index 0000000..a55a2ac
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--- /dev/null
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+++ b/tests/81-tdd.test
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@@ -0,0 +1 @@
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+exec ./self-test testdata-baudot.txt tdd
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