1.\" Copyright (c) 2000 Alexey Zelkin. All rights reserved. 2.\" Copyright (c) 1988, 1991, 1993 3.\" The Regents of the University of California. All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 3. Neither the name of the University nor the names of its contributors 14.\" may be used to endorse or promote products derived from this software 15.\" without specific prior written permission. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27.\" SUCH DAMAGE. 28.\" 29.\" @(#)bcd.6 8.1 (Berkeley) 5/31/93 30.\" $FreeBSD$ 31.\" 32.Dd June 7, 2005 33.Dt MORSE 6 34.Os 35.Sh NAME 36.Nm morse 37.Nd reformat input as morse code 38.Sh SYNOPSIS 39.Nm 40.Op Fl elps 41.Op Fl d Ar device 42.Op Fl w Ar speed 43.Op Fl c Ar speed 44.Op Fl f Ar frequency 45.Op Ar string ... 46.Sh DESCRIPTION 47The 48.Nm 49command reads the given input and reformats it in the form of morse code. 50Acceptable input are command line arguments or the standard input. 51.Pp 52Available options: 53.Bl -tag -width indent 54.It Fl l 55The 56.Fl l 57option produces output suitable for 58.Xr led 4 59devices. 60.It Fl s 61The 62.Fl s 63option produces dots and dashes rather than words. 64.It Fl p 65Send morse the real way. 66This only works if your system has 67.Xr speaker 4 68support. 69.It Fl w Ar speed 70Set the sending speed in words per minute. 71If not specified, the default 72speed of 20 WPM is used. 73.It Fl c Ar speed 74Farnsworth support. 75Set the spacing between characters in words per minute. 76This is independent of the speed 77that the individual characters are sent. 78If not specified, defaults to the effective value of the 79.Fl w 80option. 81.It Fl f Ar frequency 82Set the sidetone frequency to something other than the default 600 Hz. 83.It Fl d Ar device 84Similar to 85.Fl p , 86but use the RTS line of 87.Ar device 88(which must by a TTY device) 89in order to emit the morse code. 90.It Fl e 91Echo each character before it is sent, used together with either 92.Fl p 93or 94.Fl d . 95.El 96.Pp 97The 98.Fl w , c 99and 100.Fl f 101flags only work in conjunction with either the 102.Fl p 103or the 104.Fl d 105flag. 106.Pp 107Not all prosigns have corresponding characters. 108Use 109.Ql # 110for 111.Em AS , 112.Ql & 113for 114.Em SK , 115.Ql * 116for 117.Em VE 118and 119.Ql % 120for 121.Em BK . 122The more common prosigns are 123.Ql = 124for 125.Em BT , 126.Ql \&( 127for 128.Em KN 129and 130.Ql + 131for 132.Em AR . 133.Pp 134Using the 135.Fl d 136flag, 137it is possible to key an external device, like a sidetone generator with 138a headset for training purposes, or even your ham radio transceiver. 139For 140the latter, simply connect an NPN transistor to the serial port 141.Ar device , 142emitter connected to ground, base connected through a resistor 143(few kiloohms) to RTS, collector to the key line of your transceiver 144(assuming the transceiver has a positive key supply voltage and is keyed 145by grounding the key input line). 146A capacitor (some nanofarads) between 147base and ground is advisable to keep stray RF away, 148and to suppress the 149minor glitch that is generated during program startup. 150.Sh ENVIRONMENT 151Your 152.Ev LC_CTYPE 153locale codeset determines how 154characters with the high-order bit set 155are interpreted. 156.Pp 157.Bl -tag -width ".Li ISO8859-15" -compact 158.It Li ISO8859-1 159.It Li ISO8859-15 160Interpret characters with the high-order bit set as Western European characters. 161.Pp 162.It Li KOI8-R 163Interpret characters with the high-order bit set as Cyrillic characters. 164.Pp 165.It Li ISO8859-7 166Interpret characters with the high-order bit set as Greek characters. 167.El 168.Sh FILES 169.Bl -tag -width ".Pa /dev/speaker" -compact 170.It Pa /dev/speaker 171.Xr speaker 4 172device file 173.El 174.Sh SEE ALSO 175.Xr speaker 4 176.Sh HISTORY 177Sound support for 178.Nm 179added by 180.An Lyndon Nerenberg (VE6BBM) Aq Mt lyndon@orthanc.ca . 181.Pp 182Ability to key an external device added by 183.An J\(:org Wunsch 184(DL8DTL). 185.Pp 186Farnsworth support for 187.Nm 188added by 189.An Stephen Cravey (N5UUU). 190.Sh BUGS 191Only understands a few European characters 192(German and French), 193no Asian characters, 194and no continental landline code. 195.Pp 196Sends a bit slower than it should due to system overhead. 197Some people would call this a feature. 198