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| author |   nicm <nicm@openbsd.org> | 2012-07-15 06:55:28 +0000 |
|---|---|---|
| committer | nicm <nicm@openbsd.org> | 2012-07-15 06:55:28 +0000 |
| commit | beec8f30410f0780e1fabcaed71eb927b96ce640 (patch) | |
| tree | eb59d8b9d0884fda16905296c5dca0872a2af11f | |
| parent | Document pane_index variable, from sam at sltosis dot org. (diff) | |
| download | wireguard-openbsd-beec8f30410f0780e1fabcaed71eb927b96ce640.tar.xz wireguard-openbsd-beec8f30410f0780e1fabcaed71eb927b96ce640.zip | |
Add a command (~D) to drop the DTR line for a second (similar to using
~# for a BREAK). This is useful as it makes some microcontroller boards
reset. From Visa Hankala.
| -rw-r--r-- | usr.bin/cu/command.c | 8 | ||||
| -rw-r--r-- | usr.bin/cu/cu.1 | 6 |
2 files changed, 11 insertions, 3 deletions
diff --git a/usr.bin/cu/command.c b/usr.bin/cu/command.c index 17d86655eb6..54e6490ca19 100644 --- a/usr.bin/cu/command.c +++ b/usr.bin/cu/command.c @@ -1,4 +1,4 @@ -/* $OpenBSD: command.c,v 1.11 2012/07/11 16:45:12 nicm Exp $ */ +/* $OpenBSD: command.c,v 1.12 2012/07/15 06:55:28 nicm Exp $ */ /* * Copyright (c) 2012 Nicholas Marriott <nicm@openbsd.org> @@ -229,6 +229,11 @@ do_command(char c) case 'C': connect_command(); break; + case 'D': + ioctl(line_fd, TIOCCDTR, NULL); + sleep(1); + ioctl(line_fd, TIOCSDTR, NULL); + break; case 'R': start_record(); break; @@ -258,6 +263,7 @@ do_command(char c) "~$ pipe local command to remote host\r\n" "~> send file to remote host\r\n" "~C connect program to remote host\r\n" + "~D de-assert DTR line briefly\r\n" "~R start recording to file\r\n" "~S set speed\r\n" "~X send file with XMODEM\r\n" diff --git a/usr.bin/cu/cu.1 b/usr.bin/cu/cu.1 index c3ad41157a4..8dee23b972e 100644 --- a/usr.bin/cu/cu.1 +++ b/usr.bin/cu/cu.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: cu.1,v 1.6 2012/07/12 13:11:46 nicm Exp $ +.\" $OpenBSD: cu.1,v 1.7 2012/07/15 06:55:28 nicm Exp $ .\" .\" Copyright (c) 1980, 1990, 1993 .\" The Regents of the University of California. All rights reserved. @@ -29,7 +29,7 @@ .\" .\" @(#)tip.1 8.4 (Berkeley) 4/18/94 .\" -.Dd $Mdocdate: July 12 2012 $ +.Dd $Mdocdate: July 15 2012 $ .Dt CU 1 .Os .Sh NAME @@ -123,6 +123,8 @@ file descriptors: 1 \*(Lt-\*(Gt remote tty out 2 \*(Lt-\*(Gt local tty stderr .Ed +.It Ic ~D +Deassert the data terminal ready (DTR) line briefly. .It Ic ~R Record all output from the remote system to a file. If the given file already exists, it is appended to. |