Now rc.serial used for initial setup of serial lines

1 files changed, 91 insertions, 0 deletions

diff --git a/etc/rc.serial b/etc/rc.serial
new file mode 100644
index 0000000..7f042e8
--- /dev/null
+++ b/etc/rc.serial
@@ -0,0 +1,91 @@
+# Change some defauls for serial devices.
+# Standard defaults are:
+#	dtrwait 300
+#	initial cflag from <sys/ttydefaults.h> = cread cs8 hupcl
+#	initial iflag, lflag and oflag all 0
+#	speed 9600
+#	special chars from <sys/ttydefaults.h>
+#	nothing locked
+# except for serial consoles the initial iflag, lflag and oflag are from
+# <sys/ttydefaults.h> and clocal is locked on.
+
+default() {
+	# Reset everything changed by the other functions to initial defaults.
+	for i in $*
+	do
+		comcontrol /dev/ttyd$i dtrwait 300
+		stty </dev/ttyid$i -clocal  crtscts  hupcl 9600 reprint ^R
+		stty </dev/ttyld$i -clocal -crtscts -hupcl 0
+		stty </dev/cuai0$i -clocal  crtscts  hupcl 9600 reprint ^R
+		stty </dev/cual0$i -clocal -crtscts -hupcl 0
+	done
+}
+
+maybe() {
+	# Special settings.
+	for i in $*
+	do
+		# Don't use ^R; it breaks bash's ^R when typed ahead.
+		stty </dev/ttyid$i reprint undef
+		stty </dev/cuai0$i reprint undef
+		# Lock clocal off on dialin device for security.
+		stty </dev/ttyld$i clocal
+		# Lock the speeds to use old binaries that don't support them.
+		# Any legal speed works to lock the initial speed.
+		stty </dev/ttyld$i 300
+		stty </dev/cual0$i 300
+	done
+}
+
+modem() {
+	# Modem that supports CTS and perhaps RTS handshaking.
+	for i in $*
+	do
+		comcontrol /dev/ttyd$i dtrwait 100	# may depend on modem
+		# Lock crtscts on.
+		# Speed reasonable for V42bis.
+		stty </dev/ttyid$i crtscts 57600
+		stty </dev/ttyld$i crtscts
+		stty </dev/cuai0$i crtscts 57600
+		stty </dev/cual0$i crtscts
+	done
+}
+
+mouse() {
+	# Mouse on either callin or callout port.
+	for i in $*
+	do
+		# Lock clocal on, hupcl off.
+		# Standard speed for Microsoft mouse.
+		stty </dev/ttyid$i clocal -hupcl 1200
+		stty </dev/ttyld$i clocal  hupcl
+		stty </dev/cuai0$i clocal -hupcl 1200
+		stty </dev/cual0$i clocal  hupcl
+	done
+}
+
+terminal() {
+	# Terminal that supports CTS and perhaps RTS handshaking
+	# with the cable or terminal arranged so that DCD is on
+	# at least while the terminal is on.
+	# Also works for bidirectional communications to another pc
+	# provided at most one side runs getty.
+	# Same as modem() except we want a faster speed and no dtrwait.
+	modem $*
+	for i in $*
+	do
+		comcontrol /dev/ttyd$i dtrwait 0
+		stty </dev/ttyid$i 115200
+		stty </dev/cuai0$i 115200
+	done
+}
+
+# Don't use anything from this file unless you have some buggy programs
+# that require it.
+#
+# Edit the functions and the examples to suit your system.
+#
+# maybe		0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v
+# mouse		    2
+# modem		  1
+# terminal	0