jptmknod

这是一个LINUX下多串口驱动程序

#!/bin/sh

COUNT=256
MASTER_MAJOR=184
TTYNAME=ttyn

rm -f /dev/$TTYNAME*


nr=0
master=$MASTER_MAJOR
while [ $nr -lt $COUNT ] 
do
	mknod /dev/$TTYNAME$nr c $master $nr
	chmod a+wx /dev/$TTYNAME$nr
	nr=`expr $nr + 1`
done