eibdrv.load

欧洲安装总线系统的USB串口接口驱动c程序源代码.软件代码由西门子公司提供

#!/bin/sh
# ---------------------------------------------------------------------------
# eibdrv.load
# ---------------------------------------------------------------------------
# eibdrv Version 0.2.1
# Copyright (C) 2002, Wolfgang Tumfart
#                     Donaustrasse 104/9
#                     A-2344 Maria Enzersdorf
#                     Austria (Europe)
#                     [e-mail]
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 675 Mass Ave, Cambridge, MA 02139, USA.
# ---------------------------------------------------------------------------


# Configure eibdrv by changing the following parameter

mode=1                  # 0-Standardmode, 1-Servermode
port="/dev/ttyS1"       # Node of serial port used  
major=100               # major-number of device driver, 0 for 
                        # automatic configuration

wpbuf_size=20           # maximal number of unacknowledged write requests
outbuf_size=10          # maximal number of messages not written yet
rpbuf_size=10           # maximal number of user processes
rpbuf_msgbuf_size=20    # maximal number of unread messages stored per user process


# Overwrite configuration values with command line parameter

if test $# -ne 0; then
   if test $# -eq 3; then
      mode=$1
      port=$2
      major=$3
   elif test $# -eq 7; then
      mode=$1
      port=$2
      major=$3
      wpbuf_size=$4
      outbuf_size=$5
      rpbuf_size=$6
      rpbuf_msgbuf_size=$7
   else 
      echo "usage (StandardMode): eibdrv.load 0 port major"
      echo "      (ServerMode)  : eibdrv.load 1 port major wpbuf_size outbuf_size rpbuf_size rpbuf_msgbufsize"
      exit 1;
   fi;
fi


# Load eibdrv

/sbin/insmod eibdrv mode=$mode port=$port major=$major \
               wpbuf_size=$wpbuf_size outbuf_size=$outbuf_size \
               rpbuf_size=$rpbuf_size rpbuf_msgbuf_size=$rpbuf_msgbuf_size || exit 2


# Remove old node, find out major number and create new node

rm -f /dev/eibdrv
major=`cat /proc/devices | awk '$2=="eibdrv" {print $1}'`
mknod /dev/eibdrv c $major 0
chmod 0666 /dev/eibdrv
echo "eibdrv: module loaded!"

# Start two server processes if driver is in servermode

if test $mode -eq 1; then
   /sbin/eibdrv_serv /dev/eibdrv
fi