4G频段测试

目的

4G模块设置不同频段后，再检测参数是否设置成功

设置频段命令

echo -en "AT*BAND=5,0,0,0,1,0,2,2\r\n" > /dev/ttyUSB1

查询当前频段命令

microcom /dev/ttyUSB1 或者 cat /dev/ttyUSB1

echo -en "AT*BAND?" > /dev/ttyUSB1

#! /bin/sh

cat<<EOF


----------------------
*****Input a Band*****
----------------------
LTEB1

----------------------
Enter "q" or "Ctrl+C" to exit the program


EOF

read -p "pls input a band: " num

command3=$num
if [ $num = "q" ];then
    exit
fi
if [ ! -n "$num" ]; then
        echo "you need to input a band"
    exit
fi

tty4g="/dev/ttyUSB1"
tempfile="/irlab/temp.txt"

LTEB1="5,0,0,0,1,0,2,2"

str=`eval echo '$'"$command3"`
if [ -e "/dev/ttyUSB1" ]; then
    if [ "$command3"x = "LTEB1"x ]; then
        echo -en "AT*BAND=5,0,0,0,1,0,2,2\r\n" > /dev/ttyUSB1
    else
        echo -e "'$command3' input error, pls re-start..."
        command3="error"
    fi
else
    echo "4G module is not inserted"
    exit
fi

if [ $command3 != "error" ]; then
    PID=`ps | grep $tty4g | grep -v grep`
        if [ "${PID}" != "" ]; then          
          killall -9 cat                    
        fi                                   
        echo "" > ${tempfile}                
                                            
        sleep 1                              
        cat $tty4g > ${tempfile} &    
        sleep 1
    echo -en "AT*BAND?" > /dev/ttyUSB1
    sleep 1
    str=`eval echo '$'"$command3"`
    echo "$command3  ${str}"
    
    one=$(echo $str | cut -d "," -f 1,5,6,7)
    query=`grep "*BAND:" $tempfile | tail -1`
    echo "$query"
    two=$(echo $query | cut -d ":" -f 2 | cut -d "," -f 1,5,6,7)

    echo "start=$one"
    echo "end=$two"

    if [ "$one" = "$two" ]; then
         echo -e "-----------band set success-----------"
    else
             echo -e "-----------band set fail------------"
    fi 

    sleep 1

    PID=`ps | grep ${tty4g} | grep -v grep`
    if [ "${PID}" != "" ]; then
              killall -9 cat
    fi
    rm -f $tempfile
fi