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4G Dial 脚本(N720 Neoway)

4G Dial 脚本(N720 Neoway)

作者: 童年雅趣 | 来源:发表于2020-04-22 15:01 被阅读0次
    #!/bin/bash
    
    string='Gobi'
    info_eth1=$(ethtool -i eth1 | grep 'driver')
    
    if  [[ $info_eth1 == *$string* ]]
    then
        echo 'eth1 as 4g eth node'
        eth_no='eth1'
    else
        echo 'eth0 as 4g eth node'
        eth_no='eth0'
    fi
    
    #echo -e "AT+CGATT?\r\n" > /dev/ttyUSB2;
    #res1=$(head -n3 /dev/ttyUSB2 | grep "CGATT: 1")
    #echo $res1
    
    echo 'Power up 4G module and dial, please wait'
    
    #--- turn off radio and SIM power
    echo -e "AT+CFUN=0,1\r\n" > /dev/ttyUSB2
    sleep 5
    
    for i in {1..20}
    do
        if [ -c /dev/ttyUSB2 ];then
            #AT 指令参考 Neoway_N720_AT命令手册
            cat /dev/ttyUSB2 &
            echo -e "ATI\r\n" > /dev/ttyUSB2
            sleep 1
            echo -e "ATI+CCID\r\n" > /dev/ttyUSB2
            sleep 1
            echo -e "ATI+CREG?\r\n" > /dev/ttyUSB2
            sleep 1
            echo -e "ATI+CSQ\r\n" > /dev/ttyUSB2
            sleep 5
    
            #运行拨号,如返回$QCRMCALL: 1 V4则正常
            echo -e "AT\$QCRMCALL=1,1\r\n" > /dev/ttyUSB2
            sleep 1
                    echo -e "AT\$QCRMCALL=1,1\r\n" > /dev/ttyUSB2
            sleep 5
    
            udhcpc -i $eth_no
            sleep 1
            ipaddr=$(/sbin/ifconfig $eth_no|grep inet|grep -v 127.0.0.1|grep -v inet6 | awk '{print $2}' | tr -d "addr:")
            for j in {1..5}  #check ip get or not
            do 
                if [ -z "$ipaddr" ]; then
                        echo 'can not get ip re-dhcp'
                    udhcpc -i $eth_no
                    sleep 1
                else
                        echo $ipaddr
                    exit 
                fi
            done
    
                exit    
    
        else 
            echo '4G Module reset, just waiting '
            sleep 1
        fi
    done 
    
    
    #PS: 其他AT 指令参考
    #断开拨号
    #echo -e "AT\$QCRMCALL=0,1\r\n" > /dev/ttyUSB2
    #sleep 3
    
    #如下为关闭模块和飞行模式操作方法,供参考
    #--- turn off radio and fly mode
    #echo -e "AT+CFUN=4,0\r\n" > /dev/ttyUSB2
    #sleep 1
    #--- turn off radio and SIM power
    #echo -e "AT+CFUN=0,0\r\n" > /dev/ttyUSB2
    #sleep 1
    #--- turn on radio and full function (default)
    #echo -e "AT+CFUN=1\r\n" > /dev/ttyUSB2
    #sleep 10
    #--- Check CFUN state
    #echo -e "AT+CFUN?\r\n" > /dev/ttyUSB2
    

    以上脚本适用于T600/T100/T101/T200等型号,但需root 执行
    参考文档:
    Neoway_N720_AT命令手册(标准版)
    Neoway_N720_Linux集成用户手册

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