OpenWrt/LEDE scripts for ZTE MF832S

20-mf832s.sh

#!/bin/sh

MF832S_PRODUCT="19d2/199/100"
MODEM=/dev/ttyUSB0
NETIF=network.interface.mf832s

[ "$PRODUCT" = "$MF832S_PRODUCT" ] && [ "${DEVICENAME##*.}" = "4" ] || exit

[ "$ACTION" = "remove" ] &&\
    { logger -t hotplug "MF832S: detach" &&\
    sleep 3 &&\
    ubus call $NETIF status | grep available | grep false &&\
    logger -t hotplug "MF832S: $NETIF down" &&\
    ubus call $NETIF down ||\
    exit ; }

[ "$ACTION" = "add" ] &&\
    { logger -t hotplug "MF832S: attach" &&\
    [ -c $MODEM ] &&\
        { logger -t hotplug "MF832S: test" &&\
        chat -f /etc/chatscripts/mf832s-online-test.chat <$MODEM >$MODEM &&\
        logger -t hotplug "MF832S: online" ; } ||\
        { logger -t hotplug "MF832S: offline" &&\
        logger -t hotplug "MF832S: $MODEM chat" &&\
        chat -f /etc/chatscripts/mf832s.chat <$MODEM >$MODEM &&\
        logger -t hotplug "MF832S: $MODEM chat success" &&\
        ubus call $NETIF status | grep available | grep true &&\
        logger -t hotplug "MF832S: $NETIF up" &&\
        ubus call $NETIF up ; } ||\
        logger -t hotplug "MF832S: $MODEM chat fail" ||\
    exit ; }

mf832s-online-test.chat

ABORT   BUSY
ABORT   "NO CARRIER"
ABORT   "ERROR\r"
TIMEOUT 1
''                      "AT"
OK                      "AT+CFUN?"
"+CFUN: 1"              ''
OK                      "AT+CGDCONT?"
'+CGDCONT: 1,"IPV4V6",' ''
OK                      "AT+CGATT?"
"+CGATT: 1"             ''
OK                      "AT+CGACT?"
"+CGACT: 1,1"           ''
OK                      "AT+ZGACT?"
"+ZGACT: 1,1"           ''
OK                      "AT+CREG?"
"+CREG: 1,1"            ''
OK                      "AT+CGREG?"
"+CGREG: 1,"            ''
OK                      "AT+CEREG?"
"+CEREG: 1,"            ''
OK                      "AT+CGPADDR=1"
'+CGPADDR: 1,"'         ''
OK                      ''

mf832s.chat

ABORT   BUSY
ABORT   "NO CARRIER"
ABORT   "ERROR\r"
REPORT  CONNECT
TIMEOUT 1
''      "AT"
OK      'AT+CGDCONT=1,"IPV4V6","","",0,0'
OK      "AT+CFUN=1"
OK      ''
TIMEOUT 30
+CREG:  \d\d\d\d\d\d\d\d\d\d\d\d\d\d\d
+CREG:  "AT+CGATT=1"
OK      "AT+CGACT=1,1"
OK      "AT+ZGACT=1,1"
OK      "AT+CGPADDR=1"
OK      ''