From bf5b19d94ea22401762a387ea5dd2e043da4e9af Mon Sep 17 00:00:00 2001
From: John Klug <john.klug@multitech.com>
Date: Mon, 12 Aug 2019 14:56:39 -0500
Subject: New multiple modem switch APN code

---
 .../mlinux-scripts-1.2/mlinux-switch-apn           | 103 ++++++++++++++-------
 1 file changed, 68 insertions(+), 35 deletions(-)

(limited to 'recipes-core/mlinux-scripts')

diff --git a/recipes-core/mlinux-scripts/mlinux-scripts-1.2/mlinux-switch-apn b/recipes-core/mlinux-scripts/mlinux-scripts-1.2/mlinux-switch-apn
index 535ab17..689b0a4 100755
--- a/recipes-core/mlinux-scripts/mlinux-scripts-1.2/mlinux-switch-apn
+++ b/recipes-core/mlinux-scripts/mlinux-scripts-1.2/mlinux-switch-apn
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright (C) 2014, 2017 Multi-Tech Systems
+# Copyright (C) 2014, 2017, 2019 Multi-Tech Systems
 
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -20,26 +20,19 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-lna3_chat_file[0]=/etc/ppp/peers/lna3_chat_non_vz
-lna3_chat_file[1]=/etc/ppp/peers/lna3_chat_vz
-lna3_chat_link=/etc/ppp/peers/lna3_chat
+MTMODEMS=(LNA3 L4N1)
+MODEMS=(LE910-NA1 LE910C4-NF)
 
-function setchat {
-  fw=$1
-  silent=$2
-  if ((${#lna3_chat_file[$fw]} == 0)) ; then
-    >&2 echo "Invalid firmware SKU $fw"
+# See if string is in array of strings
+# parm 1 String
+# parm 2 Arrays of strings
+function findItem {
+    local s check="$1"
+    shift
+    for s ; do 
+        [[ "$s" == "$check" ]] && return 0;
+    done
     return 1
-  else
-    canon_src=$(readlink -f "${lna3_chat_file[$fw]}")
-    canon_dest=$(readlink -f "${lna3_chat_link}")
-    if [[ ${canon_src} != ${canon_dest} ]] ; then
-        if ((silent == 0)) ; then
-            echo "Setting chat script to ${lna3_chat_file[$fw]}"
-        fi
-        ln -sf "${lna3_chat_file[$fw]}" "${lna3_chat_link}"
-    fi
-  fi
 }
 
 function usage {
@@ -47,37 +40,77 @@ function usage {
     >&2 echo "The firmware image SKU is optional."
     >&2 echo "If not specified, the image SKU will be determined"
     >&2 echo "from the SIM, and automatically switched with the"
-    >&2 echo "APN.  Current valid SKU's are 0 and 1"
-    >&2 echo "Only LE910-NA1 is supported on product-ids containing string -LNA3-"
+    >&2 echo "APN.  Current valid SKU's are 0, 1 and 2"
     exit 1
 }
 
+function setchat {
+    m=$1
+    m=${m,,}
+    fw=$2
+    silent=$3
+    case $fw in
+        0)
+            ending="non_vz"
+            ;;
+        1)
+            ending="vz"
+            ;;
+        2)
+            # Currently L4N1 only
+            ending="non_vz"
+            ;;
+        *)
+            >&2 echo 'Invalid firmware number $fw'
+            usage
+            exit 1
+            ;;
+    esac
+    source="/etc/ppp/peers/${m}_chat_${ending}"
+    target="/etc/ppp/peers/${m}_chat"
+    canon_src=$(readlink -f "${source}")
+    canon_target=$(readlink -f "${target}")
+    if [[ ${canon_src} != ${canon_target} ]] ; then
+        if ((silent == 0)) ; then
+            echo "Setting chat script to ${source}"
+        fi
+        ln -sf "${source}" "${target}"
+    fi
+}
+
 function not_ready {
 	>&2 echo "Radio is not ready"
 	>&2 echo "Try executing mlinux-switch-apn once the radio is ready"
 	exit 1
 }
+
 productid=$(/usr/sbin/mts-io-sysfs show product-id)
-if ! [[ $productid =~ -LNA3- ]] ; then
-  echo "Firmware switch is supported only on LE910-NA1 models with product-id containing -LNA3-."
+if [[ $productid =~ [^-]*-([^-]*)- ]] ; then
+    mymtmodem="${BASH_REMATCH[1],,}"
+else
+    >&2 echo "Cannot find the modem in the $productid string"
+    exit 1
+fi
+
+if ! findItem "${mymtmodem^^}" "${MTMODEMS[@]}"  ; then
+  echo "Firmware switch is not supported on ${mymtmodem}."
   usage
   exit 1
 fi
 
 if (($# > 0)) ; then
     fw="$1"
-    if [[ fw =~ ^[0-9]+$ ]] ; then
-        if ((fw < 0)) || ((fw > 1)) ; then
+    if [[ $fw =~ ^[0-9]+$ ]] ; then
+	echo fw is $fw
+        if ((fw < 0)) || ((fw > 2)) ; then
             usage
         fi
     else
-        if ((fw > 1))  || ((fw < 0)) ; then
-            >&2 echo "Invalid firmware SKU value"
-            usage
-        fi
+        >&2 echo "Invalid firmware SKU value"
+        usage
     fi
     echo "Switching chat script to firmware SKU $fw"
-    setchat $fw 0
+    setchat $mymtmodem $fw 0
     exit $?
 else
     if ! /usr/sbin/mlinux-cell-radio-ready ; then
@@ -87,23 +120,23 @@ else
     fi
     MODEL=$(radio-query --model)
     if (($? != 0)) ; then
-        >&2echo "Assume no radio on this device."
+        >&2echo "No radio on this device."
         usage
         exit 1
     fi
-    if [[ $MODEL != LE910-NA1 ]] ; then
-        >&2 echo "Firmware switch is supported only on LE910-NA1 models with product-id containing -LNA3-."
+    if ! findItem $MODEL "${MODEMS[@]}" ; then
+        >&2 echo "Firmware switch is supported only on ${MODEMS[@]} and this modem is $MODEL"
         usage
     fi
     
     if  fwreply=$(/usr/sbin/mlinux-switch-cell-fw -1); then
         if [[ $fwreply =~ Cellular[[:space:]]+radio[[:space:]]+firmware[[:space:]]+has[[:space:]]+(already[[:space:]]+)been[[:space:]]+switched[[:space:]]+to[[:space:]]+([^[:space:]]*)[[:space:]]+image\. ]] ; then
           fw=${BASH_REMATCH[2]}
-          setchat $fw 0
+          setchat "${mymtmodem}" $fw 0
         else
 	  fw=$(radio-query --active-firmware)
           if (($? == 0)) ; then
-                setchat $fw 0
+              setchat "${mymtmodem}" $fw 0
           fi
       fi
     fi
-- 
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