Added template of connection_manager scripts

src/configure_modem.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+source functions.sh
+
+### Modem configuration for RMNET/PPP mode ##################################
+debug "Checking APN and Modem Mode..."
+
+# APN
+atcom "AT+CGDCONT?" "OK" "ERROR" 10 | grep super >> /dev/null
+
+if [[ $? -ne 0 ]]; then
+    atcom "AT+CGDCONT=1,\"IP\",\"super\"" "OK" "ERROR" 10
+    debug "APN is updated."
+fi
+
+atcom "AT#USBCFG?" "OK" "ERROR" 10 | grep 0 >> /dev/null
+
+if [[ $? -ne 0 ]]; then
+    atcom "AT#USBCFG=0" "OK" "ERROR" 10
+    debug "RMNET/PPP mode is activated."
+    debug "Modem restarting..."
+
+    sleep 20
+    
+    # Check modem is started!
+    for i in {1..120}; do
+        route -n | grep wwan0 >> /dev/null
+        if [[ $? -eq 0 ]]; then
+            echo
+            debug "Modem is restarted."
+            break
+        fi
+        sleep 1
+        printf "*"
+    done
+    sleep 5 # wait until modem is ready 
+fi
+### End of Modem configuration for RMNET/PPP mode ############################