changed all folder structure

src/chat-connect

@@ -0,0 +1,17 @@
+# /etc/chatscripts/chat-connect
+ABORT "BUSY"
+ABORT "NO CARRIER"
+ABORT "NO DIALTONE"
+ABORT "ERROR"
+ABORT "NO ANSWER"
+TIMEOUT 30
+"" AT
+OK ATE0
+OK AT+CPIN?
+READY AT+CSQ
+OK AT+CREG?
+OK AT+CGREG?
+OK AT+COPS?
+OK AT+CGDCONT=1,"IP","\T",,0,0
+OK ATD*99#
+CONNECT

src/chat-disconnect

@@ -0,0 +1,8 @@
+# /etc/chatscripts/chat-disconnect
+ABORT "ERROR"
+ABORT "NO DIALTONE"
+SAY "\nSending break to the modem\n"
+""  +++
+""  +++
+""  +++
+SAY "\nGoodbye\n"

src/configs.sh

@@ -0,0 +1,6 @@
+#!/bin/env bash
+
+INTERVAL=60 # Seconds, Interval between two connection check of internet
+DOUBLE_CHECK_WAIT=10    # Seconds, wait time for double check when the connection is down
+PING_TIMEOUT=9  # Seconds, Timeout of ping command          
+NETWORK_CHECK_TIMEOUT=300   # Count, Check network for ($NETWORK_TIMEOUT x 2 Seconds) 

src/functions.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+source configs.sh
+
+function debug()
+{
+    echo $(date "+%Y/%m/%d - %H:%M:%S :") "$1"
+}
+
+function check_network()
+{   
+    # Check the network is ready
+    debug "Checking the network is ready..."
+
+    for i in {1..$NETWORK_CHECK_TIMEOUT}; do
+        NETWORK_OK=0
+
+        debug "SIM Status:"
+        atcom AT+CPIN? OK ERROR 10 | grep "CPIN: READY"
+        SIM_READY=$?
+
+        debug "Network Registeration Status:"
+        # For super SIM
+        atcom AT+CREG? OK ERROR 10 | grep "CREG: 0,5"
+        NETWORK_REG=$?
+        # For native SIM
+        atcom AT+CREG? OK ERROR 10 | grep "CREG: 0,1"
+        NETWORK_REG_2=$?
+        # Combined network registeration status
+        NETWORK_REG=$((NETWORK_REG+NETWORK_REG_2))
+
+        if [[ $SIM_READY -eq 0 ]] && [[ $NETWORK_REG -le 1 ]]; then
+            debug "Network is ready."
+            NETWORK_OK=1
+            return 0
+            break
+        else
+            printf "?"
+        fi
+        sleep 2
+    done
+    return 1
+}

src/provider

@@ -0,0 +1,36 @@
+# /etc/ppp/peers/provider
+/dev/#DEVICE 115200
+# The chat script, customize your APN in this file
+connect 'chat -s -v -f /etc/chatscripts/chat-connect -T #APN'
+# The close script
+disconnect 'chat -s -v -f /etc/chatscripts/chat-disconnect'
+# Hide password in debug messages
+hide-password
+# The phone is not required to authenticate
+noauth
+persist
+# Debug info from pppd
+debug
+# If you want to use the HSDPA link as your gateway
+defaultroute
+# pppd must not propose any IP address to the peer
+noipdefault
+# No ppp compression
+novj
+novjccomp
+noccp
+ipcp-accept-local
+ipcp-accept-remote
+local
+# For sanity, keep a lock on the serial line
+lock
+modem
+dump
+updetach
+# Hardware flow control
+nocrtscts
+remotename 3gppp
+ipparam 3gppp
+ipcp-max-failure 30
+# Ask the peer for up to 2 DNS server addresses
+usepeerdns

src/reconnect_scripts/reconnect_basehat

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+source functions.sh
+source configs.sh
+
+# Pinout for base hat
+POWER_OFF=26
+W_DISABLE=19
+
+# Control pins
+gpio -g mode $POWER_OFF out	#HAT_POWER_OFF
+gpio -g mode $W_DISABLE out	#W_DISABLE
+
+gpio -g write $POWER_OFF 0
+gpio -g write $W_DISABLE 0
+
+
+if check_network -eq 0; then 
+    debug "PPP chatscript is starting...";
+    sudo pon;
+else 
+    debug "Network registeration is failed!";
+fi 
+
+while true; do
+    # Checking cellular internet connection
+    ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+    PINGG=$?
+
+    if [[ $PINGG -eq 0 ]]; then
+        printf "."
+    else
+        printf "/"
+        sleep $DOUBLE_CHECK_WAIT
+	    # Checking cellular internet connection
+        ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+        PINGG=$?
+
+        if [[ $PINGG -eq 0 ]]; then
+            printf "+"
+        else
+	        debug "Connection is down, reconnecting..."
+            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+	        sudo pon
+	    fi
+    fi
+	sleep $INTERVAL
+done

src/reconnect_scripts/reconnect_baseshield

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+source functions.sh
+source configs.sh
+
+if check_network -eq 0; then 
+    debug "PPP chatscript is starting...";
+    sudo pon;
+else 
+    debug "Network registeration is failed!";
+fi 
+
+while true; do
+    # Checking cellular internet connection
+    ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+    PINGG=$?
+
+    if [[ $PINGG -eq 0 ]]; then
+        printf "."
+    else
+        printf "/"
+        sleep $DOUBLE_CHECK_WAIT
+	    # Checking cellular internet connection
+        ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+        PINGG=$?
+
+        if [[ $PINGG -eq 0 ]]; then
+            printf "+"
+        else
+	        debug "Connection is down, reconnecting..."
+            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+	        sudo pon
+	    fi
+    fi
+	sleep $INTERVAL
+done

src/reconnect_scripts/reconnect_cellulariot

@@ -0,0 +1,88 @@
+#!/bin/bash
+
+source functions.sh
+source configs.sh
+
+# Pinout for cellulariot hat
+STATUS=23
+POWERKEY=24
+ENABLE=17
+
+# Configure pins
+gpio -g mode $STATUS in
+gpio -g mode $POWERKEY out
+gpio -g mode $ENABLE out
+
+
+function power_up_module()
+{
+	for i in {1..20}; do
+		if [[ $(gpio -g read $STATUS) -eq 1 ]]; then
+			debug "Module is powering up..."
+
+			gpio -g write $POWERKEY 1
+			sleep 2
+			gpio -g write $POWERKEY 0
+			sleep 2
+
+			if [[ $(gpio -g read $STATUS) -eq 0 ]]; then
+				debug "Module is powered up."
+				return 0
+				break
+			else
+				debug "Module couldn't be powered up!"
+				sleep 2
+		else
+			debug "Module is just powered up."
+			return 0
+			break
+		fi
+	done
+	return 1 
+}
+
+function restart_power()
+{
+	debug "Power of the module is restarting..."
+	# Restart power
+	gpio -g write $ENABLE 1 # power is disabled 
+	sleep 2
+	gpio -g write $ENABLE 0 # power is enabled
+}
+
+restart_power # Restart power
+
+# Modem power up
+if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powered up! Check the hardware setup!"; fi
+
+if check_network -eq 0; then 
+    debug "PPP chatscript is starting...";
+    sudo pon;
+else 
+    debug "Network registeration is failed!";
+fi 
+
+while true; do
+    # Checking cellular internet connection
+    ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+    PINGG=$?
+
+    if [[ $PINGG -eq 0 ]]; then
+        printf "."
+    else
+        printf "/"
+        sleep $DOUBLE_CHECK_WAIT
+	    # Checking cellular internet connection
+        ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+        PINGG=$?
+
+        if [[ $PINGG -eq 0 ]]; then
+            printf "+"
+        else
+	        debug "Connection is down, reconnecting..."
+            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+	        sudo pon
+	    fi
+    fi
+	sleep $INTERVAL
+done

src/reconnect_scripts/reconnect_cellulariot_app

@@ -0,0 +1,89 @@
+#!/bin/bash
+
+source functions.sh
+source configs.sh
+
+# Pinout for cellulariot app shield
+STATUS=20
+POWERKEY=11
+DISABLE=26
+
+# Configure pins
+gpio -g mode $STATUS in
+gpio -g mode $POWERKEY out
+gpio -g mode $DISABLE out
+
+
+function power_up_module()
+{
+	for i in {1..20}; do
+		if [[ $(gpio -g read $STATUS) -eq 1 ]]; then
+			debug "Module is powering up..."
+
+			gpio -g write $POWERKEY 0
+			gpio -g write $POWERKEY 1
+			sleep 2
+			gpio -g write $POWERKEY 0
+			sleep 2
+
+			if [[ $(gpio -g read $STATUS) -eq 0 ]]; then
+				debug "Module is powered up."
+				return 0
+				break
+			else
+				debug "Module couldn't be powered up!"
+				sleep 2
+		else
+			debug "Module is just powered up."
+			return 0
+			break
+		fi
+	done
+	return 1 
+}
+
+function restart_power()
+{
+	debug "Power of the module is restarting..."
+	# Restart power
+	gpio -g write $DISABLE 0 # power is disabled 
+	sleep 2
+	gpio -g write $DISABLE 1 # power is enabled
+}
+
+restart_power # Restart power
+
+# Modem power up
+if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powered up! Check the hardware setup!"; fi
+
+if check_network -eq 0; then 
+    debug "PPP chatscript is starting...";
+    sudo pon;
+else 
+    debug "Network registeration is failed!";
+fi 
+
+while true; do
+    # Checking cellular internet connection
+    ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+    PINGG=$?
+
+    if [[ $PINGG -eq 0 ]]; then
+        printf "."
+    else
+        printf "/"
+        sleep $DOUBLE_CHECK_WAIT
+	    # Checking cellular internet connection
+        ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+        PINGG=$?
+
+        if [[ $PINGG -eq 0 ]]; then
+            printf "+"
+        else
+	        debug "Connection is down, reconnecting..."
+            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+	        sudo pon
+	    fi
+    fi
+	sleep $INTERVAL
+done

src/reconnect_scripts/reconnect_gprsshield

@@ -0,0 +1,79 @@
+#!/bin/bash
+
+source functions.sh
+source configs.sh
+
+# Pinout for cellulariot hat
+STATUS=19
+POWERKEY=26
+
+
+# Configure pins
+gpio -g mode $STATUS in
+gpio -g mode $POWERKEY out
+gpio -g mode $ENABLE out
+
+
+function power_up_module()
+{
+	for i in {1..20}; do
+		if [[ $(gpio -g read $STATUS) -eq 1 ]]; then
+			debug "Module is powering up..."
+
+			gpio -g write $POWERKEY 0
+			gpio -g write $POWERKEY 1
+			sleep 2
+			gpio -g write $POWERKEY 0
+			sleep 2
+
+			if [[ $(gpio -g read $STATUS) -eq 0 ]]; then
+				debug "Module is powered up."
+				return 0
+				break
+			else
+				debug "Module couldn't be powered up!"
+				sleep 2
+		else
+			debug "Module is just powered up."
+			return 0
+			break
+		fi
+	done
+	return 1 
+}
+
+
+# Modem power up
+if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powered up! Check the hardware setup!"; fi
+
+if check_network -eq 0; then 
+    debug "PPP chatscript is starting...";
+    sudo pon;
+else 
+    debug "Network registeration is failed!";
+fi 
+
+while true; do
+    # Checking cellular internet connection
+    ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+    PINGG=$?
+
+    if [[ $PINGG -eq 0 ]]; then
+        printf "."
+    else
+        printf "/"
+        sleep $DOUBLE_CHECK_WAIT
+	    # Checking cellular internet connection
+        ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+        PINGG=$?
+
+        if [[ $PINGG -eq 0 ]]; then
+            printf "+"
+        else
+	        debug "Connection is down, reconnecting..."
+            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+	        sudo pon
+	    fi
+    fi
+	sleep $INTERVAL
+done

src/reconnect_scripts/reconnect_test.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+source functions.sh
+source configs.sh
+
+
+if check_network -eq 0; then 
+    debug "PPP chatscript is starting...";
+    sudo pon;
+else 
+    debug "Network registeration is failed!";
+fi 
+
+while true; do
+    # Checking cellular internet connection
+    ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+    PINGG=$?
+
+    if [[ $PINGG -eq 0 ]]; then
+        printf "."
+    else
+        printf "/"
+        sleep $DOUBLE_CHECK_WAIT
+	    # Checking cellular internet connection
+        ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+        PINGG=$?
+
+        if [[ $PINGG -eq 0 ]]; then
+            printf "+"
+        else
+	        debug "Connection is down, reconnecting..."
+            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+	        sudo pon
+	    fi
+    fi
+	sleep $INTERVAL
+done

src/reconnect_scripts/reconnect_tracker

@@ -0,0 +1,90 @@
+#!/bin/bash
+
+source functions.sh
+source configs.sh
+
+# Pinout for cellulariot app shield
+STATUS=23
+POWERKEY=24
+DISABLE=17
+
+# Configure pins
+gpio -g mode $STATUS in
+gpio -g mode $POWERKEY out
+gpio -g mode $DISABLE out
+
+
+function power_up_module()
+{
+	for i in {1..20}; do
+		if [[ $(gpio -g read $STATUS) -eq 1 ]]; then
+			debug "Module is powering up..."
+
+			gpio -g write $POWERKEY 0
+			gpio -g write $POWERKEY 1
+			sleep 2
+			gpio -g write $POWERKEY 0
+			sleep 2
+
+			if [[ $(gpio -g read $STATUS) -eq 0 ]]; then
+				debug "Module is powered up."
+				return 0
+				break
+			else
+				debug "Module couldn't be powered up!"
+				sleep 2
+		else
+			debug "Module is just powered up."
+			return 0
+			break
+		fi
+	done
+	return 1 
+}
+
+function restart_power()
+{
+	debug "Power of the module is restarting..."
+	# Restart power
+	gpio -g write $DISABLE 0 # power is disabled 
+	sleep 2
+	gpio -g write $DISABLE 1 # power is enabled
+}
+
+restart_power # Restart power
+
+# Modem power up
+if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powered up! Check the hardware setup!"; fi
+
+if check_network -eq 0; then 
+    debug "PPP chatscript is starting...";
+    sudo pon;
+else 
+    debug "Network registeration is failed!";
+fi 
+
+while true; do
+    # Checking cellular internet connection
+    ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+    PINGG=$?
+
+    if [[ $PINGG -eq 0 ]]; then
+        printf "."
+    else
+        printf "/"
+        sleep $DOUBLE_CHECK_WAIT
+	    # Checking cellular internet connection
+        ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
+        PINGG=$?
+
+        if [[ $PINGG -eq 0 ]]; then
+            printf "+"
+        else
+	        debug "Connection is down, reconnecting..."
+            if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
+	        sudo pon
+	    fi
+    fi
+	sleep $INTERVAL
+done
+

src/reconnect_service

@@ -0,0 +1,13 @@
+[Unit]
+Description=PPP Auto Connection
+After=network.target
+
+[Service]
+ExecStart=/bin/bash reconnect.sh
+WorkingDirectory=/opt/sixfab/ppp_connection_manager
+StandardOutput=inherit
+StandardError=inherit
+Restart=always
+
+[Install]
+WantedBy=multi-user.target