#!/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