mirror of
https://github.com/sixfab/Sixfab_PPP_Installer
synced 2024-12-24 10:11:36 +00:00
131 lines
2.8 KiB
Bash
131 lines
2.8 KiB
Bash
#!/bin/env bash
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# Pinout for cellulariot app shield
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STATUS=20
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POWERKEY=11
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DISABLE=26
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# General variables
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INTERVAL=60
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DOUBLE_CHECK_WAIT=10
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PING_TIMEOUT=9
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# Configure pins
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gpio -g mode $STATUS in
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gpio -g mode $POWERKEY out
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gpio -g mode $DISABLE out
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function debug()
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{
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echo $(date "+%Y/%m/%d - %H:%M:%S :") "$1"
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}
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function check_network()
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{
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# Check the network is ready
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debug "Checking the network is ready..."
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for i in {1..600}; do
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NETWORK_OK=0
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debug "SIM Status:"
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atcom AT+CPIN? OK ERROR 10 | grep "CPIN: READY"
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SIM_READY=$?
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debug "Network Registeration Status:"
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# For super SIM
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atcom AT+CREG? OK ERROR 10 | grep "CREG: 0,5"
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NETWORK_REG=$?
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# For native SIM
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atcom AT+CREG? OK ERROR 10 | grep "CREG: 0,1"
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NETWORK_REG_2=$?
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# Combined network registeration status
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NETWORK_REG=$((NETWORK_REG+NETWORK_REG_2))
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if [[ $SIM_READY -eq 0 ]] && [[ $NETWORK_REG -le 1 ]]; then
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debug "Network is ready."
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NETWORK_OK=1
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return 0
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break
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else
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printf "?"
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fi
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sleep 2
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done
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return 1
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}
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function power_up_module()
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{
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for i in {1..20}; do
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if [[ $(gpio -g read $STATUS) -eq 1 ]]; then
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debug "Module is powering up..."
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gpio -g write $POWERKEY 0
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gpio -g write $POWERKEY 1
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sleep 2
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gpio -g write $POWERKEY 0
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sleep 2
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if [[ $(gpio -g read $STATUS) -eq 0 ]]; then
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debug "Module is powered up."
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return 0
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break
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else
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debug "Module couldn't be powered up!"
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sleep 2
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else
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debug "Module is just powered up."
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return 0
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break
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fi
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done
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return 1
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}
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function restart_power()
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{
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debug "Power of the module is restarting..."
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# Restart power
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gpio -g write $DISABLE 0 # power is disabled
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sleep 2
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gpio -g write $DISABLE 1 # power is enabled
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}
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restart_power # Restart power
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# Modem power up
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if power_up_module -eq 0 ; then sleep 0.1; else debug "Module couldn't be powered up! Check the hardware setup!"; fi
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if check_network -eq 0; then
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debug "PPP chatscript is starting...";
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sudo pon;
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else
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debug "Network registeration is failed!";
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fi
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while true; do
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# Checking cellular internet connection
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ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
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PINGG=$?
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if [[ $PINGG -eq 0 ]]; then
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printf "."
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else
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printf "/"
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sleep $DOUBLE_CHECK_WAIT
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# Checking cellular internet connection
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ping -q -c 1 -s 0 -w $PING_TIMEOUT -I ppp0 8.8.8.8 > /dev/null 2>&1
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PINGG=$?
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if [[ $PINGG -eq 0 ]]; then
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printf "+"
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else
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debug "Connection is down, reconnecting..."
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if check_network -eq 0; then sleep 0.1; else debug "Network registeration is failed!"; fi
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sudo pon
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fi
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fi
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sleep $INTERVAL
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done
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