mirror of
https://github.com/sixfab/Sixfab_PPP_Installer
synced 2024-12-24 10:11:36 +00:00
120 lines
2.6 KiB
Bash
120 lines
2.6 KiB
Bash
#!/bin/env bash
|
|
|
|
# Pinout for cellulariot hat
|
|
STATUS=19
|
|
POWERKEY=26
|
|
|
|
# General variables
|
|
INTERVAL=60
|
|
DOUBLE_CHECK_WAIT=10
|
|
PING_TIMEOUT=9
|
|
|
|
# Configure pins
|
|
gpio -g mode $STATUS in
|
|
gpio -g mode $POWERKEY out
|
|
gpio -g mode $ENABLE out
|
|
|
|
function debug()
|
|
{
|
|
echo $(date "+%Y/%m/%d - %H:%M:%S :") "$1"
|
|
}
|
|
|
|
function check_network()
|
|
{
|
|
# Check the network is ready
|
|
debug "Checking the network is ready..."
|
|
|
|
for i in {1..600}; do
|
|
NETWORK_OK=0
|
|
|
|
debug "SIM Status:"
|
|
atcom AT+CPIN? OK ERROR 10 | grep "CPIN: READY"
|
|
SIM_READY=$?
|
|
|
|
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
|
|
}
|
|
|
|
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
|