initial commit

chat

@@ -0,0 +1,10 @@
+# /etc/ppp/peers/sim800c
+
+TIMEOUT 15
+ABORT "BUSY"
+ABORT "ERROR"
+ABORT "NO CARRIER"
+"" AT
+OK "AT+CGDCONT=1,\"IP\",\"internet.beeline.ru\""
+OK ATD*99#
+CONNECT ""

peer

@@ -0,0 +1,23 @@
+# /etc/ppp/peers/sim800c
+
+/dev/ttyS3
+115200
+
+debug
+# nodetach
+dump
+lock
+
+defaultroute
+replacedefaultroute
+defaultroute-metric 200
+
+nocrtscts
+ipcp-accept-local
+ipcp-accept-remote
+noipdefault
+usepeerdns
+persist
+noauth
+
+connect '/usr/sbin/chat -v -f /etc/ppp/chatscripts/sim800c'

script

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# /etc/init.d/sim800c
+
+case "$1" in
+start)
+	echo "AT+CFUN=1,1" > /dev/ttyS3
+	echo "AT+IPR=115200" > /dev/ttyS3
+	pon sim800c
+	;;
+stop)
+	poff sim800c
+	# sleep 3
+	# echo "+++" > /dev/ttyS3
+	# sleep 3
+	echo "AT+CFUN=1,1" > /dev/ttyS3
+	;;
+restart|reload)
+	$0 stop
+	$0 start
+	;;
+*)
+	echo "Usage: $0 {start|stop|restart}"
+	exit 1
+esac
+
+exit 0

service

@@ -0,0 +1,16 @@
+# /etc/systemd/system/sim800c.service
+
+[Unit]
+Description=SIM800C PPP Connection
+After=rc-local.service
+
+[Service]
+Type=forking
+PIDFile=/run/ppp0.pid
+ExecStart=/home/pico/sim800c start
+ExecStop=/home/pico/sim800c stop
+Restart=on-failure
+RestartSec=5s
+
+[Install]
+WantedBy=multi-user.target