fixed systemd unit issues

install.sh

@@ -2,7 +2,7 @@
 
 # force run from root user
 if [[ $EUID -ne 0 ]]; then
-    exec sudo "$0" "$@"
+	exec sudo "$0" "$@"
 fi
 
 set -e
@@ -17,9 +17,9 @@ mkdir -p /etc/systemd/system
 
 curl -sSL "https://git.openergy.ru/LUCKFOX/SIM800C/raw/branch/main/chat" > /etc/ppp/chatscripts/sim800c
 curl -sSL "https://git.openergy.ru/LUCKFOX/SIM800C/raw/branch/main/peer" > /etc/ppp/peers/sim800c
-curl -sSL "https://git.openergy.ru/LUCKFOX/SIM800C/raw/branch/main/script" > /etc/init.d/sim800c.sh
-curl -sSL "https://git.openergy.ru/LUCKFOX/SIM800C/raw/branch/main/service" > /etc/systemd/system/sim800c.service
+curl -sSL "https://git.openergy.ru/LUCKFOX/SIM800C/raw/branch/main/script" > /etc/init.d/sim800c
+curl -sSL "https://git.openergy.ru/LUCKFOX/SIM800C/raw/branch/main/service" > /etc/systemd/system/sim800.service
 
 chmod +x /etc/init.d/sim800c
-systemctl enable sim800c
-systemctl start sim800c
+systemctl enable sim800
+systemctl start sim800

script

@@ -1,10 +1,11 @@
 #!/bin/bash
 
-# /etc/init.d/sim800c.sh
+# /etc/init.d/sim800c
 
 case "$1" in
 start)
 	echo "AT+CFUN=1,1" > /dev/ttyS3
+	sleep 3
 	echo "AT+IPR=115200" > /dev/ttyS3
 	pon sim800c
 	;;
@@ -14,6 +15,7 @@ stop)
 	# echo "+++" > /dev/ttyS3
 	# sleep 3
 	echo "AT+CFUN=1,1" > /dev/ttyS3
+	sleep 3
 	;;
 restart|reload)
 	$0 stop

service

@@ -1,4 +1,4 @@
-# /etc/systemd/system/sim800c.service
+# /etc/systemd/system/sim800.service
 
 [Unit]
 Description=SIM800C PPP Connection
@@ -7,8 +7,8 @@ After=rc-local.service
 [Service]
 Type=forking
 PIDFile=/run/ppp0.pid
-ExecStart=/etc/init.d/sim800c.sh start
-ExecStop=/etc/init.d/sim800c.sh stop
+ExecStart=/etc/init.d/sim800c start
+ExecStop=/etc/init.d/sim800c stop
 Restart=on-failure
 RestartSec=5s