From 09548e3b15e9ec26a7a1347fed3c2cb4f2165d51 Mon Sep 17 00:00:00 2001
From: Joerg Lehmann <joerg.lehmann@nbit.ch>
Date: Wed, 25 Apr 2018 17:26:59 +0200
Subject: [PATCH] Send Heartbeat SMS (halbjaehrlich)

---
 REAME.md          |  5 +++++
 root-bin/send_sms | 24 ++++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100755 root-bin/send_sms

diff --git a/REAME.md b/REAME.md
index 0bb7d73..baad294 100644
--- a/REAME.md
+++ b/REAME.md
@@ -161,6 +161,11 @@ $ tar cvf /var/tmp/proxypi-git-files.tar .
 # systemctl disable avahi-daemon
 # systemctl disable triggerhappy
 
+Cronjob einrichten:
+/etc/cron.d/send_sms:
+@reboot root sleep 30;/home/pi/root-bin/send_sms
+
+
 
 Reboot:
 # init 6
diff --git a/root-bin/send_sms b/root-bin/send_sms
new file mode 100755
index 0000000..ebdc981
--- /dev/null
+++ b/root-bin/send_sms
@@ -0,0 +1,24 @@
+#!/bin/bash
+#
+# Sendet mindestens einmal pro Halbjahr eine Test-SMS,
+# damit der Prepaid Account nicht wegen Nicht-Benutzung gesperrt
+# wird.
+#
+# 25.4.2018 - Joerg Lehmann
+#
+MONTH="$(date +%m)"
+STATE_DIR=/var/tmp
+
+case ${MONTH} in
+0[1-6]) HY=1
+        ;;
+*)      HY=2
+        ;;
+esac
+
+if [ ! -f ${STATE_DIR}/sms-sent.${HY} ]; then
+  rm ${STATE_DIR}/sms-sent.* 2>/dev/null
+  touch ${STATE_DIR}/sms-sent.${HY}
+  echo "Sending Test SMS for Half-Year ${HY}..."
+  gammu sendsms TEXT 0765006123 -text "Heartbeat from ProxyPi..."
+fi