doorbuzz now checks for ringing phone, so in future we can put animations

on the led ring if the pgone is active
it communicates with pidor over ssh to get space status and to
switch the flashing light

README.txt

@@ -21,6 +21,7 @@ cat > /home/pi/.config/lxsession/LXDE/autostart <<"EOF"
 @./doorbuzz/buzzctrl.sh
 @./doorbuzz/videoplayer.sh
 @sudo python ./doorbuzz/shutdownbutton.py
+@./doorbuzz/phone_notification_client.sh
 EOF
 
 
@@ -34,6 +35,9 @@ you can add videos and they will be taken into account automatically
 when booting, the button led uses morsecode to send the low byte of the 
 IP adress in decimal
 
+phone_notification_client.sh communicates with pidor's doorbuzz_wrapper.sh
+to command the flash light
+
 todo
 ====
 create a config file

phone_notification_client.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+url=http://10.2.113.137
+run_file="/var/run/phone_ringing_status"
+pidor=root@10.2.113.2
+old_status=0
+new_status=0
+while true # empty pipe
+do
+  sleep 1
+  while true
+  do 
+    read -t 1 status <&"${COPROC[0]}"
+    ret=$?
+    if [ $ret -eq 1 ]  # no more coprocess
+    then
+      echo "connecting to pidor"
+      coproc ssh -i ~/.ssh/doorbuzz $pidor
+      sleep 10
+      echo "connected"
+      echo "flashoff" >&"${COPROC[1]}"
+      ret=0
+    fi
+    if [ $ret -ne 0 ] 
+    then
+      break
+    fi
+    echo "$status"
+  done
+  echo "spacestatus" >&"${COPROC[1]}"
+  read status <&"${COPROC[0]}"
+  if ! [ "$status" = "open" ]; then   # do nothing if space is closed
+	continue
+  else
+#    if ! [ -e "$run_file" ]; then
+#        touch $run_file
+#    fi
+
+    curl -q "$url" 2>/dev/null | grep Ringing
+    new_status=$?
+#    old_status=$(cat ${run_file})
+
+    if [ "$new_status" -eq "$old_status" ]; then
+        continue
+    fi
+    echo "phone status change detected"
+    if [ "$new_status" -eq 0 ]; then
+      echo "flashon" >&"${COPROC[1]}"
+    else
+      echo "flashoff" >&"${COPROC[1]}"
+    fi
+#    echo $new_status > ${run_file}
+    old_status=$new_status
+  fi
+done