Különbségek

A kiválasztott változat és az aktuális verzió közötti különbségek a következők.

--- it:camswitch [2017/03/22 23:05] – rblst
+++ it:camswitch [2017/03/22 23:06] (aktuális) – rblst
@@ Sor 1: / Sor 1: @@
+<code bash>
+#!/usr/bin/env bash
+LOG_FILE=/var/log/camswitch.log
+AWAY_THRESHOLD=3
+CHECK_INTERVAL=50
+CHECK_DURATION=7
+CAMERA_IP=192.168.100.7
+PROGRAM_NAME=$(basename $0)
+function log {
+  time=$(date "+%Y-%m-%d %H:%M:%S")
+  echo "[$time] $1" | tee -a $LOG_FILE
+}
+function check_presence {
+  chipolo_id=C18002ABD9578
+  check_result=$(timeout --preserve-status --signal=SIGINT --foreground ${CHECK_DURATION}s  hcitool lescan)
+  if [ $? -ne 0 ]; then
+    log "hcitool lescan failed, restarting hciuart.service"
+    systemctl restart hciuart.service
+    sleep $CHECK_INTERVAL
+    continue
+  fi
+  if [ $(echo "$check_result" | grep -c $chipolo_id) -gt 0 ]; then
+     presence_status=present
+  else
+     presence_status=away
+  fi
+  log "chipolo ($chipolo_id) $presence_status"
+  #log "away count: $away_count"
+  #log "last status: $last_presence_status"
+}
+function switch_camera_off {
+  log "switching camera off"
+  echo -en '\xAF\xFF\x02\x02\xDF' > /dev/ttyUSB0
+  sleep 3
+  echo -en '\xAF\xFF\x02\x02\xDF' > /dev/ttyUSB0
+}
+function switch_camera_on {
+  log "switching camera on"
+  echo -en '\xAF\xFF\x01\x01\xDF' > /dev/ttyUSB0
+  sleep 3
+  echo -en '\xAF\xFF\x01\x01\xDF' > /dev/ttyUSB0
+}
+function check_camera {
+  ping -c3 -q $CAMERA_IP
+  if [ $? -eq 0 ]; then
+    camera_status="pingable"
+  else
+    camera_status="not pingable"
+  fi
+  log "camera $camera_status"
+}
+away_count=0
+last_presence_status=present
+#########################
+log "$PROGRAM_NAME started"
+trap 'log "$PROGRAM_NAME stopped"; exit' SIGINT SIGTERM SIGHUP
+while true; do
+  check_presence
+  if [ "$presence_status" = "away" ] ; then
+    if [ $away_count -ne $AWAY_THRESHOLD ]; then
+      away_count=$((away_count+1))
+    else
+      check_camera
+      if [ "$camera_status" = "not pingable" ]; then
+        switch_camera_on
+      fi
+    fi
+  fi
+  if [ "$presence_status" = "present" ]; then
+      #if [ $away_count -ge $AWAY_THRESHOLD ]; then
+	check_camera
+	if [ "$camera_status" = "pingable" ]; then
+          switch_camera_off
+          sleep 3
+          check_camera
+        fi
+        if [ "$last_presence_status" = "away" ]; then
+          away_count=0
+        fi
+     #fi
+  fi
+  sleep $CHECK_INTERVAL
+  last_presence_status=$presence_status
+done
+</code>