- added pause, continue, restart of receipe

- added signal handler for controlling the controller

git-svn-id: http://moon:8086/svn/projects/HendiControl@148 fda53097-d464-4ada-af97-ba876c37ca34

Control/brewpi/brewpi.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 
-import time
+import signal
 import json
 from controller import Controller
 from mass import Mass
@@ -38,6 +38,24 @@ def results_plot(self):
 
 if __name__ == '__main__':
 
+	def handler(signum, frame):
+		print('Signal handler called with signal', signum)
+
+		if signum == signal.SIGABRT:
+			ablauf.stop()
+		if signum == signal.SIGINT:
+			ablauf.pause()
+		if signum == signal.SIGCONT:
+			ablauf.cont()
+		if signum == signal.SIGHUP:
+			ablauf.restart()
+
+	# Set the signal handler and a 5-second alarm
+	signal.signal(signal.SIGABRT, handler)
+	signal.signal(signal.SIGINT, handler)
+	signal.signal(signal.SIGCONT, handler)
+	signal.signal(signal.SIGHUP, handler)
+
 	fp = open("brewpi.json")
 	configJson = json.load(fp)