X-Git-Url: https://git.ucc.asn.au/?p=zanchey%2Fdispense2.git;a=blobdiff_plain;f=sql-edition%2Fservers%2FVendingMachine.py;h=5fb5451e27fb186ddc05b7aed0bb8bc6e718e50d;hp=d7e7a8f8e1b430e3d984460da5596b10edc654bf;hb=85544838adb7f38847d0c0368784abb547fc9066;hpb=2ecb73b29de6405ca4df56ec219c685b7de963df

diff --git a/sql-edition/servers/VendingMachine.py b/sql-edition/servers/VendingMachine.py
index d7e7a8f..5fb5451 100644
--- a/sql-edition/servers/VendingMachine.py
+++ b/sql-edition/servers/VendingMachine.py
@@ -3,6 +3,7 @@ import re
 from CRC import do_crc
 from select import select
 import socket, logging
+from time import time, sleep
 
 asynchronous_responses = [	'400', '401', # door open/closed
 				'610',        # switches changed
@@ -12,6 +13,7 @@ asynchronous_responses = [	'400', '401', # door open/closed
 DOOR = 1
 SWITCH = 2
 KEY = 3
+TICK = 4
 
 class VendingException(Exception): pass
 
@@ -88,11 +90,12 @@ class VendingMachine:
 
 	def handle_event(self, code, text):
 		if code == '400':
-			self.events.append((DOOR, 0))
-		elif code == '401':
 			self.events.append((DOOR, 1))
+		elif code == '401':
+			self.events.append((DOOR, 0))
 		elif code == '610':
-			self.events.append((SWITCH, None))
+			# NOP this. Nothing handles this yet.
+			#self.events.append((SWITCH, None))
 			self.interpret_switches(text)
 		elif code[0] == '2':
 			self.events.append((KEY, int(code[1:3])))
@@ -144,6 +147,7 @@ class VendingMachine:
 	def display(self, string):
 		if len(string) > 10:
 			string = string[0:10]
+		string = re.sub('(.)\.', lambda match: '.'+match.group(1), string)
 		self.wfh.write('D'+string+'\n')
 		(code, string) = self.get_response()
 		return (code == '300', code, string)
@@ -151,6 +155,7 @@ class VendingMachine:
 	def next_event(self, timeout = None):
 		# we don't want to buffer in the serial port, so we get all the events
 		# we can ASAP.
+		if timeout < 0: timeout = 0
 		if len(self.events) > 0: timeout = 0
 		while True:
 			(r, _, _) = select([self.rfh], [], [], timeout)
@@ -159,7 +164,7 @@ class VendingMachine:
 				timeout = 0
 			else:
 				break
-		if len(self.events) == 0: return None
+		if len(self.events) == 0: return (TICK, time())
 		ret = self.events[0]
 		del self.events[0]
 		return ret