comparison py/tempserver.py @ 439:31ac84425a2d

python raspberry pi rewrite
author Matt Johnston <matt@ucc.asn.au>
date Mon, 19 Nov 2012 22:46:34 +0800
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children 0895f5ad7731
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438:2607e4f322cf 439:31ac84425a2d
1 #!/usr/bin/env python2.7
2
3 import sys
4 import os
5 import gevent
6
7 import utils
8
9 class Tempserver(object):
10 def __init__(self):
11 self.readings = []
12 self.current = (None, None, None)
13
14 self.start_time = utils.monotonic_time()
15
16 self.fridge = fridge.Fridge()
17 self.fridge.run(self)
18
19
20 def take_readings(self):
21 ret = self.readings
22 self.readings = []
23 return ret
24
25 def pushfront(self, readings):
26 """ used if a caller of take_readings() fails """
27 self.readings = pushback + self.readings
28
29 def add_reading(self, reading):
30 """ adds a reading at the current time """
31 self.readings.append( (reading, utils.monotonic_time()))
32
33 def current_temps(self):
34 """ returns (wort_temp, fridge_temp, ambient_temp) tuple """
35 return current
36
37 def set_current(self, wort, fridge, ambient):
38 current = (wort, fridge, ambient)
39
40 def uptime(self):
41 return utils.monotonic_time() - self.start_time()
42
43 def now(self):
44 return utils.monotonic_time()
45
46 def spawn_timer(seconds, fn, *args, **kwargs):
47 def loop():
48 while True:
49 fn(*args, **kwargs)
50 gevent.sleep(seconds)
51 return gevent.spawn(loop)
52
53 def setup():
54 pass
55
56 def main():
57 setup()
58
59 def p(x):
60 print "hello %s" % x
61
62 spawn_timer(2, p, 'one')
63
64 gevent.sleep(20)
65
66
67 if __name__ == '__main__':
68 main()