def startup_xtest(ss, cmd):
if cmd is None:
trace("X test Arduino")
ss.write(sserial.notSupported(ord('X')))
return
if sserial.is_not_supported(cmd) == True:
trace("Arduino reply: %s"%(cmd.str()))
return
trace("Arduino ignore %s"%(cmd.str()))
def startup_xtest(ss, cmd):
if cmd is None:
trace("X test Arduino")
ss.write(sserial.notSupported(ord('X')))
return
if sserial.is_not_supported(cmd) == True:
trace("Arduino reply: %s" % (cmd.str()))
return
trace("Arduino ignore %s" % (cmd.str()))
def serve(ss, cmd, tt, te, tr, ht, he, hr, s, ot, oh):
# process the events from Arduino.
if cmd is not None:
if sserial.is_not_supported(cmd) == True:
trace("Ignore command %s"%(cmd.str()))
return (s, ot, oh)
elif sserial.is_unknown(cmd) == True:
trace("Ignore command %s"%(cmd.str()))
return (s, ot, oh)
elif sserial.is_heater_closed(cmd) == True:
trace("Arduino close the heater for warm enough.")
return ('detect', ot, oh)
if sserial.is_heater_opened(cmd) == True:
trace("Arduino open heater ok, %d*C %d%%, target is %d*C"%(ot, oh, tt))
return (s, ot, oh)
if sserial.is_fan_closed(cmd) == True:
trace("Arduino close the fan for humidity ok.")
return ('detect', ot, oh)
if sserial.is_fan_opened(cmd) == True:
trace("Arduino open fan ok, %d*C %d%%, target is %d%%"%(ot, oh, ht))
return (s, ot, oh)
# use state machine to drive new event.
if s == 'init':
startup_ping(ss, cmd)
return ('xtest', 0, 0)
if s == 'xtest':
startup_xtest(ss, cmd)
return ('detect', 0, 0)
if s == 'detect':
(t, h) = detect(ss, cmd, ot, oh)
if t == 0 and h == 0:
return ('detect', ot, oh)
if t < tt - tr:
return ('heat', t, h)
if h >= ht + hr:
return ('fan', t, h)
return ('detect', t, h)
if s == 'heat':
(t, h) = detect(ss, cmd, ot, oh)
if t == 0 and h == 0:
return ('heat', ot, oh)
if t < tt:
#trace("Notify Arduino to open heater.")
ss.write(sserial.openHeater(tt, te))
return ('heat', t, h)
trace("Warm enough, no need to heat, %d*C %d%%"%(t, h))
return ('detect', t, h)
if s == 'fan':
(t, h) = detect(ss, cmd, ot, oh)
if t == 0 and h == 0:
return ('fan', ot, oh)
if h >= ht:
#trace("Notify Arduino to open fan.")
ss.write(sserial.openFan(ht, he))
return ('fan', t, h)
trace("Humidity ok, no need to fan, %d*C %d%%"%(t, h))
return ('detect', t, h)
return ('init', 0, 0)
def serve(ss, cmd, tt, te, tr, ht, he, hr, s, ot, oh):
# process the events from Arduino.
if cmd is not None:
if sserial.is_not_supported(cmd) == True:
trace("Ignore command %s" % (cmd.str()))
return (s, ot, oh)
elif sserial.is_unknown(cmd) == True:
trace("Ignore command %s" % (cmd.str()))
return (s, ot, oh)
elif sserial.is_heater_closed(cmd) == True:
trace("Arduino close the heater for warm enough.")
return ('detect', ot, oh)
if sserial.is_heater_opened(cmd) == True:
trace("Arduino open heater ok, %d*C %d%%, target is %d*C" %
(ot, oh, tt))
return (s, ot, oh)
if sserial.is_fan_closed(cmd) == True:
trace("Arduino close the fan for humidity ok.")
return ('detect', ot, oh)
if sserial.is_fan_opened(cmd) == True:
trace("Arduino open fan ok, %d*C %d%%, target is %d%%" %
(ot, oh, ht))
return (s, ot, oh)
# use state machine to drive new event.
if s == 'init':
startup_ping(ss, cmd)
return ('xtest', 0, 0)
if s == 'xtest':
startup_xtest(ss, cmd)
return ('detect', 0, 0)
if s == 'detect':
(t, h) = detect(ss, cmd, ot, oh)
if t == 0 and h == 0:
return ('detect', ot, oh)
if t < tt - tr:
return ('heat', t, h)
if h >= ht + hr:
return ('fan', t, h)
return ('detect', t, h)
if s == 'heat':
(t, h) = detect(ss, cmd, ot, oh)
if t == 0 and h == 0:
return ('heat', ot, oh)
if t < tt:
#trace("Notify Arduino to open heater.")
ss.write(sserial.openHeater(tt, te))
return ('heat', t, h)
trace("Warm enough, no need to heat, %d*C %d%%" % (t, h))
return ('detect', t, h)
if s == 'fan':
(t, h) = detect(ss, cmd, ot, oh)
if t == 0 and h == 0:
return ('fan', ot, oh)
if h >= ht:
#trace("Notify Arduino to open fan.")
ss.write(sserial.openFan(ht, he))
return ('fan', t, h)
trace("Humidity ok, no need to fan, %d*C %d%%" % (t, h))
return ('detect', t, h)
return ('init', 0, 0)
