def __init__(self, config, queue_size=10, debug=False, has_humidifier=False,
has_dehumidifier=False, recently_minutes=5.):
self.queue = CappedQueue(cap=queue_size)
self.config = config
self.humidifier_on = False
self.dehumidifier_on = False
self.has_humidifier = has_humidifier
self.has_dehumidifier = has_dehumidifier
self.recently_minutes = recently_minutes
self.humidifier_enabled_at = None
self.dehumidifier_enabled_at = None
self.start_humidifier_value = None
self.start_dehumidifier_value = None
self.last_humidified = now() - timedelta(minutes=recently_minutes)
self.last_dehumidified = now() - timedelta(minutes=recently_minutes)
self.last_minimum = None
self.last_maximum = None
self.debug = debug
def update(self):
h = self.average()
if self.last_maximum is None: self.last_maximum = h
if self.last_minimum is None: self.last_minimum = h
self.last_maximum = max(h, self.last_maximum)
self.last_minimum = min(h, self.last_minimum)
log.debug('h=%.02f max=%.02f', h, self.config.max_humidity)
if self.humidifier_on:
if h < self.config.max_humidity:
return
self.last_humidified = now()
self.humidifier_on = False
elif self.dehumidifier_on:
if h > self.config.min_humidity:
return
self.last_dehumidified = now()
self.dehumidifier_on = False
elif h <= self.config.min_humidity:
if self.dehumidified_recently(): return
if not self.has_humidifier: return
# if it's dry and we weren't just running the dehumidifier, turn
# our humidifier on
self.humidifier_on = True
self.humidifier_enabled_at = now()
self.last_maximum = h
self.start_humidifier_value = h
elif h >= self.config.max_humidity:
if self.humidified_recently(): return
if not self.has_dehumidifier: return
# if it's humid and we weren't just running the humidifier, turn
# our dehumidifier on
self.dehumidifier_on = True
self.dehumidifier_enabled_at = now()
self.last_minimum = h
self.start_dehumidifier_value = h
else:
pass
def __init__(self, config, queue_size=10, debug=False, cool_for_s=20.,
heat_for_s=20., has_cooler=False, has_heater=False, recently_minutes=5.):
self.queue = CappedQueue(cap=queue_size)
self.config = config
self.debug = debug
self.learn_cool_file = "/home/pi/controller_data/lcool.csv"
self.learn_heat_file = "/home/pi/controller_data/lheat.csv"
self.cool_for_s = self.load_cool(cool_for_s)
self.heat_for_s = self.load_heat(heat_for_s)
self.has_heater = has_heater
self.has_cooler = has_cooler
self.cooling_on = False
self.heating_on = False
self.cooler_enabled_at = None
self.heater_enabled_at = None
self.last_cooling = now() - timedelta(minutes=recently_minutes)
self.last_heating = now() - timedelta(minutes=recently_minutes)
self.last_minimum = None
self.last_maximum = None
self.waiting_for_temp_increase = False
self.waiting_for_temp_decrease = False
self.start_cool_temp = None
self.start_heat_temp = None
self.recently_minutes = recently_minutes
def save(filename, starting_value, target, result, seconds):
try:
with open(filename, 'a') as csvfile:
writer = csv.writer(csvfile, delimiter=",")
writer.writerow([
now().strftime('%Y-%m-%dT%H:%M:%S'),
'{:.1f}'.format(starting_value),
'{:.1f}'.format(target),
'{:.2f}'.format(result),
'{:.1f}'.format(seconds)])
except Exception as e:
log.exception(
"exception occurred. filename=%s, starting_value=%s, target=%s, " +
"result=%s, seconds=%s",
filename, starting_value, target, result, seconds)
raise
def dehumidified_recently(self):
"""
Have we dehumidified recently?
"""
return (now() - self.last_dehumidified) <= timedelta(minutes=
self.recently_minutes)
def heated_recently(self, minutes=None):
"""
Have we heated recently?
"""
minutes = self.recently_minutes if minutes is None else minutes
return (now() - self.last_heating) <= timedelta(minutes=minutes)
def heating_for(self):
"""
How long we've been heating for.
"""
if self.heater_enabled_at is None: return None
return now() - self.heater_enabled_at
def cooling_for(self):
"""
How long we've been cooling for.
"""
if self.cooler_enabled_at is None: return None
return now() - self.cooler_enabled_at
def update(self):
"""
Update our flags. This enables / disables heating and cooling given
our queue of temperatures.
"""
t = self.temperature_average_f()
if self.last_maximum is None: self.last_maximum = t
if self.last_minimum is None: self.last_minimum = t
self.last_maximum = max(t, self.last_maximum)
self.last_minimum = min(t, self.last_minimum)
if self.cooling_on:
secs_reached = self.cooling_for() >= timedelta(seconds=self.cool_for_s)
overshooting = t < self.config.min_temp_f # overshooting the temp
if secs_reached or overshooting:
self.last_cooling = now()
self.cooling_on = False
self.waiting_for_temp_increase = True
# we're overshooting the temp, so set the time to cool for
# equal to the current elapsed time
if overshooting:
self.cool_for_s = self.cooling_for()
log.info("overshooting, cool_for_s now %s", self.cool_for_s)
elif self.heating_on:
secs_reached = self.heating_for() >= timedelta(seconds=self.heat_for_s)
overshooting = t > self.config.max_temp_f # overshooting the temp
if secs_reached or overshooting:
self.last_heating = now()
self.heating_on = False
self.waiting_for_temp_decrease = True
# we're overshooting the temp, so set the time to cool for
# equal to the current elapsed time
if overshooting:
self.heat_for_s = self.heating_for()
log.info("overshooting, heat_for_s now %s", self.heat_for_s)
else:
# --------------------------------
# not currently heating or cooling
# --------------------------------
if self.waiting_for_temp_increase:
# we just ran the cooler and are waiting for the temp to increase
if self.cooled_recently(1.): return
if t < self.last_minimum + .2:
return
self.waiting_for_temp_increase = False
log.debug('temp is now increasing. min=%.02f', self.last_minimum)
cool_for, diff = learn(
save=self.save_cool,
current_time_s=self.cool_for_s,
starting_value=self.start_cool_temp,
starting_threshold=self.config.max_temp_f,
pad=self.config.temp_pad,
target=self.config.min_temp_f,
actual=self.last_minimum,
debug=self.debug,
multiplier=3.0,
increasing=False)
log.debug(
'last_s=%.01f run_s=%.01f target=%.02f actual=%.02f',
self.cool_for_s,
cool_for,
self.config.min_temp_f,
self.last_minimum)
# update the number of seconds to cool for
min_cool_time_s = 10.
max_cool_time_s = 60. * 5.
self.cool_for_s = clip(
cool_for - diff, min_cool_time_s, max_cool_time_s)
elif self.waiting_for_temp_decrease:
# we just ran the heater and are waiting for the temp to decrease
if self.heated_recently(1.): return
if t > self.last_maximum - .2:
return
self.waiting_for_temp_decrease = False
log.debug('temp is now decreasing. max=%.02f', self.last_maximum)
heat_for, diff = learn(
save=self.save_heat,
current_time_s=self.heat_for_s,
starting_value=self.start_heat_temp,
starting_threshold=self.config.min_temp_f,
pad=self.config.temp_pad,
target=self.config.max_temp_f,
actual=self.last_maximum,
debug=self.debug,
multiplier=3.0,
increasing=True)
log.debug(
'last_s=%.01f run_s=%.01f target=%.02f actual=%.02f',
self.heat_for_s,
heat_for,
self.config.max_temp_f,
self.last_maximum)
# update the number of seconds to heat for
min_heat_time_s = 3.
max_heat_time_s = 60. * 5.
self.heat_for_s = clip(
heat_for + diff, min_heat_time_s, max_heat_time_s)
elif t >= self.config.max_temp_f:
if self.heated_recently(): return
if self.cooled_recently(2.5): return
if not self.has_cooler: return
# if it's warm and we weren't just running a heater, turn
# our cooling on
self.cooling_on = True
self.cooler_enabled_at = now()
self.last_minimum = t
self.start_cool_temp = t
min_cool_time_s = 10.
max_cool_time_s = 60. * 5.
self.cool_for_s = clip(
time_boost(
self.cool_for_s, t, self.config.max_temp_f, self.config.temp_pad, increasing=False),
min_cool_time_s,
max_cool_time_s)
log.debug('cooling for %.02fs', self.cool_for_s)
elif t <= self.config.min_temp_f:
if self.heated_recently(2.5): return
if self.cooled_recently(): return
if not self.has_heater: return
# if it's cool and we weren't just running a cooler, turn
# our heating on
self.heating_on = True
self.heater_enabled_at = now()
self.last_maximum = t
self.start_heat_temp = t
min_heat_time_s = 3.
max_heat_time_s = 60. * 5.
self.heat_for_s = clip(
time_boost(
self.heat_for_s, t, self.config.min_temp_f, self.config.temp_pad, increasing=True),
min_heat_time_s,
max_heat_time_s)
if not self.debug:
log.debug('heating for %.02fs', self.heat_for_s)
else:
pass
