def run(self):
self.chamber_target_temp = self.get_target_temp()
pid = ChamberSetpointPID(self.p, self.i, self.d)
while self.is_running():
temp = self.get_temp()
target_temp = self.get_target_temp()
chamber_temp = self.get_chamber_temp()
self.chamber_target_temp = target_temp + round(pid.update(temp, self.get_target_temp()), 1)
print("Chamber Target Temp: %s", self.chamber_target_temp)
cbpi.save_to_file(self.fermenter_id, self.chamber_target_temp, prefix="chamber_target")
if chamber_temp is None:
self.heater_off()
elif temp < target_temp and chamber_temp < self.chamber_target_temp:
self.heater_on()
elif temp >= target_temp or chamber_temp >= self.chamber_target_temp:
self.heater_off()
else:
self.heater_off()
if chamber_temp is None:
self.cooler_off()
elif temp > target_temp and chamber_temp > self.chamber_target_temp:
self.cooler_on()
elif temp <= target_temp or chamber_temp <= self.chamber_target_temp:
self.cooler_off()
else:
self.cooler_off()
self.sleep(5)
def read_target_temps(api):
"""
background process that reads all passive sensors in interval of 1 second
:return: None
"""
result = {}
for key, value in cbpi.cache.get("fermenter").iteritems():
cbpi.save_to_file(key, value.target_temp, prefix="fermenter")