def start(self, duration):
if duration == HeatService.DEFAULT_TIME:
self.bt = BrewTimer(duration, self.alive)
else:
self.bt = BrewTimer(duration, self.switch)
self.switch(PowerStrip.ON)
self.bt.start()
def run(self):
self.state_params = self.simplestate.start()
self.pid.set_setpoint(self.state_params["temp"])
try:
old_calculation_time = None
while True:
msg_type, msg = self.receiver.receive()
print("msg_type", msg_type)
print("msg", msg)
if msg_type == TYPE_TEMP:
temp_current, sensor_id = self.convert_temp(msg)
# computes timedelta for pid
calculation_time = int(round(time.time() * 1000))
if old_calculation_time:
self.pid.set_sample_time(calculation_time -
old_calculation_time)
old_calculation_time = calculation_time
# calculates PID output value
output = self.pid.compute(temp_current)
# switches powerstrip based on output value
self.heatservice.temp_actor(output)
logging.warning({
"temp_actual": temp_current,
"change": output,
"state": self.state_params,
"sensor": sensor_id
})
timer_passed_checked = 0.0
if self.brew_timer is not None:
timer_passed_checked = self.brew_timer.passed()
log.log(temp_current, self.state_params["temp"],
output, sensor_id, self.simplestate.state,
self.brew_id, int(self.brew_timer.passed()))
else:
log.log(temp_current, self.state_params["temp"],
output, sensor_id, self.simplestate.state,
self.brew_id)
print("temp_current", temp_current, "outout", output,
"state_temp", self.state_params["temp"],
"timer_passed", timer_passed_checked)
if self.state_params["auto"] == True and self.state_params[
"temp"] - TEMP_TOLERANCE <= temp_current:
if self.brew_timer is None:
print("Start BrewTimer for ",
self.simplestate.state, "and",
self.state_params["time"], "seconds")
self.brew_timer = BrewTimer(
self.state_params["time"], self.next_state)
self.brew_timer.start()
elif msg_type == TYPE_CONTROL:
if self.brew_timer:
self.brew_timer.cancel()
self.next_state()
finally:
self.receiver.cleanup()
