def run(self):
try:
self.running = True
self.logger.info("Activated in {:.1f} ms".format(
(timeit.default_timer() - self.thread_startup_timer) * 1000))
self.ready.set()
# Set up edge detection
if self.device == 'EDGE':
GPIO.setmode(GPIO.BCM)
GPIO.setup(int(self.location), GPIO.IN)
GPIO.add_event_detect(int(self.location),
self.switch_edge_gpio,
callback=self.edge_detected,
bouncetime=self.switch_bouncetime)
while self.running:
# Pause loop to modify conditional statements.
# Prevents execution of conditional while variables are
# being modified.
if self.pause_loop:
self.verify_pause_loop = True
while self.pause_loop:
time.sleep(0.1)
if self.device not in ['EDGE']:
now = time.time()
# Signal that a measurement needs to be obtained
if now > self.next_measurement and not self.get_new_measurement:
self.get_new_measurement = True
self.trigger_cond = True
while self.next_measurement < now:
self.next_measurement += self.period
# if signaled and a pre output is set up correctly, turn the
# output on or on for the set duration
if (self.get_new_measurement and
self.pre_output_setup and
not self.pre_output_activated):
# Set up lock
self.input_lock = locket.lock_file(self.lock_file, timeout=120)
try:
self.input_lock.acquire()
self.pre_output_locked = True
except locket.LockError:
self.logger.error("Could not acquire input lock. Breaking for future locking.")
try:
os.remove(self.lock_file)
except OSError:
self.logger.error("Can't delete lock file: Lock file doesn't exist.")
self.pre_output_timer = time.time() + self.pre_output_duration
self.pre_output_activated = True
# Only run the pre-output before measurement
# Turn on for a duration, measure after it turns off
if not self.pre_output_during_measure:
output_on = threading.Thread(
target=self.control.output_on,
args=(self.pre_output_id,
self.pre_output_duration,))
output_on.start()
# Run the pre-output during the measurement
# Just turn on, then off after the measurement
else:
output_on = threading.Thread(
target=self.control.output_on,
args=(self.pre_output_id,))
output_on.start()
# If using a pre output, wait for it to complete before
# querying the input for a measurement
if self.get_new_measurement:
if (self.pre_output_setup and
self.pre_output_activated and
now > self.pre_output_timer):
if self.pre_output_during_measure:
# Measure then turn off pre-output
self.update_measure()
output_off = threading.Thread(
target=self.control.output_off,
args=(self.pre_output_id,))
output_off.start()
else:
# Pre-output has turned off, now measure
self.update_measure()
self.pre_output_activated = False
self.get_new_measurement = False
# release pre-output lock
try:
if self.pre_output_locked:
self.input_lock.release()
self.pre_output_locked = False
except AttributeError:
self.logger.error("Can't release lock: "
"Lock file not present.")
elif not self.pre_output_setup:
# Pre-output not enabled, just measure
self.update_measure()
self.get_new_measurement = False
# Add measurement(s) to influxdb
if self.measurement_success:
add_measure_influxdb(self.unique_id, self.measurement)
self.measurement_success = False
self.trigger_cond = False
time.sleep(self.sample_rate)
self.running = False
if self.device == 'EDGE':
GPIO.setmode(GPIO.BCM)
GPIO.cleanup(int(self.location))
self.logger.info("Deactivated in {:.1f} ms".format(
(timeit.default_timer() - self.thread_shutdown_timer) * 1000))
except requests.ConnectionError:
self.logger.error("Could not connect to influxdb. Check that it "
"is running and accepting connections")
except Exception as except_msg:
self.logger.exception("Error: {err}".format(
err=except_msg))
def run(self):
try:
self.running = True
self.logger.info("Activated in {:.1f} ms".format(
(timeit.default_timer() - self.thread_startup_timer) * 1000))
self.ready.set()
# Set up edge detection
if self.device == 'EDGE':
GPIO.setmode(GPIO.BCM)
GPIO.setup(int(self.location), GPIO.IN)
GPIO.add_event_detect(int(self.location),
self.switch_edge_gpio,
callback=self.edge_detected,
bouncetime=self.switch_bouncetime)
while self.running:
# Pause loop to modify conditional statements.
# Prevents execution of conditional while variables are
# being modified.
if self.pause_loop:
self.verify_pause_loop = True
while self.pause_loop:
time.sleep(0.1)
if self.device not in ['EDGE']:
now = time.time()
# Signal that a measurement needs to be obtained
if now > self.next_measurement and not self.get_new_measurement:
self.get_new_measurement = True
self.trigger_cond = True
while self.next_measurement < now:
self.next_measurement += self.period
# if signaled and a pre output is set up correctly, turn the
# output on for the set duration
if (self.get_new_measurement and self.pre_output_setup
and not self.pre_output_activated):
self.pre_output_timer = now + self.pre_output_duration
self.pre_output_activated = True
output_on = threading.Thread(
target=self.control.relay_on,
args=(
self.pre_output_id,
self.pre_output_duration,
))
output_on.start()
# If using a pre output, wait for it to complete before
# querying the input for a measurement
if self.get_new_measurement:
if ((self.pre_output_setup
and self.pre_output_activated
and now < self.pre_output_timer)
or not self.pre_output_setup):
# Get measurement(s) from input
self.update_measure()
# Add measurement(s) to influxdb
if self.updateSuccess:
add_measure_influxdb(self.unique_id,
self.measurement)
self.pre_output_activated = False
self.get_new_measurement = False
self.trigger_cond = False
time.sleep(0.1)
self.running = False
if self.device == 'EDGE':
GPIO.setmode(GPIO.BCM)
GPIO.cleanup(int(self.location))
self.logger.info("Deactivated in {:.1f} ms".format(
(timeit.default_timer() - self.thread_shutdown_timer) * 1000))
except requests.ConnectionError:
self.logger.error("Could not connect to influxdb. Check that it "
"is running and accepting connections")
except Exception as except_msg:
self.logger.exception("Error: {err}".format(err=except_msg))
def calculate_math(self):
if self.math_type == 'average':
success, measure = self.get_measurements_from_str(self.inputs)
if success:
measure_dict = {
self.measure:
float('{0:.4f}'.format(sum(measure) / float(len(measure))))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id, self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'average_single':
device_id = self.inputs.split(',')[0]
measurement = self.inputs.split(',')[1]
try:
last_measurements = read_past_influxdb(device_id, measurement,
self.max_measure_age)
if last_measurements:
measure_list = []
for each_set in last_measurements:
if len(each_set) == 2:
measure_list.append(each_set[1])
average = sum(measure_list) / float(len(measure_list))
measure_dict = {
self.measure: float('{0:.4f}'.format(average))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id, self.measurements)
else:
self.error_not_within_max_age()
except Exception as msg:
self.logger.error(
"average_single Error: {err}".format(err=msg))
elif self.math_type == 'difference':
success, measure = self.get_measurements_from_str(self.inputs)
if success:
if self.difference_reverse_order:
difference = measure[1] - measure[0]
else:
difference = measure[0] - measure[1]
if self.difference_absolute:
difference = abs(difference)
measure_dict = {
self.measure: float('{0:.4f}'.format(difference))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id, self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'equation':
success, measure = self.get_measurements_from_str(
self.equation_input)
if success:
replaced_str = self.equation.replace('x', str(measure[0]))
equation_output = eval(replaced_str)
measure_dict = {
self.measure: float('{0:.4f}'.format(equation_output))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id, self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'median':
success, measure = self.get_measurements_from_str(self.inputs)
if success:
measure_dict = {
self.measure: float('{0:.4f}'.format(median(measure)))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id, self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'maximum':
success, measure = self.get_measurements_from_str(self.inputs)
if success:
measure_dict = {
self.measure: float('{0:.4f}'.format(max(measure)))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id, self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'minimum':
success, measure = self.get_measurements_from_str(self.inputs)
if success:
measure_dict = {
self.measure: float('{0:.4f}'.format(min(measure)))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id, self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'verification':
success, measure = self.get_measurements_from_str(self.inputs)
if (success and max(measure) - min(measure) < self.max_difference):
measure_dict = {
self.measure:
float('{0:.4f}'.format(sum(measure) / float(len(measure))))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id, self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'humidity':
measure_temps_good = False
pressure_pa = 101325
success_dbt, dry_bulb_t = self.get_measurements_from_id(
self.dry_bulb_t_id, self.dry_bulb_t_measure)
success_wbt, wet_bulb_t = self.get_measurements_from_id(
self.wet_bulb_t_id, self.wet_bulb_t_measure)
if success_dbt and success_wbt:
measure_temps_good = True
if self.pressure_pa_id and self.pressure_pa_measure:
success_pa, pressure = self.get_measurements_from_id(
self.pressure_pa_id, self.pressure_pa_measure)
if success_pa:
pressure_pa = int(pressure[1])
if measure_temps_good:
dbt_kelvin = celsius_to_kelvin(float(dry_bulb_t[1]))
wbt_kelvin = celsius_to_kelvin(float(wet_bulb_t[1]))
psypi = None
try:
psypi = SI.state("DBT", dbt_kelvin, "WBT", wbt_kelvin,
pressure_pa)
except TypeError as err:
self.logger.error("TypeError: {msg}".format(msg=err))
if psypi:
percent_relative_humidity = psypi[2] * 100
# Ensure percent humidity stays within 0 - 100 % range
if percent_relative_humidity > 100:
percent_relative_humidity = 100
elif percent_relative_humidity < 0:
percent_relative_humidity = 0
# Dry bulb temperature: psypi[0])
# Wet bulb temperature: psypi[5])
measure_dict = dict(
specific_enthalpy=float('{0:.5f}'.format(psypi[1])),
humidity=float(
'{0:.5f}'.format(percent_relative_humidity)),
specific_volume=float('{0:.5f}'.format(psypi[3])),
humidity_ratio=float('{0:.5f}'.format(psypi[4])))
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id, self.measurements)
else:
self.error_not_within_max_age()
def run(self):
try:
self.running = True
self.logger.info("Activated in {:.1f} ms".format(
(timeit.default_timer() - self.thread_startup_timer) * 1000))
self.ready.set()
while self.running:
# Pause loop to modify conditional statements.
# Prevents execution of conditional while variables are
# being modified.
if self.pause_loop:
self.verify_pause_loop = True
while self.pause_loop:
time.sleep(0.1)
if self.is_activated and time.time() > self.timer:
# If PID is active, retrieve input measurement and update PID output
if self.math_type == 'average':
success, measure = self.get_measurements_from_str(
self.inputs)
if success:
measure_dict = {
self.measure:
float('{0:.4f}'.format(
sum(measure) / float(len(measure))))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id,
self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'difference':
success, measure = self.get_measurements_from_str(
self.inputs)
if success:
if self.difference_reverse_order:
difference = measure[1] - measure[0]
else:
difference = measure[0] - measure[1]
if self.difference_absolute:
difference = abs(difference)
measure_dict = {
self.measure:
float('{0:.4f}'.format(difference))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id,
self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'equation':
success, measure = self.get_measurements_from_str(
self.equation_input)
if success:
replaced_str = self.equation.replace(
'x', str(measure[0]))
equation_output = eval(replaced_str)
measure_dict = {
self.measure:
float('{0:.4f}'.format(equation_output))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id,
self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'median':
success, measure = self.get_measurements_from_str(
self.inputs)
if success:
measure_dict = {
self.measure:
float('{0:.4f}'.format(median(measure)))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id,
self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'maximum':
success, measure = self.get_measurements_from_str(
self.inputs)
if success:
measure_dict = {
self.measure:
float('{0:.4f}'.format(max(measure)))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id,
self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'minimum':
success, measure = self.get_measurements_from_str(
self.inputs)
if success:
measure_dict = {
self.measure:
float('{0:.4f}'.format(min(measure)))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id,
self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'verification':
success, measure = self.get_measurements_from_str(
self.inputs)
if (success and max(measure) - min(measure) <
self.max_difference):
measure_dict = {
self.measure:
float('{0:.4f}'.format(
sum(measure) / float(len(measure))))
}
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id,
self.measurements)
elif measure:
self.logger.error(measure)
else:
self.error_not_within_max_age()
elif self.math_type == 'humidity':
measure_temps_good = False
measure_press_good = False
pressure_pa = 101325
success_dbt, dry_bulb_t = self.get_measurements_from_id(
self.dry_bulb_t_id, self.dry_bulb_t_measure)
success_wbt, wet_bulb_t = self.get_measurements_from_id(
self.wet_bulb_t_id, self.wet_bulb_t_measure)
if success_dbt and success_wbt:
measure_temps_good = True
if self.pressure_pa_id and self.pressure_pa_measure:
success_pa, pressure = self.get_measurements_from_id(
self.pressure_pa_id, self.pressure_pa_measure)
if success_pa:
pressure_pa = int(pressure[1])
measure_press_good = True
if (measure_temps_good and
((self.pressure_pa_id and self.pressure_pa_measure
and measure_press_good) or
(not self.pressure_pa_id
or not self.pressure_pa_measure))):
dbt_kelvin = celsius_to_kelvin(float(
dry_bulb_t[1]))
wbt_kelvin = celsius_to_kelvin(float(
wet_bulb_t[1]))
psypi = SI.state("DBT", dbt_kelvin, "WBT",
wbt_kelvin, pressure_pa)
percent_relative_humidity = psypi[2] * 100
# Ensure percent humidity stays within 0 - 100 % range
if percent_relative_humidity > 100:
percent_relative_humidity = 100
elif percent_relative_humidity < 0:
percent_relative_humidity = 0
# Dry bulb temperature: psypi[0])
# Wet bulb temperature: psypi[5])
measure_dict = dict(
specific_enthalpy=float('{0:.5f}'.format(
psypi[1])),
humidity=float('{0:.5f}'.format(
percent_relative_humidity)),
specific_volume=float('{0:.5f}'.format(
psypi[3])),
humidity_ratio=float('{0:.5f}'.format(
psypi[4])))
self.measurements = Measurement(measure_dict)
add_measure_influxdb(self.unique_id,
self.measurements)
else:
self.error_not_within_max_age()
# Ensure the next timer ends in the future
while time.time() > self.timer:
self.timer += self.period
time.sleep(0.1)
self.running = False
self.logger.info("Deactivated in {:.1f} ms".format(
(timeit.default_timer() - self.thread_shutdown_timer) * 1000))
except Exception as except_msg:
self.logger.exception("Run Error: {err}".format(err=except_msg))