def sample(self, sht_datum=None):
# temperature...
pt1000_datum = self.sample_pt1000()
temp = self.sample_temp(sht_datum)
# gases...
samples = []
no2_sample = None
for sensor_index in range(len(self.__sensors)):
sensor = self.__sensors[sensor_index]
if sensor is None:
continue
# cross-sensitivity sample...
if sensor.has_no2_cross_sensitivity():
no2_sample = AFE.__no2_sample(samples)
# sample...
sample = sensor.sample(self, temp, sensor_index, no2_sample)
samples.append((sensor.gas_name, sample))
return AFEDatum(pt1000_datum, *samples)
def sample(self, sht_datum=None):
# temperature...
temp = self.sample_temp(sht_datum)
# gases...
samples = []
# NO2...
sample = self.__sensors[0].sample(self, temp, 0, None)
samples.append(('NO2', sample))
# H2S...
we_v = self.sample_raw_wrk(1, self.__H2S_GAIN_INDEX)
sample = D4Datum(we_v)
samples.append(('H2S', sample))
# CO...
we_v = self.sample_raw_wrk(2, self.__CO_GAIN_INDEX)
sample = D4Datum(we_v)
samples.append(('CO', sample))
return AFEDatum(None, *samples)
def null_datum(cls):
samples = [
('NO2', A4Datum(None, None)),
('H2S', D4Datum(None)),
('CO', D4Datum(None)),
]
return AFEDatum(None, *samples)
def sample_station(self, sn, sht_datum=None):
index = sn - 1
pt1000_datum = self.sample_temp()
temp = pt1000_datum.temp if sht_datum is None else sht_datum.temp # use SHT temp if available
sensor = self.__sensors[index]
if sensor is None:
return AFEDatum(pt1000_datum)
# cross-sensitivity sample...
if sensor.has_no2_cross_sensitivity():
no2_index, no2_sensor = self.__no2_sensor()
no2_sample = no2_sensor.sample(self, temp, no2_index)
else:
no2_sample = None
# sample...
sample = sensor.sample(self, temp, index, no2_sample)
return AFEDatum(pt1000_datum, (sensor.gas_name, sample))
def null_datum(self):
pt1000_datum = self.sample_temp()
samples = []
for sensor_index in range(len(self.__sensors)):
sensor = self.__sensors[sensor_index]
if sensor is None:
continue
samples.append((sensor.gas_name, sensor.null_datum()))
return AFEDatum(pt1000_datum, *samples)
def sample_station(self, sn, sht_datum=None):
# temperature...
pt1000_datum = self.sample_pt1000()
temp = self.sample_temp(sht_datum)
# gas...
index = sn - 1
sensor = self.__sensors[index]
if sensor is None:
return AFEDatum(pt1000_datum)
# cross-sensitivity sample...
if sensor.has_no2_cross_sensitivity():
no2_index, no2_sensor = self.__no2_sensor()
no2_sample = no2_sensor.sample(self, temp, no2_index)
else:
no2_sample = None
# sample...
sample = sensor.sample(self, temp, index, no2_sample)
return AFEDatum(pt1000_datum, (sensor.gas_name, sample))
def sample(self, sht_datum=None):
pt1000_datum = self.sample_temp()
temp = pt1000_datum.temp if sht_datum is None else sht_datum.temp # use SHT temp if available
samples = []
no2_sample = None
for sensor_index in range(len(self.__sensors)):
sensor = self.__sensors[sensor_index]
if sensor is None:
continue
# cross-sensitivity sample...
if sensor.has_no2_cross_sensitivity():
no2_sample = AFE.__no2_sample(samples)
# sample...
sample = sensor.sample(self, temp, sensor_index, no2_sample)
samples.append((sensor.gas_name, sample))
return AFEDatum(pt1000_datum, *samples)
a4_2 = A4Datum(1.234567, 6.543210)
print(a4_2)
a4_3 = A4Datum(2.345678, 5.432101)
print(a4_3)
pid = PIDDatum(0.123456, 23)
print(pid)
print("-")
sn1 = sensors[0].gas_name
sn2 = sensors[1].gas_name
sn3 = sensors[2].gas_name
sn4 = sensors[3].gas_name
afe = AFEDatum(pt1, (sn1, a4_1), (sn2, a4_2), (sn3, a4_3), (sn4, pid))
print(afe)
print("-")
# --------------------------------------------------------------------------------------------------------------------
now = LocalizedDatetime.now()
pmx = PMxDatum(now, 11, 22, 33)
print(pmx)
print("-")
# --------------------------------------------------------------------------------------------------------------------
now = LocalizedDatetime.now()
print(now)