cn/python-bme680
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Tweaked polling, tweaked pressure scale

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This commit is contained in:
Phil Howard 2017-10-17 12:45:28 +01:00
parent 73e93bc6d7
commit 6ed4ade9d7
2 changed files with 15 additions and 13 deletions
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2
bme680/__init__.py
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@ -256,7 +256,7 @@ class BME680(BME680Data):
self.data.temperature = temperature / 100.0 self.data.temperature = temperature / 100.0
self.ambient_temperature = temperature # Saved for heater calc self.ambient_temperature = temperature # Saved for heater calc
self.data.pressure = self._calc_pressure(adc_pres) / 1000.0 self.data.pressure = self._calc_pressure(adc_pres) / 100.0
self.data.humidity = self._calc_humidity(adc_hum) / 1000.0 self.data.humidity = self._calc_humidity(adc_hum) / 1000.0
self.data.gas_resistance = self._calc_gas_resistance(adc_gas_res, gas_range) self.data.gas_resistance = self._calc_gas_resistance(adc_gas_res, gas_range)
return True return True

24
livetest.py
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@ -3,6 +3,7 @@ import time
sensor = bme680.BME680() sensor = bme680.BME680()
print("Calibration data:")
for name in dir(sensor.calibration_data): for name in dir(sensor.calibration_data):
if not name.startswith('_'): if not name.startswith('_'):
value = getattr(sensor.calibration_data, name) value = getattr(sensor.calibration_data, name)
@ -15,10 +16,8 @@ sensor.set_pressure_oversample(bme680.OS_4X)
sensor.set_temperature_oversample(bme680.OS_8X) sensor.set_temperature_oversample(bme680.OS_8X)
sensor.set_filter(bme680.FILTER_SIZE_3) sensor.set_filter(bme680.FILTER_SIZE_3)
sensor.set_gas_status(bme680.ENABLE_GAS_MEAS) sensor.set_gas_status(bme680.ENABLE_GAS_MEAS)
sensor.set_power_mode(bme680.FORCED_MODE)
sensor.get_sensor_data()
print("\n\nInitial reading:")
for name in dir(sensor.data): for name in dir(sensor.data):
value = getattr(sensor.data, name) value = getattr(sensor.data, name)
if not name.startswith('_'): if not name.startswith('_'):
@ -33,19 +32,22 @@ sensor.select_gas_heater_profile(0)
# sensor.set_gas_heater_profile(200, 150, nb_profile=1) # sensor.set_gas_heater_profile(200, 150, nb_profile=1)
# sensor.select_gas_heater_profile(1) # sensor.select_gas_heater_profile(1)
sensor.set_power_mode(bme680.FORCED_MODE)
print("\n\nPolling:")
try: try:
while True: while True:
sensor.set_power_mode(bme680.FORCED_MODE) if sensor.get_sensor_data():
sensor.get_sensor_data()
output = "{0:.2f} degC {1:.2f} hPa {2:.3f} %rH".format(sensor.data.temperature, sensor.data.pressure, sensor.data.humidity)
if sensor.data.heat_stable: if sensor.data.heat_stable:
print("{}".format(sensor.data.gas_resistance)) print("{0} {1} ohms".format(output, sensor.data.gas_resistance))
else:
print(output)
sensor.set_power_mode(bme680.FORCED_MODE)
print("{} {} {}".format(sensor.data.temperature, sensor.data.pressure, sensor.data.humidity))
#for name in dir(sensor.data):
# value = getattr(sensor.data, name)
# if not name.startswith('_'):
# print("{}: {}".format(name, value))
time.sleep(1) time.sleep(1)
except KeyboardInterrupt: except KeyboardInterrupt: