mirror of
https://github.com/cmur2/python-bme680.git
synced 2024-11-13 02:56:20 +01:00
75 lines
1.9 KiB
Python
Executable File
75 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python
|
|
import bme680
|
|
import time
|
|
|
|
print("""Display Temperature, Pressure, Humidity and Gas
|
|
|
|
Press Ctrl+C to exit
|
|
|
|
""")
|
|
|
|
try:
|
|
sensor = bme680.BME680(bme680.I2C_ADDR_PRIMARY)
|
|
except IOError:
|
|
sensor = bme680.BME680(bme680.I2C_ADDR_SECONDARY)
|
|
|
|
# These calibration data can safely be commented
|
|
# out, if desired.
|
|
|
|
print('Calibration data:')
|
|
for name in dir(sensor.calibration_data):
|
|
|
|
if not name.startswith('_'):
|
|
value = getattr(sensor.calibration_data, name)
|
|
|
|
if isinstance(value, int):
|
|
print('{}: {}'.format(name, value))
|
|
|
|
# These oversampling settings can be tweaked to
|
|
# change the balance between accuracy and noise in
|
|
# the data.
|
|
|
|
sensor.set_humidity_oversample(bme680.OS_2X)
|
|
sensor.set_pressure_oversample(bme680.OS_4X)
|
|
sensor.set_temperature_oversample(bme680.OS_8X)
|
|
sensor.set_filter(bme680.FILTER_SIZE_3)
|
|
sensor.set_gas_status(bme680.ENABLE_GAS_MEAS)
|
|
|
|
print('\n\nInitial reading:')
|
|
for name in dir(sensor.data):
|
|
value = getattr(sensor.data, name)
|
|
|
|
if not name.startswith('_'):
|
|
print('{}: {}'.format(name, value))
|
|
|
|
sensor.set_gas_heater_temperature(320)
|
|
sensor.set_gas_heater_duration(150)
|
|
sensor.select_gas_heater_profile(0)
|
|
|
|
# Up to 10 heater profiles can be configured, each
|
|
# with their own temperature and duration.
|
|
# sensor.set_gas_heater_profile(200, 150, nb_profile=1)
|
|
# sensor.select_gas_heater_profile(1)
|
|
|
|
print('\n\nPolling:')
|
|
try:
|
|
while True:
|
|
if sensor.get_sensor_data():
|
|
output = '{0:.2f} C,{1:.2f} hPa,{2:.2f} %RH'.format(
|
|
sensor.data.temperature,
|
|
sensor.data.pressure,
|
|
sensor.data.humidity)
|
|
|
|
if sensor.data.heat_stable:
|
|
print('{0},{1} Ohms'.format(
|
|
output,
|
|
sensor.data.gas_resistance))
|
|
|
|
else:
|
|
print(output)
|
|
|
|
time.sleep(1)
|
|
|
|
except KeyboardInterrupt:
|
|
pass
|