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https://github.com/cmur2/python-bme680.git
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Tweaked examples
This commit is contained in:
Phil Howard
parent
9b18ecf446
commit
99222746a6
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import bme680
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import time
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sensor = bme680.BME680()
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print("Calibration data:")
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for name in dir(sensor.calibration_data):
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if not name.startswith('_'):
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value = getattr(sensor.calibration_data, name)
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if isinstance(value, int):
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print("{}: {}".format(name, value))
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sensor.set_humidity_oversample(bme680.OS_2X)
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sensor.set_pressure_oversample(bme680.OS_4X)
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sensor.set_temperature_oversample(bme680.OS_8X)
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sensor.set_filter(bme680.FILTER_SIZE_3)
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sensor.set_gas_status(bme680.ENABLE_GAS_MEAS)
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print("\n\nInitial reading:")
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for name in dir(sensor.data):
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value = getattr(sensor.data, name)
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if not name.startswith('_'):
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print("{}: {}".format(name, value))
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sensor.set_gas_heater_temperature(320)
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sensor.set_gas_heater_duration(150)
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sensor.select_gas_heater_profile(0)
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# Up to 10 heater profiles can be configured, each
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# with their own temperature and duration.
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# sensor.set_gas_heater_profile(200, 150, nb_profile=1)
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# sensor.select_gas_heater_profile(1)
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print("\n\nPolling:")
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try:
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while True:
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if sensor.get_sensor_data():
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output = "{0:.2f} degC {1:.2f} hPa {2:.3f} %rH".format(sensor.data.temperature, sensor.data.pressure, sensor.data.humidity)
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if sensor.data.heat_stable:
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print("{0} {1} ohms".format(output, sensor.data.gas_resistance))
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else:
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print(output)
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time.sleep(1)
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except KeyboardInterrupt:
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pass
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120
examples/test.py
Normal file → Executable file
120
examples/test.py
Normal file → Executable file
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"""
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#!/usr/bin/env python
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Pressure Temperature Humidity
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128,0, 79,186,128, 122,185,0, 76,55, 128,0,0, 29,39,
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128,0, 79,186,144, 122,185,64, 76,59, 128,0,0, 220,120,
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2017-10-13 22:51:50 T: 26.67 degC, P: 1011.79 hPa, H: 49.64 %rH , G: 24487 ohms
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128,0, 79,186,160, 122,186,32, 76,61, 128,0,0, 70,56,
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2017-10-13 22:51:53 T: 26.68 degC, P: 1011.79 hPa, H: 49.65 %rH , G: 37891 ohms
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128,0, 79,186,224, 122,187,0, 76,61, 128,0,0, 205,55,
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2017-10-13 22:51:56 T: 26.68 degC, P: 1011.79 hPa, H: 49.65 %rH , G: 51080 ohms
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128,0, 79,186,224, 122,187,224, 76,62, 128,0,0, 127,247,
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2017-10-13 22:51:59 T: 26.68 degC, P: 1011.79 hPa, H: 49.66 %rH , G: 63052 ohms
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128,0, 79,187,32, 122,188,64, 76,58, 128,0,0, 78,119,
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2017-10-13 22:52:02 T: 26.69 degC, P: 1011.79 hPa, H: 49.63 %rH , G: 74195 ohms
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128,0, 79,187,112, 122,189,64, 76,48, 128,0,0, 46,183,
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2017-10-13 22:52:05 T: 26.69 degC, P: 1011.77 hPa, H: 49.57 %rH , G: 83681 ohms
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128,0, 79,187,128, 122,189,160, 76,45, 128,0,0, 25,55,
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2017-10-13 22:52:08 T: 26.69 degC, P: 1011.77 hPa, H: 49.55 %rH , G: 91612 ohms
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128,0, 79,187,144, 122,189,240, 76,48, 128,0,0, 223,182,
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2017-10-13 22:52:11 T: 26.69 degC, P: 1011.77 hPa, H: 49.57 %rH , G: 97109 ohms
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128,0, 79,187,160, 122,190,80, 76,49, 128,0,0, 198,118,
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2017-10-13 22:52:14 T: 26.70 degC, P: 1011.77 hPa, H: 49.58 %rH , G: 103197 ohms
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"""
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import bme680
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import bme680
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import time
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example_calibration = [
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# T2L T2H T3 TP P1L P1H P2L
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192, 108, 103, 3, 47, 80, 144, 236,
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# P2H P3 - P4L P4H P5L P5H P7
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214, 88, 255, 42, 30, 169, 255, 54,
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# P6 - - P8L P8H P9L P9H P10
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30, 0, 0, 199, 239, 69, 248, 30,
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# H2H H2L H1L H1H H3 H4 H5 H6
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1, 64, 206, 39, 0, 45, 20, 120,
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# H7 T1L T1H GH2L GH2H GH1 GH3
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156, 24, 102, 142, 171, 226, 18, 16,
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0
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]
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example_heat_range = 22
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example_heat_value = 44
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example_sw_error = 227
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sensor = bme680.BME680()
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sensor = bme680.BME680()
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sensor.calibration_data.set_from_array(example_calibration)
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print("Calibration data:")
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sensor.calibration_data.set_other(
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example_heat_range,
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example_heat_value,
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example_sw_error)
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for name in dir(sensor.calibration_data):
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for name in dir(sensor.calibration_data):
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if not name.startswith('_'):
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if not name.startswith('_'):
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value = getattr(sensor.calibration_data, name)
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value = getattr(sensor.calibration_data, name)
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if isinstance(value, int):
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if isinstance(value, int):
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print("{}: {}".format(name, value))
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print("{}: {}".format(name, value))
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sensor.ambient_temperature = 25
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"""
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sensor.set_humidity_oversample(bme680.OS_2X)
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result = []
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sensor.set_pressure_oversample(bme680.OS_4X)
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for x in range(63, 4033):
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sensor.set_temperature_oversample(bme680.OS_8X)
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result.append((x, sensor._calc_heater_duration(x)))
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sensor.set_filter(bme680.FILTER_SIZE_3)
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sensor.set_gas_status(bme680.ENABLE_GAS_MEAS)
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print(result)
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print("\n\nInitial reading:")
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for name in dir(sensor.data):
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value = getattr(sensor.data, name)
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if not name.startswith('_'):
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print("{}: {}".format(name, value))
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result = []
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sensor.set_gas_heater_temperature(320)
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for x in range(200, 401):
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sensor.set_gas_heater_duration(150)
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result.append(sensor._calc_heater_resistance(x))
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sensor.select_gas_heater_profile(0)
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print(result)
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# Up to 10 heater profiles can be configured, each
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"""
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# with their own temperature and duration.
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# sensor.set_gas_heater_profile(200, 150, nb_profile=1)
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# sensor.select_gas_heater_profile(1)
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"""
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print("\n\nPolling:")
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Pressure Temperature Humidity Gas
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try:
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128,0, 79,187,160, 122,190,80, 76,49, 128,0,0, 198,118,
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while True:
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2017-10-13 22:52:14 T: 26.70 degC, P: 1011.77 hPa, H: 49.58 %rH , G: 103197 ohms
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if sensor.get_sensor_data():
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"""
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regs = [128,0, 79,186,144, 122,185,64, 76,59, 128,0,0, 220,120]
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output = "{0:.2f} degC {1:.2f} hPa {2:.3f} %rH".format(sensor.data.temperature, sensor.data.pressure, sensor.data.humidity)
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vals = [26.67, 1011.79, 49.64, 24487]
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adc_pres = (regs[2] << 12) | (regs[3] << 4) | (regs[4] >> 4)
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if sensor.data.heat_stable:
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adc_temp = (regs[5] << 12) | (regs[6] << 4) | (regs[7] >> 4)
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print("{0} {1} ohms".format(output, sensor.data.gas_resistance))
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adc_hum = (regs[8] << 8) | regs[9]
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else:
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adc_gas_res = (regs[13] << 2) | (regs[14] >> 6)
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print(output)
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gas_range = regs[14] & bme680.constants.GAS_RANGE_MSK
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result = sensor._calc_temperature(adc_temp) / 100
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time.sleep(1)
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print("Temperature: Raw: {}: {} {}".format(adc_temp, vals[0], result))
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result = sensor._calc_pressure(adc_pres)
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except KeyboardInterrupt:
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print("Pressure: Raw: {}: {} {}".format(adc_pres, vals[1], result))
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pass
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result = sensor._calc_humidity(adc_hum) / 1000
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print("Humidity: Raw: {}: {}% {}%".format(adc_hum, vals[2], result))
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result = sensor._calc_gas_resistance(adc_gas_res, gas_range)
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print("Resistance: Raw: {}: {} {}".format(adc_gas_res, vals[3], result))
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31
examples/tph.py
Executable file
31
examples/tph.py
Executable file
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#!/usr/bin/env python
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import bme680
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import time
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print("""Display Temperature, Pressure and Humidity
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If you don't need gas readings, then you can read temperature,
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pressure and humidity quickly.
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Press Ctrl+C to exit
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""")
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sensor = bme680.BME680()
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sensor.set_humidity_oversample(bme680.OS_2X)
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sensor.set_pressure_oversample(bme680.OS_4X)
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sensor.set_temperature_oversample(bme680.OS_8X)
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sensor.set_filter(bme680.FILTER_SIZE_3)
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print("Polling:")
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try:
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while True:
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if sensor.get_sensor_data():
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output = "{0:.2f} degC {1:.2f} hPa {2:.3f} %rH".format(sensor.data.temperature, sensor.data.pressure, sensor.data.humidity)
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print(output)
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except KeyboardInterrupt:
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pass
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