Tidying up and adding examples

examples/temperature-offset.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+
+import bme680
+
+print("""temperature-offset.py - Displays temperature, pressure, and humidity with different offsets.
+
+Press Ctrl+C to exit!
+
+""")
+
+try:
+    sensor = bme680.BME680(bme680.I2C_ADDR_PRIMARY)
+except IOError:
+    sensor = bme680.BME680(bme680.I2C_ADDR_SECONDARY)
+
+# 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)
+
+def display_data(offset=0):
+    sensor.set_temp_offset(offset)
+    sensor.get_sensor_data()
+    output = '{0:.2f} C, {1:.2f} hPa, {2:.3f} %RH'.format(
+        sensor.data.temperature,
+        sensor.data.pressure,
+        sensor.data.humidity)
+    print(output)
+    print('')
+
+print('Initial readings')
+display_data()
+
+print('SET offset 4 degrees celsius')
+display_data(4)
+
+print('SET offset -1.87 degrees celsius')
+display_data(-1.87)
+
+print('SET offset -100 degrees celsius')
+display_data(-100)
+
+print('SET offset 0 degrees celsius')
+display_data(0)