Tidying up and adding examples

examples/temperature-pressure-humidity.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+
+import bme680
+
+print("""temperature-pressure-humidity.py - Displays temperature, pressure, and humidity.
+
+If you don't need gas readings, then you can read temperature,
+pressure and humidity quickly.
+
+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)
+
+print('Polling:')
+try:
+    while True:
+        if 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)
+
+except KeyboardInterrupt:
+    pass