update readme example to use code from simpletest. Fix a few pylint issues in simpletest.

Author: FoamyGuy

README.rst

@@ -58,23 +58,23 @@ Usage Example
 
 .. code-block:: python
 
+    import time
     import board
-    import digitalio
+    # import digitalio # For use with SPI
     import busio
-    import time
-    from adafruit_bmp280 import adafruit_bmp280
+    import adafruit_bmp280
 
     # Create library object using our Bus I2C port
-    i2c = busio.I2C(board.SCL, board.SDA)
-    bmp280 = adafruit_bmp280.Adafruit_BMP280_I2C(i2c)
+    i2c = busio.I2C(board.SCL, board.SDA)  # pylint: disable=invalid-name
+    bmp280 = adafruit_bmp280.Adafruit_BMP280_I2C(i2c)  # pylint: disable=invalid-name
 
     # OR create library object using our Bus SPI port
-    #spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
-    #bmp_cs = digitalio.DigitalInOut(board.D10)
-    #bmp280 = adafruit_bmp280.Adafruit_BMP280_SPI(spi, bmp_cs)
+    # spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
+    # bmp_cs = digitalio.DigitalInOut(board.D10)
+    # bmp280 = adafruit_bmp280.Adafruit_BMP280_SPI(spi, bmp_cs)
 
     # change this to match the location's pressure (hPa) at sea level
-    bmp280.seaLevelhPa = 1013.25
+    bmp280.sea_level_pressure = 1013.25
 
     while True:
         print("\nTemperature: %0.1f C" % bmp280.temperature)

examples/bmp280_simpletest.py

@@ -1,15 +1,14 @@
+"""Simpletest Example that shows how to get temperature,
+   pressure, and altitude readings from a BMP280"""
 import time
-
 import board
-
 # import digitalio # For use with SPI
 import busio
-
 import adafruit_bmp280
 
 # Create library object using our Bus I2C port
-i2c = busio.I2C(board.SCL, board.SDA)
-bmp280 = adafruit_bmp280.Adafruit_BMP280_I2C(i2c)
+i2c = busio.I2C(board.SCL, board.SDA)  # pylint: disable=invalid-name
+bmp280 = adafruit_bmp280.Adafruit_BMP280_I2C(i2c)  # pylint: disable=invalid-name
 
 # OR create library object using our Bus SPI port
 # spi = busio.SPI(board.SCK, board.MOSI, board.MISO)