Merge pull request #13 from ladyada/master

support bmp390

Author: ladyada

adafruit_bmp3xx.py

@@ -54,7 +54,8 @@
 __version__ = "0.0.0-auto.0"
 __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_BMP3XX.git"
 
-_CHIP_ID = const(0x50)
+_BMP388_CHIP_ID = const(0x50)
+_BMP390_CHIP_ID = const(0x60)
 
 # pylint: disable=import-outside-toplevel
 _REGISTER_CHIPID = const(0x00)
@@ -77,7 +78,7 @@ class BMP3XX:
 
     def __init__(self):
         chip_id = self._read_byte(_REGISTER_CHIPID)
-        if _CHIP_ID != chip_id:
+        if chip_id not in (_BMP388_CHIP_ID, _BMP390_CHIP_ID):
             raise RuntimeError("Failed to find BMP3XX! Chip ID 0x%x" % chip_id)
         self._read_coefficients()
         self.reset()
@@ -237,7 +238,7 @@ def _write_register_byte(self, register, value):
 
 class BMP3XX_I2C(BMP3XX):
     """Driver for I2C connected BMP3XX. Default address is 0x77 but another address can be passed
-       in as an argument"""
+    in as an argument"""
 
     def __init__(self, i2c, address=0x77):
         import adafruit_bus_device.i2c_device as i2c_device

examples/bmp3xx_simpletest.py

@@ -18,6 +18,6 @@
 
 while True:
     print(
-        "Pressure: {:6.1f}  Temperature: {:5.2f}".format(bmp.pressure, bmp.temperature)
+        "Pressure: {:6.4f}  Temperature: {:5.2f}".format(bmp.pressure, bmp.temperature)
     )
     time.sleep(1)