Merge remote-tracking branch 'adafruit/master'

Author: dhalbert

adafruit_bluefruit_connect/button_packet.py

@@ -37,14 +37,14 @@
 class ButtonPacket(Packet):
     """A packet containing a button name and its state."""
 
-    B_1 = '1'
+    BUTTON_1 = '1'
     """Code for Button 1 on the Bluefruit LE Connect app Control Pad screen."""
-    B_2 = '2'
+    BUTTON_2 = '2'
     """Button 2."""
-    B_3 = '3'
+    BUTTON_3 = '3'
     """Button 3."""
-    B_4 = '4'
-    """Button 4"""
+    BUTTON_4 = '4'
+    """Button 4."""
     #pylint: disable= invalid-name
     UP = '5'
     """Up Button."""
@@ -80,6 +80,7 @@ def __init__(self, button, pressed):
     def parse_private(cls, packet):
         """Construct a ButtonPacket from an incoming packet.
         Do not call this directly; call Packet.from_bytes() instead.
+        pylint makes it difficult to call this method _parse(), hence the name.
         """
         button, pressed = struct.unpack(cls._FMT_PARSE, packet)
         if not pressed in b'01':

adafruit_bluefruit_connect/color_packet.py

@@ -60,6 +60,7 @@ def __init__(self, color):
     def parse_private(cls, packet):
         """Construct a ColorPacket from an incoming packet.
         Do not call this directly; call Packet.from_bytes() instead.
+        pylint makes it difficult to call this method _parse(), hence the name.
         """
         return cls(struct.unpack(cls._FMT_PARSE, packet))
 

adafruit_bluefruit_connect/packet.py

@@ -122,6 +122,7 @@ def parse_private(cls, packet):
         is not correct.
 
         Do not call this directly. It's called from ``cls.from_bytes()``.
+        pylint makes it difficult to call this method _parse(), hence the name.
         """
         return cls(*struct.unpack(cls._FMT_PARSE, packet))
 

examples/bluefruit_connect_accelerometer_packet_test.py

@@ -0,0 +1,23 @@
+# Stream accelerometer data from your phone or tablet.
+# To use, start this program, and start the Adafruit Bluefruit LE Connect app.
+# Connect and go to the Controller screen. Turn on
+# STREAM SENSOR DATA -> Accelerometer to send data from the device's
+# accelerometer. See how it matches what this prints.
+
+from adafruit_ble.uart import UARTServer
+from adafruit_bluefruit_connect.packet import Packet
+# Only the packet classes that are imported will be known to Packet.
+from adafruit_bluefruit_connect.accelerometer_packet import AccelerometerPacket
+
+uart_server = UARTServer()
+
+while True:
+    # Advertise when not connected.
+    uart_server.start_advertising()
+    while not uart_server.connected:
+        pass
+
+    while uart_server.connected:
+        packet = Packet.from_stream(uart_server)
+        if isinstance(packet, AccelerometerPacket):
+            print(packet.x, packet.y, packet.z)