Added docstring to make #51 pass travis

adafruit_circuitplayground/express.py

@@ -60,6 +60,8 @@
 import digitalio
 import neopixel
 import touchio
+import gamepad
+
 
 __version__ = "0.0.0-auto.0"
 __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_CircuitPlayground.git"
@@ -90,6 +92,7 @@ def __init__(self):
         self._a.switch_to_input(pull=digitalio.Pull.DOWN)
         self._b = digitalio.DigitalInOut(board.BUTTON_B)
         self._b.switch_to_input(pull=digitalio.Pull.DOWN)
+        self.gamepad = gamepad.GamePad(self._a, self._b)
 
         # Define switch:
         self._switch = digitalio.DigitalInOut(board.SLIDE_SWITCH)
@@ -479,6 +482,27 @@ def button_b(self):
         """
         return self._b.value
 
+    @property
+    def were_pressed(self):
+        """Returns a set of the buttons that have been pressed
+
+            .. image :: ../docs/_static/button_b.jpg
+              :alt: Button B
+
+            .. code-block:: python
+
+              from adafruit_circuitplayground.express import cpx
+
+              while True:
+                  print(cpx.were_pressed)
+        """
+        ret = set()
+        pressed = self.gamepad.get_pressed()
+        for button, mask in (('A', 0x01), ('B', 0x02)):
+            if mask & pressed:
+                ret.add(button)
+        return ret
+
     @property
     def switch(self):
         """

docs/conf.py

@@ -20,7 +20,7 @@
                        'NeoPixel': ('https://circuitpython.readthedocs.io/projects/neopixel/en/latest/', None)}
 
 # Libraries we depend on but don't need for generating docs.
-autodoc_mock_imports = ["board", "analogio", "digitalio", "neopixel", "adafruit_thermistor", "audioio", "touchio", "adafruit_lis3dh", "busio"]
+autodoc_mock_imports = ["board", "analogio", "digitalio", "neopixel", "adafruit_thermistor", "audioio", "touchio", "adafruit_lis3dh", "busio", "gamepad"]
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']