First pass of simpleio that includes DigitalIn and DigitalOut. Fixes #1.

Author: tannewt

simpleio.py

@@ -0,0 +1,67 @@
+# The MIT License (MIT)
+#
+# Copyright (c) 2017 Scott Shawcroft for Adafruit Industries.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+"""
+`simpleio` - Simple, beginner friendly IO.
+=================================================
+
+.. module:: simpleio
+  :synopsis: Simple, beginner friendly IO.
+  :platform: SAMD21, ESP8266
+
+The `simpleio` module contains classes to provide simple access to IO.
+"""
+
+import nativeio
+
+class DigitalOut:
+    """
+    Simple digital output that is valid until soft reset.
+    """
+    def __init__(self, pin):
+        self.io = nativeio.DigitalInOut(pin)
+        self.io.switch_to_output()
+
+    @property
+    def value(self):
+        """The digital logic level of the output pin."""
+        return self.io.value
+
+    @value.setter
+    def value(self, value):
+        self.io.value = value
+
+class DigitalIn:
+    """
+    Simple digital input that is valid until soft reset.
+    """
+    def __init__(self, pin):
+        self.io = nativeio.DigitalInOut(pin)
+        self.io.switch_to_input()
+
+    @property
+    def value(self):
+        """The digital logic level of the input pin."""
+        return self.io.value
+
+    @value.setter
+    def value(self, value):
+        raise AttributeError("Cannot set the value on a digital input.")