examples: Cleanup Python examples

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

examples/python/gpio.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+
+# Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+# Copyright (c) 2018 Linaro Ltd.
+#
+# 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.
+#
+# Example Usage: Toggles GPIO 23 and 24 continuously in an alternative pattern
+
+import mraa
+import time
+
+# initialise gpio 23
+gpio_1 = mraa.Gpio(23)
+
+# initialise gpio 24
+gpio_2 = mraa.Gpio(24)
+
+# set gpio 23 to output
+gpio_1.dir(mraa.DIR_OUT)
+
+# set gpio 24 to output
+gpio_2.dir(mraa.DIR_OUT)
+
+# toggle both gpio's
+while True:
+    gpio_1.write(1)
+    gpio_2.write(0)
+
+    time.sleep(1)
+
+    gpio_1.write(0)
+    gpio_2.write(1)
+
+    time.sleep(1)