grovemd: python example for grovemd I2C motor driver

Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

examples/python/grovemd.py

@@ -0,0 +1,47 @@
+#!/usr/bin/python
+# Author: Zion Orent <zorent@ics.com>
+# Copyright (c) 2015 Intel Corporation.
+#
+# 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.
+
+import time
+import pyupm_grovemd as upmGrovemd
+
+I2C_BUS = upmGrovemd.GROVEMD_I2C_BUS
+I2C_ADDR = upmGrovemd.GROVEMD_DEFAULT_I2C_ADDR
+
+# Instantiate an I2C Grove Motor Driver on I2C bus 0
+myMotorDriver = upmGrovemd.GroveMD(I2C_BUS, I2C_ADDR)
+
+
+# set direction to CW and set speed to 50%
+print "Spin M1 and M2 at half speed for 3 seconds"
+myMotorDriver.setMotorDirections(upmGrovemd.GroveMD.DIR_CW, upmGrovemd.GroveMD.DIR_CW)
+myMotorDriver.setMotorSpeeds(127, 127)
+
+time.sleep(3)
+# counter clockwise
+print "Reversing M1 and M2 for 3 seconds"
+myMotorDriver.setMotorDirections(upmGrovemd.GroveMD.DIR_CCW,
+upmGrovemd.GroveMD.DIR_CCW)
+time.sleep(3)
+
+print "Stopping motors"
+myMotorDriver.setMotorSpeeds(0, 0)