cjq4435: python example and js modification for cjq4435 MOSFET sensor

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

examples/javascript/cjq4435.js

@@ -79,7 +79,9 @@ function setDutyCycle()
 process.on('SIGINT', function()
 {
 	clearInterval(myInterval);
-	myMOSFETsensor.off();
+	myMOSFETsensor = null;
+	MOSFETsensor.cleanUp();
+	MOSFETsensor = null;
 	console.log("Exiting...");
 	process.exit(0);
 });

examples/python/cjq4435.py

@@ -0,0 +1,46 @@
+#!/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.
+
+from __future__ import division
+import time
+import pyupm_cjq4435 as upmCjq4435
+
+# Instantiate a CJQ4435 MOSFET on a PWM capable digital pin D3
+myMOSFETsensor = upmCjq4435.CJQ4435(3)
+
+
+myMOSFETsensor.setPeriodMS(10)
+myMOSFETsensor.enable(True)
+
+# start with a duty cycle of 0.0 (off) and increment to 1.0 (on)
+for i in range(11):
+	myMOSFETsensor.setDutyCycle(i / 10)
+	time.sleep(.1)
+time.sleep(1)
+
+# Now take it back down
+#	 start with a duty cycle of 1.0 (on) and decrement to 0.0 (off)
+for i in range(10, -1, -1):
+	myMOSFETsensor.setDutyCycle(i / 10)
+	time.sleep(.1)
+time.sleep(1)