kxtj3: Add java/python/javascript examples

* Java/Python/Javascript examples
* change usleep to upm_delay_us in C++ example
* Add Java example to CMakeLists

Signed-off-by: Assam Boudjelthia <assam.boudjelthia@fi.rohmeurope.com>
Signed-off-by: Noel Eck <noel.eck@intel.com>

examples/python/kxtj3.py

@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+
+# The MIT License (MIT)
+#
+# Author: Assam Boudjelthia
+# Copyright (c) 2018 Rohm Semiconductor.
+#
+# 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
+
+import time, sys, signal, atexit
+from upm import pyupm_kxtj3
+
+
+def main():
+    kxtj3_sensor = pyupm_kxtj3.KXTJ3(0x0, 0x0f)
+
+    kxtj3_sensor.SensorInit(pyupm_kxtj3.KXTJ3_ODR_25,
+                            pyupm_kxtj3.HIGH_RES,
+                            pyupm_kxtj3.KXTJ3_RANGE_16G_14)
+
+    # Prevent stack printing on CTRL^C
+    def SIGINTHandler(signum, frame):
+        raise SystemExit
+
+    def exitHandler():
+        print("Exiting")
+        sys.exit(0)
+
+    atexit.register(exitHandler)
+    signal.signal(signal.SIGINT, SIGINTHandler)
+
+    sampleCounter = 10
+    waitTime = kxtj3_sensor.GetAccelerationSamplePeriod()
+    print("Setting settings:\nODR: 25 Hz\nResolution: "
+          "High\nAcceleration range: 16g with 14bits")
+    print("Acceleration:")
+    while sampleCounter > 0:
+        [x, y, z] = kxtj3_sensor.GetAccelerationVector()
+
+        print ("x: %0.02f, y: %0.02f, z: %0.02f" % (x, y, z))
+        
+        time.sleep(waitTime)
+        sampleCounter -= 1
+
+
+if __name__ == '__main__':
+    main()