ecezo: initial implementation; C, C++; FTI + examples

Signed-off-by: Jon Trulson <jtrulson@ics.com>

examples/python/ecezo.py

@@ -0,0 +1,66 @@
+#!/usr/bin/python
+# Author: Jon Trulson <jtrulson@ics.com>
+# Copyright (c) 2016 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 print_function
+import time, sys, signal, atexit
+from upm import pyupm_ecezo as sensorObj
+
+def main():
+    # Instantiate a ECEZO sensor on uart 0 at 9600 baud.
+    sensor = sensorObj.ECEZO(0, 9600, False);
+
+    # For I2C, assuming the device is configured for address 0x64 on
+    # I2C bus 0, you could use something like:
+    #
+    # sensor = sensorObj.ECEZO(0, 0x64, True);
+
+    ## Exit handlers ##
+    # This function stops python from printing a stacktrace when you
+    # hit control-C
+    def SIGINTHandler(signum, frame):
+        raise SystemExit
+
+    # This function lets you run code on exit
+    def exitHandler():
+        print("Exiting")
+        sys.exit(0)
+
+    # Register exit handlers
+    atexit.register(exitHandler)
+    signal.signal(signal.SIGINT, SIGINTHandler)
+
+    while (1):
+        sensor.update()
+
+        print("EC "
+              + str(sensor.getEC())
+              + " uS/cm, TDS "
+              + str(sensor.getTDS())
+              + " mg/L, Salinity "
+              + str(sensor.getSalinity())
+              + " PSS-78, SG "
+              + str(sensor.getSG()));
+        time.sleep(5)
+
+if __name__ == '__main__':
+    main()