mic: swig python interface changes and python example

Signed-off-by: John Van Drasek <john.r.van.drasek@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

examples/python/mic.py

@@ -0,0 +1,47 @@
+# Author: John Van Drasek <john.r.van.drasek@intel.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_mic as upmMicrophone 
+
+# Attach microphone to analog port A0
+myMic = upmMicrophone.Microphone(0)
+threshContext = upmMicrophone.thresholdContext()
+threshContext.averageReading = 0
+threshContext.runningAverage = 0
+threshContext.averagedOver = 2
+
+# Infinite loop, ends when script is cancelled
+# Repeatedly, take a sample every 2 microseconds;
+# find the average of 128 samples; and
+# print a running graph of dots as averages
+while(1):
+    buffer = upmMicrophone.uint16Array(128)
+    len = myMic.getSampledWindow(2, 128, buffer);
+    if len:
+        thresh = myMic.findThreshold(threshContext, 30, buffer, len)
+        myMic.printGraph(threshContext)
+        if(thresh):
+            print "Threshold is ", thresh
+
+# Delete the upmMicrophone object
+del myMic

src/mic/pyupm_mic.i

@@ -2,11 +2,13 @@
 %include "../upm.i"
 %include "../carrays_uint16_t.i"
 
-%include "stdint.i"
+%typemap(in) uint16_t * {
+  void *argp = 0 ;
+  int res = SWIG_ConvertPtr($input, &argp,SWIGTYPE_p_uint16Array, 0 |  0 );
+  $1 = reinterpret_cast< uint16_t * >(argp);
+}
 
-%feature("autodoc", "3");
-
-%include "mic.h"
 %{
     #include "mic.h"
 %}
+%include "mic.h"