Updates implementation and examples to use dynamic-friendly interface

Signed-off-by: deadprogram <ron@hybridgroup.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

examples/c++/curieimu.cxx

@@ -58,7 +58,9 @@ main(int argc, char **argv)
     sensor->enableShockDetection(true);
     for(int i=0; i<300; i++) {
       if (sensor->isShockDetected()) {
-        sensor->getShockDetectData(&axis, &direction);
+        sensor->getNextShock();
+        axis = sensor->getAxis();
+        direction = sensor->getDirection();
         printf("shock data is: %d, %d\n", axis, direction);
       }
       usleep(10000);

examples/javascript/curieimu.js

@@ -0,0 +1,47 @@
+/*jslint node:true, vars:true, bitwise:true, unparam:true */
+/*jshint unused:true */
+/*
+* Author: Ron Evans (@deadprogram)
+* 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.
+*/
+
+var curieImu = require('jsupm_curieimu');
+
+var outputStr;
+var myInterval = setInterval(function()
+{
+	// get accelerometer readings
+	curieImu.updateAccel();
+	outputStr = "accel: x " + curieImu.getAccelX()
+				+ " - y " + curieImu.getAccelY()
+				+ " - z " + curieImu.getAccelZ();
+	console.log(outputStr);
+	console.log(" ");
+}, 1000);
+
+// Print message when exiting
+process.on('SIGINT', function()
+{
+	clearInterval(myInterval);
+	console.log("Exiting");
+	process.exit(0);
+});

src/curieimu/curieimu.cpp

@@ -326,6 +326,18 @@ CurieImu::getTemperature()
     return result;
 }
 
+int16_t
+CurieImu::getAxis()
+{
+  return m_axis;
+}
+
+int16_t
+CurieImu::getDirection()
+{
+  return m_direction;
+}
+
 void
 CurieImu::enableShockDetection(bool enable)
 {
@@ -355,12 +367,12 @@ CurieImu::isShockDetected()
 }
 
 void
-CurieImu::getShockDetectData(int *axis, int *direction)
+CurieImu::getNextShock()
 {
   if (m_shockData.size() > 0) {
       IMUDataItem* item = m_shockData.front();
-        *axis = item->axis;
-        *direction = item->direction;
+      m_axis = item->axis;
+      m_direction = item->direction;
       m_shockData.pop();
       delete item;
   }
@@ -394,13 +406,15 @@ CurieImu::isStepDetected()
     return (m_stepData.size() > 0);
 }
 
-void
-CurieImu::getStepCount(int *count)
+int16_t
+CurieImu::getStepCount()
 {
+    int16_t count = 0;
     if (m_stepData.size() > 0) {
-        *count = m_stepData.front();
+        count = m_stepData.front();
         m_stepData.pop();
     }
+    return count;
 }
 
 void
@@ -432,12 +446,12 @@ CurieImu::isTapDetected()
 }
 
 void
-CurieImu::getTapDetectData(int *axis, int *direction)
+CurieImu::getNextTap()
 {
   if (m_tapData.size() > 0) {
       IMUDataItem* item = m_tapData.front();
-        *axis = item->axis;
-        *direction = item->direction;
+      m_axis = item->axis;
+      m_direction = item->direction;
       m_tapData.pop();
       delete item;
   }

src/curieimu/curieimu.hpp

@@ -177,6 +177,20 @@ class CurieImu {
        */
       int16_t* getMotion();
 
+      /**
+       * Returns last shock or tap axis reading
+       *
+       * @return axis value
+       */
+      int16_t getAxis();
+
+      /**
+       * Returns last shock or tap direction reading
+       *
+       * @return direction value
+       */
+      int16_t getDirection();
+
       /**
        * Turns shock detection notifications on/off
        *
@@ -192,12 +206,10 @@ class CurieImu {
       bool isShockDetected();
 
       /**
-       * Gets shock detect data from queue
-       *
-       * @param axis gets axis data
-       * @param direction gets direction data
+       * Gets shock detect data from queue. Then m_axis gets axis data, and
+       * m_direction gets direction data
        */
-      void getShockDetectData(int *axis, int *direction);
+      void getNextShock();
 
       /**
        * Turns step counter notifications on/off
@@ -216,9 +228,9 @@ class CurieImu {
       /**
        * Gets step count data from queue
        *
-       * @param count the total number of steps taken
+       * @return the total number of steps taken
        */
-      void getStepCount(int *count);
+      int16_t getStepCount();
 
       /**
        * Turns tap detection notifications on/off
@@ -235,12 +247,10 @@ class CurieImu {
       bool isTapDetected();
 
       /**
-       * Gets tap detect data from queue
-       *
-       * @param axis gets axis data
-       * @param direction gets direction data
+       * Gets tap detect data from queue. Then m_axis gets axis data, and
+       * m_direction gets direction data
        */
-      void getTapDetectData(int *axis, int *direction);
+      void getNextTap();
 
       /**
        * Locks responses from Firmata
@@ -289,6 +299,9 @@ class CurieImu {
         int16_t m_accel[3];
         int16_t m_gyro[3];
         int16_t m_motion[6];
+
+        int16_t m_axis;
+        int16_t m_direction;
 };
 
 }