otp538u: Initial implementation

This module was tested on the Grove non-contact IR Temperature
Sensor.  The tables included are only valid for a distance of 9cm.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: John Van Drasek <john.r.van.drasek@intel.com>

examples/CMakeLists.txt

@@ -85,6 +85,7 @@ add_executable (cjq4435-example cjq4435.cxx)
 add_executable (adxl335-example adxl335.cxx)
 add_executable (hmtrp-example hmtrp.cxx)
 add_executable (nunchuck-example nunchuck.cxx)
+add_executable (otp538u-example otp538u.cxx)
 
 include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
 include_directories (${PROJECT_SOURCE_DIR}/src/grove)
@@ -155,6 +156,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/cjq4435)
 include_directories (${PROJECT_SOURCE_DIR}/src/adxl335)
 include_directories (${PROJECT_SOURCE_DIR}/src/hmtrp)
 include_directories (${PROJECT_SOURCE_DIR}/src/nunchuck)
+include_directories (${PROJECT_SOURCE_DIR}/src/otp538u)
 
 target_link_libraries (hmc5883l-example hmc5883l ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (groveled-example grove ${CMAKE_THREAD_LIBS_INIT})
@@ -243,3 +245,4 @@ target_link_libraries (cjq4435-example cjq4435 ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (adxl335-example adxl335 ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (hmtrp-example hmtrp ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (nunchuck-example nunchuck ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries (otp538u-example otp538u ${CMAKE_THREAD_LIBS_INIT})

examples/javascript/otp538u.js

@@ -0,0 +1,64 @@
+/*jslint node:true, vars:true, bitwise:true, unparam:true */
+/*jshint unused:true */
+
+/*
+* 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.
+*/
+
+// analog voltage, usually 3.3 or 5.0
+var OTP538U_AREF = 5.0;
+
+var tempIRSensor_lib = require('jsupm_otp538u');
+
+// Instantiate a OTP538U on analog pins A0 and A1
+// A0 is used for the Ambient Temperature and A1 is used for the
+// Object temperature.
+var tempIRSensor_obj = new tempIRSensor_lib.OTP538U(0, 1, OTP538U_AREF);
+
+
+function checkTemp()
+{
+	var outputStr = "Ambient temp: " +
+		roundNum(tempIRSensor_obj.ambientTemperature(), 2) +
+		" C, Object temp: " +
+		roundNum(tempIRSensor_obj.objectTemperature(), 2) +
+		" C";
+	console.log(outputStr);
+}
+
+var myInterval = setInterval(checkTemp, 1000);
+
+function roundNum(num, decimalPlaces)
+{
+	var extraNum = (1 / (Math.pow(10, decimalPlaces) * 1000));
+	return (Math.round((num + extraNum) *
+		(Math.pow(10, decimalPlaces))) / Math.pow(10, decimalPlaces));
+}
+
+// When exiting: clear interval and print message
+process.on('SIGINT', function()
+{
+	clearInterval(myInterval);
+	console.log("Exiting...");
+	process.exit(0);
+});

examples/otp538u.cxx

@@ -0,0 +1,71 @@
+/*
+ * Author: Jon Trulson <jtrulson@ics.com>
+ * Copyright (c) 2014 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.
+ */
+
+#include <unistd.h>
+#include <iostream>
+#include <iomanip>
+#include <signal.h>
+#include "otp538u.h"
+
+using namespace std;
+
+bool shouldRun = true;
+
+// analog voltage, usually 3.3 or 5.0
+#define OTP538U_AREF   5.0
+
+void sig_handler(int signo)
+{
+  if (signo == SIGINT)
+    shouldRun = false;
+}
+
+int main()
+{
+  signal(SIGINT, sig_handler);
+
+//! [Interesting]
+
+  // Instantiate a OTP538U on analog pins A0 and A1
+  // A0 is used for the Ambient Temperature and A1 is used for the
+  // Object tempewrature.
+  upm::OTP538U *temps = new upm::OTP538U(0, 1, OTP538U_AREF);
+  
+  // Output ambient and object temperatures
+  while (shouldRun)
+    {
+      cout << "Ambient temp: " << std::fixed << setprecision(2) 
+           << temps->ambientTemperature() 
+           << " C, Object temp: " << temps->objectTemperature() 
+           << " C" << endl;
+      
+      sleep(1);
+    }
+//! [Interesting]
+
+  cout << "Exiting" << endl;
+
+  delete temps;
+  return 0;
+}