Adding PWM validation project

cores/validation/validation_PWM/build_as6/test.atsln

+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Atmel Studio Solution File, Format Version 11.00
+Project("{E66E83B9-2572-4076-B26E-6BE79FF3018A}") = "test", "test.cppproj", "{B3F859AD-E162-4C2F-9684-EAC6932FEC80}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM = Debug|ARM
+		Release|ARM = Release|ARM
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{B3F859AD-E162-4C2F-9684-EAC6932FEC80}.Debug|ARM.ActiveCfg = Debug|ARM
+		{B3F859AD-E162-4C2F-9684-EAC6932FEC80}.Debug|ARM.Build.0 = Debug|ARM
+		{B3F859AD-E162-4C2F-9684-EAC6932FEC80}.Release|ARM.ActiveCfg = Release|ARM
+		{B3F859AD-E162-4C2F-9684-EAC6932FEC80}.Release|ARM.Build.0 = Release|ARM
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

cores/validation/validation_PWM/test.cpp

+/*
+  Copyright (c) 2014 Arduino.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "Arduino.h"
+
+static uint8_t brightness = 0;    // how bright the LED is
+static int fadeAmount = 5;    // how many points to fade the LED by
+
+void setup( void )
+{
+  for ( int i=2 ; i < 14 ; i++ )
+  {
+    pinMode( i, OUTPUT ) ;
+  }
+
+  Serial5.begin( 115200 ) ; // Output to EDBG Virtual COM Port
+  Serial5.println( "test") ;
+  Serial5.println( brightness ) ;
+}
+
+void loop( void )
+{
+  Serial5.println( brightness ) ;
+
+  for ( int i=2 ; i < 14 ; i++ )
+  {
+    analogWrite( i, brightness ) ;
+  }
+
+  // change the brightness for next time through the loop:
+  brightness = brightness + fadeAmount ;
+
+  // reverse the direction of the fading at the ends of the fade:
+  if ( brightness == 0 || brightness == 255 )
+  {
+    fadeAmount = -fadeAmount ;
+  }
+  
+  // wait for 30 milliseconds to see the dimming effect
+  delay( 30 ) ;
+}
+