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Arduino/libraries/ArduinoTestSuite/examples/ATS_Delay/ATS_Delay.pde
2011-03-01 19:52:13 -05:00

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//************************************************************************
//* Arduino Test Suite
//* ATS_ToneTest
//*
//* Copyright (c) 2010 Mark Sproul 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
//************************************************************************
//* Aug 31, 2010 <MLS> Started on TestArduino
//* Oct 28, 2010 <MLS> Started on Delay
//************************************************************************
#include "HardwareSerial.h"
#include <ArduinoTestSuite.h>
//************************************************************************
void setup()
{
short ii;
short testNum;
int startMemoryUsage;
unsigned long startMillis;
unsigned long endMillis;
unsigned long deltaMillis;
unsigned long errMillis;
boolean passed;
char testNameString[80];
startMemoryUsage = ATS_GetFreeMemory();
ATS_begin("Arduino", "DelayTest");
testNum = 1;
//* we start at 2 because 0/1 are RXD/TXD
for (ii=0; ii<1000; ii+= 15)
{
startMillis = millis();
delay(ii);
endMillis = millis();
deltaMillis = endMillis - startMillis;
if (deltaMillis >= ii)
{
errMillis = deltaMillis - ii;
}
else
{
errMillis = ii - deltaMillis;
}
if (errMillis <= 1)
{
passed = true;
}
else
{
passed = false;
}
sprintf(testNameString, "DelayTest.%02d (delay= %4d actual delay=%ld err=%ld)", testNum, ii, deltaMillis, errMillis);
ATS_PrintTestStatus(testNameString, passed);
testNum++;
}
ATS_ReportMemoryUsage(startMemoryUsage);
ATS_end();
}
//************************************************************************
void loop()
{
}