/*
* Copyright (c) 2011, Kustaa Nyholm / SpareTimeLabs
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* Neither the name of the Kustaa Nyholm or SpareTimeLabs nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
package purejavacomm.testsuite;
import java.util.Arrays;
import java.util.Random;
import purejavacomm.SerialPort;
import purejavacomm.SerialPortEvent;
import purejavacomm.SerialPortEventListener;
public class Test2 extends TestBase {
private static boolean m_Done;
private static volatile Random rnd = new Random();
private static volatile byte[] m_ReceiveBuffer = new byte[10000];
private static volatile int m_BytesReceived = 0;
private static volatile int m_TotalReceived;
private static volatile long m_T0;
private static volatile long m_T1;
private static volatile int m_TxCount = 0;
private static volatile int m_RxCount = 0;
private static volatile int m_ErrorCount = 0;
private static int N = 1000;
static void run(int speed) throws Exception {
try {
m_Done = false;
rnd = new Random();
m_BytesReceived = 0;
m_TotalReceived = 0;
m_TxCount = 0;
m_RxCount = 0;
m_ErrorCount = 0;
begin("Test2 - tx/rx with event listener");
openPort();
m_Port.notifyOnDataAvailable(true);
m_Port.notifyOnOutputEmpty(true);
m_Port.setFlowControlMode(SerialPort.FLOWCONTROL_XONXOFF_IN + SerialPort.FLOWCONTROL_XONXOFF_OUT);
m_Port.setSerialPortParams(speed, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
final boolean[] stop = { false };
m_T0 = System.currentTimeMillis();
m_Port.addEventListener(new SerialPortEventListener() {
public void serialEvent(SerialPortEvent event) {
try {
if (event.getEventType() == SerialPortEvent.DATA_AVAILABLE) {
byte[] buffer = new byte[m_In.available()];
int n = m_In.read(buffer);
if (!m_Done) {
m_TotalReceived += n;
processBuffer(buffer, n);
if (m_RxCount >= N) {
m_Done = true;
}
}
}
if (event.getEventType() == SerialPortEvent.OUTPUT_BUFFER_EMPTY) {
if (m_TxCount < N) {
byte[] buffer = generateRandomMessage();
m_Out.write(buffer, 0, buffer.length);
m_TxCount++;
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
});
while (!m_Done) {
try {
sleep(100);
} catch (Exception ex) {
ex.printStackTrace();
}
}
m_T1 = System.currentTimeMillis();
if (m_ErrorCount > 0)
fail("checksum sum failure in %d out %d messages", m_ErrorCount, N);
int cs = m_Port.getDataBits() + 2;
double actual = m_TotalReceived * cs * 1000.0 / (m_T1 - m_T0);
int requested = m_Port.getBaudRate();
finishedOK("average speed %1.0f b/sec at baud rate %d", actual, requested);
} finally {
closePort();
}
}
static private byte[] generateRandomMessage() {
int n = 4 + (rnd.nextInt() & 63);
byte[] buffer = new byte[n + 2];
//System.out.print("Sending: " + new String(buffer));
int s = 0;
int i;
for (i = 0; i < n; i++) {
byte b = (byte) (32 + (rnd.nextInt() & 63));
buffer[i] = b;
s += b;
}
buffer[i++] = (byte) (32 + (s & 63));
buffer[i++] = '\n';
return buffer;
}
static private void processBuffer(byte[] buffer, int n) {
for (int i = 0; i < n; ++i) {
byte b = buffer[i];
if (n > buffer.length) {
m_ErrorCount++;
return;
}
m_ReceiveBuffer[m_BytesReceived++] = b;
if (b == '\n') {
//System.out.print("Received: " + new String(linebuf, 0, inp));
int s = 0;
int j;
for (j = 0; j < m_BytesReceived - 2; j++)
s += m_ReceiveBuffer[j];
byte cb = (byte) (32 + (s & 63));
if (cb != m_ReceiveBuffer[j] && m_RxCount > 0) {
System.out.println("check sum failure");
m_ErrorCount++;
}
m_RxCount++;
m_BytesReceived = 0;
}
}
}
}