public void readMessages()
{
CANMessage canMessage = new CANMessage();
byte[] receiveBuffer = new byte[1024]; // circular buffer for reception of data
string receiveString = string.Empty;
Console.WriteLine("readMessages started");
while (true)
{
lock (m_synchObject)
{
if (m_endThread)
{
Console.WriteLine("readMessages ended");
return;
}
}
if (m_serialPort.IsOpen)
{
if (m_serialPort.BytesToRead > 0)
{
receiveString += m_serialPort.ReadExisting();
//Console.WriteLine("BUF1: " + receiveString);
receiveString = receiveString.Replace(">", ""); // remove prompt characters... we don't need that stuff
receiveString = receiveString.Replace("NO DATA", ""); // remove prompt characters... we don't need that stuff
while (receiveString.StartsWith("\n") || receiveString.StartsWith("\r"))
{
receiveString = receiveString.Substring(1, receiveString.Length - 1);
}
while (receiveString.Contains('\r'))
{
// process the line
int idx = receiveString.IndexOf('\r');
string rxMessage = receiveString.Substring(0, idx);
receiveString = receiveString.Substring(idx + 1, receiveString.Length - idx - 1);
while (receiveString.StartsWith("\n") || receiveString.StartsWith("\r"))
{
receiveString = receiveString.Substring(1, receiveString.Length - 1);
}
//Console.WriteLine("BUF2: " + receiveString);
// is it a valid line
if (rxMessage.Length >= 6)
{
try
{
uint id = Convert.ToUInt32(rxMessage.Substring(0, 3), 16);
if (MessageContainsInformationForRealtime(id))
{
canMessage.setID(id);
canMessage.setLength(8); // TODO: alter to match data
canMessage.setData(0x0000000000000000); // reset message content
byte b1 = Convert.ToByte(rxMessage.Substring(4, 2), 16);
if (b1 < 7)
{
canMessage.setCanData(b1, 0);
//Console.WriteLine("Byte 1: " + Convert.ToByte(rxMessage.Substring(4, 2), 16).ToString("X2"));
if (b1 >= 1) canMessage.setCanData(Convert.ToByte(rxMessage.Substring(7, 2), 16), 1);
if (b1 >= 2) canMessage.setCanData(Convert.ToByte(rxMessage.Substring(10, 2), 16), 2);
if (b1 >= 3) canMessage.setCanData(Convert.ToByte(rxMessage.Substring(13, 2), 16), 3);
if (b1 >= 4) canMessage.setCanData(Convert.ToByte(rxMessage.Substring(16, 2), 16), 4);
if (b1 >= 5) canMessage.setCanData(Convert.ToByte(rxMessage.Substring(19, 2), 16), 5);
if (b1 >= 6) canMessage.setCanData(Convert.ToByte(rxMessage.Substring(22, 2), 16), 6);
if (b1 >= 7) canMessage.setCanData(Convert.ToByte(rxMessage.Substring(25, 2), 16), 7);
}
else
{
canMessage.setCanData(b1, 0);
//Console.WriteLine("Byte 1: " + Convert.ToByte(rxMessage.Substring(4, 2), 16).ToString("X2"));
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(7, 2), 16), 1);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(10, 2), 16), 2);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(13, 2), 16), 3);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(16, 2), 16), 4);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(19, 2), 16), 5);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(22, 2), 16), 6);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(25, 2), 16), 7);
}
lock (m_listeners)
{
AddToCanTrace("RX: " + canMessage.getData().ToString("X16"));
//Console.WriteLine("MSG: " + rxMessage);
foreach (ICANListener listener in m_listeners)
{
listener.handleMessage(canMessage);
}
}
}
}
catch (Exception)
{
Console.WriteLine("MSG: " + rxMessage);
}
}
}
}
else
{
Thread.Sleep(1); // give others some air
}
}
}
// parse the receive string
/*int readResult = 0;
LAWICEL.CANMsg r_canMsg = new LAWICEL.CANMsg();
CANMessage canMessage = new CANMessage();
Console.WriteLine("readMessages started");
while (true)
{
lock (m_synchObject)
{
if (m_endThread)
{
Console.WriteLine("readMessages ended");
return;
}
}
readResult = LAWICEL.canusb_Read(m_deviceHandle, out r_canMsg);
if (readResult == LAWICEL.ERROR_CANUSB_OK)
{
//Console.WriteLine(r_canMsg.id.ToString("X3") + " " + r_canMsg.data.ToString("X8"));
if (MessageContainsInformationForRealtime(r_canMsg.id))
{
canMessage.setID(r_canMsg.id);
canMessage.setLength(r_canMsg.len);
canMessage.setTimeStamp(r_canMsg.timestamp);
canMessage.setFlags(r_canMsg.flags);
canMessage.setData(r_canMsg.data);
lock (m_listeners)
{
AddToCanTrace("RX: " + r_canMsg.data.ToString("X16"));
foreach (ICANListener listener in m_listeners)
{
//while (listener.messagePending()) ; // dirty, make this better
listener.handleMessage(canMessage);
}
//CastInformationEvent(canMessage); // <GS-05042011> re-activated this function
}
//Thread.Sleep(1);
}
// cast event to application to process message
//if (MessageContainsInformationForRealtime(r_canMsg.id))
//{
//TODO: process all other known msg id's into the realtime view
// CastInformationEvent(canMessage); // <GS-05042011> re-activated this function
//}
}
else if (readResult == LAWICEL.ERROR_CANUSB_NO_MESSAGE)
{
Thread.Sleep(1);
}
}
*/
}
public void readMessages()
{
CANMessage canMessage = new CANMessage();
byte[] receiveBuffer = new byte[1024]; // circular buffer for reception of data
string receiveString = string.Empty;
Console.WriteLine("readMessages started");
while (true)
{
lock (m_synchObject)
{
if (m_endThread)
{
Console.WriteLine("readMessages ended");
return;
}
}
if (m_serialPort.IsOpen)
{
if (m_serialPort.BytesToRead > 0)
{
receiveString += m_serialPort.ReadExisting();
//Console.WriteLine("BUF1: " + receiveString);
receiveString = receiveString.Replace(">", ""); // remove prompt characters... we don't need that stuff
receiveString = receiveString.Replace("NO DATA", ""); // remove prompt characters... we don't need that stuff
while (receiveString.StartsWith("\n") || receiveString.StartsWith("\r"))
{
receiveString = receiveString.Substring(1, receiveString.Length - 1);
}
while (receiveString.Contains('\r'))
{
// process the line
int idx = receiveString.IndexOf('\r');
string rxMessage = receiveString.Substring(0, idx);
receiveString = receiveString.Substring(idx + 1, receiveString.Length - idx - 1);
while (receiveString.StartsWith("\n") || receiveString.StartsWith("\r"))
{
receiveString = receiveString.Substring(1, receiveString.Length - 1);
}
//Console.WriteLine("BUF2: " + receiveString);
// is it a valid line
if (rxMessage.Length >= 6)
{
try
{
uint id = Convert.ToUInt32(rxMessage.Substring(0, 3), 16);
if (MessageContainsInformationForRealtime(id))
{
canMessage.setID(id);
canMessage.setLength(8); // TODO: alter to match data
canMessage.setData(0x0000000000000000); // reset message content
byte b1 = Convert.ToByte(rxMessage.Substring(4, 2), 16);
if (b1 < 7)
{
canMessage.setCanData(b1, 0);
//Console.WriteLine("Byte 1: " + Convert.ToByte(rxMessage.Substring(4, 2), 16).ToString("X2"));
if (b1 >= 1)
{
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(7, 2), 16), 1);
}
if (b1 >= 2)
{
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(10, 2), 16), 2);
}
if (b1 >= 3)
{
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(13, 2), 16), 3);
}
if (b1 >= 4)
{
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(16, 2), 16), 4);
}
if (b1 >= 5)
{
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(19, 2), 16), 5);
}
if (b1 >= 6)
{
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(22, 2), 16), 6);
}
if (b1 >= 7)
{
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(25, 2), 16), 7);
}
}
else
{
canMessage.setCanData(b1, 0);
//Console.WriteLine("Byte 1: " + Convert.ToByte(rxMessage.Substring(4, 2), 16).ToString("X2"));
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(7, 2), 16), 1);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(10, 2), 16), 2);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(13, 2), 16), 3);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(16, 2), 16), 4);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(19, 2), 16), 5);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(22, 2), 16), 6);
canMessage.setCanData(Convert.ToByte(rxMessage.Substring(25, 2), 16), 7);
}
lock (m_listeners)
{
AddToCanTrace("RX: " + canMessage.getData().ToString("X16"));
//Console.WriteLine("MSG: " + rxMessage);
foreach (ICANListener listener in m_listeners)
{
listener.handleMessage(canMessage);
}
}
}
}
catch (Exception)
{
Console.WriteLine("MSG: " + rxMessage);
}
}
}
}
else
{
Thread.Sleep(1); // give others some air
}
}
}
// parse the receive string
/*int readResult = 0;
* LAWICEL.CANMsg r_canMsg = new LAWICEL.CANMsg();
* CANMessage canMessage = new CANMessage();
* Console.WriteLine("readMessages started");
* while (true)
* {
* lock (m_synchObject)
* {
* if (m_endThread)
* {
* Console.WriteLine("readMessages ended");
* return;
* }
* }
* readResult = LAWICEL.canusb_Read(m_deviceHandle, out r_canMsg);
* if (readResult == LAWICEL.ERROR_CANUSB_OK)
* {
* //Console.WriteLine(r_canMsg.id.ToString("X3") + " " + r_canMsg.data.ToString("X8"));
* if (MessageContainsInformationForRealtime(r_canMsg.id))
* {
* canMessage.setID(r_canMsg.id);
* canMessage.setLength(r_canMsg.len);
* canMessage.setTimeStamp(r_canMsg.timestamp);
* canMessage.setFlags(r_canMsg.flags);
* canMessage.setData(r_canMsg.data);
* lock (m_listeners)
* {
* AddToCanTrace("RX: " + r_canMsg.data.ToString("X16"));
* foreach (ICANListener listener in m_listeners)
* {
* //while (listener.messagePending()) ; // dirty, make this better
* listener.handleMessage(canMessage);
* }
* //CastInformationEvent(canMessage); // <GS-05042011> re-activated this function
* }
* //Thread.Sleep(1);
* }
*
* // cast event to application to process message
* //if (MessageContainsInformationForRealtime(r_canMsg.id))
* //{
* //TODO: process all other known msg id's into the realtime view
* // CastInformationEvent(canMessage); // <GS-05042011> re-activated this function
* //}
* }
* else if (readResult == LAWICEL.ERROR_CANUSB_NO_MESSAGE)
* {
* Thread.Sleep(1);
* }
* }
*/
}
/// <summary>
/// waitForMessage waits for a specific CAN message give by a CAN id.
/// </summary>
/// <param name="a_canID">The CAN id to listen for</param>
/// <param name="timeout">Listen timeout</param>
/// <param name="r_canMsg">The CAN message with a_canID that we where listening for.</param>
/// <returns>The CAN id for the message we where listening for, otherwise 0.</returns>
public override uint waitForMessage(uint a_canID, uint timeout, out CANMessage canMsg)
{
/*
int readResult = 0;
int nrOfWait = 0;
while (nrOfWait < timeout)
{
LAWICEL.CANMsg r_canMsg = new LAWICEL.CANMsg();
canMsg = new CANMessage();
readResult = LAWICEL.canusb_Read(m_deviceHandle, out r_canMsg);
if (readResult == LAWICEL.ERROR_CANUSB_OK)
{
//Console.WriteLine("rx id: 0x" + r_canMsg.id.ToString("X4"));
if (r_canMsg.id != a_canID)
{
nrOfWait++;
continue;
}
else
{
canMsg.setID(r_canMsg.id);
canMsg.setData(r_canMsg.data);
canMsg.setFlags(r_canMsg.flags);
return (uint)r_canMsg.id;
}
}
else if (readResult == LAWICEL.ERROR_CANUSB_NO_MESSAGE)
{
Thread.Sleep(1);
nrOfWait++;
}
}
canMsg = new CANMessage();
return 0;*/
LAWICEL.CANMsg r_canMsg;
canMsg = new CANMessage();
int readResult = 0;
int nrOfWait = 0;
while (nrOfWait < timeout)
{
r_canMsg = new LAWICEL.CANMsg();
readResult = LAWICEL.canusb_Read(m_deviceHandle, out r_canMsg);
if (readResult == LAWICEL.ERROR_CANUSB_OK)
{
Thread.Sleep(1);
AddToCanTrace("rx: 0x" + r_canMsg.id.ToString("X4") + r_canMsg.data.ToString("X16"));
if (r_canMsg.id == 0x00)
{
nrOfWait++;
}
else if (r_canMsg.id != a_canID)
continue;
canMsg.setData(r_canMsg.data);
canMsg.setID(r_canMsg.id);
canMsg.setLength(r_canMsg.len);
return (uint)r_canMsg.id;
}
else if (readResult == LAWICEL.ERROR_CANUSB_NO_MESSAGE)
{
Thread.Sleep(1);
nrOfWait++;
}
}
r_canMsg = new LAWICEL.CANMsg();
return 0;
}
/// <summary>
/// readMessages is the "run" method of this class. It reads all incomming messages
/// and publishes them to registered ICANListeners.
/// </summary>
public void readMessages()
{
int readResult = 0;
LAWICEL.CANMsg r_canMsg = new LAWICEL.CANMsg();
CANMessage canMessage = new CANMessage();
Console.WriteLine("readMessages started");
while (true)
{
lock (m_synchObject)
{
if (m_endThread)
{
Console.WriteLine("readMessages ended");
return;
}
}
readResult = LAWICEL.canusb_Read(m_deviceHandle, out r_canMsg);
if (readResult == LAWICEL.ERROR_CANUSB_OK)
{
//Console.WriteLine(r_canMsg.id.ToString("X6") + " " + r_canMsg.data.ToString("X16"));
//if (MessageContainsInformationForRealtime(r_canMsg.id))
{
canMessage.setID(r_canMsg.id);
canMessage.setLength(r_canMsg.len);
canMessage.setTimeStamp(r_canMsg.timestamp);
canMessage.setFlags(r_canMsg.flags);
canMessage.setData(r_canMsg.data);
lock (m_listeners)
{
bitsPerSecond += 109;
AddToCanTrace("RX: " + r_canMsg.id.ToString("X6") + " " + r_canMsg.data.ToString("X16"));
rxCount++;
foreach (ICANListener listener in m_listeners)
{
//while (listener.messagePending()) ; // dirty, make this better
listener.handleMessage(canMessage);
}
CastInformationEvent("", rxCount, txCount, errCount); // <GS-05042011> re-activated this function
}
//Thread.Sleep(1);
}
// cast event to application to process message
//if (MessageContainsInformationForRealtime(r_canMsg.id))
//{
//TODO: process all other known msg id's into the realtime view
// CastInformationEvent(canMessage); // <GS-05042011> re-activated this function
//}
}
else if (readResult == LAWICEL.ERROR_CANUSB_NO_MESSAGE)
{
// Console.WriteLine("No message");
Thread.Sleep(1);
}
else
{
Console.WriteLine("Result: " + readResult.ToString("X8"));
}
/*int stat = LAWICEL.canusb_Status(m_deviceHandle);
if (stat != 0)
{
Console.WriteLine("status: " + stat.ToString("X4"));
}*/
}
}
public int query_data(byte unit, byte data_id, out byte[] answer)
{
byte[] data = new byte[8];
byte length= 0;
byte i = 0;
answer = new byte[8]; // test <GS-11012011>
int rcv_length;
byte[] query = new byte[8] { 0x40, 0x00, 0x02, 0x21, 0x00, 0x00, 0x00, 0x00 };
byte[] ack = new byte[8] { 0x40, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00 };
//ulong query_long = 0x0000000021020040;
//ulong ack_long = 0x00000000003F0040;
query[1] = unit;
ack[1] = unit;
// If data_id is zero, decrease length field
if (data_id != 0x00) query[4] = data_id;
else query[2] = 0x01;
data[0] = 0x00;
rcv_length = 0;
//for (int i = 0; i < 5; i++)
{
CANMessage msg = new CANMessage(0x240, 0, 8);
//msg.setData(query_long);
msg.setCanData(query[0], 0);
msg.setCanData(query[1], 1);
msg.setCanData(query[2], 2);
msg.setCanData(query[3], 3);
msg.setCanData(query[4], 4);
msg.setCanData(query[5], 5);
msg.setCanData(query[6], 6);
msg.setCanData(query[7], 7);
msg.setID(0x240);
AddToCanTrace("Sending: 0x" + msg.getData().ToString("X16") + " id: 0x" + msg.getID().ToString("X4"));
if (!sendMessage(msg))
{
return -1;
}
uint reply_unit = GetReplyforUnit(unit);
reply_unit = 0x258; // for testing purposes
while (data[0] != 0x80 && data[0] != 0xC0)
{
CANMessage replyMessage = new CANMessage();
AddToCanTrace("Waiting for ID: 0x" + reply_unit.ToString("X4"));
if (waitForMessage(reply_unit, 1000, out replyMessage) == reply_unit)
{
AddToCanTrace("Rx data: " + replyMessage.getData().ToString("X16"));
data[0] = replyMessage.getCanData(0);
data[1] = replyMessage.getCanData(1);
data[2] = replyMessage.getCanData(2);
data[3] = replyMessage.getCanData(3);
data[4] = replyMessage.getCanData(4);
data[5] = replyMessage.getCanData(5);
data[6] = replyMessage.getCanData(6);
data[7] = replyMessage.getCanData(7);
int idx = 0;
if ((data[0] & 0x40) > 0)
{
if (data[2] > 0x02)
{
length = data[2]; // subtract two non-payload bytes
length -= 2;
answer = new byte[length];
}
else length = 0;
if (--length > 0)
{
answer[idx++] = data[5];
rcv_length++;
}
if (--length > 0)
{
answer[idx++] = data[6];
rcv_length++;
}
if (--length > 0)
{
answer[idx++] = data[7];
rcv_length++;
}
}
else
{
for (i = 0; i < 6; i++)
{
answer[idx++] = data[2 + i];
length--;
rcv_length++;
if (length == 0) i = 6;
}
}
// Send acknowledgement
ack[3] = Convert.ToByte(data[0] & 0xBF);
CANMessage ackMessage = new CANMessage();
//ackMessage.setData(ack_long);
ackMessage.setCanData(ack[0], 0);
ackMessage.setCanData(ack[1], 1);
ackMessage.setCanData(ack[2], 2);
ackMessage.setCanData(ack[3], 3);
ackMessage.setCanData(ack[4], 4);
ackMessage.setCanData(ack[5], 5);
ackMessage.setCanData(ack[6], 6);
ackMessage.setCanData(ack[7], 7);
ackMessage.setID(0x266);
sendMessage(ackMessage);
}
else
{
// Timeout
AddToCanTrace("Timeout waiting for 0x" + reply_unit.ToString("X3"));
return -1;
}
}
}
return rcv_length;
}
public int query_data(byte unit, byte data_id, out byte[] answer)
{
byte[] data = new byte[8];
byte length = 0;
byte i = 0;
answer = new byte[8]; // test <GS-11012011>
int rcv_length;
byte[] query = new byte[8] {
0x40, 0x00, 0x02, 0x21, 0x00, 0x00, 0x00, 0x00
};
byte[] ack = new byte[8] {
0x40, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00
};
//ulong query_long = 0x0000000021020040;
//ulong ack_long = 0x00000000003F0040;
query[1] = unit;
ack[1] = unit;
// If data_id is zero, decrease length field
if (data_id != 0x00)
{
query[4] = data_id;
}
else
{
query[2] = 0x01;
}
data[0] = 0x00;
rcv_length = 0;
//for (int i = 0; i < 5; i++)
{
CANMessage msg = new CANMessage(0x240, 0, 8);
//msg.setData(query_long);
msg.setCanData(query[0], 0);
msg.setCanData(query[1], 1);
msg.setCanData(query[2], 2);
msg.setCanData(query[3], 3);
msg.setCanData(query[4], 4);
msg.setCanData(query[5], 5);
msg.setCanData(query[6], 6);
msg.setCanData(query[7], 7);
msg.setID(0x240);
AddToCanTrace("Sending: 0x" + msg.getData().ToString("X16") + " id: 0x" + msg.getID().ToString("X4"));
if (!sendMessage(msg))
{
return(-1);
}
uint reply_unit = GetReplyforUnit(unit);
reply_unit = 0x258; // for testing purposes
while (data[0] != 0x80 && data[0] != 0xC0)
{
CANMessage replyMessage = new CANMessage();
AddToCanTrace("Waiting for ID: 0x" + reply_unit.ToString("X4"));
if (waitForMessage(reply_unit, 1000, out replyMessage) == reply_unit)
{
AddToCanTrace("Rx data: " + replyMessage.getData().ToString("X16"));
data[0] = replyMessage.getCanData(0);
data[1] = replyMessage.getCanData(1);
data[2] = replyMessage.getCanData(2);
data[3] = replyMessage.getCanData(3);
data[4] = replyMessage.getCanData(4);
data[5] = replyMessage.getCanData(5);
data[6] = replyMessage.getCanData(6);
data[7] = replyMessage.getCanData(7);
int idx = 0;
if ((data[0] & 0x40) > 0)
{
if (data[2] > 0x02)
{
length = data[2]; // subtract two non-payload bytes
length -= 2;
answer = new byte[length];
}
else
{
length = 0;
}
if (--length > 0)
{
answer[idx++] = data[5];
rcv_length++;
}
if (--length > 0)
{
answer[idx++] = data[6];
rcv_length++;
}
if (--length > 0)
{
answer[idx++] = data[7];
rcv_length++;
}
}
else
{
for (i = 0; i < 6; i++)
{
answer[idx++] = data[2 + i];
length--;
rcv_length++;
if (length == 0)
{
i = 6;
}
}
}
// Send acknowledgement
ack[3] = Convert.ToByte(data[0] & 0xBF);
CANMessage ackMessage = new CANMessage();
//ackMessage.setData(ack_long);
ackMessage.setCanData(ack[0], 0);
ackMessage.setCanData(ack[1], 1);
ackMessage.setCanData(ack[2], 2);
ackMessage.setCanData(ack[3], 3);
ackMessage.setCanData(ack[4], 4);
ackMessage.setCanData(ack[5], 5);
ackMessage.setCanData(ack[6], 6);
ackMessage.setCanData(ack[7], 7);
ackMessage.setID(0x266);
sendMessage(ackMessage);
}
else
{
// Timeout
AddToCanTrace("Timeout waiting for 0x" + reply_unit.ToString("X3"));
return(-1);
}
}
}
return(rcv_length);
}
//-------------------------------------------------------------------------
/**
Waits for arrival of a specific CAN message or any message if ID = 0.
@param a_canID message ID
@param timeout timeout, ms
@param canMsg message
@return message ID
*/
public override uint waitForMessage(uint a_canID, uint timeout,
out CANMessage canMsg)
{
canMsg = new CANMessage();
Debug.Assert(canMsg != null);
canMsg.setID(0);
caCombiAdapter.caCANFrame frame = new caCombiAdapter.caCANFrame();
if (this.combi.CAN_GetMessage(ref frame, timeout) &&
(frame.id == a_canID || a_canID == 0))
{
// message received
canMsg.setID(frame.id);
canMsg.setLength(frame.length);
canMsg.setData(frame.data);
return frame.id;
}
// timed out
return 0;
}
