public SerialEventMessage(message_frame i_msg)
{
m_data = new byte[i_msg.size];
Buffer.BlockCopy(i_msg.msg, 0, m_data, 0, i_msg.size);
m_head = i_msg.msgflags;
m_sizeData = i_msg.size;
m_priority = (EVENT_PRIORITY)(m_head >> 5);
m_event = GetEventCode(i_msg.msg);
}
public EventMessage(byte[] msgPacket)
{
short msgCRC;
short expectedCRC;
if (msgPacket == null)
{
throw new ArgumentNullException("msgPacket");
}
byte head = msgPacket[VSCP_POS_HEAD];
_ignoreCRC = ((head & VSCP_NO_CRC_CALC) == VSCP_NO_CRC_CALC);
_ignoreCRC = true;
int incomming_packet_length = msgPacket.Length;
short dataSize = EventHelper.GetDataSize(msgPacket);
int msgLength = msgPacket.Length + VSCP_HEADER_SIZE;
msgLength += (_ignoreCRC) ? 0 : VSCP_SIZE_CRC;
if (msgLength > VSCP_MAX_DATA_SIZE)
{
throw new ApplicationException(string.Format("Invalid event message length: {0}", msgLength));
}
_priority = (EVENT_PRIORITY)(head >> 5);
if (_ignoreCRC == false)
{
msgCRC = EventHelper.GetCRC(msgPacket);
expectedCRC = EventHelper.CalcCRC(msgPacket, msgLength - VSCP_SIZE_CRC);
if (msgCRC != expectedCRC)
{
throw new ApplicationException(string.Format("Invalid event message CRC '{0}' instead of {1}", msgCRC, expectedCRC));
}
}
_event = EventHelper.GetEventCode(msgPacket);
_address = new byte [EventMessage.VSCP_SIZE_ADDRESS];
Buffer.BlockCopy(msgPacket, VSCP_POS_ADDRESS, _address, 0, VSCP_SIZE_ADDRESS);
_data = new Byte [dataSize];
Buffer.BlockCopy(msgPacket, VSCP_POS_DATA, _data, 0, dataSize);
}
public EventMessage(byte[] sender, EventCode eventCode, EVENT_PRIORITY priority, byte [] data, bool calcCRC)
{
if ((sender == null) || (sender.Length != EventMessage.VSCP_SIZE_ADDRESS))
{
_address = new byte [EventMessage.VSCP_SIZE_ADDRESS];
}
else
{
_address = sender;
}
_event = eventCode;
_priority = priority;
_ignoreCRC = !calcCRC;
if ((data == null) || (data.Length > VSCP_MAX_DATA_SIZE))
{
_data = new Byte[0];
}
else
{
_data = data.Clone() as byte [];
}
}
public EventMessage(byte[] msgPacket)
{
short msgCRC;
short expectedCRC;
if (msgPacket == null)
throw new ArgumentNullException ("msgPacket");
byte head = msgPacket[VSCP_POS_HEAD];
_ignoreCRC = ((head & VSCP_NO_CRC_CALC) == VSCP_NO_CRC_CALC);
_ignoreCRC = true;
int incomming_packet_length = msgPacket.Length;
short dataSize = EventHelper.GetDataSize (msgPacket);
int msgLength = msgPacket.Length + VSCP_HEADER_SIZE;
msgLength += (_ignoreCRC) ? 0 : VSCP_SIZE_CRC;
if (msgLength > VSCP_MAX_DATA_SIZE)
throw new ApplicationException(string.Format("Invalid event message length: {0}", msgLength));
_priority = (EVENT_PRIORITY)(head >> 5);
if (_ignoreCRC == false)
{
msgCRC = EventHelper.GetCRC (msgPacket);
expectedCRC = EventHelper.CalcCRC (msgPacket, msgLength - VSCP_SIZE_CRC);
if (msgCRC != expectedCRC)
throw new ApplicationException(string.Format("Invalid event message CRC '{0}' instead of {1}", msgCRC, expectedCRC));
}
_event = EventHelper.GetEventCode (msgPacket);
_address = new byte [EventMessage.VSCP_SIZE_ADDRESS];
Buffer.BlockCopy (msgPacket, VSCP_POS_ADDRESS, _address, 0, VSCP_SIZE_ADDRESS);
_data = new Byte [dataSize];
Buffer.BlockCopy (msgPacket, VSCP_POS_DATA, _data, 0, dataSize);
}
public EventMessage(byte[] sender, EventCode eventCode, EVENT_PRIORITY priority, byte [] data, bool calcCRC)
{
if ((sender == null) || (sender.Length != EventMessage.VSCP_SIZE_ADDRESS))
_address = new byte [EventMessage.VSCP_SIZE_ADDRESS];
else
_address = sender;
_event = eventCode;
_priority = priority;
_ignoreCRC = !calcCRC;
if ((data == null) || (data.Length > VSCP_MAX_DATA_SIZE))
_data = new Byte[0];
else
_data = data.Clone () as byte [];
}
private void btnSend_Click(object sender, EventArgs e)
{
try
{
// the the message to the serias interface
char[] aSplit = { ',' };
string sDataBytes = txtData.Text;
string[] asData = sDataBytes.Split(aSplit);
EventCode chosenEvent = m_eventCodeNameToVal[cbxEventCode.SelectedItem.ToString()];
EVENT_PRIORITY chosenPriority = m_eventPriorityToval[cbxPriority.SelectedItem.ToString()];
if (asData.Length == 1 && asData[0].Length == 0)
{
asData = new string[0];
}
// length: dle, stx, flags, 4 bytes header, data bytes, dle, etx
int len = 9 + asData.Length;
byte[] aVscpMsg = new byte[len];
aVscpMsg[0] = message_frame.DLE;
aVscpMsg[1] = message_frame.STX;
int iTemp = (int)chosenPriority;
aVscpMsg[2] = (byte)(iTemp << 5);
iTemp = (int)chosenEvent;
int iVal = (iTemp >> 24) & 0xFF;
aVscpMsg[3] = (byte)iVal;
iVal = (iTemp >> 16) & 0xFF;
aVscpMsg[4] = (byte)iVal;
iVal = iTemp & 0xFF;
aVscpMsg[5] = (byte)iVal;
// nickname is zero
aVscpMsg[6] = 0;
int i = 0;
for (; i < asData.Length; i++)
{
string sNumber = asData[i];
if (sNumber.Length > 0)
{
aVscpMsg[7 + i] = (byte)Int32.Parse(sNumber, System.Globalization.NumberStyles.HexNumber);
}
else
{
aVscpMsg[7 + i] = 0;
}
}
aVscpMsg[7 + i] = message_frame.DLE;
i++;
aVscpMsg[7 + i] = message_frame.ETX;
m_serialPort.Write(aVscpMsg, 0, aVscpMsg.Length);
message_frame generated_vscp_message = new message_frame();
for (int j = 0; j < aVscpMsg.Length; j++)
{
if (generated_vscp_message.AddByte(aVscpMsg[j]))
{
// a new serial vscp message
DateTime now = DateTime.Now;
// Create message so CRC is checked if needed
SerialEventMessage msg = new SerialEventMessage(generated_vscp_message);
string sMsg = msg.ToString();
string sTime = now.ToLongTimeString() + ":" + now.Millisecond;
if (null != m_tracer)
{
m_tracer.Write(sTime + " " + sMsg);
ListViewItem item = new ListViewItem(sTime, sMsg);
item.SubItems.Add(msg.ToString());
m_listView.AddItem(item);
string sEventName = msg.m_event.ToString();
byte[] dataBytes = msg.GetDataBytes();
string sCrack = m_msgCracker.Decode(sEventName, dataBytes);
if (sCrack.Length > 0)
{
ListViewItem item2 = new ListViewItem(sTime, sMsg);
item2.SubItems.Add(sCrack);
m_listView.AddItem(item2);
}
}
}
}
}
catch (IOException ex)
{
Debug.WriteLine("IOException: " + ex.Message);
MessageBox.Show(ex.Message);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
MessageBox.Show(ex.Message);
}
}
public SerialEventMessage( message_frame i_msg)
{
m_data = new byte[i_msg.size];
Buffer.BlockCopy(i_msg.msg, 0, m_data, 0, i_msg.size);
m_head = i_msg.msgflags;
m_sizeData = i_msg.size;
m_priority = (EVENT_PRIORITY)(m_head >> 5);
m_event = GetEventCode(i_msg.msg);
}
