/*
* Adds the messages to the output box
*/
private void ProcessMessage(object sender, ProgressChangedEventArgs e)
{
if (e.ProgressPercentage == 0)
{
//DumpMessage dumpMessage = (DumpMessage)e.UserState;
//DumpMessage(dumpMessage.id, dumpMessage.data, dumpMessage.dlc, dumpMessage.flags, dumpMessage.time);
}
else if (e.ProgressPercentage == 1)//接收指定ID报文
{
DumpMessage dumpMessage = (DumpMessage)e.UserState;
DumpMessage(dumpMessage.id, dumpMessage.idStr, dumpMessage.data, dumpMessage.dlc, dumpMessage.flags, dumpMessage.time);
}
else
{
CheckStatus("Reading", (Canlib.canStatus)e.UserState);
}
}
/*
* Looks for messages and sends them to the output box.
*/
private void DumpMessageLoop(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
Canlib.canStatus status;
int id;
byte[] data = new byte[8];
int dlc;
int flags;
long time;
bool noError = true;
var msg = "";
//Open up a new handle for reading
readHandle = Canlib.canOpenChannel(channel, Canlib.canOPEN_ACCEPT_VIRTUAL);
status = Canlib.canBusOn(readHandle);
while (noError && onBus && readHandle >= 0)
{
#region 接收指定ID报文
var message = new byte[8];
var idRS16 = Convert.ToInt32(idBox.Text, 16);
var idRS = Convert.ToInt32(idBox.Text);
status = Canlib.canReadSpecific(readHandle, idRS16, message, out int dlcRS, out int flagRS, out long timeRS);
if (status == Canlib.canStatus.canOK)
{
DumpMessage dumpMessage = new DumpMessage();
if ((flagRS & Canlib.canMSG_ERROR_FRAME) == Canlib.canMSG_ERROR_FRAME)
{
//msgRS = "ERROR FRAME RECEIVED" + Environment.NewLine;
}
else
{
dumpMessage.id = idRS16;
dumpMessage.idStr = idBox.Text;
dumpMessage.dlc = dlcRS;
dumpMessage.data = message;
dumpMessage.flags = flagRS;
dumpMessage.time = timeRS;
}
//Sends the message to the ProcessMessage method
worker.ReportProgress(1, dumpMessage);
}
else if (status != Canlib.canStatus.canERR_NOMSG)
{
//Sends the error status to the ProcessMessage method and breaks the loop
worker.ReportProgress(100, status);
}
#endregion
#region 接收所有报文
//status = Canlib.canReadWait(readHandle, out id, data, out dlc, out flags, out time, 50);
//if (status == Canlib.canStatus.canOK)
//{
// DumpMessage dumpMessage = new DumpMessage();
// if ((flags & Canlib.canMSG_ERROR_FRAME) == Canlib.canMSG_ERROR_FRAME)
// {
// //msg = "***ERROR FRAME RECEIVED***" + Environment.NewLine;
// }
// else
// {
// dumpMessage.id = id;
// dumpMessage.dlc = dlc;
// dumpMessage.data = data;
// dumpMessage.flags = flags;
// dumpMessage.time = time;
// }
// //Sends the message to the ProcessMessage method
// worker.ReportProgress(0, dumpMessage);
//}
//else if (status != Canlib.canStatus.canERR_NOMSG)
//{
// //Sends the error status to the ProcessMessage method and breaks the loop
// worker.ReportProgress(100, status);
// noError = false;
//}
#endregion
}
Canlib.canBusOff(readHandle);
}