public bool Execute(int canId, int hostId, List <byte> appData)
{
switch (WorkState)
{
case WorkStateEnum.Idle:
InitFramesToSend(appData);
WorkState = WorkStateEnum.Send;
CanId = canId;
HostId = hostId;
if (appData.Count > 1)
{
SuppressResp = ((byte)0x80 & appData[1]) != 0;
}
else
{
SuppressResp = false;
}
return(false);
case WorkStateEnum.Send:
return(Send());
case WorkStateEnum.Receive:
return(Receive());
default:
throw new InvalidOperationException("DcmTpProtocalISO15765.Send: Unknown work " +
"state -> " + WorkState.ToString());
}
}
public ReceiveResult Receive(int hostId, List <byte[]> frames)
{
switch (WorkState)
{
case WorkStateEnum.Idle:
return(ReceiveSFOrFF(hostId, frames));
case WorkStateEnum.SendFlowControlFrame:
return(SendFlowControl());
case WorkStateEnum.ReceiveConsecutiveFrame:
return(ReceiveConsecutiveFrame());
default:
throw new InvalidOperationException("DcmTpProtocalISO15765Receiver: Unknown " +
"Work State: " + WorkState.ToString());
}
}
private bool Receive()
{
var result = receiver.Receive(CanId, FramesReceived);
bool ret = false;
switch (result)
{
case DcmTpProtocalISO15765Receiver.ReceiveResult.Ok:
DcmTpHandleResult = DcmTpHandleResult.OK;
// 解包数据
AppDataReceived = DcmTpProtocalISO15765Packer.Unpack(FramesReceived);
Reset();
ret = true;
break;
case DcmTpProtocalISO15765Receiver.ReceiveResult.Working:
ret = false;
break;
case DcmTpProtocalISO15765Receiver.ReceiveResult.Fail:
DcmTpHandleResult = DcmTpHandleResult.FailWithReceive;
Reset();
ret = true;
break;
default:
throw new InvalidOperationException("DcmTpProtocalISO15765.Send: Unknown work " +
"state -> " + WorkState.ToString());
}
if (!ret)
{
// 检测接收超时
if (ReceiveTimeoutCheck && (stopwatch.ElapsedMilliseconds >= ReceiveTimeout))
{
DcmTpHandleResult = DcmTpHandleResult.FailWithReceiveTimeout;
Reset();
return(true);
}
}
return(ret);
}
private bool Send()
{
var result = sender.Send(CanId, FramesToSend);
switch (result)
{
case DcmTpProtocalISO15765Sender.SendResult.Ok:
return(OnSendOk());
case DcmTpProtocalISO15765Sender.SendResult.Working:
return(false);
case DcmTpProtocalISO15765Sender.SendResult.Fail:
DcmTpHandleResult = DcmTpHandleResult.FailWithSend;
Reset();
return(true);
default:
throw new InvalidOperationException("DcmTpProtocalISO15765.Send: Unknown work " +
"state -> " + WorkState.ToString());
}
}
public SendResult Send(int canId, List <byte[]> frames)
{
// 一次只能执行一次事务
if ((WorkState != WorkStateEnum.Odle) && (frames != Frames))
{
return(SendResult.Fail);
}
switch (WorkState)
{
case WorkStateEnum.Odle:
return(SendSFOrFF(canId, frames));
case WorkStateEnum.WaitFlowControlFrame:
return(ReceiveFlowControlFrame());
case WorkStateEnum.SendConsecutiveFrame:
return(SendConsecutiveFrame());
default:
throw new ArgumentException("DcmTpProtocalISO15765Sender:Unkno" +
"wn Work State: " + WorkState.ToString());
}
}
