PEAK-System Forum

Code: Select all

// Sends 5 standard messages over a client with handle 1.
//
StatusErrors status;
CommonObjectInfo[] toSend = new CommonObjectInfo[5];
UInt32 bytesWritten = 0;
for (int i = 0; i < 5; i++)
{
toSend[i] = new DataFrame();
DataFrame frame = toSend[i] as DataFrame;
frame.Timestamp = 0; // Message will be sent as soon as possible.
frame.Tag = 0; // Not used in this example.
frame.ClientHandle = 1; // Client with handle 1
frame.NetHandle = 2; // Net with handle 2
frame.MessageType = MessageTypes.Standard; // Standard 11-bit message
frame.ID = (uint)(0x100 + i); // CAN ID 0x100 to 0x104
frame.DLC = 8; // 8 data bytes
for (int j = 0; j < 8; j++)
frame.Data[j] = (byte)((i * 16) + j);
}
status = CanApi4.Write(PcanDevice.Usb, toSend, ref bytesWritten);
if (status != StatusErrors.Ok)
{
CanApi4.GetStatusText(status, out string errorText);
Console.WriteLine(String.Format("CanApi4.Write failed. Error: 0x{0,8:X} ({1})\n",
status, errorText));
}

Code: Select all

 StartTickCounter=GetTickCount();  
 received = false;
 
  do{
	// CAN Read calling and store all Information inside the CANArray
	i=g_CAN_Read(CANChannel, &CANRecvMsg, &CANTimestamp);

	if(i==PCAN_ERROR_OK){ // A CAN Message was read
		//Maybe better check here also the Msg.Type to be sure the Message is a real CAN Frame...
		// and check if it is the ID you are waitung for 
		if(CANRecvMsg.ID== MyNeeded_CAN_ID) // yes - thats what we wait for...
		{
			received=true;
			// do what ever you need to do ...
			CANArray[0]=CANRecvMsg.LEN;
			CANArray[1]=CANRecvMsg.MSGTYPE;
			for(i=0;i<CANRecvMsg.LEN;i++)
				CANArray[2+i]=CANRecvMsg.DATA[i];
		}
		else
		{
			//break;
		}
	}else // If no CAN Frame received - we wait for 1ms
		Sleep(1); //wait 1 ms ..if possible
	TickCounter=GetTickCount();
  }
  while( ((TickCounter-StartTickCounter)<100 && !received);