void GetErrorInfo()
{
CAN_ERR_INFO errorInfo = new CAN_ERR_INFO();
ECANStatus readErrResult = ECANDLL.ReadErrInfo(deviceType, useCANIndex, useCANIndex, out errorInfo);
if (readErrResult != ECANStatus.STATUS_OK)
{
Logger.logError("无法读取CAN错误！");
return;
}
if (errorInfo.ErrCode == 0)
{
Logger.logError("存在未知CAN错误！");
}
else
{
Logger.logError("存在以下CAN错误:");
Logger.print("------------ECAN错误开始------------");
foreach (uint errKey in errExplain.Keys)
{
if ((errKey & errorInfo.ErrCode) > 0)
{
Logger.print(errExplain[errKey]);
}
}
Logger.print("------------ECAN错误结束------------");
}
}
protected override void ReceiveData()
{
if (GetReceivedCount() <= 0)
{
return;
}
CAN_OBJ buffer = new CAN_OBJ();
ECANStatus getStatus = ECANDLL.Receive(
deviceType, useDeviceIndex, useCANIndex, ref buffer, 1, 20);
if (getStatus == ECANStatus.STATUS_OK)
{
Push(new CANData((int)buffer.ID, buffer.data));
}
// Or else you can get error info as you want
}
public static void ThrowIfError(ECANStatus status, UInt32 deviceType, UInt32 deviceIndex, UInt32 channel)
{
if (status != ECANStatus.STATUS_OK)
{
CAN_ERR_INFO errorInfo;
if (ReadErrInfo(deviceType, deviceIndex, channel, out errorInfo) == ECANStatus.STATUS_OK)
{
switch (errorInfo.ErrCode)
{
case 0x0100:
throw (new Exception("Device already open"));
case 0x0200:
throw (new Exception("Open device error"));
case 0x0400:
throw (new Exception("Device did not open"));
case 0x0800:
throw (new Exception("Buffer overflow"));
case 0x1000:
throw (new Exception("Device not exist"));
case 0x2000:
throw (new Exception("Load dll failure"));
case 0x4000:
throw (new Exception("Execute the command failure error"));
case 0x8000:
throw (new Exception("Insufficient memory"));
case 0x0001:
throw (new Exception("CAN controller FIFO overflow"));
case 0x0002:
throw (new Exception("CAN controller error alarm"));
case 0x0004:
throw (new Exception("CAN controller passive error"));
case 0x0008:
throw (new Exception("CAN controller arbitration lose"));
case 0x0010:
throw (new Exception("CAN controller bus error"));
case 0x0020:
throw (new Exception("CAN receive register full"));
case 0x0040:
throw (new Exception("CAN receive register overflow"));
case 0x0080:
throw (new Exception("CAN controller active error"));
default:
throw (new Exception(String.Format("Unknown GCAN error ({0})", errorInfo.ErrCode)));
}
}
}
}
