public CANError DecodePacket(byte[] buff, ref CANPacket packet)
{
CANError errorcode = CANError.CAN_ERROR_NONE;
UInt32 extendedID = ((UInt32)buff[0] << 24) + ((UInt32)buff[1] << 16) + ((UInt32)buff[2] << 8) + (UInt32)buff[3];
packet.Packet_type = (CANPacket.Pkt_Type_t)((extendedID >> 24) & 0x03);
packet.Packet_id = ((extendedID >> 16) & 0x0F);
packet.Source_address = (extendedID >> 8) & 0xFF;
packet.Destination_address = extendedID & 0xFF;
int idx = 4;
packet.Length = buff[idx++];
if (packet.Length > CANPacket.BufferSize)
{
return(CANError.CAN_ERROR_LENGTH);
}
for (int i = 0; i < packet.Length; i++)
{
packet.Buffer[i] = buff[idx++];
}
return(errorcode);
}
/// <summary>
/// 显示错误信息对话框
/// </summary>
/// <param name="index">通道索引(从 0 开始)</param>
/// <param name="error">错误码</param>
public static void ShowErrorDialog(ref Int32 index, ref CANError error)
{
CanInteraction.CANError(index, error);
}
public static extern void CANError(Int32 index, CANError error);