|
|
using System;
|
|
|
using System.Collections.Generic;
|
|
|
using System.Linq;
|
|
|
using System.Text;
|
|
|
using System.Runtime.InteropServices;
|
|
|
|
|
|
namespace USB2XXX
|
|
|
{
|
|
|
class CAN_UDS
|
|
|
{
|
|
|
//CAN UDS地址定义
|
|
|
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
|
|
|
public struct CAN_UDS_ADDR
|
|
|
{
|
|
|
public UInt32 ReqID; //请求报文ID。
|
|
|
public UInt32 ResID; //应答报文ID。
|
|
|
public Byte Flag; //bit[0]-帧类型(0-标准帧，1-扩展帧),bit[1]-FDF(0-普通CAN帧，1-CANFD帧),bit[2]-BRS(0-CANFD帧不加速，1-CANFD帧加速)
|
|
|
public Byte AddrFormats; //0-normal, 1-extended ,2-mixed
|
|
|
public Byte AddrExt; //当AddrFormats不为normal时，该数据放到CAN数据域第1字节
|
|
|
public Byte MaxDLC; //普通CAN设置为8，CANFD帧可以最大设置为64
|
|
|
};
|
|
|
|
|
|
//函数返回错误代码定义
|
|
|
public const Int32 CAN_UDS_OK = 0;
|
|
|
public const Int32 CAN_UDS_TRAN_USB = -98;
|
|
|
public const Int32 CAN_UDS_TRAN_CAN = -99;
|
|
|
public const Int32 CAN_UDS_TIMEOUT_A = -100;
|
|
|
public const Int32 CAN_UDS_TIMEOUT_Bs = -101;
|
|
|
public const Int32 CAN_UDS_TIMEOUT_Cr = -102;
|
|
|
public const Int32 CAN_UDS_WRONG_SN = -103;
|
|
|
public const Int32 CAN_UDS_INVALID_FS = -104;
|
|
|
public const Int32 CAN_UDS_UNEXP_PDU = -105;
|
|
|
public const Int32 CAN_UDS_WFT_OVRN = -106;
|
|
|
public const Int32 CAN_UDS_BUFFER_OVFLW = -107;
|
|
|
public const Int32 CAN_UDS_ERROR = -108;
|
|
|
|
|
|
//USB2CAN相关函数定义
|
|
|
[DllImport("USB2XXX.dll")]
|
|
|
public static extern Int32 CAN_UDS_Request(Int32 DevHandle, Byte CANIndex, ref CAN_UDS_ADDR UDSAddr, Byte[] pReqData, Int32 DataLen);
|
|
|
[DllImport("USB2XXX.dll")]
|
|
|
public static extern Int32 CAN_UDS_Response(Int32 DevHandle, Byte CANIndex, ref CAN_UDS_ADDR UDSAddr, Byte[] pResData, Int32 TimeOutMs);
|
|
|
}
|
|
|
}
|