lut.h

一个基于arm的can通讯的源代码 目前还没有使用任何rtos 可以很方便的嵌入到任何rtos中去

// File		:LTU.h
// Describe	:LPC2119/2129/2194/2292/2294 CAN block driver.
// Author	:exdata
// Ver		:1.0
// Update	:2004.06.27
// Copyright:zlgmcu

// ============================== WARNING ==============================
//
// 							DO NOT EDIT THIS FILE!!!
//
// =====================================================================

#ifndef __LUT_H__
#define __LUT_H__

#include "CanPreDef.h"

#if !defined(__cplusplus)
#error C++ compiler required.
#endif

// GLOBAL ACCEPTANCE FILTER register.

#define REGAFMR         (*((volatile UINT32 *) 0xE003C000))      /* lpc2119\lpc2129\lpc2292\lpc2294 only */
#define REGSFF_sa       (*((volatile UINT32 *) 0xE003C004))      /* lpc2119\lpc2129\lpc2292\lpc2294 only */
#define REGSFF_GRP_sa   (*((volatile UINT32 *) 0xE003C008))      /* lpc2119\lpc2129\lpc2292\lpc2294 only */
#define REGEFF_sa       (*((volatile UINT32 *) 0xE003C00C))      /* lpc2119\lpc2129\lpc2292\lpc2294 only */
#define REGEFF_GRP_sa   (*((volatile UINT32 *) 0xE003C010))      /* lpc2119\lpc2129\lpc2292\lpc2294 only */
#define REGENDofTable   (*((volatile UINT32 *) 0xE003C014))      /* lpc2119\lpc2129\lpc2292\lpc2294 only */
#define REGLUTerrAd     (*((volatile UINT32 *) 0xE003C018))      /* lpc2119\lpc2129\lpc2292\lpc2294 only */
#define REGLUTerr       (*((volatile UINT32 *) 0xE003C01C))      /* lpc2119\lpc2129\lpc2292\lpc2294 only */

#define REGAFRAM        (*((volatile UINT32 *) 0xE0038000))      /* lpc2119\lpc2129\lpc2292\lpc2294 only */

////////////////////////////////////////////////////////////////////////////////////////////////////////

typedef struct tag_AF_SFF_CELL
{
	UINT32 UpId		:11;	// 11bit ID1
	UINT32 UpRsv	:1;		//
	UINT32 UpDis	:1;		// 禁能位
	UINT32 UpCh		:3;		// CAN控制器号
	
	UINT32 LoId		:11;	// 11bit ID0
	UINT32 LoRsv	:1;		//
	UINT32 LoDis	:1;		// 禁能位
	UINT32 LoCh		:3;		// CAN控制器号
}_AF_SFF_CELL,*P_AF_SFF_CELL;

typedef struct tag_AF_EFF_CELL
{
	UINT32 Id		:29;	// 29bit EFF ID
	UINT32 Ch		:3;		// CAN控制器号
}_AF_EFF_CELL,*P_AF_EFF_CELL;

typedef struct tag_AF_AUTOSTORE_MSG
{
	struct tag_Head
	{
		UINT32 ID	:11;
		UINT32 RSV5	:5;
		UINT32 DLC	:4;
		UINT32 RSV12:4;
		UINT32 SEM	:2;
		UINT32 RSV41:4;
		UINT32 RTR	:1;
		UINT32 FF	:1;	
	}Head;
	_CANDA da;
	_CANDB db;
}_AF_AUTOSTORE_MSG,*P_AF_AUTOSTORE_MSG;


enum LUT_BUILD_ERR
{
	LUT_SETTING_OK 			= 0,
	TOTAL_SIZE_TOO_LARGE 	= 1,
	FCAN_SIZE_TOO_LARGE		= 2,
	EFF_GRP_SIZE_INVALID	= 3,
	FCAN_STORE_SIZE_INVALID = 4,
	TABLE_CELL_TOO_LARGE	= 5,
	CELL_NUM_INVALID		= 6,
	CELL_CONTENT_INVALID	= 7
};


////////////////////////////////////////////////////////////////////////////////////

class CLUT
{
#if 0
protected:
	CLUT(){}	// could NOT construct explicitly!!!
#endif

public:
	static UINT32 AFBuildLUT(	UINT32 FCAN_nCell,
						UINT32 SFF_INDV_nCell,
						UINT32 SFF_GRP_nCell,
						UINT32 EFF_INDV_nCell,
						UINT32 EFF_GRP_nCell);

	static UINT32 AFInitFCANTab(_AF_SFF_CELL *pTab,UINT32 nCell);
	static UINT32 AFInitSFFIndvTab(_AF_SFF_CELL *pTab,UINT32 nCell);
	static UINT32 AFInitSFFGrpTab(_AF_SFF_CELL *pTab,UINT32 nCell);
	static UINT32 AFInitEFFIndvTab(_AF_EFF_CELL *pTab,UINT32 nCell);
	static UINT32 AFInitEFFGrpTab(_AF_EFF_CELL *pTab,UINT32 nCell);

	static void AFSetMode(UINT32 mode);
	static UINT32 GetLUTerrAd();
	static UINT32 AFReadFCANRxResurt(_AF_AUTOSTORE_MSG *pMsg,UINT32 IdIndex);
};

#endif