ecan.h

基于TI公司DSP2812 CAN 通讯C源码

#ifndef ECAN_H
#define ECAN_H

#define DB_MAX	128

struct  TXMSGID {        // bits  description
   Uint16      nAddr:16;
   Uint16      nComm:6;
   Uint16      rsvd3:2;
   Uint16      nFramId:4;
   Uint16      bFram:1;
   Uint16      AAM:1;
   Uint16      AME:1;
   Uint16      IDE:1;
 
};
union TXMSGID_REG {
   Uint32                all;
   struct TXMSGID  bit;
};
//#define XS_LENGTH 6
struct  TxCommand_bit 
{  
   Uint16      wr_Addr:1;
   Uint16      wr_xs:6;
   Uint16      rd_xs:6;   
   Uint16      wr_adctrl:6;
   Uint16      rd_adctrl:6;
   Uint16      rd_real_data:6;
   Uint16      rd_db_data:6;
   Uint16      rd_dreal_data:6;
   Uint16      stop_db_data_sent:6;
   Uint16 		rd_Offset_data;
   Uint16		rd_dreal_Offset_data;
  	Uint16  		db_data_sent_wait_time_flag:1;
  // Uint16 		nCurrentDbSentPos:16;
  // Uint16      wr_adCommand:5; 
//   Uint16      nCurrentDbPos:16;
};
union TxCommand_REG {
	Uint32                all[3];
   struct TxCommand_bit  bit;
};
struct  ERRFLAG_bit {        // bits  description
	Uint16	bHaveOneDbFlag:1;
	Uint16	bDbWillFullFlag:1;
	Uint16	bDbHaveDataFlag:1;
	Uint16	bDbHaveBreakFlag:1;
	
	Uint16   x5043_err:1;    
   Uint16   ad_err:1;
   Uint16 	ad_isr_err:1;
   Uint16 	can_isr_err:1;
   Uint16	time_isr_err:1;
   
   Uint16 	x5043_save:1;
   Uint16 	rsvd1:1;  
 //0:wr adr,1-4:xs wr,5-8:xs rd
};
union ERRFLAG_REG {
   Uint32                all;
   struct ERRFLAG_bit 	 bit;
};

struct  ADCTRL {        
   Uint32      nBeginTimeJG; 
   int16      nBeginL;
   int16      nEndL;
   int16      nMinPoint;
   int16      nBeginU;
   int16      nEndU;
   //---------
   Uint16      bBgeingFlag;
   Uint32      bLastPointTime;
   Uint16      nPointCount;
   
 //0:wr adr,1-4:xs wr,5-8:xs rd
};
struct SYSCHECK
{
	
   Uint16 	ad_isr_flag;
   Uint16 	can_isr_flag;
   Uint16 	time_isr_flag;
   
   
   
   Uint16   ad_err_Time;
   Uint16 	ad_isr_err_Time;
   Uint16 	can_isr_err_Time;
   Uint16 	time_isr_err_Time;
   //--------------------------
   Uint32	CanLedCtrlTime;
};

extern struct SYSCHECK sTsysErrCheck;
extern struct  ADCTRL  stAdCtrl; 

extern  int nAdresultDb[DB_MAX][29];
extern  int nAdresult[20];
extern  unsigned int nAdData[20*5];

extern void initCanData();
extern void AnyEcan();
extern void InitECanaMboxesMBOX_MSGID( unsigned int addr);
#endif