cancontroller.h

CAN例程 源码 CAN例程 源码

/* canController.h - CAN controller definitions for Wind River CAN Common Interface */

/* Copyright 2001 Wind River Systems, Inc. */

/* 
modification history 
--------------------
26dec01,lsg added TOUCAN (PPC5xx) related macros
09nov01,dnb modified for integration into Tornado
12jul01,jac written

*/

/* 

DESCRIPTION
This file contains CAN controller definitions for the 
CAN Common Interface.

*/

#ifndef CAN_CONTROLLER_H_
#define CAN_CONTROLLER_H_

/* change these definitions to exclude CAN controllers that you don't want */
#define INCLUDE_I82527
#define INCLUDE_SJA1000

#ifdef INCLUDE_MCP2510
#undef INCLUDE_MCP2510
#endif

#if (CPU == PPC555)
#define INCLUDE_TOUCAN
#endif

/* The CAN_ControllerType lists the available controllers */

#define WNCAN_I82527   1
#define WNCAN_SJA1000  2
#define WNCAN_TOUCAN   3    
#define WNCAN_MCP2510  4

typedef UINT WNCAN_ControllerType;

struct WNCAN_Controller
{
    WNCAN_ControllerType ctrlType;  /* type of controller */
    UCHAR                ctrlID;    /* handle identifier of this controller */
    UCHAR                brp;       
    UCHAR                sjw;  
    UCHAR                tseg1;
    UCHAR                tseg2; 
	UCHAR                samples;
    struct WNCAN_Device  *pDev;    /* pointer to parent CAN_Device structure */
    const UINT           *chnType; /* number of ways a message buffer can be configured */    
    UINT                 *chnMode; /* current way a message buffer is configured */
    UCHAR                numChn;   /* number of available channels */
    void                 *csData;  /* pointer to chip-specific data */    
};


/* function prototypes */
STATUS WNCAN_Controller_establishLinks(struct WNCAN_Device *pDev, 
    WNCAN_ControllerType ctrlType);

#endif /* CAN_CONTROLLER_H_ */