des_mc33902.c

BCM 控制demo源代码

/*******************************************************************************/
/**
Copyright (c) 2007 Freescale Semiconductor
\file       des_MC33902.c
\brief      Functions for basic high speed CAN interface (MC33902) handling 
\author     Freescale Semiconductor
\author     B05114
\version    0.1
\date       May/2007
*/
/*******************************************************************************/

/** Variable types and common definitions */
#include "typedefs.h"   

/** GPIO definitions */
#include "lle_GPIO.h"   

/** SBC definitions */
#include "des_MC33902.h"
   
#include "lle_TIME.h"

/*******************************************************************************/
/**
* \brief    Sets all CAN interfaces in the same operating mode
* \author   RC574C
* \param    u8Mode: Code for operating mode as defined in des_MC33902.h:  \n
            HSCAN_NORMAL, HSCAN_LISTEN_ONLY, HSCAN_STANDBY, HSCAN_SLEEP
* \return   void
*/
void des_MC33902_SetMode(UINT8 u8Mode)
{                  
    switch(u8Mode){
    
        case HSCAN_NORMAL:
            CAN0_EN	= 1;
	        CAN0_NSTB = 1;
	
            CAN1_EN	= 1;
	        CAN1_NSTB = 1;
	
            CAN2_EN	= 1;
  	        CAN2_NSTB = 1;
	
            CAN4_EN	= 1;
  	        CAN4_NSTB = 1;
            break;
        
        case HSCAN_LISTEN_ONLY:
            CAN0_EN	= 0;
	        CAN0_NSTB = 1;
	
            CAN1_EN	= 0;
	        CAN1_NSTB = 1;
	
            CAN2_EN	= 0;
  	        CAN2_NSTB = 1;
	
            CAN4_EN	= 0;
  	        CAN4_NSTB = 1;    
            break;
        
        case HSCAN_SLEEP:
            CAN0_NSTB = 0;
            lle_Delay100us();	
	        CAN0_EN	= 0; 
	
        	CAN1_NSTB = 0;
  	        lle_Delay100us();	
	        CAN1_EN	= 0; 
	
	        CAN2_NSTB = 0;
  	        lle_Delay100us();
	        CAN2_EN	= 0; 
	 
	        CAN4_NSTB = 0;
	        lle_Delay100us();
	        CAN4_EN	= 0;
            break;
        
        default:
            break;
    }    
}

/*******************************************************************************/