main.c

基于LPC2119 CanBus通讯程序

/*

 *
 *  Copyright (C) 2003 liyq ( [e-mail] )
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.1
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "can.h"

int c_entry()
{
  /*MCU_INIT,SJA_INIT*/
    int i,n,flag;
    unsigned char temp_data[8],data;
    unsigned char buf[8];
   
    for(i=0;i<8;i++)
    {
       temp_data[i]=0;
    }
    Uart2Init();
    CanInit();
    for(i=0;i<100;i++);
    n = 0;
    for(;;)
    {   
    	int j=0; 
      	flag= CanReceive(buf); 
	//flag=1;
       	if(flag){
       		for(i=0;i<8;i++)
       			uart2_putc(buf[i]);
       	}


     for(;;){
        j=uart2_readc(&data);
        if(j==1){
            temp_data[n]=data;         //从串口接收一个数据
            j=0;
            n++;
        }else
            break;
        if(n==8)
            break;
     }
        
       
        if(n==8){
            CanSend(temp_data);
       	    n = 0;
        }


    }
}