main.c

CAN通讯 基于ARM的can收发程序

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			main.c
** Last modified Date:  2004-09-16
** Last Version:		1.0
** Descriptions:		The main() function example template
**
**------------------------------------------------------------------------------------------------------
** Created by:			Chenmingji
** Created date:		2004-09-16
** Version:				1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
**
********************************************************************************************************/
#include "config.h"
#include "IncludeCAN.h"
#define Led 2
int main (void)
{
	// add user source code
	INT8U statue;
	InitCAN(CAN1);
	ConfigAFReg();
	//结束初始化
	while (1)
	{
	
		INT8U PointTemp;
		INT32U DataTemp;
		if ((CANRcvCyBufApp[CAN1].WritePoint != CANRcvCyBufApp[CAN1].ReadPoint)||CANRcvCyBufApp[CAN1].FullFlag)
		{
			PointTemp = CANRcvCyBufApp[CAN1].ReadPoint;
			
			DataTemp = CANRcvCyBufApp[CAN1].RcvBuf[PointTemp].RDA.Word;
	
		 if(DataTemp==0x00000030)
		      {
		       CANRcvCyBufApp[CAN1].RcvBuf[PointTemp].RDA.Word =0x11111111;
			   CANRcvCyBufApp[CAN1].RcvBuf[PointTemp].RDB.Word =0x11111111;
		       PINSEL2=0x00000030;
			   IO1DIR=Led;
              IO1SET=Led;
              
			   }
		//if(DataTemp!=0x00000030)
		  else
		      {
		       CANRcvCyBufApp[CAN1].RcvBuf[PointTemp].RDA.Word = 0xffffffff;
			   CANRcvCyBufApp[CAN1].RcvBuf[PointTemp].RDB.Word = 0xffffffff;
		      PINSEL2=0x00000030;
			   IO1DIR=Led;
              IO1CLR=Led;
              
			   }
			//
			statue = CANSendData (CAN1,NOM,&CANRcvCyBufApp[CAN1].RcvBuf[PointTemp]);
			if (statue == 0)
			{
				//*************调整环形缓冲数据读指针*********************
			if (++CANRcvCyBufApp[CAN1].ReadPoint >= USE_CAN_cycRCV_BUF_SIZE)
				{
					CANRcvCyBufApp[CAN1].ReadPoint = 0;
				}
				CANRcvCyBufApp[CAN1].FullFlag = 0;
				//********************************************************
			}
			
		}
	}
    return 0;
}
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**                            End Of File
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