testcan232.c

CAN-bus与RS232转换器在linux操作系统下实现

//build command line: gcc -lcontrolcan -lpthread -o testpci51xx testpci51xx.c


#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <pthread.h>
#include "controlcan.h"


void *receive_func(void* param)  
{
	int reclen=0;
	VCI_CAN_OBJ rec[100];
	int i;
	
	int *run=(int*)param;
	
	while(*run)
	{
		if((reclen=VCI_Receive(VCI_CAN232,1,0,rec,100,100))>0)
		{
			printf("IND:%d Receive: %08X",1,rec[reclen-1].ID);
			for(i=0;i<rec[reclen-1].DataLen;i++)
			{
				printf(" %08X",rec[reclen-1].Data[i]);
			}
			printf("\n");
			
		}	
		
	}
	printf("run thread exit\n");
	
	pthread_exit(0);
}


main()
{
	//打开串口1
	if(VCI_OpenDevice(VCI_CAN232,1,0)!=1)
	{
		printf("open deivce error\n");
		goto ext;
	}
	VCI_INIT_CONFIG config;
	config.AccCode=0;
	config.AccMask=0xffffffff;
	config.Filter=1;
	config.Mode=0;

	config.Timing0=0x00;
	config.Timing1=0x14;

	
	if(VCI_InitCAN(VCI_CAN232,1,0,&config)!=1)
	{
		printf("init CAN error\n");
		goto ext;
	}

	if(VCI_StartCAN(VCI_CAN232,1,0)!=1)
	{
		printf("Start CAN error\n");
		goto ext;
	}

	VCI_CAN_OBJ send[1];
	send[0].ID=0;
	send[0].SendType=2;
	send[0].RemoteFlag=0;
	send[0].ExternFlag=1;
	send[0].DataLen=8;
	
	int i=0;
	
	for(i=0;i<send[0].DataLen;i++)
	{
		send[0].Data[i]=i;
	}

	
	
	int m_run0=1;

	pthread_t threadid;
	
	int ret;
	ret=pthread_create(&threadid,NULL,receive_func,&m_run0);
		
	int times=1000;
	time_t tm1,tm2;
	time(&tm1);
	while(times--)
	{
		if(VCI_Transmit(VCI_CAN232,1,0,send,1)>0)
		{
			printf("Send: %08X",send[0].ID);
			for(i=0;i<send[0].DataLen;i++)
			{
				printf(" %08X",send[0].Data[i]);
			}
			printf("\n");
			send[0].ID++;
		}
		else
			break;
	}

	time(&tm2);
	
	usleep(100);
	
	printf("minute:%d   second:%d\n",(tm2-tm1)/60,(tm2-tm1)%60);

	char tk;
	scanf("%c",&tk);

	m_run0=0;
	pthread_join(threadid,NULL);

ext:	
	VCI_CloseDevice(VCI_CAN232,1);
}