串口通信comport.h

时间：2010-06-07 来源：长江货郎

#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <fcntl.h>
#include <errno.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <sys/signal.h>
#include <sys/types.h>
#define  BUF_32  32
#define  BUF_64  62
typedef struct __COM_PORT
{
unsigned char  databit, parity, stopbit, flowctrl, is_connted;
long   baudrate;
char   dev_name[BUF_64];
int   fd_com;
int   frag_size;
}COM_PORT;
//#define DEBUG #ifdef DEBUG
   #define dbg_print(format,args...) printf(format, ##args)
#else
   #define dbg_print(format,args...) do{} while(0);
#endif
void init_comport(COM_PORT *comport);
void set_setting(char *set, COM_PORT *comport);
void disp_setting(COM_PORT *comport);
void nonblock ();
int kbhit ();
unsigned char comport_recv ( COM_PORT *comport, unsigned char *buf, int buf_size,
                               int *recv_bytes, unsigned long timeout);
unsigned char comport_send (COM_PORT *comport, unsigned char *buf, int send_bytes);

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