serial.h~

linux下用QT 做的串口编程工具,在linux下做串口调试有一定的参考价值

#ifndef __SERIAL_H_
#define __SERIAL_H_
#include     <stdio.h>
#include     <unistd.h>    
#include     <sys/types.h>  
#include     <sys/stat.h> 
#include     <sys/ioctl.h> 
#include     <fcntl.h>     
#include     <termios.h>    
#include     <errno.h>      
#include     <pthread.h>
typedef struct tty_info_t
{
    int fd;              
    pthread_mutex_t mt;   
    char name[24];       
    struct termios ntm;    
    struct termios otm;    
} TTY_INFO;

class Serial
{
 public:
    Serial( );
    ~Serial( );
    
    bool readyTTY(int fd); 
    int cleanTTY();
    
    int setTTYSpeed(int speed); 
    int setTTYParity(int databits,int parity,int stopbits);
    int recvnTTY(char *pbuf,int size);
    int sendnTTY(char *pbuf,int size);
    int unlockTTY(TTY_INFO *ptty);
    int lockTTY();
  
 private:
      
      TTY_INFO pttyInfo;
      TTY_INFO *ptty;
};
#endif //__SERIAL_H_