scomm.h

linux下的串口测试程序

#ifndef _SCOMM_H_
#define _SCOMM_H_

#include <assert.h>
#include <termios.h>
#include <unistd.h>

class scomm
{
public:
	scomm();
	virtual ~scomm();

	int  open(const char *dev);
	void set_baud(int baud);
	bool set_parity(int parity='N', int databits=8,int stopbits=1);
	int  close();

	int  read(void *buf, int size, int timeout=-1);
	int  write(const void *buf, int size);

	void attach(int fd) { _fd = fd; }
	int  fd() { return _fd; }

protected:
	char _device[33];
	int _fd;
	struct termios _term;
};

inline int scomm::write(const void *buf, int size)
{
//	assert(_fd >= 0);
	return _fd >= 0 ? ::write(_fd, buf, size) : -1;
}

#endif // _SCOMM_H_

// vim: ai