uart.h

在基于ARM处理器的Liunx系统下的开放板上实现摄像头图像采集

#ifndef __uart_h__
#define __uart_h__

#include <stdio.h>              // printf
#include <fcntl.h>              // open
#include <string.h>             // bzero
#include <stdlib.h>             // exit
#include <sys/times.h>          // times
#include <sys/types.h>          // pid_t
#include <termios.h>		//termios, tcgetattr(), tcsetattr()
#include <unistd.h>
#include <sys/ioctl.h>          // ioctl

typedef struct{
	char	prompt;		//prompt after reciving data
	int 	baudrate;		//baudrate
	char	databit;		//data bits, 5, 6, 7, 8
	char 	debug;		//debug mode, 0: none, 1: debug
	char 	echo;			//echo mode, 0: none, 1: echo
	char	fctl;			//flow control, 0: none, 1: hardware, 2: software
	char 	tty;			//tty: 0, 1, 2, 3, 4, 5, 6, 7
	char	parity;		//parity 0: none, 1: odd, 2: even
	char	stopbit;		//stop bits, 1, 2
	const int reserved;	//reserved, must be zero
}portinfo_t;

char *get_ptty(pportinfo_t pportinfo);
int convbaud(unsigned long int baudrate);
int PortSet(int fdcom, const pportinfo_t pportinfo);
int PortOpen(pportinfo_t pportinfo);
void PortClose(int fdcom);
int PortSend(int fdcom, char *data, int datalen);
int PortRecv(int fdcom, char *data, int datalen, int baudrate)
#endif