sdb.c

Linux下对串口进行编程

/*
 * File         : sdb.c
 * Date         : 2002-04-20
 * Author       : yfy001
 * Description  : Serial Debugger 
 * Copyright (C) 2001, 2002  yfy001
 */
#include <stdio.h>              // printf
#include <fcntl.h>              // open
#include <string.h>             // bzero
#include <stdlib.h>             // exit
#include <sys/times.h>          // times
#include <unistd.h>             // read, write, close
#include <sys/stat.h>           // lstat

#include "types.h"
#include "tty.h"
#include "args.h"
#include "cmd.h"

static pkginfo_t pkginfo = {
    "sdb",                      // program 
    "serutils",                 // package 
    "0.0.6",                    // version 
    "yfy001",                // author 
    0                           // reserved 
};

static portinfo_t portinfo = {
    0,                          // print prompt after receiving
    115200,                     // baudrate: 115200
    8,                          // databit: 8
    0,                          // debug: off
    0,                          // echo: off
    1,                          // flow control: hardware
    0,                          // tty: /dev/ttyS0
    0,                          // parity: none
    1,                          // stopbit: 1
    0                           // reserved
};

static args_t args = { &pkginfo, &portinfo };
p_args_t p_args = &args;

int main(int argc, char *argv[])
{
    args_parse(argc, argv, 0);
    // open comport 
    atexit(tty_close);
    if (tty_open(p_args->p_portinfo)) {
        fprintf(stderr,
                "Make sure /dev/ttyS%d "
                "not in use or you have enough privilege.\n\n",
                p_args->p_portinfo->tty);
        exit(-1);
    }
    cmd();
    exit(0);
}