关于c中的bioscom问题 [英] about bioscom problem in c

问题描述

你好，

i有一个问题，我使用bioscom函数，但它不能正常工作，biosocm的示例代码也不能正常工作，我的comp规范是windows 7 -32位，编译器是turbo c dos box -16 bit。



- 这是代码，问题是这个代码无法访问com端口我的电脑。

hello ,
i have a question that i m using a bioscom function but it is not work properly , sample code of biosocm is also not work properly, my comp spec is windows 7 -32 bit, compiler is turbo c dos box -16 bit.

--here is the code ,and the problem is this that this code can't b able to acess the com port of my pc.

#include<conio.h>
#include <stdio.h>
#define COM1 0
#define DATA_READY 0x100
#define SETTINGS ( 0x80 | 0x02 | 0x00 | 0x00)
int main(void)
{
     int in, out, status;
     bioscom(0, SETTINGS, COM1); /*initialize the port*/
    printf("Data sent to you: ");
    while (1)
    {
         status = bioscom(3, 0, COM1); /*wait until get a data*/
         if (status & DATA_READY)
         if ((out = bioscom(2, 0, COM1) & 0x7F) != 0) /*input a data*/
         putch(out);
         if (kbhit())
         {
              if ((in = getch()) == 27) /* ASCII of Esc*/
              break;
              bioscom(1, in, COM1); /*output a data*/
         }
    }
    return 0;
}

提前感谢

thanks in advance

推荐答案

参见http://flounder.com/serial.htm [ ^ ]用于在Windows中使用串行I / O的正确方法。

See http://flounder.com/serial.htm[^] for the correct method of using serial I/O in Windows.

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