终端属性设置uart小实例

keypress.h文件

#ifndef _INCLUDE_KEYPRESS_H_
#define _INCLUDE_KEYPRESS_H_

#include <termios.h>

void set_keypress(void);
void reset_keypress(void);

#endif

keypress.c文件

#include <termios.h>

//===========================================================
//终端属性设置uart
//===========================================================
static struct termios old_settings;

void set_keypress(void)   //设置
{
    struct termios new_settings;

    tcgetattr(0, &old_settings);
    new_settings = old_settings;


    /* Disable canonical mode, and set buffer size to 1 byte */
    new_settings.c_lflag &= (~ICANON);
    new_settings.c_lflag &= (~ECHO);
    
    new_settings.c_cc[VTIME] = 0;
    new_settings.c_cc[VMIN] = 1;

    tcsetattr(0, TCSANOW, &new_settings);
    return;
}

void reset_keypress(void)//恢复
{
    tcsetattr(0, TCSANOW, &old_settings);
    return;
}