中科因仑“3+1”工程特种兵精英论坛

标题: 键盘液晶显示 [打印本页]

作者: 张衍波 时间: 2015-4-8 13:33
标题: 键盘液晶显示
#define MAIN_C
#include "includes.h"
void main(void)
{
char key_code;
unsigned char x_position;
unsigned char *space = "                ";
Init_LCD();
//PORTD = 0xff;
//DDRD =  0xf0;
PORTA = 0xff;
DDRA  = 0xf8;
LCD_DisplayString(1,1,"key scan test");
x_position = 2;
while(1)
{
      key_code = read_keybord();
      //针对4X3的键盘
      switch(key_code)
      {
         case 1:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('1');
            break;
         case 2:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('2');
            break;
         case 3:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('3');
            break;
         case 4:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('4');
            break;
         case 5:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('5');
            break;
         case 6:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('6');
            break;
         case 7:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('7');
            break;
         case 8:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('8');
            break;
         case 9:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('9');
            break;
         case 10:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('*');
            break;
         case 11:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('0');
            break;
         case 12:
            LCD_Cursor(2,x_position);
            LCD_DisplayCharacter('#');
            break;
      }
      //delay_nms(10);
}
}
[attach]2130[/attach]

欢迎光临中科因仑“3+1”工程特种兵精英论坛 (http://bbs.enlern.com/)