keyboard.c

来自「ARM744b0GPIO代码」· C语言 代码 · 共 37 行

#include "44b.h"
#include "def.h"
#include "Zlg7289.h"
/*unsigned char KeyBoard_Map[]={4,8,11,0,0,0,0,0,5,9,
								12,15,1,0,0,0,6,10,13,16,
								2,3,0,0,7,0,14,0,0,0,
								0,0,0,0,0,0,0,0,0,0,
								0,0,0,0,0,0,0,0,0,0,
								0,0,0,0,0,0,0,0,0,0,
								0,0,0,0
								}; //64,键值映射表*/
unsigned char KeyBoard_Map[]={  0,0,0,0,12,8,4,0,0,0,
								0,15,11,7,3,0,0,0,0,14,
								10,6,2,0,0,0,0,13,9,5,
								1,0,0,0,0,0,0,0,0,0,
								0,0,0,0,0,0,0,0,0,0,
								0,0,0,0,0,0,0,0,0,0,
								0,0,0,0
								}; //64
U32 GetKey()
{
	U16 key;
	while(1)
	{
		while((rPDATG&ZLG7289_KEY));//有键按下
		key=Zlg7289_ReadKey();//得到按键扫描码
		if(key<=64)
		{//按键值有效
			key=KeyBoard_Map[key];//通过键盘映射表得到按键值
			break;
		}
		Delay(1000);
	}
	return key;
}