keyboard.h

驱动ADUC845进行AD采样

#include <stdlib.h>
#include <ADuC845.h>

#define uint8 unsigned char
#define uint16 unsigned int
#define uint32 unsigned long 
#define KEY_LENGTH 1      //接收的键值字节数

sbit CLK=P2^0;
sbit SL=P2^1;
sbit OUT=P2^2;
sbit CS=P2^3;