key7279.h

找了很久,这里的C8051F020的UCOS移植.020没有SFRPAGE. KEIL下的C8051F040的UCOS的源代码,用YY的改写的,增加了对页寄存器SFRPAGE和PSBANK寄存器的保

#ifndef _key_h_
#define _key_h_
#include <c8051f040.h>
#include <intrins.h>
#define uchar unsigned char

sbit clk7279=P5^5; 
sbit dat=P5^6; 
sbit key=P5^7;
void wbyte(uchar x);
void write7279b(uchar x);
void write7279w(uchar com,uchar shu);
void ddtq();
void keypend();
void play7279(uchar *p);
void qp7279(uchar *p);
void displ(uchar *p,uchar x);
uchar readkey();

#endif