16.h

led点阵显示屏汉字滚动显示C程序

#include<reg52.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int 
#define nops() {_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();}

sbit led=P3^2;

sbit kt1  =P1^0;
sbit kt2  =P1^1;
sbit kt3  =P1^2;
sbit kt4  =P1^3;
sbit kt5  =P1^4;
sbit kt6  =P1^5;
sbit kt7  =P1^6;
sbit kt8  =P1^7;

/*上面行控制138*/ 
sbit H_138_EAS=P2^7;	 //138使能输出 0为开 1为关
sbit H_138_AS =P2^6;	 //138 A
sbit H_138_BS =P2^5;	 //138 B
sbit H_138_CS =P2^4;	 //138 C

/*下面行控制138*/  
sbit H_138_EAX=P2^3;	 //138使能输出 0为开 1为关
sbit H_138_AX =P2^2;	 //138 A
sbit H_138_BX =P2^1;	 //138 B
sbit H_138_CX =P2^0;	 //138 C

/*DM134列控制信号*/
sbit dat   = P0^6;   //上面DM134数据                                                  
sbit clock = P0^7;   //DM134时钟                                                  
sbit rck   = P3^6;	 //DM134锁存输出
sbit EA_134= P3^7;   //DM134使能输出 0为开 1为关

extern void start(void); //单片机初始化

extern void Send595(uchar data1); //发595数据并不打开输出