#include #define uchar unsigned char #define uint unsigned int sbit KEY1= P3^4; sbit KEY2= P3^5; sbit KEY3= P3^6; sbit IN1 = P1^0; sbit IN2 = P1^1; sbit ENA = P1^2; ldata=0x80; sfr sbit dula=P2^6; sbit wela=P2^7; //sbit lcden=P3^4; //uchar timer,ms,t_set = 1; uchar T_N=100; uchar T_N1=100; uchar T_H_N=50; uchar T_H_N1=50; void msplay(uchar,uchar); uchar x1[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x27,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; //uchar x2[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xd8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e}; uchar code //uchar code x4[]={0x01,0x02,0x04,0x08,0x10,0x20}; x3[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf}; code code // 延时函数 void delay(uint z) { uint x; for(x=z;x>0;x--); } 

void Key_Scan() { if(KEY1== 0) { delay(20); while(!KEY1); T_H_N++; if(T_H_N >=99) { T_H_N=99; } } if(KEY2== 0) { delay(20); while(!KEY2); T_H_N--; if(T_H_N <= 1) { T_H_N= 1; } } if(KEY3== 0) { delay(15); while(!KEY3); IN1=~IN1; IN2=~IN2; } } void Motor_Init() { ENA = 0; IN1 = 1; 

IN2 = 0; } void Timer0_Init() { TMOD=0X12; TH0=(256-50); TL0=(256-50); TH1=(65535-T_H)/256; TL1=(65535-T_H)%256; EA=1; // // ET0=1; TR0=1; } void main() { uchar k3,k2,k1,k0; Timer0_Init(); Motor_Init(); while(1) { k2=T_H_N/10;k3=T_H_N%10; k1=0;k0=0; msplay(k0,2); msplay(k1,3); msplay(k2,4); msplay(k3,5); Key_Scan(); } } 

void timer0() interrupt 1 { // // TR0=0; TH0=(65536-50)/256; TL0=(65536-50)%256; T_H_N1--; if(0==T_H_N1) { ENA=0; T_H_N1=1; } T_N1--; if(T_N1==0) { ENA=1; T_N1=100; T_H_N1=T_H_N; } TR0=1; } void msplay(uchar y1,uchar y2) { ldata = x1[y1]; dula=1; dula=0; delay(1); ldata = x3[y2]; wela=1; wela=0; delay(1); ldata = 0x00; dula=1; dula=0; delay(1); 

ldata = 0x0ff; wela=1; wela=0; delay(1); }