txst1.c

直流电机的驱动及1602LCD显示电子表

#include<reg52.h>  
#define uchar unsigned char  
#define uint unsigned int  
sbit KEY1 = P2^5; 
sbit KEY2 = P2^6; 
sbit KEY3 = P2^7; 
sbit IN1 = P1^0; 
sbit IN2 = P1^1; 
sbit ENA = P1^2; 
sfr  ldata=0x80; 
   
uchar T_N=100; 
uchar T_N1=100; 
uchar T_H_N=50; 
uchar T_H_N1=50; 
void msplay(uchar,uchar); 
uchar code 
x1[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x27,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; 
x2[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xd8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e}; 
uchar code x3[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf}; 
void delay(uint z)   //延时函数 
{ 
  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); 
  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; 
  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]; 
 
 delay(1); 
 ldata = x3[y2]; 

 delay(1); 
 ldata = 0x00; 

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