(精品)51单片机控制直流电机PWM调速C语言程序.pdf

#include<reg52.h>

#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;

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};

//uchar code

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};

//uchar code x4[]={0x01,0x02,0x04,0x08,0x10,0x20};