基于单片机PID算法控制电机转速设计-全套资料

Posted 2021-05-15 Mr song song

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#include <reg52.h>
#include "lcd1602.h"

sfr T2MOD = 0x0c9;
#define uchar unsigned char
#define uint unsigned int

sbit Q0 = P2^4;
sbit Q1 = P2^5;
sbit Q2 = P2^6;
sbit Q3 = P2^7;

sbit GORB	= P1^6; //换相
sbit PWM = P1^7;
sbit UP	= P1^0;
sbit DOWM	= P1^1;
sbit ADDSPEED = P1^2;
sbit SUBSPEED	= P1^3;

uint tuint = 65535;
uint tpwm = 1;	//pwm周期为10000us tpwm变量表示pwm高电平时间，也相当于占空比 (仿真时，频率高时，电机反应慢。在实物上要加大频率)
uchar t1_flag = 0;

uint pulse = 0;
uint t0_flag = 0;
uchar t2_flag = 0;
bit t2_over = 0;
bit Just_Get = 1;


#define 	ZZ 		{ Q0 = 0;Q1 = 0;Q2 = 1;Q3 = 1;}	//正转
#define 	FZ 		{ Q0 = 1;Q1 = 1;Q2 = 0;Q3 = 0;}	//反转
#define 	STOP	{ Q0 = 1;Q1 = 0;Q2 = 1;Q3 = 0;}	//停止
//禁止出现 Q0 = 0;Q1 = 1;Q2 = 0;Q3 = 1; 不然会烧掉mos管