1273 Based on single-chip microcomputer PID motor speed control design - complete course design materials
/*****************************************************************************************
*文件名：pid.c
*文件描述：PID控制电机转速
*****************************************************************************************/
#include <reg51.h>
#include <intrins.h>
sbit plus_10=P1^3; //对各个按钮进行位定义
sbit minus_10=P1^4;
sbit plus=P1^5;
sbit minus=P1^6;
sbit enter=P1^7;
sbit PWM_OUT1=P1^1;
sbit PWM_OUT2=P1^0;
sbit dir=P1^2;
struct PID //定义PID结构体
{
int SetValue; //设定值
// long SumError; //误差
double Proportion; //比例系数
double Integral; //积分系数
double Derivative; //微分系数
int LastError;
int PrevError;
}sPID,*sptr= &sPID;
int PWM,PWM_temp=1,count0=0,Speed_Set,Seep_Measure,counter_100ms,counter_10ms;
bit flag_100ms,flag_10ms,start,plus_10_lock=1,minus_10_lock=1,plus_lock=1,
minus_lock=1,enter_lock=1;
char num[] = {0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f};//0~9 对应数码
/*****************************************************************************************
*函数名：void delayms(unsigned char x)
*函数功能：简单延时 支持0~255ms
1272 is based on the single-chip microcomputer LED bar screen display temperature and time design - complete course design information
#include "..\INCLUDE\config.h"
#include "..\FONT\FONT.H"
uint8 Temp_Value;
void TEMP_Delay(uint16 i)
{
while(i--);
}
void TEMP_INITIALIZE()
{
DQ=1;
TEMP_Delay(8);
DQ=0;
TEMP_Delay(80);
DQ=1;
TEMP_Delay(14);
TEMP_Delay(20);
}
uint8 TEMP_Read_Char()
{
uint8 i;
uint8 dat;
for(i=0;i<8;i++)
{
DQ=0;
dat>>=1;
DQ=1;
if(DQ)
dat|=0x80;
TEMP_Delay(4);
}
return dat;
}
void TEMP_Write_Char(uint8 dat)
{
uint8 i;
for(i=0;i<8;i++)
{
DQ=0;
DQ=dat&0x01;
TEMP_Delay(5);
DQ=1;
dat>>=1;
}
}
void TEMP_Read()
{
uint8 a,b;
TEMP_INITIALIZE();
TEMP_Write_Char(0xcc);
TEMP_Write_Char(0x44);
TEMP_Delay(100);
1279 PM2.5 haze detection and processing control design based on single-chip microcomputer - complete course design information
#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define LCD P0 //
sbit PM2_5 = P2^1; //PM2.5模块PWM输入口
sbit busy=P0^7; // "忙"标志位
sbit add=P1^0;
sbit jian=P1^1;
sbit ledred=P1^2;
sbit ledgreen=P1^3;
sbit sanji=P2^2;
sbit erji=P2^3;
sbit yiji=P2^4;
sbit guolvwang=P2^0;
sbit warning=P1^7;
uint ji=120;
uint LowPulseTime_30s = 0; //30秒内低电平的时间,单位为ms
uint LowPulseTime_3s = 0; //3秒内低电平的时间,单位为ms
uint TotalTime_3s = 0;//总时间,3秒计数器
uint TotalTime_30s = 0;//总时间,30秒计数器*
uint LowperTotal = 0; //30秒内的低脉冲率，就是30秒内的低脉冲时间除以30秒的总时间,范围为5%~25%
uint Concen = 0;//浓度值，整数
uint pulseTime[10] = {0}; //每隔3秒的低电平时间数组，10项刚好就是30秒
uchar Index = 0; //上述数组的索引
bit bFreshDis = 0; //显示值刷新标志位，每隔3秒刷新一次显示
bit bStartDis = 0; //开始显示浓度值标志位，因为上电后要等30秒的预热时间才能计算浓度值
#define INT_CLOCK 1 //INT_CLOCK为定时值，单位为ms ,此处定义为1ms
#define CRY_FREQUENCY 11059200 //CRY_FREQUENCY为晶振频率，单位为,Hz
uchar TL0_temp; //暂存TL0的初值 中断值
uchar TH0_temp; //暂存TH0的初值
unsigned char fuhao;
//代码表
1258 based on single-chip 8155 stopwatch timer system design - complete course design information
/***********************基于8155的8LED显示电子表设计************************************************/
#include<reg52.h>
#include<absacc.h>
/*******************************************宏定义***************************************************/
#define uint unsigned int
#define uchar unsigned char
/*******************************************定义8155地址***********************************************/
#define COM8155 XBYTE[0X7FF8] //8155的命令口
#define PA8155 XBYTE[0X7FF9] //8155的PA
#define PB8155 XBYTE[0X7FFA] //8155的PB
#define PC8155 XBYTE[0X7FFB] //8155的PC
/*******************************************定义数码管显示的码值**************************************/
uchar code du_code[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F}; //8段共阴极数码管显示码值
uchar dis_buf[]={0x3f,0x3f,0x40,0x3f,0x3f,0x40,0x3f,0x3f}; //数码管显示缓存，格式为MM-NN-SS
uchar code bit_code[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; //数码管显示的位值
/*******************************************定义系统变量***************************************************/
bit flag=0; //计时状态标志位
bit flag1=0,flag2=0,flag3=0,flag4=0; //按键状态标志位
uchar num,second,minute,hour; //秒表变量
uchar count=0,count1=0; //计数器变量
Design of 1285 temperature and humidity acquisition and alarm system based on single-chip microcomputer SHT11 - a complete set of information
#include<reg51.h>
#include <intrins.h>
#include <math.h>
#include <stdio.h>
#define LCD_DB P0
sbit LCD_RS=P2^0;
sbit LCD_RW=P2^1;
sbit LCD_E=P2^2;
sbit beep = P1^7;
sbit key1 = P3^0;
sbit key2 = P3^1;
sbit key3 = P3^2;
sbit key4 = P3^3;
unsigned char Time; //用来存放定时时间
unsigned char Second;
unsigned char w; //标志位
unsigned char wendumode = 0;
unsigned char shidumode = 0;
unsigned char wenduCB = 40;
unsigned char shiduCB = 100;
unsigned int wendu,shidu;
/******定义函数****************/
#define uchar unsigned char
#define uint unsigned int
void LCD_init(void); //初始化函数
void LCD_write_command(uchar command); //写指令函数
void LCD_write_data(uchar dat); //写数据函数
void LCD_disp_char(uchar x,uchar y,uchar dat);//在某个屏幕位置上显示一个字符,X（0-15),y(1-2)
void LCD_disp_str(uchar x,uchar y,uchar *str); //LCD1602显示字符串函数
void delay_n10us(uint n); //延时函数
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1258 based on single-chip 8155 stopwatch timer system design - complete course design information