这是一个单片机盆栽自动浇水系统的主程序，有没有大佬解释一下，每条程序的意思！

ID:715024 · 发表于 2020-5-22 13:57

#include<stc12.h>
#include <stdio.h>
#include "lcd.h"
#include <intrins.h>
#include"ds1302.h"
#include "EEPROM.h"

#define uint unsigned int
#define uchar unsigned char

#define EEPROMFLAG       0X5A
//IO定义
sbit KEY_up = P2^2;
sbit KEY_down = P2^3;
sbit KEY_set = P2^4;
sbit LED = P2^3;
sbit Relay = P1^4;

//ADC0832端口定义
sbit ADC_DO = P1^1;
sbit ADC_CLK = P1^0;
sbit ADC_CS = P1^2;
/*-------------函数声明----------------*/
void SysInit();
void delay_ms(uint ms);
void BuzzerVoice(void);
void KeyHandle(void);                      //按键处理函数
void GetHumidity(void);
void HumidityHandle(void);
uchar ADC0832(uchar channel);
void ClearBuffer(void);
void Read_EEPROM(void);
void Writer_EEPROM(void);
/*-------------变量定义-----------------*/
char Buffer[20]= {0};
uchar SysState = 0,CurrentMode = 0,SysCount = 0;
uint CurrentHumidity = 0;             //当前湿度值
uchar MaxHumidity = 80,MinHumidity = 20;                      //湿度最值
uchar Sec_Pre = 60;
uchar KeyState = 0;
uchar RelayFlag = 0;
void main(void)
{
SysInit();

while(1)
{
      KeyHandle();
      GetHumidity();             //获取湿度
            HumidityHandle();             //湿度处理
}
}

//启动界面
void Display_Startup(void)
{
uint temp=0,i;
LcdWriteStr(1,2," System loadig");
for(i=1; i<=16; i++)
{
      delay_ms(100);
      LcdWriteChar(2,i,'.');
}
LcdClear();
delay_ms(500);
}

//主界面
void Display_main(void)
{
Ds1302ReadTime();
LcdClear();
      CurrentHumidity = 100 - (ADC0832(0)/255.0)*100;
      LcdWriteNum(1,5,CurrentHumidity,3);
LcdWriteStr(1,1,"Hum: % CLOSE");
sprintf(Buffer,"20%02d/%02d/%02d %02d:%02d",(int)TIME[6],(int)TIME[4],(int)TIME[3],(int)TIME[2],(int)TIME[1]);             //输出时间
LcdWriteStr(2,1,Buffer);
}

void SysInit()
{
      P1M0 = 0X10;
      P1M1 = 0X00;
      Relay = 0;
LcdInit();
      Display_Startup();
      Read_EEPROM();
Display_main();

}

void Delay100us()             //@11.0592MHz
{
unsigned char i;

i = 43;
while (--i);
}

//获取AD值
uchar ADC0832(uchar channel)
{
uchar i,ADC_Data;

ADC_CS=0;
ADC_Data=0;
ADC_DO=0;
Delay100us();

ADC_CLK=0;
Delay100us();
ADC_DO=1;  //第一个脉冲  启动AD转换器
ADC_CLK=1;
Delay100us();
ADC_CLK=0;

Delay100us();
ADC_CLK=1; // 第二的脉冲送出1
ADC_DO=1;
Delay100us();
ADC_CLK=0;

Delay100us();

if(channel == 0)
{
      ADC_DO=0;
}
else
{
      ADC_DO=1;
}

ADC_CLK=1; //第三个脉冲送出0
Delay100us();
ADC_CLK=0;

ADC_DO=0; //D1口转为高阻态
ADC_DO=1; //D0口脱离高阻态为输出做准备

for (i=0; i<8; i++) //读出数据
{
      ADC_CLK=1;
      Delay100us();
      ADC_CLK=0;
      Delay100us();
      ADC_Data=(ADC_Data<<1)|ADC_DO;
}
ADC_CS=1;
return(ADC_Data);
}

//获取湿度
void GetHumidity(void)
{
if(SysState == 0)
{
      Ds1302ReadTime();
      if(Sec_Pre != TIME[0])
      {
         CurrentHumidity = 100 - (ADC0832(0)/255.0)*100;
         LcdWriteNum(1,5,CurrentHumidity,3);
         Sec_Pre = TIME[0];
         sprintf(Buffer,"20%02d/%02d/%02d %02d:%02d",(int)TIME[6],(int)TIME[4],(int)TIME[3],(int)TIME[2],(int)TIME[1]);             //输出时间
         LcdWriteStr(2,1,Buffer);
      }
}
}

void HumidityHandle(void)
{
if(SysState == 0)
{

            if(CurrentHumidity <= MinHumidity)
            {
                     if(RelayFlag != 1)
                     {
                              RelayFlag = 1;
                              Relay = 1;
                              LcdWriteStr(1,12,"OPEN ");
                     }
            }
            else if(CurrentHumidity >= MaxHumidity)
            {
                     if(RelayFlag != 0)
                     {
                              RelayFlag = 0;
                              Relay = 0;
                              LcdWriteStr(1,12,"CLOSE ");
                     }
            }
}
}

//按键扫描
void KEY_Scan()
{
static uchar KeyFlag = 0;
if((KEY_up == 0 || KEY_down == 0 || KEY_set == 0)&& KeyFlag == 0)
{
      delay_ms(10);
      if(KEY_up == 0)       KeyState = 1;
      else if(KEY_down == 0) KeyState = 2;
      else if(KEY_set == 0) KeyState = 3;

      if(KeyState != 0)
      {
         KeyFlag = 1;
      }
}
if(KeyFlag == 1)
{
      if(KEY_up == 1 && KEY_down == 1 && KEY_set == 1)
         KeyFlag = 0;
}
}

void Set_Handle()
{
if(SysState  == 0)
{
      SysState = 1;
      SysCount = 0;
      CurrentMode = 1;
      LcdClear();
      LcdWriteStr(2,1,"  Set Timer");
      LcdWriteStr(1,1,"->Set Humidity");
}
else
{
      SysCount++;
      if(CurrentMode == 1)             //设置浓度
      {
         if(SysCount == 1)             //最大浓度
         {
            SysState = 2;
                              LcdClear();
            LcdWriteStr(1,1,"Max:");
            LcdWriteStr(2,1,"Min:");
            LcdWriteNum(1,5,MaxHumidity,3);
            LcdWriteNum(2,5,MinHumidity,3);
                              LcdWriteCom(0x80+4);       //定位光标
            LcdWriteCom(0x0f);             //光标闪烁
         } else if(SysCount == 2)             //最小浓度
         {
            LcdWriteCom(0xC0+4);       //定位光标
         }
         else
         {
                              Writer_EEPROM();             //写入数据
                              LcdWriteCom(0x0c);  //开显示不显示光标
            SysState = 0;
            Display_main();
         }
      }
      else             //设置时间
      {
         if(SysCount == 1)
         {
            SysState = 2;
            LcdClear();
            LcdWriteStr(1,5,"Set Timer");
            Ds1302ReadTime();
            ClearBuffer();
            sprintf(Buffer,"20%02d/%02d/%02d %02d:%02d",(int)TIME[6],(int)TIME[4],(int)TIME[3],(int)TIME[2],(int)TIME[1]);             //输出时间
            LcdWriteStr(2,1,Buffer);
            Buffer[0] = TIME[6];                //年
            Buffer[1] = TIME[4];                //月
            Buffer[2] = TIME[5];                //日
            Buffer[3] = TIME[2];                //时
            Buffer[4] = TIME[1];                //分
                              LcdWriteCom(0xC0+2);       //定位光标
            LcdWriteCom(0x0f);             //光标闪烁
         }
                     else if(SysCount == 2)
                     {
                              LcdWriteCom(0xC0+5);       //定位光标
                     }
                     else if(SysCount == 3)
                     {
                              LcdWriteCom(0xC0+8);       //定位光标
                     }
                     else if(SysCount == 4)
                     {
                              LcdWriteCom(0xC0+11);       //定位光标
                     }
                     else if(SysCount == 5)
                     {
                              LcdWriteCom(0xC0+14);       //定位光标
                     }
                     else
                     {
                              TIME[6] = Buffer[0];                //年
                              TIME[4] = Buffer[1];                //月
                              TIME[5] = Buffer[2];                //日
                              TIME[2] = Buffer[3];                //时
                              TIME[1] = Buffer[4];                //分
                              TIME[0] = 0;                               //秒
                              Ds1302WriteTime();
                              LcdWriteCom(0x0c);  //开显示不显示光标
                              SysState = 0;
            Display_main();
                     }
      }
}
}

//湿度设置
void Humidity_Set(void)
{
      if(SysCount == 1)
      {
            if(KeyState == 1)
            {
                     if(MaxHumidity < 100)
                              MaxHumidity++;
            }
            else
            {
                     if(MaxHumidity-1 > MinHumidity)
                              MaxHumidity--;
            }
            LcdWriteNum(1,5,MaxHumidity,3);
            LcdWriteCom(0x80+4);       //定位光标
      }
      else
      {
            if(KeyState == 1)
            {
                     if(MinHumidity <= MaxHumidity-1)
                              MinHumidity++;
            }
            else
            {
                     if(MinHumidity > 0)
                              MinHumidity--;
            }
            LcdWriteNum(2,5,MinHumidity,3);
            LcdWriteCom(0xC0+4);       //定位光标
      }
}

//时间处理
void Timer_Handle(void)
{
      if(SysCount == 1)             //年
      {
            if(KeyState == 1)
                     Buffer[0]++;
            else
            {
                     if(Buffer[0] > 0)
                              Buffer[0]--;
            }
            LcdWriteNum(2,3,Buffer[0],2);
            LcdWriteCom(0xC0+2);       //定位光标
      }
      else if(SysCount == 2)             //月
      {
            if(KeyState == 1)
            {
                     if(Buffer[1] < 12)
                              Buffer[1]++;
            }
            else
            {
                     if(Buffer[1] > 1)
                              Buffer[1]--;
            }
            LcdWriteNum(2,6,Buffer[1],2);
            LcdWriteCom(0xC0+5);       //定位光标
      }
      else if(SysCount == 3)             //日
      {
            if(KeyState == 1)
            {
                     if(Buffer[2] < 31)
                              Buffer[2]++;
            }
            else
            {
                     if(Buffer[2] > 1)
                              Buffer[2]--;
            }
            LcdWriteNum(2,9,Buffer[2],2);
            LcdWriteCom(0xC0+8);       //定位光标
      }
      else if(SysCount == 4)             //时
      {
            if(KeyState == 1)
            {
                     if(Buffer[3] < 24)
                              Buffer[3]++;
            }
            else
            {
                     if(Buffer[3] > 0)
                              Buffer[3]--;
            }
            LcdWriteNum(2,12,Buffer[3],2);
            LcdWriteCom(0xC0+11);       //定位光标
      }
      else if(SysCount == 5)             //分
      {
            if(KeyState == 1)
            {
                     if(Buffer[4] < 59)
                              Buffer[4]++;
            }
            else
            {
                     if(Buffer[4] > 0)
                              Buffer[4]--;
            }
            LcdWriteNum(2,15,Buffer[4],2);
            LcdWriteCom(0xC0+14);       //定位光标
      }
}

void Up_Handle(void)
{
if(SysState == 1)
{
      CurrentMode = 1;
      LcdWriteStr(2,1,"  Set Timer");
      LcdWriteStr(1,1,"->Set Humidity");
}
else if(SysState == 2)
{
      LcdWriteCom(0x0c);  //开显示不显示光标
      if(CurrentMode == 1)             //湿度设置
      {
                     Humidity_Set();
      }
      else                               //时间设置
      {
                     Timer_Handle();
      }
      LcdWriteCom(0x0f);             //光标闪烁
}
}

void Dec_Handle(void)
{
if(SysState == 1)
{
      CurrentMode = 2;
      LcdWriteStr(1,1,"  Set Humidity");
      LcdWriteStr(2,1,"->Set Timer");
}
      else if(SysState == 2)
      {
            LcdWriteCom(0x0c);  //开显示不显示光标
            if(CurrentMode == 1)             //湿度设置
      {
                     Humidity_Set();
            }
            else
            {
                     Timer_Handle();
            }
            LcdWriteCom(0x0f);             //光标闪烁
      }
}

//按键处理
void KeyHandle(void)
{
KEY_Scan();
if(KeyState != 0)
{
      switch(KeyState)
      {
      case 1:                      //增加按键
         Up_Handle();
         break;
      case 2:                      //减少按键
         Dec_Handle();
         break;
      case 3:                      //设置按键
         Set_Handle();
         break;
      }
      KeyState = 0;
}
}

void ClearBuffer(void)
{
uchar i;
for(i=0; i<20; i++)
      Buffer[ i] = 0;
}

//写入EEPROM
void Writer_EEPROM(void)
{
      IapEraseSector(0);
      IapProgramByte(0,EEPROMFLAG);
      IapProgramByte(1,MaxHumidity);
      IapProgramByte(2,MinHumidity);
}

//读取EEPROM
void Read_EEPROM(void)
{
      uchar temp;
      temp = IapReadByte(0);
      if(temp != EEPROMFLAG)             //第一次写入数据
      {
            MaxHumidity = 80;
            MinHumidity = 20;
            Writer_EEPROM();
      }
      else
      {
            MaxHumidity = IapReadByte(1);
            MinHumidity = IapReadByte(2);
      }
}
void delay_ms(uint ms)             //@11.0592MHz
{
unsigned char i, j;

while(ms--)
{
      _nop_();
      i = 11;
      j = 120;
      do
      {
         while (--j);
      } while (--i);
}
}

ID:584814 · 发表于 2020-5-23 09:22

这么短的程序不值得逐条解释要弄个万行起步的才得劲

ID:715024 · 发表于 2020-5-23 14:26

man1234567 发表于 2020-5-23 09:22
这么短的程序不值得逐条解释要弄个万行起步的才得劲

拜托能不能帮我解释一下，大佬~

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