藍橋杯 模拟智能灌溉系統
題目要求
main.c
#include <stc15f2k60s2.h>
#include <intrins.h>
#include <iic.h>
#include <ds1302.h>
#include <delay.h>
sbit s4=P3^3;
sbit s5=P3^2;
sbit s6=P3^1;
sbit s7=P3^0;
unsigned char code SMG_duanma[12]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xbf,0xff};
unsigned char code SMG_position[9]={0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
/*************************
state=1—————— 自動工作狀态
state=0—————— 手動工作狀态
flag=1——————— 濕度顯示狀态
flag=0——————— 門檻值設定狀态
**************************/
unsigned char state=1,flag=1,buzzer=1,kai;
unsigned char fazhi=50;
unsigned int shidu=0;
unsigned char yi,er,san,si,wu,liu,qi,ba;
void InitHC138(unsigned char channel)
{
switch(channel)
{
case 4 :P2=(P2&0X1F)|0X80;break;
case 5 :P2=(P2&0X1F)|0XA0;break;
case 6 :P2=(P2&0X1F)|0XC0;break;
case 7 :P2=(P2&0X1F)|0XE0;break;
}
}
void InitSystem()
{
InitHC138(4);//關閉LED燈
P0=0xff;
InitHC138(5);//關閉蜂鳴器和繼電器
P0=0x00;
InitHC138(6);//選通數位管8個管子
P0=0xff;
InitHC138(7);//關閉數位管
P0=0xff;
}
void SMG_Select(unsigned char pos,unsigned char dat)
{
InitHC138(6);//段選
P0=SMG_position[pos];
InitHC138(7);//位選
P0=SMG_duanma[dat];
}
void SMG_control()
{
if(flag==1)//濕度顯示界面
{
yi=Timer[2]/16;er=Timer[2]%16;san=10;si=Timer[1]/16;
wu=Timer[1]%16;liu=11;qi=shidu/10;ba=shidu%10;
}
else if(flag==0)//濕度門檻值設定界面
{
yi=10;er=10;
san=si=wu=liu=11;
qi=fazhi/10;ba=fazhi%10;
}
}
void SMG_Display()
{
SMG_control();
SMG_Select(1,yi) ;Delay2ms();
SMG_Select(2,er) ;Delay2ms();
SMG_Select(3,san);Delay2ms();
SMG_Select(4,si) ;Delay2ms();
SMG_Select(5,wu) ;Delay2ms();
SMG_Select(6,liu);Delay2ms();
SMG_Select(7,qi) ;Delay2ms();
SMG_Select(8,ba) ;Delay2ms();
}
void keyscan()
{
if(s7==0) //工作狀态切換按鍵
{
Delay10ms();
if(s7==0) //手動和自動切換
{
state=!state;
}
while(s7==0) SMG_Display();//松手檢測
}
if(s6==0)
{
Delay10ms();
if(s6==0)
{
if(state==1)//自動狀态
{
if(flag==1)
{
flag=0; //濕度門檻值設定狀态
}
else if(flag==0)
{
flag=1; //濕度顯示界面
Write_24c02(0x01,fazhi);//儲存新的濕度門檻值
}
}
else if(state==0)//手動狀态
{
buzzer=!buzzer;
}
}
while(s6==0) SMG_Display();//松手檢測
}
if(s5==0)
{
Delay10ms();
if(s5==0)
{
if(state==1)//自動狀态
{
if(flag==0)//門檻值設定狀态
{
fazhi++;
if(fazhi==100) fazhi=0;
}
}
else if(state==0)//手動狀态
{
kai=1; //打開灌溉系統
}
}
while(s5==0) SMG_Display();//松手檢測
}
if(s4==0)
{
Delay10ms();
if(s4==0)
{
if(state==1)//自動狀态
{
if(flag==0)//門檻值設定狀态
{
fazhi--;
if(fazhi==0) fazhi=99;
}
}
else if(state==0)//手動狀态
{
kai=0; //關閉灌溉系統
}
}
while(s4==0) SMG_Display();//松手檢測
}
}
void control()
{
if(state==1)//自動狀态
{
InitHC138(4);P0=0Xfe;//L1燈點亮
shidu=(unsigned int)(v*0.39);//現将讀數轉化為電壓，v=（5/255）*v，再将電壓轉化為濕度，濕度=100/5*v
if(shidu<fazhi)
{
InitHC138(5);P0=(P0&0X0F)|0X10;//繼電器打開
}
else
{
InitHC138(5);P0=(P0&0X0F)&0XEF;//繼電器關閉
}
}
else if(state==0)//手動狀态
{
InitHC138(4);P0=0xfd;//L2燈點亮
shidu=(unsigned int)(v*0.39);
if((shidu<fazhi)&&(buzzer==1))
{
InitHC138(5);P0=(P0&0X0F)|0X40;//蜂鳴器打開
}
else
{
InitHC138(5);P0=(P0&0X0F)&0XBF;//蜂鳴器關閉
}
if(kai==1)
{
InitHC138(5); //繼電器打開
P0=P0|0X10;
}
else if(kai==0)
{
InitHC138(5);//繼電器關閉
P0=P0&0XEF;
}
}
}
void main()
{
InitSystem();
Init_DS1302();
while(1)
{
Read_DS1302();
Read_AIN3();
keyscan();
control();
SMG_Display();
}
}
icc.c
#include "stc15f2k60s2.h"
#include "intrins.h"
#define somenop {_nop_();_nop_();_nop_();_nop_();_nop_();}
#define SlaveAddrW 0xA0
#define SlaveAddrR 0xA1
//總線引腳定義
sbit SDA = P2^1; /* 資料線 */
sbit SCL = P2^0; /* 時鐘線 */
unsigned char v;
//總線啟動條件
void IIC_Start(void)
{
SDA = 1;
SCL = 1;
somenop;
SDA = 0;
somenop;
SCL = 0;
}
//總線停止條件
void IIC_Stop(void)
{
SDA = 0;
SCL = 1;
somenop;
SDA = 1;
}
//應答位控制
void IIC_Ack(bit ackbit)
{
if(ackbit)
{
SDA = 0;
}
else
{
SDA = 1;
}
somenop;
SCL = 1;
somenop;
SCL = 0;
SDA = 1;
somenop;
}
//等待應答
bit IIC_WaitAck(void)
{
SDA = 1;
somenop;
SCL = 1;
somenop;
if(SDA)
{
SCL = 0;
IIC_Stop();
return 0;
}
else
{
SCL = 0;
return 1;
}
}
//通過I2C總線發送資料
void IIC_SendByte(unsigned char byt)
{
unsigned char i;
for(i=0;i<8;i++)
{
if(byt&0x80)
{
SDA = 1;
}
else
{
SDA = 0;
}
somenop;
SCL = 1;
byt <<= 1;
somenop;
SCL = 0;
}
}
//從I2C總線上接收資料
unsigned char IIC_RecByte(void)
{
unsigned char da;
unsigned char i;
for(i=0;i<8;i++)
{
SCL = 1;
somenop;
da <<= 1;
if(SDA)
da |= 0x01;
SCL = 0;
somenop;
}
return da;
}
void Read_AIN3()
{
IIC_Start();
IIC_SendByte(0x90);
IIC_WaitAck();
IIC_SendByte(0x03);
IIC_WaitAck();
IIC_Stop();
IIC_Start();
IIC_SendByte(0x91);
IIC_WaitAck();
v=IIC_RecByte();
IIC_Ack(0);
IIC_Stop();
}
void Write_24c02(unsigned char addr,unsigned char dat)
{
IIC_Start();
IIC_SendByte(0xa0);
IIC_WaitAck();
IIC_SendByte(addr);
IIC_WaitAck();
IIC_SendByte(dat);
IIC_WaitAck();
IIC_Stop();
}
icc.h
#ifndef _IIC_H
#define _IIC_H
//函數聲明
void IIC_Start(void);
void IIC_Stop(void);
void IIC_Ack(bit ackbit);
void IIC_SendByte(unsigned char byt);
bit IIC_WaitAck(void);
unsigned char IIC_RecByte(void);
void Read_AIN3();
void Write_24c02(unsigned char addr,unsigned char dat);
extern unsigned char v;
#endif
ds1302.c
#include <stc15f2k60s2.h>
#include <intrins.h>
sbit SCK=P1^7;
sbit SDA=P2^3;
sbit RST = P1^3; // DS1302複位
unsigned char Timer[7]={0x00,0x30,0x08,0x00,0x00,0x00,0x00};
unsigned char code Write_ds1302_address[7]={0x80,0x82,0x84,0x86,0x88,0x8a,0x8c};
unsigned char code Read_ds1302_address[7]={0x81,0x83,0x85,0x87,0x89,0x8b,0x8d};
void Write_Ds1302_Byte(unsigned char temp)
{
unsigned char i;
for (i=0;i<8;i++)
{
SCK=0;
SDA=temp&0x01;
temp>>=1;
SCK=1;
}
}
void Write_Ds1302( unsigned char address,unsigned char dat )
{
RST=0;
_nop_();
SCK=0;
_nop_();
RST=1;
_nop_();
Write_Ds1302_Byte(address);
Write_Ds1302_Byte(dat);
RST=0;
}
unsigned char Read_Ds1302 ( unsigned char address )
{
unsigned char i,temp=0x00;
RST=0;
_nop_();
SCK=0;
_nop_();
RST=1;
_nop_();
Write_Ds1302_Byte(address);
for (i=0;i<8;i++)
{
SCK=0;
temp>>=1;
if(SDA)
temp|=0x80;
SCK=1;
}
RST=0;
_nop_();
RST=0;
SCK=0;
_nop_();
SCK=1;
_nop_();
SDA=0;
_nop_();
SDA=1;
_nop_();
return (temp);
}
void Init_DS1302()
{
unsigned char i;
Write_Ds1302(0xbe,0x00);
for(i=0;i<8;i++)
{
Write_Ds1302(Write_ds1302_address[i],Timer[i]);
}
Write_Ds1302(0xbe,0x80);
}
void Read_DS1302()
{
unsigned char i;
for(i=0;i<7;i++)
{
Timer[i]=Read_Ds1302(Read_ds1302_address[i]);
}
}
ds1302.h
#ifndef __DS1302_H
#define __DS1302_H
void Write_Ds1302_Byte(unsigned char temp);
void Write_Ds1302( unsigned char address,unsigned char dat );
unsigned char Read_Ds1302 ( unsigned char address );
void Init_DS1302();
void Read_DS1302();
extern unsigned char Timer[7];
#endif
delay.c
#include <stc15f2k60s2.h>
#include <intrins.h>
void Delay2ms() //@11.0592MHz
{
unsigned char i, j;
_nop_();
_nop_();
i = 22;
j = 128;
do
{
while (--j);
} while (--i);
}
void Delay10ms() //@11.0592MHz
{
unsigned char i, j;
i = 108;
j = 145;
do
{
while (--j);
} while (--i);
}
delay.h
#ifndef _delay_h
#define _delay_h
#include <stc15f2k60s2.h>
void Delay2ms();
void Delay10ms();
#endif
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