//导入库文件
//导入到1602液晶库
#include <LiquidCrystal.h>

//导入DHT温湿度库
#include <DHT.h>

//导入红外接收模块
#include <IRremote.h>

//导入舵机控制库
#include <Servo.h>

//icd液晶工作模式启动
LiquidCrystal lcd(12,11,10,9,8,7);
//红外接收模块工作使能
#define IRrecv_PIN 13
IRrecv receiver(IRrecv_PIN);

//温湿度传感器使能
#define DHT_PIN 2
#define DHT_TYPE DHT22
DHT dht(DHT_PIN,DHT_TYPE);
int tem,hum;

//舵机机能
Servo servo_Tem,servo_Hum;

//采用步进电动机模拟无刷电机
const int dirPin = 3;//方向引脚
const int stepPin = 4;//步进引脚

//电机每圈步数
const int STEPS_PER_REV = 800;

void setup(){
lcd.begin(16,2);

//设置初始坐标
lcd.print("<Button Presser>");

//红外开始接受信号
receiver.enableIRIn();

//设置DHT温湿度传感器
dht.begin();

//舵机shineng
servo_Tem.attach(6);
servo_Hum.attach(5);

}

void loop(){

//红外接收模块监测，监测是否收到信号，并根据不同的信号做出不同反应
if(receiver.decode())
{
  translateIR();
}

receiver.resume();//接收下一个信号
}

//显示内容
void lcdPrint(char* text)
{
 lcd.clear();//清屏
 lcd.setCursor(0,0);//设置坐标
 lcd.print("Button Pressed:");
 lcd.setCursor(0,1);
 lcd.print(text);
 lcd.print(" code:");
 lcd.print(receiver.decodedIRData.command);

}

void Display_temhum()
{
 hum = dht.readHumidity();
 tem = dht.readTemperature();


 lcd.clear();
 lcd.setCursor(0,0);
 lcd.print("H");
 lcd.print(hum);
 lcd.print("%   ");
 lcd.print("T:");
 lcd.print(tem);
 lcd.print("*C ");

}

//温度通风口控制函数
void servoTem_control()
{
 if(tem>50)
 {
 servo_Tem.write(90);

 }
 else if(tem > 20)
 {
  servo_Tem.write(0);
 }

 else{
  int val = map(tem,20,50,0,90);
  servo_Tem.write(val);
  }
 }

 //湿度通风口控制函数
 void servoHum_control()
 {
  if(hum>80)
  {
  servo_Hum.write(90);  
  }

 else if(hum < 40)
 {
  servo_Hum.write(0);
 }
 else{
 int val = map(hum,40,80,0,90);
 servo_Hum.write(val);
  }
 } 

//获取不同的按键信息，并根据不同的按键做出不同的动作
void translateIR()
{
  //基于IR控制信号，做出不同命令：
 switch(receiver.decodedIRData.command)
{
 case 168:
  Display_temhum();
  servoTem_control();
  servoHum_control();
  break;
 case  104:
 Display_danwei("STOP");
  digitalWrite(stepPin, LOW);
  delayMicroseconds(1000);
  break;
 case 48:
  Display_danwei("1");
  digitalWrite(dirPin, HIGH);
 //电机慢速旋转
 for(int x = 0;x< STEPS_PER_REV; x++)
 {
  digitalWrite(stepPin, HIGH);
  delayMicroseconds(2000);
  digitalWrite(stepPin, LOW);
  delayMicroseconds(20000);
 }
 break;
 case 24:
 Display_danwei("2");
 digitalWrite(dirPin, HIGH);
 //电机慢速旋转
for(int x = 0;x< STEPS_PER_REV; x++)
{
  digitalWrite(stepPin, HIGH);
  delayMicroseconds(1500);
  digitalWrite(stepPin, LOW);
  delayMicroseconds(1500);
}
 break;
 case 122:
  Display_danwei("3");
  digitalWrite(dirPin,HIGH);
 //电机慢速旋转
 for(int x = 0;x< STEPS_PER_REV; x++)
 {
  digitalWrite(stepPin, HIGH);
  delayMicroseconds(1000);
  digitalWrite(stepPin, LOW);
  delayMicroseconds(1000);
 }
  break;
 default:
 lcd.clear();
 lcd.print(receiver.decodedIRData.command);
 lcd.print((" other button "));
 }
} 
 
 void Display_danwei(char* text)
 {
 lcd.clear();
 lcd.setCursor(0,0);
 lcd.print(" DANWEI:  ");
 lcd.print(text);
 }