#include <Wire.h>
#include <Servo.h>
#include <RPR-0521RS.h>
#include <BD1020.h>
#include <ML8511A.h>
#include <BM1383GLV.h>
 
//***********************************************
//Set threshold
//***********************************************
int moi_threshold   = 500;  //set the moisture threshold (moist←0～1023→dry)
int upper_temp_threshold  = 30;   //high temperature-red LED 
int under_temp_threshold  = 10;   //low temperature-blue LED
int uv_threshold  = 4;   //set the intensity of ultraviolet light, shade if exceeded
int send_wind_sec  = 30; //wind blowing interval (in seconds)
//***********************************************
 
Servo uvServo;          	
Servo windServo;          	
Servo waterServo;          	
 
int redLedPin   = 13;   	
int blueLedPin   = 12;
int moisture_pin = A0;
int tempout_pin = A2;
int uvout_pin = A0;
 
int counter = 0;
bool uvFlg = false;
 
BD1020 bd1020;
RPR0521RS rpr0521rs;
ML8511A ml8511a;
BM1383GLV bm1383;
 
//***********************************************************
void setup() {
  Serial.begin(9600);
  while (!Serial);
  Wire.begin();
 
  byte rc; 
  rc = rpr0521rs.init();
  rc = bm1383.init();
 
  pinMode(redLedPin,OUTPUT);
  pinMode(blueLedPin,OUTPUT);
  uvServo.attach(9);
  windServo.attach(10);
  waterServo.attach(11);
  bd1020.init(tempout_pin);
  ml8511a.init(uvout_pin);
}
 
//***********************************************************
void loop() {
    //*********************************
    //Soil Sensor
    int moi = analogRead(moisture_pin);
    Serial.write("MOISTURE = ");
    Serial.println(moi);
    Serial.println();
    
    //*********************************
    //Temperature sensor
    float temp;
    bd1020.get_val(&temp);
    Serial.print("BD1020HFV Temp=");
    Serial.print(temp);
    Serial.print("  [degrees Celsius], ADC=");
    Serial.println(bd1020.temp_adc);
 
    //*********************************
    //UV sensor
    float uv;
    ml8511a.get_val(&uv);	
    Serial.write("ML8511A UV = ");
    Serial.print(uv);
    Serial.println(" [mW/cm2]");
    Serial.println();	
 
    //*********************************
    //Barometric pressure sensor
    byte cp;
    float press;
     
    cp = bm1383.get_val(&press);
    if (cp == 0) {
      Serial.write("BM1383GLV (PRESS) = ");
      Serial.print(press);
      Serial.println(" [hPa]");
      Serial.println();
    }
     
    //*********************************
    //ALS/proximity sensor
    byte rc;
    unsigned short ps_val;
    float als_val;
    byte near_far;
     
    rc = rpr0521rs.get_psalsval(&ps_val, &als_val);
    if (rc == 0) {
      Serial.print(F("RPR-0521RS (Proximity) 	= "));
      Serial.print(ps_val);
      Serial.print(F(" [count]"));
      near_far = rpr0521rs.check_near_far(ps_val);
      if (near_far == RPR0521RS_NEAR_VAL) {
        Serial.println(F(" Near"));
      } else {
        Serial.println(F(" Far"));
      }
       
      if (als_val != RPR0521RS_ERROR) {
        Serial.print(F("RPR-0521RS (Ambient Light) = "));
        Serial.print(als_val);
        Serial.println(F(" [lx]"));
        Serial.println();
      }
    }
 
    //***********************************
    //depending on the sensor value each time
 
    //the water level will rise when the soil dries
    if(moi > moi_threshold){
      Serial.println("Water Servo start.");
      for(int m=0;m < 10;m++){ waterServo.write(0); //move servomotor to 0 degree
            delay(1500); //wait 1.5 seconds
            waterServo.write(90); //move the servomotor to 90 degrees
      }
    } //Temperature   activate
    if(upper_temp_threshold > temp){
      digitalWrite(redLedPin, HIGH);  //turn on LED
      delay(moi);                 	//set the moisture to LED flashing time 
      digitalWrite(redLedPin, LOW);   //turn off LED
    }
    if(under_temp_threshold < temp){
      digitalWrite(blueLedPin, HIGH);  //turn on LED
      delay(moi);                 	//set the moisture to LED flashing time 
      digitalWrite(blueLedPin, LOW);   //turn off LED
    }
 
    //shades when the sunlight is too strong
    if(uv < uv_threshold && !uvFlg){
        waterServo.write(90);
        uvFlg = true;
    }
    else if(uv >= uv_threshold && uvFlg){
        waterServo.write(0);	
        uvFlg = false;
    }
 
    //create wind  at a specific time
    if(counter > send_wind_sec){
      Serial.println("Wind Servo start.");
      for(int n=0;n < 10;n++){
        waterServo.write(0);
        delay(1000);    	
        waterServo.write(90);
      }
      counter = 0;
    }
 
    counter++;
    delay(1000);
}