/************************************************************
 *   Fabricademy FP version4
 *   
 ************************************************************/
#include <Arduino.h>
#include <Ticker.h>

Ticker timer;

// NeoPixel 
#include <Adafruit_NeoPixel.h>
#define PIN  D10// Neopixel pin  
//#define PIN  D8// Neopixel pin  
#define NUMPIXELS 1 // Number of NeoPixels
Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

//Speaker
#define spPin D2// 

//int mScale[]={131,165,196,262,330,392,523,659,784,1047}; //C#3, E#3, G#3,  ---
//int mScale[]={277,311,329,391,440}; //C#4, D#4, E#4, G#4, A#4)  
int mScale[]={880,1046,1174,1318,1567,1760}; //A#4,C#5, D#5, E#5, G#5, A#5)  
int mScale2[]={2093,2349,2637,3135,3520}; //C#6, D#6, E#6, G#6, A#6)  


//BioMetal
#define amPin1 D7// 
#define amPin2 D5// 
//#define amPin2 D4// 


//Touch
int f=0;//フィルタ用変数
const int touchOutPin = D8;   //
const int touchInPin = D9;  //
//const int touchOutPin = D9;   //
//const int touchInPin = D10;  //

//int onVal=70;
//bool touchOn=false;

//Gas Sensor
const int gasOutPin = D0;   //
const int gasInPin = A1;
int gasVal = 0; //ADC data
float sensor_r; 

//Mode
int appMode=0;
//unsigned long timCnt; //mills 
unsigned long lpCnt=0;; // 

int time1 = 90;
int time2 = time1+30;
int time3 = time2+10; //buffer
int time4 = time3+10;
int time5 = time4+1;

bool  isLED = true;
int ledBr = 100;
int br=4;
//int counter=2000;


void setup() {
  //NeoPixel setup
  pixels.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
  pixels.clear(); // Set all pixel colors to 'off'


  //Touch setup
//  pinMode(touchOutPin,OUTPUT);  // send pin
//  pinMode(touchInPin,INPUT);  //receive pin


  pinMode(amPin1,OUTPUT);  // 
  pinMode(amPin2,OUTPUT);  // 

  //Gas sensor setup
  pinMode(gasOutPin, OUTPUT);
  pinMode(gasInPin, INPUT);

//  Serial.begin(115200);
  Serial.begin(9600);
//  Serial.println("Setup completed");
  timer.attach(1.0, intMain); // Interupt every 1sec
    
}


void loop() {
 // Serial.println("==== loopTest ====");  //----temp
}

void intMain(){
  
  chkMode();
  
  switch(appMode){
    case 0:
      mode0(); 
      break;
    case 1:
      mode1();
      break;
    case 2:
      mode2();
      break;
    case 3:
      mode3();
      break;
    case 4:
      mode4();
      break;
  }
 
}



void mode0(){ 
  act1off();
  act2off();
 isLED = true;

  dspLed(0);
 
   //noTone(spPin);
  chkFerment(); 
  //chkTouch();
}

void mode1(){
  dspLed(1);
  randomTone(); 
  //chkTouch();

}

void mode2(){   // buffer to stop tone
  noTone(spPin);
  dspLed(2);
}

void mode3(){
  noTone(spPin);
  dspLed(2);
  chkAct1();
  
}

void mode4(){
  noTone(spPin);
  dspLed(3);
  chkAct2();
  
}

void chkMode(){
  if( lpCnt< time1){
      appMode=0;
    }else if(lpCnt < time2){
      appMode=1;     
    }else if(lpCnt < time3){
      appMode=2;     
    }else if(lpCnt < time4){
      appMode=3;     
    }else if(lpCnt < time5){
      appMode=4;     
    
    }else{
      appMode=0;  
      act2off();
      lpCnt=0;   
    }
    lpCnt++;

    if( appMode !=0){
        Serial.print(" lpCnt = ");
        Serial.println(lpCnt);
    }
 
}

void chkFerment(){
  chkGas();
}

void chkAct1(){
  act2off();
  analogWrite(amPin1, 200);    
  Serial.println(" ******AM 1 ON");
}

void act1off(){
     analogWrite(amPin1, 0);    
}

void act2off(){
     analogWrite(amPin2, 0);    
}

void chkAct2(){
 
 act1off();
 //isLED = false;
 analogWrite(amPin2, 180);   
 Serial.println(" ******AM 2 ON");
}

void dspLed(int ledMode){

  if(isLED){
    
    for (int i = 0; i < NUMPIXELS; i++) { // For each pixel...
      // pixels.Color() takes RGB values, from 0,0,0 up to 255,255,255  
      switch(ledMode){
        case 0:
            pixels.setPixelColor(i, pixels.Color(105, ledBr, 255));
            break;
        case 1:
            pixels.setPixelColor(i, pixels.Color(255, 105, ledBr));
            break;
        case 2:
            pixels.setPixelColor(i, pixels.Color(ledBr, 255, 255));
            break;
        case 3:
            pixels.setPixelColor(i, pixels.Color(ledBr, 255, 255));
            break;
              
      }
      pixels.setBrightness(ledBr);
      pixels.show();   // Send the updated pixel colors to the hardware.
    }
    ledBr += br;
   
    if(ledBr<5){ br=4;}
    else if(ledBr >250){ br=-4;}
    //Serial.print("ledBr=");
     
  }else{
    pixels.clear(); // Set all pixel colors to 'off'
    pixels.show();  
  }
}


void randomTone(){
//  tone(spPin, mScale[random(sizeof(mScale)-1)], random(10,150));  // 
  
 // if(!touchOn){
    tone(spPin, mScale[random(sizeof(mScale)-1)], random(100,180));  // 
 // }else{
 //   tone(spPin, mScale2[random(sizeof(mScale)-1)], random(30,60));  //    
 // }  
}


void chkGas(){
  
   digitalWrite(gasOutPin, HIGH); //PULSE pin HIGH
   delay(1); //Wait until OUT stabilizes
   gasVal = analogRead(gasInPin); //ADC 
    //  Serial.println(gasVal);
   delay(1); //
   digitalWrite(gasOutPin, LOW); //PULSE pin HIGH
   if (gasVal != 0) {
      //((3.0 / (adval * 5.0 / 1024.0)) - 1)*10k ohm
      //sensor_r = 6144.0 / gasVal - 10;   // for 5V
      sensor_r = ((3*1024/gasVal*3.3) -1) *10;   // for 3.3V
      
      Serial.println(sensor_r, 1);
    
    }
    timer.attach(0.998, intMain); // Interupt every 1sec
}