/*--------------------------------RADICAL EVERYTHING--------------------------------------*/
/* SPRING 2010 ANGELA CHEN
/*adapted from Alex Leone's basic LED example setup for the TLC5940
 
 
/* lighting : each TLC5940 driver runs 16 LEDs, 8 drivers total
/* sensors: 4 sensors total, 1 each (IR detector) to control 2 drivers (32 LEDs) (currently using 1 potentiometer)
/* mechanical: controls 3 solenoid valves
 
/*-------------------------------------------LOOP-------------------------------------------*/
/* NUM_TLCS is defined in "tlc_config.h" in the library folder.  
/* After editing tlc_config.h for your setup, 
/* delete the Tlc5940.o file to save the changes. 
/*------------------------------------------------------------------------------------------*/


/*----------------------------------------LIBRARIES----------------------------------------*/
#include "Tlc5940.h"
#include "tlc_fades.h"
/*-----------------------------------------------------------------------------------------*/

/*----------------------------------------ARUDINO PINS--------------------------------------*/
//#define ANALOG_PIN 0
/*------------------------------------------------------------------------------------------*/

/*----------------------------------------VARIABLES----------------------------------------*/
const int ledGroup = 0;              
const int ledsPerGroup = 16;           //control 16 LEDs at a time (for each driver)

const int potPin = 0;                  //analog in 3 connected to the potentiometer
int potValue = 0;                      //value returned from the potentiometer

TLC_CHANNEL_TYPE channel;

//const int transistorPin            //initialize in setup

/*-----------------------------------------------------------------------------------------*/




/*------------------------------------------SET-UP-----------------------------------------*/
void setup()
{
  Tlc.init();                // Call Tlc.init() to setup the tlc
  // You can optionally pass an initial PWM value (0 - 4095) for all channels
  Serial.begin(9600);  


  for (int transistorPin = 4; transistorPin < 7; transistorPin++) {   // initialize the transistor pins as output:
    pinMode(transistorPin, OUTPUT);
  }
}
/*------------------------------------------------------------------------------------------*/



/*-------------------------------------------LOOP-------------------------------------------*/
/* NUM_TLCS is defined in "tlc_config.h" in the library folder.  
/* After editing tlc_config.h for your setup, 
/* delete the Tlc5940.o file to save the changes. 
/*------------------------------------------------------------------------------------------*/

void loop()
{

  /*-------------------------------------MECHANICAL-------------------------------------------*/
  potValue = analogRead(potPin);              //read pot, convert it from 0-255
  int range = map(potValue, 0, 1000, 0, 3);   //map that to control each transistor switch:
  //0 is little to no activity
  //1 is low activity
  //2 is med activity
  //3 is high activity
  Serial.println("Range: "+range);

  //do something different depending on the range value:
  switch (range) {
  case 0: //level 0 (no activity)
    Serial.println("no activity");

    for (int transistorPin = 4; transistorPin < 7; transistorPin++) {
      digitalWrite(transistorPin, LOW);
    }
    break;

  case 1: //level 1(valve 0 OPEN)
    Serial.println("low activity");
    for (int transistorPin = 4; transistorPin < 5; transistorPin++) {
      digitalWrite(transistorPin, HIGH);  //open valve
      delay(500);
      digitalWrite(transistorPin, LOW);   //close valve
      delay(500);
    }
    break;

  case 2: //level 2(valve 0 + 1 OPEN)
    Serial.println("medium activity");
    for (int transistorPin = 4; transistorPin < 6; transistorPin++) {
      digitalWrite(transistorPin, HIGH);
      //digitalWrite(transistorPin, HIGH);
      delay(500);
      digitalWrite(transistorPin, LOW);
      delay(500);  
    }
    break;
    //
  case 3: //level 3(valve 0,1,2 OPEN)
    Serial.println("high activity");
    for (int transistorPin = 4; transistorPin < 7; transistorPin++) {
      // digitalWrite(transistorPin, HIGH);
      digitalWrite(transistorPin, HIGH);
      delay(500);
      digitalWrite(transistorPin, LOW);
      delay(500);  
    } 
    break;
  }
  /*--------------------------------------------------------------------------------*/

  /*---------------------------------LIGHTING---------------------------------------*/
  if (tlc_fadeBufferSize < TLC_FADE_BUFFER_LENGTH - 23) {          //The default fade buffer length (24). 
    //how many leds to fade at a time
    if (!tlc_isFading(channel)) {     
      //uint16_t duration = analogRead(0) * 4;  //analogRead pin 0
      uint16_t duration = 1000;                                    //how long to stay on before fading

      int maxBrightness = analogRead(0);                           //pot value determines brightness value

      uint32_t startMillis = millis()+50;
      uint32_t endMillis = startMillis + duration;                 //higher the value = longer the duration of the fade


      tlc_addFade(channel, 0, maxBrightness, startMillis, endMillis);  //increase brightness for LED next in array

      //   tlc_addFade(channel, maxBrightness, 0, endMillis, endMillis + duration);   //decreasing in brightness
    }

    if (channel++ == NUM_TLCS * 16) {                            //when it gets to the end of the loop
      channel = 0;                                               //reset


    }
  }
  tlc_updateFades();
}

/*------------------------------------------------------------------------------------------*/