// Demo Program that will become a led sign once all the led patterns have being designed
// Show how to use the 74HC595 IC to extend the Arduino;s IO pins

#define SHIFT_DATA 5   // PIN of Arduino connects to PIN 14 74595 data in 
#define SHIFT_CLK 3    // PIN of Arduino connects to PIN 11 74595 Shift Clock
#define SHIFT_LATCH 4  // PIN of Arduino connects to PIN 12 74595 Output Latch
                       // Pin 13 of 595 - Output enable not connected 

int tbl[]={1,2,4,8,16,32,64,128}; // Bit numbers of the output pins of the 74HC595  

// Macros
#define dy delay(300)

#define num_of_leds sizeof(tbl) / sizeof(int)



long seguenceDelay = 300;   //ms
long currentDelay = 0;
int ref = 0;
int i; // general loop counter



void sendOutData(int value)
 {
   shiftOut(SHIFT_DATA,SHIFT_CLK,LSBFIRST,value);
   digitalWrite(SHIFT_LATCH, LOW);
   digitalWrite(SHIFT_LATCH, HIGH);
   digitalWrite(SHIFT_LATCH, LOW);
  // Serial.print(value,BIN);Serial.print("   ");Serial.println(value,DEC);
 }

void setup()
 {
 Serial.begin(57600);
 pinMode(SHIFT_CLK,OUTPUT);
 pinMode(SHIFT_DATA,OUTPUT);
 pinMode(SHIFT_LATCH,OUTPUT);
 }

void loop()
{
  // Binary Count up 0-255
 Serial.println("Binary counter");
 for(i=0;i<256;i++)
   {
   sendOutData(i);
   delay(100);
   }
  
  // All on / Off Blink 5x
  Serial.println("All on/Off)");
  for (i=0;i<5;i++ )
   {
   sendOutData(255);
   dy;
   sendOutData(0);
   dy;
   }

  // Right to Left
  Serial.println("Right to Left");
  for (i =0; i < 8; i++)
   { 
   sendOutData(1<< i);
   dy;
   sendOutData(0);
   }

 //Left to Right
 Serial.println("Left to right");
 int ref=0;
 for (int i =0 ; i<8; i++)
  {
   sendOutData(128>> i);
   dy;
   sendOutData(0);
  }

  //Left to right FILL
  Serial.println("left to right fill");
  ref =0;
  for (i =7; i > -1; i--)
   {
    ref=ref+tbl[i];
    sendOutData(ref);
    dy;
   }
  
  Serial.println("left to right unfill");
  ref =255;
  for (i =7; i > -1; i--)
   {
    ref=ref-tbl[i];
    sendOutData(ref);
    dy;
   }

 //RIGHT to Left FILL
  Serial.println("Right to Left fill");
  ref=0;
  for (int i =0; i < 8; i++)
   {
    ref = ref + tbl[i];
    sendOutData( ref);
    dy;
   }

   Serial.println("Right to left unfill");
   ref =255;
   for (i =0; i < 8; i++)
    {
     ref = ref-tbl[i];
     sendOutData(ref);
     dy;
    }

 // 2 Bits shiting Right to left and Left to right
 Serial.println("Bits shiting left to Right & Back again");
 ref=3;
 for(i=1;i<4;i++)
  {
   sendOutData(ref);
   dy;
   ref=ref << 2;
   sendOutData(ref);
   dy;
  }
  
  ref=192;
   for(i=1;i<4;i++)
   {
   sendOutData(ref);
   dy;
   ref=ref >> 2;
   sendOutData(ref);
   dy;
   }

  // Two by Two
  Serial.println("two by two");
  for(i=1;i<5;i++)
  {
     sendOutData(85);
     dy;
     sendOutData(170);
     dy;
  }

// alternate right
   Serial.println("Alternate R to L");
   ref=5;
   for(i=1;i<3;i++)
   {
     sendOutData(ref);
     ref= ref <<2;
     dy;
     sendOutData(ref);
     dy;
   } 
    
    // alternate left
    Serial.println("Alternate L to R");
   ref=160;
   for(i=1;i<3;i++)
   {
     sendOutData(ref);
     ref= ref >>2;
     dy;
     sendOutData(ref);
     dy;
   }
    
    // 4 on 4
    Serial.println("4 on 4");
    for(i=1;i<6;i++)
    {
      sendOutData(240);
      dy;
      sendOutData(15);
      dy;
    }
    
// To the inside
Serial.println("To the Inside");
for(int i=0;i<4;i++){
  sendOutData(tbl[i] + tbl[7-i] );
  Serial.println(tbl[i] + tbl[7-i],DEC);
  dy;dy;
}

// To the Outside
Serial.println("To the Outside");
ref=1;
for(int i=3;i>-1;i--)
 {
   sendOutData(tbl[i]+ tbl[i+ ref]);
   Serial.println(tbl[i]+ tbl[i+ref],DEC);
   dy;dy;
   ref=ref+2;
 }
}