deleteaso

 
int dataPin = 11;
int clockPin = 12;
int latchPin = 8;
 
int len = 10;
 
//holders for infromation you're going to pass to shifting function
byte dataRED;
byte dataArrayRED[10];
 
byte off = 0x00;
byte decimalpoint = 0x80;
 
 
 
void setup() {
 
  //set pins to output because they are addressed in the main loop
  pinMode(latchPin, OUTPUT);
 
  //Arduino doesn't seem to have a way to write binary straight into the code
  //so these values are in HEX.  Decimal would have been fine, too.
 
  dataArrayRED[0] = 0x3F; //00111111 - 0
  dataArrayRED[1] = 0x06; //00000110 - 1
  dataArrayRED[2] = 0x5B; //01011011 - 2
  dataArrayRED[3] = 0x4F; //01001111 - 3
  dataArrayRED[4] = 0x66; //01100110 - 4
  dataArrayRED[5] = 0x6D; //01101101 - 5
  dataArrayRED[6] = 0x7D; //01111101 - 6
  dataArrayRED[7] = 0x07; //00000111 - 7
  dataArrayRED[8] = 0x7F; //01111111 - 8
  dataArrayRED[9] = 0x67; //01100111 - 9
 
}
 
void loop() {
 
int count = 100;
int val = 10; //this is for how many digits
 
 
 
for( int i = 0; i<count; i++ )
{
  digitalWrite(latchPin, 0);
 
 
   int digit2 = i % val;
  int digit1 = ( i - digit2 ) / val;
 
    shiftOut(dataPin, clockPin, dataArrayRED[ digit2 ]);
    shiftOut(dataPin, clockPin, dataArrayRED[ digit1 ]);
 
  digitalWrite(latchPin, 1);
  delay(300);
  delay(1000);
}
 
}
 
 
// the heart of the program
void shiftOut(int myDataPin, int myClockPin, byte myDataOut) {
  // This shifts 8 bits out MSB first,
  //on the rising edge of the clock,
  //clock idles low
 
  //internal function setup
  int i=0;
  int pinState;
  pinMode(myClockPin, OUTPUT);
  pinMode(myDataPin, OUTPUT);
 
  //clear everything out just in case to
  //prepare shift register for bit shifting
  digitalWrite(myDataPin, 0);
  digitalWrite(myClockPin, 0);
 
  //for each bit in the byte myDataOut…
  //NOTICE THAT WE ARE COUNTING DOWN in our for loop
  //This means that %00000001 or "1" will go through such
  //that it will be pin Q0 that lights.
 
  for (i=7; i>=0; i--)  
  {
    digitalWrite(myClockPin, 0);
 
    //if the value passed to myDataOut and a bitmask result
    // true then... so if we are at i=6 and our value is
    // %11010100 it would the code compares it to %01000000
    // and proceeds to set pinState to 1.
    if( myDataOut & (1<<i) ) 
    {
	pinState= 1;
    }
    else 
    {
	pinState= 0;
    }
 
    //Sets the pin to HIGH or LOW depending on pinState
 
    digitalWrite(myDataPin, pinState);
    //register shifts bits on upstroke of clock pin
    digitalWrite(myClockPin, 1);
    //zero the data pin after shift to prevent bleed through
    digitalWrite(myDataPin, 0);
  }
 
  //stop shifting
  digitalWrite(myClockPin, 0);
}