/*
  Two shift registers are daisy chained.
  Flying segments
*/
int DS_pin = 2;
int STCP_pin = 3;
int SHCP_pin = 4; // clock

// Segment codes for animation (common anode)
byte segment_codes[7] = {
  0xBF, // G
  0xDF, // F
  0xEF, // E
  0xF7, // D
  0xFB, // C
  0xFD, // B
  0xFE  // A
};
int dec_digits [10] {1, 79, 18, 6, 76, 36, 32, 15, 0, 4};

void setup() {
  pinMode(DS_pin, OUTPUT);
  pinMode(STCP_pin, OUTPUT);
  pinMode(SHCP_pin, OUTPUT);
}
/*
// __  0   1   2   3   4   5   6   7   8   9
//00H 3FH 06H 5BH 4FH 66H 6DH 7DH 07H 7FH 6FH
*/
void loop() {
  for (int i = 0; i < 6; i++) {
    digitalWrite(STCP_pin, LOW);
    shiftOut(DS_pin, SHCP_pin, LSBFIRST, segment_codes[i]);
    shiftOut(DS_pin, SHCP_pin, LSBFIRST, segment_codes[i]);
    digitalWrite(STCP_pin, HIGH);
    delay(50);
  }
}