+const int digits [3] = { 17, 27, 22 };
+const int segments [3] = { 23, 24, 25 };
+
+const int segmentDigits [] =
+{
+// a b c d e f g Segments
+// 6 5 4 3 2 1 0, // wiringPi pin No.
+
+ 1, 1, 1, 1, 1, 1, 0, // 0
+ 0, 1, 1, 0, 0, 0, 0, // 1
+ 1, 1, 0, 1, 1, 0, 1, // 2
+ 1, 1, 1, 1, 0, 0, 1, // 3
+ 0, 1, 1, 0, 0, 1, 1, // 4
+ 1, 0, 1, 1, 0, 1, 1, // 5
+ 1, 0, 1, 1, 1, 1, 1, // 6
+ 1, 1, 1, 0, 0, 0, 0, // 7
+ 1, 1, 1, 1, 1, 1, 1, // 8
+ 1, 1, 1, 1, 0, 1, 1, // 9
+ 1, 1, 1, 0, 1, 1, 1, // A
+ 0, 0, 1, 1, 1, 1, 1, // b
+ 1, 0, 0, 1, 1, 1, 0, // C
+ 0, 1, 1, 1, 1, 0, 1, // d
+ 1, 0, 0, 1, 1, 1, 1, // E
+ 1, 0, 0, 0, 1, 1, 1, // F
+ 0, 0, 0, 0, 0, 0, 0, // blank
+};
+
+enum Symbol
+{
+ V = 0b0000,
+ COL1 = 0b0001,
+ COL2 = 0b0010,
+ ONE = 0b0011,
+ VCR = 0b0100,
+ DVD = 0b0101,
+ VHS = 0b0110,
+
+ ANT = 0b1000,
+ CLK = 0b1001,
+ P = 0b1010,
+ NEG = 0b1011,
+ S = 0b1100,
+ PLAY = 0b1101,
+ REC = 0b1110
+};
+
+int binWriteDisplay (uint8_t digit, uint8_t segment)