//****************************************************//
// Name : Cadaces Driver //
// Author : Bob Davis //
// Date : 4 January, 2013 //
// Version : 1.0 //
//****************************************************//
// Pins for the row drivers
int row1Pin = 1;
int row2Pin = 2;
int row3Pin = 3;
int rowEnable = 4;
// Pins for column shift registers
int rclockPin = 5;
int clockPin = 6;
int dataPin = 7;
int clockPin1 = 8;
int dataPin1 = 9;
int clockPin2 = 10;
int dataPin2 = 11;
int clockPin3 = 12;
int dataPin3 = 13;
// Set the pins to output to the sign
void setup() {
pinMode(row1Pin, OUTPUT);
pinMode(row2Pin, OUTPUT);
pinMode(row3Pin, OUTPUT);
pinMode(rowEnable, OUTPUT);
pinMode(rclockPin, OUTPUT);
pinMode(clockPin, OUTPUT);
pinMode(dataPin, OUTPUT);
pinMode(clockPin1, OUTPUT);
pinMode(dataPin1, OUTPUT);
pinMode(clockPin2, OUTPUT);
pinMode(dataPin2, OUTPUT);
pinMode(clockPin3, OUTPUT);
pinMode(dataPin3, OUTPUT);
}
//=== Character Array ===
// Characters are A, B, C, etc. Only upper case, no symbols.
byte alphabets[][8] = {
{0, 04, 10, 17, 17, 31, 17, 17}, //A
{0, 30, 17, 17, 30, 17, 17, 30}, //B
{0, 14, 17, 16, 16, 16, 17, 14}, //C
{0, 28, 18, 17, 17, 17, 18, 28}, //D
{0, 31, 16, 16, 31, 16, 16, 31}, //E
{0, 31, 16, 16, 31, 16, 16, 16}, //F
{0, 14, 17, 16, 16, 19, 17, 14}, //G
{0, 17, 17, 17, 31, 17, 17, 17}, //H
{0, 14, 04, 04, 04, 04, 04, 14}, //I
{0, 07, 02, 02, 02, 02, 10, 14}, //J
{0, 17, 18, 20, 24, 20, 18, 17}, //K
{0, 16, 16, 16, 16, 16, 16, 31}, //L
{0, 10, 21, 21, 21, 17, 17, 17}, //M
{0, 17, 25, 25, 21, 19, 19, 17}, //N
{0, 14, 17, 17, 17, 17, 17, 14}, //O
{0, 30, 17, 17, 30, 16, 16, 16}, //P
{0, 14, 17, 17, 17, 17, 19, 15}, //Q
{0, 30, 17, 17, 30, 20, 18, 17}, //R
{0, 14, 17, 16, 14, 01, 17, 14}, //S
{0, 31, 04, 04, 04, 04, 04, 04}, //T
{0, 17, 17, 17, 17, 17, 17, 14}, //U
{0, 17, 17, 17, 10, 10, 10, 04}, //V
{0, 17, 17, 17, 21, 21, 21, 10}, //W
{0, 17, 17, 10, 04, 10, 17, 17}, //X
{0, 17, 10, 10, 04, 04, 04, 04}, //Y
{0, 31, 8, 04, 02, 04, 8, 31}, //Z
};
byte bitmap[][8] = {
{0, 30, 17, 17, 30, 17, 17, 30}, //B
{0, 14, 04, 04, 04, 04, 04, 14}, //I
{0, 14, 17, 16, 16, 19, 17, 14}, //G
{0, 0,0,0,0,0,0,0},
{0, 4, 10, 17, 17, 31, 17, 17}, //A
{0, 30, 17, 17, 30, 20, 18, 17}, //R
{0, 28, 18, 17, 17, 17, 18, 28}, //D
{0, 17, 17, 17, 17, 17, 17, 14}, //U
{0, 14, 04, 04, 04, 04, 04, 14}, //I
{0, 17, 25, 25, 21, 19, 19, 17}, //N
{0, 14, 17, 17, 17, 17, 17, 14}, //O
{0, 0,0,0,0,0,0,0},
{0, 14, 17, 16, 14, 01, 17, 14}, //S
{0, 14, 04, 04, 04, 04, 04, 14}, //I
{0, 14, 17, 16, 16, 19, 17, 14}, //G
{0, 17, 25, 25, 21, 19, 19, 17}, //N
{0, 0,0,0,0,0,0,0},
};
void RunSign()
{
for (int row = 7; row > 0; row--)
{
// turn off display
digitalWrite(rowEnable, HIGH);
// send serial data to display 15 = number of led arrays
for (int character = 0; character < 16; character++)
{
shiftOut(dataPin, clockPin, MSBFIRST, bitmap[character][row]);
// shiftOut(dataPin1, clockPin1, MSBFIRST, bitmap[character][row]);
// shiftOut(dataPin2, clockPin2, MSBFIRST, bitmap[character][row]);
shiftOut(dataPin3, clockPin3, MSBFIRST, bitmap[character][row]);
}
//latch the data
digitalWrite(rclockPin, LOW); digitalWrite(rclockPin, HIGH);
// set up 74138 row sesection and turn display back on
digitalWrite(row1Pin, LOW);
digitalWrite(row2Pin, LOW);
digitalWrite(row3Pin, LOW);
if (row==1 or row==3 or row==5 or row==7) digitalWrite (row1Pin, HIGH);
if (row==2 or row==3 or row==6 or row==7) digitalWrite (row2Pin, HIGH);
if (row >= 4) digitalWrite (row3Pin, HIGH);
digitalWrite(rowEnable, LOW);
// Wait to see what we sent to the display ;
delayMicroseconds(500);
}
}
//=== L O O P ===
void loop() {
RunSign();
}
