From 3a53fb080515567d8f91f27d68d2c51e5e1ce8b3 Mon Sep 17 00:00:00 2001
From: Johannes Findeisen <you@hanez.org>
Date: Thu, 10 Sep 2015 03:29:00 +0200
Subject: [PATCH] Added very old code for driving a 5x7 dot matrix LED display

---
 Matrix/MatrixFonts3x5.h | 233 ++++++++++++++++++++++++++++++++++++++++
 Matrix/matrix.pde       | 225 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 458 insertions(+)
 create mode 100644 Matrix/MatrixFonts3x5.h
 create mode 100644 Matrix/matrix.pde

diff --git a/Matrix/MatrixFonts3x5.h b/Matrix/MatrixFonts3x5.h
new file mode 100644
index 0000000..5eebe99
--- /dev/null
+++ b/Matrix/MatrixFonts3x5.h
@@ -0,0 +1,233 @@
+
+#define A { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,0,0}, \
+  {0,0,0,1,0,1,0}, \
+  {0,1,1,1,1,0,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define B { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,1,0,1,0,1,0}, \
+  {0,0,1,0,1,0,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define C { \
+  {0,0,0,0,0,0,0}, \
+  {0,0,1,1,1,0,0}, \
+  {0,1,0,0,0,1,0}, \
+  {0,0,1,0,1,0,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define D { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,1,0,0,0,1,0}, \
+  {0,0,1,1,1,0,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define E { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,1,0,1,0,1,0}, \
+  {0,1,0,0,0,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define F { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,1,0,1,0}, \
+  {0,0,0,0,0,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define G { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,1,0,1,0,1,0}, \
+  {0,1,1,1,0,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define H { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,1,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define I { \
+  {0,0,0,0,0,0,0}, \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,0,0,0,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define J { \
+  {0,0,0,0,0,0,0}, \
+  {0,0,1,1,0,0,0}, \
+  {0,1,0,0,0,0,0}, \
+  {0,0,1,1,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define K { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,1,0,0,0}, \
+  {0,1,1,0,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define L { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,1,0,0,0,0,0}, \
+  {0,1,0,0,0,0,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define M { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,0,1,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define N { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,1,1,1,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define O { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,1,0,0,0,1,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define P { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,1,0,1,0}, \
+  {0,0,0,1,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define Q { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,1,0,0,0,1,0}, \
+  {0,0,1,1,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define R { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,1,1,0,1,0}, \
+  {0,1,0,1,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define S { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,0,0,1,0,0}, \
+  {0,1,0,1,0,1,0}, \
+  {0,0,1,0,0,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define T { \
+  {0,0,0,0,0,0,0}, \
+  {0,0,0,0,0,1,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,0,0,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define U { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,1,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define V { \
+  {0,0,0,0,0,0,0}, \
+  {0,0,1,1,1,1,0}, \
+  {0,1,0,0,0,0,0}, \
+  {0,0,1,1,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define W { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,1,0,0,0,0}, \
+  {0,1,1,1,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define X { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,1,0,1,1,0}, \
+  {0,0,0,1,0,0,0}, \
+  {0,1,1,0,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define Y { \
+  {0,0,0,0,0,0,0}, \
+  {0,0,0,0,1,1,0}, \
+  {0,1,1,1,0,0,0}, \
+  {0,0,0,0,1,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define Z { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,0,0,1,1,0}, \
+  {0,1,0,1,0,1,0}, \
+  {0,1,1,0,0,1,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define DASH { \
+  {0,0,0,0,0,0,0}, \
+  {0,0,0,1,0,0,0}, \
+  {0,0,0,1,0,0,0}, \
+  {0,0,0,1,0,0,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define SPACE { \
+  {0,0,0,0,0,0,0}, \
+  {0,0,0,0,0,0,0}, \
+  {0,0,0,0,0,0,0}, \
+  {0,0,0,0,0,0,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
+#define DOT { \
+  {0,0,0,0,0,0,0}, \
+  {0,1,0,0,0,0,0}, \
+  {0,0,0,0,0,0,0}, \
+  {0,0,0,0,0,0,0}, \
+  {0,0,0,0,0,0,0} \
+}
+
diff --git a/Matrix/matrix.pde b/Matrix/matrix.pde
new file mode 100644
index 0000000..4929319
--- /dev/null
+++ b/Matrix/matrix.pde
@@ -0,0 +1,225 @@
+#include <TimerOne.h>
+#include <MatrixFonts3x5.h>
+
+#define COLS 5
+#define ROWS 7
+#define PINS 13
+
+#define MATRIX1 { \
+  {1,0,1,0,1,0,1}, \
+  {0,1,0,1,0,1,0}, \
+  {1,0,1,0,1,0,1}, \
+  {0,1,0,1,0,1,0}, \
+  {1,0,1,0,1,0,1} \
+}
+
+#define MATRIX2 { \
+  {0,1,0,1,0,1,0}, \
+  {1,0,1,0,1,0,1}, \
+  {0,1,0,1,0,1,0}, \
+  {1,0,1,0,1,0,1}, \
+  {0,1,0,1,0,1,0} \
+}
+
+byte col = 0;
+byte leds[COLS][ROWS];
+
+// pin[xx] on led matrix connected to nn on Arduino (-1 is dummy to make array start at pos 1)
+int pins[PINS]= {-1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
+
+// col[xx] of leds = pin yy on led matrix
+int cols[COLS] = {pins[1], pins[3], pins[10], pins[7], pins[8]};
+
+// row[xx] of leds = pin yy on led matrix
+int rows[ROWS] = {pins[12], pins[11], pins[2], pins[9], pins[4], pins[5], pins[6]};
+
+const int numPatterns = 14;
+byte patterns[numPatterns][COLS][ROWS] = {H,A,L,L,O,DASH,W,E,L,T,DOT,DOT,DOT,SPACE};
+
+int pattern = 0;
+
+void setup() {
+  
+  //Serial.begin(9600);
+  
+  // sets the pins as output
+  for (int i = 0; i < PINS; i++) {
+    pinMode(pins[i], OUTPUT);
+  }
+
+  // set up cols
+  for (int i = 1; i <= COLS; i++) {
+    digitalWrite(cols[i - 1], 0);
+  }
+  //  and rows
+  for (int i = 1; i <= ROWS; i++) {
+    digitalWrite(rows[i - 1], 1);
+  }
+ 
+  blink();
+  five2one();
+  
+  clearLeds();
+
+  Timer1.initialize(2000);         // initialize timer1, and set a 1/2 second period
+  Timer1.attachInterrupt(display);  // attaches display() as a timer overflow interrupt
+ 
+  setPattern(pattern);
+}
+
+void loop() {
+ pattern = ++pattern % numPatterns;
+ slidePattern(pattern, 180);
+}
+// Interrupt routine
+void display() {
+  digitalWrite(cols[col], 0);  // Turn whole previous column off
+  col++;
+  if (col == 5) {
+    col = 0;
+  }
+  for (int row = 0; row < 7; row++) {
+    if (leds[col][(ROWS - 1) - row] == 1) {
+      digitalWrite(rows[row], 0);  // Turn on this led
+    }
+    else {
+      digitalWrite(rows[row], 1); // Turn off this led
+    }
+   // delay(10);
+  }
+  digitalWrite(cols[col], 1); // Turn whole column on at once (for equal lighting times)
+
+}
+
+void slidePattern(int pattern, int del) {
+  for (int l = 0; l < COLS; l++) {
+    for (int i = 0; i < (COLS - 1); i++) {
+      for (int j = 0; j < ROWS; j++) {
+        leds[i][j] = leds[i + 1][j];
+      }
+    }
+    for (int j = 0; j < ROWS; j++) {
+      leds[4][j] = patterns[pattern][0 + l][j];
+    }
+    delay(del);
+  }
+}
+
+void clearLeds() {
+  // Clear display array
+  for (int i = 0; i < COLS; i++) {
+    for (int j = 0; j < ROWS; j++) {
+      leds[i][j] = 0;
+    }
+  }
+}
+  
+void setPattern(int pattern) {
+  for (int i = 0; i < COLS; i++) {
+    for (int j = 0; j < ROWS; j++) {
+      leds[i][j] = patterns[pattern][i][j];
+    }
+  }
+}
+
+void blink() {
+  for(int i = 0; i < 12; i++) {
+    if(i % 2 != 0) {
+      digitalWrite(cols[0], 1);
+      digitalWrite(cols[1], 0);
+      digitalWrite(cols[2], 0);
+      digitalWrite(cols[3], 0);
+      digitalWrite(cols[4], 0);
+      digitalWrite(rows[0], 0);
+      digitalWrite(rows[1], 1);
+      digitalWrite(rows[2], 1);
+      digitalWrite(rows[3], 1);
+      digitalWrite(rows[4], 1);
+      digitalWrite(rows[5], 1);
+      digitalWrite(rows[6], 1);
+    } else {
+      digitalWrite(cols[0], 0);
+      digitalWrite(cols[1], 0);
+      digitalWrite(cols[2], 0);
+      digitalWrite(cols[3], 0);
+      digitalWrite(cols[4], 0);
+      digitalWrite(rows[0], 1);
+      digitalWrite(rows[1], 1);
+      digitalWrite(rows[2], 1);
+      digitalWrite(rows[3], 1);
+      digitalWrite(rows[4], 1);
+      digitalWrite(rows[5], 1);
+      digitalWrite(rows[6], 1);
+    }
+    delay(100);
+  }
+}
+
+void five2one() {
+  digitalWrite(cols[0], 1);
+  digitalWrite(cols[1], 0);
+  digitalWrite(cols[2], 0);
+  digitalWrite(cols[3], 0);
+  digitalWrite(cols[4], 0);
+  digitalWrite(rows[0], 0);
+  digitalWrite(rows[1], 1);
+  digitalWrite(rows[2], 1);
+  digitalWrite(rows[3], 1);
+  digitalWrite(rows[4], 1);
+  digitalWrite(rows[5], 1);
+  digitalWrite(rows[6], 1);
+  delay(100);
+  digitalWrite(cols[0], 0);
+  digitalWrite(cols[1], 1);
+  digitalWrite(cols[2], 0);
+  digitalWrite(cols[3], 0);
+  digitalWrite(cols[4], 0);
+  digitalWrite(rows[0], 0);
+  digitalWrite(rows[1], 1);
+  digitalWrite(rows[2], 1);
+  digitalWrite(rows[3], 1);
+  digitalWrite(rows[4], 1);
+  digitalWrite(rows[5], 1);
+  digitalWrite(rows[6], 1);
+  delay(100);
+  digitalWrite(cols[0], 0);
+  digitalWrite(cols[1], 0);
+  digitalWrite(cols[2], 1);
+  digitalWrite(cols[3], 0);
+  digitalWrite(cols[4], 0);
+  digitalWrite(rows[0], 0);
+  digitalWrite(rows[1], 1);
+  digitalWrite(rows[2], 1);
+  digitalWrite(rows[3], 1);
+  digitalWrite(rows[4], 1);
+  digitalWrite(rows[5], 1);
+  digitalWrite(rows[6], 1);
+  delay(100);
+  digitalWrite(cols[0], 0);
+  digitalWrite(cols[1], 0);
+  digitalWrite(cols[2], 0);
+  digitalWrite(cols[3], 1);
+  digitalWrite(cols[4], 0);
+  digitalWrite(rows[0], 0);
+  digitalWrite(rows[1], 1);
+  digitalWrite(rows[2], 1);
+  digitalWrite(rows[3], 1);
+  digitalWrite(rows[4], 1);
+  digitalWrite(rows[5], 1);
+  digitalWrite(rows[6], 1);
+  delay(100);
+  digitalWrite(cols[0], 0);
+  digitalWrite(cols[1], 0);
+  digitalWrite(cols[2], 0);
+  digitalWrite(cols[3], 0);
+  digitalWrite(cols[4], 1);
+  digitalWrite(rows[0], 0);
+  digitalWrite(rows[1], 1);
+  digitalWrite(rows[2], 1);
+  digitalWrite(rows[3], 1);
+  digitalWrite(rows[4], 1);
+  digitalWrite(rows[5], 1);
+  digitalWrite(rows[6], 1);
+  delay(100);
+}
+