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8By8/8By8.ino

@@ -0,0 +1,78 @@
+#include "TimerOne.h"
+
+#define TIME_PER_LAYER_IN_US 700
+#define BUS_START_PIN 22
+#define CLOCK_START_PIN 30
+#define SW_START_PIN 38
+
+class Cube {
+private:
+  static int layer_count;
+  static int brightness_count;
+
+public:
+  // Every int represents a row of 8 LED status.
+  static int LED_status[8][8];
+
+  static void display() {
+    // Serial.println("Here");
+    if (brightness_count >= 2) {
+      digitalWrite(SW_START_PIN + layer_count, LOW);
+      layer_count = (layer_count + 1) % 8;
+    }
+
+    brightness_count = (brightness_count + 1) % 3;
+
+    for (int i = 0; i < 8; i++) {
+        for (int j = 0; j < 8; j++) {
+            // In LED_status:
+            // 0 = off
+            // 4 = brightest
+            digitalWrite(BUS_START_PIN + j, ((LED_status[layer_count][i] >> (j * 2)) & 3) >= (3 - brightness_count));
+        }
+        digitalWrite(CLOCK_START_PIN + i, HIGH);
+        digitalWrite(CLOCK_START_PIN + i, LOW);
+    }
+
+    digitalWrite(SW_START_PIN + layer_count, HIGH);
+  }
+
+  static void set_status(int x, int y, int z, int brightness) {
+    x %= 8;
+    y %= 8;
+    z %= 8;
+    brightness %= 4;
+    LED_status[z][x] = (LED_status[z][x] & (~(3 << (y * 2)))) | (brightness << (y * 2));
+  }
+};
+
+int Cube::layer_count = 0;
+int Cube::brightness_count = 0;
+int Cube::LED_status[8][8] = {0};
+int bright = 3;
+
+void setup() {
+    for (int i = 22; i < 46; i++) {
+        pinMode(i, OUTPUT);
+    }
+
+    Timer1.initialize();
+    Timer1.setPeriod(TIME_PER_LAYER_IN_US);
+    Timer1.attachInterrupt(Cube::display);
+
+    Serial.begin(115200);
+
+}
+
+void loop() {
+    
+    for (int i = 7; i >= 0; i--) {
+        for (int j = 0; j < 8; j++) {
+            for (int k = 0; k < 8; k++) {
+                Cube::set_status(i, j, k, bright);
+                delay(5);
+            }
+        }
+    }
+    bright = (bright + 1) % 4;
+}

Test/Test.ino

@@ -1,85 +1,50 @@
-#include "TimerOne.h"
+byte status = 0;
-
+byte layer = 0;
-const byte cath_low = 3, cath_high = 2;
-const byte anode_start = 4;
 
 void setup() {
-  pinMode(cath_low, OUTPUT);
+  Serial.begin(115200);
-  pinMode(cath_high, OUTPUT);
+  for (int i = 0; i < 8; i++) {
-  for (int i = 0; i < 4; i++) {
+    pinMode(22 + i, OUTPUT);
-    pinMode(anode_start + i, OUTPUT);
+  }
+  // pinMode(30, OUTPUT);
+  // pinMode(31, OUTPUT);
+
+  for (int i = 0; i < 8; i++) {
+    pinMode(30 + i, OUTPUT);
   }
 
-  Serial.begin(115200);
+  for (int i = 0; i < 8; i++) {
-
+    pinMode(38 + i, OUTPUT);
-  Timer1.initialize();
+  }
-  Timer1.setPeriod(1000);
-  Timer1.attachInterrupt(displayOneLayer);
 }
 
-byte LED_status = 0;
+int column = 0;
-byte currentDisplayLayer = 0;
 
 void loop() {
-  // if (Serial.available()) {
+  if (Serial.available()) {
-  //   char input = Serial.read();
+    int num = Serial.read();
-  //   if (input >= '0' && input < '9') {
+    if (num >= '0' && num <= '7') {
-  //     int LED_num = input - '0';
+      num = num - '0';
-  //     LED_status ^= 1 << LED_num;
+      status ^= 1 << num;
-  //   }
-  // }
-  //   for (int i = 0; i < 8; i++) {
-  //     LED_status ^= 1 << i;
-  //     delay(75);
-  //   }
 
-  int count = 0;
+      for (int i = 0; i < 8; i++) {
-  while (true) {
+        digitalWrite(22 + i, status >> i & 1);
-    randomSeed(analogRead(0));
+      }
-    int num = random(0, 8);
-    if (!(LED_status & (1 << num))) {
-      count++;
-      LED_status ^= 1 << num;
-      delay(100);
-    }
-    if (count >= 8) {
-      break;
-    }
-  }
 
-  delay(500);
+      Serial.println(status, BIN);
-
+    } else if (num >= 'a' && num <= 'h') {
-  while (true) {
+      num = num - 'a';
-    randomSeed(analogRead(0));
+      column = num;
-    int num = random(0, 8);
+      Serial.print("LOAD");
-    if (LED_status & (1 << num)) {
+      Serial.print(num);
-      count--;
+      Serial.println(status, BIN);
-      LED_status ^= 1 << num;
+      digitalWrite(30 + column, HIGH);
-      delay(100);
+      digitalWrite(30 + column, LOW);
     }
-
+    else if (num == 'z') {
-    if (count <= 0) {
+      digitalWrite(38 + layer, LOW);
-      break;
+      layer = (layer + 1) % 8;
+      digitalWrite(38 + layer, HIGH);
     }
   }
-
-  delay(500);
-}
-
-void displayOneLayer() {
-  //   Serial.println(LED_status, BIN);
-  currentDisplayLayer = (currentDisplayLayer + 1) % 2;
-  if (currentDisplayLayer == 0) {
-    digitalWrite(cath_high, LOW);
-    for (int i = 0; i < 4; i++) {
-      digitalWrite(anode_start + i, (LED_status >> i) & 1);
-    }
-    digitalWrite(cath_low, HIGH);
-  } else {
-    digitalWrite(cath_low, LOW);
-    for (int i = 0; i < 4; i++) {
-      digitalWrite(anode_start + i, (LED_status >> (i + 4)) & 1);
-    }
-    digitalWrite(cath_high, HIGH);
-  }
 }