1 files changed, 95 insertions, 0 deletions
diff --git a/puzzle/neo/arduino-neopuzzle/arduino-neopuzzle.ino b/puzzle/neo/arduino-neopuzzle/arduino-neopuzzle.ino
new file mode 100644
index 0000000..b334677
--- /dev/null
+++ b/puzzle/neo/arduino-neopuzzle/arduino-neopuzzle.ino
@@ -0,0 +1,95 @@
+#include <Wire.h>
+#include <Adafruit_NeoTrellis.h>
+
+#define MATRIX_SIZE 8
+#define LED_COLOR_ON 0xFFFFFF // Color of the LEDs in ON state
+#define LED_COLOR_OFF 0x000000 // Color of the LEDs in OFF state
+
+Adafruit_NeoTrellis t_array[MATRIX_SIZE / 4][MATRIX_SIZE / 4] = {
+    {Adafruit_NeoTrellis(0x2E), Adafruit_NeoTrellis(0x2F)},
+    {Adafruit_NeoTrellis(0x30), Adafruit_NeoTrellis(0x32)}
+};
+
+Adafruit_MultiTrellis trellis((Adafruit_NeoTrellis *)t_array, MATRIX_SIZE / 4, MATRIX_SIZE / 4);
+
+bool neoMatrix[MATRIX_SIZE][MATRIX_SIZE]; // To track state of each pixel
+
+enum NeoState {
+    NEO_UNINITIALIZED,
+    NEO_PLAYING,
+    NEO_SOLVED
+};
+
+NeoState neoState = NEO_UNINITIALIZED;
+
+void setup() {
+    Serial.begin(115200);
+    while (!Serial); // Wait for Serial to be ready
+
+    if (!trellis.begin()) {
+        Serial.println("Failed to initialize NeoTrellis");
+        while (1) delay(1);
+    }
+
+    // Initialize the matrix with a checkerboard pattern
+    bool toggle = false;
+    for (int i = 0; i < MATRIX_SIZE; i++) {
+        for (int j = 0; j < MATRIX_SIZE; j++) {
+            neoMatrix[i][j] = toggle;
+            toggle = !toggle;
+            trellis.setPixelColor(i * MATRIX_SIZE + j, neoMatrix[i][j] ? LED_COLOR_ON : LED_COLOR_OFF);
+        }
+        toggle = !toggle;
+    }
+    trellis.show();
+    neoState = NEO_PLAYING;
+
+    // Register the callback for each key
+    for (int i = 0; i < MATRIX_SIZE * MATRIX_SIZE; i++) {
+        trellis.activateKey(i, SEESAW_KEYPAD_EDGE_RISING, true);
+        trellis.activateKey(i, SEESAW_KEYPAD_EDGE_FALLING, true);
+        trellis.registerCallback(i, buttonCallback);
+    }
+}
+
+void loop() {
+    trellis.read(); // Process button events
+    delay(20);
+}
+
+TrellisCallback buttonCallback(keyEvent evt) {
+    int x = evt.bit.NUM / MATRIX_SIZE;
+    int y = evt.bit.NUM % MATRIX_SIZE;
+
+    if (evt.bit.EDGE == SEESAW_KEYPAD_EDGE_RISING) {
+        toggleAdjacentLEDs(x, y);
+        trellis.show();
+        if (isNeoPuzzleSolved()) {
+            neoState = NEO_SOLVED;
+            Serial.println("The NeoTrellis puzzle is solved!");
+        }
+    }
+    return 0;
+}
+
+void toggleAdjacentLEDs(int x, int y) {
+    for (int dx = -1; dx <= 1; ++dx) {
+        for (int dy = -1; dy <= 1; ++dy) {
+            if (dx == 0 && dy == 0) continue; // Skip the center button itself
+            int nx = x + dx, ny = y + dy;
+            if (nx >= 0 && nx < MATRIX_SIZE && ny >= 0 && ny < MATRIX_SIZE) {
+                neoMatrix[nx][ny] = !neoMatrix[nx][ny];
+                trellis.setPixelColor(nx * MATRIX_SIZE + ny, neoMatrix[nx][ny] ? LED_COLOR_ON : LED_COLOR_OFF);
+            }
+        }
+    }
+}
+
+bool isNeoPuzzleSolved() {
+    for (int i = 0; i < MATRIX_SIZE; i++) {
+        for (int j = 0; j < MATRIX_SIZE; j++) {
+            if (neoMatrix[i][j]) return false; // If any LED is on, puzzle is not solved
+        }
+    }
+    return true;
+}