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#include <Arduino.h>
#include <Wire.h>
#include <Adafruit_NeoTrellis.h>
#include "lib/pbdrv/pb-types.h"
#include "lib/pbdrv/pb-mod.h"
#define MATRIX_SIZE 8
#define LED_COLOR_ON 0x0000FF // Color of the LEDs in ON state
#define LED_COLOR_OFF 0x000000 // Color of the LEDs in OFF state
#define LED_COLOR_RED 0xFF0000 // Red color for UNINIT state
#define LED_COLOR_ORANGE 0xFFA500 // Orange color for IDLE 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
unsigned long previousMillis = 0;
const long interval = 500; // Interval at which to blink (milliseconds)
bool gamefield = false;
bool ledState = false;
// Puzzle state
pb_global_state_t puzzleState = PB_GS_NOINIT;
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;
}
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()) {
pb_hook_mod_state_write(PB_GS_SOLVED);
Serial.println("The NeoTrellis puzzle is solved!");
}
}
return 0;
}
void setup() {
Serial.begin(115200);
while (!Serial); // Wait for Serial to be read
if (!trellis.begin()) {
Serial.println("Failed to initialize NeoTrellis");
pb_hook_mod_state_write(PB_GS_NOINIT);
}
}
void set_game_field() {
if (gamefield == false){
// 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();
// 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);
}
gamefield = true;
}
}
pb_global_state_t pb_hook_mod_state_read() {
return puzzleState;
}
void pb_hook_mod_state_write(pb_global_state_t state) {
puzzleState = state;
}
void flashCorners(uint32_t color) {
unsigned long currentMillis = millis();
if (currentMillis - previousMillis >= interval) {
previousMillis = currentMillis;
ledState = !ledState;
for (int i = 0; i < MATRIX_SIZE / 4; i++) {
for (int j = 0; j < MATRIX_SIZE / 4; j++) {
int baseIndex = (i * 4 * MATRIX_SIZE) + (j * 4);
if (ledState) {
trellis.setPixelColor(baseIndex, color); // Top-left corner
trellis.setPixelColor(baseIndex + 3, color); // Top-right corner
trellis.setPixelColor(baseIndex + 3 * MATRIX_SIZE, color); // Bottom-left corner
trellis.setPixelColor(baseIndex + 3 * MATRIX_SIZE + 3, color); // Bottom-right corner
} else {
trellis.setPixelColor(baseIndex, LED_COLOR_OFF);
trellis.setPixelColor(baseIndex + 3, LED_COLOR_OFF);
trellis.setPixelColor(baseIndex + 3 * MATRIX_SIZE, LED_COLOR_OFF);
trellis.setPixelColor(baseIndex + 3 * MATRIX_SIZE + 3, LED_COLOR_OFF);
}
}
}
trellis.show();
}
}
void loop() {
switch(puzzleState) {
case PB_GS_PLAYING:
set_game_field();
trellis.read(); // Process button events
delay(20);
break;
case PB_GS_SOLVED:
Serial.println("STATE = PB_GS_SOLVED");
break;
case PB_GS_NOINIT:
Serial.println("STATE = PB_GS_NOINIT");
flashCorners(LED_COLOR_RED);
break;
case PB_GS_IDLE:
Serial.println("STATE = PB_GS_IDLE");
flashCorners(LED_COLOR_ORANGE);
break;
}
}
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