diff --git a/main/main.ino b/main/main.ino index 3a73591..d4647ff 100644 --- a/main/main.ino +++ b/main/main.ino @@ -1,60 +1,61 @@ #include -#include -#include // Optional: Use any font from Adafruit_GFX -#define DATA_PIN D2 // Data pin for the matrix -#define NUM_LEDS 256 // Total LEDs (8 rows x 32 columns) -#define LED_TYPE WS2812 // LED type -#define COLOR_ORDER GRB // Color order +// Params for width and height +const uint8_t kMatrixWidth = 32; +const uint8_t kMatrixHeight = 16; -CRGB leds[NUM_LEDS]; // Array to store the LED colors -Adafruit_GFX *gfx; // Pointer to the graphics object -int textX = 32; // Starting X position for scrolling text +#define NUM_LEDS (kMatrixWidth * kMatrixHeight) +#define DATA_PIN D2 +#define LAST_VISIBLE_LED 511 + +CRGB leds[NUM_LEDS]; + +uint16_t XY(uint8_t x, uint8_t y) { + // any out of bounds address maps to the first hidden pixel + if ((x >= kMatrixWidth) || (y >= kMatrixHeight)) { + return (LAST_VISIBLE_LED + 1); + } + + const int XYTable[] = { + 248, 247, 232, 231, 216, 215, 200, 199, 184, 183, 168, 167, 152, 151, 136, 135, 120, 119, 104, 103, 88, 87, 72, 71, 56, 55, 40, 39, 24, 23, 8, 7, + 249, 246, 233, 230, 217, 214, 201, 198, 185, 182, 169, 166, 153, 150, 137, 134, 121, 118, 105, 102, 89, 86, 73, 70, 57, 54, 41, 38, 25, 22, 9, 6, + 250, 245, 234, 229, 218, 213, 202, 197, 186, 181, 170, 165, 154, 149, 138, 133, 122, 117, 106, 101, 90, 85, 74, 69, 58, 53, 42, 37, 26, 21, 10, 5, + 251, 244, 235, 228, 219, 212, 203, 196, 187, 180, 171, 164, 155, 148, 139, 132, 123, 116, 107, 100, 91, 84, 75, 68, 59, 52, 43, 36, 27, 20, 11, 4, + 252, 243, 236, 227, 220, 211, 204, 195, 188, 179, 172, 163, 156, 147, 140, 131, 124, 115, 108, 99, 92, 83, 76, 67, 60, 51, 44, 35, 28, 19, 12, 3, + 253, 242, 237, 226, 221, 210, 205, 194, 189, 178, 173, 162, 157, 146, 141, 130, 125, 114, 109, 98, 93, 82, 77, 66, 61, 50, 45, 34, 29, 18, 13, 2, + 254, 241, 238, 225, 222, 209, 206, 193, 190, 177, 174, 161, 158, 145, 142, 129, 126, 113, 110, 97, 94, 81, 78, 65, 62, 49, 46, 33, 30, 17, 14, 1, + 255, 240, 239, 224, 223, 208, 207, 192, 191, 176, 175, 160, 159, 144, 143, 128, 127, 112, 111, 96, 95, 80, 79, 64, 63, 48, 47, 32, 31, 16, 15, 0, + 256, 271, 272, 287, 288, 303, 304, 319, 320, 335, 336, 351, 352, 367, 368, 383, 384, 399, 400, 415, 416, 431, 432, 447, 448, 463, 464, 479, 480, 495, 496, 511, + 257, 270, 273, 286, 289, 302, 305, 318, 321, 334, 337, 350, 353, 366, 369, 382, 385, 398, 401, 414, 417, 430, 433, 446, 449, 462, 465, 478, 481, 494, 497, 510, + 258, 269, 274, 285, 290, 301, 306, 317, 322, 333, 338, 349, 354, 365, 370, 381, 386, 397, 402, 413, 418, 429, 434, 445, 450, 461, 466, 477, 482, 493, 498, 509, + 259, 268, 275, 284, 291, 300, 307, 316, 323, 332, 339, 348, 355, 364, 371, 380, 387, 396, 403, 412, 419, 428, 435, 444, 451, 460, 467, 476, 483, 492, 499, 508, + 260, 267, 276, 283, 292, 299, 308, 315, 324, 331, 340, 347, 356, 363, 372, 379, 388, 395, 404, 411, 420, 427, 436, 443, 452, 459, 468, 475, 484, 491, 500, 507, + 261, 266, 277, 282, 293, 298, 309, 314, 325, 330, 341, 346, 357, 362, 373, 378, 389, 394, 405, 410, 421, 426, 437, 442, 453, 458, 469, 474, 485, 490, 501, 506, + 262, 265, 278, 281, 294, 297, 310, 313, 326, 329, 342, 345, 358, 361, 374, 377, 390, 393, 406, 409, 422, 425, 438, 441, 454, 457, 470, 473, 486, 489, 502, 505, + 263, 264, 279, 280, 295, 296, 311, 312, 327, 328, 343, 344, 359, 360, 375, 376, 391, 392, 407, 408, 423, 424, 439, 440, 455, 456, 471, 472, 487, 488, 503, 504 + }; + + int i = (y * kMatrixWidth) + x; + int j = XYTable[i]; + return j; +} void setup() { - FastLED.addLeds(leds, NUM_LEDS); // Set up FastLED - FastLED.setBrightness(50); // Set brightness level (0-255) - - gfx = new Adafruit_GFX(32, 8); // Initialize the graphics object for a 32x8 matrix - - // Initialize the matrix (clear it first) - fill_solid(leds, NUM_LEDS, CRGB::Black); + FastLED.addLeds(leds, NUM_LEDS); + FastLED.clear(); FastLED.show(); } void loop() { - // Message to scroll - String message = "Hello World! "; - - // Scroll the message across the screen - for (int x = textX; x >= -message.length() * 6; x--) { - // Clear the previous frame - fill_solid(leds, NUM_LEDS, CRGB::Black); - - // Draw the text at the current position (x) - gfx->setCursor(x, 0); - gfx->setTextColor(CRGB::White); // Set text color - gfx->setTextSize(1); // Set text size - gfx->print(message); // Print the message - - // Copy the graphics buffer to the LED array - drawMatrixToLEDs(); - - // Show the updated LEDs - FastLED.show(); - delay(100); // Adjust the speed of the scroll - } - - // Reset the starting point for the scroll after it goes off-screen - textX = 32; -} - -// Function to copy the Adafruit_GFX buffer to the LED array -void drawMatrixToLEDs() { - for (int i = 0; i < 32; i++) { - for (int j = 0; j < 8; j++) { - int pixelColor = gfx->getTextColor(); // Get the color of the pixel (white or black) - leds[j + i * 8] = (pixelColor == CRGB::White) ? CRGB::White : CRGB::Black; + for (int y = 0; y < kMatrixHeight; y++) { + for (int x = 0; x < kMatrixWidth; x++) { + int index = XY(x, y); + if (index <= LAST_VISIBLE_LED) { + leds[index] = CRGB::White; + FastLED.show(); + delay(10); + leds[index] = CRGB::Black; + } } } -} +} \ No newline at end of file