116 lines
1.8 KiB
C++
116 lines
1.8 KiB
C++
#include "FastLED.h"
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#define NUM_STRIPS 2
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#define NUM_LEDS_PER_STRIP 180
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#define NUM_LEDS_PER_SQUARE 12
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#define NUM_SQUARES_PER_STRIP 15
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#define PIN_0 12
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#define PIN_1 13
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CRGB leds[NUM_STRIPS][NUM_LEDS_PER_STRIP];
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void setup() {
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FastLED.addLeds<NEOPIXEL, PIN_0>(leds[0], NUM_LEDS_PER_STRIP);
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FastLED.addLeds<NEOPIXEL, PIN_1>(leds[1], NUM_LEDS_PER_STRIP);
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Serial.begin(9600);
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}
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uint8_t hex;
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uint8_t stored[3];
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int rgb;
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int led;
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void loop() {
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if (Serial.available() > 0) {
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int data;
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switch (data = Serial.read()) {
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case 'r':
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resetState();
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break;
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case 'q':
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complete();
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break;
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case 'l': // end of LED
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nextLed();
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break;
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case 'n':
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nextColour();
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break;
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default:
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hex = (hex << 4) + charMap(data);
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break;
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}
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}
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}
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void nextColour() {
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stored[rgb++] = hex;
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hex = 0;
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}
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void nextLed() {
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CRGB color = CRGB(stored[0], stored[1], stored[2]);
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int strip = led / NUM_SQUARES_PER_STRIP;
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int start = (led * NUM_LEDS_PER_SQUARE) - (strip * NUM_LEDS_PER_STRIP);
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for (int i = start; i < start + NUM_LEDS_PER_SQUARE; i++) {
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leds[strip][i] = color;
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}
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led++;
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rgb = hex = 0;
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}
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void complete() {
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FastLED.show();
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led = rgb = hex = 0;
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}
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void resetState() {
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led = rgb = hex = 0;
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}
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uint8_t charMap(char c) {
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switch (c) {
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case '0':
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return 0;
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case '1':
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return 1;
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case '2':
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return 2;
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case '3':
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return 3;
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case '4':
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return 4;
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case '5':
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return 5;
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case '6':
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return 6;
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case '7':
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return 7;
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case '8':
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return 8;
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case '9':
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return 9;
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case 'a':
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return 10;
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case 'b':
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return 11;
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case 'c':
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return 12;
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case 'd':
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return 13;
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case 'e':
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return 14;
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case 'f':
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return 15;
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default:
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return 0;
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}
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}
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