103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
#include "FastLED.h"
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// How many leds in your strip?
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#define NUM_LEDS 240
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// For led chips like Neopixels, which have a data line, ground, and power, you just
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// need to define DATA_PIN. For led chipsets that are SPI based (four wires - data, clock,
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// ground, and power), like the LPD8806 define both DATA_PIN and CLOCK_PIN
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#define DATA_PIN 6
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#define CLOCK_PIN 13
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#define COLOR_ORDER RGB
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// Adalight sends a "Magic Word" (defined in /etc/boblight.conf) before sending the pixel data
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uint8_t prefix[] = {'A', 'd', 'a'}, hi, lo, chk, i;
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// Baudrate, higher rate allows faster refresh rate and more LEDs (defined in /etc/boblight.conf)
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#define serialRate 460800
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// Define the array of leds
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CRGB leds[NUM_LEDS];
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void setup() {
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// Uncomment/edit one of the following lines for your leds arrangement.
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// FastLED.addLeds<TM1803, DATA_PIN, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<TM1804, DATA_PIN, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<TM1809, DATA_PIN, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<WS2811, DATA_PIN, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<WS2812, DATA_PIN, RGB>(leds, NUM_LEDS);
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FastLED.addLeds<WS2812B, DATA_PIN, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
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// FastLED.addLeds<UCS1903, DATA_PIN, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<UCS1903B, DATA_PIN, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<GW6205, DATA_PIN, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<GW6205_400, DATA_PIN, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<WS2801, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<SM16716, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<LPD8806, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<WS2801, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<SM16716, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
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// FastLED.addLeds<LPD8806, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
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// initial RGB flash
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LEDS.showColor(CRGB(255, 0, 0));
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delay(250);
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LEDS.showColor(CRGB(0, 255, 0));
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delay(250);
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LEDS.showColor(CRGB(0, 0, 255));
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delay(250);
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LEDS.showColor(CRGB(0, 0, 0));
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Serial.begin(serialRate);
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Serial.print("Ada\n"); // Send "Magic Word" string to host
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}
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void loop() {
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// wait for first byte of Magic Word
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for (i = 0; i < sizeof prefix; ++i) {
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waitLoop: while (!Serial.available()) ;;
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// Check next byte in Magic Word
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if (prefix[i] == Serial.read()) continue;
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// otherwise, start over
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i = 0;
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goto waitLoop;
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}
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// Hi, Lo, Checksum
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while (!Serial.available()) ;;
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hi = Serial.read();
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while (!Serial.available()) ;;
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lo = Serial.read();
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while (!Serial.available()) ;;
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chk = Serial.read();
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// if checksum does not match go back to wait
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if (chk != (hi ^ lo ^ 0x55))
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{
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i = 0;
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goto waitLoop;
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}
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memset(leds, 0, NUM_LEDS * sizeof(struct CRGB));
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// read the transmission data and set LED values
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for (uint8_t i = 0; i < NUM_LEDS; i++) {
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byte r, g, b;
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while (!Serial.available());
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r = Serial.read();
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while (!Serial.available());
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g = Serial.read();
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while (!Serial.available());
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b = Serial.read();
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leds[i].r = r;
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leds[i].g = g;
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leds[i].b = b;
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}
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// shows new values
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FastLED.show();
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}
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