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https://github.com/hyperion-project/hyperion.ng.git
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258 lines
8.0 KiB
C++
258 lines
8.0 KiB
C++
#include "FastLED.h"
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#define ANALOG_MODE_AVERAGE 0
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#define ANALOG_MODE_LAST_LED 1
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/**************************************
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S E T U P
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set following values to your needs
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**************************************/
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#define INITIAL_LED_TEST_ENABLED true
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#define INITIAL_LED_TEST_BRIGHTNESS 32 // 0..255
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#define INITIAL_LED_TEST_TIME_MS 500 // 10..
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// Number of leds in your strip. set to "1" and ANALOG_OUTPUT_ENABLED to "true" to activate analog only
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// As of 26/1/2017:
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// 582 leaves ZERO bytes free and this
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// 410 is ok
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// tested with 500 leds and is fine (despite the warning)
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#define MAX_LEDS 500
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// type of your led controller, possible values, see below
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#define LED_TYPE WS2812B
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// 3 wire (pwm): NEOPIXEL BTM1829 TM1812 TM1809 TM1804 TM1803 UCS1903 UCS1903B UCS1904 UCS2903 WS2812 WS2852
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// S2812B SK6812 SK6822 APA106 PL9823 WS2811 WS2813 APA104 WS2811_40 GW6205 GW6205_40 LPD1886 LPD1886_8BIT
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// 4 wire (spi): LPD8806 WS2801 WS2803 SM16716 P9813 APA102 SK9822 DOTSTAR
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// For 3 wire led stripes line Neopixel/Ws2812, which have a data line, ground, and power, you just need to define DATA_PIN.
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// For led chipsets that are SPI based (four wires - data, clock, ground, and power), both defines DATA_PIN and CLOCK_PIN are needed
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// DATA_PIN, or DATA_PIN, CLOCK_PIN
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#define LED_PINS 6 // 3 wire leds
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//#define LED_PINS 6, 13 // 4 wire leds
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#define COLOR_ORDER GRB // colororder of the stripe, set RGB in hyperion
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#define OFF_TIMEOUT 15000 // ms to switch off after no data was received, set 0 to deactivate
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// analog rgb uni color led stripe - using of hyperion smoothing is recommended
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// ATTENTION this pin config is default for atmega328 based arduinos, others might work to
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// if you have flickering analog leds this might be caused by unsynced pwm signals
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// try other pins is more or less the only thing that helps
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#define ANALOG_OUTPUT_ENABLED false
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#define ANALOG_MODE ANALOG_MODE_LAST_LED // use ANALOG_MODE_AVERAGE or ANALOG_MODE_LAST_LED
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#define ANALOG_GROUND_PIN 8 // additional ground pin to make wiring a bit easier
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#define ANALOG_RED_PIN 9
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#define ANALOG_GREEN_PIN 10
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#define ANALOG_BLUE_PIN 11
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// overall color adjustments
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#define ANALOG_BRIGHTNESS_RED 255 // maximum brightness for analog 0-255
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#define ANALOG_BRIGHTNESS_GREEN 255 // maximum brightness for analog 0-255
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#define ANALOG_BRIGHTNESS_BLUE 255 // maximum brightness for analog 0-255
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#define BRIGHTNESS 255 // maximum brightness 0-255
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#define DITHER_MODE BINARY_DITHER // BINARY_DITHER or DISABLE_DITHER
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#define COLOR_TEMPERATURE CRGB(255,255,255) // RGB value describing the color temperature
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#define COLOR_CORRECTION TypicalLEDStrip // predefined fastled color correction
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//#define COLOR_CORRECTION CRGB(255,255,255) // or RGB value describing the color correction
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// Baudrate, higher rate allows faster refresh rate and more LEDs
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//#define serialRate 460800 // use 115200 for ftdi based boards
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#define serialRate 115200 // use 115200 for ftdi based boards
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//#define serialRate 500000 // use 115200 for ftdi based boards
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/**************************************
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A D A L I G H T C O D E
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no user changes needed
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**************************************/
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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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unsigned long endTime;
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// Define the array of leds
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CRGB leds[MAX_LEDS];
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// set rgb to analog led stripe
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void showAnalogRGB(const CRGB& led) {
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if (ANALOG_OUTPUT_ENABLED) {
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byte r = map(led.r, 0,255,0,ANALOG_BRIGHTNESS_RED);
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byte g = map(led.g, 0,255,0,ANALOG_BRIGHTNESS_GREEN);
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byte b = map(led.b, 0,255,0,ANALOG_BRIGHTNESS_BLUE);
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analogWrite(ANALOG_RED_PIN , r);
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analogWrite(ANALOG_GREEN_PIN, g);
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analogWrite(ANALOG_BLUE_PIN , b);
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}
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}
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// set color to all leds
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void showColor(const CRGB& led) {
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#if MAX_LEDS > 1 || ANALOG_OUTPUT_ENABLED == false
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LEDS.showColor(led);
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#endif
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showAnalogRGB(led);
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}
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// switch of digital and analog leds
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void switchOff() {
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#if MAX_LEDS > 1 || ANALOG_OUTPUT_ENABLED == false
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memset(leds, 0, MAX_LEDS * sizeof(struct CRGB));
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FastLED.show();
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#endif
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showAnalogRGB(leds[0]);
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}
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// function to check if serial data is available
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// if timeout occured leds switch of, if configured
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bool checkIncommingData() {
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boolean dataAvailable = true;
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while (!Serial.available()) {
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if ( OFF_TIMEOUT > 0 && endTime < millis()) {
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switchOff();
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dataAvailable = false;
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endTime = millis() + OFF_TIMEOUT;
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}
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}
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return dataAvailable;
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}
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// main function that setups and runs the code
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void setup() {
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Serial.begin(serialRate);
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// analog output
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if (ANALOG_OUTPUT_ENABLED) {
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// additional ground pin to make wiring a bit easier
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pinMode(ANALOG_GROUND_PIN, OUTPUT);
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digitalWrite(ANALOG_GROUND_PIN, LOW);
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pinMode(ANALOG_BLUE_PIN , OUTPUT);
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pinMode(ANALOG_RED_PIN , OUTPUT);
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pinMode(ANALOG_GREEN_PIN, OUTPUT);
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}
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int ledCount = MAX_LEDS;
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if (ANALOG_MODE == ANALOG_MODE_LAST_LED) {
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ledCount--;
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}
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#if MAX_LEDS > 1 || ANALOG_OUTPUT_ENABLED == false
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FastLED.addLeds<LED_TYPE, LED_PINS, COLOR_ORDER>(leds, ledCount);
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#endif
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// color adjustments
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FastLED.setBrightness ( BRIGHTNESS );
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FastLED.setTemperature( COLOR_TEMPERATURE );
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FastLED.setCorrection ( COLOR_CORRECTION );
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FastLED.setDither ( DITHER_MODE );
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// initial RGB flash
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#if INITIAL_LED_TEST_ENABLED == true
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for (int v=0;v<INITIAL_LED_TEST_BRIGHTNESS;v++)
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{
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showColor(CRGB(v,v,v));
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delay(INITIAL_LED_TEST_TIME_MS/2/INITIAL_LED_TEST_BRIGHTNESS);
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}
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for (int v=0;v<INITIAL_LED_TEST_BRIGHTNESS;v++)
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{
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showColor(CRGB(v,v,v));
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delay(INITIAL_LED_TEST_TIME_MS/2/INITIAL_LED_TEST_BRIGHTNESS);
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}
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#endif
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showColor(CRGB(0, 0, 0));
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Serial.print("Ada\n"); // Send "Magic Word" string to host
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boolean transmissionSuccess;
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unsigned long sum_r, sum_g, sum_b;
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// loop() is avoided as even that small bit of function overhead
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// has a measurable impact on this code's overall throughput.
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for(;;) {
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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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// If next byte is not in Magic Word, the start over
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if (!checkIncommingData() || prefix[i] != Serial.read()) {
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i = 0;
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}
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}
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// Hi, Lo, Checksum
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if (!checkIncommingData()) continue;
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hi = Serial.read();
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if (!checkIncommingData()) continue;
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lo = Serial.read();
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if (!checkIncommingData()) continue;
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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)) continue;
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memset(leds, 0, MAX_LEDS * sizeof(struct CRGB));
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transmissionSuccess = true;
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sum_r = 0;
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sum_g = 0;
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sum_b = 0;
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int num_leds = min ( MAX_LEDS, (hi<<8) + lo + 1 );
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// read the transmission data and set LED values
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for (int idx = 0; idx < num_leds; idx++) {
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byte r, g, b;
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if (!checkIncommingData()) {
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transmissionSuccess = false;
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break;
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}
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r = Serial.read();
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if (!checkIncommingData()) {
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transmissionSuccess = false;
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break;
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}
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g = Serial.read();
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if (!checkIncommingData()) {
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transmissionSuccess = false;
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break;
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}
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b = Serial.read();
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leds[idx].r = r;
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leds[idx].g = g;
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leds[idx].b = b;
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#if ANALOG_OUTPUT_ENABLED == true && ANALOG_MODE == ANALOG_MODE_AVERAGE
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sum_r += r;
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sum_g += g;
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sum_b += b;
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#endif
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}
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// shows new values
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if (transmissionSuccess) {
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endTime = millis() + OFF_TIMEOUT;
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#if MAX_LEDS > 1 || ANALOG_OUTPUT_ENABLED == false
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FastLED.show();
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#endif
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#if ANALOG_OUTPUT_ENABLED == true
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#if ANALOG_MODE == ANALOG_MODE_LAST_LED
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showAnalogRGB(leds[MAX_LEDS-1]);
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#else
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showAnalogRGB(CRGB(sum_r/MAX_LEDS, sum_g/MAX_LEDS, sum_b/MAX_LEDS));
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#endif
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#endif
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}
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}
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} // end of setup
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void loop() {
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// Not used. See note in setup() function.
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}
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