Hier meine angepasste Version, die mit Ambibox (unter Windows) kommuniziert und ein Ambilight vergleichsweise einfach ermöglicht. Die LED-Anzahl und ggf. ein paar weitere Parameter müssen natürlich noch angepasst werden.
#include "FastLED.h" #include "Arduino.h" #define ANALOG_MODE_AVERAGE 0 #define ANALOG_MODE_LAST_LED 1 #define FASTLED_ESP8266_D1_PIN_ORDER /************************************** S E T U P set following values to your needs **************************************/ #define INITIAL_LED_TEST_ENABLED true #define INITIAL_LED_TEST_BRIGHTNESS 32 // 0..255 #define INITIAL_LED_TEST_TIME_MS 2000 // 10.. // Number of leds in your strip. set to "1" and ANALOG_OUTPUT_ENABLED to "true" to activate analog only // As of 26/1/2017: // 582 leaves ZERO bytes free and this // 410 is ok // tested with 500 leds and is fine (despite the warning) #define MAX_LEDS 7+7+11+1 // type of your led controller, possible values, see below //#define LED_TYPE APA102 #define LED_TYPE WS2812 // 3 wire (pwm): NEOPIXEL BTM1829 TM1812 TM1809 TM1804 TM1803 UCS1903 UCS1903B UCS1904 UCS2903 WS2812 WS2852 // S2812B SK6812 SK6822 APA106 PL9823 WS2811 WS2813 APA104 WS2811_40 GW6205 GW6205_40 LPD1886 LPD1886_8BIT // 4 wire (spi): LPD8806 WS2801 WS2803 SM16716 P9813 APA102 SK9822 DOTSTAR // For 3 wire led stripes line Neopixel/Ws2812, which have a data line, ground, and power, you just need to define DATA_PIN. // For led chipsets that are SPI based (four wires - data, clock, ground, and power), both defines DATA_PIN and CLOCK_PIN are needed // DATA_PIN, or DATA_PIN, CLOCK_PIN #define LED_PINS D2 // 3 wire leds // #define LED_PINS D3, D2 // 4 wire leds // #define COLOR_ORDER RBG // colororder of the stripe, set RGB in hyperion // #define COLOR_ORDER BGR // colororder of the stripe, set RGB in hyperion #define COLOR_ORDER GRB // colororder of the stripe, set RGB in hyperion #define OFF_TIMEOUT 0 // ms to switch off after no data was received, set 0 to deactivate // analog rgb uni color led stripe - using of hyperion smoothing is recommended // ATTENTION this pin config is default for atmega328 based arduinos, others might work to // if you have flickering analog leds this might be caused by unsynced pwm signals // try other pins is more or less the only thing that helps #define ANALOG_OUTPUT_ENABLED false #define ANALOG_MODE ANALOG_MODE_LAST_LED // use ANALOG_MODE_AVERAGE or ANALOG_MODE_LAST_LED #define ANALOG_GROUND_PIN 8 // additional ground pin to make wiring a bit easier #define ANALOG_RED_PIN 9 #define ANALOG_GREEN_PIN 10 #define ANALOG_BLUE_PIN 11 // overall color adjustments #define ANALOG_BRIGHTNESS_RED 255 // maximum brightness for analog 0-255 #define ANALOG_BRIGHTNESS_GREEN 255 // maximum brightness for analog 0-255 #define ANALOG_BRIGHTNESS_BLUE 255 // maximum brightness for analog 0-255 #define BRIGHTNESS 255 // maximum brightness 0-255 #define DITHER_MODE BINARY_DITHER // BINARY_DITHER or DISABLE_DITHER #define COLOR_TEMPERATURE CRGB(255,255,255) // RGB value describing the color temperature #define COLOR_CORRECTION TypicalLEDStrip // predefined fastled color correction //#define COLOR_CORRECTION CRGB(255,255,255) // or RGB value describing the color correction // Baudrate, higher rate allows faster refresh rate and more LEDs //#define serialRate 460800 // use 115200 for ftdi based boards #define serialRate 115200 // use 115200 for ftdi based boards //#define serialRate 500000 // use 115200 for ftdi based boards /************************************** A D A L I G H T C O D E no user changes needed **************************************/ // Adalight sends a "Magic Word" (defined in /etc/boblight.conf) before sending the pixel data uint8_t prefix[] = {'A', 'd', 'a'}, hi, lo, chk, i; unsigned long endTime; // Define the array of leds CRGB leds[MAX_LEDS]; // set rgb to analog led stripe void showAnalogRGB(const CRGB& led) { if (ANALOG_OUTPUT_ENABLED) { byte r = map(led.r, 0,255,0,ANALOG_BRIGHTNESS_RED); byte g = map(led.g, 0,255,0,ANALOG_BRIGHTNESS_GREEN); byte b = map(led.b, 0,255,0,ANALOG_BRIGHTNESS_BLUE); analogWrite(ANALOG_RED_PIN , r); analogWrite(ANALOG_GREEN_PIN, g); analogWrite(ANALOG_BLUE_PIN , b); } } // set color to all leds void showColor(const CRGB& led) { #if MAX_LEDS > 1 || ANALOG_OUTPUT_ENABLED == false LEDS.showColor(led); #endif showAnalogRGB(led); } // switch of digital and analog leds void switchOff() { #if MAX_LEDS > 1 || ANALOG_OUTPUT_ENABLED == false memset(leds, 0, MAX_LEDS * sizeof(struct CRGB)); FastLED.show(); #endif showAnalogRGB(leds[0]); } // function to check if serial data is available // if timeout occured leds switch of, if configured bool checkIncommingData() { boolean dataAvailable = true; while (!Serial.available()) { if ( OFF_TIMEOUT > 0 && endTime < millis()) { switchOff(); dataAvailable = false; endTime = millis() + OFF_TIMEOUT; } } return dataAvailable; } // main function that setups and runs the code void setup() { Serial.begin(serialRate); // analog output if (ANALOG_OUTPUT_ENABLED) { // additional ground pin to make wiring a bit easier pinMode(ANALOG_GROUND_PIN, OUTPUT); digitalWrite(ANALOG_GROUND_PIN, LOW); pinMode(ANALOG_BLUE_PIN , OUTPUT); pinMode(ANALOG_RED_PIN , OUTPUT); pinMode(ANALOG_GREEN_PIN, OUTPUT); } int ledCount = MAX_LEDS; if (ANALOG_MODE == ANALOG_MODE_LAST_LED) { ledCount--; } #if MAX_LEDS > 1 || ANALOG_OUTPUT_ENABLED == false FastLED.addLeds<LED_TYPE, LED_PINS, COLOR_ORDER>(leds, ledCount); #endif // color adjustments FastLED.setBrightness ( BRIGHTNESS ); FastLED.setTemperature( COLOR_TEMPERATURE ); FastLED.setCorrection ( COLOR_CORRECTION ); FastLED.setDither ( DITHER_MODE ); // initial RGB flash #if INITIAL_LED_TEST_ENABLED == true for (int v=0;v<INITIAL_LED_TEST_BRIGHTNESS;v++) { showColor(CRGB(v,v,v)); delay(INITIAL_LED_TEST_TIME_MS/2/INITIAL_LED_TEST_BRIGHTNESS); } for (int v=0;v<INITIAL_LED_TEST_BRIGHTNESS;v++) { showColor(CRGB(v,v,v)); delay(INITIAL_LED_TEST_TIME_MS/2/INITIAL_LED_TEST_BRIGHTNESS); } #endif showColor(CRGB(0, 0, 0)); Serial.print("Ada\n"); // Send "Magic Word" string to host boolean transmissionSuccess; unsigned long sum_r, sum_g, sum_b; // loop() is avoided as even that small bit of function overhead // has a measurable impact on this code's overall throughput. for(;;) { // wait for first byte of Magic Word for (i = 0; i < sizeof prefix; ++i) { // If next byte is not in Magic Word, the start over if (!checkIncommingData() || prefix[i] != Serial.read()) { i = 0; } } // Hi, Lo, Checksum if (!checkIncommingData()) continue; hi = Serial.read(); if (!checkIncommingData()) continue; lo = Serial.read(); if (!checkIncommingData()) continue; chk = Serial.read(); // if checksum does not match go back to wait if (chk != (hi ^ lo ^ 0x55)) continue; memset(leds, 0, MAX_LEDS * sizeof(struct CRGB)); transmissionSuccess = true; sum_r = 0; sum_g = 0; sum_b = 0; int num_leds = min ( MAX_LEDS, (hi<<8) + lo + 1 ); // read the transmission data and set LED values for (int idx = 0; idx < num_leds; idx++) { byte r, g, b; if (!checkIncommingData()) { transmissionSuccess = false; break; } r = Serial.read(); if (!checkIncommingData()) { transmissionSuccess = false; break; } g = Serial.read(); if (!checkIncommingData()) { transmissionSuccess = false; break; } b = Serial.read(); leds[idx].r = r; leds[idx].g = g; leds[idx].b = b; #if ANALOG_OUTPUT_ENABLED == true && ANALOG_MODE == ANALOG_MODE_AVERAGE sum_r += r; sum_g += g; sum_b += b; #endif } // shows new values if (transmissionSuccess) { endTime = millis() + OFF_TIMEOUT; #if MAX_LEDS > 1 || ANALOG_OUTPUT_ENABLED == false FastLED.show(); #endif #if ANALOG_OUTPUT_ENABLED == true #if ANALOG_MODE == ANALOG_MODE_LAST_LED showAnalogRGB(leds[MAX_LEDS-1]); #else showAnalogRGB(CRGB(sum_r/MAX_LEDS, sum_g/MAX_LEDS, sum_b/MAX_LEDS)); #endif #endif } } } // end of setup void loop() { // Not used. See note in setup() function. }
nicht nur 
helfen.