WS2812B Ardino + RPI2

xMichiix · April 3, 2016 at 10:46 AM

Guten Tag,

ich hab ein Problem mit den Ambilight ich hab alles nach den http://ai.rs/reviews/rgb-de…on-on-openelec/ gemcht und auch 5 mal kontrollier doch leider leuchteten nur alle LED's in weiss :o kann auch keinen code für eine andere farbe senden.

ic weiß nicht was ich noch machen kann das betriebssystem ist Openelec
den Sktech vom Arduino ist ArduinoAmbilightAdalightSketchHyperionBoblight.

ArduinoAmbilightAdalightSketchHyperionBoblight.ino

Die hyperion.config.json

MfG MIchael

Bot · Vor 5 Minuten

WS2812B Ardino + RPI2? Schau mal ob du hier fündig wirst!

Arthas90 · June 2, 2016 at 6:58 PM

Hallo Michael,

ich habe genau das selbe Problem habe auch nach dieser Anleitung gearbeitet.
Zumindest wenn ich hyperion (neu)starte gehen die leds der reihe nach an bleiben aber dannach weiß. :s

Vermute es liegt an dem Prefix aber ich verstehe nicht wie man auf die checksumme kommt`?!

Ich selber habe 300 Led´s Prefix: 0x12B, 0xE6 aber kein schimmer ob das nur ansatzweise richtig ist. Habe jetzt mich 5 stunden durch google gewurstet aber sehe schon den Wald vor lauter bäumen nicht. Vielleicht hat wer eine Idee ?

mfg

brindosch · June 2, 2016 at 9:55 PM

Greetings,
blogposts sind doch was tolles!

Schaut mal hier unter step 4
https://hyperion-project.org/threads/diy-am…2812b-apa102.8/

Bot · Vor einem Moment

Arthas90 · June 3, 2016 at 3:42 PM

// EDIT

Also mit dem sktech komme ich auch nicht weiter Rot und Grün leuchten zwar auf kurz wie sie es sollen aber Blau nur 4 LED´s. Mit einer anderen Sketch habe ich die Hardware bereits getestet. Rainbow ...

Erstmal Danke für die schnelle Antwort habe das gestern nicht mehr geschafft noch Online zu kommen, aber jetzt ist Wochenende und hoffe ich bekomm das Pferd zum rennen :thumbs1:

Arthas90 · June 3, 2016 at 7:20 PM

Auch die Puffer Erhöhung hat mich nicht zum erfolgt gebracht wobei das aber wohl ein schritt in die richtige Richtung war. Es macht aber den eindruck das nano mit der Anzahl übelastet. Ich würde Gerne von meiner vu solo se über boblight oder enigmalight zum raspi b+ (+Arduino nano) und dann wollte ich halt die LED´s (273 - WS2812B) ansteuern jetzt gibt's ja noch die möglickeit über ein Level shifter geht das besser? Oder was habe ich noch für Möglichkeiten??

TPmodding · June 4, 2016 at 3:03 AM

hast du adalight in der hyperion config eingestellt?

Bot · Vor einem Moment

Arthas90 · June 4, 2016 at 2:53 PM

Ja natürlich, wobei Hyperion noch nichtmals so wichtige gerade empfinde der LED test der Sketches schlägt ja schon immer fehl einzigste Sketch was bisher funktioniert ist dieses aber halt ohne Ansteuerung stumpfes faden nur.

Code

#include <Adafruit_NeoPixel.h>










#define PIN 5










// Parameter 1 = number of pixels in strip


// Parameter 2 = Arduino pin number (most are valid)


// Parameter 3 = pixel type flags, add together as needed:


//   NEO_KHZ800  800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)


//   NEO_KHZ400  400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)


//   NEO_GRB     Pixels are wired for GRB bitstream (most NeoPixel products)


//   NEO_RGB     Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)


Adafruit_NeoPixel strip = Adafruit_NeoPixel(274, 5, NEO_GRB + NEO_KHZ800);










// IMPORTANT: To reduce NeoPixel burnout risk, add 1000 uF capacitor across


// pixel power leads, add 300 - 500 Ohm resistor on first pixel's data input


// and minimize distance between Arduino and first pixel.  Avoid connecting


// on a live circuit...if you must, connect GND first.










void setup() {


 strip.begin();


 strip.show(); // Initialize all pixels to 'off'


}










void loop() {


 // Some example procedures showing how to display to the pixels:


 colorWipe(strip.Color(255, 0, 0), 50); // Red


 colorWipe(strip.Color(0, 255, 0), 50); // Green


 colorWipe(strip.Color(0, 0, 255), 50); // Blue


 // Send a theater pixel chase in...


 theaterChase(strip.Color(127, 127, 127), 50); // White


 theaterChase(strip.Color(127,   0,   0), 50); // Red


 theaterChase(strip.Color(  0,   0, 127), 50); // Blue










 rainbow(20);


 rainbowCycle(20);


 theaterChaseRainbow(50);


}










// Fill the dots one after the other with a color


void colorWipe(uint32_t c, uint8_t wait) {


 for(uint16_t i=0; i<strip.numPixels(); i++) {


   strip.setPixelColor(i, c);


   strip.show();


   delay(wait);


 }


}










void rainbow(uint8_t wait) {


 uint16_t i, j;










 for(j=0; j<256; j++) {


   for(i=0; i<strip.numPixels(); i++) {


     strip.setPixelColor(i, Wheel((i+j) & 255));


   }


   strip.show();


   delay(wait);


 }


}










// Slightly different, this makes the rainbow equally distributed throughout


void rainbowCycle(uint8_t wait) {


 uint16_t i, j;










 for(j=0; j<256*5; j++) { // 5 cycles of all colors on wheel


   for(i=0; i< strip.numPixels(); i++) {


     strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));


   }


   strip.show();


   delay(wait);


 }


}










//Theatre-style crawling lights.


void theaterChase(uint32_t c, uint8_t wait) {


 for (int j=0; j<10; j++) {  //do 10 cycles of chasing


   for (int q=0; q < 3; q++) {


     for (int i=0; i < strip.numPixels(); i=i+3) {


       strip.setPixelColor(i+q, c);    //turn every third pixel on


     }


     strip.show();










     delay(wait);










     for (int i=0; i < strip.numPixels(); i=i+3) {


       strip.setPixelColor(i+q, 0);        //turn every third pixel off


     }


   }


 }


}










//Theatre-style crawling lights with rainbow effect


void theaterChaseRainbow(uint8_t wait) {


 for (int j=0; j < 256; j++) {     // cycle all 256 colors in the wheel


   for (int q=0; q < 3; q++) {


     for (int i=0; i < strip.numPixels(); i=i+3) {


       strip.setPixelColor(i+q, Wheel( (i+j) % 255));    //turn every third pixel on


     }


     strip.show();










     delay(wait);










     for (int i=0; i < strip.numPixels(); i=i+3) {


       strip.setPixelColor(i+q, 0);        //turn every third pixel off


     }


   }


 }


}










// Input a value 0 to 255 to get a color value.


// The colours are a transition r - g - b - back to r.


uint32_t Wheel(byte WheelPos) {


 if(WheelPos < 85) {


   return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);


 }


 else if(WheelPos < 170) {


   WheelPos -= 85;


   return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);


 }


 else {


   WheelPos -= 170;


   return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);


 }


}

Display More

Arthas90 · June 4, 2016 at 5:50 PM

Jetzt habe ich nochmals am Sketch rumgebastel und siehe das alle LEDS gehen jetzt der reihe nach an und bleiben weiß scheint als wenn er jetzt nur noch auf den Präfix wartet um weiter zu machen zu können im Sktech steht ja wenn er NICHT den gestzten Präfix bekommt startet wieder mit weiß und genau das Passiert wenn ich den Hyperion Service neu starte also falscher Präfix was nun?! Hyperion Config

Code

// Automatically generated configuration file for 'Hyperion daemon'
// Generated by: HyperCon (The Hyperion deamon configuration file builder


{
/// Device configuration contains the following fields: 
/// * 'name'       : The user friendly name of the device (only used for display purposes)
/// * 'type'       : The type of the device or leds (known types for now are
/// APA102, Adalight, AmbiLed, Atmo, Hyperion-USBASP-WS2801, Hyperion-USBASP-WS2812, Lightberry, Lightpack, LPD6803, LPD8806, Multi-Lightpack, P9813, Paintpack, PhilipsHUE, PiBlaster, SEDU, Test, ThinkerForge, TPM2, WS2801, WS2812b, None)
/// * [device type specific configuration]
/// * 'colorOrder' : The order of the color bytes ('rgb', 'rbg', 'bgr', etc.).
"device" :
{
"name"       : "MyPi",
"type"       : "adalight",
"output"     : "/dev/ttyUSB0",
"rate"     : 500000,
"delayAfterConnect"     : 0,
"colorOrder" : "gbr"
},


/// Color manipulation configuration used to tune the output colors to specific surroundings. 
/// The configuration contains a list of color-transforms. Each transform contains the 
/// following fields:
///  * 'id'   : The unique identifier of the color transformation (eg 'device_1') ///  * 'leds' : The indices (or index ranges) of the leds to which this color transform applies
///             (eg '0-5, 9, 11, 12-17'). The indices are zero based. ///  * 'hsv' : The manipulation in the Hue-Saturation-Value color domain with the following 
///            tuning parameters:
///            - 'saturationGain'  The gain adjustement of the saturation
///            - 'valueGain'       The gain adjustement of the value
///  * 'red'/'green'/'blue' : The manipulation in the Red-Green-Blue color domain with the 
///                           following tuning parameters for each channel:
///            - 'threshold'       The minimum required input value for the channel to be on 
///                                (else zero)
///            - 'gamma'           The gamma-curve correction factor
///            - 'blacklevel'      The lowest possible value (when the channel is black)
///            - 'whitelevel'      The highest possible value (when the channel is white)
///
/// Next to the list with color transforms there is also a smoothing option.
///  * 'smoothing' : Smoothing of the colors in the time-domain with the following tuning 
///                  parameters:
///            - 'type'            The type of smoothing algorithm ('linear' or 'none')
///            - 'time_ms'         The time constant for smoothing algorithm in milliseconds
///            - 'updateFrequency' The update frequency of the leds in Hz
///            - 'updateDelay'     The delay of the output to leds (in periods of smoothing)
"color" :
{
"transform" :
[
 {
 "id"   : "default",
 "leds" : "*",
 "hsv" :
 {
 "saturationGain" : 1.0000,
 "valueGain"      : 1.0000
 },
 "red" :
 {
 "threshold"  : 0.0000,
 "gamma"      : 1.0000,
 "blacklevel" : 0.0000,
 "whitelevel" : 1.0000
 },
 "green" :
 {
 "threshold"  : 0.0000,
 "gamma"      : 1.0000,
 "blacklevel" : 0.0000,
 "whitelevel" : 1.0000
 },
 "blue" :
 {
 "threshold"  : 0.0000,
 "gamma"      : 1.0000,
 "blacklevel" : 0.0000,
 "whitelevel" : 1.0000
 }
 }
 ],
"smoothing" :
{
"type"            : "none",
"time_ms"         : 200,
"updateFrequency" : 20.0000,
"updateDelay"     : 0
}
},


/// The black border configuration, contains the following items: 
///  * enable    : true if the detector should be activated
///  * threshold : Value below which a pixel is regarded as black (value between 0.0 and 1.0)
"blackborderdetector" : 
{
"enable" : true,
"threshold" : 0.01
},


/// The configuration of the effect engine, contains the following items: 
///  * paths        : An array with absolute location(s) of directories with effects 
///  * bootsequence : The effect selected as 'boot sequence'
"effects" : 
{
"paths" : 
[
 "/opt/hyperion/effects"
 ]
},


"bootsequence" : 
{
"effect" : "Rainbow swirl fast",
"duration_ms" : 3000
},


///  The configuration for the frame-grabber, contains the following items: 
///   * width        : The width of the grabbed frames [pixels]
///   * height       : The height of the grabbed frames [pixels]
///   * frequency_Hz : The frequency of the frame grab [Hz]
// "framegrabber" : 
// {
// "width" : 64,
// "height" : 64,
// "frequency_Hz" : 10.0
// },


/// The configuration of the XBMC connection used to enable and disable the frame-grabber. Contains the following fields: 
///  * xbmcAddress       : The IP address of the XBMC-host
///  * xbmcTcpPort       : The TCP-port of the XBMC-server
///  * grabVideo         : Flag indicating that the frame-grabber is on(true) during video playback
///  * grabPictures      : Flag indicating that the frame-grabber is on(true) during picture show
///  * grabAudio         : Flag indicating that the frame-grabber is on(true) during audio playback
///  * grabMenu          : Flag indicating that the frame-grabber is on(true) in the XBMC menu
///  * grabScreensaver   : Flag indicating that the frame-grabber is on(true) when XBMC is on screensaver
///  * enable3DDetection : Flag indicating that the frame-grabber should switch to a 3D compatible modus if a 3D video is playing
// "xbmcVideoChecker" : 
// {
// "xbmcAddress" : "127.0.0.1",
// "xbmcTcpPort" : 9090,
// "grabVideo" : true,
// "grabPictures" : true,
// "grabAudio" : true,
// "grabMenu" : false,
// "grabScreensaver" : true,
// "enable3DDetection" : true
// },


/// The configuration of the Json server which enables the json remote interface
///  * port : Port at which the json server is started
"jsonServer" : 
{
"port" : 19444
},


/// The configuration of the Proto server which enables the protobuffer remote interface
///  * port : Port at which the protobuffer server is started
"protoServer" : 
{
"port" : 19445
},


/// The configuration of the boblight server which enables the boblight remote interface
///  * port : Port at which the boblight server is started
"boblightServer" : 
{
"port" : 19333
},


/// Configuration for the embedded V4L2 grabber
///  * device          : V4L2 Device to use [default="/dev/video0"]
///  * input           : V4L2 input to use [default=0]
///  * standard        : Video standard (no-change/PAL/NTSC) [default="no-change"]
///  * width                : V4L2 width to set [default=-1]
///  * height               : V4L2 height to set [default=-1]
///  * frameDecimation      : Frame decimation factor [default=2]
///  * sizeDecimation       : Size decimation factor [default=8]
///  * priority             : Hyperion priority channel [default=800]
///  * mode                 : 3D mode to use 2D/3DSBS/3DTAB (note: no autodetection) [default="2D"]
///  * cropLeft             : Cropping from the left [default=0]
///  * cropRight            : Cropping from the right [default=0]
///  * cropTop              : Cropping from the top [default=0]
///  * cropBottom           : Cropping from the bottom [default=0]
///  * redSignalThreshold   : Signal threshold for the red channel between 0.0 and 1.0 [default=0.0]
///  * greenSignalThreshold : Signal threshold for the green channel between 0.0 and 1.0 [default=0.0]
///  * blueSignalThreshold  : Signal threshold for the blue channel between 0.0 and 1.0 [default=0.0]
// "grabber-v4l2" : 
// {
// "device" : "/dev/video0",
// "input" : 0,
// "standard" : "no-change",
// "width" : -1,
// "height" : -1,
// "frameDecimation" : 2,
// "sizeDecimation" : 8,
// "priority" : 800,
// "mode" : "2D",
// "cropLeft" : 0,
// "cropRight" : 0,
// "cropTop" : 0,
// "cropBottom" : 0,
// "redSignalThreshold" : 0.0,
// "greenSignalThreshold" : 0.0,
// "blueSignalThreshold" : 0.0
// },


///  The configuration for each individual led. This contains the specification of the area 
///  averaged of an input image for each led to determine its color. Each item in the list 
///  contains the following fields:
///  * index: The index of the led. This determines its location in the string of leds; zero 
///           being the first led.
///  * hscan: The fractional part of the image along the horizontal used for the averaging 
///           (minimum and maximum inclusive)
///  * vscan: The fractional part of the image along the vertical used for the averaging 
///           (minimum and maximum inclusive)
"leds" : 
[
 {
 "index" : 0,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.9796, "maximum" : 1.0000 }
 },
 {
 "index" : 1,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.9592, "maximum" : 0.9796 }
 },
 {
 "index" : 2,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.9388, "maximum" : 0.9592 }
 },
 {
 "index" : 3,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.9184, "maximum" : 0.9388 }
 },
 {
 "index" : 4,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.8980, "maximum" : 0.9184 }
 },
 {
 "index" : 5,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.8776, "maximum" : 0.8980 }
 },
 {
 "index" : 6,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.8571, "maximum" : 0.8776 }
 },
 {
 "index" : 7,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.8367, "maximum" : 0.8571 }
 },
 {
 "index" : 8,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.8163, "maximum" : 0.8367 }
 },
 {
 "index" : 9,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.7959, "maximum" : 0.8163 }
 },
 {
 "index" : 10,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.7755, "maximum" : 0.7959 }
 },
 {
 "index" : 11,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.7551, "maximum" : 0.7755 }
 },
 {
 "index" : 12,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.7347, "maximum" : 0.7551 }
 },
 {
 "index" : 13,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.7143, "maximum" : 0.7347 }
 },
 {
 "index" : 14,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.6939, "maximum" : 0.7143 }
 },
 {
 "index" : 15,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.6735, "maximum" : 0.6939 }
 },
 {
 "index" : 16,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.6531, "maximum" : 0.6735 }
 },
 {
 "index" : 17,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.6327, "maximum" : 0.6531 }
 },
 {
 "index" : 18,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.6122, "maximum" : 0.6327 }
 },
 {
 "index" : 19,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.5918, "maximum" : 0.6122 }
 },
 {
 "index" : 20,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.5714, "maximum" : 0.5918 }
 },
 {
 "index" : 21,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.5510, "maximum" : 0.5714 }
 },
 {
 "index" : 22,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.5306, "maximum" : 0.5510 }
 },
 {
 "index" : 23,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.5102, "maximum" : 0.5306 }
 },
 {
 "index" : 24,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.4898, "maximum" : 0.5102 }
 },
 {
 "index" : 25,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.4694, "maximum" : 0.4898 }
 },
 {
 "index" : 26,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.4490, "maximum" : 0.4694 }
 },
 {
 "index" : 27,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.4286, "maximum" : 0.4490 }
 },
 {
 "index" : 28,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.4082, "maximum" : 0.4286 }
 },
 {
 "index" : 29,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.3878, "maximum" : 0.4082 }
 },
 {
 "index" : 30,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.3673, "maximum" : 0.3878 }
 },
 {
 "index" : 31,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.3469, "maximum" : 0.3673 }
 },
 {
 "index" : 32,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.3265, "maximum" : 0.3469 }
 },
 {
 "index" : 33,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.3061, "maximum" : 0.3265 }
 },
 {
 "index" : 34,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.2857, "maximum" : 0.3061 }
 },
 {
 "index" : 35,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.2653, "maximum" : 0.2857 }
 },
 {
 "index" : 36,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.2449, "maximum" : 0.2653 }
 },
 {
 "index" : 37,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.2245, "maximum" : 0.2449 }
 },
 {
 "index" : 38,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
 "vscan" : { "minimum" : 0.2041, "maximum" : 0.2245 }
 },
 {
 "index" : 39,
 "hscan" : { "minimum" : 0.0000, "maximum" : 0.0500 },
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"endOfJson" : "endOfJson"
}

Display More

Sketch

Code

#include "Adafruit_NeoPixel.h"


// DEFINITIONS


#define STARTCOLOR 0x333333  // LED colors at start
#define BLACK      0x000000  // LED color BLACK


#define DATAPIN    5        // Datapin
#define LEDCOUNT   272       //  Number of LEDs used for boblight
// LEDCOUNT value is local value in Arduino sketch, for hyperion it doesn't matter it sends prefx characters according to hyperion config
#define SHOWDELAY  200       // Delay in micro seconds before showing default 200
#define BAUDRATE   500000    // Serial port speed, 460800 tested with Arduino Uno R3 23400 za MEGA, 115200 nano


#define BRIGHTNESS 70        // Max. brightness in %
//Hyperion sends prefix characters based on number of LEDs in config file
// e.g. for 181 LEDs it will send 0xB4 and cheksum 0xE1
// keep in mind if you are using boblight config to calculate prefix that Boblight counts diodes from 1 and Hyperion from 0
// if you have problems try +1 or -1 diodes when generating prefix characters
// values to save some time: 178 B1 E4, 180 B3E6, 181 B4E1, 182 B5E0 
//hyperion code
//_ledBuffer[3] = ((ledValues.size() - 1) >> 8) & 0xFF; // LED count high byte
// _ledBuffer[4] = (ledValues.size() - 1) & 0xFF;        // LED count low byte
// _ledBuffer[5] = _ledBuffer[3] ^ _ledBuffer[4] ^ 0x55; // Checksum
const char prefix[] = {0x41, 0x64, 0x61, 0x00, 0x10f, 0x5b};  // Start prefix ADA
char buffer[sizeof(prefix)]; // Temp buffer for receiving prefix data 


// Init LED strand, WS2811/WS2912 specific


// These might work for other configurations:
//   NEO_KHZ800  800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
//   NEO_KHZ400  400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
//   NEO_GRB     Pixels are wired for GRB bitstream (most NeoPixel products)
//   NEO_RGB     Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)


Adafruit_NeoPixel strip = Adafruit_NeoPixel(272, 5, NEO_GRB + NEO_KHZ800);


int state;                   // Define current state
#define STATE_WAITING   1    // - Waiting for prefix
#define STATE_DO_PREFIX 2    // - Processing prefix
#define STATE_DO_DATA   3    // - Handling incoming LED colors


int readSerial;           // Read Serial data (1)
int currentLED;           // Needed for assigning the color to the right LED


void setup()
{
 strip.begin();            // Init LED strand, set all black, then all to startcolor
 
 strip.setBrightness( (255 / 100) * BRIGHTNESS );
 
 setAllLEDs(BLACK, 0);
 setAllLEDs(STARTCOLOR, 2);
 
 Serial.begin(BAUDRATE);   // Init serial speed
 
 state = STATE_WAITING;    // Initial state: Waiting for prefix
}




void loop()
{
 switch(state)
 {
   case STATE_WAITING:                  // *** Waiting for prefix ***
     if( Serial.available()>0 )
     {
       readSerial = Serial.read();      // Read one character
       
       if ( readSerial == prefix[0] )   // if this character is 1st prefix char
         { state = STATE_DO_PREFIX; }   // then set state to handle prefix
     }
     break;
     
     
   case STATE_DO_PREFIX:                // *** Processing Prefix ***
     if( Serial.available() > sizeof(prefix) - 2 ) 
     {
         Serial.readBytes(buffer, sizeof(prefix) - 1);
         
         for( int Counter = 0; Counter < sizeof(prefix) - 1; Counter++) 
         {
           if( buffer[Counter] == prefix[Counter+1] ) 
           {
             state = STATE_DO_DATA;     // Received character is in prefix, continue
             currentLED = 0;            // Set current LED to the first one
           }
           else 
           {
             state = STATE_WAITING;     // Crap, one of the received chars is NOT in the prefix
             break;                     // Exit, to go back to waiting for the prefix
           } // end if buffer
         } // end for Counter
     } // end if Serial
     break;
     
     
   case STATE_DO_DATA:                  // *** Process incoming color data ***
     if( Serial.available() > 2 )       // if we receive more than 2 chars
     {
       Serial.readBytes( buffer, 3 );   // Abuse buffer to temp store 3 charaters
       strip.setPixelColor( currentLED++, buffer[0], buffer[1], buffer[2]);  // and assing to LEDs
     }
 
     if( currentLED > LEDCOUNT )        // Reached the last LED? Display it!
     {
         strip.show();                  // Make colors visible
         delayMicroseconds(SHOWDELAY);  // Wait a few micro seconds
         
         state = STATE_WAITING;         // Reset to waiting ...
         currentLED = 0;                // and go to LED one
         
         break;                         // and exit ... and do it all over again
     }
     break; 
 } // switch(state)
 
} // loop




// Sets the color of all LEDs in the strand to 'color'
// If 'wait'>0 then it will show a swipe from start to end
void setAllLEDs(uint32_t color, int wait)
{
 for ( int Counter=0; Counter < LEDCOUNT; Counter++ )      // For each LED
 {
   strip.setPixelColor( Counter, color );      // .. set the color


   if( wait > 0 )                        // if a wait time was set then
   {
     strip.show();                     // Show the LED color
     delay(wait);                      // and wait before we do the next LED
   } // if wait
   
 } // for Counter
 
 strip.show();                         // Show all LEDs
} // setAllLEDs

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Von BooStar habe ich aus einem anderen Beitrag die Berechnung benutzt

Code

#include <stdio.h>
int main( int argc, const char* argv[] )
{
int LEDS=272, LEDHigh,LEDLow,LEDCheck ;
LEDHigh = ((LEDS - 1) >> 8) & 0xFF;
LEDLow = (LEDS - 1) & 0xFF;
LEDCheck = LEDHigh ^ LEDLow  ^ 0x55; // Checksum
LEDS = LEDS -1;  
      printf("LEDS: %d\n" , LEDS );
      printf("LEDHigh: %d\n" , LEDHigh );
      printf("LEDLow : %d\n" , LEDLow );
      printf("LEDCheck : %d\n" , LEDCheck );
      printf("LEDS in HEX : 0x%x\n" , LEDS );
      printf("LEDCheck in HEX : 0x%x\n" , LEDCheck );
}

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Code

LEDS: 271
LEDHigh: 1
LEDLow : 15
LEDCheck : 91
LEDS in HEX : 0x10f
LEDCheck in HEX : 0x5b


Exited: ExitFailure 23

Arthas90 · June 5, 2016 at 2:40 AM

Soooo erledigt

:thumbs1: :thumbs1:

Bot · Vor einem Moment

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