AW: Ambilight selber machen
so dass ist die fehlermeldung von colorswirl
Colorswirl:13: error: stray '\' in program
Colorswirl:13: error: stray '\' in program
Colorswirl:6: error: expected unqualified-id before '<' token
Colorswirl:648: error: expected unqualified-id before numeric constant
Original pde
<!DOCTYPE html>
<html class=" ">
<head prefix="og:
Sie müssen registriert sein, um Links zu sehen.
fb:
Sie müssen registriert sein, um Links zu sehen.
object:
Sie müssen registriert sein, um Links zu sehen.
article:
Sie müssen registriert sein, um Links zu sehen.
profile: http://ogp.me/ns/profile#">
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<link rel="apple-touch-icon" sizes="114x114" href="/apple-touch-icon-114.png" />
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<link rel="apple-touch-icon" sizes="144x144" href="/apple-touch-icon-144.png" />
<meta property="fb:app_id" content="1401488693436528"/>
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73
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<h1 itemscope itemtype="http://data-vocabulary.org/Breadcrumb" class="entry-title public">
<span class="repo-label"><span>public</span></span>
<span class="mega-octicon octicon-repo"></span>
<span class="author"><a href="/adafruit" class="url fn" itemprop="url" rel="author"><span itemprop="title">adafruit</span></a></span><!--
--><span class="path-divider">/</span><!--
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<a href="/adafruit/Adalight/network" aria-label="Network" class="js-selected-navigation-item sunken-menu-item js-disable-pjax" data-selected-links="repo_network /adafruit/Adalight/network">
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data-protocol-type="subversion"
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value="https://github.com/adafruit/Adalight" readonly="readonly">
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</span>
</div>
</div>
<p class="clone-options">You can clone with
<a href="#" class="js-clone-selector" data-protocol="http">HTTPS</a>
or <a href="#" class="js-clone-selector" data-protocol="subversion">Subversion</a>.
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<span class="author"><a href="/PaintYourDragon" rel="author">PaintYourDragon</a></span>
<time class="js-relative-date" data-title-format="YYYY-MM-DD HH:mm:ss" datetime="2012-12-05T12:02:32-08:00" title="2012-12-05 21:02:32">December 05, 2012</time>
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</li>
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<img alt="Limor "Ladyada" Fried" class=" js-avatar" data-user="1214161" height="24" src="https://avatars2.githubusercontent.com/u/1214161?s=140" width="24" />
<a href="/ladyada">ladyada</a>
</li>
</ul>
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<span>142 lines (121 sloc)</span>
<span class="meta-divider"></span>
<span>4.616 kb</span>
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<td class="blob-line-code"><div class="code-body highlight"><pre><div class='line' id='LC1'><span class="c1">// "Colorswirl" LED demo. This is the host PC-side code written in</span></div><div class='line' id='LC2'><span class="c1">// Processing; intended for use with a USB-connected Arduino microcontroller</span></div><div class='line' id='LC3'><span class="c1">// running the accompanying LED streaming code. Requires one strand of</span></div><div class='line' id='LC4'><span class="c1">// Digital RGB LED Pixels (Adafruit product ID #322, specifically the newer</span></div><div class='line' id='LC5'><span class="c1">// WS2801-based type, strand of 25) and a 5 Volt power supply (such as</span></div><div class='line' id='LC6'><span class="c1">// Adafruit #276). You may need to adapt the code and the hardware</span></div><div class='line' id='LC7'><span class="c1">// arrangement for your specific configuration.</span></div><div class='line' id='LC8'><br/></div><div class='line' id='LC9'><span class="c1">// --------------------------------------------------------------------</span></div><div class='line' id='LC10'><span class="c1">// This file is part of Adalight.</span></div><div class='line' id='LC11'><br/></div><div class='line' id='LC12'><span class="c1">// Adalight is free software: you can redistribute it and/or modify</span></div><div class='line' id='LC13'><span class="c1">// it under the terms of the GNU Lesser General Public License as</span></div><div class='line' id='LC14'><span class="c1">// published by the Free Software Foundation, either version 3 of</span></div><div class='line' id='LC15'><span class="c1">// the License, or (at your option) any later version.</span></div><div class='line' id='LC16'><br/></div><div class='line' id='LC17'><span class="c1">// Adalight is distributed in the hope that it will be useful,</span></div><div class='line' id='LC18'><span class="c1">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class='line' id='LC19'><span class="c1">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class='line' id='LC20'><span class="c1">// GNU Lesser General Public License for more details.</span></div><div class='line' id='LC21'><br/></div><div class='line' id='LC22'><span class="c1">// You should have received a copy of the GNU Lesser General Public</span></div><div class='line' id='LC23'><span class="c1">// License along with Adalight. If not, see</span></div><div class='line' id='LC24'><span class="c1">// <http://www.gnu.org/licenses/>.</span></div><div class='line' id='LC25'><span class="c1">// --------------------------------------------------------------------</span></div><div class='line' id='LC26'><br/></div><div class='line' id='LC27'><span class="kn">import</span> <span class="nn">processing.serial.*</span><span class="o">;</span></div><div class='line' id='LC28'><br/></div><div class='line' id='LC29'><span class="kt">int</span> <span class="n">N_LEDS</span> <span class="o">=</span> <span class="mi">25</span><span class="o">;</span> <span class="c1">// Max of 65536</span></div><div class='line' id='LC30'><br/></div><div class='line' id='LC31'><span class="kt">void</span> <span class="nf">setup</span><span class="o">()</span></div><div class='line' id='LC32'><span class="o">{</span></div><div class='line' id='LC33'> <span class="kt">byte</span><span class="o">[]</span> <span class="n">buffer</span> <span class="o">=</span> <span class="k">new</span> <span class="kt">byte</span><span class="o">[</span><span class="mi">6</span> <span class="o">+</span> <span class="n">N_LEDS</span> <span class="o">*</span> <span class="mi">3</span><span class="o">];</span></div><div class='line' id='LC34'> <span class="n">Serial</span> <span class="n">myPort</span><span class="o">;</span></div><div class='line' id='LC35'> <span class="kt">int</span> <span class="n">i</span><span class="o">,</span> <span class="n">hue1</span><span class="o">,</span> <span class="n">hue2</span><span class="o">,</span> <span class="n">bright</span><span class="o">,</span> <span class="n">lo</span><span class="o">,</span> <span class="n">r</span><span class="o">,</span> <span class="n">g</span><span class="o">,</span> <span class="n">b</span><span class="o">,</span> <span class="n">t</span><span class="o">,</span> <span class="n">prev</span><span class="o">,</span> <span class="n">frame</span> <span class="o">=</span> <span class="mi">0</span><span class="o">;</span></div><div class='line' id='LC36'> <span class="kt">long</span> <span class="n">totalBytesSent</span> <span class="o">=</span> <span class="mi">0</span><span class="o">;</span></div><div class='line' id='LC37'> <span class="kt">float</span> <span class="n">sine1</span><span class="o">,</span> <span class="n">sine2</span><span class="o">;</span></div><div class='line' id='LC38'><br/></div><div class='line' id='LC39'> <span class="n">noLoop</span><span class="o">();</span></div><div class='line' id='LC40'><br/></div><div class='line' id='LC41'> <span class="c1">// Assumes the Arduino is the first/only serial device. If this is not the</span></div><div class='line' id='LC42'> <span class="c1">// case, change the device index here. println(Serial.list()); can be used</span></div><div class='line' id='LC43'> <span class="c1">// to get a list of available serial devices.</span></div><div class='line' id='LC44'> <span class="n">myPort</span> <span class="o">=</span> <span class="k">new</span> <span class="n">Serial</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="n">Serial</span><span class="o">.</span><span class="na">list</span><span class="o">()[</span><span class="mi">0</span><span class="o">],</span> <span class="mi">115200</span><span class="o">);</span></div><div class='line' id='LC45'><br/></div><div class='line' id='LC46'> <span class="c1">// A special header / magic word is expected by the corresponding LED</span></div><div class='line' id='LC47'> <span class="c1">// streaming code running on the Arduino. This only needs to be initialized</span></div><div class='line' id='LC48'> <span class="c1">// once because the number of LEDs remains constant:</span></div><div class='line' id='LC49'> <span class="n">buffer</span><span class="o">[</span><span class="mi">0</span><span class="o">]</span> <span class="o">=</span> <span class="sc">'A'</span><span class="o">;</span> <span class="c1">// Magic word</span></div><div class='line' id='LC50'> <span class="n">buffer</span><span class="o">[</span><span class="mi">1</span><span class="o">]</span> <span class="o">=</span> <span class="sc">'d'</span><span class="o">;</span></div><div class='line' id='LC51'> <span class="n">buffer</span><span class="o">[</span><span class="mi">2</span><span class="o">]</span> <span class="o">=</span> <span class="sc">'a'</span><span class="o">;</span></div><div class='line' id='LC52'> <span class="n">buffer</span><span class="o">[</span><span class="mi">3</span><span class="o">]</span> <span class="o">=</span> <span class="kt">byte</span><span class="o">((</span><span class="n">N_LEDS</span> <span class="o">-</span> <span class="mi">1</span><span class="o">)</span> <span class="o">>></span> <span class="mi">8</span><span class="o">);</span> <span class="c1">// LED count high byte</span></div><div class='line' id='LC53'> <span class="n">buffer</span><span class="o">[</span><span class="mi">4</span><span class="o">]</span> <span class="o">=</span> <span class="kt">byte</span><span class="o">((</span><span class="n">N_LEDS</span> <span class="o">-</span> <span class="mi">1</span><span class="o">)</span> <span class="o">&</span> <span class="mh">0xff</span><span class="o">);</span> <span class="c1">// LED count low byte</span></div><div class='line' id='LC54'> <span class="n">buffer</span><span class="o">[</span><span class="mi">5</span><span class="o">]</span> <span class="o">=</span> <span class="kt">byte</span><span class="o">(</span><span class="n">buffer</span><span class="o">[</span><span class="mi">3</span><span class="o">]</span> <span class="o">^</span> <span class="n">buffer</span><span class="o">[</span><span class="mi">4</span><span class="o">]</span> <span class="o">^</span> <span class="mh">0x55</span><span class="o">);</span> <span class="c1">// Checksum</span></div><div class='line' id='LC55'><br/></div><div class='line' id='LC56'> <span class="n">sine1</span> <span class="o">=</span> <span class="mf">0.0</span><span class="o">;</span></div><div class='line' id='LC57'> <span class="n">hue1</span> <span class="o">=</span> <span class="mi">0</span><span class="o">;</span></div><div class='line' id='LC58'> <span class="n">prev</span> <span class="o">=</span> <span class="n">second</span><span class="o">();</span> <span class="c1">// For bandwidth statistics</span></div><div class='line' id='LC59'><br/></div><div class='line' id='LC60'> <span class="k">for</span> <span class="o">(;
</span> <span class="o">{</span></div><div class='line' id='LC61'> <span class="n">sine2</span> <span class="o">=</span> <span class="n">sine1</span><span class="o">;</span></div><div class='line' id='LC62'> <span class="n">hue2</span> <span class="o">=</span> <span class="n">hue1</span><span class="o">;</span></div><div class='line' id='LC63'><br/></div><div class='line' id='LC64'> <span class="c1">// Start at position 6, after the LED header/magic word</span></div><div class='line' id='LC65'> <span class="k">for</span> <span class="o">(</span><span class="n">i</span> <span class="o">=</span> <span class="mi">6</span><span class="o">;</span> <span class="n">i</span> <span class="o"><</span> <span class="n">buffer</span><span class="o">.</span><span class="na">length</span><span class="o">;</span> <span class="o">)</span> <span class="o">{</span></div><div class='line' id='LC66'> <span class="c1">// Fixed-point hue-to-RGB conversion. 'hue2' is an integer in the</span></div><div class='line' id='LC67'> <span class="c1">// range of 0 to 1535, where 0 = red, 256 = yellow, 512 = green, etc.</span></div><div class='line' id='LC68'> <span class="c1">// The high byte (0-5) corresponds to the sextant within the color</span></div><div class='line' id='LC69'> <span class="c1">// wheel, while the low byte (0-255) is the fractional part between</span></div><div class='line' id='LC70'> <span class="c1">// the primary/secondary colors.</span></div><div class='line' id='LC71'> <span class="n">lo</span> <span class="o">=</span> <span class="n">hue2</span> <span class="o">&</span> <span class="mi">255</span><span class="o">;</span></div><div class='line' id='LC72'> <span class="k">switch</span><span class="o">((</span><span class="n">hue2</span> <span class="o">>></span> <span class="mi">8</span><span class="o">)</span> <span class="o">%</span> <span class="mi">6</span><span class="o">)</span> <span class="o">{</span></div><div class='line' id='LC73'> <span class="k">case</span> <span class="mi">0</span><span class="o">:</span></div><div class='line' id='LC74'> <span class="n">r</span> <span class="o">=</span> <span class="mi">255</span><span class="o">;</span></div><div class='line' id='LC75'> <span class="n">g</span> <span class="o">=</span> <span class="n">lo</span><span class="o">;</span></div><div class='line' id='LC76'> <span class="n">b</span> <span class="o">=</span> <span class="mi">0</span><span class="o">;</span></div><div class='line' id='LC77'> <span class="k">break</span><span class="o">;</span></div><div class='line' id='LC78'> <span class="k">case</span> <span class="mi">1</span><span class="o">:</span></div><div class='line' id='LC79'> <span class="n">r</span> <span class="o">=</span> <span class="mi">255</span> <span class="o">-</span> <span class="n">lo</span><span class="o">;</span></div><div class='line' id='LC80'> <span class="n">g</span> <span class="o">=</span> <span class="mi">255</span><span class="o">;</span></div><div class='line' id='LC81'> <span class="n">b</span> <span class="o">=</span> <span class="mi">0</span><span class="o">;</span></div><div class='line' id='LC82'> <span class="k">break</span><span class="o">;</span></div><div class='line' id='LC83'> <span class="k">case</span> <span class="mi">2</span><span class="o">:</span></div><div class='line' id='LC84'> <span class="n">r</span> <span class="o">=</span> <span class="mi">0</span><span class="o">;</span></div><div class='line' id='LC85'> <span class="n">g</span> <span class="o">=</span> <span class="mi">255</span><span class="o">;</span></div><div class='line' id='LC86'> <span class="n">b</span> <span class="o">=</span> <span class="n">lo</span><span class="o">;</span></div><div class='line' id='LC87'> <span class="k">break</span><span class="o">;</span></div><div class='line' id='LC88'> <span class="k">case</span> <span class="mi">3</span><span class="o">:</span></div><div class='line' id='LC89'> <span class="n">r</span> <span class="o">=</span> <span class="mi">0</span><span class="o">;</span></div><div class='line' id='LC90'> <span class="n">g</span> <span class="o">=</span> <span class="mi">255</span> <span class="o">-</span> <span class="n">lo</span><span class="o">;</span></div><div class='line' id='LC91'> <span class="n">b</span> <span class="o">=</span> <span class="mi">255</span><span class="o">;</span></div><div class='line' id='LC92'> <span class="k">break</span><span class="o">;</span></div><div class='line' id='LC93'> <span class="k">case</span> <span class="mi">4</span><span class="o">:</span></div><div class='line' id='LC94'> <span class="n">r</span> <span class="o">=</span> <span class="n">lo</span><span class="o">;</span></div><div class='line' id='LC95'> <span class="n">g</span> <span class="o">=</span> <span class="mi">0</span><span class="o">;</span></div><div class='line' id='LC96'> <span class="n">b</span> <span class="o">=</span> <span class="mi">255</span><span class="o">;</span></div><div class='line' id='LC97'> <span class="k">break</span><span class="o">;</span></div><div class='line' id='LC98'> <span class="k">default</span><span class="o">:</span></div><div class='line' id='LC99'> <span class="n">r</span> <span class="o">=</span> <span class="mi">255</span><span class="o">;</span></div><div class='line' id='LC100'> <span class="n">g</span> <span class="o">=</span> <span class="mi">0</span><span class="o">;</span></div><div class='line' id='LC101'> <span class="n">b</span> <span class="o">=</span> <span class="mi">255</span> <span class="o">-</span> <span class="n">lo</span><span class="o">;</span></div><div class='line' id='LC102'> <span class="k">break</span><span class="o">;</span></div><div class='line' id='LC103'> <span class="o">}</span></div><div class='line' id='LC104'><br/></div><div class='line' id='LC105'> <span class="c1">// Resulting hue is multiplied by brightness in the range of 0 to 255</span></div><div class='line' id='LC106'> <span class="c1">// (0 = off, 255 = brightest). Gamma corrrection (the 'pow' function</span></div><div class='line' id='LC107'> <span class="c1">// here) adjusts the brightness to be more perceptually linear.</span></div><div class='line' id='LC108'> <span class="n">bright</span> <span class="o">=</span> <span class="kt">int</span><span class="o">(</span><span class="n">pow</span><span class="o">(</span><span class="mf">0.5</span> <span class="o">+</span> <span class="n">sin</span><span class="o">(</span><span class="n">sine2</span><span class="o">)</span> <span class="o">*</span> <span class="mf">0.5</span><span class="o">,</span> <span class="mf">2.8</span><span class="o">)</span> <span class="o">*</span> <span class="mf">255.0</span><span class="o">);</span></div><div class='line' id='LC109'> <span class="n">buffer</span><span class="o">[</span><span class="n">i</span><span class="o">++]</span> <span class="o">=</span> <span class="kt">byte</span><span class="o">((</span><span class="n">r</span> <span class="o">*</span> <span class="n">bright</span><span class="o">)</span> <span class="o">/</span> <span class="mi">255</span><span class="o">);</span></div><div class='line' id='LC110'> <span class="n">buffer</span><span class="o">[</span><span class="n">i</span><span class="o">++]</span> <span class="o">=</span> <span class="kt">byte</span><span class="o">((</span><span class="n">g</span> <span class="o">*</span> <span class="n">bright</span><span class="o">)</span> <span class="o">/</span> <span class="mi">255</span><span class="o">);</span></div><div class='line' id='LC111'> <span class="n">buffer</span><span class="o">[</span><span class="n">i</span><span class="o">++]</span> <span class="o">=</span> <span class="kt">byte</span><span class="o">((</span><span class="n">b</span> <span class="o">*</span> <span class="n">bright</span><span class="o">)</span> <span class="o">/</span> <span class="mi">255</span><span class="o">);</span></div><div class='line' id='LC112'><br/></div><div class='line' id='LC113'> <span class="c1">// Each pixel is slightly offset in both hue and brightness</span></div><div class='line' id='LC114'> <span class="n">hue2</span> <span class="o">+=</span> <span class="mi">40</span><span class="o">;</span></div><div class='line' id='LC115'> <span class="n">sine2</span> <span class="o">+=</span> <span class="mf">0.3</span><span class="o">;</span></div><div class='line' id='LC116'> <span class="o">}</span></div><div class='line' id='LC117'><br/></div><div class='line' id='LC118'> <span class="c1">// Slowly rotate hue and brightness in opposite directions</span></div><div class='line' id='LC119'> <span class="n">hue1</span> <span class="o">=</span> <span class="o">(</span><span class="n">hue1</span> <span class="o">+</span> <span class="mi">4</span><span class="o">)</span> <span class="o">%</span> <span class="mi">1536</span><span class="o">;</span></div><div class='line' id='LC120'> <span class="n">sine1</span> <span class="o">-=</span> <span class="o">.</span><span class="mi">03</span><span class="o">;</span></div><div class='line' id='LC121'><br/></div><div class='line' id='LC122'> <span class="c1">// Issue color data to LEDs and keep track of the byte and frame counts</span></div><div class='line' id='LC123'> <span class="n">myPort</span><span class="o">.</span><span class="na">write</span><span class="o">(</span><span class="n">buffer</span><span class="o">);</span></div><div class='line' id='LC124'> <span class="n">totalBytesSent</span> <span class="o">+=</span> <span class="n">buffer</span><span class="o">.</span><span class="na">length</span><span class="o">;</span></div><div class='line' id='LC125'> <span class="n">frame</span><span class="o">++;</span></div><div class='line' id='LC126'><br/></div><div class='line' id='LC127'> <span class="c1">// Update statistics once per second</span></div><div class='line' id='LC128'> <span class="k">if</span> <span class="o">((</span><span class="n">t</span> <span class="o">=</span> <span class="n">second</span><span class="o">())</span> <span class="o">!=</span> <span class="n">prev</span><span class="o">)</span> <span class="o">{</span></div><div class='line' id='LC129'> <span class="n">print</span><span class="o">(</span><span class="s">"Average frames/sec: "</span><span class="o">);</span></div><div class='line' id='LC130'> <span class="n">print</span><span class="o">(</span><span class="kt">int</span><span class="o">((</span><span class="kt">float</span><span class="o">)</span><span class="n">frame</span> <span class="o">/</span> <span class="o">(</span><span class="kt">float</span><span class="o">)</span><span class="n">millis</span><span class="o">()</span> <span class="o">*</span> <span class="mf">1000.0</span><span class="o">));</span></div><div class='line' id='LC131'> <span class="n">print</span><span class="o">(</span><span class="s">", bytes/sec: "</span><span class="o">);</span></div><div class='line' id='LC132'> <span class="n">println</span><span class="o">(</span><span class="kt">int</span><span class="o">((</span><span class="kt">float</span><span class="o">)</span><span class="n">totalBytesSent</span> <span class="o">/</span> <span class="o">(</span><span class="kt">float</span><span class="o">)</span><span class="n">millis</span><span class="o">()</span> <span class="o">*</span> <span class="mf">1000.0</span><span class="o">));</span></div><div class='line' id='LC133'> <span class="n">prev</span> <span class="o">=</span> <span class="n">t</span><span class="o">;</span></div><div class='line' id='LC134'> <span class="o">}</span></div><div class='line' id='LC135'> <span class="o">}</span></div><div class='line' id='LC136'><span class="o">}</span></div><div class='line' id='LC137'><br/></div><div class='line' id='LC138'><span class="kt">void</span> <span class="nf">draw</span><span class="o">()</span></div><div class='line' id='LC139'><span class="o">{</span></div><div class='line' id='LC140'><span class="o">}</span></div><div class='line' id='LC141'><br/></div></pre></div></td>
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