131 wiersze
6.3 KiB
HTML
131 wiersze
6.3 KiB
HTML
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<div id="projectname">Repetier-Firmware
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 <span id="projectnumber">0.91</span>
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<div class="textblock"><h2><a class="anchor" id="Introduction"></a>
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Introduction</h2>
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<p>The repetier-protocol was developed, to overcome some shortcommings in the standard RepRap communication method, while remaining backward compatible. To use the improved features of this protocal, you need a host which speaks it. On Windows the recommended host software is Repetier-Host. It is developed in parallel to this firmware and supports all implemented features.</p>
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<h3><a class="anchor" id="Improvements"></a>
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Improvements</h3>
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<ul>
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<li>With higher speeds, the serial connection is more likely to produce communication failures. The standard method is to transfer a checksum at the end of the line. This checksum is the XORd value of all characters send. The value is limited to a range between 0 and 127. It can not detect two identical missing characters or a wrong order. Therefore the new protocol uses Fletchers checksum, which overcomes these shortcommings.</li>
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<li>The new protocol send data in binary format. This reduces the data size to less then 50% and it speeds up decoding the command. No slow conversion from string to floats are needed. </li>
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<li class="footer">Generated on Mon Dec 30 2013 18:53:03 for Repetier-Firmware by
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.6.1 </li>
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