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classMMU2_1_1MMU2.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<title>Prusa3d Marlin fork: MMU2::MMU2 Class Reference</title>
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<div id="projectname">Prusa3d Marlin fork
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<ul>
<li class="navelem"><a class="el" href="namespaceMMU2.html">MMU2</a></li><li class="navelem"><a class="el" href="classMMU2_1_1MMU2.html">MMU2</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="summary">
<a href="#pub-types">Public Types</a> |
<a href="#pub-methods">Public Member Functions</a> |
<a href="#pub-attribs">Public Attributes</a> |
<a href="#friends">Friends</a> |
<a href="classMMU2_1_1MMU2-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">MMU2::MMU2 Class Reference</div> </div>
</div><!--header-->
<div class="contents">
<p><code>#include <<a class="el" href="mmu2_8h_source.html">mmu2.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a7add3aec8ab121e2209759fadaa45f1d"><td class="memItemLeft" align="right" valign="top">enum class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a7add3aec8ab121e2209759fadaa45f1d">xState</a> : uint_fast8_t { <a class="el" href="classMMU2_1_1MMU2.html#a7add3aec8ab121e2209759fadaa45f1da4d3d769b812b6faa6b76e1a8abaece2d">Active</a>
, <a class="el" href="classMMU2_1_1MMU2.html#a7add3aec8ab121e2209759fadaa45f1dae321c53b354930ba96f0243e652df458">Connecting</a>
, <a class="el" href="classMMU2_1_1MMU2.html#a7add3aec8ab121e2209759fadaa45f1dac23e2b09ebe6bf4cb5e2a9abe85c0be2">Stopped</a>
}</td></tr>
<tr class="separator:a7add3aec8ab121e2209759fadaa45f1d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0650f91a5aae9421d9ac17e135e319d1"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a0650f91a5aae9421d9ac17e135e319d1">ResetForm</a> : uint8_t { <a class="el" href="classMMU2_1_1MMU2.html#a0650f91a5aae9421d9ac17e135e319d1a0579328fe42b151db6687ba862e9ae90">Software</a> = 0
, <a class="el" href="classMMU2_1_1MMU2.html#a0650f91a5aae9421d9ac17e135e319d1aae87bfd8a141476629587096de071723">ResetPin</a> = 1
, <a class="el" href="classMMU2_1_1MMU2.html#a0650f91a5aae9421d9ac17e135e319d1a02030fa54a784566d2cd70e9b72099f8">CutThePower</a> = 2
}</td></tr>
<tr class="memdesc:a0650f91a5aae9421d9ac17e135e319d1"><td class="mdescLeft"> </td><td class="mdescRight">Different levels of resetting the MMU. <a href="classMMU2_1_1MMU2.html#a0650f91a5aae9421d9ac17e135e319d1">More...</a><br /></td></tr>
<tr class="separator:a0650f91a5aae9421d9ac17e135e319d1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9a1f31667319bd5aa680ce39dcfe6d23"><td class="memItemLeft" align="right" valign="top"><a id="a9a1f31667319bd5aa680ce39dcfe6d23"></a>enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a9a1f31667319bd5aa680ce39dcfe6d23">SavedState</a> : uint8_t { <b>None</b> = 0
, <b>ParkExtruder</b> = 1
, <b>Cooldown</b> = 2
, <b>CooldownPending</b> = 4
}</td></tr>
<tr class="memdesc:a9a1f31667319bd5aa680ce39dcfe6d23"><td class="mdescLeft"> </td><td class="mdescRight">Saved print state on error. <br /></td></tr>
<tr class="separator:a9a1f31667319bd5aa680ce39dcfe6d23"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3614b14bc75b4ab4360ae0d9809eece7"><td class="memItemLeft" align="right" valign="top"><a id="a3614b14bc75b4ab4360ae0d9809eece7"></a>enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a3614b14bc75b4ab4360ae0d9809eece7">ErrorSource</a> : uint8_t { <b>ErrorSourcePrinter</b> = 0
, <b>ErrorSourceMMU</b> = 1
, <b>ErrorSourceNone</b> = 0xFF
}</td></tr>
<tr class="memdesc:a3614b14bc75b4ab4360ae0d9809eece7"><td class="mdescLeft"> </td><td class="mdescRight">Source of operation error. <br /></td></tr>
<tr class="separator:a3614b14bc75b4ab4360ae0d9809eece7"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ae5ae1abb18400faf01f337400a080db7"><td class="memItemLeft" align="right" valign="top"><a id="ae5ae1abb18400faf01f337400a080db7"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#ae5ae1abb18400faf01f337400a080db7">Start</a> ()</td></tr>
<tr class="memdesc:ae5ae1abb18400faf01f337400a080db7"><td class="mdescLeft"> </td><td class="mdescRight">Powers ON the MMU, then initializes the UART and protocol logic. <br /></td></tr>
<tr class="separator:ae5ae1abb18400faf01f337400a080db7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9d791af568150540bcfd96f14de372ec"><td class="memItemLeft" align="right" valign="top"><a id="a9d791af568150540bcfd96f14de372ec"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a9d791af568150540bcfd96f14de372ec">Stop</a> ()</td></tr>
<tr class="memdesc:a9d791af568150540bcfd96f14de372ec"><td class="mdescLeft"> </td><td class="mdescRight">Stops the protocol logic, closes the UART, powers OFF the MMU. <br /></td></tr>
<tr class="separator:a9d791af568150540bcfd96f14de372ec"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a58ea4894d85841d7339766fd335a890f"><td class="memItemLeft" align="right" valign="top"><a id="a58ea4894d85841d7339766fd335a890f"></a>
<a class="el" href="classMMU2_1_1MMU2.html#a7add3aec8ab121e2209759fadaa45f1d">xState</a> </td><td class="memItemRight" valign="bottom"><b>State</b> () const</td></tr>
<tr class="separator:a58ea4894d85841d7339766fd335a890f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aeb1955354cdd8b4c996091bcb4d653ab"><td class="memItemLeft" align="right" valign="top"><a id="aeb1955354cdd8b4c996091bcb4d653ab"></a>
bool </td><td class="memItemRight" valign="bottom"><b>Enabled</b> () const</td></tr>
<tr class="separator:aeb1955354cdd8b4c996091bcb4d653ab"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af3c361cea350514f8afad189bed7c45f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#af3c361cea350514f8afad189bed7c45f">Reset</a> (<a class="el" href="classMMU2_1_1MMU2.html#a0650f91a5aae9421d9ac17e135e319d1">ResetForm</a> level)</td></tr>
<tr class="separator:af3c361cea350514f8afad189bed7c45f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab784a68886e854999c3c4b68021aecaa"><td class="memItemLeft" align="right" valign="top"><a id="ab784a68886e854999c3c4b68021aecaa"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#ab784a68886e854999c3c4b68021aecaa">PowerOff</a> ()</td></tr>
<tr class="memdesc:ab784a68886e854999c3c4b68021aecaa"><td class="mdescLeft"> </td><td class="mdescRight">Power off the MMU (cut the power) <br /></td></tr>
<tr class="separator:ab784a68886e854999c3c4b68021aecaa"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab14dd95ce4910cef4ff83a1d960fc569"><td class="memItemLeft" align="right" valign="top"><a id="ab14dd95ce4910cef4ff83a1d960fc569"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#ab14dd95ce4910cef4ff83a1d960fc569">PowerOn</a> ()</td></tr>
<tr class="memdesc:ab14dd95ce4910cef4ff83a1d960fc569"><td class="mdescLeft"> </td><td class="mdescRight">Power on the MMU. <br /></td></tr>
<tr class="separator:ab14dd95ce4910cef4ff83a1d960fc569"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af73b48942acc069df3995112f33d48b7"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#af73b48942acc069df3995112f33d48b7">ReadRegister</a> (uint8_t address)</td></tr>
<tr class="separator:af73b48942acc069df3995112f33d48b7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a43f2bf2bd36e0fa8ec47e842c28a922a"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a43f2bf2bd36e0fa8ec47e842c28a922a">WriteRegister</a> (uint8_t address, uint16_t data)</td></tr>
<tr class="separator:a43f2bf2bd36e0fa8ec47e842c28a922a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6b507d65ba816c54725972345d793c77"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a6b507d65ba816c54725972345d793c77">mmu_loop</a> ()</td></tr>
<tr class="separator:a6b507d65ba816c54725972345d793c77"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a37b53f83948aacfc34ac487f6929b9e2"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a37b53f83948aacfc34ac487f6929b9e2">tool_change</a> (uint8_t slot)</td></tr>
<tr class="separator:a37b53f83948aacfc34ac487f6929b9e2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a16c01fce2453f8401b0f578e0842d010"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a16c01fce2453f8401b0f578e0842d010">tool_change</a> (char code, uint8_t slot)</td></tr>
<tr class="memdesc:a16c01fce2453f8401b0f578e0842d010"><td class="mdescLeft"> </td><td class="mdescRight">Handling of special Tx, Tc, T? commands. <a href="classMMU2_1_1MMU2.html#a16c01fce2453f8401b0f578e0842d010">More...</a><br /></td></tr>
<tr class="separator:a16c01fce2453f8401b0f578e0842d010"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aefb353b25ef13dbbba311349982d4c25"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#aefb353b25ef13dbbba311349982d4c25">unload</a> ()</td></tr>
<tr class="separator:aefb353b25ef13dbbba311349982d4c25"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0312f3e71e3d89dfee18c7ff553f12b0"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a0312f3e71e3d89dfee18c7ff553f12b0">load_filament</a> (uint8_t slot)</td></tr>
<tr class="separator:a0312f3e71e3d89dfee18c7ff553f12b0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab61ea87758c6616d897070d0a6231366"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#ab61ea87758c6616d897070d0a6231366">load_filament_to_nozzle</a> (uint8_t slot)</td></tr>
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<tr class="memitem:ad0ed46b48d95ecc8c6258c1b75c40efa"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#ad0ed46b48d95ecc8c6258c1b75c40efa">eject_filament</a> (uint8_t slot, bool enableFullScreenMsg=true)</td></tr>
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<tr class="memitem:a9ca1b425176962826de1b063bf8688bb"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a9ca1b425176962826de1b063bf8688bb">cut_filament</a> (uint8_t slot, bool enableFullScreenMsg=true)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#abcaab384031784c818c626ee001ef711">get_statistics</a> ()</td></tr>
<tr class="memdesc:abcaab384031784c818c626ee001ef711"><td class="mdescLeft"> </td><td class="mdescRight">Issue a planned request for statistics data from MMU. <br /></td></tr>
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<tr class="memitem:a8c2379de6a294ed8b2f67156623399dc"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a8c2379de6a294ed8b2f67156623399dc">loading_test</a> (uint8_t slot)</td></tr>
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<tr class="memitem:acc234c2a5c6767a7a6e43813562476c8"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#acc234c2a5c6767a7a6e43813562476c8">get_current_tool</a> () const</td></tr>
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<tr class="memitem:aa60b0cd493eebd001e42c1feb137dc75"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#aa60b0cd493eebd001e42c1feb137dc75">get_tool_change_tool</a> () const</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>set_filament_type</b> (uint8_t slot, uint8_t type)</td></tr>
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<tr class="memitem:a9a4d7319357bfb3ef2ee188e831760cc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a9a4d7319357bfb3ef2ee188e831760cc">Button</a> (uint8_t index)</td></tr>
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<tr class="memitem:af9fbe51d8b2a9f5b1eaa5c0304a3c0d1"><td class="memItemLeft" align="right" valign="top"><a id="af9fbe51d8b2a9f5b1eaa5c0304a3c0d1"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#af9fbe51d8b2a9f5b1eaa5c0304a3c0d1">Home</a> (uint8_t mode)</td></tr>
<tr class="memdesc:af9fbe51d8b2a9f5b1eaa5c0304a3c0d1"><td class="mdescLeft"> </td><td class="mdescRight">Issue an explicit "homing" command into the MMU. <br /></td></tr>
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<tr class="memitem:a8b9ac3243655d77087c0432174184b81"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a8b9ac3243655d77087c0432174184b81">FindaDetectsFilament</a> () const</td></tr>
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uint16_t </td><td class="memItemRight" valign="bottom"><b>TotalFailStatistics</b> () const</td></tr>
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<tr class="memitem:aea5d9a00addb9e6856e995ab9a1d75e1"><td class="memItemLeft" align="right" valign="top">ErrorCode </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#aea5d9a00addb9e6856e995ab9a1d75e1">MMUCurrentErrorCode</a> () const</td></tr>
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<tr class="memitem:a85fda590aed54123a0fdbbdf6dfa0431"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classMMU2_1_1MMU2.html#a3614b14bc75b4ab4360ae0d9809eece7">ErrorSource</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a85fda590aed54123a0fdbbdf6dfa0431">MMULastErrorSource</a> () const</td></tr>
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<tr class="memitem:ac089a1ff163d4f6e55997fda5926ddf5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structMMU2_1_1Version.html">Version</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#ac089a1ff163d4f6e55997fda5926ddf5">GetMMUFWVersion</a> () const</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#aa8ca910d51cb40dd560914e4f88a498a">MMU_PRINT_SAVED</a> () const</td></tr>
<tr class="memdesc:aa8ca910d51cb40dd560914e4f88a498a"><td class="mdescLeft"> </td><td class="mdescRight">Method to read-only mmu_print_saved. <br /></td></tr>
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<tr class="memitem:a6e42b64e85d9fc7f650cfe640887d582"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a6e42b64e85d9fc7f650cfe640887d582">RetryIfPossible</a> (uint16_t ec)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a865e856282d60bdcd4f54f72a944814c">DecrementRetryAttempts</a> ()</td></tr>
<tr class="memdesc:a865e856282d60bdcd4f54f72a944814c"><td class="mdescLeft"> </td><td class="mdescRight">Decrement the retry attempts, if in a retry. <br /></td></tr>
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<tr class="memitem:a3f3d81ee2257c28312837f299ec4657b"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a3f3d81ee2257c28312837f299ec4657b">ToolChangeCounter</a> () const</td></tr>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classMMU2_1_1MMU2.html#a991ee6e6abb99b50f72c3c2ebe78b9a4">ClearToolChangeCounter</a> ()</td></tr>
<tr class="memdesc:a991ee6e6abb99b50f72c3c2ebe78b9a4"><td class="mdescLeft"> </td><td class="mdescRight">Set toolchange counter to zero. <br /></td></tr>
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uint16_t </td><td class="memItemRight" valign="bottom"><b>TMCFailures</b> () const</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>IncrementTMCFailures</b> ()</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>ClearTMCFailures</b> ()</td></tr>
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Public Attributes</h2></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>is_mmu_error_monitor_active</b></td></tr>
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Friends</h2></td></tr>
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struct </td><td class="memItemRight" valign="bottom"><b>LoadingToNozzleRAII</b></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Top-level interface between Logic and Marlin. Intentionally named <a class="el" href="classMMU2_1_1MMU2.html">MMU2</a> to be (almost) a drop-in replacement for the previous implementation. Most of the public methods share the original naming convention as well. </p>
</div><h2 class="groupheader">Member Enumeration Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a0650f91a5aae9421d9ac17e135e319d1">◆ </a></span>ResetForm</h2>
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<td class="memname">enum <a class="el" href="classMMU2_1_1MMU2.html#a0650f91a5aae9421d9ac17e135e319d1">MMU2::MMU2::ResetForm</a> : uint8_t</td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a0650f91a5aae9421d9ac17e135e319d1a0579328fe42b151db6687ba862e9ae90"></a>Software </td><td class="fielddoc"><p>sends a X0 command into the MMU, the MMU will watchdog-reset itself </p>
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<tr><td class="fieldname"><a id="a0650f91a5aae9421d9ac17e135e319d1aae87bfd8a141476629587096de071723"></a>ResetPin </td><td class="fielddoc"><p>trigger the reset pin of the MMU </p>
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<tr><td class="fieldname"><a id="a0650f91a5aae9421d9ac17e135e319d1a02030fa54a784566d2cd70e9b72099f8"></a>CutThePower </td><td class="fielddoc"><p>power off and power on (that includes +5V and +24V power lines) </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7add3aec8ab121e2209759fadaa45f1d">◆ </a></span>xState</h2>
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<td class="memname">enum <a class="el" href="classMMU2_1_1MMU2.html#a7add3aec8ab121e2209759fadaa45f1d">MMU2::MMU2::xState</a> : uint_fast8_t</td>
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<p>States of a printer with the MMU:</p><ul>
<li>Active</li>
<li>Connecting</li>
<li>Stopped</li>
</ul>
<p>When the printer's FW starts, the <a class="el" href="classMMU2_1_1MMU2.html">MMU2</a> mode is either Stopped or NotResponding (based on user's preference). When the MMU successfully establishes communication, the state changes to Active. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a7add3aec8ab121e2209759fadaa45f1da4d3d769b812b6faa6b76e1a8abaece2d"></a>Active </td><td class="fielddoc"><p>MMU has been detected, connected, communicates and is ready to be worked with. </p>
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<tr><td class="fieldname"><a id="a7add3aec8ab121e2209759fadaa45f1dae321c53b354930ba96f0243e652df458"></a>Connecting </td><td class="fielddoc"><p>MMU is connected but it doesn't communicate (yet). The user wants the MMU, but it is not ready to be worked with. </p>
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<tr><td class="fieldname"><a id="a7add3aec8ab121e2209759fadaa45f1dac23e2b09ebe6bf4cb5e2a9abe85c0be2"></a>Stopped </td><td class="fielddoc"><p>The user doesn't want the printer to work with the MMU. The MMU itself is not powered and does not work at all. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a9a4d7319357bfb3ef2ee188e831760cc">◆ </a></span>Button()</h2>
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<td class="memname">void MMU2::MMU2::Button </td>
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<p>Issue a "button" click into the MMU - to be used from Error screens of the MMU to select one of the 3 possible options to resolve the issue </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9ca1b425176962826de1b063bf8688bb">◆ </a></span>cut_filament()</h2>
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<td class="memname">bool MMU2::MMU2::cut_filament </td>
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<td class="paramtype">uint8_t </td>
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<p>Issue a Cut command into the MMU Requires unloaded filament from the printer (obviously) </p><dl class="section return"><dt>Returns</dt><dd>false if the operation cannot be performed (Stopped) </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ad0ed46b48d95ecc8c6258c1b75c40efa">◆ </a></span>eject_filament()</h2>
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<td class="memname">bool MMU2::MMU2::eject_filament </td>
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<p>Move MMU's selector aside and push the selected filament forward. Usable for improving filament's tip or pulling the remaining piece of filament out completely. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8b9ac3243655d77087c0432174184b81">◆ </a></span>FindaDetectsFilament()</h2>
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<td class="memname">bool MMU2::MMU2::FindaDetectsFilament </td>
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<dl class="section return"><dt>Returns</dt><dd>current state of FINDA (true=filament present, false=filament not present) </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#acc234c2a5c6767a7a6e43813562476c8">◆ </a></span>get_current_tool()</h2>
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<td class="memname">uint8_t MMU2::MMU2::get_current_tool </td>
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<dl class="section return"><dt>Returns</dt><dd>the active filament slot index (0-4) or 0xff in case of no active tool </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aa60b0cd493eebd001e42c1feb137dc75">◆ </a></span>get_tool_change_tool()</h2>
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<td class="memname">uint8_t MMU2::MMU2::get_tool_change_tool </td>
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<dl class="section return"><dt>Returns</dt><dd>The filament slot index (0 to 4) that will be loaded next, 0xff in case of no active tool change </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ac089a1ff163d4f6e55997fda5926ddf5">◆ </a></span>GetMMUFWVersion()</h2>
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<td class="memname"><a class="el" href="structMMU2_1_1Version.html">Version</a> MMU2::MMU2::GetMMUFWVersion </td>
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<dl class="section return"><dt>Returns</dt><dd>the version of the connected MMU FW. In the future we'll return the trully detected FW version </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a0312f3e71e3d89dfee18c7ff553f12b0">◆ </a></span>load_filament()</h2>
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<td class="memname">bool MMU2::MMU2::load_filament </td>
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<p>Load (insert) filament just into the MMU (not into printer's nozzle) </p><dl class="section return"><dt>Returns</dt><dd>false if the operation cannot be performed (Stopped) </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ab61ea87758c6616d897070d0a6231366">◆ </a></span>load_filament_to_nozzle()</h2>
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<td class="memname">bool MMU2::MMU2::load_filament_to_nozzle </td>
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<p>Load (push) filament from the MMU into the printer's nozzle </p><dl class="section return"><dt>Returns</dt><dd>false if the operation cannot be performed (Stopped or cold extruder) </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a8c2379de6a294ed8b2f67156623399dc">◆ </a></span>loading_test()</h2>
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<td class="memname">bool MMU2::MMU2::loading_test </td>
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<p>Issue a Try-Load command It behaves very similarly like a ToolChange, but it doesn't load the filament all the way down to the nozzle. The sole purpose of this operation is to check, that the filament will be ready for printing. </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">slot</td><td>index of slot to be tested </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>true </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a6b507d65ba816c54725972345d793c77">◆ </a></span>mmu_loop()</h2>
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<td class="memname">void MMU2::MMU2::mmu_loop </td>
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<p>The main loop of MMU processing. Doesn't loop (block) inside, performs just one step of logic state machines. Also, internally it prevents recursive entries. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aea5d9a00addb9e6856e995ab9a1d75e1">◆ </a></span>MMUCurrentErrorCode()</h2>
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<td class="memname">ErrorCode MMU2::MMU2::MMUCurrentErrorCode </td>
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<dl class="section return"><dt>Returns</dt><dd>Current error code </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a85fda590aed54123a0fdbbdf6dfa0431">◆ </a></span>MMULastErrorSource()</h2>
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<td class="memname"><a class="el" href="classMMU2_1_1MMU2.html#a3614b14bc75b4ab4360ae0d9809eece7">ErrorSource</a> MMU2::MMU2::MMULastErrorSource </td>
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<dl class="section return"><dt>Returns</dt><dd>Last error source </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#af73b48942acc069df3995112f33d48b7">◆ </a></span>ReadRegister()</h2>
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<td class="memname">bool MMU2::MMU2::ReadRegister </td>
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<p>Read from a MMU register (See gcode M707) </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">address</td><td>Address of register in hexidecimal </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>true upon success </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#af3c361cea350514f8afad189bed7c45f">◆ </a></span>Reset()</h2>
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<td class="memname">void MMU2::MMU2::Reset </td>
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<p>Perform a reset of the MMU </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">level</td><td>physical form of the reset </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a6e42b64e85d9fc7f650cfe640887d582">◆ </a></span>RetryIfPossible()</h2>
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<td class="memname">bool MMU2::MMU2::RetryIfPossible </td>
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<p>Automagically "press" a Retry button if we have any retry attempts left </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">ec</td><td>ErrorCode enum value </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>true if auto-retry is ongoing, false when retry is unavailable or retry attempts are all used up </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a16c01fce2453f8401b0f578e0842d010">◆ </a></span>tool_change() <span class="overload">[1/2]</span></h2>
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<td class="memname">bool MMU2::MMU2::tool_change </td>
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<td class="paramtype">char </td>
<td class="paramname"><em>code</em>, </td>
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<td class="paramname"><em>slot</em> </td>
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<p>Handle special T?/Tx/Tc commands</p>
<ul>
<li>T? Gcode to extrude shouldn't have to follow, load to extruder wheels is done automatically</li>
<li>Tx Same as T?, except nozzle doesn't have to be preheated. Tc must be placed after extruder nozzle is preheated to finish filament load.</li>
<li>Tc Load to nozzle after filament was prepared by Tx and extruder nozzle is already heated. </li>
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<h2 class="memtitle"><span class="permalink"><a href="#a37b53f83948aacfc34ac487f6929b9e2">◆ </a></span>tool_change() <span class="overload">[2/2]</span></h2>
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<td class="memname">bool MMU2::MMU2::tool_change </td>
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<p>The main MMU command - select a different slot </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">slot</td><td>of the slot to be selected </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>false if the operation cannot be performed (Stopped) </dd></dl>
<p>IS_SD_PRINTING && !usb_timer.running()</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3f3d81ee2257c28312837f299ec4657b">◆ </a></span>ToolChangeCounter()</h2>
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<td class="memname">uint16_t MMU2::MMU2::ToolChangeCounter </td>
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<dl class="section return"><dt>Returns</dt><dd>count for toolchange in current print </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aefb353b25ef13dbbba311349982d4c25">◆ </a></span>unload()</h2>
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<td class="memname">bool MMU2::MMU2::unload </td>
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<p>Unload of filament in collaboration with the MMU. That includes rotating the printer's extruder in order to release filament. </p><dl class="section return"><dt>Returns</dt><dd>false if the operation cannot be performed (Stopped or cold extruder) </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a43f2bf2bd36e0fa8ec47e842c28a922a">◆ </a></span>WriteRegister()</h2>
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<td class="memname">bool MMU2::MMU2::WriteRegister </td>
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<td class="paramtype">uint8_t </td>
<td class="paramname"><em>address</em>, </td>
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<td class="paramtype">uint16_t </td>
<td class="paramname"><em>data</em> </td>
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<p>Write from a MMU register (See gcode M708) </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">address</td><td>Address of register in hexidecimal </td></tr>
<tr><td class="paramname">data</td><td>Data to write to register </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>true upon success </dd></dl>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="mmu2_8h_source.html">mmu2.h</a></li>
<li>mmu2.cpp</li>
</ul>
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