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| <div class="section" id="newt-manager"> |
| <h1>Newt Manager<a class="headerlink" href="#newt-manager" title="Permalink to this headline">¶</a></h1> |
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| <p>Newt Manager is the protocol that enables your Mynewt application to |
| communicate remotely with your device running the Mynewt OS in order to |
| configure, manage, conduct maintenance, and monitor it. The core device |
| management module is called <code class="docutils literal notranslate"><span class="pre">mgmt</span></code> and offers multiple options for |
| invoking the appropriate newt manager commands for various operations on |
| the device e.g. enabling and collecting logs, configuring and retrieving |
| stats, resetting the device etc.</p> |
| <ol class="arabic simple"> |
| <li><p>Use the <code class="docutils literal notranslate"><span class="pre">newtmgr</span></code> package if reduced code footprint is your primary |
| requirement and you do not have interoperability requirements |
| upstream for device information, discovery, and connectivity.</p></li> |
| <li><p>Use the <code class="docutils literal notranslate"><span class="pre">oicmgr</span></code> package if interoperability and standards-based |
| connectivity for device interaction is your primary requirement. This |
| package supports the OIC (Open Interconnect Consortium) Specification |
| 1.1.0 framework from Open Connectivity Foundation (OCF).</p></li> |
| </ol> |
| <div class="section" id="invoking-newt-manager-commands"> |
| <h2>Invoking Newt Manager commands<a class="headerlink" href="#invoking-newt-manager-commands" title="Permalink to this headline">¶</a></h2> |
| <p>The diagram below indicates the two options available to the application |
| developer to issue Newt Manager (<code class="docutils literal notranslate"><span class="pre">newtmgr</span></code>) commands on a Mynewt |
| device. The application may leverage the <code class="docutils literal notranslate"><span class="pre">newtmgr</span></code> framework or the |
| <code class="docutils literal notranslate"><span class="pre">oicmgr</span></code> framework to call the newtmgr commands. The latter is |
| described in the next chapter.</p> |
| <div class="figure align-default" id="id1"> |
| <img alt="Device Management" src="../../../_images/device-mgmt.png" /> |
| <p class="caption"><span class="caption-text">Device Management</span><a class="headerlink" href="#id1" title="Permalink to this image">¶</a></p> |
| </div> |
| </div> |
| <div class="section" id="newtmgr"> |
| <h2>newtmgr<a class="headerlink" href="#newtmgr" title="Permalink to this headline">¶</a></h2> |
| <p>The newtmgr framework uses a simple request and response message format |
| to send commands to the device. A message consists of an eight byte |
| header and the message payload. The message header specifies the newtmgr |
| command. The message payload contains the newtmgr request/response data |
| and is encoded in CBOR (Concise Binary Object Representation) format. |
| newtmgr supports BLE and serial connections.</p> |
| <p>The newtmgr framework has a smaller code size and memory footprint than |
| oicmgr but does not support open connectivity.</p> |
| </div> |
| <div class="section" id="api"> |
| <h2>API<a class="headerlink" href="#api" title="Permalink to this headline">¶</a></h2> |
| <div class="admonition warning"> |
| <p class="admonition-title">Warning</p> |
| <p>doxygengroup: Cannot find group “Newtmgr” in doxygen xml output for project “mynewt-core” from directory: mynewt-core-xml</p> |
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