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| <div class="section" id="ble-peripheral-project"> |
| <h1>BLE Peripheral Project<a class="headerlink" href="#ble-peripheral-project" title="Permalink to this headline">¶</a></h1> |
| <div class="toctree-wrapper compound"> |
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| <div class="section" id="introduction"> |
| <h2>Introduction<a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h2> |
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| <li><p><a class="reference internal" href="#overview" id="id1">Overview</a></p></li> |
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| <div class="section" id="overview"> |
| <h3><a class="toc-backref" href="#id1">Overview</a><a class="headerlink" href="#overview" title="Permalink to this headline">¶</a></h3> |
| <p><em>bleprph</em> is an example app included in the apache-mynewt-nimble |
| repository. This app implements a simple BLE peripheral with the |
| following properties:</p> |
| <ul class="simple"> |
| <li><p>Supports three services: GAP, GATT, and alert notification service |
| (ANS).</p></li> |
| <li><p>Supports a single concurrent connection.</p></li> |
| <li><p>Automatically advertises connectability when not connected to a |
| central device.</p></li> |
| </ul> |
| <p>This tutorial aims to provide a guided tour through the <em>bleprph</em> app |
| source code. This document builds on some concepts described elsewhere |
| in the Apache Mynewt documentation. Before proceeding with this |
| tutorial, you might want to familiarize yourself with the following |
| pages:</p> |
| <ul class="simple"> |
| <li><p><a class="reference internal" href="../../../get_started/project_create.html"><span class="doc">Create Your First Mynewt Project</span></a></p></li> |
| <li><p><a class="reference internal" href="../ble_bare_bones.html"><span class="doc">BLE Bare Bones Application Tutorial</span></a></p></li> |
| <li><p><span class="xref std std-doc">NimBLE Stack Initialization</span></p></li> |
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| <div class="section" id="services-characteristics-descriptors"> |
| <h3><a class="toc-backref" href="#id2">Services, Characteristics, Descriptors</a><a class="headerlink" href="#services-characteristics-descriptors" title="Permalink to this headline">¶</a></h3> |
| <p>A BLE peripheral interfaces with other BLE devices by exposing |
| <em>services</em>, <em>characteristics</em>, and <em>descriptors</em>. All three of these |
| entities are implemented at a lower layer via <em>attributes</em>. If you are |
| not familiar with these concepts, you will probably want to check out |
| <a class="reference external" href="https://www.bluetooth.com/specifications/gatt/generic-attributes-overview">overview</a> |
| from the Bluetooth Developer’s site before proceeding.</p> |
| <p>Now let’s dig in to some C code.</p> |
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