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| <div class="section" id="blinky-your-hello-world-on-a-pinetime-smartwatch"> |
| <h1>Blinky, your “Hello World!”, on a PineTime smartwatch<a class="headerlink" href="#blinky-your-hello-world-on-a-pinetime-smartwatch" title="Permalink to this headline">¶</a></h1> |
| <p>This tutorial shows you how to create, build, and run the Blinky |
| application on a PineTime smartwatch.</p> |
| <div class="contents local topic" id="contents"> |
| <ul class="simple"> |
| <li><p><a class="reference internal" href="#prerequisites" id="id1">Prerequisites</a></p></li> |
| <li><p><a class="reference internal" href="#create-a-project" id="id2">Create a Project</a></p></li> |
| <li><p><a class="reference internal" href="#create-the-targets" id="id3">Create the Targets</a></p></li> |
| <li><p><a class="reference internal" href="#build-the-target-executables" id="id4">Build the Target Executables</a></p></li> |
| <li><p><a class="reference internal" href="#sign-and-create-the-blinky-application-image" id="id5">Sign and Create the Blinky Application Image</a></p></li> |
| <li><p><a class="reference internal" href="#connect-to-the-board" id="id6">Connect to the Board</a></p></li> |
| <li><p><a class="reference internal" href="#load-the-bootloader-and-the-blinky-application-image" id="id7">Load the Bootloader and the Blinky Application Image</a></p></li> |
| </ul> |
| </div> |
| <div class="section" id="prerequisites"> |
| <h2><a class="toc-backref" href="#id1">Prerequisites</a><a class="headerlink" href="#prerequisites" title="Permalink to this headline">¶</a></h2> |
| <ul class="simple"> |
| <li><p>Meet the prerequisites listed in <a class="reference internal" href="blinky.html"><span class="doc">Project Blinky</span></a>.</p></li> |
| <li><p>Have a <a class="reference external" href="https://store.pine64.org/?product=pinetime-dev-kit">PineTime Dev Kit</a></p></li> |
| <li><p>Have a <a class="reference external" href="https://www.st.com/en/development-tools/st-link-v2.html">ST-LINK programmer</a> or a cheap clone</p></li> |
| <li><p>Install a patched version of OpenOCD 0.10.0 described in <a class="reference internal" href="../../get_started/native_install/cross_tools.html"><span class="doc">Install OpenOCD</span></a>.</p></li> |
| </ul> |
| <p>If you have not removed the flash protection yet, you should to that first. |
| See <a class="reference external" href="https://wiki.pine64.org/index.php/Reprogramming_the_PineTime">the PineTime wiki</a> |
| for instructions.</p> |
| </div> |
| <div class="section" id="create-a-project"> |
| <h2><a class="toc-backref" href="#id2">Create a Project</a><a class="headerlink" href="#create-a-project" title="Permalink to this headline">¶</a></h2> |
| <p>Create a new project if you do not have an existing one. You can skip |
| this step and proceed to <a class="reference internal" href="#create-the-targets">Create the Targets</a> if you |
| already have a project created.</p> |
| <p>Run the following commands to create a new project:</p> |
| <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>mkdir<span class="w"> </span>~/dev |
| <span class="gp">$ </span><span class="nb">cd</span><span class="w"> </span>~/dev |
| <span class="gp">$ </span>newt<span class="w"> </span>new<span class="w"> </span>blinky-pinetime |
| <span class="go">Downloading project skeleton from apache/mynewt-blinky...</span> |
| <span class="go">Downloading repository mynewt-blinky</span> |
| <span class="go">Installing skeleton in blinky-pinetime...</span> |
| <span class="go">Project blinky-pinetime successfully created.</span> |
| <span class="gp">$ </span><span class="nb">cd</span><span class="w"> </span>blinky-pinetime |
| <span class="gp">$ </span>newt<span class="w"> </span>upgrade |
| <span class="go">newt upgrade</span> |
| <span class="go">Downloading repository mynewt-core (commit: master)</span> |
| <span class="go">Downloading repository mynewt-nimble (commit: master)</span> |
| <span class="go">Downloading repository mcuboot (commit: master)</span> |
| <span class="go">Making the following changes to the project:</span> |
| <span class="go"> install apache-mynewt-core (1.7.0)</span> |
| <span class="go"> install apache-mynewt-nimble (1.2.0)</span> |
| <span class="go"> install mcuboot (1.3.1)</span> |
| <span class="gp">$</span> |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="create-the-targets"> |
| <h2><a class="toc-backref" href="#id3">Create the Targets</a><a class="headerlink" href="#create-the-targets" title="Permalink to this headline">¶</a></h2> |
| <p>Create two targets for the PineTime - one for the bootloader and |
| one for the Blinky application.</p> |
| <p>Run the following <code class="docutils literal notranslate"><span class="pre">newt</span> <span class="pre">target</span></code> commands, from your project directory, |
| to create a bootloader target. We name the target <code class="docutils literal notranslate"><span class="pre">boot-pinetime</span></code>:</p> |
| <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>newt<span class="w"> </span>target<span class="w"> </span>create<span class="w"> </span>boot-pinetime |
| <span class="gp">$ </span>newt<span class="w"> </span>target<span class="w"> </span><span class="nb">set</span><span class="w"> </span>boot-pinetime<span class="w"> </span><span class="nv">app</span><span class="o">=</span>@mcuboot/boot/mynewt |
| <span class="hll"><span class="gp">$ </span>newt<span class="w"> </span>target<span class="w"> </span><span class="nb">set</span><span class="w"> </span>boot-pinetime<span class="w"> </span><span class="nv">bsp</span><span class="o">=</span>@apache-mynewt-core/hw/bsp/pinetime |
| </span><span class="gp">$ </span>newt<span class="w"> </span>target<span class="w"> </span><span class="nb">set</span><span class="w"> </span>boot-pinetime<span class="w"> </span><span class="nv">build_profile</span><span class="o">=</span>optimized |
| </pre></div> |
| </div> |
| <p>Run the following <code class="docutils literal notranslate"><span class="pre">newt</span> <span class="pre">target</span></code> commands to create a target for the |
| Blinky application. We name the target <code class="docutils literal notranslate"><span class="pre">blinky-pinetime</span></code>.</p> |
| <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>newt<span class="w"> </span>target<span class="w"> </span>create<span class="w"> </span>blinky-pinetime |
| <span class="gp">$ </span>newt<span class="w"> </span>target<span class="w"> </span><span class="nb">set</span><span class="w"> </span>blinky-pinetime<span class="w"> </span><span class="nv">app</span><span class="o">=</span>apps/blinky |
| <span class="hll"><span class="gp">$ </span>newt<span class="w"> </span>target<span class="w"> </span><span class="nb">set</span><span class="w"> </span>blinky-pinetime<span class="w"> </span><span class="nv">bsp</span><span class="o">=</span>@apache-mynewt-core/hw/bsp/pinetime |
| </span><span class="gp">$ </span>newt<span class="w"> </span>target<span class="w"> </span><span class="nb">set</span><span class="w"> </span>blinky-pinetime<span class="w"> </span><span class="nv">build_profile</span><span class="o">=</span>debug |
| </pre></div> |
| </div> |
| <p>You can run the <code class="docutils literal notranslate"><span class="pre">newt</span> <span class="pre">target</span> <span class="pre">show</span></code> command to verify the target |
| settings:</p> |
| <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>newt<span class="w"> </span>target<span class="w"> </span>show |
| <span class="go">targets/blinky-pinetime</span> |
| <span class="go"> app=apps/blinky</span> |
| <span class="go"> bsp=@apache-mynewt-core/hw/bsp/pinetime</span> |
| <span class="go"> build_profile=debug</span> |
| <span class="go">targets/boot-pinetime</span> |
| <span class="go"> app=@mcuboot/boot/mynewt</span> |
| <span class="go"> bsp=@apache-mynewt-core/hw/bsp/pinetime</span> |
| <span class="go"> build_profile=optimized</span> |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="build-the-target-executables"> |
| <h2><a class="toc-backref" href="#id4">Build the Target Executables</a><a class="headerlink" href="#build-the-target-executables" title="Permalink to this headline">¶</a></h2> |
| <p>Run the <code class="docutils literal notranslate"><span class="pre">newt</span> <span class="pre">build</span> <span class="pre">boot-pinetime</span></code> command to build the bootloader:</p> |
| <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>newt<span class="w"> </span>build<span class="w"> </span>boot-pinetime |
| <span class="go">Building target targets/boot-pinetime</span> |
| <span class="go">Compiling bin/targets/boot-pinetime/generated/src/boot-pinetime-sysflash.c</span> |
| <span class="go">Compiling bin/targets/boot-pinetime/generated/src/boot-pinetime-sysinit-app.c</span> |
| <span class="go">Compiling bin/targets/boot-pinetime/generated/src/boot-pinetime-sysdown-app.c</span> |
| <span class="go">Compiling repos/mcuboot/boot/bootutil/src/boot_record.c</span> |
| <span class="go">Compiling repos/mcuboot/boot/bootutil/src/caps.c</span> |
| |
| <span class="go"> ...</span> |
| |
| <span class="go">Archiving sys_sysinit.a</span> |
| <span class="go">Archiving util_mem.a</span> |
| <span class="go">Archiving util_rwlock.a</span> |
| <span class="go">Linking /tmp/blinky-pinetime/bin/targets/boot-pinetime/app/boot/mynewt/mynewt.elf</span> |
| <span class="go">Target successfully built: targets/boot-pinetime</span> |
| </pre></div> |
| </div> |
| <p>Run the <code class="docutils literal notranslate"><span class="pre">newt</span> <span class="pre">build</span> <span class="pre">blinky-pinetime</span></code> command to build the Blinky |
| application:</p> |
| <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>newt<span class="w"> </span>build<span class="w"> </span>blinky-pinetime |
| <span class="go">Building target targets/blinky-pinetime</span> |
| <span class="go">Compiling bin/targets/blinky-pinetime/generated/src/blinky-pinetime-sysinit-app.c</span> |
| <span class="go">Compiling bin/targets/blinky-pinetime/generated/src/blinky-pinetime-sysdown-app.c</span> |
| <span class="go">Compiling bin/targets/blinky-pinetime/generated/src/blinky-pinetime-sysflash.c</span> |
| <span class="go">Compiling repos/apache-mynewt-core/hw/bsp/pinetime/src/sbrk.c</span> |
| <span class="go">Compiling apps/blinky/src/main.c</span> |
| <span class="go">Assembling repos/apache-mynewt-core/hw/bsp/pinetime/src/arch/cortex_m4/gcc_startup_nrf52.s</span> |
| <span class="go">Compiling repos/apache-mynewt-core/hw/bsp/pinetime/src/hal_bsp.c</span> |
| |
| <span class="go"> ...</span> |
| |
| <span class="go">Archiving sys_sysinit.a</span> |
| <span class="go">Archiving util_mem.a</span> |
| <span class="go">Archiving util_rwlock.a</span> |
| <span class="go">Linking /tmp/blinky-pinetime/bin/targets/blinky-pinetime/app/apps/blinky/blinky.elf</span> |
| <span class="go">Target successfully built: targets/blinky-pinetime</span> |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="sign-and-create-the-blinky-application-image"> |
| <h2><a class="toc-backref" href="#id5">Sign and Create the Blinky Application Image</a><a class="headerlink" href="#sign-and-create-the-blinky-application-image" title="Permalink to this headline">¶</a></h2> |
| <p>Run the <code class="docutils literal notranslate"><span class="pre">newt</span> <span class="pre">create-image</span> <span class="pre">blinky-pinetime</span> <span class="pre">1.0.0</span></code> command to create and |
| sign the application image. You may assign an arbitrary version (e.g. |
| 1.0.0) to the image.</p> |
| <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>newt<span class="w"> </span>create-image<span class="w"> </span>blinky-pinetime<span class="w"> </span><span class="m">1</span>.0.0 |
| <span class="go">App image succesfully generated: ~/dev/blinky-pinetime/bin/targets/blinky-pinetime/app/apps/blinky/blinky.img</span> |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="connect-to-the-board"> |
| <h2><a class="toc-backref" href="#id6">Connect to the Board</a><a class="headerlink" href="#connect-to-the-board" title="Permalink to this headline">¶</a></h2> |
| <ul class="simple"> |
| <li><p>Connect a ST-LINK programmer via USB to your computer.</p></li> |
| <li><p>Connect the ST-LINK programmer to the SWD connectors of the PineTime. The |
| easiest way it to mount the PineTime on a cradle and let the programmer cable |
| rest on the contact pads. See <a class="reference external" href="https://wiki.pine64.org/index.php/PineTime#SWD_Pinout">PineTime wiki</a> |
| for the pinout.</p></li> |
| </ul> |
| </div> |
| <div class="section" id="load-the-bootloader-and-the-blinky-application-image"> |
| <h2><a class="toc-backref" href="#id7">Load the Bootloader and the Blinky Application Image</a><a class="headerlink" href="#load-the-bootloader-and-the-blinky-application-image" title="Permalink to this headline">¶</a></h2> |
| <p>Run the <code class="docutils literal notranslate"><span class="pre">newt</span> <span class="pre">load</span> <span class="pre">boot-pinetime</span></code> command to load the bootloader onto the |
| board:</p> |
| <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>newt<span class="w"> </span>load<span class="w"> </span>boot-pinetime |
| <span class="go">Loading bootloader</span> |
| <span class="gp">$</span> |
| </pre></div> |
| </div> |
| <p>Run the <code class="docutils literal notranslate"><span class="pre">newt</span> <span class="pre">load</span> <span class="pre">blinky-pinetime</span></code> command to load the Blinky |
| application image onto the board.</p> |
| <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$ </span>newt<span class="w"> </span>load<span class="w"> </span>blinky-pinetime |
| <span class="go">Loading app image into slot 1</span> |
| </pre></div> |
| </div> |
| <p>You should see the backlight of the screen board blink!</p> |
| <p>Note: The screen itself will stay black, this could make the blinking difficult to see.</p> |
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