| |
| |
| <!DOCTYPE html> |
| <html lang="en"> |
| <head> |
| <meta charset="utf-8"> |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| |
| |
| |
| |
| <title>System — Apache Mynewt latest documentation</title> |
| |
| |
| |
| |
| <link rel="shortcut icon" href="../../../../_static/mynewt-logo-only-newt32x32.png"/> |
| |
| |
| |
| |
| <link rel="stylesheet" href="../../../../_static/css/theme.css" type="text/css" /> |
| |
| |
| <link rel="stylesheet" href="../../../../_static/css/sphinx_theme.css" type="text/css" /> |
| |
| <link rel="stylesheet" href="../../../../_static/css/bootstrap-3.0.3.min.css" type="text/css" /> |
| |
| <link rel="stylesheet" href="../../../../_static/css/v2.css" type="text/css" /> |
| |
| <link rel="stylesheet" href="../../../../_static/css/custom.css" type="text/css" /> |
| |
| <link rel="stylesheet" href="../../../../_static/css/restructuredtext.css" type="text/css" /> |
| |
| |
| |
| |
| <link rel="stylesheet" href="../../../../_static/css/overrides.css" type="text/css" /> |
| <link rel="index" title="Index" |
| href="../../../../genindex.html"/> |
| <link rel="search" title="Search" href="../../../../search.html"/> |
| <link rel="top" title="Apache Mynewt latest documentation" href="../../../../index.html"/> |
| <link rel="up" title="Hardware Abstraction Layer" href="../hal.html"/> |
| <link rel="next" title="Watchdog" href="../hal_watchdog/hal_watchdog.html"/> |
| <link rel="prev" title="hal_flash_int" href="../hal_flash/hal_flash_int.html"/> |
| |
| |
| <script src="../../../../_static/js/modernizr.min.js"></script> |
| |
| |
| <script> |
| (function(i, s, o, g, r, a, m) { |
| i["GoogleAnalyticsObject"] = r; |
| (i[r] = |
| i[r] || |
| function() { |
| (i[r].q = i[r].q || []).push(arguments); |
| }), |
| (i[r].l = 1 * new Date()); |
| (a = s.createElement(o)), (m = s.getElementsByTagName(o)[0]); |
| a.async = 1; |
| a.src = g; |
| m.parentNode.insertBefore(a, m); |
| })(window, document, "script", "//www.google-analytics.com/analytics.js", "ga"); |
| |
| ga("create", "UA-72162311-1", "auto"); |
| ga("send", "pageview"); |
| </script> |
| |
| |
| </head> |
| |
| <body class="not-front page-documentation" role="document" > |
| <div id="wrapper"> |
| <div class="container"> |
| <div id="banner" class="row v2-main-banner"> |
| <a class="logo-cell" href="/"> |
| <img class="logo" src="../../../../_static/img/logo.png"> |
| </a> |
| <div class="tagline-cell"> |
| <h4 class="tagline">An OS to build, deploy and securely manage billions of devices</h4> |
| </div> |
| <div class="news-cell"> |
| <div class="well"> |
| <h4>Latest News:</h4> <a href="/download">Apache Mynewt 1.11.0, Apache NimBLE 1.6.0 </a> released September 7, 2023) |
| </div> |
| </div> |
| </div> |
| </div> |
| |
| <header> |
| <nav id="navbar" class="navbar navbar-inverse" role="navigation"> |
| <div class="container"> |
| <!-- Collapsed navigation --> |
| <div class="navbar-header"> |
| <!-- Expander button --> |
| <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse"> |
| <span class="sr-only">Toggle navigation</span> |
| <span class="icon-bar"></span> |
| <span class="icon-bar"></span> |
| <span class="icon-bar"></span> |
| </button> |
| |
| </div> |
| |
| <!-- Expanded navigation --> |
| <div class="navbar-collapse collapse"> |
| <!-- Main navigation --> |
| <ul class="nav navbar-nav navbar-right"> |
| <li> |
| <a href="/"><i class="fa fa-home" style="font-size: larger;"></i></a> |
| </li> |
| <li class="important"> |
| <a href="/quick-start/">Quick Start</a> |
| </li> |
| <li> |
| <a href="/about/">About</a> |
| </li> |
| <li> |
| <a href="/talks/">Talks</a> |
| </li> |
| <li class="active"> |
| <a href="/documentation/">Documentation</a> |
| </li> |
| <li> |
| <a href="/download/">Download</a> |
| </li> |
| <li> |
| <a href="/community/">Community</a> |
| </li> |
| <li> |
| <a href="/events/">Events</a> |
| </li> |
| </ul> |
| |
| <!-- Search, Navigation and Repo links --> |
| <ul class="nav navbar-nav navbar-right"> |
| |
| </ul> |
| </div> |
| </div> |
| </nav> |
| </header> |
| <!-- STARTS MAIN CONTENT --> |
| <div id="main-content"> |
| |
| |
| |
| |
| |
| |
| <div id="breadcrumb"> |
| <div class="container"> |
| <a href="/documentation/">Docs</a> / |
| |
| <a href="../../../os_user_guide.html">OS User Guide</a> / |
| |
| <a href="../hal.html">Hardware Abstraction Layer</a> / |
| |
| System |
| |
| <div class="sourcelink"> |
| <a href="https://github.com/apache/mynewt-core/edit/master/docs/os/modules/hal/hal_system/hal_sys.rst" class="icon icon-github" |
| rel="nofollow"> Edit on GitHub</a> |
| </div> |
| </div> |
| </div> |
| <!-- STARTS CONTAINER --> |
| <div class="container"> |
| <!-- STARTS .content --> |
| <div id="content" class="row"> |
| |
| <!-- STARTS .container-sidebar --> |
| <div class="container-sidebar col-xs-12 col-sm-3"> |
| <div id="docSidebar" class="sticky-container"> |
| <div role="search" class="sphinx-search"> |
| <form id="rtd-search-form" class="wy-form" action="../../../../search.html" method="get"> |
| <input type="text" name="q" placeholder="Search documentation" class="search-documentation" /> |
| <input type="hidden" name="check_keywords" value="yes" /> |
| <input type="hidden" name="area" value="default" /> |
| </form> |
| </div> |
| <!-- Note: only works when deployed --> |
| <select class="form-control" onchange="if (this.value) window.location.href=this.value"> |
| <option value="/latest" selected> |
| Version: latest |
| </option> |
| <option value="/v1_11_0" selected="selected" > |
| Version: 1.11.0 |
| </option> |
| <option value="/v1_10_0" > |
| Version: 1.10.0 |
| </option> |
| <option value="/v1_9_0" > |
| Version: 1.9.0 |
| </option> |
| <option value="/v1_8_0" > |
| Version: 1.8.0 |
| </option> |
| <option value="/v1_7_0" > |
| Version: 1.7.0 |
| </option> |
| <option value="/v1_6_0" > |
| Version: 1.6.0 |
| </option> |
| <option value="/v1_5_0" > |
| Version: 1.5.0 |
| </option> |
| <option value="/v1_4_0" > |
| Version: 1.4.0 |
| </option> |
| <option value="/v1_3_0/os/introduction" > |
| Version: 1.3.0 |
| </option> |
| <option value="/v1_2_0/os/introduction" > |
| Version: 1.2.0 |
| </option> |
| <option value="/v1_1_0/os/introduction" > |
| Version: 1.1.0 |
| </option> |
| <option value="/v1_0_0/os/introduction" > |
| Version: 1.0.0 |
| </option> |
| <option value="/v0_9_0/os/introduction" > |
| Version: 0.9.0 |
| </option> |
| </select> |
| <div class="region region-sidebar"> |
| <div class="docs-menu"> |
| |
| |
| |
| <ul class="current"> |
| <li class="toctree-l1"><a class="reference internal" href="../../../../index.html">Introduction</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../../../get_started/index.html">Setup & Get Started</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../../../concepts.html">Concepts</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../../../tutorials/tutorials.html">Tutorials</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../../../external_links.html">Third-party Resources</a></li> |
| <li class="toctree-l1 current"><a class="reference internal" href="../../../os_user_guide.html">OS User Guide</a><ul class="current"> |
| <li class="toctree-l2"><a class="reference internal" href="../../../core_os/mynewt_os.html">Kernel</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../system_modules.html">System</a></li> |
| <li class="toctree-l2 current"><a class="reference internal" href="../hal.html">Hardware Abstraction</a><ul class="current"> |
| <li class="toctree-l3"><a class="reference internal" href="../hal_timer/hal_timer.html">Timer</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="../hal_gpio/hal_gpio.html">GPIO</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="../hal_uart/hal_uart.html">UART</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="../hal_spi/hal_spi.html">SPI</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="../hal_i2c/hal_i2c.html">I2C</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="../hal_flash/hal_flash.html">Flash</a></li> |
| <li class="toctree-l3 current"><a class="current reference internal" href="#">System</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="../hal_watchdog/hal_watchdog.html">Watchdog</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="../hal_bsp/hal_bsp.html">BSP</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="../hal_os_tick/hal_os_tick.html">OS Tick</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="../hal_creation.html">Creating New HAL Interfaces</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="../hal_in_libraries.html">Using HAL in Your Libraries</a></li> |
| </ul> |
| </li> |
| <li class="toctree-l2"><a class="reference internal" href="../../bootloader/bootloader.html">Secure Bootloader</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../split/split.html">Split Images</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../../core_os/porting/port_os.html">Porting Guide</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../baselibc.html">Baselibc</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../drivers/driver.html">Drivers</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../devmgmt/newtmgr.html">Device Management with Newt Manager</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../mcumgr/mcumgr.html">Device Management with MCUmgr</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../imgmgr/imgmgr.html">Image Manager</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../sysinitconfig/sysinitconfig.html">Compile-Time Configuration</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../sysinitdown/sysinitdown.html">System Initialization and Shutdown</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../extcmd/extcmd.html">Build-Time Hooks</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../fs/fs.html">File System</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../fcb/fcb.html">Flash Circular Buffer</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../sensor_framework/sensor_framework.html">Sensor Framework</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../testutil/testutil.html">Test Utilities</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../json/json.html">JSON</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../mfg/mfg.html">Manufacturing support</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../../../bsp/index.html">Board support</a></li> |
| </ul> |
| </li> |
| <li class="toctree-l1"><a class="reference internal" href="../../../../network/index.html">BLE User Guide</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../../../newt/index.html">Newt Tool Guide</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../../../newtmgr/index.html">Newt Manager Guide</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../../../mynewt_faq/index.html">Mynewt FAQ</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../../../misc/index.html">Appendix</a></li> |
| </ul> |
| |
| |
| |
| </div> |
| </div> |
| </div> |
| <!-- ENDS STICKY CONTAINER --> |
| </div> |
| <!-- ENDS .container-sidebar --> |
| |
| <div class="col-xs-12 col-sm-9"> |
| |
| <div class="alert alert-warning"> |
| <p> |
| Version 1.11.0 is not the most recent version of the |
| Apache Mynewt documentation. Click <a href="/latest">here</a> to |
| read the latest version. |
| </p> |
| </div> |
| |
| |
| |
| <div class=""> |
| <div class="rst-content"> |
| <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> |
| <div itemprop="articleBody"> |
| |
| <div class="section" id="system"> |
| <h1>System<a class="headerlink" href="#system" title="Permalink to this headline">¶</a></h1> |
| <p>A hardware independent interface for starting and resetting the system.</p> |
| <div class="section" id="description"> |
| <h2>Description<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2> |
| <p>The API allows the user to detect whether a debugger is connected, |
| sissue a soft reset, and enumerate the reset causes. The functions are |
| implemented in the MCU specific directories e.g. <code class="docutils literal notranslate"><span class="pre">hal_reset_cause.c</span></code>, |
| <code class="docutils literal notranslate"><span class="pre">hal_system.c</span></code>, and <code class="docutils literal notranslate"><span class="pre">hal_system_start.c</span></code> in |
| <code class="docutils literal notranslate"><span class="pre">/hw/mcu/nordic/nrf52xxx/src/</span></code> directory for Nordic nRF52 series of |
| chips.</p> |
| </div> |
| <div class="section" id="api"> |
| <h2>API<a class="headerlink" href="#api" title="Permalink to this headline">¶</a></h2> |
| <dl class="c enum"> |
| <dt id="c.hal_reset_reason"> |
| <span class="target" id="group___h_a_l_system_1ga09b5ea025a6a638b45a7276b1e572924"></span><em class="property"><span class="pre">enum</span> </em><code class="sig-name descname"><span class="pre">hal_reset_reason</span></code><a class="headerlink" href="#c.hal_reset_reason" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Reboot reason. </p> |
| <p><em>Values:</em></p> |
| <dl class="c enumerator"> |
| <dt id="c.hal_reset_reason.HAL_RESET_POR"> |
| <span class="target" id="group___h_a_l_system_1gga09b5ea025a6a638b45a7276b1e572924a0f0d1b68f623da5384b142a5ffef142a"></span><em class="property"><span class="pre">enumerator</span> </em><code class="sig-name descname"><span class="pre">HAL_RESET_POR</span></code><a class="headerlink" href="#c.hal_reset_reason.HAL_RESET_POR" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Power on Reset. </p> |
| </dd></dl> |
| |
| <dl class="c enumerator"> |
| <dt id="c.hal_reset_reason.HAL_RESET_PIN"> |
| <span class="target" id="group___h_a_l_system_1gga09b5ea025a6a638b45a7276b1e572924a8d2581c07d1dfde7244d5b09ecfdd1ce"></span><em class="property"><span class="pre">enumerator</span> </em><code class="sig-name descname"><span class="pre">HAL_RESET_PIN</span></code><a class="headerlink" href="#c.hal_reset_reason.HAL_RESET_PIN" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Caused by Reset Pin. </p> |
| </dd></dl> |
| |
| <dl class="c enumerator"> |
| <dt id="c.hal_reset_reason.HAL_RESET_WATCHDOG"> |
| <span class="target" id="group___h_a_l_system_1gga09b5ea025a6a638b45a7276b1e572924a69a2e98907a3824bd58513a162940a84"></span><em class="property"><span class="pre">enumerator</span> </em><code class="sig-name descname"><span class="pre">HAL_RESET_WATCHDOG</span></code><a class="headerlink" href="#c.hal_reset_reason.HAL_RESET_WATCHDOG" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Caused by Watchdog. </p> |
| </dd></dl> |
| |
| <dl class="c enumerator"> |
| <dt id="c.hal_reset_reason.HAL_RESET_SOFT"> |
| <span class="target" id="group___h_a_l_system_1gga09b5ea025a6a638b45a7276b1e572924abb5acfff3c2b181ad87a781918ca5526"></span><em class="property"><span class="pre">enumerator</span> </em><code class="sig-name descname"><span class="pre">HAL_RESET_SOFT</span></code><a class="headerlink" href="#c.hal_reset_reason.HAL_RESET_SOFT" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Soft reset, either system reset or crash. </p> |
| </dd></dl> |
| |
| <dl class="c enumerator"> |
| <dt id="c.hal_reset_reason.HAL_RESET_BROWNOUT"> |
| <span class="target" id="group___h_a_l_system_1gga09b5ea025a6a638b45a7276b1e572924a54dd29c8d0eb2b272bde3294a2e48a3c"></span><em class="property"><span class="pre">enumerator</span> </em><code class="sig-name descname"><span class="pre">HAL_RESET_BROWNOUT</span></code><a class="headerlink" href="#c.hal_reset_reason.HAL_RESET_BROWNOUT" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Low supply voltage. </p> |
| </dd></dl> |
| |
| <dl class="c enumerator"> |
| <dt id="c.hal_reset_reason.HAL_RESET_REQUESTED"> |
| <span class="target" id="group___h_a_l_system_1gga09b5ea025a6a638b45a7276b1e572924abf3b4b4329a9afc456c43f9ceb227dd3"></span><em class="property"><span class="pre">enumerator</span> </em><code class="sig-name descname"><span class="pre">HAL_RESET_REQUESTED</span></code><a class="headerlink" href="#c.hal_reset_reason.HAL_RESET_REQUESTED" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Restart due to user request. </p> |
| </dd></dl> |
| |
| <dl class="c enumerator"> |
| <dt id="c.hal_reset_reason.HAL_RESET_SYS_OFF_INT"> |
| <span class="target" id="group___h_a_l_system_1gga09b5ea025a6a638b45a7276b1e572924ae0db49386dd85a656183ade38b5a12a9"></span><em class="property"><span class="pre">enumerator</span> </em><code class="sig-name descname"><span class="pre">HAL_RESET_SYS_OFF_INT</span></code><a class="headerlink" href="#c.hal_reset_reason.HAL_RESET_SYS_OFF_INT" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>System Off, wakeup on external interrupt. </p> |
| </dd></dl> |
| |
| <dl class="c enumerator"> |
| <dt id="c.hal_reset_reason.HAL_RESET_DFU"> |
| <span class="target" id="group___h_a_l_system_1gga09b5ea025a6a638b45a7276b1e572924ac10c0a17643bf69c79cff80b33b644d8"></span><em class="property"><span class="pre">enumerator</span> </em><code class="sig-name descname"><span class="pre">HAL_RESET_DFU</span></code><a class="headerlink" href="#c.hal_reset_reason.HAL_RESET_DFU" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Restart due to DFU. </p> |
| </dd></dl> |
| |
| <dl class="c enumerator"> |
| <dt id="c.hal_reset_reason.HAL_RESET_OTHER"> |
| <span class="target" id="group___h_a_l_system_1gga09b5ea025a6a638b45a7276b1e572924a7c1b6821f010c4d9f2f74465a246fb51"></span><em class="property"><span class="pre">enumerator</span> </em><code class="sig-name descname"><span class="pre">HAL_RESET_OTHER</span></code><a class="headerlink" href="#c.hal_reset_reason.HAL_RESET_OTHER" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Restart reason other. </p> |
| </dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt> |
| <span class="target" id="group___h_a_l_system_1ga298b06e8955f8c64886e851dffe2dd96"></span><code class="sig-name descname"><span class="pre">void</span> <span class="pre">hal_system_reset</span> <span class="pre">(void)</span> <span class="pre">__attribute((noreturn))</span></code></dt> |
| <dd><p>System reset. </p> |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt> |
| <span class="target" id="group___h_a_l_system_1ga0edf69888576dcebf13be54592322286"></span><code class="sig-name descname"><span class="pre">void</span> <span class="pre">hal_system_start</span> <span class="pre">(void</span> <span class="pre">*img_start)</span> <span class="pre">__attribute((noreturn))</span></code></dt> |
| <dd><p>Called by bootloader to start loaded program. </p> |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt> |
| <span class="target" id="group___h_a_l_system_1ga98fc967d38f29dd2c1388ccdf13f0fe5"></span><code class="sig-name descname"><span class="pre">void</span> <span class="pre">hal_system_restart</span> <span class="pre">(void</span> <span class="pre">*img_start)</span> <span class="pre">__attribute((noreturn))</span></code></dt> |
| <dd><p>Called by split app loader to start the app program. </p> |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.hal_debugger_connected"> |
| <span class="target" id="group___h_a_l_system_1gad043ab91f977ec307638f6ecc309dfdb"></span><span class="pre">int</span> <code class="sig-name descname"><span class="pre">hal_debugger_connected</span></code><span class="sig-paren">(</span><span class="pre">void</span><span class="sig-paren">)</span><a class="headerlink" href="#c.hal_debugger_connected" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Returns non-zero if there is a HW debugger attached. </p> |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.hal_reset_cause"> |
| <span class="target" id="group___h_a_l_system_1gaa5c34b0ed27b5b987eac78702c671854"></span><em class="property"><span class="pre">enum</span></em> <a class="reference internal" href="#c.hal_reset_reason" title="hal_reset_reason"><span class="pre">hal_reset_reason</span></a> <code class="sig-name descname"><span class="pre">hal_reset_cause</span></code><span class="sig-paren">(</span><span class="pre">void</span><span class="sig-paren">)</span><a class="headerlink" href="#c.hal_reset_cause" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Return the reboot reason. </p> |
| <p><dl class="simple"> |
| <dt><strong>Return</strong></dt><dd><p>A reboot reason </p> |
| </dd> |
| </dl> |
| </p> |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.hal_reset_cause_str"> |
| <span class="target" id="group___h_a_l_system_1ga3a5baa89a77180b7b72185134e3c2cf1"></span><em class="property"><span class="pre">const</span></em> <span class="pre">char</span> <span class="pre">*</span><code class="sig-name descname"><span class="pre">hal_reset_cause_str</span></code><span class="sig-paren">(</span><span class="pre">void</span><span class="sig-paren">)</span><a class="headerlink" href="#c.hal_reset_cause_str" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Return the reboot reason as a string. </p> |
| <p><dl class="simple"> |
| <dt><strong>Return</strong></dt><dd><p>String describing previous reset reason </p> |
| </dd> |
| </dl> |
| </p> |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.hal_system_clock_start"> |
| <span class="target" id="group___h_a_l_system_1ga40d3f16e48773bf0c4cfa7b79b31b6f8"></span><span class="pre">void</span> <code class="sig-name descname"><span class="pre">hal_system_clock_start</span></code><span class="sig-paren">(</span><span class="pre">void</span><span class="sig-paren">)</span><a class="headerlink" href="#c.hal_system_clock_start" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Starts clocks needed by system. </p> |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.hal_system_reset_cb"> |
| <span class="target" id="group___h_a_l_system_1ga210966833f4ac91398f350456f80ee06"></span><span class="pre">void</span> <code class="sig-name descname"><span class="pre">hal_system_reset_cb</span></code><span class="sig-paren">(</span><span class="pre">void</span><span class="sig-paren">)</span><a class="headerlink" href="#c.hal_system_reset_cb" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Reset callback to be called before an reset happens inside <a class="reference internal" href="#group___h_a_l_system_1ga298b06e8955f8c64886e851dffe2dd96"><span class="std std-ref">hal_system_reset()</span></a> </p> |
| </dd></dl> |
| |
| </div> |
| </div> |
| |
| |
| </div> |
| </div> |
| |
| <div class="rst-footer-buttons row" role="navigation" aria-label="footer navigation"> |
| |
| <a href="../hal_watchdog/hal_watchdog.html" class="btn btn-neutral float-right" title="Watchdog" accesskey="n">Next: Watchdog <span class="fa fa-arrow-circle-right"></span></a> |
| |
| |
| <a href="../hal_flash/hal_flash_int.html" class="btn btn-neutral" title="hal_flash_int" accesskey="p"><span class="fa fa-arrow-circle-left"></span> Previous: hal_flash_int</a> |
| |
| </div> |
| |
| </div> |
| </div> |
| </div> |
| <!-- ENDS CONTENT SECTION --> |
| </div> |
| <!-- ENDS .content --> |
| </div> |
| </div> |
| <footer> |
| <div class="container"> |
| <div class="row"> |
| <div class="col-xs-12"> |
| |
| <p class="copyright">Apache Mynewt is available under Apache License, version 2.0.</p> |
| |
| </div> |
| <div class="col-xs-12"> |
| <div class="logos"> |
| <img src="../../../../_static/img/asf_logo_wide_small.png" alt="Apache" title="Apache"> |
| <small class="footnote"> |
| Apache Mynewt, Mynewt, Apache, the Apache feather logo, and the Apache Mynewt project logo are either |
| registered trademarks or trademarks of the Apache Software Foundation in the United States and other countries. |
| </small> |
| <a href=""> |
| <img src="../../../../_static/img/add_to_slack.png" alt="Slack Icon" title="Join our Slack Community" /> |
| </a> |
| </div> |
| </div> |
| </div> |
| </div> |
| </footer> |
| </div> |
| <!-- ENDS #wrapper --> |
| |
| |
| |
| <script type="text/javascript"> |
| var DOCUMENTATION_OPTIONS = { |
| URL_ROOT:'../../../../', |
| VERSION:'latest', |
| COLLAPSE_INDEX:false, |
| FILE_SUFFIX:'.html', |
| HAS_SOURCE: true, |
| SOURCELINK_SUFFIX: '.txt', |
| LINK_SUFFIX: '.html' |
| }; |
| </script> |
| <script type="text/javascript" src="../../../../_static/jquery.js"></script> |
| <script type="text/javascript" src="../../../../_static/underscore.js"></script> |
| <script type="text/javascript" src="../../../../_static/doctools.js"></script> |
| <script type="text/javascript" src="../../../../_static/js/bootstrap-3.0.3.min.js"></script> |
| <script type="text/javascript" src="../../../../_static/js/affix.js"></script> |
| <script type="text/javascript" src="../../../../_static/js/main.js"></script> |
| |
| |
| |
| </body> |
| </html> |