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author | Ali Labbene <ali.labbene@st.com> | 2019-12-11 08:59:21 +0100 |
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committer | Ali Labbene <ali.labbene@st.com> | 2019-12-16 16:35:24 +0100 |
commit | 9f95ff5b6ba01db09552b84a0ab79607060a2666 (patch) | |
tree | 8a6e0dda832555c692307869aed49d07ee7facfe /Documentation/RTOS/html/group___c_m_s_i_s___r_t_o_s___signal_mgmt.html | |
parent | 76177aa280494bb36d7a0bcbda1078d4db717020 (diff) | |
download | st-cmsis-core-lowfat-9f95ff5b6ba01db09552b84a0ab79607060a2666.tar.gz st-cmsis-core-lowfat-9f95ff5b6ba01db09552b84a0ab79607060a2666.tar.bz2 st-cmsis-core-lowfat-9f95ff5b6ba01db09552b84a0ab79607060a2666.zip |
Official ARM version: v5.4.0
Add CMSIS V5.4.0, please refer to index.html available under \docs folder.
Note: content of \CMSIS\Core\Include has been copied under \Include to keep the same structure
used in existing projects, and thus avoid projects mass update
Note: the following components have been removed from ARM original delivery (as not used in ST packages)
- CMSIS_EW2018.pdf
- .gitattributes
- .gitignore
- \Device
- \CMSIS
- \CoreValidation
- \DAP
- \Documentation
- \DoxyGen
- \Driver
- \Pack
- \RTOS\CMSIS_RTOS_Tutorial.pdf
- \RTOS\RTX
- \RTOS\Template
- \RTOS2\RTX
- \Utilities
- All ARM/GCC projects files are deleted from \DSP, \RTOS and \RTOS2
Change-Id: Ia026c3f0f0d016627a4fb5a9032852c33d24b4d3
Diffstat (limited to 'Documentation/RTOS/html/group___c_m_s_i_s___r_t_o_s___signal_mgmt.html')
-rw-r--r-- | Documentation/RTOS/html/group___c_m_s_i_s___r_t_o_s___signal_mgmt.html | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/Documentation/RTOS/html/group___c_m_s_i_s___r_t_o_s___signal_mgmt.html b/Documentation/RTOS/html/group___c_m_s_i_s___r_t_o_s___signal_mgmt.html deleted file mode 100644 index 88524b9..0000000 --- a/Documentation/RTOS/html/group___c_m_s_i_s___r_t_o_s___signal_mgmt.html +++ /dev/null @@ -1,337 +0,0 @@ -<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> -<html xmlns="http://www.w3.org/1999/xhtml"> -<head> -<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> -<meta http-equiv="X-UA-Compatible" content="IE=9"/> -<title>Signal Events</title> -<title>CMSIS-RTOS: Signal Events</title> -<link href="tabs.css" rel="stylesheet" type="text/css"/> -<link href="cmsis.css" rel="stylesheet" type="text/css" /> -<script type="text/javascript" src="jquery.js"></script> -<script type="text/javascript" src="dynsections.js"></script> -<script type="text/javascript" src="printComponentTabs.js"></script> -<link href="navtree.css" rel="stylesheet" type="text/css"/> -<script type="text/javascript" src="resize.js"></script> -<script type="text/javascript" src="navtree.js"></script> -<script type="text/javascript"> - $(document).ready(initResizable); -</script> -<link href="stylsheetf" rel="stylesheet" type="text/css" /> -</head> -<body> -<div id="top"><!-- do not remove this div, it is closed by doxygen! --> -<div id="titlearea"> -<table cellspacing="0" cellpadding="0"> - <tbody> - <tr style="height: 46px;"> - <td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td> - <td style="padding-left: 0.5em;"> - <div id="projectname">CMSIS-RTOS -  <span id="projectnumber">Version 1.02</span> - </div> - <div id="projectbrief">CMSIS-RTOS API: Generic RTOS interface for Cortex-M processor-based devices.</div> - </td> - </tr> - </tbody> -</table> -</div> -<!-- end header part --> -<div id="CMSISnav" class="tabs1"> - <ul class="tablist"> - <script type="text/javascript"> - <!-- - writeComponentTabs.call(this); - //--> - </script> - </ul> -</div> -<!-- Generated by Doxygen 1.8.2 --> - <div id="navrow1" class="tabs"> - <ul class="tablist"> - <li><a href="index.html"><span>Main Page</span></a></li> - <li><a href="pages.html"><span>Usage and Description</span></a></li> - <li><a href="modules.html"><span>Reference</span></a></li> - </ul> - </div> -</div><!-- top --> -<div id="side-nav" class="ui-resizable side-nav-resizable"> - <div id="nav-tree"> - <div id="nav-tree-contents"> - <div id="nav-sync" class="sync"></div> - </div> - </div> - <div id="splitbar" style="-moz-user-select:none;" - class="ui-resizable-handle"> - </div> -</div> -<script type="text/javascript"> -$(document).ready(function(){initNavTree('group___c_m_s_i_s___r_t_o_s___signal_mgmt.html','');}); -</script> -<div id="doc-content"> -<div class="header"> - <div class="summary"> -<a href="#define-members">Macros</a> | -<a href="#func-members">Functions</a> </div> - <div class="headertitle"> -<div class="title">Signal Events</div> </div> -<div class="ingroups"><a class="el" href="group___c_m_s_i_s___r_t_o_s___inter_thread.html">Inter-Thread Communication and Resource Sharing</a></div></div><!--header--> -<div class="contents"> - -<p>Synchronize threads using signals. -<a href="#details">More...</a></p> -<table class="memberdecls"> -<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> -Macros</h2></td></tr> -<tr class="memitem:ga01edde265710d883b6e237d34a6ef4a6"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga01edde265710d883b6e237d34a6ef4a6">osFeature_Signals</a>   8</td></tr> -<tr class="memdesc:ga01edde265710d883b6e237d34a6ef4a6"><td class="mdescLeft"> </td><td class="mdescRight">maximum number of Signal Flags available per thread <a href="#ga01edde265710d883b6e237d34a6ef4a6"></a><br/></td></tr> -<tr class="separator:ga01edde265710d883b6e237d34a6ef4a6"><td class="memSeparator" colspan="2"> </td></tr> -</table><table class="memberdecls"> -<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> -Functions</h2></td></tr> -<tr class="memitem:ga3de2730654589d6c3559c4b9e2825553"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga3de2730654589d6c3559c4b9e2825553">osSignalSet</a> (<a class="el" href="cmsis__os_8h.html#adfeb153a84a81309e2d958268197617f">osThreadId</a> thread_id, int32_t signals)</td></tr> -<tr class="memdesc:ga3de2730654589d6c3559c4b9e2825553"><td class="mdescLeft"> </td><td class="mdescRight">Set the specified Signal Flags of an active thread. <a href="#ga3de2730654589d6c3559c4b9e2825553"></a><br/></td></tr> -<tr class="separator:ga3de2730654589d6c3559c4b9e2825553"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:ga87283a6ebc31ce9ed42baf3ea7e4eab6"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga87283a6ebc31ce9ed42baf3ea7e4eab6">osSignalClear</a> (<a class="el" href="cmsis__os_8h.html#adfeb153a84a81309e2d958268197617f">osThreadId</a> thread_id, int32_t signals)</td></tr> -<tr class="memdesc:ga87283a6ebc31ce9ed42baf3ea7e4eab6"><td class="mdescLeft"> </td><td class="mdescRight">Clear the specified Signal Flags of an active thread. <a href="#ga87283a6ebc31ce9ed42baf3ea7e4eab6"></a><br/></td></tr> -<tr class="separator:ga87283a6ebc31ce9ed42baf3ea7e4eab6"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:ga38860acda96df47da6923348d96fc4c9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___c_m_s_i_s___r_t_o_s___definitions.html#structos_event">osEvent</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga38860acda96df47da6923348d96fc4c9">osSignalWait</a> (int32_t signals, uint32_t millisec)</td></tr> -<tr class="memdesc:ga38860acda96df47da6923348d96fc4c9"><td class="mdescLeft"> </td><td class="mdescRight">Wait for one or more Signal Flags to become signaled for the current <b>RUNNING</b> thread. <a href="#ga38860acda96df47da6923348d96fc4c9"></a><br/></td></tr> -<tr class="separator:ga38860acda96df47da6923348d96fc4c9"><td class="memSeparator" colspan="2"> </td></tr> -</table> -<a name="details" id="details"></a><h2 class="groupheader">Description</h2> -<p>Signals are used to trigger execution states between threads. The signal management functions in CMSIS-RTOS allow you to control or wait for signal flags. Each thread has up to 31 assigned signal flags. The maximum number of signal flags is defined in the <a class="el" href="cmsis__os_8h.html">cmsis_os.h</a> file (<b>#define osFeature_Signals</b>).</p> -<p>A thread</p> -<ul> -<li>can wait for signals to be set (using <a class="el" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga38860acda96df47da6923348d96fc4c9">osSignalWait</a>). Using this function, it enters the <a class="el" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#ThreadStates">WAITING</a> state. The <a class="el" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga38860acda96df47da6923348d96fc4c9">osSignalWait</a> parameter <em>signals</em> defines the signals that are required to put the thread back into <b>READY</b> state.</li> -<li>may set one or more flags in any other given thread (using <a class="el" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga3de2730654589d6c3559c4b9e2825553">osSignalSet</a>).</li> -<li>may clear its own signals or the signals of other threads (using <a class="el" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga87283a6ebc31ce9ed42baf3ea7e4eab6">osSignalClear</a>).</li> -</ul> -<p>When a thread wakes up and resumes execution, its signal flags are automatically cleared.</p> -<h2>Working with Signals</h2> -<p>Here is a simple example that shows how two thread can communicate with each others using signals:</p> -<div class="image"> -<img src="simple_signal.png" alt="simple_signal.png"/> -<div class="caption"> -Simple signal event communication</div></div> -<p> The following steps are required to use signals:</p> -<ol type="1"> -<li>In the thread (for example thread ID <code>tid_thread1</code>) that is supposed to wait for a signal, call the wait function: <div class="fragment"><div class="line"><a class="code" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga38860acda96df47da6923348d96fc4c9" title="Wait for one or more Signal Flags to become signaled for the current RUNNING thread.">osSignalWait</a> (0x0001, <a class="code" href="cmsis__os_8h.html#a9eb9a7a797a42e4b55eb171ecc609ddb" title="Timeout value.">osWaitForever</a>); <span class="comment">// wait forever for the signal 0x0001</span></div> -</div><!-- fragment --></li> -<li>In another thread (or threads) that are supposed to wake the waiting thread up call: <div class="fragment"><div class="line"><a class="code" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga3de2730654589d6c3559c4b9e2825553" title="Set the specified Signal Flags of an active thread.">osSignalSet</a> (tid_thread1, 0x0001); <span class="comment">// set the signal 0x0001 for thread tid_thread1</span></div> -<div class="line"><a class="code" href="group___c_m_s_i_s___r_t_o_s___wait.html#ga02e19d5e723bfb06ba9324d625162255" title="Wait for Timeout (Time Delay).">osDelay</a> (1000); <span class="comment">// wait for 1 second</span></div> -</div><!-- fragment --> </li> -</ol> -<h2 class="groupheader">Macro Definition Documentation</h2> -<a class="anchor" id="ga01edde265710d883b6e237d34a6ef4a6"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">#define osFeature_Signals   8</td> - </tr> - </table> -</div><div class="memdoc"> -<p>The CMSIS-RTOS API may support a variable number of signal flags. This define specifies the number of signal flags available per thread. The maximum value is 32 signal flags per thread. </p> - -</div> -</div> -<h2 class="groupheader">Function Documentation</h2> -<a class="anchor" id="ga87283a6ebc31ce9ed42baf3ea7e4eab6"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">int32_t osSignalClear </td> - <td>(</td> - <td class="paramtype"><a class="el" href="cmsis__os_8h.html#adfeb153a84a81309e2d958268197617f">osThreadId</a> </td> - <td class="paramname"><em>thread_id</em>, </td> - </tr> - <tr> - <td class="paramkey"></td> - <td></td> - <td class="paramtype">int32_t </td> - <td class="paramname"><em>signals</em> </td> - </tr> - <tr> - <td></td> - <td>)</td> - <td></td><td></td> - </tr> - </table> -</div><div class="memdoc"> -<dl class="params"><dt>Parameters</dt><dd> - <table class="params"> - <tr><td class="paramdir">[in]</td><td class="paramname">thread_id</td><td>thread ID obtained by <a class="el" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gac59b5713cb083702dce759c73fd90dff">osThreadCreate</a> or <a class="el" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gab1df2a28925862ef8f9cf4e1c995c5a7">osThreadGetId</a>. </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">signals</td><td>specifies the signal flags of the thread that shall be cleared. </td></tr> - </table> - </dd> -</dl> -<dl class="section return"><dt>Returns</dt><dd>previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters or call from ISR. </dd></dl> -<dl class="section note"><dt>Note</dt><dd>MUST REMAIN UNCHANGED: <b>osSignalClear</b> shall be consistent in every CMSIS-RTOS.</dd></dl> -<p>Clear the signal flags of an active thread.</p> -<dl class="section note"><dt>Note</dt><dd>Cannot be called from <a class="el" href="_function_overview.html#CMSIS_RTOS_ISR_Calls">Interrupt Service Routines</a>.</dd></dl> -<p><b>Code Example</b> </p> -<div class="fragment"><div class="line"><span class="keywordtype">void</span> Thread_2 (<span class="keywordtype">void</span> <span class="keyword">const</span> *arg);</div> -<div class="line"></div> -<div class="line"><a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gaee93d929beb350f16e5cc7fa602e229f" title="Create a Thread Definition with function, priority, and stack requirements.">osThreadDef</a> (Thread_2, <a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#ga7f2b42f1983b9107775ec2a1c69a849aa914433934143a9ba767e59577c56e6c2" title="priority: high">osPriorityHigh</a>, 1, 0);</div> -<div class="line"> </div> -<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> EX_Signal_1 (<span class="keywordtype">void</span>) {</div> -<div class="line"> int32_t signals;</div> -<div class="line"> <a class="code" href="cmsis__os_8h.html#adfeb153a84a81309e2d958268197617f" title="Thread ID identifies the thread (pointer to a thread control block).">osThreadId</a> thread_id;</div> -<div class="line"> </div> -<div class="line"> thread_id = <a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gac59b5713cb083702dce759c73fd90dff" title="Create a thread and add it to Active Threads and set it to state READY.">osThreadCreate</a> (<a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gaf0c7c6b5e09f8be198312144b5c9e453" title="Access a Thread definition.">osThread</a>(Thread_2), NULL);</div> -<div class="line"> <span class="keywordflow">if</span> (thread_id == NULL) {</div> -<div class="line"> <span class="comment">// Failed to create a thread.</span></div> -<div class="line"> }</div> -<div class="line"> <span class="keywordflow">else</span> {</div> -<div class="line">f :</div> -<div class="line"> signals = <a class="code" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga87283a6ebc31ce9ed42baf3ea7e4eab6" title="Clear the specified Signal Flags of an active thread.">osSignalClear</a> (thread_id, 0x01);</div> -<div class="line"> }</div> -<div class="line">}</div> -</div><!-- fragment --> -</div> -</div> -<a class="anchor" id="ga3de2730654589d6c3559c4b9e2825553"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">int32_t osSignalSet </td> - <td>(</td> - <td class="paramtype"><a class="el" href="cmsis__os_8h.html#adfeb153a84a81309e2d958268197617f">osThreadId</a> </td> - <td class="paramname"><em>thread_id</em>, </td> - </tr> - <tr> - <td class="paramkey"></td> - <td></td> - <td class="paramtype">int32_t </td> - <td class="paramname"><em>signals</em> </td> - </tr> - <tr> - <td></td> - <td>)</td> - <td></td><td></td> - </tr> - </table> -</div><div class="memdoc"> -<dl class="params"><dt>Parameters</dt><dd> - <table class="params"> - <tr><td class="paramdir">[in]</td><td class="paramname">thread_id</td><td>thread ID obtained by <a class="el" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gac59b5713cb083702dce759c73fd90dff">osThreadCreate</a> or <a class="el" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gab1df2a28925862ef8f9cf4e1c995c5a7">osThreadGetId</a>. </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">signals</td><td>specifies the signal flags of the thread that should be set. </td></tr> - </table> - </dd> -</dl> -<dl class="section return"><dt>Returns</dt><dd>previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters. </dd></dl> -<dl class="section note"><dt>Note</dt><dd>MUST REMAIN UNCHANGED: <b>osSignalSet</b> shall be consistent in every CMSIS-RTOS.</dd></dl> -<p>Set the signal flags of an active thread. This function may be used also within interrupt service routines.</p> -<dl class="section note"><dt>Note</dt><dd><a class="el" href="_function_overview.html#CMSIS_RTOS_ISR_Calls">Interrupt Service Routines</a> can call this function.</dd></dl> -<p><b>Code Example</b> </p> -<div class="fragment"><div class="line"><span class="keywordtype">void</span> Thread_2 (<span class="keywordtype">void</span> <span class="keyword">const</span> *arg);</div> -<div class="line"> </div> -<div class="line"><a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gaee93d929beb350f16e5cc7fa602e229f" title="Create a Thread Definition with function, priority, and stack requirements.">osThreadDef</a> (Thread_2, <a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#ga7f2b42f1983b9107775ec2a1c69a849aa914433934143a9ba767e59577c56e6c2" title="priority: high">osPriorityHigh</a>, 1, 0);</div> -<div class="line"> </div> -<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> EX_Signal_1 (<span class="keywordtype">void</span>) {</div> -<div class="line"> int32_t signals;</div> -<div class="line"> uint32_t exec;</div> -<div class="line"> <a class="code" href="cmsis__os_8h.html#adfeb153a84a81309e2d958268197617f" title="Thread ID identifies the thread (pointer to a thread control block).">osThreadId</a> thread_id;</div> -<div class="line"> </div> -<div class="line"> thread_id = <a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gac59b5713cb083702dce759c73fd90dff" title="Create a thread and add it to Active Threads and set it to state READY.">osThreadCreate</a> (<a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gaf0c7c6b5e09f8be198312144b5c9e453" title="Access a Thread definition.">osThread</a>(Thread_2), NULL);</div> -<div class="line"> <span class="keywordflow">if</span> (thread_id == NULL) {</div> -<div class="line"> <span class="comment">// Failed to create a thread.</span></div> -<div class="line"> }</div> -<div class="line"> <span class="keywordflow">else</span> {</div> -<div class="line"> signals = <a class="code" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga3de2730654589d6c3559c4b9e2825553" title="Set the specified Signal Flags of an active thread.">osSignalSet</a> (thread_id, 0x00000005); <span class="comment">// Send signals to the created thread</span></div> -<div class="line"> }</div> -<div class="line">}</div> -</div><!-- fragment --> -</div> -</div> -<a class="anchor" id="ga38860acda96df47da6923348d96fc4c9"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname"><a class="el" href="group___c_m_s_i_s___r_t_o_s___definitions.html#structos_event">osEvent</a> osSignalWait </td> - <td>(</td> - <td class="paramtype">int32_t </td> - <td class="paramname"><em>signals</em>, </td> - </tr> - <tr> - <td class="paramkey"></td> - <td></td> - <td class="paramtype">uint32_t </td> - <td class="paramname"><em>millisec</em> </td> - </tr> - <tr> - <td></td> - <td>)</td> - <td></td><td></td> - </tr> - </table> -</div><div class="memdoc"> -<dl class="params"><dt>Parameters</dt><dd> - <table class="params"> - <tr><td class="paramdir">[in]</td><td class="paramname">signals</td><td>wait until all specified signal flags set or 0 for any single signal flag. </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">millisec</td><td><a class="el" href="_function_overview.html#CMSIS_RTOS_TimeOutValue">Timout Value</a> or 0 in case of no time-out. </td></tr> - </table> - </dd> -</dl> -<dl class="section return"><dt>Returns</dt><dd>event flag information or error code. </dd></dl> -<dl class="section note"><dt>Note</dt><dd>MUST REMAIN UNCHANGED: <b>osSignalWait</b> shall be consistent in every CMSIS-RTOS.</dd></dl> -<p>Suspend the execution of the current <b>RUNNING</b> thread until all specified signal flags with the parameter <em>signals</em> are set. When the parameter <em>signals</em> is 0 the current <b>RUNNING</b> thread is suspended until any signal is set. When these signal flags are already set, the function returns instantly. Otherwise the thread is put into the state <b>WAITING</b>. Signal flags that are reported as event are automatically cleared.</p> -<p>The argument <em>millisec</em> specifies how long the system waits for the specified signal flags. While the system waits the tread calling this function is put into the state <b>WAITING</b>. The timeout value can have the following values:</p> -<ul> -<li>when <em>millisec</em> is 0, the function returns instantly.</li> -<li>when <em>millisec</em> is set to <b>osWaitForever</b> the function will wait for an infinite time until a specified signal is set.</li> -<li>all other values specify a time in millisecond for a timeout.</li> -</ul> -<p><b><a class="el" href="group___c_m_s_i_s___r_t_o_s___status.html">Status and Error Codes</a></b><br/> -</p> -<ul> -<li><em>osOK:</em> no signal received when the timeout value <em>millisec</em> was 0.</li> -<li><em>osEventTimeout:</em> signal not occurred within timeout</li> -<li><em>osEventSignal:</em> signal occurred, <em>value.signals</em> contains the signal flags; these signal flags are cleared.</li> -<li><em>osErrorValue:</em> the value <em>signals</em> is outside of the permitted range.</li> -<li><em>osErrorISR:</em> <a class="el" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga38860acda96df47da6923348d96fc4c9">osSignalWait</a> cannot be called from interrupt service routines.</li> -</ul> -<dl class="section note"><dt>Note</dt><dd>Cannot be called from <a class="el" href="_function_overview.html#CMSIS_RTOS_ISR_Calls">Interrupt Service Routines</a>.</dd></dl> -<p><b>Code Example</b> </p> -<div class="fragment"><div class="line"><span class="keywordtype">void</span> Thread_2 (<span class="keywordtype">void</span> <span class="keyword">const</span> *arg);</div> -<div class="line"> </div> -<div class="line"><a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gaee93d929beb350f16e5cc7fa602e229f" title="Create a Thread Definition with function, priority, and stack requirements.">osThreadDef</a> (Thread_2, <a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#ga7f2b42f1983b9107775ec2a1c69a849aa914433934143a9ba767e59577c56e6c2" title="priority: high">osPriorityHigh</a>, 1, 0);</div> -<div class="line"> </div> -<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> EX_Signal_1 (<span class="keywordtype">void</span>) {</div> -<div class="line"> <a class="code" href="cmsis__os_8h.html#adfeb153a84a81309e2d958268197617f" title="Thread ID identifies the thread (pointer to a thread control block).">osThreadId</a> thread_id;</div> -<div class="line"> <a class="code" href="group___c_m_s_i_s___r_t_o_s___definitions.html#structos_event" title="Event structure contains detailed information about an event.">osEvent</a> evt;</div> -<div class="line"> </div> -<div class="line"> thread_id = <a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gac59b5713cb083702dce759c73fd90dff" title="Create a thread and add it to Active Threads and set it to state READY.">osThreadCreate</a> (<a class="code" href="group___c_m_s_i_s___r_t_o_s___thread_mgmt.html#gaf0c7c6b5e09f8be198312144b5c9e453" title="Access a Thread definition.">osThread</a>(Thread_2), NULL);</div> -<div class="line"> <span class="keywordflow">if</span> (thread_id == NULL) {</div> -<div class="line"> <span class="comment">// Failed to create a thread.</span></div> -<div class="line"> }</div> -<div class="line"> <span class="keywordflow">else</span> {</div> -<div class="line"> :</div> -<div class="line"> <span class="comment">// wait for a signal</span></div> -<div class="line"> evt = <a class="code" href="group___c_m_s_i_s___r_t_o_s___signal_mgmt.html#ga38860acda96df47da6923348d96fc4c9" title="Wait for one or more Signal Flags to become signaled for the current RUNNING thread.">osSignalWait</a> (0x01, 100);</div> -<div class="line"> <span class="keywordflow">if</span> (evt.<a class="code" href="group___c_m_s_i_s___r_t_o_s___definitions.html#ad477a289f1f03ac45407b64268d707d3" title="status code: event or error information">status</a> == <a class="code" href="group___c_m_s_i_s___r_t_o_s___status.html#gae2e091fefc4c767117727bd5aba4d99ea5df7e9643aa8a2f5f3a6f6ec59758518" title="function completed; signal event occurred.">osEventSignal</a>) {</div> -<div class="line"> <span class="comment">// handle event status</span></div> -<div class="line"> }</div> -<div class="line"> }</div> -<div class="line">}</div> -</div><!-- fragment --> -</div> -</div> -</div><!-- contents --> -</div><!-- doc-content --> -<!-- start footer part --> -<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> - <ul> - <li class="footer">Generated on Tue Oct 27 2015 14:35:43 for CMSIS-RTOS by ARM Ltd. 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