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| author | rihab kouki <rihab.kouki@st.com> | 2020-07-28 11:24:49 +0100 |
|---|---|---|
| committer | rihab kouki <rihab.kouki@st.com> | 2020-07-28 11:24:49 +0100 |
| commit | 96d6da4e252b06dcfdc041e7df23e86161c33007 (patch) | |
| tree | a262f59bb1db7ec7819acae435f5049cbe5e2354 /docs/RTOS2/html/group__CMSIS__RTOS__Message.html | |
| parent | 9f95ff5b6ba01db09552b84a0ab79607060a2666 (diff) | |
| download | st-cmsis-core-lowfat-master.tar.gz st-cmsis-core-lowfat-master.tar.bz2 st-cmsis-core-lowfat-master.zip | |
Diffstat (limited to 'docs/RTOS2/html/group__CMSIS__RTOS__Message.html')
| -rw-r--r-- | docs/RTOS2/html/group__CMSIS__RTOS__Message.html | 66 |
1 files changed, 35 insertions, 31 deletions
diff --git a/docs/RTOS2/html/group__CMSIS__RTOS__Message.html b/docs/RTOS2/html/group__CMSIS__RTOS__Message.html index 3684b6d..bfc5f42 100644 --- a/docs/RTOS2/html/group__CMSIS__RTOS__Message.html +++ b/docs/RTOS2/html/group__CMSIS__RTOS__Message.html @@ -362,67 +362,71 @@ size of provided memory for data storage <p>The size (in bytes) of memory block <li><em>osOK:</em> the message has been put into the queue.</li> <li><em>osErrorTimeout:</em> the message could not be put into the queue in the given time (wait-timed semantics).</li> <li><em>osErrorResource:</em> not enough space in the queue (try semantics).</li> -<li><em>osErrorParameter:</em> the parameter <em>mq_id</em> is incorrect, non-zero timeout specified in an ISR.</li> +<li><em>osErrorParameter:</em> parameter <em>mq_id</em> is <span class="XML-Token">NULL</span> or invalid, non-zero timeout specified in an ISR.</li> </ul> <dl class="section note"><dt>Note</dt><dd>May be called from <a class="el" href="theory_of_operation.html#CMSIS_RTOS_ISR_Calls">Interrupt Service Routines</a> if the parameter <em>timeout</em> is set to <span class="XML-Token">0</span>.</dd></dl> <p><b>Code Example:</b> </p> -<div class="fragment"><div class="line"><span class="preprocessor">#include "<a class="code" href="cmsis__os2_8h.html">cmsis_os2.h</a>"</span> <span class="comment">// CMSIS RTOS header file</span></div> +<div class="fragment"><div class="line"><span class="preprocessor">#include "<a class="code" href="cmsis__os2_8h.html">cmsis_os2.h</a>"</span> <span class="comment">// CMSIS RTOS header file</span></div> <div class="line"> </div> <div class="line"><span class="comment">/*----------------------------------------------------------------------------</span></div> <div class="line"><span class="comment"> * Message Queue creation & usage</span></div> <div class="line"><span class="comment"> *---------------------------------------------------------------------------*/</span></div> -<div class="line"> </div> -<div class="line"><span class="keywordtype">void</span> Thread_MsgQueue1 (<span class="keywordtype">void</span> *argument); <span class="comment">// thread function 1</span></div> -<div class="line"><span class="keywordtype">void</span> Thread_MsgQueue2 (<span class="keywordtype">void</span> *argument); <span class="comment">// thread function 2</span></div> -<div class="line"><a class="code" href="group__CMSIS__RTOS__ThreadMgmt.html#gaa6c32fe2a3e0a2e01f212d55b02e51c7">osThreadId_t</a> tid_Thread_MsgQueue1; <span class="comment">// thread id 1</span></div> -<div class="line"><a class="code" href="group__CMSIS__RTOS__ThreadMgmt.html#gaa6c32fe2a3e0a2e01f212d55b02e51c7">osThreadId_t</a> tid_Thread_MsgQueue2; <span class="comment">// thread id 2</span></div> <div class="line"> </div> -<div class="line"><span class="preprocessor">#define MSGQUEUE_OBJECTS 16 // number of Message Queue Objects</span></div> +<div class="line"><span class="preprocessor">#define MSGQUEUE_OBJECTS 16 // number of Message Queue Objects</span></div> <div class="line"><span class="preprocessor"></span> </div> -<div class="line"><span class="keyword">typedef</span> <span class="keyword">struct </span>{ <span class="comment">// object data type</span></div> +<div class="line"><span class="keyword">typedef</span> <span class="keyword">struct </span>{ <span class="comment">// object data type</span></div> <div class="line"> uint8_t Buf[32];</div> <div class="line"> uint8_t Idx;</div> <div class="line">} MSGQUEUE_OBJ_t;</div> <div class="line"> </div> -<div class="line"><a class="code" href="cmsis__os2_8h.html#a206dbc05367e03c39fc6d4d1ebcff317">osMessageQueueId_t</a> mid_MsgQueue; <span class="comment">// message queue id</span></div> +<div class="line"><a class="code" href="cmsis__os2_8h.html#a206dbc05367e03c39fc6d4d1ebcff317">osMessageQueueId_t</a> mid_MsgQueue; <span class="comment">// message queue id</span></div> +<div class="line"> </div> +<div class="line"><a class="code" href="group__CMSIS__RTOS__ThreadMgmt.html#gaa6c32fe2a3e0a2e01f212d55b02e51c7">osThreadId_t</a> tid_Thread_MsgQueue1; <span class="comment">// thread id 1</span></div> +<div class="line"><a class="code" href="group__CMSIS__RTOS__ThreadMgmt.html#gaa6c32fe2a3e0a2e01f212d55b02e51c7">osThreadId_t</a> tid_Thread_MsgQueue2; <span class="comment">// thread id 2</span></div> +<div class="line"> </div> +<div class="line"><span class="keywordtype">void</span> Thread_MsgQueue1 (<span class="keywordtype">void</span> *argument); <span class="comment">// thread function 1</span></div> +<div class="line"><span class="keywordtype">void</span> Thread_MsgQueue2 (<span class="keywordtype">void</span> *argument); <span class="comment">// thread function 2</span></div> <div class="line"> </div> <div class="line"><span class="keywordtype">int</span> Init_MsgQueue (<span class="keywordtype">void</span>) {</div> -<div class="line"> </div> +<div class="line"> </div> <div class="line"> mid_MsgQueue = <a class="code" href="group__CMSIS__RTOS__Message.html#ga24e895a00f9d484db33aaf784c57bfed">osMessageQueueNew</a>(MSGQUEUE_OBJECTS, <span class="keyword">sizeof</span>(MSGQUEUE_OBJ_t), NULL);</div> -<div class="line"> <span class="keywordflow">if</span> (!mid_MsgQueue) {</div> +<div class="line"> <span class="keywordflow">if</span> (mid_MsgQueue == NULL) {</div> <div class="line"> ; <span class="comment">// Message Queue object not created, handle failure</span></div> <div class="line"> }</div> -<div class="line"> </div> -<div class="line"> tid_Thread_MsgQueue1 = <a class="code" href="group__CMSIS__RTOS__ThreadMgmt.html#ga48d68b8666d99d28fa646ee1d2182b8f">osThreadNew</a> (Thread_MsgQueue1, NULL, NULL);</div> -<div class="line"> <span class="keywordflow">if</span> (!tid_Thread_MsgQueue1) <span class="keywordflow">return</span>(-1);</div> -<div class="line"> tid_Thread_MsgQueue2 = <a class="code" href="group__CMSIS__RTOS__ThreadMgmt.html#ga48d68b8666d99d28fa646ee1d2182b8f">osThreadNew</a> (Thread_MsgQueue2, NULL, NULL);</div> -<div class="line"> <span class="keywordflow">if</span> (!tid_Thread_MsgQueue2) <span class="keywordflow">return</span>(-1);</div> -<div class="line"> </div> +<div class="line"> </div> +<div class="line"> tid_Thread_MsgQueue1 = <a class="code" href="group__CMSIS__RTOS__ThreadMgmt.html#ga48d68b8666d99d28fa646ee1d2182b8f">osThreadNew</a>(Thread_MsgQueue1, NULL, NULL);</div> +<div class="line"> <span class="keywordflow">if</span> (tid_Thread_MsgQueue1 == NULL) {</div> +<div class="line"> <span class="keywordflow">return</span>(-1);</div> +<div class="line"> }</div> +<div class="line"> tid_Thread_MsgQueue2 = <a class="code" href="group__CMSIS__RTOS__ThreadMgmt.html#ga48d68b8666d99d28fa646ee1d2182b8f">osThreadNew</a>(Thread_MsgQueue2, NULL, NULL);</div> +<div class="line"> <span class="keywordflow">if</span> (tid_Thread_MsgQueue2 == NULL) {</div> +<div class="line"> <span class="keywordflow">return</span>(-1);</div> +<div class="line"> }</div> +<div class="line"> </div> <div class="line"> <span class="keywordflow">return</span>(0);</div> <div class="line">}</div> <div class="line"> </div> <div class="line"><span class="keywordtype">void</span> Thread_MsgQueue1 (<span class="keywordtype">void</span> *argument) {</div> <div class="line"> MSGQUEUE_OBJ_t msg;</div> -<div class="line"></div> +<div class="line"> </div> <div class="line"> <span class="keywordflow">while</span> (1) {</div> <div class="line"> ; <span class="comment">// Insert thread code here...</span></div> -<div class="line"> msg.Buf[0] = 0x55; <span class="comment">// do some work...</span></div> -<div class="line"> msg.Idx = 0;</div> -<div class="line"> <a class="code" href="group__CMSIS__RTOS__Message.html#gaa515fc8b956f721a8f72b2c505813bfc">osMessageQueuePut</a> (mid_MsgQueue, &msg, 0, NULL);</div> -<div class="line"> <a class="code" href="group__CMSIS__RTOS__ThreadMgmt.html#gad01c7ec26535b1de6b018bb9466720e2">osThreadYield</a> (); <span class="comment">// suspend thread</span></div> +<div class="line"> msg.Buf[0] = 0x55U; <span class="comment">// do some work...</span></div> +<div class="line"> msg.Idx = 0U;</div> +<div class="line"> <a class="code" href="group__CMSIS__RTOS__Message.html#gaa515fc8b956f721a8f72b2c505813bfc">osMessageQueuePut</a>(mid_MsgQueue, &msg, 0U, 0U);</div> +<div class="line"> <a class="code" href="group__CMSIS__RTOS__ThreadMgmt.html#gad01c7ec26535b1de6b018bb9466720e2">osThreadYield</a>(); <span class="comment">// suspend thread</span></div> <div class="line"> }</div> <div class="line">}</div> <div class="line"> </div> <div class="line"><span class="keywordtype">void</span> Thread_MsgQueue2 (<span class="keywordtype">void</span> *argument) {</div> -<div class="line"></div> <div class="line"> MSGQUEUE_OBJ_t msg;</div> <div class="line"> osStatus_t status;</div> -<div class="line"></div> +<div class="line"> </div> <div class="line"> <span class="keywordflow">while</span> (1) {</div> <div class="line"> ; <span class="comment">// Insert thread code here...</span></div> -<div class="line"> status = <a class="code" href="group__CMSIS__RTOS__Message.html#gad90d4959466a7a65105061da8256ab9e">osMessageQueueGet</a> (mid_MsgQueue, &msg, NULL, NULL); <span class="comment">// wait for message</span></div> +<div class="line"> status = <a class="code" href="group__CMSIS__RTOS__Message.html#gad90d4959466a7a65105061da8256ab9e">osMessageQueueGet</a>(mid_MsgQueue, &msg, NULL, 0U); <span class="comment">// wait for message</span></div> <div class="line"> <span class="keywordflow">if</span> (status == <a class="code" href="cmsis__os2_8h.html#ga6c0dbe6069e4e7f47bb4cd32ae2b813ea9e1c9e2550bb4de8969a935acffc968f">osOK</a>) {</div> -<div class="line"> ; <span class="comment">// process data</span></div> +<div class="line"> ; <span class="comment">// process data</span></div> <div class="line"> }</div> <div class="line"> }</div> <div class="line">}</div> @@ -486,7 +490,7 @@ size of provided memory for data storage <p>The size (in bytes) of memory block <li><em>osOK:</em> the message has been retrieved from the queue.</li> <li><em>osErrorTimeout:</em> the message could not be retrieved from the queue in the given time (timed-wait semantics).</li> <li><em>osErrorResource:</em> nothing to get from the queue (try semantics).</li> -<li><em>osErrorParameter:</em> the parameter <em>mq_id</em> is incorrect, non-zero timeout specified in an ISR.</li> +<li><em>osErrorParameter:</em> parameter <em>mq_id</em> is <span class="XML-Token">NULL</span> or invalid, non-zero timeout specified in an ISR.</li> </ul> <dl class="section note"><dt>Note</dt><dd>May be called from <a class="el" href="theory_of_operation.html#CMSIS_RTOS_ISR_Calls">Interrupt Service Routines</a> if the parameter <em>timeout</em> is set to <span class="XML-Token">0</span>.</dd></dl> <p><b>Code Example</b></p> @@ -619,7 +623,7 @@ size of provided memory for data storage <p>The size (in bytes) of memory block <ul> <li><em>osOK:</em> the message queue has been rest.</li> <li><em>osErrorParameter:</em> parameter <em>mq_id</em> is <span class="XML-Token">NULL</span> or invalid.</li> -<li><em>osErrorResource:</em> the message queue specified by parameter <em>mq_id</em> is in an invalid message queue state.</li> +<li><em>osErrorResource:</em> the message queue is in an invalid state.</li> <li><em>osErrorISR:</em> <b>osMessageQueueReset</b> cannot be called from interrupt service routines.</li> </ul> <dl class="section note"><dt>Note</dt><dd>This function <b>cannot</b> be called from <a class="el" href="theory_of_operation.html#CMSIS_RTOS_ISR_Calls">Interrupt Service Routines</a>. </dd></dl> @@ -651,7 +655,7 @@ size of provided memory for data storage <p>The size (in bytes) of memory block <ul> <li><em>osOK:</em> the message queue object has been deleted.</li> <li><em>osErrorParameter:</em> parameter <em>mq_id</em> is <span class="XML-Token">NULL</span> or invalid.</li> -<li><em>osErrorResource:</em> the message queue specified by parameter <em>mq_id</em> is in an invalid message queue state.</li> +<li><em>osErrorResource:</em> the message queue is in an invalid state.</li> <li><em>osErrorISR:</em> <b>osMessageQueueDelete</b> cannot be called from interrupt service routines.</li> </ul> <dl class="section note"><dt>Note</dt><dd>This function <b>cannot</b> be called from <a class="el" href="theory_of_operation.html#CMSIS_RTOS_ISR_Calls">Interrupt Service Routines</a>. </dd></dl> @@ -663,7 +667,7 @@ size of provided memory for data storage <p>The size (in bytes) of memory block <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> - <li class="footer">Generated on Wed Aug 1 2018 17:12:45 for CMSIS-RTOS2 by Arm Ltd. All rights reserved. + <li class="footer">Generated on Wed Jul 10 2019 15:21:04 for CMSIS-RTOS2 Version 2.1.3 by Arm Ltd. All rights reserved. <!-- <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 |