μC/OSIII——任务同步和通信（二）

不念不忘少年蓝@ 2022-08-05 02:57 128阅读 0赞

***使用情况***

> 任务同时等待多个内核对象，μC/OSIII仅允许任务同时等待多个信号量和多个消息队列，不支持同时等待多个事件标志组或互斥信号量。

***使用方法***

> 当下列情况发生，OSPendMulti()挂起当前任务：
> 
>  *  对象变为可用；
>  *  到达设定的超时时间；
>  *  一个或多个任务被删除或被终止；
>  *  一个或多个对象被删除了；

OS\_OBJ\_QTY  OSPendMulti (OS\_PEND\_DATA  \*p\_pend\_data\_tbl,  指向一个OS\_PEND\_DATA表的指针  
                                                 OS\_OBJ\_QTY     tbl\_size,                    OS\_PEND\_DATA表的表项数目  
                                                 OS\_TICK        timeout,                          指定超时值（时钟节拍数）  
                                                 OS\_OPT         opt,                                  
                                                 OS\_ERR        \*p\_err)                            该函数返回的错误码

struct  OS\_PEND\_DATA\{  
                                    OS\_PEND\_DATA        \*PrevPtr;  
                                    OS\_PEND\_DATA        \*NextPtr;  
                                    OS\_TCB                      \*TCBPtr;  
                                    OS\_PEND\_OBJ          \*PendObjPtr;  
                                    OS\_PEND\_OBJ          \*RdyObjPtr;  
                                    void                             \*RdyMsgPtr;  
                                    OS\_MSG\_SIZE           RdyMsgSize;  
                                    CPU\_TS                      RdyTS;  
                                     \};

opt  OS\_OPT\_PEND\_BLOCKING  阻塞模式  OS\_OPT\_PEND\_NON\_BLOCKING 非阻塞模式

***使用实例***

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&lt;a target=_blank id="L127" href="http://blog.csdn.net/u011425150/article/details/40114859#L127" rel="#L127"&gt; 127&lt;/a&gt;
&lt;a target=_blank id="L128" href="http://blog.csdn.net/u011425150/article/details/40114859#L128" rel="#L128"&gt; 128&lt;/a&gt;
&lt;a target=_blank id="L129" href="http://blog.csdn.net/u011425150/article/details/40114859#L129" rel="#L129"&gt; 129&lt;/a&gt;
&lt;a target=_blank id="L130" href="http://blog.csdn.net/u011425150/article/details/40114859#L130" rel="#L130"&gt; 130&lt;/a&gt;
&lt;a target=_blank id="L131" href="http://blog.csdn.net/u011425150/article/details/40114859#L131" rel="#L131"&gt; 131&lt;/a&gt;
&lt;a target=_blank id="L132" href="http://blog.csdn.net/u011425150/article/details/40114859#L132" rel="#L132"&gt; 132&lt;/a&gt;
&lt;a target=_blank id="L133" href="http://blog.csdn.net/u011425150/article/details/40114859#L133" rel="#L133"&gt; 133&lt;/a&gt;
&lt;a target=_blank id="L134" href="http://blog.csdn.net/u011425150/article/details/40114859#L134" rel="#L134"&gt; 134&lt;/a&gt;
&lt;a target=_blank id="L135" href="http://blog.csdn.net/u011425150/article/details/40114859#L135" rel="#L135"&gt; 135&lt;/a&gt;
&lt;a target=_blank id="L136" href="http://blog.csdn.net/u011425150/article/details/40114859#L136" rel="#L136"&gt; 136&lt;/a&gt;
&lt;a target=_blank id="L137" href="http://blog.csdn.net/u011425150/article/details/40114859#L137" rel="#L137"&gt; 137&lt;/a&gt;
&lt;a target=_blank id="L138" href="http://blog.csdn.net/u011425150/article/details/40114859#L138" rel="#L138"&gt; 138&lt;/a&gt;
&lt;a target=_blank id="L139" href="http://blog.csdn.net/u011425150/article/details/40114859#L139" rel="#L139"&gt; 139&lt;/a&gt;
&lt;a target=_blank id="L140" href="http://blog.csdn.net/u011425150/article/details/40114859#L140" rel="#L140"&gt; 140&lt;/a&gt;
&lt;a target=_blank id="L141" href="http://blog.csdn.net/u011425150/article/details/40114859#L141" rel="#L141"&gt; 141&lt;/a&gt;
&lt;a target=_blank id="L142" href="http://blog.csdn.net/u011425150/article/details/40114859#L142" rel="#L142"&gt; 142&lt;/a&gt;
&lt;a target=_blank id="L143" href="http://blog.csdn.net/u011425150/article/details/40114859#L143" rel="#L143"&gt; 143&lt;/a&gt;
&lt;a target=_blank id="L144" href="http://blog.csdn.net/u011425150/article/details/40114859#L144" rel="#L144"&gt; 144&lt;/a&gt;
&lt;a target=_blank id="L145" href="http://blog.csdn.net/u011425150/article/details/40114859#L145" rel="#L145"&gt; 145&lt;/a&gt;
&lt;a target=_blank id="L146" href="http://blog.csdn.net/u011425150/article/details/40114859#L146" rel="#L146"&gt; 146&lt;/a&gt;
&lt;a target=_blank id="L147" href="http://blog.csdn.net/u011425150/article/details/40114859#L147" rel="#L147"&gt; 147&lt;/a&gt;
&lt;a target=_blank id="L148" href="http://blog.csdn.net/u011425150/article/details/40114859#L148" rel="#L148"&gt; 148&lt;/a&gt;
&lt;a target=_blank id="L149" href="http://blog.csdn.net/u011425150/article/details/40114859#L149" rel="#L149"&gt; 149&lt;/a&gt;
&lt;a target=_blank id="L150" href="http://blog.csdn.net/u011425150/article/details/40114859#L150" rel="#L150"&gt; 150&lt;/a&gt;
&lt;a target=_blank id="L151" href="http://blog.csdn.net/u011425150/article/details/40114859#L151" rel="#L151"&gt; 151&lt;/a&gt;
&lt;a target=_blank id="L152" href="http://blog.csdn.net/u011425150/article/details/40114859#L152" rel="#L152"&gt; 152&lt;/a&gt;
&lt;a target=_blank id="L153" href="http://blog.csdn.net/u011425150/article/details/40114859#L153" rel="#L153"&gt; 153&lt;/a&gt;
&lt;a target=_blank id="L154" href="http://blog.csdn.net/u011425150/article/details/40114859#L154" rel="#L154"&gt; 154&lt;/a&gt;
&lt;a target=_blank id="L155" href="http://blog.csdn.net/u011425150/article/details/40114859#L155" rel="#L155"&gt; 155&lt;/a&gt;
&lt;a target=_blank id="L156" href="http://blog.csdn.net/u011425150/article/details/40114859#L156" rel="#L156"&gt; 156&lt;/a&gt;
&lt;a target=_blank id="L157" href="http://blog.csdn.net/u011425150/article/details/40114859#L157" rel="#L157"&gt; 157&lt;/a&gt;
&lt;a target=_blank id="L158" href="http://blog.csdn.net/u011425150/article/details/40114859#L158" rel="#L158"&gt; 158&lt;/a&gt;
&lt;a target=_blank id="L159" href="http://blog.csdn.net/u011425150/article/details/40114859#L159" rel="#L159"&gt; 159&lt;/a&gt;
&lt;a target=_blank id="L160" href="http://blog.csdn.net/u011425150/article/details/40114859#L160" rel="#L160"&gt; 160&lt;/a&gt;
&lt;a target=_blank id="L161" href="http://blog.csdn.net/u011425150/article/details/40114859#L161" rel="#L161"&gt; 161&lt;/a&gt;
&lt;a target=_blank id="L162" href="http://blog.csdn.net/u011425150/article/details/40114859#L162" rel="#L162"&gt; 162&lt;/a&gt;
&lt;a target=_blank id="L163" href="http://blog.csdn.net/u011425150/article/details/40114859#L163" rel="#L163"&gt; 163&lt;/a&gt;
&lt;a target=_blank id="L164" href="http://blog.csdn.net/u011425150/article/details/40114859#L164" rel="#L164"&gt; 164&lt;/a&gt;
&lt;a target=_blank id="L165" href="http://blog.csdn.net/u011425150/article/details/40114859#L165" rel="#L165"&gt; 165&lt;/a&gt;
&lt;a target=_blank id="L166" href="http://blog.csdn.net/u011425150/article/details/40114859#L166" rel="#L166"&gt; 166&lt;/a&gt;
&lt;a target=_blank id="L167" href="http://blog.csdn.net/u011425150/article/details/40114859#L167" rel="#L167"&gt; 167&lt;/a&gt;
&lt;a target=_blank id="L168" href="http://blog.csdn.net/u011425150/article/details/40114859#L168" rel="#L168"&gt; 168&lt;/a&gt;
&lt;a target=_blank id="L169" href="http://blog.csdn.net/u011425150/article/details/40114859#L169" rel="#L169"&gt; 169&lt;/a&gt;
&lt;a target=_blank id="L170" href="http://blog.csdn.net/u011425150/article/details/40114859#L170" rel="#L170"&gt; 170&lt;/a&gt;
&lt;a target=_blank id="L171" href="http://blog.csdn.net/u011425150/article/details/40114859#L171" rel="#L171"&gt; 171&lt;/a&gt;
&lt;a target=_blank id="L172" href="http://blog.csdn.net/u011425150/article/details/40114859#L172" rel="#L172"&gt; 172&lt;/a&gt;
&lt;a target=_blank id="L173" href="http://blog.csdn.net/u011425150/article/details/40114859#L173" rel="#L173"&gt; 173&lt;/a&gt;
&lt;a target=_blank id="L174" href="http://blog.csdn.net/u011425150/article/details/40114859#L174" rel="#L174"&gt; 174&lt;/a&gt;
&lt;a target=_blank id="L175" href="http://blog.csdn.net/u011425150/article/details/40114859#L175" rel="#L175"&gt; 175&lt;/a&gt;
&lt;a target=_blank id="L176" href="http://blog.csdn.net/u011425150/article/details/40114859#L176" rel="#L176"&gt; 176&lt;/a&gt;
&lt;a target=_blank id="L177" href="http://blog.csdn.net/u011425150/article/details/40114859#L177" rel="#L177"&gt; 177&lt;/a&gt;
&lt;a target=_blank id="L178" href="http://blog.csdn.net/u011425150/article/details/40114859#L178" rel="#L178"&gt; 178&lt;/a&gt;
&lt;a target=_blank id="L179" href="http://blog.csdn.net/u011425150/article/details/40114859#L179" rel="#L179"&gt; 179&lt;/a&gt;
&lt;a target=_blank id="L180" href="http://blog.csdn.net/u011425150/article/details/40114859#L180" rel="#L180"&gt; 180&lt;/a&gt;
&lt;a target=_blank id="L181" href="http://blog.csdn.net/u011425150/article/details/40114859#L181" rel="#L181"&gt; 181&lt;/a&gt;
&lt;a target=_blank id="L182" href="http://blog.csdn.net/u011425150/article/details/40114859#L182" rel="#L182"&gt; 182&lt;/a&gt;
&lt;a target=_blank id="L183" href="http://blog.csdn.net/u011425150/article/details/40114859#L183" rel="#L183"&gt; 183&lt;/a&gt;
&lt;a target=_blank id="L184" href="http://blog.csdn.net/u011425150/article/details/40114859#L184" rel="#L184"&gt; 184&lt;/a&gt;
&lt;a target=_blank id="L185" href="http://blog.csdn.net/u011425150/article/details/40114859#L185" rel="#L185"&gt; 185&lt;/a&gt;
&lt;a target=_blank id="L186" href="http://blog.csdn.net/u011425150/article/details/40114859#L186" rel="#L186"&gt; 186&lt;/a&gt;
&lt;a target=_blank id="L187" href="http://blog.csdn.net/u011425150/article/details/40114859#L187" rel="#L187"&gt; 187&lt;/a&gt;
&lt;a target=_blank id="L188" href="http://blog.csdn.net/u011425150/article/details/40114859#L188" rel="#L188"&gt; 188&lt;/a&gt;
&lt;a target=_blank id="L189" href="http://blog.csdn.net/u011425150/article/details/40114859#L189" rel="#L189"&gt; 189&lt;/a&gt;
&lt;a target=_blank id="L190" href="http://blog.csdn.net/u011425150/article/details/40114859#L190" rel="#L190"&gt; 190&lt;/a&gt;
&lt;a target=_blank id="L191" href="http://blog.csdn.net/u011425150/article/details/40114859#L191" rel="#L191"&gt; 191&lt;/a&gt;
&lt;a target=_blank id="L192" href="http://blog.csdn.net/u011425150/article/details/40114859#L192" rel="#L192"&gt; 192&lt;/a&gt;
&lt;a target=_blank id="L193" href="http://blog.csdn.net/u011425150/article/details/40114859#L193" rel="#L193"&gt; 193&lt;/a&gt;
&lt;a target=_blank id="L194" href="http://blog.csdn.net/u011425150/article/details/40114859#L194" rel="#L194"&gt; 194&lt;/a&gt;
&lt;a target=_blank id="L195" href="http://blog.csdn.net/u011425150/article/details/40114859#L195" rel="#L195"&gt; 195&lt;/a&gt;
&lt;a target=_blank id="L196" href="http://blog.csdn.net/u011425150/article/details/40114859#L196" rel="#L196"&gt; 196&lt;/a&gt;
&lt;a target=_blank id="L197" href="http://blog.csdn.net/u011425150/article/details/40114859#L197" rel="#L197"&gt; 197&lt;/a&gt;
&lt;a target=_blank id="L198" href="http://blog.csdn.net/u011425150/article/details/40114859#L198" rel="#L198"&gt; 198&lt;/a&gt;
&lt;a target=_blank id="L199" href="http://blog.csdn.net/u011425150/article/details/40114859#L199" rel="#L199"&gt; 199&lt;/a&gt;
&lt;a target=_blank id="L200" href="http://blog.csdn.net/u011425150/article/details/40114859#L200" rel="#L200"&gt; 200&lt;/a&gt;
&lt;a target=_blank id="L201" href="http://blog.csdn.net/u011425150/article/details/40114859#L201" rel="#L201"&gt; 201&lt;/a&gt;
&lt;a target=_blank id="L202" href="http://blog.csdn.net/u011425150/article/details/40114859#L202" rel="#L202"&gt; 202&lt;/a&gt;
&lt;a target=_blank id="L203" href="http://blog.csdn.net/u011425150/article/details/40114859#L203" rel="#L203"&gt; 203&lt;/a&gt;
&lt;a target=_blank id="L204" href="http://blog.csdn.net/u011425150/article/details/40114859#L204" rel="#L204"&gt; 204&lt;/a&gt;
&lt;a target=_blank id="L205" href="http://blog.csdn.net/u011425150/article/details/40114859#L205" rel="#L205"&gt; 205&lt;/a&gt;
&lt;a target=_blank id="L206" href="http://blog.csdn.net/u011425150/article/details/40114859#L206" rel="#L206"&gt; 206&lt;/a&gt;
&lt;a target=_blank id="L207" href="http://blog.csdn.net/u011425150/article/details/40114859#L207" rel="#L207"&gt; 207&lt;/a&gt;
&lt;a target=_blank id="L208" href="http://blog.csdn.net/u011425150/article/details/40114859#L208" rel="#L208"&gt; 208&lt;/a&gt;
&lt;a target=_blank id="L209" href="http://blog.csdn.net/u011425150/article/details/40114859#L209" rel="#L209"&gt; 209&lt;/a&gt;
&lt;a target=_blank id="L210" href="http://blog.csdn.net/u011425150/article/details/40114859#L210" rel="#L210"&gt; 210&lt;/a&gt;
&lt;a target=_blank id="L211" href="http://blog.csdn.net/u011425150/article/details/40114859#L211" rel="#L211"&gt; 211&lt;/a&gt;
&lt;a target=_blank id="L212" href="http://blog.csdn.net/u011425150/article/details/40114859#L212" rel="#L212"&gt; 212&lt;/a&gt;
&lt;a target=_blank id="L213" href="http://blog.csdn.net/u011425150/article/details/40114859#L213" rel="#L213"&gt; 213&lt;/a&gt;
&lt;a target=_blank id="L214" href="http://blog.csdn.net/u011425150/article/details/40114859#L214" rel="#L214"&gt; 214&lt;/a&gt;
&lt;a target=_blank id="L215" href="http://blog.csdn.net/u011425150/article/details/40114859#L215" rel="#L215"&gt; 215&lt;/a&gt;
&lt;a target=_blank id="L216" href="http://blog.csdn.net/u011425150/article/details/40114859#L216" rel="#L216"&gt; 216&lt;/a&gt;
&lt;a target=_blank id="L217" href="http://blog.csdn.net/u011425150/article/details/40114859#L217" rel="#L217"&gt; 217&lt;/a&gt;
&lt;a target=_blank id="L218" href="http://blog.csdn.net/u011425150/article/details/40114859#L218" rel="#L218"&gt; 218&lt;/a&gt;
&lt;a target=_blank id="L219" href="http://blog.csdn.net/u011425150/article/details/40114859#L219" rel="#L219"&gt; 219&lt;/a&gt;
&lt;a target=_blank id="L220" href="http://blog.csdn.net/u011425150/article/details/40114859#L220" rel="#L220"&gt; 220&lt;/a&gt;
&lt;a target=_blank id="L221" href="http://blog.csdn.net/u011425150/article/details/40114859#L221" rel="#L221"&gt; 221&lt;/a&gt;
&lt;a target=_blank id="L222" href="http://blog.csdn.net/u011425150/article/details/40114859#L222" rel="#L222"&gt; 222&lt;/a&gt;
&lt;a target=_blank id="L223" href="http://blog.csdn.net/u011425150/article/details/40114859#L223" rel="#L223"&gt; 223&lt;/a&gt;
&lt;a target=_blank id="L224" href="http://blog.csdn.net/u011425150/article/details/40114859#L224" rel="#L224"&gt; 224&lt;/a&gt;
&lt;a target=_blank id="L225" href="http://blog.csdn.net/u011425150/article/details/40114859#L225" rel="#L225"&gt; 225&lt;/a&gt;
&lt;a target=_blank id="L226" href="http://blog.csdn.net/u011425150/article/details/40114859#L226" rel="#L226"&gt; 226&lt;/a&gt;
&lt;a target=_blank id="L227" href="http://blog.csdn.net/u011425150/article/details/40114859#L227" rel="#L227"&gt; 227&lt;/a&gt;
&lt;a target=_blank id="L228" href="http://blog.csdn.net/u011425150/article/details/40114859#L228" rel="#L228"&gt; 228&lt;/a&gt;
&lt;a target=_blank id="L229" href="http://blog.csdn.net/u011425150/article/details/40114859#L229" rel="#L229"&gt; 229&lt;/a&gt;
&lt;a target=_blank id="L230" href="http://blog.csdn.net/u011425150/article/details/40114859#L230" rel="#L230"&gt; 230&lt;/a&gt;
&lt;a target=_blank id="L231" href="http://blog.csdn.net/u011425150/article/details/40114859#L231" rel="#L231"&gt; 231&lt;/a&gt;
&lt;a target=_blank id="L232" href="http://blog.csdn.net/u011425150/article/details/40114859#L232" rel="#L232"&gt; 232&lt;/a&gt;
&lt;a target=_blank id="L233" href="http://blog.csdn.net/u011425150/article/details/40114859#L233" rel="#L233"&gt; 233&lt;/a&gt;
&lt;a target=_blank id="L234" href="http://blog.csdn.net/u011425150/article/details/40114859#L234" rel="#L234"&gt; 234&lt;/a&gt;
&lt;a target=_blank id="L235" href="http://blog.csdn.net/u011425150/article/details/40114859#L235" rel="#L235"&gt; 235&lt;/a&gt;
&lt;a target=_blank id="L236" href="http://blog.csdn.net/u011425150/article/details/40114859#L236" rel="#L236"&gt; 236&lt;/a&gt;
&lt;a target=_blank id="L237" href="http://blog.csdn.net/u011425150/article/details/40114859#L237" rel="#L237"&gt; 237&lt;/a&gt;
&lt;a target=_blank id="L238" href="http://blog.csdn.net/u011425150/article/details/40114859#L238" rel="#L238"&gt; 238&lt;/a&gt;
&lt;a target=_blank id="L239" href="http://blog.csdn.net/u011425150/article/details/40114859#L239" rel="#L239"&gt; 239&lt;/a&gt;
&lt;a target=_blank id="L240" href="http://blog.csdn.net/u011425150/article/details/40114859#L240" rel="#L240"&gt; 240&lt;/a&gt;
&lt;a target=_blank id="L241" href="http://blog.csdn.net/u011425150/article/details/40114859#L241" rel="#L241"&gt; 241&lt;/a&gt;</pre></td> 
   <td> 
    <div> 
     <pre>
            
             
      <div>
       
              
             #define  APP_TASK_START_PRIO                               4u
            
             
      </div>
            
             
      <div>
       
              
             #define  APP_TASK_1_PRIO                                   5u
            
             
      </div>
            
             
      <div>
       
              
             #define  APP_TASK_2_PRIO                                   6u
            
             
      </div>
            
             
      <div>
       
              
             #define  APP_TASK_3_PRIO                                   7u
            
             
      </div>
            
             
      <div>
       
              
             #define  APP_TASK_4_PRIO                                   8u
            
             
      </div>
            
             
      <div>
       
              
             #define  APP_TASK_5_PRIO                                   9u
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             #define  APP_TASK_START_STK_SIZE                         256u
            
             
      </div>
            
             
      <div>
       
              
             #define  APP_TASK_1_STK_SIZE                             256u
            
             
      </div>
            
             
      <div>
       
              
             #define  APP_TASK_2_STK_SIZE                             256u
            
             
      </div>
            
             
      <div>
       
              
             #define  APP_TASK_3_STK_SIZE                             256u
            
             
      </div>
            
             
      <div>
       
              
             #define  APP_TASK_4_STK_SIZE                             256u
            
             
      </div>
            
             
      <div>
       
              
             #define  APP_TASK_5_STK_SIZE                             256u
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             static  OS_TCB   AppTaskStartTCB;
            
             
      </div>
            
             
      <div>
       
              
             static  OS_TCB   AppTask1TCB;
            
             
      </div>
            
             
      <div>
       
              
             static  OS_TCB   AppTask2TCB;
            
             
      </div>
            
             
      <div>
       
              
             static  OS_TCB   AppTask3TCB;
            
             
      </div>
            
             
      <div>
       
              
             static  OS_TCB   AppTask4TCB;
            
             
      </div>
            
             
      <div>
       
              
             static  OS_TCB   AppTask5TCB;
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             static  OS_SEM   MYSEM1;
            
             
      </div>
            
             
      <div>
       
              
             static  OS_SEM   MYSEM2;
            
             
      </div>
            
             
      <div>
       
              
             static  OS_Q     MYQ1;
            
             
      </div>
            
             
      <div>
       
              
             static  OS_Q     MYQ2;
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             static  CPU_STK  AppTaskStartStk[APP_TASK_START_STK_SIZE];
            
             
      </div>
            
             
      <div>
       
              
             static  CPU_STK  AppTask1Stk[APP_TASK_1_STK_SIZE];
            
             
      </div>
            
             
      <div>
       
              
             static  CPU_STK  AppTask2Stk[APP_TASK_2_STK_SIZE];
            
             
      </div>
            
             
      <div>
       
              
             static  CPU_STK  AppTask3Stk[APP_TASK_3_STK_SIZE];
            
             
      </div>
            
             
      <div>
       
              
             static  CPU_STK  AppTask4Stk[APP_TASK_4_STK_SIZE];
            
             
      </div>
            
             
      <div>
       
              
             static  CPU_STK  AppTask5Stk[APP_TASK_5_STK_SIZE];
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             static  void  AppTaskStart(void  *p_arg);
            
             
      </div>
            
             
      <div>
       
              
             void AppTask1(void *p_arg);
            
             
      </div>
            
             
      <div>
       
              
             void AppTask2(void *p_arg);
            
             
      </div>
            
             
      <div>
       
              
             void AppTask3(void *p_arg);
            
             
      </div>
            
             
      <div>
       
              
             void AppTask4(CPU_CHAR *p_arg);
            
             
      </div>
            
             
      <div>
       
              
             void AppTask5(void *p_arg);
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             CPU_CHAR *s_M = "NWPU";
            
             
      </div>
            
             
      <div>
       
              
             CPU_CHAR *BLOCK1 = "消息传递Task4";
            
             
      </div>
            
             
      <div>
       
              
             CPU_CHAR *BLOCK2 = "消息传递Task5";
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             int  main (void)
            
             
      </div>
            
             
      <div>
       
              
             {
            
             
      </div>
            
             
      <div>
       
              
                 OS_ERR  err;
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>

</div>
            
             
      <div>
       
              
                 OSInit(&amp;err);                                               
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             	OSQCreate((OS_Q     *)&amp;MYQ1,
            
             
      </div>
            
             
      <div>
       
              
                 		 (CPU_CHAR *)"MYQ1",
            
             
      </div>
            
             
      <div>
       
              
                 		 (OS_MSG_QTY)10,
            
             
      </div>
            
             
      <div>
       
              
                 		 (OS_ERR   *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             	OSQCreate((OS_Q     *)&amp;MYQ2,
            
             
      </div>
            
             
      <div>
       
              
                 		 (CPU_CHAR *)"MYQ2",
            
             
      </div>
            
             
      <div>
       
              
                 		 (OS_MSG_QTY)10,
            
             
      </div>
            
             
      <div>
       
              
                 		 (OS_ERR   *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             	OSSemCreate((OS_SEM    *)&amp;MYSEM1,
            
             
      </div>
            
             
      <div>
       
              
                     		(CPU_CHAR  *)"MYSEM1",
            
             
      </div>
            
             
      <div>
       
              
                     		(OS_SEM_CTR)0,
            
             
      </div>
            
             
      <div>
       
              
                     		(OS_ERR    *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             	OSSemCreate((OS_SEM    *)&amp;MYSEM2,
            
             
      </div>
            
             
      <div>
       
              
                     		(CPU_CHAR  *)"MYSEM2",
            
             
      </div>
            
             
      <div>
       
              
                     		(OS_SEM_CTR)0,
            
             
      </div>
            
             
      <div>
       
              
                     		(OS_ERR    *)&amp;err);
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
                 OSTaskCreate((OS_TCB     *)&amp;AppTaskStartTCB,                
            
             
      </div>
            
             
      <div>
       
              
                              (CPU_CHAR   *)"App Task Start",
            
             
      </div>
            
             
      <div>
       
              
                              (OS_TASK_PTR ) AppTaskStart,
            
             
      </div>
            
             
      <div>
       
              
                              (void       *) 0,
            
             
      </div>
            
             
      <div>
       
              
                              (OS_PRIO     ) APP_TASK_START_PRIO,
            
             
      </div>
            
             
      <div>
       
              
                              (CPU_STK    *)&amp;AppTaskStartStk[0],
            
             
      </div>
            
             
      <div>
       
              
                              (CPU_STK_SIZE) APP_TASK_START_STK_SIZE / 10u,
            
             
      </div>
            
             
      <div>
       
              
                              (CPU_STK_SIZE) APP_TASK_START_STK_SIZE,
            
             
      </div>
            
             
      <div>
       
              
                              (OS_MSG_QTY  ) 0u,
            
             
      </div>
            
             
      <div>
       
              
                              (OS_TICK     ) 0u,
            
             
      </div>
            
             
      <div>
       
              
                              (void       *) 0,
            
             
      </div>
            
             
      <div>
       
              
                              (OS_OPT      )(OS_OPT_TASK_STK_CHK | OS_OPT_TASK_STK_CLR),
            
             
      </div>
            
             
      <div>
       
              
                              (OS_ERR     *)&amp;err);
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
                 OSStart(&amp;err);                                             
            
             
      </div>
            
             
      <div>
       
              
             }
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             static  void  AppTaskStart (void *p_arg)
            
             
      </div>
            
             
      <div>
       
              
             {
            
             
      </div>
            
             
      <div>
       
              
                 OS_ERR  err;
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>

</div>
            
             
      <div>
       
              
                (void)p_arg;
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
                 CPU_Init();                                                
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             	OSTaskCreate((OS_TCB     *)&amp;AppTask1TCB,               
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_CHAR   *)"AppTask1",
            
             
      </div>
            
             
      <div>
       
              
             				(OS_TASK_PTR)AppTask1,
            
             
      </div>
            
             
      <div>
       
              
             				(void       *)0,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_PRIO)APP_TASK_1_PRIO,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK    *)&amp;AppTask1Stk[0],
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK_SIZE)APP_TASK_1_STK_SIZE / 10u,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK_SIZE)APP_TASK_1_STK_SIZE,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_MSG_QTY)0u,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_TICK)0u,
            
             
      </div>
            
             
      <div>
       
              
             				(void       *)0,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_OPT)(OS_OPT_TASK_STK_CHK | OS_OPT_TASK_STK_CLR),
            
             
      </div>
            
             
      <div>
       
              
             				(OS_ERR     *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             	OSTaskCreate((OS_TCB     *)&amp;AppTask2TCB,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_CHAR   *)"AppTask2",
            
             
      </div>
            
             
      <div>
       
              
             				(OS_TASK_PTR)AppTask2,
            
             
      </div>
            
             
      <div>
       
              
             				(void       *)0,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_PRIO)APP_TASK_2_PRIO,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK    *)&amp;AppTask2Stk[0],
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK_SIZE)APP_TASK_2_STK_SIZE / 10u,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK_SIZE)APP_TASK_2_STK_SIZE,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_MSG_QTY)0u,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_TICK)0u,
            
             
      </div>
            
             
      <div>
       
              
             				(void       *)0,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_OPT)(OS_OPT_TASK_STK_CHK | OS_OPT_TASK_STK_CLR),
            
             
      </div>
            
             
      <div>
       
              
             				(OS_ERR     *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             	OSTaskCreate((OS_TCB     *)&amp;AppTask3TCB,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_CHAR   *)"AppTask3",
            
             
      </div>
            
             
      <div>
       
              
             				(OS_TASK_PTR)AppTask3,
            
             
      </div>
            
             
      <div>
       
              
             				(void       *)0,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_PRIO)APP_TASK_3_PRIO,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK    *)&amp;AppTask3Stk[0],
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK_SIZE)APP_TASK_3_STK_SIZE / 10u,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK_SIZE)APP_TASK_3_STK_SIZE,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_MSG_QTY)0u,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_TICK)0u,
            
             
      </div>
            
             
      <div>
       
              
             				(void       *)0,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_OPT)(OS_OPT_TASK_STK_CHK | OS_OPT_TASK_STK_CLR),
            
             
      </div>
            
             
      <div>
       
              
             				(OS_ERR     *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             	OSTaskCreate((OS_TCB     *)&amp;AppTask4TCB,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_CHAR   *)"AppTask4",
            
             
      </div>
            
             
      <div>
       
              
             				(OS_TASK_PTR)AppTask4,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_CHAR   *)s_M,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_PRIO)APP_TASK_4_PRIO,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK    *)&amp;AppTask4Stk[0],
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK_SIZE)APP_TASK_4_STK_SIZE / 10u,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK_SIZE)APP_TASK_4_STK_SIZE,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_MSG_QTY)0u,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_TICK)0u,
            
             
      </div>
            
             
      <div>
       
              
             				(void       *)0,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_OPT)(OS_OPT_TASK_STK_CHK | OS_OPT_TASK_STK_CLR),
            
             
      </div>
            
             
      <div>
       
              
             				(OS_ERR     *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             	OSTaskCreate((OS_TCB     *)&amp;AppTask5TCB,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_CHAR   *)"AppTask5",
            
             
      </div>
            
             
      <div>
       
              
             				(OS_TASK_PTR)AppTask5,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_CHAR   *)s_M,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_PRIO)APP_TASK_5_PRIO,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK    *)&amp;AppTask5Stk[0],
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK_SIZE)APP_TASK_5_STK_SIZE / 10u,
            
             
      </div>
            
             
      <div>
       
              
             				(CPU_STK_SIZE)APP_TASK_5_STK_SIZE,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_MSG_QTY)0u,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_TICK)0u,
            
             
      </div>
            
             
      <div>
       
              
             				(void       *)0,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_OPT)(OS_OPT_TASK_STK_CHK | OS_OPT_TASK_STK_CLR),
            
             
      </div>
            
             
      <div>
       
              
             				(OS_ERR     *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             }
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             void AppTask1(void *p_arg)
            
             
      </div>
            
             
      <div>
       
              
             {
            
             
      </div>
            
             
      <div>
       
              
             	OS_ERR  err;
            
             
      </div>
            
             
      <div>
       
              
             	OS_PEND_DATA MULTI_TBL[4];
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             	(void)p_arg;
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             	while (DEF_ON){
            
             
      </div>
            
             
      <div>
       
              
             		MULTI_TBL[0].PendObjPtr = &amp;MYSEM1;
            
             
      </div>
            
             
      <div>
       
              
             		MULTI_TBL[1].PendObjPtr = &amp;MYSEM2;
            
             
      </div>
            
             
      <div>
       
              
             		MULTI_TBL[2].PendObjPtr = &amp;MYQ1;
            
             
      </div>
            
             
      <div>
       
              
             		MULTI_TBL[3].PendObjPtr = &amp;MYQ2;
            
             
      </div>
            
             
      <div>
       
              
             		OSPendMulti((OS_PEND_DATA  *)&amp;MULTI_TBL[0],
            
             
      </div>
            
             
      <div>
       
              
             					 (OS_OBJ_QTY)4,
            
             
      </div>
            
             
      <div>
       
              
             					 (OS_TICK)0,
            
             
      </div>
            
             
      <div>
       
              
             					 (OS_OPT)OS_OPT_PEND_BLOCKING,
            
             
      </div>
            
             
      <div>
       
              
             					 (OS_ERR        *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             		APP_TRACE_DBG(("Task1 is running...\n\r"));
            
             
      </div>
            
             
      <div>
       
              
             	}
            
             
      </div>
            
             
      <div>
       
              
             }
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             void AppTask2(void *p_arg)
            
             
      </div>
            
             
      <div>
       
              
             {
            
             
      </div>
            
             
      <div>
       
              
             	OS_ERR  err;
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             	(void)p_arg;
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             	while (DEF_ON){
            
             
      </div>
            
             
      <div>
       
              
             		APP_TRACE_DBG(("Task2 is running...\n\r"));
            
             
      </div>
            
             
      <div>
       
              
             		OSSemPost((OS_SEM  *)&amp;MYSEM1,
            
             
      </div>
            
             
      <div>
       
              
             				 (OS_OPT)OS_OPT_POST_1,
            
             
      </div>
            
             
      <div>
       
              
             				 (OS_ERR  *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             		OSTimeDlyHMSM(0, 0, 1, 0, OS_OPT_TIME_DLY, &amp;err);
            
             
      </div>
            
             
      <div>
       
              
             	}
            
             
      </div>
            
             
      <div>
       
              
             }
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             void AppTask3(void *p_arg)
            
             
      </div>
            
             
      <div>
       
              
             {
            
             
      </div>
            
             
      <div>
       
              
             	OS_ERR err;
            
             
      </div>
            
             
      <div>
       
              
                 (void)p_arg;
            
             
      </div>
            
             
      <div>
       
              
             	while (DEF_ON){
            
             
      </div>
            
             
      <div>
       
              
             		APP_TRACE_DBG(("Time:%ld\n\r", OSTimeGet(&amp;err)));
            
             
      </div>
            
             
      <div>
       
              
             		OSSemPost((OS_SEM  *)&amp;MYSEM2,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_OPT)OS_OPT_POST_1,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_ERR  *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             		OSTimeDlyHMSM(0, 0, 1, 0, OS_OPT_TIME_DLY, &amp;err);
            
             
      </div>
            
             
      <div>
       
              
             	}
            
             
      </div>
            
             
      <div>
       
              
             }
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             void AppTask4(CPU_CHAR *p_arg)
            
             
      </div>
            
             
      <div>
       
              
             {
            
             
      </div>
            
             
      <div>
       
              
             	OS_ERR err;
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             	while (DEF_ON){
            
             
      </div>
            
             
      <div>
       
              
             		APP_TRACE_DBG(("%s\n\r", p_arg));
            
             
      </div>
            
             
      <div>
       
              
             		OSQPost((OS_Q      *)&amp;MYQ1,
            
             
      </div>
            
             
      <div>
       
              
             				(void      *)BLOCK1,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_MSG_SIZE)sizeof(BLOCK1),
            
             
      </div>
            
             
      <div>
       
              
             				(OS_OPT)OS_OPT_POST_FIFO,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_ERR    *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             		OSTimeDlyHMSM(0, 0, 1, 0, OS_OPT_TIME_DLY, &amp;err);
            
             
      </div>
            
             
      <div>
       
              
             	}
            
             
      </div>
            
             
      <div>
       
              
             }
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             void AppTask5(void *p_arg)
            
             
      </div>
            
             
      <div>
       
              
             {
            
             
      </div>
            
             
      <div>
       
              
             	OS_ERR  err;
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             	(void)p_arg;
            
             
      </div>
            
             
      <div>

</div>
            
             
      <div>
       
              
             	while (DEF_ON){
            
             
      </div>
            
             
      <div>
       
              
             		APP_TRACE_DBG(("Task5 is running...\n\r"));
            
             
      </div>
            
             
      <div>
       
              
             		OSQPost((OS_Q      *)&amp;MYQ2,
            
             
      </div>
            
             
      <div>
       
              
             				(void      *)BLOCK2,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_MSG_SIZE)sizeof(BLOCK2),
            
             
      </div>
            
             
      <div>
       
              
             				(OS_OPT)OS_OPT_POST_FIFO,
            
             
      </div>
            
             
      <div>
       
              
             				(OS_ERR    *)&amp;err);
            
             
      </div>
            
             
      <div>
       
              
             		OSTimeDlyHMSM(0, 0, 1, 0, OS_OPT_TIME_DLY, &amp;err);
            
             
      </div>
            
             
      <div>
       
              
             	}
            
             
      </div>
            
             
      <div>
       
              
             }
            
             
      </div></pre> 
    </div> </td> 
  </tr> 
 </tbody> 
</table>

##### [来自CODE的代码片][CODE]  Multi #####

***实验结果***

![Center][]

[CODE]: https://code.csdn.net/snippets/484978
[Center]: /images/20220805/60fcf2d60c8049ac8e0ce26f4914a2f5.png