事件组

<b>configUSE_16_BIT_TICKS&nbsp; 1&nbsp;</b>&nbsp; 这个整数就是16位的，低8位用来表示事件<br>

<b>configUSE_16_BIT_TICKS&nbsp;&nbsp;0&nbsp; &nbsp;</b>这个整数就是32位的，低24位用来表示事件<br>

EventGroupHandle_t <font color="#64b5f6"><b>xEventGroupCreate</b></font>( void );<br>

EventGroupHandle_t <b><font color="#64b5f6">xEventGroupCreateStatic</font></b>( StaticEventGroup_t *<b>pxEventGroupBuffer </b>);

void <b><font color="#64b5f6">vEventGroupDelete</font></b>( EventGroupHandle_t <b>xEventGroup </b>)

EventBits_t <b><font color="#64b5f6">xEventGroupSetBits</font></b>( EventGroupHandle_t <b>xEventGroup</b>，const EventBits_t <b>uxBitsToSet </b>);

BaseType_t <b><font color="#64b5f6">xEventGroupSetBitsFromISR</font></b>( EventGroupHandle_t <b>xEventGroup</b>,<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; const EventBits_t <b>uxBitsToSet</b>,<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; BaseType_t * <b>pxHigherPriorityTaskWoken </b>);<br>

参数： <b><font color="#7b1fa2">xEventGroup&nbsp;</font></b>&nbsp;哪个事件组&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <b><font color="#7b1fa2">uxBitsToSet&nbsp;</font></b>&nbsp; &nbsp;设置哪些位?&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <b><font color="#7b1fa2">pxHigherPriorityTaskWoken&nbsp; &nbsp;</font></b>有没有导致更高优先级的任务进入就绪态<br>

EventBits_t <b><font color="#64b5f6">xEventGroupWaitBits</font></b>( EventGroupHandle_t <b>xEventGroup</b>,&nbsp; &nbsp; &nbsp; // 哪个事件组 <br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;const EventBits_t <b>uxBitsToWaitFor</b>,&nbsp; &nbsp; &nbsp; //等待哪些位？<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;const BaseType_t <b>xClearOnExit</b>,&nbsp; &nbsp; &nbsp; &nbsp; //怎么测试？是"AND"还是"OR"？<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;const BaseType_t <b>xWaitForAllBits</b>,&nbsp; &nbsp; //函数提出前是否要清除事件？<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;TickType_t <b>xTicksToWait </b>);

EventBits_t <b><font color="#64b5f6">xEventGroupSync</font></b>( EventGroupHandle_t <b>xEventGroup</b>,&nbsp;<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; const EventBits_t <b>uxBitsToSet</b>,&nbsp; &nbsp; //要设置哪些事件？<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; const EventBits_t <b>uxBitsToWaitFor</b>,<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; TickType_t <b>xTicksToWait </b>)