7、任务通知

<font color="#ff00ff">typedef struct</font> <font color="#64b5f6"><b>tskTaskControlBlock</b></font><br>{<br>......<br>/* configTASK_NOTIFICATION_ARRAY_ENTRIES = 1 */<br><font color="#7b1fa2">volatile </font><b><font color="#00ffff">uint32_t </font>ulNotifiedValue[ configTASK_NOTIFICATION_ARRAY_ENTRIES ];&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;//</b>通知值<br><font color="#7b1fa2">volatile </font><b><font color="#00ffff">uint8_t </font>ucNotifyState[ configTASK_NOTIFICATION_ARRAY_ENTRIES ];&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //</b>通知状态<br>......<br>} tskTCB

<b>taskNOT_WAITING_NOTIFICATION</b>：任务没有在等待通知

<b>taskWAITING_NOTIFICATION</b>：任务在等待通知

<b>taskNOTIFICATION_RECEIVED</b>：任务接收到了通知，也被称为pending

计数值

位

任意数值

BaseType_t <b><font color="#64b5f6">xTaskNotifyGive</font></b>( TaskHandle_t <b>xTaskToNotify </b>);<br>

void <b><font color="#64b5f6">vTaskNotifyGiveFromISR</font></b>( TaskHandle_t <b>xTaskHandle</b>,&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;BaseType_t&nbsp;*<b>pxHigherPriorityTaskWoken </b>);<br>

uint32_t <b><font color="#64b5f6">ulTaskNotifyTake</font></b>( BaseType_t <b>xClearCountOnExit</b>, TickType_t <b>xTicksToWait</b>)

BaseType_t <b><font color="#64b5f6">xTaskNotify</font></b>( TaskHandle_t <b>xTaskToNotify</b>,&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; uint32_t <b>ulValue</b>,<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; eNotifyAction <b>eAction </b>);<br>

BaseType_t <b><font color="#64b5f6">xTaskNotifyFromISR</font></b>( TaskHandle_t <b>xTaskToNotify</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;uint32_t <b>ulValue</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; eNotifyAction <b>eAction</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; BaseType_t *<b>pxHigherPriorityTaskWoken</b> );

BaseType_t <b><font color="#64b5f6">xTaskNotifyWait</font></b>( uint32_t <b>ulBitsToClearOnEntry</b>,<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;uint32_t <b>ulBitsToClearOnExit</b>,<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;uint32_t *<b>pulNotificationValue</b>,<br>&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>)