FreeRTOS202212-定时器结构体

/*-----------------------------------------------------------*/
/* The definition of the timers themselves. */
/*定时器本身的定义*/
typedef struct tmrTimerControl	/* The old naming convention is used to prevent breaking kernel aware debuggers. */
					/*旧的命名约定用于防止破坏内核感知调试器*/
{
	const char * pcTimerName;                   	/*<< Text name.  This is not used by the kernel, it is included simply to make debugging easier. */ 
								/*lint !e971 Unqualified char types are allowed for strings and single characters only. */
								/*<<文本名称。内核不使用它，它只是为了让调试更容易。e971不合格的字符类型只允许用于字符串和单个字符*/

	ListItem_t xTimerListItem;                  	/*<< Standard linked list item as used by all kernel features for event management. */
								/*<<所有内核功能用于事件管理的标准链表项*/

	TickType_t xTimerPeriodInTicks;             	/*<< How quickly and often the timer expires. */
								/*<<定时器过期的速度和频率*/

	void * pvTimerID;                           	/*<< An ID to identify the timer.  This allows the timer to be identified when the same callback is used for multiple timers. */
								/*<<用于识别定时器的ID。这允许在同一回调用于多个定时器时识别定时器*/

	TimerCallbackFunction_t pxCallbackFunction; 	/*<< The function that will be called when the timer expires. */
								/*<<定时器到期时将调用的函数*/

	#if ( configUSE_TRACE_FACILITY == 1 )
		UBaseType_t uxTimerNumber;              	/*<< An ID assigned by trace tools such as FreeRTOS+Trace */
								/*<<FreeRTOS+trace等跟踪工具分配的ID*/
	#endif
	uint8_t ucStatus;                           	/*<< Holds bits to say if the timer was statically allocated or not, and if it is active or not. */
								/*<<保留位，表示计时器是否静态分配，以及它是否处于活动状态*/
} xTIMER;

/* The old xTIMER name is maintained above then typedefed to the new Timer_t name below to enable the use of older kernel aware debuggers. */
/*旧的xTIMER名称保持在上面，然后将其类型defed为下面的新Timer_t名称，以启用旧的内核感知调试器*/
typedef xTIMER Timer_t;