# swtmr - [Command Function](#section166171064814) - [Syntax](#section424011111682) - [Parameters](#section1268410459465) - [Usage](#section169806213815) - [Example](#section16676026389) - [Output](#section1541991614710) ## Command Function This command is used to query information about system software timers. ## Syntax swtmr \[_ID_\] ## Parameters **Table 1** Parameter description

Parameter

Description

Value Range

ID

Specifies the ID of a software timer.

[0,0xFFFFFFFF]

## Usage - If no parameter is specified, information about all software timers is displayed. - If the **ID** parameter is specified, information about the specified software timer is displayed. ## Example Run **swtmr** and **swtmr 1**. ## Output **Figure 1** Querying information about all software timers ![](figure/querying-information-about-all-software-timers.png "querying-information-about-all-software-timers") **Figure 2** Querying information about software timer 1 ![](figure/querying-information-about-software-timer-1.png "querying-information-about-software-timer-1") **Table 2** Output

Parameter

Description

SwTmrID

ID of the software timer

State

Status of the software timer

The value can be UnUsed, Created, or Ticking.

Mode

Mode of the software timer

The value can be Once, Period, or NSD (one-shot timer that will not be automatically deleted after the timer has expired).

Interval

Number of ticks used by the software timer

Count

Number of times that the software timer has been used

Arg

Input parameter passed

handlerAddr

Callback address

>![](../public_sys-resources/icon-note.gif) **NOTE:** >- The **ID** value can be in decimal or hexadecimal format. >- If the **ID** value is within the range of \[0, _Number of current software timers - 1_\], the status of the specified software timer is returned. For other values, an error message is displayed.