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# QshellReq (UORB message)

**TOPICS:** qshell_req

## Fields

| 参数名                                                                    | 类型          | Unit [Frame] | Range/Enum | 描述                                                        |
| ---------------------------------------------------------------------- | ----------- | ---------------------------------------------------------------- | ---------- | --------------------------------------------------------- |
| <a id="fld_timestamp"></a>timestamp                                    | `uint64`    |                                                                  |            | time since system start (microseconds) |
| <a id="fld_cmd"></a>cmd                                                | `char[100]` |                                                                  |            |                                                           |
| <a id="fld_strlen"></a>strlen                                          | `uint32`    |                                                                  |            |                                                           |
| <a id="fld_request_sequence"></a>request_sequence | `uint32`    |                                                                  |            |                                                           |

## Constants

| 参数名                                                      | 类型       | 值   | 描述 |
| -------------------------------------------------------- | -------- | --- | -- |
| <a id="#MAX_STRLEN"></a> MAX_STRLEN | `uint32` | 100 |    |

## Source Message

[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/QshellReq.msg)

:::details
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```c
uint64 timestamp		# time since system start (microseconds)
char[100] cmd
uint32 MAX_STRLEN = 100
uint32 strlen
uint32 request_sequence
```

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