UAV-develop/PX4-Autopilot
1
0
Fork 0
mirror of https://github.com/PX4/PX4-Autopilot.git synced 2026-07-27 00:48:23 +08:00
Code Issues Packages Projects Releases Wiki Activity

docs: auto-sync metadata [skip ci]

Browse Source 
Co-Authored-By: PX4 BuildBot <bot@px4.io>
This commit is contained in:
PX4BuildBot
2026-02-11 22:43:01 +00:00
parent 01b348c86b
commit 36b5e1e1bb
374 changed files with 12147 additions and 1765 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
docs/en/msg_docs/RcChannels.md
View File

@@ -1,6 +1,65 @@
---
pageClass: is-wide-page
---
# RcChannels (UORB message)
[source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/RcChannels.msg)
**TOPICS:** rc_channels
## Fields
| Name | Type | Unit [Frame] | Range/Enum | Description |
| -------------------- | ------------- | ------------ | ---------- | ------------------------------------------------------------------ |
| timestamp | `uint64` | | | time since system start (microseconds) |
| timestamp_last_valid | `uint64` | | | Timestamp of last valid RC signal |
| channels | `float32[18]` | | | Scaled to -1..1 (throttle: 0..1) |
| channel_count | `uint8` | | | Number of valid channels |
| function | `int8[30]` | | | Functions mapping |
| rssi | `uint8` | | | Receive signal strength index |
| signal_lost | `bool` | | | Control signal lost, should be checked together with topic timeout |
| frame_drop_count | `uint32` | | | Number of dropped frames |
## Constants
| Name | Type | Value | Description |
| --------------------------------------------------------------------- | ------- | ----- | ----------- |
| <a href="#FUNCTION_THROTTLE"></a> FUNCTION_THROTTLE | `uint8` | 0 |
| <a href="#FUNCTION_ROLL"></a> FUNCTION_ROLL | `uint8` | 1 |
| <a href="#FUNCTION_PITCH"></a> FUNCTION_PITCH | `uint8` | 2 |
| <a href="#FUNCTION_YAW"></a> FUNCTION_YAW | `uint8` | 3 |
| <a href="#FUNCTION_RETURN"></a> FUNCTION_RETURN | `uint8` | 4 |
| <a href="#FUNCTION_LOITER"></a> FUNCTION_LOITER | `uint8` | 5 |
| <a href="#FUNCTION_OFFBOARD"></a> FUNCTION_OFFBOARD | `uint8` | 6 |
| <a href="#FUNCTION_FLAPS"></a> FUNCTION_FLAPS | `uint8` | 7 |
| <a href="#FUNCTION_AUX_1"></a> FUNCTION_AUX_1 | `uint8` | 8 |
| <a href="#FUNCTION_AUX_2"></a> FUNCTION_AUX_2 | `uint8` | 9 |
| <a href="#FUNCTION_AUX_3"></a> FUNCTION_AUX_3 | `uint8` | 10 |
| <a href="#FUNCTION_AUX_4"></a> FUNCTION_AUX_4 | `uint8` | 11 |
| <a href="#FUNCTION_AUX_5"></a> FUNCTION_AUX_5 | `uint8` | 12 |
| <a href="#FUNCTION_AUX_6"></a> FUNCTION_AUX_6 | `uint8` | 13 |
| <a href="#FUNCTION_PARAM_1"></a> FUNCTION_PARAM_1 | `uint8` | 14 |
| <a href="#FUNCTION_PARAM_2"></a> FUNCTION_PARAM_2 | `uint8` | 15 |
| <a href="#FUNCTION_PARAM_3_5"></a> FUNCTION_PARAM_3_5 | `uint8` | 16 |
| <a href="#FUNCTION_KILLSWITCH"></a> FUNCTION_KILLSWITCH | `uint8` | 17 |
| <a href="#FUNCTION_TRANSITION"></a> FUNCTION_TRANSITION | `uint8` | 18 |
| <a href="#FUNCTION_GEAR"></a> FUNCTION_GEAR | `uint8` | 19 |
| <a href="#FUNCTION_ARMSWITCH"></a> FUNCTION_ARMSWITCH | `uint8` | 20 |
| <a href="#FUNCTION_FLTBTN_SLOT_1"></a> FUNCTION_FLTBTN_SLOT_1 | `uint8` | 21 |
| <a href="#FUNCTION_FLTBTN_SLOT_2"></a> FUNCTION_FLTBTN_SLOT_2 | `uint8` | 22 |
| <a href="#FUNCTION_FLTBTN_SLOT_3"></a> FUNCTION_FLTBTN_SLOT_3 | `uint8` | 23 |
| <a href="#FUNCTION_FLTBTN_SLOT_4"></a> FUNCTION_FLTBTN_SLOT_4 | `uint8` | 24 |
| <a href="#FUNCTION_FLTBTN_SLOT_5"></a> FUNCTION_FLTBTN_SLOT_5 | `uint8` | 25 |
| <a href="#FUNCTION_FLTBTN_SLOT_6"></a> FUNCTION_FLTBTN_SLOT_6 | `uint8` | 26 |
| <a href="#FUNCTION_ENGAGE_MAIN_MOTOR"></a> FUNCTION_ENGAGE_MAIN_MOTOR | `uint8` | 27 |
| <a href="#FUNCTION_PAYLOAD_POWER"></a> FUNCTION_PAYLOAD_POWER | `uint8` | 28 |
| <a href="#FUNCTION_TERMINATION"></a> FUNCTION_TERMINATION | `uint8` | 29 |
| <a href="#FUNCTION_FLTBTN_SLOT_COUNT"></a> FUNCTION_FLTBTN_SLOT_COUNT | `uint8` | 6 |
## Source Message
[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/RcChannels.msg)
::: details Click here to see original file
```c
uint64 timestamp # time since system start (microseconds)
@@ -45,5 +104,6 @@ int8[30] function # Functions mapping
uint8 rssi # Receive signal strength index
bool signal_lost # Control signal lost, should be checked together with topic timeout
uint32 frame_drop_count # Number of dropped frames
```
:::