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docs/en/msg_docs/SystemPower.md
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@@ -1,8 +1,48 @@
---
pageClass: is-wide-page
---
# SystemPower (UORB message)
**TOPICS:** system_power
## Fields
[source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/SystemPower.msg)
| Name | Type | Unit [Frame] | Range/Enum | Description |
| ------------------ | ------------ | ------------ | ---------- | --------------------------------------------- |
| timestamp | `uint64` | | | time since system start (microseconds) |
| voltage5v_v | `float32` | | | peripheral 5V rail voltage |
| voltage_payload_v | `float32` | | | payload rail voltage |
| sensors3v3 | `float32[4]` | | | Sensors 3V3 rail voltage |
| sensors3v3_valid | `uint8` | | | Sensors 3V3 rail voltage was read (bitfield). |
| usb_connected | `uint8` | | | USB is connected when 1 |
| brick_valid | `uint8` | | | brick bits power is good when bit 1 |
| usb_valid | `uint8` | | | USB is valid when 1 |
| servo_valid | `uint8` | | | servo power is good when 1 |
| periph_5v_oc | `uint8` | | | peripheral overcurrent when 1 |
| hipower_5v_oc | `uint8` | | | high power peripheral overcurrent when 1 |
| comp_5v_valid | `uint8` | | | 5V to companion valid |
| can1_gps1_5v_valid | `uint8` | | | 5V for CAN1/GPS1 valid |
| payload_v_valid | `uint8` | | | payload rail voltage is valid |
## Constants
| Name | Type | Value | Description |
| ------------------------------------------------------- | ------- | ----- | ----------- |
| <a href="#BRICK1_VALID_SHIFTS"></a> BRICK1_VALID_SHIFTS | `uint8` | 0 |
| <a href="#BRICK1_VALID_MASK"></a> BRICK1_VALID_MASK | `uint8` | 1 |
| <a href="#BRICK2_VALID_SHIFTS"></a> BRICK2_VALID_SHIFTS | `uint8` | 1 |
| <a href="#BRICK2_VALID_MASK"></a> BRICK2_VALID_MASK | `uint8` | 2 |
| <a href="#BRICK3_VALID_SHIFTS"></a> BRICK3_VALID_SHIFTS | `uint8` | 2 |
| <a href="#BRICK3_VALID_MASK"></a> BRICK3_VALID_MASK | `uint8` | 4 |
| <a href="#BRICK4_VALID_SHIFTS"></a> BRICK4_VALID_SHIFTS | `uint8` | 3 |
| <a href="#BRICK4_VALID_MASK"></a> BRICK4_VALID_MASK | `uint8` | 8 |
## Source Message
[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/SystemPower.msg)
::: details Click here to see original file
```c
uint64 timestamp # time since system start (microseconds)
@@ -28,5 +68,6 @@ uint8 BRICK3_VALID_SHIFTS=2
uint8 BRICK3_VALID_MASK=4
uint8 BRICK4_VALID_SHIFTS=3
uint8 BRICK4_VALID_MASK=8
```
:::