--- pageClass: is-wide-page --- # PowerButtonState (UORB повідомлення) power button state notification message. **TOPICS:** power_button_state ## Fields | Назва | Тип | Unit [Frame] | Range/Enum | Опис | | --------- | -------- | ---------------------------------------------------------------- | ---------- | --------------------------------------------------------- | | timestamp | `uint64` | | | time since system start (microseconds) | | event | `uint8` | | | one of PWR_BUTTON_STATE_\* | ## Constants | Назва | Тип | Значення | Опис | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------- | -------- | ------------------------------------------------------------------------------------------ | | PWR_BUTTON_STATE_IDEL | `uint8` | 0 | Button went up without meeting shutdown button down time (delete event) | | PWR_BUTTON_STATE_DOWN | `uint8` | 1 | Button went Down | | PWR_BUTTON_STATE_UP | `uint8` | 2 | Button went Up | | PWR_BUTTON_STATE_REQUEST_SHUTDOWN | `uint8` | 3 | Button went Up after meeting shutdown button down time | ## Source Message [Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/PowerButtonState.msg) :::details Click here to see original file ```c # power button state notification message uint64 timestamp # time since system start (microseconds) uint8 PWR_BUTTON_STATE_IDEL = 0 # Button went up without meeting shutdown button down time (delete event) uint8 PWR_BUTTON_STATE_DOWN = 1 # Button went Down uint8 PWR_BUTTON_STATE_UP = 2 # Button went Up uint8 PWR_BUTTON_STATE_REQUEST_SHUTDOWN = 3 # Button went Up after meeting shutdown button down time uint8 event # one of PWR_BUTTON_STATE_* ``` :::