--- pageClass: is-wide-page --- # GpioIn (повідомлення UORB) GPIO mask and state. **TOPICS:** gpio_in ## Fields | Назва | Тип | Unit [Frame] | Range/Enum | Опис | | ------------------------------ | -------- | ---------------------------------------------------------------- | ---------- | --------------------------------------------------------- | | timestamp | `uint64` | | | time since system start (microseconds) | | device_id | `uint32` | | | Device id | | state | `uint32` | | | pin state mask | ## Constants | Назва | Тип | Значення | Опис | | -------------------------------------------------------------- | ------- | -------- | ---- | | MAX_INSTANCES | `uint8` | 8 | | ## Source Message [Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/GpioIn.msg) :::details Click here to see original file ```c # GPIO mask and state uint8 MAX_INSTANCES = 8 uint64 timestamp # time since system start (microseconds) uint32 device_id # Device id uint32 state # pin state mask ``` :::