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# hololink::emulation::DPSensorRegisters

> Per-sensor register slice. One instance per unique sensor_id, shared by every DataPlane instance that targets that sensor. Holds the vp_data registers (DP_QP, DP_RKEY, DP_PAGE_*, DP_BUFFER_LENGTH, DP_HOST_MAC/IP/UDP_PORT, ...) the host writes per stream.

Per-sensor register slice. One instance per unique sensor_id, shared by every [DataPlane](/holoscan/sensor-bridge/2-7/api-reference/emulation-api/classes/dataplane) instance that targets that sensor. Holds the vp_data registers (DP_QP, DP_RKEY, DP_PAGE\_\*, DP_BUFFER_LENGTH, DP_HOST_MAC/IP/UDP_PORT, ...) the host writes per stream.

```cpp showLineNumbers={false}
#include <hololink/emulation/data_plane.hpp>
```

---

## Member variables

| Name                     | Type       | Description |
| ------------------------ | ---------- | ----------- |
| `vp_data`                | `uint32_t` |             |
| `vp_address`             | `uint32_t` |             |
| `sif_address`            | `uint32_t` |             |
| `packetizer_mode`        | `uint32_t` |             |
| `packetizer_ram_pointer` | `uint32_t` |             |
| `packetizer_ram`         | `uint32_t` |             |