# ESP32-S3 Bridge Example

This ESP-IDF example wires `dali_cpp` into a standalone application and demonstrates how to register strongly typed Modbus and BACnet bridge models.

## Environment

```bash
cd /Users/tonylu/StudioProjects/dalimaster/dali_cpp
. ./scripts/export_esp_idf.sh
```

## Build

```bash
cd /Users/tonylu/StudioProjects/dalimaster/dali_cpp/examples/esp32s3_bridge
idf.py set-target esp32s3
idf.py build
```

## What It Shows

- `DaliBridgeEngine` resolving model bindings.
- `BridgeProvisioningStore` loading and saving model/config state in NVS.
- `DaliModbusBridge` mapping Modbus TCP holding-register writes to DALI operations.
- `DaliBacnetBridge` mapping BACnet property writes to DALI brightness percentage updates.
- A simple Modbus TCP listener supporting write-single-register (`0x06`) and write-multiple-registers (`0x10`).
- Placeholder DALI gateway callbacks where you can connect your UART transport.

## Modbus Mapping Notes

- The example listens on port `1502` by default.
- Holding register `0` maps to bridge register `40001`.
- The default config is stored to NVS on first boot and reused on later boots.