# Zigbee middleware code organization
<a name="managedintegrations-sdk-middleware-zigbee"></a>

The following shows the Zigbee reference middleware code organization.

**Topics**
+ [ACS Zigbee DPK](#managedintegrations-sdk-middleware-zigbeedpk)
+ [Silicon Labs Zigbee SDK](#managedintegrations-sdk-middleware-silabssdk)
+ [ACS Zigbee Service](#managedintegrations-sdk-middleware-zigbeesvc)
+ [ACS Zigbee Adaptor](#managedintegrations-sdk-middleware-zigbeeadaptor)

## ACS Zigbee DPK
<a name="managedintegrations-sdk-middleware-zigbeedpk"></a>

The code for Zigbee DPK is located inside the directory listed in the example below:

```
./IotManagedIntegrationsDeviceSDK-Middleware/{{example}}-iot-ace-dpk/{{example}}/dpk/ace_hal/
|— common
|—   |— fxnDbusClient
|—   |— include
|— kvs
|— log
|— wifi
|—   |— include
|—   |— src
|—   |— wifid
|—       |— fxnWifiClient
|—       |— include
|— zibgee
|—   |— include
|—   |— src
|—   |— zigbeed
|—       |— ember
|—       |— include
|— zwave
|—   |— include
|—   |— src
|—   |— zwaved
|—       |— fxnZwaveClient
|—       |— include
|—       |— zware
```

## Silicon Labs Zigbee SDK
<a name="managedintegrations-sdk-middleware-silabssdk"></a>

The Silicon Labs SDK is presented inside the `IotManagedIntegrationsDeviceSDK-Middleware/{{example}}-iot-ace-z3-gateway` folder. This ACS Zigbee DPK layer is implemented for this Silicon Labs SDK.

```
./IotManagedIntegrationsDeviceSDK-Middleware/{{example}}-iot-ace-zz3-gateway/
|— autogen
|— config
|— gecko_sdk_4.3.2
|—   |— platform
|—   |— protocol
|—   |— util
```

## ACS Zigbee Service
<a name="managedintegrations-sdk-middleware-zigbeesvc"></a>

The code for the Zigbee Service is located inside the `IotManagedIntegrationsDeviceSDK-Middleware/{{example}}-iot-ace-general/middleware/zigbee/` folder. The `src` and `include` subfolders at this location contain all the files related to the ACS Zigbee service.

```
IotManagedIntegrationsDeviceSDK-Middleware/{{example}}-iot-ace-general/middleware/zigbee/src/
|— zb_alloc.c
|— zb_callbacks.c
|— zb_database.c
|— zb_discovery.c
|— zb_log.c
|— zb_main.c
|— zb_region_info.c
|— zb_server.c
|— zb_svc.c
|— zb_svc_pwr.c
|— zb_timer.c
|— zb_util.c
|— zb_zdo.c
|— zb_zts.c
IotManagedIntegrationsDeviceSDK-Middleware/{{example}}-iot-ace-general/middleware/zigbee/include/
|— init.zigbeeservice.rc
|— zb_ace_log_uml.h
|— zb_alloc.h
|— zb_callbacks.h
|— zb_client_aipc.h
|— zb_client_event_handler.h
|— zb_database.h
|— zb_discovery.h
|— zb_log.h
|— zb_region_info.h
|— zb_server.h
|— zb_svc.h
|— zb_svc_pwr.h
|— zb_timer.h
|— zb_util.h
|— zb_zdo.h
|— zb_zts.h
```

## ACS Zigbee Adaptor
<a name="managedintegrations-sdk-middleware-zigbeeadaptor"></a>

The code for the ACS Zigbee Adaptor is located inside the `IotManagedIntegrationsDeviceSDK-Middleware/{{example}}-iot-ace-general/middleware/zigbee/api` folder. The `src` and `include` subfolders at this location contain all the files related to the ACS Zigbee Adaptor library.

```
IotManagedIntegrationsDeviceSDK-Middleware/{{example}}-iot-ace-general/middleware/zigbee/api/src/
|— zb_client_aipc.c
|— zb_client_api.c
|— zb_client_event_handler.c
|— zb_client_zcl.c
IotManagedIntegrationsDeviceSDK-Middleware/{{example}}-iot-ace-general/middleware/zigbee/api/include/
|— ace
|—   |— zb_adapter.h
|—   |— zb_command.h
|—   |— zb_network.h
|—   |— zb_types.h
|—   |— zb_zcl.h
|—   |— zb_zcl_cmd.h
|—   |— zb_zcl_color_control.h
|—   |— zb_zcl_hvac.h
|—   |— zb_zcl_id.h
|—   |— zb_zcl_identify.h
|—   |— zb_zcl_level.h
|—   |— zb_zcl_measure_and_sensing.h
|—   |— zb_zcl_onoff.h
|—   |— zb_zcl_power.h
```