Added provisioning and firmware update examples

examples/device/client_provisioning.py

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+#  Copyright 2025 ThingsBoard
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+# Example script to device provisioning using the DeviceClient
+
+import asyncio
+from random import randint
+
+from tb_mqtt_client.entities.data.provisioning_request import AccessTokenProvisioningCredentials, ProvisioningRequest
+from tb_mqtt_client.entities.data.timeseries_entry import TimeseriesEntry
+from tb_mqtt_client.service.device.client import DeviceClient
+
+
+async def main():
+    provisioning_credentials = AccessTokenProvisioningCredentials(
+        provision_device_key='YOUR_PROVISION_DEVICE_KEY',
+        provision_device_secret='YOUR_PROVISION_DEVICE_SECRET',
+    )
+    provisioning_request = ProvisioningRequest('localhost', credentials=provisioning_credentials)
+    provisioning_response = await DeviceClient.provision(provisioning_request)
+
+    if provisioning_response.error is not None:
+        print(f"Provisioning failed: {provisioning_response.error}")
+        return
+
+    print('Provisined device config: ', provisioning_response)
+
+    # Create a DeviceClient instance with the provisioned device config
+    client = DeviceClient(provisioning_response.result)
+    await client.connect()
+
+    # Send single telemetry entry to provisioned device
+    await client.send_telemetry(TimeseriesEntry("batteryLevel", randint(0, 100)))
+
+    await client.stop()
+
+
+if __name__ == "__main__":
+    asyncio.run(main())

examples/device/firmware_update.py

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+#  Copyright 2025 ThingsBoard
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+# Example script to update firmware using the DeviceClient
+
+import asyncio
+from time import monotonic
+
+from tb_mqtt_client.common.config_loader import DeviceConfig
+from tb_mqtt_client.service.device.client import DeviceClient
+
+
+firmware_received = asyncio.Event()
+firmware_update_timeout = 30
+
+
+async def firmware_update_callback(_, payload):
+    print(f"Firmware update payload received: {payload}")
+    firmware_received.set()
+
+
+async def main():
+    config = DeviceConfig()
+    config.host = "localhost"
+    config.access_token = "YOUR_ACCESS_TOKEN"
+
+    client = DeviceClient(config)
+    await client.connect()
+
+    await client.update_firmware(on_received_callback=firmware_update_callback)
+
+    update_started = monotonic()
+    while not firmware_received.is_set() and monotonic() - update_started < firmware_update_timeout:
+        await asyncio.sleep(1)
+
+    await client.stop()
+
+
+if __name__ == "__main__":
+    asyncio.run(main())