linux-openwrt-fatbox-g3-c.md

platform	device	language
linux 3.0.35 openwrt	fatbox g3	c

Configure FATBOX G3 as a LTE device gateway for Azure IoT

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Table of Contents

• Introduction
• Step 1: Prerequisites
• Step 2: Prepare your Device
• Step 3: Test the IoT client

Introduction

About this document

This document describes how to configure FATBOX G3 as device gateway for Azure IoT with Azure IoT SDK. This multi-step process includes:

• Configuring Azure IoT Hub
• Registering your IoT device
• Test your device

FATBOX G3

An industrial LTE gateway device to allow secure remote monitoring and management of industrial equipment with Modbus RTU, Modbus TCP, RS-485 or CAN bus using the Azure IoT platform.

Step 1: Prerequisites

You should have the following items ready before beginning the process:

• Setup your IoT hub
• Provision your device and get its credentials
• FATBOX G3 device
• Save your device connection string into a text file named connstr.txt. It will be used to setup and configure your FATBOX G3 as a secure device to connect to your IoT Hub.

Step 2: Prepare your Device

• Login to your FATBOX G3 using the LAN port.

  We suggest 2 ways to upload your unique Azure IoT Hub device connection string to your FATBOX.

  1. Using a USB drive (with micro USB connector)
     • Copy the connstr.txt file into your USB drive /user folder.

  • Insert USB drive into FATBOX G3's USB port in the rear.

    • From 'Management', click on 'Download to FATBOX' and check that 'OK' led on FATBOX blinks once.

    

  2. Using SCP or WINSCP over Ethernet connection
     • Enable SSH on the FATBOX (reboot after 'Update').
  • Use SCP or WINSCP to transfer the connstr.txt from your computer to the FATBOX /user folder.

• In the FATBOX G3 'Azure IoT' menu, enable the Azure IoT device client option.

      ![](media/fatbox_enable_device_client.png)
  

Step 3: Test the IoT client

3.1 Send Device Events to IoT Hub:

• SSH to the FATBOX (using root and password as setup in your LOGIN).
• Create or copy a few lines of 'test data' into the /tmp/dataq.txt file.
• Run the /etc/M2MBOT in the FATBOX.
• 'Test data' will be sent line by line by the IoT client to your Azure IoT Hub
• See Manage IoT Hub to learn how to observe the messages IoT Hub receives from the application.

3.2 Receive messages from IoT Hub

• See Manage IoT Hub to learn how to send cloud-to-device messages to the application.