ZigStar LAN Gateway - Firmware

This firmware delevoped to use with ZigStar LAN Gateway

Functions

• Zigbee UART port forwarding using socket LAN connection
• MQTT connection to view states and contorl ESP32
• Restarting Zigbee and enabling Zigbee BSL via webpage and MQTT
• ESP32 firmware update via webpage
• Automatic switching to Wi-Fi network when RJ45 is disconnected - "Emergency mode"
• If no Wi-Fi network is available, the hotspot will be configured

MQTT

Topics

ZigStarGW-XXXX/avty

Contains the current state of the gateway connection to the MQTT broker.
When a connection is established, the payload online is published.

Using the Last Will and Testament (LWT) mechanism, if the connection is broken,
the MQTT broker will publish offline payload within 30 seconds.

ZigStarGW-XXXX/state

Contains information about the gateway. Publish every N seconds. It is set in the MQTT setting - "Update interval".
Payload example:
{"uptime":"0 d 00:00:08","temperature":"45.67","ip":"10.0.10.130","emergencyMode":"ON","hostname":"ZigStarGW"}

ZigStarGW-XXXX/cmd

Publishing messages to this topic allows you to control your gateway via MQTT. Possible commands:
{cmd:"rst_zig"} - restart Zigbee module
{cmd:"rst_esp"} - restart ESP32
{cmd:"enbl_bsl"} - enable BSL in Zigbee module

ZigStarGW-XXXX/io/rst_zig, rst_esp, enbl_bsl, emrgncMd

Status topics contain the current state of various operating modes of the gateway.
Possible states: ON or OFF

Auto Discovery There is also a MQTT AutoDiscovery function. The following entities are available: homeassistant/sensor/* Uptime IP CPU temperature Hostname homeassistant/binary_sensor/* Socket Emergency mode homeassistant/switch/* Restart ESP Restart Zigbee Enable BSL In the Home Assistant, in the device information section, the board model and software version will also be available.

Development

Project's build environment is based on PlatformIO. So just open platformio.ini using it.

After build PlatformIO will generate 2 file in bin folder: ZigStarGW_v*...full.bin - with integrated bootloader and partitions table bin/ZigStarGW.bin - just firmware.

Version increment made automatically by using version_increment_pre.py calling from PlatformIO and version_increment_post.py calling while Git pre commit. Use make_git_hook.sh to made it automatically.

You can not simply edit Web UI files because you will need to convert them to C arrays, which can be done automatically by a gulp script that can be found in tools/webfilesbuilder directory.

If you want to edit Web UI you will need:

• NodeJS
• npm (comes with NodeJS installer)
• Gulp (can be installed with npm)

Gulp script also minifies CSS and JS files and compresses (gzip) them.

To minify and compress the frontend, enter the folder tools/webfilesbuilder and:

• Run npm install to install dependencies
• Run npx gulp to compress the web UI to make it ready for the ESP
  cd

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Thanks

Base code was taken from ZiGate-Ethernet

Some ideas and code snippets was taken from esp-rfid