Aquamaniac Home Control System (AqHomeControl)

Quickstart

Prerequisites

To compile the project the following software needs to be installed:

• gwenhywfar (general purpose library, also containing some development tools)
• avrasm (Opensource avr assembler)
• gcc (GNU C compiler)

Building

• download and unpack this project
• cd into the main folder
• create a build folder (e.g. "mkdir build")
• cd into that "build" folder
• configure package for building ("gwbuild -s ../")
• build autogenerated files ("gwbuild -p" and "gwbuild -Btm2builder")
• build project ("gwbuild -j NUM_OF_CPUS")
• install project ("sudo gwbuild -i")

Overview

See https://gitea.aqbanking.de/martin/aqhomecontrol/wiki for more information (in German).

The Aquamaniac Home automation/control system consists of multiple parts:

• nodes

  • small PCBs with AVR microcontrollers, for now:
    • AtTiny84
    • AtTiny85
    • AtTiny841
    • AtMega644
    • examples:
      • N28
      • N29
      • N30
  • decentralized, nodes just broadcast measured data over a two-wire communication network (clock/data), addresses are auto-assigned, no prior setup necessary, no central bottleneck or single point of failure
  • node types
    • environmental measuring (temperature, humidity, CO2 and others)
    • motion detection, door/window sensors
    • LED strip controllers
  • modular operating system written in AVR assembler
  • event-driven GUI for ATmega MCUs (work in progress)
  • driver modules for busses:
    • one-wire bus
    • two-wire-bus
    • SPI bus
    • UART
  • driver modules for devices/sensors (incomplete list):
    • DS18b20 sensors for temperature measurement
    • SI7021 sensors for temperature and humidity measurement
    • SGP_30 sensors for air quality measurement
    • ccs811 sensors for air quality measurement
    • SK6812 LED driver
    • ds3231 realtime clock module
    • I2C displays (work-in-progress)
    • SPI displays (work-in-progress)

• PC applications

  • aqhome-data
    • TCP data service receiving sensor data
  • aqhome-nodes
    • service receiving sensor data via inter-node bus from nodes and forwarding that data to aqhome-data
  • aqhome-mqttlog
    • service exchanging data between aqhome-data service and a mqtt server
  • aqhome-react
    • service reacting to data received by aqhome-data (home automation service)
  • aqhome-tool
    • tool to manipulate aqhome-data (e.g. edit devices and values, add data points, create graphs from aqhome-data)
    • tool to flash firmware for nodes, list nodes
  • aqhome-cgi
    • HTTP service for user interaction with aqhome-data