Gixie Clock Control

Reimplementation of gixie-bright-control in Zig.

How to use

• create config.json

{
  // gixie clock websocket server
  "clock": {
    "host": "127.0.0.1",
    "port": 81
  },
  // to calculate of sunrise and sunset
  "position": {
    "latitude": 59.33258,
    "longitude": 18.06490,
    "elevation": 0,
    "timezone": 0
  },
  "control": {
    // nighttime brightness
    "min": 10,
    // daytime brightness
    "max": 250,
    // smooth transition step
    "step": 10
  }
}

• calculate sunrise and sunset

$ zig build run -- suninfo

• get/set gixie clock brightness

$ zig build run -- get
$ zig build run -- set 250

Build for ARM

$ zig build -Darm=true -Doptimize=ReleaseSmall
# optional
$ upx -9 zig-out/bin/control

How to get clock websocket command

• install Gixie Clock app
• install Wireshark
• configure router for Packet Sniffer
• run and sniff