node-blink1-server

node-blink1-server

HTTP REST API server in Node for blink(1) devices

Supports plug and unplug of blink(1) while server is running.

Uses new node-hid@0.5.1 so works with Node 4.x.

Installation

Install globally and use on the commandline:

npm install -g node-blink1-server
blink1-server 8754   # starts server on port 8754

Or check out and use via npm:

git clone https://github.com/todbot/node-blink1-server.git
cd node-blink1-server
npm install
npm start 8754

Supported URIs:

• /blink1 -- status info about connected blink1s, lastColor, etc.
• /blink1/fadeToRGB -- fade blink(1) to a color. query args:
  • rgb -- hex color code (e.g. "#ff00ff") [required]
  • time -- fade time in seconds (default: 0.1)
  • ledn -- LED to control (0=both, 1=top, 2=bottom; default: 0)
• /blink1/blink -- blink a color, query args:
  • rgb -- hex color code (e.g. "#ff00ff") [required]
  • time -- fade & blink time in seconds (default: 0.1)
  • ledn -- LED to control (0=both, 1=top, 2=bottom; default: 0)
  • repeats -- number of times to blink (default: 3)
• /blink1/pattern -- blink a pattern of colors, query args:
  • rgb -- hex color codes separated by a comma (,) (e.g. "#ff00ff") [required]
  • time -- time in seconds between colors (default: 0.1)
  • repeats -- number of times to blink pattern (default: 3)
• /blink1/on -- turn blink(1) on to full-on white (#FFFFFF)
• /blink1/off -- turn blink(1) off (#000000)

Examples:

$ blink1-server 8754 &
$ curl 'http://localhost:8754/blink1'
{
    "blink1Connected": true,
    "blink1Serials": [
        "AB0026C1"
    ],
    "lastColor": "#FF0000",
    "lastTime": 1.5,
    "lastLedn": 0,
    "lastRepeats": 0,
    "cmd": "info",
    "status": "success"
}
$ curl 'http://localhost:8754/blink1/fadeToRGB?rgb=%230000ff&time=2.5&ledn=2'
{
    "blink1Connected": true,
    "blink1Serials": [
        "200026C1"
    ],
    "lastColor": "#0000ff",
    "lastTime": 2.5,
    "lastLedn": 2,
    "lastRepeats": 0,
    "cmd": "fadeToRGB",
    "status": "success"
}

$ curl  'http://localhost:8754/blink1/pattern?rgb=%23ff0000,%23ffffff,%230000ff&time=.2&repeats=8'
{
    "blink1Connected": true,
    "blink1Serials": [
        "200026C1"
    ],
    "time": 0.2,
    "colors": [
        "#ff0000",
        "#ffffff",
        "#0000ff"
    ],
    "repeats": 8,
    "cmd": "pattern",
    "status": "success"
}

debugging

% DEBUG=Blink1Service node main.js