# ufr-online-nodejs-websocket-master-mode-server
Node.js WebSocket Master mode Server example.
 
## Install

$ npm install --save ws express

## Run

Put uFR Online Reader in Master mode and enter Server URL.

Run server using: $ npm start

Put card on reader and wait for beep and green light.

## uFR Class usage

Create uFR class object **const uFR = new uFRClass();**

On WebSocket message event call **uFR.setRequest(data);** where **data** is incoming message.

Optional get incoming parameters for example card UID **uFR.getCardId**

Set response action for example Beep signal **uFR.readerUISignal(uFR.UFR1, 1,1);**

Get generated outgoing message using **uFR.getResponse** and send to uFR Online using WebSocket client for example **ws.send(uFR.getResponse);**

## uFR Class public methods

**getSerialNumber** - Returns uFR NFC reader serial number

**getOnlineSerialNumber** - Returns uFR Online serial number

**getCardId** - Returns Card UID

**getReader** - Returns 1 if internal reader is used or 2 if external.

**readerUISignal(readerNumber, light, beep)** - Set Reader User interface signal

**setTemplate(readerNumber, template)** - Set Barrier control template (not used for uFR Online)

**lockOpen(readerNumber, lockNumber, duration)** - Open Barrier control lock (not used for uFR Online)

**dlioOpen(readerNumber, lockNumber)** - Open DLIO lock (not used for uFR Online)

**ledRingRGB(readerNumber, red, green, blue)** - Turn on uFR NFC reader RGB ring, all LEDs same color (if connected)

**ledRingArray(readerNumber, array)** - Turn on uFR NFC reader RGB ring, supported up to 24 LEDs (if connected)

**onlineRGB(readerNumber, red, green, blue, duration)** - Turn on uFR Online internal RGB LEDs. Both LEDs same color

**onlineRGBDual(readerNumber, red, green, blue, red1, green1, blue1, duration)** - Turn on uFR Online internal RGB LEDs. LEDs colors separated

**gpioControl(readerNumber, gpio, state)** - Set external uFR Online GPIO state (0 - LOW, 1 - HIGH, 2 - INPUT)

**blinkingControl(readerNumber, state)** - Turn off/on uFR NFC reader blinking LEDs

**pause(readerNumber, duration)** - Add pause between commands.

## ReaderNumber parameter 

**uFR.ONLINE** - Send command to uFR Online 

**uFR.UFR1** - Send command to first connected uFR NFC reader

**uFR.UFR2** - Send command to second (external) connected uFR NFC reader

**uFR.BARRIER** - Send command to barrier controller (if available)

**uFR.BARRIER** - Send command to DLIO controller (if available)