node-card-capture/README.md

launches a child process in python to read from the magtek reader directly and returns the raw track data

# Node Card Capture

This runs a node `child_process` that executes a python program which
listens in on a magtek card reader and returns the raw track data

### New

Added support for Synchronous and Asynchronous calls

# How to make it work

In order to make this work we need 3 things

* [MagTek Card Swiper](https://www.amazon.com/Magnetic-Stripe-Swipe-Card-Reader/dp/B001876VG6)
* at least Python 2.7 installed with python libraries installed as well
* this npm package

# Installation
```bash
$ sudo apt-get install libusb-1.0-0   
$ sudo -H pip install pyusb --pre --upgrade   
$ npm install node-card-capture   
```

# Usage

```javascript
var cardCapture       = require('node-card-capture').cardCapture
var cardCaptureSync   = require('node-card-capture').cardCaptureSync

// Synchronous call aka Stops everything until it's done
var trackdata = cardCaptureSync()
console.log(trackdata)

// Asynchronous call aka will return when done and is non blocking
cardCapture(function(trackdata){
    console.log(trackdata)
})

```