C++ interface to an existing COM library, with HTTP client, to run as a Windows service.

I am writing an application to run on a kiosk that has been sourced from a third party manufacturer of kiosks. ([login to view URL]).

The kiosk contains various hardware but of interest to this project is the bill acceptor and door switches. The kiosk comes with a software library call TABIO which includes several COM components that expose various interfaces and fire events based on actions such as the user inserting a banknote into the bill acceptor, or opening an access door on the kiosk. I can supply the SDK which includes a module for mocking the bill acceptor and door switches for development purposes.

In order to interface my kiosk software with the TABIO COM library, I require a translation layer to be written which will interface to the TABIO COM objects, receive events from the COM objects and send to my webserver (running on the same machine) as HTTP GET with query strings, receive the reply as JSON, and translate the reply and send to the COM object.

Main features:

- To be written in C++ or C# and run as a Windows service.

- Includes an HTTP client that can make simple GET requests on a pre-agreed port on the local machine.

- Connects to two COM interfaces of the TABIO library (bill acceptor, and door switches).

- Queries the library at startup to obtain data such as machine serial number and bill acceptor values for each channel.

- Sends a simple notification to the HTTP server when a door switch state changes.

- Sends a notification when a banknote is inserted into the bill acceptor, and waits for the reply (JSON), parses the JSON, and based on a boolean value, signals the bill acceptor to accept or reject the banknote.

- Sends errors and other notifications received from the bill acceptor (such as cashbox full).

The attached document contains more detail.

Skills: C Programming, C# Programming, C++ Programming

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About the Employer:
( 1 review ) Wheeler Heights, Australia

Project ID: #17706858

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Hey there! I can write this in C#. I'm experienced in building Windows Services and working with COM objects. I know C++ as well but will take more time to be implemented as it's much more native. About notifying the More

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38 freelancers are bidding on average $1303 for this job


Hello I am expert in C++ programming, COM, OLE, Windows API and Microsoft Visual Studio. It's my main specialisation.. Also, I am familiar with HTTP requests, JSON, REST APIs, and creating Windows Services. I am ex More

$750 AUD in 20 days
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Hi I have developed several Kiosk applications with payment integration. I will develop a Windows service using C# and it will have all functions including COM interface and HTTP requests. I have rich experience in More

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Hello, My idea is making this using .Net and C#, completely managed. Since the TABIO SDK supplies COM object(s), it is really easy to consume it in C#. I have been working and creating COM objects for the past 14+ y More

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hi. I'm communication systems engineer by qualification, having 5+ years of experience in C# and a lot of hardware interfacing. I have used similar COM libraries, originally written in C++. I can build a wrapper in C#, More

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Hi there, I have read the details I am experienced with C Programming, C# Programming, C++ Programming. I can help you with this job, Please come to chat so we can discuss this job.

$1500 AUD in 20 days
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- Can implement in C++ for robustness and a small memory footprint - Can use Wininet or libCURL or pure winsockets for the HTTP client. - Have extensive experience in COM, HTTP clients/servers, JSON and Windows serv More

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I will develop Application with communicating on different COM Interface and display result based on JSON data with formatting and generating GUI suitable for the kiosk. I am familiar with the request and response with More

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Hi there, This is Smithangshu. I am extremely sure about it that I can develop the C#.Net Application to handle Kiosk operations for you. I am very interested to develop your project if you kindly allow me. I am More

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Hi, I am an expert in C++ and C#, and I have developed multiple projects involving JSON integration in the past, as well as coin/bills acceptor hardwas (I have worked with iSocket library, not yours but I have in mi More

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Hello, you are with the right bidder because I already done a similar program that translate Htpp Request using .Net Web Api to a C++ Program and I can show you a demo for it. I'm a web and desktop developer with 8 More

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Hello, I read your project description posted. I am a C++ interface to an existing COM library, expert and have plenty of experience of it. However, I'd like to discuss more detail with you now.;,. I am free to wor More

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This project will be fairly simple to complete with C# due to its networking and JSON support. Areas of this project I am familiar with: -HTTP requests -JSON parsing -Windows specific programming A project I r More

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