Web-based Approach for Client Serial-port Communication Using Asp.net

It is popular to develop a stand-alone application to access serial-port devices through ready programming interfaces in popular programming languages because the application and the device exist in one box. However, the web-based application architecture is different where it is required, for some applications, to integrate a functionality of client serial port communication (e.g. accessing customer display devices connected to client computers). We introduce in this paper, to the best of our knowledge, a new approach to perform serialport communication on client devices from a dynamic web application implemented using ASP.NET technology. The proposed approach constructs specialized component to be installed into both the web server and the client. The client component is responsible for dealing with security restrictions safely to access client’s resources through a web application. As a case study, we discuss customer display device plugged into the client. Those devices are controlled through a web application to print data-driven values from database.