| Summary: | 碩士 === 元智大學 === 機械工程學系 === 91 === On conditions of low-transmission, high-security and no-transmission loss, the research was based on a microcontroller with a network interface to link Internet. It’s a full duplex to transmit commands and dynamic data and then ran the application on system. There were three modes of the device, which could collect the data or log, diagnose on system and monitor and control system remotely. Under these modes, the general-purpose embedded web server depended on the same structure of firmware. In firmware stakes, it comprised a function to link Internet without programming Internet protocols. The device provided HTTP socket when a system programmer called the function. Besides, it decreased the number of computers being used and reduced difficulty for system programmers. By the standard processes and examples, programmers developed the embedded web servers easily and quickly. Taking the network security into account, there was a user management system built in the firmware to limit the right of user. Through Internet, the web administrator would manage immediately. In order to preserve packets intercepted, the firmware included an interpreter translating the command from clients.
To extend the application of embedded web servers, the research contributed solutions to face different network structures and solved the insufficiency of IP address.
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