| Abstrakt: | Embedded components of project Deadlock are devices responsible for authentication of users (using e.g. RFID cards, PINs, ...) and control of number of Points of Access (e.g. doors, printers, ...). There are two main types of embedded components: Reader and Controller. These devices communicate with the Deadlock Server, forming a complete Deadlock System. They are designed to be reliable, modular, maintainable and easy to produce. They are well documented, fully open-source and open-hardware.
This thesis will first describe the architecture of the Project Deadlock. Then hardware design of Reader and Controller is described. It then focuses on the implementation of firmware for the Reader component. Next, communication interfaces and protocols used by Reader and Controller are described, followed by the description of implementation of Controller firmware.
Finally, we explain software testing methodology used during development. We conclude with the summary of achieved results.
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