Embedded Systems 3

None

• The levels of plant automation
• Fields of application of field busses
• CAN-Bus and Profibus
• Selection of a field bus
• Peripheral units of microcontroller
• Selection of a microcontroller
• Power saving modes of microcontroller
• Start-up of a microcontroller system
• Memory test methods for RAM and ROM
• Lower layers of the OSI for wireless communication links with a focus on the physical and media access layer
• Fundamentals of RF wave propagation and modulation techniques
• Media access techniques employed in wireless protocols
• Examples of technical realizations of wireless protocols (e.g. WIFI, BT)
• Example implementation of a wireless stack in a microcontroller.
• Motivation and historic development of HDLs
• Syntax of a typical HDL
• Fundamental digital logic in HDL
• Verification of digital design using HDL test benches
• Simulation of HDL designs and test benches
• Types of PLDs and their properties
• Design flow of PLDs
• Synthesis of digital logic described by HDLs for a PLD
• Realization of small projects

The students can

• enumerate the classical application areas of field busses.
• explain the different layers of plant automation.
• explain the field busses CAN and Profibus inkluding their specific properties.
• reason the fields of application of these two busses based on their properties.
• explain the specific properties of the peripheral units of a microcontroller.
• choose a microcontroller for a given application.
• list and compare the power saving modes of a microcontroller.
• describe how the start-up-phase of a microcontroller shall be implemented.
• compare memory test methods and choose the appropriate one for a given application.
• describe the special properties of a wireless communication link based on the layer model (e.g. OSI).
• sketch fundamental properties of radio frequency wave propagation. - describe the physical layer of different wireless protocols.
• describe and discuss modulation techniques used in wireless links and their pros and cons.
• describe and discuss the techniques employed on the media access layer of wireless link.
• describe and discuss examples of technical realizations of wireless links (e.g. WIFI, Bluetooth, 802.15.4).
• use a wireless stack (e.g. Bluetooth low energy) to implement a wireless communication link on a microcontroller platform.
• list the historical development of HDLs. Example of typical HDLs are known.
• describe and discuss the application of HDLs in digital design.
• apply HDL to describe fundamental elements of digital logic based on HDL syntax knowledge.
• describe combinatorial and sequential logic (counters, decoder, state machines, digital filters or controllers).
• use HDL to define test benches that stimulate digital logic under test.
• employ simulator tools to simulate test benches and digital logic under test. - list different types of PLDs.
• describe internal resources of programmable logic devices.
• select a PLD for a given application based on its properties.
• describe the design flow of PLDs in detail.
• synthesize a HDL design for a PLD using the design tools. Elements of the digital logic can be identified on all levels of the design flow.
• employ PLDs to realize digital logic in small projects.

Interactive lectures, Self directed learning, Laboratory exercises, Practical project work.

Exam

Not applicable

• Schrom, Harald (2007): Optimiertes Feldbussystem. Entwurf und Realisierung eines integralen Low-Power, Low-Cost Feldbussystems. VDM Verlag Dr. Müller.
• Bormann, Alexander; Hilgenkamp, Ingo (2006): Industrielle Netze. Ethernet-Kommunikation für Automatisierungsanwendungen. Heidelberg: Hüthig (PRAXIS).
• Tse, David ; Viswanath, Pramod (2005): Fundamentals of wireless communication. Cambridge, UK: Cambridge University Press.
• Thomas, Donald ; Moorby, Philip (2008): The Verilog Hardware Description Language. 5th ed. 2002 edition. Springer.
• Ashenden, Peter J. (2011): The designer’s guide to VHDL. 3. ed. Amsterdam (u.a.): Morgan Kaufmann.
• Grout, Ian (2008): Digital systems design with FPGAs and CPLDs. Amsterdam (u.a.): Elsevier/Newnes.
• Brinkschulte, Uwe (2010): Mikrocontroller und Mikroprozessoren. Berlin, Heidelberg: Springer.

Face-to-face