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Digitale Messdatenverarbeitung mit Mikrorechnern | DMM
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Digitale Messdatenverarbeitung mit Mikrorechnern | DMM

Start: 7th April 2025
DMM Lecturer Semester Time Room
Lecture Prof. Dr. Meinhard Schilling summer semester Monday 9.45-11.15 AM R518
Excercise summer semester Monday 4.45-6.15 PM R414

Contents

The lecture begins with an introduction to the programming language C. The data structures and programming techniques typical for C are demonstrated with example programmes of digital signal processing:

  • Statistical treatment of measurement data: Confidence interval, Student factor
  • Interpolation of measurement data: polynomial, spline interpolation
  • Signal analysis: discrete (DFT) and fast (FFT) Fourier transformation
  • z-transformation: digital filters, correlation Simulation of a closed control loop, controller and controlled system as IIR and FIR filters.

In the first part of the lecture, a short introduction to the structure and programming of microcontrollers is given. Programming in the high-level language C and hardware-related programming in assembler are discussed using programming examples. The hardware used in the lecture is based on modern RISC controllers from Atmel, for which many examples and projects can be found on the Internet. Subsequently, various algorithms of digital signal processing are programmed in assembler and C.

Exercise DMM-AVR Board

In the exercise, development boards created at the institute based on an Atmel ATmega1284 microcontroller are used. With the help of this board, the students work on topics from the areas of signal processing and measurement data processing (e.g. digital filters, FFT, oscilloscope, etc.) as part of a semester project.

The development board has the following features:

  • ATmega1284 Microcontroller mit 128kB Flash und 16kB SRAM
  • 128x64 Pixel Grafik Display
  • 8 MBit externer Flash (SPI)
  • Audio in/out
  • Joystick
  • USB connection (programming of the µC via bootloader)
  • JTAG/ISP connection

The development boards are available to students as a kit on request.

Registration

for the lecture is activated here from

11.03. to 13.04.2025

Registration

for the exercise is activated here from

11.03. to 13.04.2025

Lecture slides, scripts, guest lectures etc.

Download | cloud.TU-Braunschweig

 

Mikrocontroller
DMM Board
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