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Remote maintenance of the microcontroller systems
Vágner, Martin ; Hynčica, Ondřej (referee) ; Kučera, Pavel (advisor)
This thesis deals with methods of remote maintenance of microcontroller systems based on Atmel AVR family over the Ethernet interface and TCP/IP protocols. To create communication through TCP/IP, an embedded server NE-4100T is used. At the beginning, key features of the server and methods of handling with content of a program memory are discussed. The final solution is based on the bootloader method. It includes bootloader firmware and user program for PC. The hardware part covers design of interconnection electronics, DC-DC step down converter, real time clock and printed circuit board. The remote maintenance of program memory has been sucessfully solved, but the embedded server NE-4100T produces a problem with an auhentification without a sufficient solution.
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Communication SW ARION
Kaczmarczyk, Václav ; Kašík, Petr (referee) ; Zezulka, František (advisor)
The main goal of this thesis is creating diagnostic software for analyse communication via protocol ARION. That software would record and store communication data which can be analyzed late and also allows direct communication analysis in real time. Except that there will be visualization functions, for effective representation of data (stored or real-time recorded). This software can be used either by net developers or by end-users like easy visualization software. Next point is describing communication protocol ARION and create developer’s handbook. The practical part of this thesis consists of two points. The first one is developing simple device which allows communicating via protocol ARION. In second communication firmware for that device is written and tested.
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Diagnostic tool for SD card protocol
Frnka, Peter ; Macho, Tomáš (referee) ; Petyovský, Petr (advisor)
The objective of this diploma thesis is to design and implement a diagnostic tool for communication protocol of SD memory cards. The diagnostic tool will be able to monitor and interfere with communication of an SD memory card. The hardware implementation will be based on platform with Kinetis K66 microcontroller. A PC application designed for windows is also a part of diagnostic tool. There is a conclusion of the diagnostic tool limitation at the end of the thesis.
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Protection of highspeed communication systems
Smékal, David ; Martinásek, Zdeněk (referee) ; Hajný, Jan (advisor)
The diploma thesis deals with 128–bit AES data encryption and its implementation in FPGA network card using VHDL programming language. The theoretical part explains AES encryption and decryption, its individual steps and operating modes. Further was described the VHDL programming language, development environment Vivado, FPGA network card Combo–80G and configurable framework NetCOPE. The practical part is the implementation of AES–128 in VHDL. A simulation was used to eliminate errors, then the synthesis was performed. These steps were made using Vivado software. Last step of practical part was testing of synthesized firmware on COMBO–80G card. Total of 4 projects were implemented in FPGA card. Two of them were AES encryption and decryption with ECB mode and another two describe the encryption and decryption with CBC mode.
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Generic BIOS Update Mechanism for Linux
Mariščák, Igor ; Šimek, Václav (referee) ; Kašpárek, Tomáš (advisor)
This work provides overview of creating of a simple driver for the BIOS flash memory by accessing the physical computer memory. Although, the BIOS is one of a system's core components, there is no standardized update mechanism approach. Purpose of thesis is to create module driver by taking advantage of existing interface subsystem MTD, to suggest and implement driver for one specific device to Linux kernel operating system. Also explains technique allowing write access to registers of the flash memory with utilization of configuration file.
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Audiostimulation
Sobotková, Marika ; Walek, Petr (referee) ; Sekora, Jiří (advisor)
The aim of this bachelor thesis is to design a device for audio stimulation, which will be used during examination with functional magnetic resonance. The next aim is to familiarize readers with magnetic resonance and stimulation. Whole device is controlled by microcontroller from open-source platform Arduino, model Due. Hardware is based on a non-soldering contact field. There is also draft of printed circuit board. Software is represented by flowcharts. Algorithm is designed and realized in wiring Arduino's library (which belongs to Arduino). Microcontroller is controlled by graphical user interface made by MATLAB.
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Testing equipment for small electrical motors and linear actuators
Červínek, David ; Vejlupek, Josef (referee) ; Grepl, Robert (advisor)
Aktuální postup testování je příliš zdlouhavý a nepřesný, zároveň není měření některých vlastností motoru vůbec možné. Hlavním úkolem zařízení je zrychlení a zjednodušení procesu testování spolu s možností otestovat všechny vlastnosti motorů. Realizace zařízení začala definováním požadavků zákazníka, dalším krokem byla analýza daných požadavků a návrh zařízení. Následovala výroba a programovaní firmwaru spolu se softwarem. Výsledkem práce je funkční přístroj schopný automatického testování sedmi základních typů motorů, měření všech požadovaných funkcí spolu s novou možností měření počtu tiků enkodéru, periody FG signálu z řídící elektroniky BLDC motorů a napěťové úrovně těchto signálů. Dalšími rozšířeními jsou možnost uložení výsledků z uskutečněných testů pro možné budoucí využití a možnost vizualizace proudu motorem. Uživatel je tedy schopný otestovat velké množství motorů v kratším časovém úseku a zároveň se o testovaných motorech dozvědět mnohem více informací než doposud.
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Module for remote access via Ethernet
Pospíšil, Martin ; Šrámek, Petr (referee) ; Prokeš, Aleš (advisor)
This thesis is about creation of control software (firmware) for remote access unit, using ethernet for communication. It implements web interface for control and monitoring of connected device, which requires both digital and analog signals for control. Hardware is based on C8051F120 as main microcontroller and CP2200 as ethernet controller. Thesis briefly describes most important protocols used in this system and examines features of the Silicon Laboratories TCP/IP stack.
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Modbus/TCP server
Kaufman, Oskar ; Macho, Tomáš (referee) ; Štohl, Radek (advisor)
This bachelor's thesis focuses on the implementation of the industrial communication protocol Modbus TCP and communication with Allen-Bradley's Logix PLC series. The aim of this work was to create a hardware prototype, implement the communication protocol into a microcontroller, and verify the functionality of the device itself and its communication through Modbus TCP. The developed device is equipped with digital inputs and outputs that can be controlled using the Modbus TCP protocol. The verification of communication focuses on the proper control of these inputs and outputs through the Logix PLC series.
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