�rea Cient�fica: Informática Industrial
iScope - Touch Screen Digital Storage Oscilloscope based on System-on-Chip over FPGA Technology
Publicada a 2010-11-25
Aluno: Acácio Fernando da Silva Crespo      N�mero: 38004       Email: acacio.crespo@gmail.com
Data in�cio: 01/09/2009      Data Conclus�o: 22/11/2010 

Orientador(es):
Nome: João Monteiro      Email: joao.monteiro@dei.uminho.pt   

Arguente(s):
Nome: Carlos Manuel José Alves Serôdio       Email: cserodio@utad.pt 
Nome: Sérgio Lopes       Email: sergio.lopes@dei.uminho.pt 
Data da defesa: 22/11/2010      Sala: C2.33 - 15:30h

vers�o electr�nica

Descri��o:

The growing application of touch-screen technologies for Man Machine Interface is the main driving force for this project development.

Oscilloscopes suffered huge changes in operation principles and functionalities but regarding interface between machine and operator very little has changed. As so, this instrument will be the target of the implementation proposed in this research assignment.  So, the main goal is to change the interface of a common instrument in order to make it more intuitive and pleasant to the user.

All Electronic Engineers, at some point of their professional careers, needed to use an oscilloscope to analyze signals, provided by electronic circuitry during hardware debugging, for example. Normally this type of instruments is time-consuming since there is a need for adaptation to the command panel before a good signal sample can be achieved. With touch-screen technologies this could be easily putted away since there is a possibility to apply intuitive gestures, for signal handling, and interactive menus on screen, saving precious space that could be used for expanding the visible area with out having to increase the size of the equipment. A good example is the i-phone, produced by apple, where a normal size phone as a big screen regarding similar size phones and in the matter of interface functionality the possibilities are enormous.


Objectivos:

To achieve the proposed the complete system will be composed by a signal acquisition and conversion card which will be connected to the Digital Signal Processing unit. For user interface it will be used a module containing a Color TFT LCD and a Capacitive Touch screen Sensor. These two modules will be connected to a FPGA board were the necessary processing units and support components will be implemented as a SoC (System on Chip) system.

In this work different approaches will be considered for the system implementation. SoC technology is the base system approach where co-processing units will have a major role in the system optimization. An Embedded OS, based on Linux, will be tailored for handling data display and user interface control. The following tasks are included in the work process for this project.

* Design and implementation of a acquisition board for signal sampling.

   o Chose ADC

   o Design of the front-end

* Synthesis of a SoC Microprocessor system capable of running Linux and handling a application specific peripheral for DSP co-processing

  o Design and build all software application for support of the DSP co-processor under Linux.

* Design and implementation of the hardware and software necessary to the Graphical User Interface and the Touch Interface.

  o Qt, Flex, ...

  o Tslib


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