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Resistive Touch Sensor based Graphics Plotter on an Embedded Display

Published on October 2014 by Padma Prasada, Sukesh Rao M
journal_cover_thumbnail

International Conference on Information and Communication Technologies
Foundation of Computer Science USA
ICICT - Number 1
October 2014
Authors: Padma Prasada, Sukesh Rao M
9762f561-f066-42cf-a6a2-b184f97f3082

Padma Prasada, Sukesh Rao M . Resistive Touch Sensor based Graphics Plotter on an Embedded Display. International Conference on Information and Communication Technologies. ICICT, 1 (October 2014), 37-41.

@article{
author = { Padma Prasada, Sukesh Rao M },
title = { Resistive Touch Sensor based Graphics Plotter on an Embedded Display },
journal = { International Conference on Information and Communication Technologies },
issue_date = { October 2014 },
volume = { ICICT },
number = { 1 },
month = { October },
year = { 2014 },
issn = 0975-8887,
pages = { 37-41 },
numpages = 5,
url = { /proceedings/icict/number1/17964-1408/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 International Conference on Information and Communication Technologies
%A Padma Prasada
%A Sukesh Rao M
%T Resistive Touch Sensor based Graphics Plotter on an Embedded Display
%J International Conference on Information and Communication Technologies
%@ 0975-8887
%V ICICT
%N 1
%P 37-41
%D 2014
%I International Journal of Computer Applications
Abstract

Today, many fields are adopting touch screens or touch panels for applications with human/machinery or human/computer interfaces. This paper presents the concepts and methods for the interfacing of touch–screen sensor and TFT LCD Display unit to host microcontroller. Software programming algorithm and their implementation are also portrayed. Resistive touch sensor based graphics plotter is one such hand held embedded device which uses resistive touch panel and TFT LCD Display as an input and output terminals respectively. The implementation methods give special consideration to analog power–down strategies, efficient analog to digital conversion and optimize the touch sensor algorithm. Active Matrix Display of Thin Film Transistor technology is used as an output display unit, it's being chosen since it is thin, flat and consumes very less amount of power. The method and workflow of resistive touch sensor based graphics plotter is emphasized. In this approach LPC2103 microcontroller from Philips Semiconductor Pvt Ltd, based on ARM7TDMI-S core is used as host controller. The ARM7TDMI-S CPU features 8 A/D channels, 32 general purpose I/O and several power saving modes. Using Cross ware Embedded development Studio, the entire software programming is done in C–language.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Arm7tdmi – S Core Resistive Touch Screen Active Matrix Display Thin Film Transistor Touch Screen Controller.