Title :
Design and Implementation of Five-point Arithmetic for Calibrating Touch Screen Based on STC MCU
Author :
Zhang, Hui ; Yang, Weijun ; He, Zuihong
Author_Institution :
Phys. Dept., Guangdong Univ. of Educ., Guangzhou, China
Abstract :
Pointing to the deviation of touch screen in actual application, a kind of five-point calibration algorithm was presented. We designed a system with high-performance MCU as the control unit. The data, after AD converted by ADS7845, are calibrated and transmitted to the LCD display. The five-point calibration algorithm system has been used in Ethane Producer Department, Guangzhou Petrifaction Ltd, which realizes calibration error of touch screen.
Keywords :
calibration; liquid crystal displays; microcontrollers; touch sensitive screens; ADS7845; LCD display; STC MCU; five-point arithmetic; five-point calibration algorithm system; touch screen; Calibration; Computers; Equations; Hardware; Mathematical model; Protocols; Software; arithmetic; communication protocol; touch screen;
Conference_Titel :
Future Computer Science and Education (ICFCSE), 2011 International Conference on
Conference_Location :
Xi´an
Print_ISBN :
978-1-4577-1562-4
DOI :
10.1109/ICFCSE.2011.159
