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http://dx.doi.org/10.9708/jksci.2014.19.4.035

A design of Software 2D BitBLT Engine based on RTOS  

Kim, Bong-Joo (Department of Computer Science and Engineering, Soongsil University)
Hong, Jiman (Department of Computer Science and Engineering, Soongsil University)
Publication Information
Journal of the Korea Society of Computer and Information / v.19, no.4, 2014 , pp. 35-41 More about this Journal
Abstract
In this paper, we proposed the implementation of software-based 2D BitBLT engine on the pSOS operating system and the operation of the BitBLT engine on patient monitoring device was verified. To verify the proposed method on the patient monitoring device, we designed prototype PCB board, and verified the operation. We designed the motherboard by using ARM9-based CPU. Because hardware-based BitBLT module was replaced with software-based one, CPU load problem was weighted. To solve this problem, w changed 400Mhz processor instead of 200Mhz processor. We implemented 2D BitBLT kernel module as a device driver which is one of the key elements of a graphics controller GUI in patient monitoring device.
Keywords
BitBLT; LCD device driver; Raster operation (ROP); biosignal monitoring device;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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