Maximizing Efficiency in Reference Model Based Verification of 2D Graphics Engine

Pinto, Anita; Y.S, Harish

doi:10.1109/icetet.2011.22

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Cited by 2 publications

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“…지금까지의 연구는 임베디드 시스템의 GUI구성을 위해 LCD 컨트롤러와 같은 장치를 CPU와 함께 사용하여 빠르게 그래픽 데이터를 처리 하였다 [2,3,4]. 최근 소프트웨어를 이용한 자원 관리 기술의 발달로 하드웨어 주변 장치를 사용 하지 않게 할 수 있는 방법이 주목 받고 있다 [5].…”

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A design of Software 2D BitBLT Engine based on RTOS

김봉주¹,

Hong²

2014

Journal of the Korea Society of Computer and Information

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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

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