Strengthening Interrupt Controls in Embedded Systems by Cooperation between Windows CE and REMON

摘要

Many recent embedded system products have sophisticated display functions. Microsoft Windows Embedded CE (hereafter referred to as 'Windows CE') is a widely used embedded OS with a simple GUI design. However, Windows CE has threaded interrupt processes, and therefore it has problems in handling processes for which a strict interrupt response time is requested. We have developed Real-Time Embedded Monitor (REMON) for controlling Interrupt Service Routine (ISR) processes. When using REMON, it is possible to improve the real-time characteristics of the interrupt processes. This paper proposes a system that combines Windows CE and REMON and utilizes the advantages of both to create an embedded system having both sophisticated display functionality and excellent responsiveness to interrupts.