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Embedded BACnet gateway based on microprocessor real-time

  • 2013-09-20
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Real-time embedded BACnet gateway based on microprocessor: Based on the single-chip microcomputer LPC2106 and the real-time operating system μC/OS-II, an embedded BACnet gateway was built. In view of the real-time requirements of the BACnet gateway, the CPU processing speed, operating system time accuracy, memory management and other aspects were studied. The real-time scheduling of the multi-task of the gateway was carried out through μC/OS-II, which met the real-time performance of the embedded BACnet. Keywords:Real-time operating system; μC/OS-II; Embedded BACnet gateway; Real-time scheduleStudy of BACnet Gateway\'s Real-time PerformanceWU Shubin, LIU Xiande, WANG Zhongming(Department of Optoelectronic Engineering, HUST, Wuhan 430074)【Abstract】Embedded BACnet gateway has been constructed with singlechip LPC2106 and real-time operating system μC/OS-II. To satisfy withBACnet gateway\'s real-time request, the paper studies the CPU execution speed, operating system\'s time precision, memory management, and so on.Using μC/OS-II to schedule the gateway\'s multi-task, embedded BACnet gateway\'s real-time performance has been met.【Key words】Real-time operating system; μC/OS-II; Embedded BACnet gateway; Real-time schedule

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