基于微處理的嵌入式BACnet網(wǎng)關(guān)實(shí)時:基于單片機(jī)LPC2106 和實(shí)時操作系統(tǒng)μC/OS-II，構(gòu)建了嵌入式BACnet 網(wǎng)關(guān)。針對BACnet 網(wǎng)關(guān)的實(shí)時性要求，對CPU 處理速度、操作系統(tǒng)時間精度、內(nèi)存管理等方面進(jìn)行了研究。通過μC/OS-II 對網(wǎng)關(guān)的多任務(wù)進(jìn)行實(shí)時調(diào)度，滿足了嵌入式BACnet 的實(shí)時性能。
關(guān)鍵詞：實(shí)時操作系統(tǒng)；μC/OS-II；嵌入式BACnet 網(wǎng)關(guān)；實(shí)時調(diào)度
Study of BACnet Gateway’s Real-time Performance
WU 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 with
BACnet 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