本文選題：數(shù)字信號(hào)處理器 + CAN總線　； 參考：《計(jì)算機(jī)工程》2015年11期

【摘要】：集群實(shí)時(shí)多任務(wù)要求數(shù)字信號(hào)處理器(DSP)能夠?qū)崟r(shí)動(dòng)態(tài)切換應(yīng)用程序。為此,在分析DSP自啟動(dòng)方式的基礎(chǔ)上,使用大容量Nor Flash作為自啟動(dòng)應(yīng)用程序的緩存,提出一種在CAN總線網(wǎng)絡(luò)中可為多DSP系統(tǒng)實(shí)時(shí)動(dòng)態(tài)切換應(yīng)用程序的方法。實(shí)驗(yàn)結(jié)果表明,有緩存機(jī)制的平均自啟動(dòng)時(shí)間明顯小于無(wú)緩存機(jī)制,且在緩存命中的條件下可提高集群內(nèi)DSP自啟動(dòng)的實(shí)時(shí)性。
[Abstract]:Real-time multitasking in cluster requires DSP (Digital signal processor) to switch applications dynamically in real time. In this paper, based on the analysis of DSP self-start mode, a method of real-time dynamic switching of applications for multiple DSP systems in CAN bus network is proposed by using large capacity Nor Flash as the cache of self-boot applications. The experimental results show that the average self-start time of DSP with cache mechanism is obviously lower than that without cache mechanism, and the real-time performance of DSP self-start in cluster can be improved under the condition of cache hit.
【作者單位】： 浙江大學(xué)生物醫(yī)學(xué)工程與儀器科學(xué)學(xué)院;杭州電子科技大學(xué)計(jì)算機(jī)學(xué)院;
【基金】：浙江省自然科學(xué)基金資助項(xiàng)目(Y1101336)
【分類號(hào)】：TP332

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