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zjh__123
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樓主  發(fā)表于: 2017-12-05 08:32
昨天在程序里測試了DPLSY與DDRVI二種步進(jìn)指令的響應時(shí)間，感覺(jué)前者是us級的，后者是ms級的（我設置脈沖頻率30000，脈沖數4000），在觸發(fā)條件快的時(shí)候（ms級），前者能很好跟隨，后者動(dòng)作嚴重失真，我是用m8029監控的。
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