各位大侠: 有谁作过并行io口的主方式\从A方式\从B方式.我在做时出了点问题,我用的是NODEBUILDER1.5 ,当编译通过以后,下载程序时总是出现一些问题,提示如下: The NSS could not change the state of the device correctly.make sure: 1) the device template configuration ic compatible with the device; 2) your device hardware is operational [NS #4] Build failed 请你指点迷津,谢谢!