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在启动板卡的时候,超级终端始终不打印信息,可能会是什么情况,请指教



刚刚学习不久,使用的是OMAPL138的双核板卡,突然超级终端就不打印信息了,串口和波特率设置的没问题,之前也是好好的,boot模式也没错。