先按下a键不放,再按下b键不放,然后放开a键,最后放开b键,结果导致a键的弹起信号消失,变成b键的弹起信号;然后再按a键,按下信号消失,弹起有信号,然后就正常了,请问这是不是驱动有BUG?还有如果同时按下a键和b键的话会变成c键信号,这是不是跟硬件布局有关系?
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