外部设备每10ms发一次正脉冲，通过修改CC2640例程中按键中断的触发方式和延时，触发方式改为上升沿把例程的延时设为0（KEY_DEBOUNCE_TIMEOUT=0），然后中断消息队列根本不执行，是因为外部设备中断的频率高导致的还是因为外部设备中断持续时间短导致的还是因为消息队列不够长还是因为什么……………………？？？？？？？？？？
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