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Google一番没有结果。比如 ,要使用GPIO39 工作在下降沿中断输入模式,以便快速影响触发信号且不丢失? 内模怎样配置,.DTS文件怎样写?怎样映射系统中断号?
参考这里:https://github.com/widora/ctest/blob/master/kmods/klirc/lirc.c