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暑假想做一个lcd12864的badapple，现在显示器能单独显示，但SD卡中的内容读不出来，不清楚是什么原因，可能是程序出错了，也有可能是SD卡出错了，扇区什么物理地址和逻辑地址都试过了就是不能显...

昨天他才跟我曰他碰到一个中断坏掉的51 = = 然后调试1个小时，最后才发现坏掉……我今天update我的PWM模块，结果外部中断无反应……我狂改程序+测试1个小时，发现外部中断坏了……其他一切正常...

先上视频，代码就不发了，因为用那软件能轻易做出来点击此处查看视频软件：使用非常方便：只需先按音调，再按节拍（具体看歌谱），最后生成复制代码既可，生成代码编译成hex烧写到芯片上就行了！[s:9...

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