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22 天
Android驱动开发5-8章读书笔记
Led驱动电路,led就是发光二极管。是嵌入式系统中常用的输出设备。单个led通常用作警示。 在beiguang 驱动程序中,要实现lcd背光亮度的调节。主要完成3个操作。 2 )在目录orgdroiddraw下会有一个main函数作为人口函数,接下来进行实现系统界面初始化,加载表示 ...
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