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描述了基于嵌入式Linux和Qt/Embedded的手持终端的键盘驱动的设计与实现。依据嵌入式手持设备键盘的工作特点及其驱动实现难点,采用了一种将键盘驱动分解成底层驱动模块和上层文本输入模块的双层设计方案,且在实际设备中予以实现。
Describes the design and implementation of keyboard driver based on embedded Linux and Qt / Embedded handheld terminal. According to the operating characteristics of the embedded handheld keyboard and the difficulty of its driving, a double-layer design scheme that decomposes the keyboard into the underlying driver module and the upper text input module is implemented and implemented in real equipment.