Using VHDL language 4* 4 keyboard scanning procedures, tested, safe to use.
说明：利用VHDL语言编写的4*4键盘扫描程序，经过测试，可以放心使用。
Keyboard scanning procedures based on the FPGA development, suitable for beginners to better understand FPGA.
基于FPGA开发的键盘扫描程序，适合初学者更好的了解FPGA。
On this platform, we can carry out basic experiments like LED digital pipe display, keyboard scanning, electric music, Serial Communication, etc.
在实验平台上可以进行LED数码管显示、键盘扫描、电子音乐、串口通信等基本实验。
Meanwhile, it expounds in detail the hardware composing principium and software arithmetic, including keyboard scanning LCM driving and IDE interface driving.
同时，对于该播放器的硬件组成原理和软件算法(包括键盘扫描、LCM驱动及IDE接口驱动等)均给予详细的阐述。
This paper introduces the MSP430 SCM, vision driving of the CH452 numerical code tube and the control chip of keyboard scanning, and designs a kind of keyboard plan.
介绍了MSP430单片机、CH452数码管显示驱动和键盘扫描控制芯片，设计了一种键盘方案。
In the design of keyboard scanning, to the concern of practical application and improving efficiency, we adopt the way of interrupt and comparing the scanning value to avoid vibrating.
在键盘扫描设计中，出于实际应用和提高效率，采用中断和对比键扫描值的方式以消除抖动。
With this method, the keyboard scanning function program and the display administering program will be organized logically, so the whole system program will be easy to program, read and revise.
用该方法编写键功能处理程序和显示管理程序有其独到的优越性，从而使整个系统程序更具条理，便于编写、阅读和修改。
Finally, the macro file scanning, compared with the keyboard&mouse event capture and the application software's event notification is justified as the means for capturing design users' behaviors.
比较了键盘和鼠标事件捕获、宏记录文件扫描，以及应用软件的事件通知三种行为捕获方法，说明了将宏记录方法用于设计用户行为捕获的合理性。
Finally, the macro file scanning, compared with the keyboard&mouse event capture and the application software's event notification is justified as the means for capturing design users' behaviors.
比较了键盘和鼠标事件捕获、宏记录文件扫描，以及应用软件的事件通知三种行为捕获方法，说明了将宏记录方法用于设计用户行为捕获的合理性。
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