Embedded LCD screen driver for ARM9 development platform under the

利用stm32定时器的通道捕获超声波的信号上升下降沿，计算时间，通过实际测试测得数据比较稳定，速度快！可以稍加改正移植到自己的系统中！希望对正在学习的人有所帮助。

teach you how to use linkedlist

采用等精度测频原理的频率计 要求： 设计一个用等精度测频原理的频率计。 频率测量测量范围1~9999； 其精度为 ； 用4位带小数点数码管显示其频率； 并且具有超量程、欠量程提示功能。-With equal precision frequency measurement principle of the frequency of meter requirements: design of a frequency measurement with the principle of equal precision frequency counter. Frequency Measurement Measuring Range 1 ~ 9999 its accuracy with four with a decimal point LED display its frequency and has a super-range, less range prompts.

S3C44B0X开发板上USB应用代码，PC机部分的软件1) LEDDEMO -- 控制 SW44B0板上三个LED的程序2) D12_DRIVER_FOR_WIN98 -- USB芯片WIN98的驱动程序FS44B0X板的USB固件程序--源代码USB_DEMO-S3C44B0X development board USB application code, part of the PC software 1) LEDDEMO-- SW44B0 control board three LED procedures 2) D12_DRIVER_FOR_WIN98-- USB chip Win98 driver FS44B0X board USB Firmware-- source code USB_ DEMO

PCI中断分析.讲述PCI中断原理-Analysis of PCI interrupt. About PCI interrupt Principle

CAT6611 Single-link HDMI Transmitter

ARM7的SamSung芯片的查询方式键盘程序，对键盘学习应该有些帮助-a Samsung chip ARM7 the inquiry procedures keyboard, the keyboard should learn some help

AVR驱动7219程序，能有效将AVR的速度与资源有效利用。程序简洁，流畅，浅显易懂。-AVR-driven 7219 procedures, can effectively AVR speed and efficient use of resources. Process simple, smooth, easy to understand.

nios总线与现场总线can的总线桥接口IP程序-Nios Fieldbus bus and the bus bridge can interface IP procedures