linux下的vi编辑工具的所有快捷键用法，指法图，对学习vi的朋友有很大帮助-linux under vi editing tools all use shortcut keys, fingering chart, learning vi friends are very helpful

一款低价位时钟芯片的C驱动程序-low-priced clock chip C Driver

G代码生成软件，能准确生成数控机床的G代码-G code generation software to generate accurate numerical control machine tool G-code

一个数字显示时钟的程序，用的是DS1302时钟芯片，用51单片机直接接口读取指令，有protues方针并且配合1602显示！-A digital display clock procedures, using a DS1302 clock chip, using 51 single-chip direct interface to read instructions, and have protues approach with 1602 show!

在PXA270主板上，配置完基本的GPIO后，可以用本程序读写CF卡来测试CF插槽的硬件连线-The motherboard in PXA270, finished basic GPIO configuration, you can use this program to read and write CF slot CF card to test the hardware connection

8051 c code for AT24c256

Welcome to PMOS. PMOS is a set of modules, mostly written in Modula-2, to support multitasking. PMOS was designed primarily with real-time applications in mind. It is not an operating system in the conventional sense rather, it is a collection of modules which you can import into your own programs, and which in particular allow you to write multi-threaded programs. -Welcome to PMOS. PMOS is a set of modules, mostly written in Modula-2. to support multitasking. PMOS was designed pri marily with real-time applications in mind. It is not an operating system in the conventional"s ense rather, it is a collection of modules which you can impor t into your own programs. and which in particular allow you to write multi- threaded programs.

ucosII在arm920T内核s3c2410移植的代码.-ucosII in arm920T s3c2410 transplant kernel code.

c51控制的点整LCD夜晶显示屏幕,期望能帮助大家-c51-controlled crystal sharp LCD display screen night, hoping to help people

深入理解内存原理，有助于嵌入式工程师硬件开发。-Depth understanding of memory theory, contribute to the development of embedded hardware Engineer.