真正的

基于PDIUSBD12，freescale MC9S12DT256单片机程序，包含枚举功能及串口与CAN线的相互转化。-communication between PC and freescale MC9S12DT256 with PDIUSBD12

该讲义首先介绍了版本控制的基本概念，然后讲解了svn的基本知识、体系架构，工作中常用的命令，然后介绍了常用的gui客户端，和eclipse 插件。 最后介绍了经常遇到的问题，和使用svn的一些约定。 -The notes first introduced the basic concepts of version control, and then explain the basic knowledge of the svn, system architecture, commonly used in the work order, and then introduced the commonly used client gui and eclipse plug-ins. Finally, the problem often encountered, and the use of svn some agreement.

LCD source code

uCGUI中实现窗体半透明效果应用的例子。-uCGUI achieve translucent effect of the application form example.

简单的m序列产生办法（存储m序列，再读出）-Simple method for the selection of m sequences (m sequences stored, read out)

下面是一个超声波测距的程序，硬件电路由于电脑格盘已丢失，下面的代码是从样机上复制的。 硬件电路包括液晶显示、超声波的发射、超声波的接受、滤波、单片机处理。 液晶显示采用LCD1602模块，下面的代码里有液晶的驱动，可以拷贝用于它处。 超声波发射电路包括压电换能器及其支持电路，发射约44KHz的超声波。 超声波的接收电路包含一块CD40106处理芯片。技术指标大约是测距范围在三米左右，测量精度约在厘米级别。大量用于倒车雷达的测距中。-The following is a range of ultrasound procedures, the hardware circuit as a result of the computer grid plate has been lost, the following code is copied from the prototype. Hardware circuit including liquid crystal display, ultrasonic transmitter, ultrasonic acceptance filtering, single-chip processing. LCD1602 LCD module used, the following code, there are LCD drivers, you can use it to copy. Firing circuit including the piezoelectric ultrasonic transducer and its support circuitry, fired about 44KHz ultrasound. Ultrasonic receiver circuit includes a processing chip CD40106. Technical indicators for a range of about 3 meters range around the measurement precision level of about cm. Reversing a large number for the location of the radar.

资源描述独立按键程序的程序 用51单片机写的  完全可以跑起来

在潜入市linux 下烧写vivi的原代码 arm上成功执行-sneaked into the city under linux burning anger of the original code arm on the successful implementation

键盘的源码的程序，了解键盘编程的方法，键盘测试程序-Keyboard source procedures, understanding of the keyboard programming methods, testing procedures keyboard

stc-uart 串口通讯测试，硬件测试程序，波特率9600，stc12c5a60s2uart 资源硬件测试