Siemens SLE4442 encryption card program, has passed the validation

S3C2440处理器上的CF卡读写程序，已经通过验证。-S3C2440 processor CF card reader procedure has been validated.

自己编写的一个万年历程序，显示年月日   时分秒，温度等在12864上面显示出来  测试一下  很精确地   采用12/24进制的时间选择方式，对于初学者很实用。有问题可以联系我  会意义解答

Protel SDK Protel 99se 的sdk，很辛苦才找到的，给做Protel二次开发的朋友用。-Protel SDKProtel 99se the sdk, very hard to find, and to do secondary development Protel friends with.

是一些quartusII下的IP核，自主开发的。包括有vga，ram等-QuartusII under some IP core, self-developed. Include vga, ram, etc.

uclinux下的驱动-Basis of drive

ks8695 loader > > > > > > >-ks8695 loader

小喇叭就可以发出救护车的声音-small loudspeakers can be issued ambulance voices

ARM的串口，LED以及PWM裸机程序，对于初学ARM的朋友很有用-ARM" s serial port, LED as well as the PWM bare-metal process, is useful for beginners to use ARM" s friends

带ＳＤ卡的ＬＩＮＵＸ根文件系统． 在ＡＲＭ上应用-with SD card LINUX root file system. The application of ARM

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.