DTMF 语音电话双音多频产生和检测

链表版的软件工程师管理系统，可以对工程师的信息进行增删改查(The linked list version of the software engineers, management system that can CRUD information for engineers)

STM32 DAC输出任意波形，可以是正弦波、锯齿波、方波(STM32 DAC arbitrary waveform output)

malab语言实现bspline曲线拟合，采用改改进的pso算法实现 ，经测试可直接使用。 (malab the language bspline curve fit, change improved pso algorithm has been tested and can be used directly.)

keil 5.11a专业版注册机 （通用版） 破解工具，可以破解专业版，已亲手实验。(keil 5.11a crack tool, you can crack the professional version, has personally experiment.)

说明：  这是一个基于VC++6.0的简易防火墙，使用MFC编程，基于Windows的ipfltdrv.sys驱动(This is a simple firewall based on VC++ 6.0. It uses MFC programming and Windows-based ipfltdrv.sys driver.)

说明：  在MPLAB-C18中使用union and structure来使用控制单一个bit(in MPLAB- C18 use union and control structure to the use of a single bit)

说明：  在地震处理中，非常经典的进行时深转换的程序，通常比较好用(In seismic processing, the very classic procedure for time-depth conversion, usually more useful)

简单的小程序源代码，matlab的基础，看后有帮助(failed to translate)

10G EPON ONU PR30模块FIRMWARE(10G EPON ONU PR30 FIRMWARE)

说明：  STM32F407工程模板，基于官方固件库，无操作系统版(STM32F407 engineering template, based on official firmware library, no operating system version)