BTP实现 BTP实现

PDU是用来发送短彩信的一种编码，上述代码为VB彩信pdu解码。-Wish to develop SMS or EMS application? What do you read from your mobile? PDU code. PDU is a format which you send to a phone to send a SMS or an EMS. You can find more in GSM 03.40

设计制作一个检测4*4矩阵键盘的按键编码的实验，把实际按键的键值的八位编码先转换成从0000—1111的编码，再译成数码管能识别的八位编码，在数码管动态显示时，4*4矩阵键盘的第一行对应00—03，第二行对应04—07，第三行08—11，第四行对应12—15。-Design a 4* 4 matrix keyboard key coding experiments to detect the key the actual key octet coded first convert from 00

USB的开发驱动，MSC51单片机驱动，实现在线读写U盘的源码，与上位机通信-/* CH372/CH375 USB device mode & external firmware U2(AT89C51) Program Website: http://winchiphead.com Email: tech@winchiphead.com Author: W.ch 2003.12, 2005.03

实现PM2.5的GIS实时运行模拟仿真分布-It can achieve the fuction that simulate the point of the PM2.5