C51库只提供长整形乘法，对于超过长整形的计算只能自己编辑软件。...

驾驶椅示教板,利用控制其驱动众多的数码管，采用了max7219驱动芯片-Demonstration board chair driving, many drivers use to control their digital tubes, used MAX7219 driver chip

Elan eKTP8733N 单片机Touch Pad驱动程序。可检测8个Touch Pad按键是否按下。在Elan公司开发环境中使用。-Elan eKTP8733N Singlechip Touch Pad driver. 8 can detect whether the Touch Pad button press. Elan has developed in the environment.

SD卡方面的东东,希望对大家有所帮助,呵呵, 我为人人,人人为我

HID USB键盘单片机固件程序，能实现键盘输入的功能-HID USB keyboard firmware single-chip, to achieve the functions of keyboard input

NEC标准遥控接收处理程序，OK的IIC通讯程序，51单片机定时中断程序-NEC Standard Remote Control Receiver processing, OK for IIC communication procedures, 51 MCU timer interrupt program

本程序是基于avr单片机的atmega48的控制16*4点阵型液晶。其中main文件调用LCD.c和LCD.h文件。用户可以直接把工程中的LCD.c和LCD.h文件放到自己的程序目录下即可。-This procedure is based on the avr SCM atmega48 control 16* 4:00 LCD. Main document which calls LCD.c and LCD.h document. Users can directly to the project document LCD.c and LCD.h procedures on their own directory can be.

AVR_Meag32 实现谐波检测源码。包含电路原理图，WINAVR（GCC）编译器。-AVR_Meag32 realize harmonic source detection. Contains the circuit schematic, WINAVR (GCC) compiler.

基于pic18f2580实现的 定时器0程序 编译器为picc18-Based on pic18f2580 realize timer 0 program compiler for picc18

ylf128X64无字库液晶驱动程序，只需更改config.c中的引脚配置，直接编译即可-No font ylf128X64 LCD driver, just change the pin configuration config.c, direct the compiler can

整个控制过程中最关键的部分是与PC和终端的通讯过程。有关两方面通讯的详细的协议参见PC和终端的文档-51