经典的Carmack求平方根算法

该程序可用于遥控器制作参考或者其他红外控制的项目,单片机采用的是PIC系列的(the procedure can be used for remote reference to the production or other infrared control of the project, the 8031 PIC is the series of)

几种常用AD，DA芯片的处理子程序，包括ADI和TI的几个芯片及锯齿波子程序(Several common AD, DA chip processing subroutine, including several ADI and TI' s chips and sawtooth subroutine)

主要实现了STM32F10X的串口dma，实现了flash操作；并且 直接可以编译运行;(It mainly implements the serial port DMA of STM32F10X, realizes flash operation, and compiles and runs directly.)

实现智能数字显示仪表。要求8位数码管显示（4位显示测量值，4位显示设定值），4输入按钮（功能选择、数码管选择、数字增加、数字减少），可设定上下限报警（蜂鸣器报警）。K型热电偶（镍铬-镍硅），测温范围为0℃~1000℃。采用比例-积分控制、并用晶闸管脉宽调制驱动1000W电加热器（电源电压为AC220V）。(Intelligent digital display instrument. Asked 8-bit digital display (4 shows measured values, four display settings), 4 input buttons (feature selection, the digital control options, the number increased, the number is reduced), upper and lower limits can be set to alarm (buzzer alarm ). K-type thermocouple (Ni-Cr and Ni- Si), temperature range is 0 ℃ ~ 1000 ℃. Proportional- integral control, and using thyristor PWM drive 1000W electric heater (power supply voltage is AC220V).)

通过单片机控制，实现8个led灯流水显示。(Through the control of the single-chip microcomputer, 8 LED lights are displayed.)

寄存器创建简介 方便新手快速入门学习 简单模块创建(Register Template Establishment)

使用STM32f103c8t6输出两路PWm(Using STM32f103c8t6 to output two PWM)

说明：  GPRS多路穿透文件，实现多路链接。性能稳定，工厂可以使用(GPRS Multiplex Penetration File)

说明：  自己编写的一部分完整代码，是学习arm9的好工具，这个程序是针对s3c2440的。能够实现按键检测，led显示和串口的打印。(I have written part of the complete code, is a good tool for learning arm9, this program is for s3c2440' s. To achieve key detection, led display and print the serial port.)

数码管动态移位显示，值得初学都学习和借鉴，中间有注释(Digital dynamic display)