directx9中文帮助手册，基于C#,适宜初学者

说明：  这个是非常全面的esp8266wifi模块的指导文件(This is a very comprehensive guidance document for the esp8266wifi module.)

//////////////////包含头文件及宏定义//////////////////////////////////////#include#include#define uchar unsigned char#define uint  unsigned int/////////////////////////////////////////////////////////////////////////////////////////继电器响应动作指示灯//////////////////////////////////////sbit light=P1^0;sbit int0_ok=P3^2;sbit int1_ok=P3^3;/////////////////数码管的段位锁存////////////////////////////////////////sbit duan=P0^0;sbit wei=P0^1;uchar bit1,bit2,bit3,bit4,bit5,bit6;///////////////小时 分钟 秒钟显示码uchar fen=0;// 分钟缓存uchar miao=0;//秒缓存uchar shi=0;//小时缓存uchar key_temp;/////按键暂存//uchar key_old;uchar key_count;//按键计数uchar key_back;/////按键备份uchar key_data;//////按键数值uchar key_con;////uchar key_ok;uchar int0_function=0;///功能0，做调节始终uchar int1_function=0;///功能1，做运行停止用u

想写的介绍了c8051f020的Flash的擦除与写入程序，存储非易失性数据(Write the introduction to the c8051f020 Flash erase and write procedures, non-volatile data storage)

c#编码和解码 例如：" E8 A7 A3 E7 A0 81"解码后为"解码"；编码为逆过程。(c# coding and decoding such as: " E8 A7 A3 E7 A0 81" decoded " decoding" coding for the reverse process.)

Example on how to control accelerometar sensor on samsung omnia i900

introduce 3d with dx9.0 绝好的3d书籍加源码(introduce 3d with dx9.0 excellent books on Canadian source 3d)

用C#实现的modbus协议源码，非常有价值(modbus protocol by csharp)

工程教育中级练习题1：按一下K1键，LED以10Hz频率闪烁，屏幕上画出红圈，跟着闪，放开后保持该频率闪烁；长按K1键超过3秒，LED以5Hz频率闪烁，屏幕上画出红圈，跟着闪，放开后保持该频率闪烁；按一下K2键，LED熄灭；按一下K2键，LED常亮。(Secondary Exercise Question 1 in Engineering Education: Press the K1 key, the LED flickers at 10Hz frequency, draw a red circle on the screen, follow the flash, and keep the frequency flickering after release; Press the K1 key for more than 3 seconds, the LED flickers at 5Hz frequency, draw a red circle on the screen, follow the flash, and keep the frequency flickering after release; Press the K2 key, the LED goes out; Press the K2 key, the LED always shines.)

使用C语言的快速排序算法实现fastsorting  数据结构

功能强大的MFC动态绘制曲线图控件，开源代码，可以添加头文件源文件到工程文件进行调用 High-speed Charting Control - CodeProject  https://www.codeproject.com/Articles/14075/High-speed-Charting-Control A flexible charting control to display 2D data