diwujiang

i2c set core file for setting the chip id

说明：  stm32飞控源代码内置pid算法陀螺仪姿态解算模糊pid等(STM32 Flight Control Source Code Built-in Pid Algorithms Gyroscope Attitude Resolution Fuzzy Pid and so on)

stm32 canfestival v1.0 stm32f103vct6上直接运行(stm32 canfestival v1.0 stm32f103vct6 run directly)

S3C2410X LCD 控制器,有关lcd 控制器的相关介绍。(S3C2410X LCD controller, the lcd controller related introduction.)

本历程实现了一个完整的层次状态机HSM，可根据UML方便的写出相应的状态机代码。特别适合复杂状态机的开发。(This process implements a complete hierarchical state machine (HSM), according to the UML state diagram convenient to write the corresponding state machine code. Especially for complex state machine development.)

说明：  共3部分，1/3 本书介绍了ARM架构的背景知识以及指令集、中断处理等处理器特性，并描述了如何设置并利用存储器保护单元(MPU)等可用的高级特性。书中论述Keil MDK、IAR EWARM、gcc以及CooCoxCoIDET工具入门的章节可以给初学者在编写程序代码方面提供一些帮助，其中也包括一些重要的软件开发问题，比如低功耗特性的使用、信息输入/输出的处理、汇编和c语言的混合编程及其他高级技术话题。(This book introduces the background knowledge of arm architecture, instruction set, interrupt processing and other processor features, and describes how to set up and utilize the available advanced features such as memory protection unit (MPU). The chapters on keil MDK, IAR EWARM, GCC and coocox coidet tools in the book can provide some help for beginners in writing program code, including some important software development problems, such as the use of low-power features, information input / output processing, mixed programming of assembly and C language, and other advanced technical topics.)

基于STM32和W5500 的阿里云平台MQTT连接，内置了HMAC-SHA1算法，可以直接填写阿里云物联网平台的三个参数，程序直接生成域名、账户名、密码以及Topic。软件还包含基于Cjson的json构建与解析。(Based on STM32 and W5500, the MQTT connection of Aliyun platform is built-in with HMAC-SHA1 algorithm, which can fill in three parameters of Aliyun Internet of Things platform directly. The program generates domain name, account name, password and Topic directly. The software also includes JSON construction and parsing based on Cjson.)

Blink LED use stm32f051c8t6. LED blink very 1000ms

金融时间序列分析 1. 采用Pandas从Yahoo网上下载上市公司的5到10年的日收盘数据，上证指数的日收盘数据。 2. 计算上市公司和上证指数的收益率， 3. 针对上市公司收益率进行ARMA建模，确定P和q，并对残差进行分析，最后向前预测多期，显示预测图。 4. 针对上市公司收益率进行ARCH建模，确定阶数，并对残差进行分析，最后进行预测。 5. 针对上市公司收益率进行GARCH建模，确定阶数，并对残差进行分析，最后进行预测。(use Arch Model to ananlyse and predict yields from public companies. Python. pandas)

本工程项目实现了LWIP协议栈在microblaze软核处理器的移植，并附有简单的应用程序。(This project realized LWIP protocol stack transplantation in microblaze soft core processor, with a simple application.)