tgqdk

使用stm32的滴答定时器辅助实现按键非阻塞扫描，响应及时，不阻塞占用cpu，值得新手学习(Use STM32 tick timer to help button non blocking scanning, respond timely, do not block up occupying CPU, worthy of novice learning.)

主要是在AVR这类型的单片机的入门,闲时自己研究下(Main is the entry of this type in the AVR microcontroller, leisure research)

大疆SDK，完美移植到STM32F1的平台(Dji SDK, perfect transfer to STM32F1 platform)

arm11 初学源代码 有些事自己完成 有些是经过修改的。希望对大家有帮助(arm program.)

近30个LPC23XX系列，各模块源代码！(Nearly 30 LPC23XX series, each module source code!)

ARM公司以及ARM芯片的现状和发展，从应用的角度介绍了ARM芯片的选择方法，并介绍了具有多芯核结构的ARM芯片。列举了目前的主要ARM芯片供应商，其产品以及应用领域。举例说明了几种嵌入式产品最佳ARM芯片选择方案。(ARM ARM chip companies and the current situation and development, from the application point of view on the ARM chip selection method, and describes the structure of multi-core ARM core chip. Lists the current main ARM chip suppliers, their products and applications. Several examples of the best ARM chip embedded options.)

Including script files and function files in the form, The received signal is given eye and BER simulation systems, About ultrasonic parking radar ranging.

全国大学生电子设计竞赛获奖优秀方案，供大家参考，能快速提升对硬件模块的熟悉程度及相关软件运用(National College Student Electronic Design Contest Award for the excellent scheme, for your reference, can quickly improve the degree of familiarity with the hardware module and the application of related software)

说明：  QN8027初始化代码，使用单片机是STM32.(QN8027 initialization code, the use of single-chip STM32.)

ARM开发板原理图，LPC1766，流行开发芯片(ARM development board schematics, LPC1766, popular development chip)