tnkernel是开放的

代码说明：

TnKernel是一个源码开放的ARM嵌入式实时操作系统，该操作系统在众多ARM芯片中得到广泛应用，官方已经移植了包括LPC、AT91SAM7S、STR7等ARM7芯片，本工程是最新的2.4版本，包含了ADS、Keil、IAR、GCC等众多编译环境，开发人员可以在不同的目录下找到自己熟悉的编译器工程文件，对嵌入式开发人员极具参考价值。-TnKernel is an open-source embedded real-time operating system ARM, The operating system in many ARM chip to be widely applied, the government has been transplanted, including LPC, AT91SAM7S, such as ARM7 STR7 chip, the project is the latest version 2.4, includes ADS, Keil, IAR, and many other GCC compiler environment. Development officers in different directory to find their own familiar with the compiler works documents, Embedded developers of great reference value.