mr_raptor的专栏

++++++++++++++++++++++++++++++++++++++++++本文系本站原创,欢迎转载! 转载请注明出处:http://blog.youkuaiyun.com/mr_raptor/article/details/6555786++++++++++++++++++++++++++++++++++++++++++ SDRAM（Synchronous Dynamic R

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++++++++++++++++++++++++++++++++++++++++++本文系本站原创,欢迎转载! 转载请注明出处:http://blog.youkuaiyun.com/mr_raptor/article/details/6555734++++++++++++++++++++++++++++++++++++++++++ 系统时钟MINI2440开发板在没有开启时钟前，整

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写在前面的： 本人所著《深入浅出嵌入式底层软件开发》书中裸机部分实验为一个小型的多任务操作系统，由底层到上层应用程序全部知识面均涉及到，不过，当时由于交稿所催，很草率的实现了其功能，最近一直也在忙于其它不相关事情，所以没有将其完善。这几天，给几个大学里的学生做实训，拿出来了这个做Topic，用了两天时间接合书籍技术讨论群里对该OS代码的建议做了下功能的改善和更新，希望读者们或意图从事AR...