[问答题]嵌入式系统开发过程分为哪几个阶段？每个阶段的特点是什么？

参考答案：需求分析阶段：对问题的识别和分析、制定规格说明文档、需求评审。
设计阶段：引入DARTS设计方法，给出划分任务的方法，并提供定义任务间接口的机制。生成代码阶段：代码编程、交叉编译和链接、交叉调试及测试。
固化阶段：程序需要写入Flash中固化。

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