移动机器人教授机器级编程

P. Teller, T. Dunning
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引用次数: 3

摘要

我们强烈认为,当代的机器组织和汇编语言入门课程应该集中在计算机如何执行程序的基本要素上,而不是被当今可获得的极其复杂的微处理器的复杂性分散了注意力。这些要点应该形成一个坚实的知识基础,学生在继续学习计算机科学时可以从中汲取知识。理想情况下,这些目标应该在一个促进实验和合作的环境中实现,并借助能够激发学生兴趣和热情的项目。我们已经开发了一门课程,目前正在新墨西哥州立大学教授,该课程满足了许多这些目标。本课程集中于一个简单但相对完整的微处理器架构,即摩托罗拉68HC11处理器。三种不同的教学方法用于鼓励实验和团队合作:学习会议、模拟器实验室和微处理器实验室。在学习环节中引入新概念,将传统的讲授与学生的探索相结合。通过实验和作业加强对这些新概念的理解。模拟器实验和作业需要与摩托罗拉68HC11微处理器的模拟器进行交互,重点关注68HC11的指令集体系结构。微处理器实验室和作业,本质上是设计和建设会议,重点是使用68HC11微处理器来控制机动车辆。在微处理器实验期间,学生们制作印刷电路板,制造机动车辆(或其他机器人化的舶来品),并设计和实现汇编语言程序,提供个人计算机和68HC11处理器之间的通信,以及68HC11处理器和机动车辆之间的通信。我们发现,开设这门课程的成本非常低,而且在学生的积极性和成绩方面效果非常好。
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Mobile Robots Teach Machine-Level Programming
We feel strongly that a contemporary introductory course in machine organization and assembly language should focus on the essentials of how computers execute programs, and not be distracted by the complications of the extraordinarily sophisticated microprocessors that are available today. These essentials should form a strong base of knowledge from which students can draw as they continue their education in computer science. Ideally these goals should be attained in an environment that fosters experimentation and cooperation, and with the aid of projects that generate interest and enthusiasm among the students. We have developed and are currently teaching a course at New Mexico State University that meets many of these goals. The course concentrates on a simple but relatively complete microprocessor architecture, that of the Motorola 68HC11 processor. Three different teaching techniques are used to encourage experimentation and team work: learning sessions, simulator labs, and microprocessor labs. New concepts are introduced in learning sessions, which combine traditional lecturing with student exploration. The understanding of these new concepts is strengthened through labs and assignments. Simulator labs and assignments, which require interaction with a simulator of the Motorola 68HC11 microprocessor, focus on the 68HC11's instruction set architecture. Microprocessor labs and assignments, which essentially are designing and building sessions, focus on the use of a 68HC11 microprocessor to control a motorized vehicle. During microprocessor labs students populate printed circuit cards, build motorized vehicles (or other roboticized exotica), and design and implement assembly language programs that provide communication between a personal computer and a 68HC11 processor, and a 68HC11 processor and a motorized vehicle. We have found that the costs of running this course are minimal and the results are very favorable in terms of student enthusiasm and achievement.
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