Research And Development On Embedded Teaching Experiment Device

With the development of technologies, embedded system has been used widely. In order to investigate and master this technology, the teaching of embedded system is planned or processed in many universities at present. As a result; it is of great significance to develop the relevant experiment devices to meet the need of teaching.The teaching experiment device studied in this thesis is a typical embedded system. Based on ARM,μC/OS- II, a real-time operation system, is used to achieve task scheduling and resource management. In this thesis, a compendium about embedded system, such as the concept, characteristic,current status,importance of embedded teaching system,structure and RISC of ARM, is introduced generally first. Then a detailed research on teaching experiment device studied in this thesis is present, including the design process, theory of hardware and the realizing method. In this experiment device, the micro processing unit of S3C44B0X, a product of Samsung, was chosen as the core control module, and a minimal system is constructed. Based on it, the modules of human-machine interface, motors control and D/A conversion are developed. Also the entire starting program fit for this device is accomplished and the detailed how to replant the operation system ofμC/OS- II into S3C44B0X.Furthermore, the developing tools of embedded system are introduced and many experiments are also designed to meet the need of teaching, for example, the serial communication interface experiment, the liquid crystal display experiment, the application of pulse width modulation and the application ofμC/OS- II operation system experiment.