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In recent years, embedded systems applications market demand is growing, more and more widely, the output value is also growing, embedded system development has become the hotspot of the information technology industry. ARM technology-based microprocessor applications occupy about 32-bit RISC processor more than three-quarters of the market. In this thesis, a set of ARM-based hardware architecture portable physical experimental data collection instrument, the system uses the Windows CE embedded operating system, development of the system is simple and convenient, while the performance is stable and reliable, feature-rich, friendly interface. The system required LCD user interface, This hardware system put forward higher requirements, require faster response, in particular, better coordination of system task scheduling mechanism. So the traditional microcontroller will no longer be able to meet the requirements, the system decided to introduce WinCE-based system and a lithium battery-powered ARM hardware platform. Because the system is multitasking, embedded operating system is added to the system, a variety of embedded Linux and WinCE operating system includes the basic knowledge and the development process, the final selection of the man-machine interface and modular way WinCE system. Selection of visual development tools and EVC (Embedded Visual C) to develop PC applications faster and more convenient. Functional requirements for the system required to achieve the full preparation, access to a lot of information during the system development, and on this basis, the work consisted primarily of the following aspects: the overall system design, the signal hardware circuit design, software part of the design, power management circuit design contains portable design, the preparation of the hardware drivers, eventually the entire system debugging. The system's hardware design process, the first comprehensive consideration of system power consumption, size, cost, real-time and other factors, to develop a system hardware solution: choose low-power processor and peripheral devices, dynamic power management, and integrated consider the stability of the system, combined with software design, and as a basis for the selection processor and the design of each part of the circuit. System software design process, taking into account the same factors, each module to drive the preparation and application design. After repeated debugging, the initial development of the system has been completed, tested, basically meet the technical indicators. The system uses low-power design, lithium battery-powered, four-channel analog and digital data synchronization acquisition through the touch screen can be selected experiments and the specific operation, the signal collected through the LCD screen display. The system interface is beautiful, can be easily connected to the corresponding sensor physics experiments data collection.
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