Design And Realization Of Hand - Held Test Terminal Based On ARM Automatic Weather Station

With the development of automated meteorological, pre ent the grassroots National Weather Bureau station basically have to build a regional automatic weather monitoring network encryption, and the number continues to increase, given the weather forecast predicted provides a more precise and scientific monitoring data, but also to bring a grass-roots Bureau of Meteorology maintenance tasks more difficult. Therefore, the development of a user-friendly, easy to operate, powerful and easy to extend, reliable performance while in the field real-time data acquisition, real-time data analysis, proofreading and store operations processes to achieve real-time automatic weather station hand held terminal has an important significance test.This paper analyzes the development of handheld terminals meteorological test purpose and significance at this stage, and the development of handheld devices have been studied in order to establish a research ideas and direction ARM-based handheld weather test terminal.Then, the basic theory and key technology of system development were studied in order to establish a development direction, and then embedded theoretical research, the basis for the design of hardware and software solutions. In the hardware design, mainly for the processor, display hardware design interface, USB interface circuits were elaborated; software design, mainly from the overall design of the software, USB serial communication program control, process development and design wizard, four inspection process development and design elaborate.Finally, the function of the system from the functional aspect of the device, and device performance has been tested by the system found to be insufficient to develop the test, and to give improved.Based on the research process, design the system, the software development process to do more work, and achieved good results, this paper includes detailed design development process handheld terminal hardware and software testing overall design, hardware, micro-processing the boot design and test interfaces, database development.