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The Design of the Embedded Data Collecting Platform Based on uClinux

Author: HuangKun
Tutor: ShengZuoZhi
School: Huazhong University of Science and Technology
Course: Control Theory and Control Engineering
Keywords: Embedded uClinux Data acquisition platform Device Drivers Network program
CLC: TP274.2
Type: Master's thesis
Year: 2007
Downloads: 115
Quote: 0
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Abstract


The ambient air quality monitoring system provides important technical means for environmental management. Effective use of monitoring facilities, timely and effective, quick to understand the contamination status quo, and online monitoring of air quality and pollution warning, accurate, efficient ambient air data management departments to provide first-hand information, promoting the work of environmental monitoring automation, information development. In this paper, the design of embedded air quality parameters acquisition platform, is one of the automatic monitoring system of the underlying device. Compatible with Linux and UNIX systems, has been widely used in the server space. Because of its high security, can be cut and open source characteristics, it is increasingly being used in embedded devices. The uClinux followed most of the characteristics of the Linux provides a complete solution for embedded systems design. In this paper, the acquisition platform design process based on the the embedded uClinux air quality parameters; summed up the platform hardware design; custom uClinux operating system; elaborated platform device driver development model; data communication and storage design thinking process and technical points. Embedded operating system driver developed as an important part in the design of embedded software. Hardware interrupt, memory, timers, and other resources needed in the management of the embedded operating system control. Driver as a bridge between the hardware and the operating system, a direct impact on the stability of the system. In this paper, uClinux embedded operating system as the background of the driver model developed under uClinux system, and data acquisition platform clock modules (DS1284), serial port expansion module (DM8125) and large-capacity memory modules (CF) cases, the actual development process. Support for network applications is the trend and the trend of the embedded system. uClinux operating system provides a good interface for network applications. UClinux environment program design thinking depth analysis, and analysis of the uClinux network interface socket API operation mode determined based embedded system, Samsung ARM processor core and supported by the GPRS data acquisition platform framework. Finally, the article also describes the characteristics of embedded systems and development resources. The overall structure of the data acquisition platform to give a description and analysis of the necessity of the system uses embedded technology.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Data collection and processing systems
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