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The Design and Implementation of a Multi-function Floor Display System in Fire Monitoring Network

Author: ZhaoZhiJie
Tutor: WangShu
School: Huazhong University of Science and Technology
Course: Communication and Information System
Keywords: S3C6410 Embedded Linux Mplayer hardware decoding WIFI
CLC: TN873
Type: Master's thesis
Year: 2011
Downloads: 15
Quote: 0
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Abstract


The frequent occurrence of a fire requires the emergence of more effective fire alarm system . Floor display is an important part of the fire alarm system , an efficient floor display can receive real-time information in the fire network , intuitive inform people fire locations , effectively guiding people to choose the direction of escape , paper designs and implements an embedded multi - functional fire alarm floor indicator . S3C6410 and embedded Linux development portfolio selected according to the functional requirements of the system , connected to the CAN bus control chip MCP2510, complete and fire monitoring network communication between S3C6410 the SPI interface ; human-computer interaction , keystrokes , and audio and video output ; Add S3C6410 in Mplayer video hardware decoding module for high-definition video playback ; through the completion of the QT / E programming interface design and Implementation of the work ; extend the wireless card through the USB interface for dynamic update system files . Then in terms of hardware highlight key module drivers and CAN controller driver specific implementation process ; then introduced the software add S3C6410 video hardware decoding module to the implementation process , Mplayer the CAN messaging thread and fire information identifies the thread between information transmission mechanism SOCKET programming via the wireless network implementation process of the local file updates . System in no fire most of the time to complete the playback of high-definition video , music and other media files , exception information in real-time monitoring of the CAN bus control module fire alarm network , the in exception information comes immediately switch to the fire information identifies interface , important system settings through key module completed , the expansion of the wireless network module is used to achieve dynamic update of the media files on the system . Add S3C6410 hardware decoding module in Mplayer the difficulty and innovations implemented in this article . Finally, the achievement of the system to do a comprehensive test , the test surface covers all the functional modules . After the test is completed , the test results do objectively analyze and summarize the inadequacies found in the test , the direction of further improvement of the system and method .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > Terminal equipment > Display device,the display
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