【正文】 1) 配置 CPU在主菜單選擇System TypeAtmel AT91 SystemonChip 選擇Atmel AT91SAM9G20EK Evaluation kit。 和內(nèi)核最新的補(bǔ)丁文件 。開(kāi)始R O M C o d eL o a d A T 9 1 B o o t S t r a p f r o m F L A S H T o S R A M amp。詳細(xì)移植過(guò)程參考文獻(xiàn)[3436]。主單元121 . 11 . 22 . 11 . 1 . 11 . 1 . 21 . 2 . 12 . 1 . 11 . 1 . 1 . 12 . 1 . 1 . 11 . 1 . 1 . 2圖 監(jiān)控物理鏈路示意圖舉例：網(wǎng)管中心系統(tǒng)對(duì)從單元 進(jìn)行操作。C P U( A T 9 1 S A M 9 G 2 0 )M A CC o n t r o lD M 9 1 6 1R J 4 5J T A GS P I _ 0A D 8 0 2 0 6L M X0 4 0 3 1F P G AK 4 S 5 6 1 6 3 2 H（ 3 2 M B ）K 9 F 1 2 0 8 U 0 M（ 6 4 M B ）D a t a B u s / A d d r e s s B u s / C S x / G P I OE B IU A R TD E B U GN R S TU S BH o s tU S BD e v i c eX I NX O U TX I N 3 2X O U T 3 21 8 . 4 3 2 0 M H z3 2 . 7 2 8 K H zA I CR e s e tM u l t i p l eI 2 CS F P * 8M A C * 8M I IS P I _ 1T XL M X 2 5 3 1L M X0 1 0 1 0A D 9 1 2 2A D 9 1 2 2R XL M X 2 5 3 1R X 0P E 4 3 0 2M O S IM I S OC L KTDITMSTCKRTCKTDOJTAGSELM O S IM I S OC L KHDMAHDPADDMDDPU A R T 0U A R T 1S P 3 2 3 2D T X DD R X DT X D 0R X D 0R S 2 3 2M o d e mT 1 IT 1 OR 1 IR 1 OT 2 IT 2 OR 2 IR 2 OR S 2 3 2T X D 1R X D 1AddrBus9A 0 A 8D 0 D 1 5C SNCS1I O 0 I O 1 5NANDOENANDWER E W EK 2 4 L C 3 2C L K / D A T AAddrBus1 0NCS2I R Q 0I R Q 1F I QDataBusDataBus1 68DataBus1 6T XP E 4 3 0 2MOSI/MISO/CLKMOSI/MISO/CLKG P I OC SC SL EL EL EC SC SL EL EI 2 CC L KD A T AC L K / D A T AR X 1P E 4 3 0 2L E圖 監(jiān)控終端 CPU 架構(gòu) 系統(tǒng)網(wǎng)絡(luò)結(jié)構(gòu)整機(jī)物理結(jié)構(gòu)由主單元和遠(yuǎn)端接入單元、光擴(kuò)展單元（OE）、五類(lèi)線(xiàn)擴(kuò)展單元（CE）和 CPICO、OPICO 構(gòu)成，系統(tǒng)總體結(jié)構(gòu)如圖 所示。而 ATMEL 公司和 PHILIPS 公司的ARM9 系列產(chǎn)品符合產(chǎn)品性能需求。其中ARM9 系列處理器命名中 E 表示 DSP 擴(kuò)展；J 表示 jazelle 的 Java 加速；S 表示可完全合成。 嵌入式操作系統(tǒng)選型嵌入式操作系統(tǒng)選型主要考慮可移植性、網(wǎng)絡(luò)功能、可裁剪和多任務(wù)處理能力。（2）由監(jiān)控中心發(fā)起，設(shè)備應(yīng)答。告警應(yīng)該滿(mǎn)足如下約束條件：(1) 面向網(wǎng)管中心，也面向設(shè)備研發(fā)和維護(hù)人員。且滿(mǎn)足如下約束：(1) 告警面向網(wǎng)管中心，也面向設(shè)備研發(fā)和維護(hù)人員。設(shè)備要有能夠同時(shí)處理多個(gè)（最多 8 個(gè)）批采數(shù)據(jù)的能力。為便于文檔的編寫(xiě)，文中均以《規(guī)范》表示表 所列規(guī)范。并將告警機(jī)制運(yùn)用到告警管理模塊設(shè)計(jì)中，對(duì)告警模塊進(jìn)行了設(shè)計(jì)與實(shí)現(xiàn)。本文創(chuàng)新點(diǎn)主要有:(1) 調(diào)研嵌入式系統(tǒng)設(shè)計(jì)架構(gòu)，根據(jù)嵌入式系統(tǒng)的軟件開(kāi)發(fā)面臨的可維護(hù)性差、可擴(kuò)展性差等共性問(wèn)題，提出了分層模塊化的軟件架構(gòu)和模塊進(jìn)程化的設(shè)計(jì)方法，并應(yīng)用到本系統(tǒng)的分析、設(shè)計(jì)和實(shí)現(xiàn)過(guò)程中。μC/OSⅡ系統(tǒng)中應(yīng)用軟件設(shè)計(jì)就是任務(wù)函數(shù)的設(shè)計(jì)，將復(fù)雜任務(wù)按需求和優(yōu)先級(jí)劃分為簡(jiǎn)單的功能模塊，各功能模塊在不同的任務(wù)內(nèi)實(shí)現(xiàn)，并根據(jù)實(shí)時(shí)性要求安排任務(wù)的優(yōu)先級(jí)。首先通過(guò)分析監(jiān)控終端的研究現(xiàn)狀，針對(duì)現(xiàn)有方案存在的缺點(diǎn)與不足，在吸取現(xiàn)有終端監(jiān)控系統(tǒng)優(yōu)點(diǎn)的基礎(chǔ)上，結(jié)合多網(wǎng)平臺(tái)終端監(jiān)控系統(tǒng)設(shè)計(jì)規(guī)范，對(duì)多網(wǎng)接入平臺(tái)監(jiān)控終端進(jìn)行設(shè)計(jì)與實(shí)現(xiàn)。解決單一基站機(jī)房覆蓋區(qū)內(nèi)各種業(yè)務(wù)接入和延伸的問(wèn)題，滿(mǎn)足不同網(wǎng)絡(luò)用戶(hù)的需要。（2）都可利用現(xiàn)有成熟的以太網(wǎng)數(shù)字光纖傳輸技術(shù)傳輸基帶信號(hào)，并共同遵守標(biāo)準(zhǔn)的 CPRI 和 OBSAI 接口 [3]。C P R I 或 O B A S I 接口基帶處理R N CC N基帶接口R R U光纖基站拉遠(yuǎn)系統(tǒng)圖 基帶傳輸接口標(biāo)準(zhǔn)信號(hào)覆蓋方式如圖 所示，圖中 I/Q 表示射頻調(diào)制解調(diào)，SC 表示擾碼， SCH 表示同步碼。在目前技術(shù)條件下，覆蓋增強(qiáng)技術(shù)主要有 RRU 射頻拉運(yùn)技術(shù)和光纖直放站技術(shù)，以下作簡(jiǎn)要介紹。監(jiān)控平臺(tái)軟件主要由嵌入式操作系統(tǒng)、驅(qū)動(dòng)程序和應(yīng)用軟件組成，其中應(yīng)用軟件采用 UML 進(jìn)行軟件的分析設(shè)計(jì)，用 C 語(yǔ)言進(jìn)行編碼實(shí)現(xiàn)。多網(wǎng)接入平臺(tái)就是融合現(xiàn)有數(shù)字光纖直放站和 RRU 的優(yōu)點(diǎn)而設(shè)計(jì)研發(fā)的移動(dòng)覆蓋增強(qiáng)設(shè)備。關(guān)鍵詞：監(jiān)控終端；嵌入式系統(tǒng)；軟件架構(gòu)；告警機(jī)制；軟件工程ABSTRACTThe multiwork access platform not only supports the signal of GSM/TDMA/ TDLTE and other works coverage, but also provides RRU mode access to the desktop. Its hardware structure is different from traditional repeater, so the repeater monitoring system can not meet the monitoring demands. Therefore a new system should be developed.The monitoring terminal system is researched and developed based on the multi work access platform which is Ramp。本文設(shè)計(jì)的監(jiān)控終端是根據(jù)浙江漢信科技有限公司研發(fā)的多網(wǎng)接入平臺(tái)對(duì)監(jiān)控的需要而設(shè)計(jì)研發(fā)的。對(duì)本文的研究做出重要貢獻(xiàn)的個(gè)人和集體，均已在文中以明確方式標(biāo)明。本人完全意識(shí)到本聲明的法律后果由本人承擔(dān)。本監(jiān)控終端結(jié)合多網(wǎng)平臺(tái)終端監(jiān)控系統(tǒng)設(shè)計(jì)規(guī)范，吸取現(xiàn)有監(jiān)控終端的優(yōu)點(diǎn)，引入 ARM9+Linux 的嵌入式控制系統(tǒng)，提出了新的嵌入式應(yīng)用軟件架構(gòu)，能充分利用嵌入式操作系統(tǒng)的實(shí)時(shí)、多任務(wù)能力和微處理器速度快、尋址能力強(qiáng)等優(yōu)勢(shì)，提高了監(jiān)控系統(tǒng)的可靠性、實(shí)時(shí)性和靈活性。D by Co., Ltd. Zhejiang new embedded application software architecture is put forward based on ARM9 + Linux according to the design specification and advantages of many ordinary monitoring system. The system’s superiority of multitask processing, real time, high speed and strong addressing ability is utilized fully, so the reliability and flexibility are improved. The process of analysis and design is followed by the thought of software engineering.The system has been debugged with hardware and achieved all target and requirement. This system has passed the acceptance of user.The works of this thesis include 3 parts in conclusion.1. After studying the repeater monitoring system’s development status of domestic and oversea, the ARM + Linux embedded control system is designed according with the actual situation. This part of work includes designing the monitoring architecture and transplanting Linux to ARM9.2. After studying the framework of embedded system design, some mon problems are found, such as low maintainability and poor scalability. So the design method is put forward bining layer processing of modules. This theory has been applied to process of analysis, design and implementation of the monitoring system. The maintainability and scalability of this system is well after testing.3. A new alarm processing mechanism strategies is put forward and realized according to the system’s specification and practical application needs. The system has no false alarm and leakage alarm after seven days of test running. The effectiveness of alarm system is verified preliminarily.Keywords: monitoring terminal。與現(xiàn)有覆蓋增強(qiáng)設(shè)備相比，它集成多種網(wǎng)絡(luò)，解決現(xiàn)有 2G 網(wǎng) GSM 和 3G網(wǎng) WCDMA、TDMA 等多種網(wǎng)絡(luò)的信號(hào)覆蓋，同時(shí)提供寬帶接入到桌面 RRU 模式接入。對(duì)于復(fù)雜的嵌入式軟件項(xiàng)目，UML 所體現(xiàn)的面向?qū)ο蟮姆治龊驮O(shè)計(jì)方法和模型驅(qū)動(dòng)的軟件開(kāi)發(fā)過(guò)程能夠顯著提高開(kāi)發(fā)效率以及項(xiàng)目的可管理性和可維護(hù)性，但是本系統(tǒng)非界面化、實(shí)時(shí)性的需求以及面向?qū)ο笳Z(yǔ)言如 C++本身對(duì)內(nèi)存資源的要求使得使用C++語(yǔ)言進(jìn)行代碼編寫(xiě)不現(xiàn)實(shí)。 RRU 射頻拉遠(yuǎn)技術(shù)及應(yīng)用 RRU(Remote Radio Unit)是一種新的網(wǎng)絡(luò)覆蓋模式 [2]。業(yè)務(wù)接口S C1S C HI / Q扇區(qū) 1 天線(xiàn) S C1I / QS C2S C H扇區(qū) 2 天線(xiàn) S C2S C3S C HI / Q扇區(qū) 3 天線(xiàn) S C3基 站 基 帶S C4S C HI / QC P R IO B S A IR R U業(yè)務(wù)接口業(yè)務(wù)接口業(yè)務(wù)接口圖 RRU 覆蓋方式 數(shù)字光纖直放站技術(shù)及應(yīng)用數(shù)字光纖直放站與模擬光纖直放站不同，它將射頻信號(hào)經(jīng)變頻處理后變?yōu)閿?shù)字中頻信號(hào)，再由光纖傳輸。不同點(diǎn)：（1）數(shù)字光纖直放站由遠(yuǎn)端機(jī)和近端機(jī)組成，從圖 可看出