基于VxWorks的通信支撐系統(tǒng)設(shè)計(jì).pdf

1、電子科技大學(xué)碩士學(xué)位論文基于VxWks的通信支撐系統(tǒng)設(shè)計(jì)姓名：張憲軍申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：朱清新20061207AbstractAbstractThereliabilityisveryimportantinthe丘eldofcommunicationOneoftherelatedfactorsistransformationmediumandprotocol；anothermostimportantfactor

2、isthelowersupportingsystemAstablesupportingsystemisprerequisiteforamodemcommunicationsystemtooperatestablyandtocommunicatereliablyThemainpurposeofthearticleistodesignastable，reliablecommunicationsupportingsystemwhichwasb

3、asedonVxWorksThesupportingsystemimprovesandextendssuchmodulesofVxWorl【s：schedulemanagementmodule，memorymanagementmodulc，communicationmanagementmodule，timermanagementmodule，filemanagementmoduleandexceptionhandlingmoduleIn

4、ordertoimproveandextendthesemodules，thearticledoes$omeworkasfollows：1SchedulemanagementmoduleimplementsprocessschedulebasedonthetaskscheduleofVxWorksinordertoimprovetheschedulingflexibility；2MemorymanagementmoduleUSeSmem

5、orypoolinorderteducememoryslicesandimprovetheefficiencyofmemoryapplicationandrelease；3ThecommunicationamongforegroundboardsusesaprotocolofRUDPandthecommunicationbetweenbackgroundandforegroundusesaprotocolofTCPfortherelia

6、bilityofcommunicationandtheconvenienceofprogramming；4Timermanagementmoduleimplementsastrategyofallkindsoftimers；5Filemanagementmoduleusesafileagentprocesstesponseallfileoperationsofotherprocesses；6Exceptionhandlingmodule

7、hooksanextraexceptionhandlingfunctionthus，moreexceptioninformationCallhegathered；7AtlasttheentiresystemistransplantedtothevirtualmachineofVMwareUsingVlⅥwaresimulatestheforegroundboardandusingPCastheoperationbackgroundSom