基于蓝牙a2dp技术的分析与实现

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1、●基丁蓝牙A2DP技术的研究与实现111eRese2urchandInlplementationofA2DPTechnologybasedonBluetoothAbstractWiththedeVelopmentofwirelesscommunicationtechnologyandtheexpansionofthemarketscale，Bluetoothtechnologywasusedmoreandmorewidely．HowtoimproVeapplicationrangeofBluetoothTechnologytomeetpeopl

2、e’srequires，isanimponantsubjectforBluetoothproductdeVelopers．Theseyears，withthedeVelopmentofBluetoothaudiotransmission，theresearchofBluetoothstereoscopicaudiotransmissionispaidmoreandmoreattention．Conside“ngthestereoaudiotransmissiontechnologyandactualproductapplicationbased

3、onbluetooth，wemakeadetailedresearchonA2DPprotocolre凫11ringtotheaudiodecodingprinciple，andproposeanewimplementationalgorithmforA2DPprotoc01．WedesignabluetoothaudiotransmissionsystemtoVeri矽thefeasibilityofthisalgorithm．First．wemakeacoarseintroductiononbluetoothaudiotransmissio

4、ndeVelopmemdomesticandoVerseasandpresentthecentralidea—theresearchandimplementationforA2DPprotocolbluetoothtransmission．Wemakeadeepresearchonthe伦aturesandinstructuresofthecullrentprotocolsandthenproposeanewA2DPprotoc01．Secondly，baseonA2DPstandard，theref爸rencealgorithmandA2DP

5、transmissionprocess，wegiVeanA2DPimplementationalgorithmbasedoneVent—statemechanism，includingallthedeflnitionsandprocessing凡nctions．1nordertoVerifythefeasibilityofthisalgorithm，wecompare“withseVeralotherreleVantalgorithmsandimplementittosomeapplicationslikeMP3decodingalgorith

6、mforA2DPstereoaudiotransllnission．6Then，wedesignacompleteson=、Vare—hardwaresystemfortheA2DPstereoaudiotranSmissionproposal．ThecomponentsincludedinthehardwaresystemareaudiosamplingandMP3encodingmodule，bluetoothtransmissionmodule，pmcessingunitandpowermodule．ThesoRwaresysteminc

7、ludes：theA2DPprotocolprogrambasedoneVent—statemechanism，WINCEdriVersforserialport，IICinterfaceandthesomeapplications．ThedeVelopmentofIICandUARTdriVerisaboVethestreamdriVerdeVelopmentfi．actureonWINCE．WeusePlatformBuiId5．OforbluetoothaudiotransmissionapplicationdeVelopment．Fin

8、ally，forthepu叩oseofVeri矽ingthefeasibilityofA2DPprotocolalgorithmimplementat