AN415 EZRADIOPRO PROGRAMMING GUIDE.pdf

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1、AN415EZR®ADIOPROPROGRAMMINGGUIDE1.IntroductionThisdocumentgivesanoverviewofconfiguringtheEZRadioPROradiosfortransmitter,receiver,andtransceiveroperationviaseveralsimplesoftwareexamples.Thefollowingexamplesarecoveredinthisprogrammingguide:HowtousetheEZRadioPROtransmitterortransceiverforpacke

2、ttransmissioninFIFOmodeHowtousetheEZRadioPROreceiverortransceiverforpacketreceptioninFIFOmodeHowtousetheEZRadioPROtransceiverforbidirectionalpacket-basedcommunicationHowtotransmitandreceivepacketswithlongerthan64bytespayloadusingtheFIFOThelatestexamplesourcecodeisavailableontheSiliconLabs

3、website:www.silabs.com/products/wireless/EZRadioPRO/orontheWDSCDROMthatshipswiththeevaluationboardkits.2.HardwareOptionsThesourcecodeisprovidedforthreeEZRadioPROtransceiverchips:Si4431RevisionA0,Si4432RevisionV2,andSi443xRevisionB1.Therearefewdifferencesbetweentheradios.TheSi443x-B1isthelate

4、stproductionrevision.AlltheerrataitemsofSi4431-A0andSi4432-V2arecorrectedonthissilicon.TheSi4432-V2requiressomeregisterstobeprogrammedtovaluesotherthantheirdefaultvalues.ThesearenotneededfortheSi4431-A0.TheSi4431-A0andSi443x-B1haveseparateregistersforsettingtheAuto-FrequencyCalibrationlimi

5、t;however,theFrequencyDeviationregisterisusedforthispurposeiftheSi4432-V2isused.Differentmodemparametershavetobeusedforallrevisions.InvalidpreambletimeoutisdefineddifferentlyfortheSi4432-V2.Separatesourcecodeexamplesareprovidedforallrevisionswiththedifferenceshighlightedintheprogramminggui

6、de.Note:WhileonlytheSi4431-A0,Si4432-V2,andSi443x-B1devicesarementionedinthedocument,thetransmitorreceivesoftwareworkswiththeEZRadioPROstandalonetransmittersandreceivers.TheSi4431-A0transmitexamplecodeworkswiththeSi4031-A0withoutanychanges.ThecodeisalsoapplicabletotheSi4430-A0orSi4030-A0,b

7、utthecenterfrequencyhastobesettotheappropriatevalue.ThetransmitexamplecodeprovidedfortheSi4432-V2workswiththeSi4032-V2withoutanychanges.ThereceiveexamplecodefortheSi4431workswiththeSi4330-A0withoutanychanges.TheSi443x-B1transmitexamplecodewor