內(nèi)容成果講稿mtiot wifi calibrationsop v

MT7681IoTCalibration Release ?2008‐2014MediaTekThiscontainsinformationthatisproprietarytoMediaTekUnauthorizedreproductionordisclosureofthisinformationinwholeorinpartisstrictlyRevisionFirstInitialdraftforMT7681IoTCalibration tocontrolTX Correct “AT#ATE”to forRxModeAddAT#ATECAL forRXAddAT#ATECAL forTXAddAT#ATECALparameter(‐b) Tx調(diào)整過程，如何進(jìn)入CalibrationModeRx調(diào)整過程,otherAddiwprivra0commandTableof 調(diào)整前default.bin的準(zhǔn) AT#ATECAL命令調(diào)整方 TXMode調(diào)整過程 用default.bin校準(zhǔn)頻偏（XTAL 測試Channelx的 調(diào)整參數(shù)(以TxPower為例 RxMode調(diào)整過 RXTest測試方 IWPRIVRA0命令調(diào)整方 TXMode調(diào)整過 用default.bin校準(zhǔn)頻偏（XTAL 測試Channelx的 調(diào)整參數(shù)(以TxPower為例 RxMode調(diào)整過 RXTest測試方 了解CALIBRATION參數(shù)的存放位置依照文件：依照文件：CalibrationCalibrationFlashPartitions的EEPROMBlock 調(diào)整前調(diào)整前default.bin的準(zhǔn)備調(diào)整前，需將default.bin由MediatekSA提供)燒錄到FlashEEPROMBlockMT7681_all.binMT7681的Firmware)時(shí)，將default.bin整合到MT7681_all.bin中并燒錄到調(diào)整方式調(diào)整方式MT7681，通過UART傳輸ATCommand執(zhí)行 AT#ATECAL AT#ATECAL命令調(diào)整方式TXMode調(diào)整過程進(jìn)入CalibrationStep1：MT7681Step2：當(dāng)串口打印[RTask]***AT#ATECAL7681會(huì)打印EnterintoCalibrationMode，進(jìn)入CalibrationStep3TxPacket發(fā)送：AT#ATECALS1m1c7b0C1g0‐f95p0n1000‐r1或者輸入命令做RxPacket的接收測試：AT#ATECAL–S2b0 Dest B PayLoadLength:800Bytes(notincludeMAC調(diào)整的參數(shù)值，都默認(rèn)使用寫入完成后，NormalMode情況下7681是從Efuse還是Flash去套用調(diào)整值 (代碼中有一個(gè)全局變量gCaliFrEufse，[0:Flash,1:Efuse]用用default.bin校準(zhǔn)頻偏（XTALStep1：發(fā)送“AT#ATECAL //ATEprocessTxMode [0:Stop,1:Tx,Step2：發(fā)送“AT#ATECAL‐m1” //TXMode11g [0:CCK,1:OFDM,2:HTMixed,3:HTGreen]Step3：發(fā)送“AT#ATECAL‐c5” //TXMCSMaxrate [See:Table‐1]Step4：發(fā)送“AT#ATECAL‐b0” //Bandwidth20M Step5：發(fā)送“AT#ATECAL–C1” //channel1 [1~14]Step6：發(fā)送“AT#ATECAL–g0” //TXGIlongguardinterval [0:ShortGI,1:FullGI]Step7：發(fā)送“AT#ATECAL–f65” //TXFreqOffset(XTAL) Step8：發(fā)送“AT#ATECAL–p30” //TXpower(先參考default.bin的值)[0~39]Step9：發(fā)送“AT#ATECAL–n100000” //ATETXCount Step10：發(fā)送“AT#ATECAL–r1000” //ATETXFrameSpeed(uint:1ms)[0~ Step11：發(fā)送“AT#ATECAL–l800” //ATETXPayloadLength 若設(shè)定‐b1表示進(jìn)入Bandwidth40M的模式，此時(shí)‐C就表示Center也可輸入如下命令：(注意順序需要保持AT#ATECAL‐S1‐m1‐c5‐b0‐C1‐g0‐f65‐p30‐n10000–r1000調(diào)整紅色字體XTALLoffset值，使得IQview量出來的FeqErr(kHz)‐5~5之間（參考值）若需要調(diào)整停止，則輸入如下ATCommand即可Step1：發(fā)送“AT#ATECAL 測試測試Channelx的Step1：發(fā)送“AT#ATECAL //ATEprocessTxMode [0:Stop,1:Tx,Step2：發(fā)送“AT#ATECAL‐m1” //TXMode11g [0:CCK,1:OFDM,2:HTMixed,3:HTGreen]Step3：發(fā)送“AT#ATECAL‐c5” //TXMCSMaxrate [See:Table‐1]Step4：發(fā)送“AT#ATECAL‐b0” //Bandwidth20M [0:BW20, Step5：發(fā)送“AT#ATECAL‐Cx” //channel1 Step6：發(fā)送“AT#ATECAL–g0” //TXGIlongguardinterval [0:ShortGI,1:FullGI]Step7：發(fā)送“AT#ATECAL–f65” //TXFreqOffset(XTAL) Step8：發(fā)送“AT#ATECAL–p30” //TXpower(先參考default.bin的值)[0~39]Step9：發(fā)送“AT#ATECAL–n100000” //ATETXCount Step10：發(fā)送“AT#ATECAL–r1000” //ATETXFrameSpeed(uint:1ms)[0~ Step11：發(fā)送“AT#ATECAL–l800” //ATETXPayloadLength 也可輸入如下命令：(注意順序需要保持AT#ATECAL‐S1‐m1‐c5‐b0‐Cx‐g0‐f65‐p30‐n10000–r1000D0hD0hisOFDM54Mtargetpower.Unitis0.5e.g.Fortargetpower16dBm,setD0has設(shè)定channelx 調(diào)整TXpower的值，根據(jù)客戶的要求調(diào)整參考值：AVgPow（dBm）在targetpower1~targetpower調(diào)整完channelxchannel調(diào)整完所有14個(gè)channel后，再通過如下ATECommand將值寫入ChipEfuse中(紅色數(shù)據(jù)為調(diào)整的各channleTxPower值)22調(diào)整參數(shù)(以TxPower為例將TXPOWER調(diào)整值寫入CHIPEFUSE0X52~0X5A的位置AT#EFUSE–s82 //setDecimalValue:17toEfuseoffsetAT#EFUSE–s90 //setDecimalValue:20toEfuseoffsetAT#EFUSE 將TXPOWER調(diào)整值寫入FLASHEEPROMBLOCK從0X52~0X5A的位置AT#FLASH–s94290–v17//setDecimalValue:17toFlashEEPROMoffsetAT#FLASH–s94298–v20//setDecimalValue:20toFlashEEPROMoffset可通過如下命令寫入到FlashEEPROMBlock的TxPower Flash–srFLASHEEPROM位置0x17000(參考FlashLayout)，TxPower:0x52(在EEPROMBlock的位置)0x17000+0x52=0x17052 =94290(十進(jìn)制)RxRxMode調(diào)整過程Rx調(diào)整前準(zhǔn)備為便于驗(yàn)證CalibrationRxTxmode的SourceMACa：TXTestSourceMAC為：00:aa:bb:cc:dd:ee b：RXTestSourceMAC為：在進(jìn)行7681RxTestDestMac設(shè)定要是00:11:22:33:44:55(即7681RxMode的RXRXTest測試方法[‐S2:star ‐t的默認(rèn)值為1000Stp2：Uart界面每隔2s會(huì)打印LOGSM=0,Sub=0TEPeriodicExec:Rxcnt= :2 :2 tl:0AvgRssi0=2s內(nèi)所收Unicasttome的packet數(shù)量累計(jì)接收Unicasttomepacket的總數(shù)量][2s內(nèi)所收B/M/NU的packet數(shù)量/累計(jì)接收B/M/NUpacket的總數(shù)量]2s內(nèi)所收管理/Packet的t數(shù)量累計(jì)接收管理/packet的總數(shù)量](B/M/NU=BroadCast+Multicast+NotToMeUnicast)這里表示2s內(nèi)接收到Packet的平均RSSIStep3：停止RxMode：AT#ATECAL IWPRIV IWPRIVRA0命令調(diào)整方式TXMode調(diào)整過程進(jìn)入CalibrationStep1：MT7681Step2：當(dāng)串口打印[RTask]***iwprivra07681會(huì)打印EnterintoCalibrationMode，進(jìn)入Calibration Dest B PayLoadLength:800Bytes(notincludeMAC調(diào)整的參數(shù)值，都默認(rèn)使用寫入完成后，NormalMode情況下7681是從Efuse還是Flash去套用調(diào)整值 (代碼中有一個(gè)全局變量gCaliFrEufse，[0:Flash,1:Efuse]每條iwprivra0用用default.bin校準(zhǔn)頻偏（XTALiwprivra0setiwprivra0set//ATEprocessiwprivra0set//TXMode[0:CCK,1:OFDM,2:HTMixed,3:HTiwprivra0set//TXMCSMax[See:iwprivra0set iwprivra0set//TXGIlongguard[0:ShortGI,iwprivra0set//ATETXiwprivra0set//TXFreqOffsetiwprivra0 //ATETX iwprivra0setATETXPOW0=0 //TXpower先參考default.bin的值0~39]iwprivra0setATE=TXFRAME若設(shè)定‐b1表示進(jìn)入Bandwidth40M的模式，此時(shí)‐C就表示Center調(diào)整紅色字體XTALLoffset值，使得IQview量出來的FeqErr(kHz)‐5~5之間（參考值）若需要調(diào)整停止，則輸入如下ATCommand即可iwprivra0set //ATEprocess測試測試Channelx的iwprivra0setiwprivra0set//ATEprocessiwprivra0set//TXMode[0:CCK,1:OFDM,2:HTMixed,3HTiwprivra0set//TXMCSMax[See:iwprivra0set iwprivra0set//TXGIlongguard[0:ShortGI,iwprivra0set//ATETXiwprivra0set//TXFreqOffsetiwprivra0 //ATETX iwprivra0setATETXPOW0=0 //TXpower先參考default.bin的值0~39iwprivra0setATE=TXFRAMED0hD0hisOFDM54Mtargetpower.Unitis0.5e.g.Fortargetpower16dBm,setD0has設(shè)定channelx 調(diào)整TXpower的值，根據(jù)客戶的要求調(diào)整參考值：AVgPow（dBm）在targetpower1~targetpower調(diào)整完channelxchannel調(diào)整完所有14個(gè)channel后，再通過如下ATECommand將值寫入ChipEfuse中(紅色數(shù)據(jù)為調(diào)整的各channleTxPower值)調(diào)整參數(shù)(以TxPower為例將TXPOWER調(diào)整值寫入CHIPEFUSE0X52~0X5A的位置iwpivra0sete2p //setDecimalValue:17toEfuseoffsetiwprivra0sete2p //setDecimalValue:20toEfuseoffsetiwprivra0sete2p //readTxPower0x52valueon將TXPOWER調(diào)整值寫入FLASHEEPROMBLOCK從0X52~0X5A的位置iwprivra0setflash0x17052=0x11//setDecimalValue:17toFlashEEPROMoffsetiwprivra0setflash0x1705A=0x14//setDecimalValue:20toFlashEEPROMoffset可通過如下命令寫入到FlashEEPROMBlock的TxPoweriwprivra0setflash //readTxPower0x52(Dec:82)valueonFlashEEPROMFLASHEEPROM位置0x17000(