GoでIoT ~BLE入門してみた話~ (Go Conference 2015 Winter LT #GoCon :5分)

by n0bisuke

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(PͰ*P5 (P$POX LIGinc @n0bisuke d#-&ೖ໳ͯ͠Έͨ࿩d

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ࣗݾ঺հ גࣜձࣾ-*(ΤϯδχΞ ੁݪͷͼ͚͢ ɾؠख͔Βڈ೥্ژ ɾ.JMLDPDPBΤόϯδΣϦετ ɾ/PEFKTɺ(PMBOH޷͖Ͱ͢ɻ (Pྺ͸ϲ݄͘Β͍ ɾ*P5ܥͷ։ൃ΍ͬͯͨΓ͠·͢ ࠷৽͸1FQQFSΞϓϦ։ൃ ɾ*P5-5 ɾΘΜͦ͜͹͕ಛٕ

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גࣜձࣾ-*( ্໺ͷ8FC੍࡞ձࣾ *P5΍ςΫϊϩδʔʹ΋໌Δ͍ ײ͡ʹͳΓ͍ͨ

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͸͡Ίʹ (P$POͰ-5͢Δͬͯݴͬͯ͠·͚ͬͨͲɺ ԿΛ͠Α͏ɻɻɻ ࠓ೔ͷ࿩ͷϞνϕʔγϣϯ !UFOOUFOO !OCJTVLF (PͰυϩʔϯඈ͹ͤ·ͤΜ͔ ͍͚·͢Αʂ (PCPUͰ͍͚ͳ͍͔ͳʜ ͍҆υϩʔϯͰ͍͚Δͱ͍͍ΜͰ͢ΑͶɻ

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(PCPU ɾ3PCPUJDT'SBNFXPSL ɾTJTUFSQSPKFDU$ZMPOKTBOE"SUPP IUUQHPCPUJP

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(PCPU IUUQHPCPUJP 1MBUGPSNT4VQQPSU

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(PCPU 4QIFSPΛ(Pݴޠ͔Β੍ޚͯ͠༡ΜͰΈͨc2JJUB IUUQRJJUBDPNOCJTVLFJUFNTB⒎DFCFB աڈʹ4QIFSPͰ࢖ͬͯͨ

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(PCPU υϩʔϯൃݟͷΞμϓλʔ͋ͬͨΑͳ͊ɻɻɻ ͱ͍͏ബ͍هԱ

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(PCPUͷରԠ%SPOF "3%SPOFͱ#FCPQ%SPOF ɾIUUQHPCPUJPEPDVNFOUBUJPOQMBUGPSNTBSESPOF ɾIUUQHPCPUJPEPDVNFOUBUJPOQMBUGPSNTCFCPQ

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(PCPUͷରԠ%SPOF ͨͩ͠ߴ͍ʜ ԁ IUUQBN[OUP-7D)2/ ԁ IUUQBN[OUP-7D["8

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͸͡Ίʹ ࠶ܝ (P$POͰ-5͢Δͬͯݴͬͯ͠·͚ͬͨͲɺ ԿΛ͠Α͏ɻɻɻ ࠓ೔ͷ࿩ͷϞνϕʔγϣϯ !UFOOUFOO !OCJTVLF (PͰυϩʔϯඈ͹ͤ·ͤΜ͔ ͍҆υϩʔϯͰ͍͚Δͱ͍͍ΜͰ͢ΑͶɻ ͍͚·͢Αʂ (PCPUͰ͍͚ͳ͍͔ͳʜ

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ɾɾɾ

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ɾɾɾҰԠ͋Γ·ͨ͠

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͍҆%SPOF 1BSSPU.JOJESPOFγϦʔζ ɾ"*3#03/&/*()5%30/& ɾ৽ܕ೥݄ ɾ3PMMJOH4QJEFS ɾԁ

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͍҆%SPOF 1BSSPU.JOJESPOFγϦʔζ ɾ"*3#03/&/*()5%30/& ɾ৽ܕ೥݄ ɾ3PMMJOH4QJEFS ɾԁ ͨͩ͠ɺ(PCPUະରԠʜ

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͍҆%SPOF 1BSSPU.JOJESPOFγϦʔζ ɾ"*3#03/&/*()5%30/& ɾ৽ܕ೥݄ ɾ3PMMJOH4QJEFS ɾԁ "3%SPOF#FCPQͷ4%,ࢀߟʹͳΔ͔΋ʜ

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͟ΜͶΜ

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ͦ΋ͦ΋઀ଓํ๏͕ҧ͏ ͍҆3PMMJOH4QJEFS͚ͩ#-& ࣮૷͕͋·ΓࢀߟʹͳΒͣ

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#-&Λௐ΂ͯΈΑ͏

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#-&ͷ࢓༷Λௐ΂ͯݟΔ 1FSJQIFSBM $FOUSBM "EWFSUJTJOH1BDLFU ("55 4FSWJDF $IBSBDUFSJTUJD %FTDSJQUPS ॳΊͯฉ͘ݴ༿͹͔Γɻɻɻ

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#-&ͷ࢓༷Λௐ΂ͯݟΔ 1FSJQIFSBM ϖϦϑΣϥϧ ɾ#-&ΨδΣοτଆ $FOUSBM ηϯτϥϧ ɾJ1IPOF΍.BDͳͲ #-&ػث͸1FSJQIFSBMͱ$FOUSBMʹΑͬͯߏ੒͞ΕΔ

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#-&ͷ࢓༷Λௐ΂ͯݟΔ ɾ1FSJQIFSBM͔Β$FOUSBMʹ ൃ৴͞ΕΔσʔλ ɾ#-&઀ଓཱ͕͍֬ͯ͠ͳ͍ஈ֊ Ͱ$FOUSBMʹࣗ෼ͷଘࡏΛ஌ΒͤΔ "EWFSUJTJOH1BDLFU ΞυόλΠδϯάύέοτ

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୤ઢJ#FBDPOͱ#-& J#FBDPO͸"EWFSUJTJOHʹಛԽͨ͠1FSJQIFSBM ɾ˺ΞυόλΠδϯάಛԽͷ#-& ΨδΣοτ ɾ઀ଓޙͷσʔλ΍ΓͱΓͳͲ͸ ߟྀͯ͠ͳ͘γϯϓϧɺ௿ίε τɺ௿ফඅిྗʹৼΓ੾͍ͬͯΔ

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#-&ͷ࢓༷Λௐ΂ͯݟΔ ɾ#-&ͷجຊϓϩϑΝΠϧ ɾͭͷߏ੒ཁૉ 4FSWJDF $IBSBDUFSJTUJD %FTDSJQUPS ("55ʢ(FOFSJD"UUSJCVUF1SPpMFʣ

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("55 ɾ4FSWJDF ΨδΣοτͷػೳҰཡ αʔϏεʹΑͬͯ͸ೖΕࢠߏ଄ ɾ$IBSBDUFSJTUJD ୯Ұͷ஋Λ࣋ͬͨଐੑ ɾ%FTDSJQUPS ෇Ճ৘ใ͕ඞཁͳࡍͷଐੑ஋

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("55

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("55 ɾ4FSWJDF ΨδΣοτͷػೳҰཡ αʔϏεʹΑͬͯ͸ೖΕࢠߏ଄ ɾ$IBSBDUFSJTUJD ୯Ұͷ஋Λ࣋ͬͨଐੑ ɾ%FTDSJQUPS ෇Ճ৘ใ͕ඞཁͳࡍͷଐੑ஋ ΦϒδΣΫτࢦ޲ϓϩά ϥϛϯάతʹݴ͏ͱ ɾ4FSWJDF Ϋϥε ɾ$IBSBDUFSJTUJD ϓϩύςΟ ͱଊ͑Δͱ෼͔Γ΍͍͢

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ࠓճͷ৔߹ 1FSJQIFSBM $FOUSBM "EWFSUJTJOH $POOFDU ("55 ͜ΜͳΠϝʔδͰ͢ɻ όοςϦʔαʔϏε ίϯτϩʔϧαʔϏε FUD

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ϓϩάϥϜͷੈք΁ ͜͜·Ͱͷલఏ஌ࣝΛ΋ͱʹௐ΂ͯΈΔ

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QBZQBMHBUU IUUQTHJUIVCDPNQBZQBMHBUU ɾ(PͰ(BUUΛ࢖͏ύοέʔδ ɾͳ͔ͥ1BZ1BM͕࡞ͬͯΔ

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4FSWJDF66*%Λௐ΂Δ -JHIU#MVFͳͲͷΞϓϦͰ66*% ࣝผࢠ ΛݟΕΔ

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4FSWJDF66*%ͷௐ΂ํ ௨ৗ͸4%,ͳͲͷυΩϡϝϯτΛݟΔ ɾʜ͔͠͠QBSSPUͷσΟϕϩούʔαΠτ͕৭ʑ୳͠ ʹ͍͘ ɾ3PMMJOH4QJEFSͷϦϙδτϦ͸ެࣜʹ͸ͳ͍ʜ ɾ αϯϓϧʹ͠Εͬͱஔ͍ͯ͋Δ IUUQTHJUIVCDPN1BSSPU%FWFMPQFST4BNQMFT ɾαʔυύʔςΟੑ4%,Λݟͨํ͕ࢀߟʹͳΔ

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4FSWJDF66*%ͷௐ΂ํ αʔυύʔςΟ4%,ͷίʔυྫ

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/PEFKTͷ࣮૷Λൃݟ IUUQTHJUIVCDPNWPPEPPUJLJHPE OPEFSPMMJOHTQJEFS ɾ/PEFKTͷύοέʔδΛ࡞ͬͯΔਓ͕͍·ͨ͠ɻ ɾ಺෦ͰOPCMFͱ͍͏ύοέʔδΛར༻ IUUQTHJUIVCDPNTBOEFFQNJTUSZOPCMF  ͨͿΜ/PEFKTͷதͰ͸௿ϨΠϠʔ

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ͦͷଞͷύοέʔδ΋ ɾIUUQTHPXBMLFSPSHHJUIVCDPN OJOKBTQIFSFHBUU ɾIUUQTHJUIVCDPNTIJSPVOPCMFDIJME ࢖ͬͯͳ͍͚ͲɺͲ͏ͳΜͰ͠ΐ͏ʁ

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͜Μͳײ͡Ͱ͢ɻ

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·ͱΊ ɾ(PͰ%SPOFΛඈ͹ͤ·͢ ɾηϨϒ͸"3%SPOF#FCPQΛ(PCPUͰ΍Δͱָ ɾॸຽ͸3PMMJOH4QJEFSܥ౷Λબ୒  ɹQBZQBMHBUUͰ#-&Λ࢖ͬͯΈ·͠ΐ͏ɻ ɾ#-&ͷ࢖͍ํ֮͑Δͱ৭ʑͳػثʹԠ༻Մ ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ CZ!OCJTVLF