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iOSDC 2019 BLE
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coe
September 01, 2019
Technology
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iOSDC 2019 BLE
iOSDC 2019 BLE and L2CAP
coe
September 01, 2019
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Transcript
#-&ͰJ04"OESPJEؒͰ ͦͦ͜͜େ͖ͳαΠζͷσʔλ௨ ৴Λ࣮ݱ͢Δ -$"1͋ΔΑ J04%$ڧ
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͡Ίʹ
͡Ίʹ
͡Ίʹ ϖʔδ
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͡Ίʹ
1FSJQIFSBM $FOUSBM ͡Ίʹ ೋͭͷϩʔϧʹΘ͔ΕΔ
1FSJQIFSBM $FOUSBM 1FSJQIFSBM ΞυόλΠζʢࠂʣύέοτΛൃ৴ͯࣗ͠Λݟ ͚ͭͯΒ͏
1FSJQIFSBM $FOUSBM $FOUSBM ΞυόλΠζΛεΩϟϯͯ͠ɺతͷ1FSJQIFSBMΛ ୳͢
1FSJQIFSBM $FOUSBM $FOUSBM͕1FSJQIFSBMΛൃݟͰ͖ͨΒɺଓΛߦ ͍ɺσʔλ௨৴ͷ४උΛߦ͏ ίωΫγϣϯͷཱ֬
1FSJQIFSBM $FOUSBM ίωΫγϣϯͷཱ֬ ଓͨ͠Βɺσʔλ௨৴Ͱ͖ΔΑ͏ʹͳΔ
ͨͩ͠
$FOUSBM $FOUSBM ҙ ϋʔυΣΞͷதʹɺ1FSJQIFSBMʹͳΕͳ͍ ଘࡏ͢Δ
$FOUSBM $FOUSBM ҙ ϋʔυΣΞͷதʹɺ1FSJQIFSBMʹͳΕͳ͍ ଘࡏ͢Δ
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ͦΕͧΕ 04ຖʹݟ͍ͯ͘
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#-&Ͱͷ௨৴
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1JYFMB 20 -
1FSJQIFSBM J1IPOF1MVT 1FSJQIFSBM 1JYFMB $FOUSBM J1IPOF1MVT - 180 $FOUSBM 1JYFMB
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1JYFMB J1IPOF1MVT &YDIBOHF.56 "OESPJEɺ&YDIBOHF.56ΛૹΒͳ͍ͨΊɺ όΠτ͔͠ૹΕͳ͍
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దͳʁ
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Λड͚औΕΔ
1JYFMB J1IPOF1MVT ॻ͖ࠐΉ ઌ΄Ͳಘͨ όΠτͰσʔλॻ͖ࠐΈ
1JYFMB J1IPOF1MVT ॻ͖ࠐΉ ઌ΄Ͳಘͨ όΠτͰσʔλॻ͖ࠐΈ
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J04$FOUSBMͷ࠷దͳ όΠτͷٻΊํ
J04$FOUSBMͷ࠷దͳόΠτ ͷٻΊํ
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1JYFMB J1IPOF1MVT NBYJNVN8SJUF7BMVF-FOHUI GPSXJUI3FTQPOTF J04$FOUSBMͷ࠷దͳόΠτ ͷٻΊํ Ͱ͢Α
1JYFMB J1IPOF1MVT όΠτͰॻ͖ࠐΉΑ J04$FOUSBMͷ࠷దͳόΠτ ͷٻΊํ
1JYFMB J1IPOF1MVT όΠτͰॻ͖ࠐΉΑ J04$FOUSBMͷ࠷దͳόΠτ ͷٻΊํ όΠτ
1JYFMB J1IPOF1MVT όΠτͰॻ͖ࠐΉΑ J04$FOUSBMͷ࠷దͳόΠτ ͷٻΊํ όΠτ όΠτσʔλ͕ܽଛ͢Δ
1JYFMB J1IPOF94.BY όΠτͰॻ͖ࠐΉΑ J04$FOUSBMͷ࠷దͳόΠτ ͷٻΊํ όΠτ J1IPOF94.BYͩͱσʔλܽଛى͖ͳ͍
$FOUSBMXSJUFCZUFT 1FSJQIFSBM J1IPOF 1FSJQIFSBM 1JYFMB 1FSJQIFSBM J1IPOF94.BY $FOUSBM J1IPOF -
180 180 $FOUSBM 1JYFMB 514 - 514 $FOUSBM J1IPOF94.BY 512 512 -
$FOUSBMXSJUFCZUFT 1FSJQIFSBM J1IPOF 1FSJQIFSBM 1JYFMB 1FSJQIFSBM J1IPOF94.BY $FOUSBM J1IPOF -
180 180 $FOUSBM 1JYFMB 514 - 514 $FOUSBM J1IPOF94.BY 512 512 - ಉҰ04Ͱ͋ͬͯɺʹΑͬͯૹ৴Ͱ͖ΔόΠτʹ͕ࠩग़Δ
rIUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPODPSFCMVFUPPUI DCQFSJQIFSBMNBYJNVNXSJUFWBMVFMFOHUI ͜ͷ"1*ࠩΛߟྀͤͣɺ͕ฦͬͯ͘Δ
ͳͷͰ
1FSJQIFSBM $FOUSBM J04$FOUSBMͷ࠷దͳόΠτ ͷٻΊํ όΠτॻ͖ࠐΈ·ͨ͠Α ࣮ࡍʹ౸ୡͨ͠σʔλΛ 1FSJQIFSBM͔Β$FOUSBMڭ͑ͯཉ͍͠
1FSJQIFSBM $FOUSBM J04$FOUSBMͷ࠷దͳόΠτ ͷٻΊํ ࣮ࡍʹ౸ୡͨ͠σʔλΛڭ͑ΔΑ͏ ͋Β͔͡Ίొ͓ͯ͘͠ σʔλॻ͖ࠐΈόΠτ௨ొ
1JYFMB J1IPOF1MVT όΠτͰॻ͖ࠐΉΑ J04$FOUSBMͷ࠷దͳόΠτ ͷٻΊํ όΠτ
1JYFMB J1IPOF1MVT όΠτͰॻ͖ࠐΉΑ J04$FOUSBMͷ࠷దͳόΠτ ͷٻΊํ όΠτ όΠτॻ͖ࠐΈ·ͨ͠Α
1JYFMB J1IPOF1MVT όΠτͰॻ͖ࠐΉΑ J04$FOUSBMͷ࠷దͳόΠτ ͷٻΊํ όΠτ όΠτॻ͖ࠐΈ·ͨ͠Α ࣮ࡍʹ౸ୡͨ͠σʔλΛɺ /PUJGZͷܗͰ૬खʹ͑Δ
None
1FSJQIFSBM $FOUSBM 1FSJQIFSBMˠ$FOUSBM
1FSJQIFSBMˠ$FOUSBM $IBSBDUFSJTUJD ໊લ छผ ׂ 1 ಡΈऔΓϦΫΤετ Write with response
σʔλͷಡΈऔΓ։࢝ό ΠτҐஔΛࢦఆ͢Δ 2 ಡΈऔΓϨεϙϯε௨ొ Notify ಡΈऔΓϦΫΤετ͔Βɺ ૹΓ͍ͨσʔλΛΓऔͬ ͯ௨͢Δ
1FSJQIFSBM $FOUSBM 1FSJQIFSBMˠ$FOUSBM 1FSJQIFSBM͔Β$FOUSBMʹσʔλΛ௨͢ΔͨΊ ௨ొ ಡΈऔΓϨεϙϯε௨ొ
1FSJQIFSBM $FOUSBM 1FSJQIFSBMˠ$FOUSBM ಡΈऔΓϦΫΤετ $FOUSBMଆ͕ɺඞཁͳσʔλΛԿόΠτ͔Βཉ͠ ͍͔Λ͑Δ
1FSJQIFSBM $FOUSBM 1FSJQIFSBMˠ$FOUSBM 1SJQIFSBMଆɺ$FOUSBMଆͷσʔλ࠷େʹ߹Θ ͤͯσʔλΛฦͯ͋͛͠Δ OPUJGZ σʔλ࠷େ ಡΈऔΓϦΫΤετ
σʔλ࠷େͷٻΊํ
rIUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPODPSFCMVFUPPUI DCDFOUSBMNBYJNVNVQEBUFWBMVFMFOHUI 1FSJQIFSBMˠ$FOUSBM J04͕1FSJQIFSBMͷ߹ɺσʔλ࠷େ $#$FOUSBMNBYJNVN6QEBUF7BMVF-FOHUI ͰௐΒΕΔ
rIUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPODPSFCMVFUPPUI DCDFOUSBMNBYJNVNVQEBUFWBMVFMFOHUI 1FSJQIFSBMˠ$FOUSBM "OESPJE͕1FSJQIFSBMͷ߹ɺσʔλ࠷େ #MVFUPPUI(BUU4FSWFS$BMMCBDLPO.UV$IBOHFE Ͱड͚औͬͨ.56͔Βͨ͠ʹͳΔ
1FSJQIFSBM $FOUSBM 1FSJQIFSBMˠ$FOUSBM ಡΈऔΓϦΫΤετ CZUF OPUJGZ $FOUSBMଆ͕σʔλΛԿόΠτ͔Βཉ͍͔͠ ͑Δ
ಡΈऔΓϦΫΤετ OPUJGZ σʔλ࠷େ
1FSJQIFSBM σʔλ࠷େCZUF 1FSJQIFSBMˠ$FOUSBM 1FSJQIFSBMɺෳͷʹଓ͞Ε͍ͯΔՄೳੑ͋ΔͨΊɺ ୭͔ΒXSJUFཁٻ͞Ε͔ͨɺʹΑͬͯσʔλ༰Λม͑Δ σʔλ࠷େCZUF OPUJGZ OPUJGZ
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͓͔͍͠ͳɺͱࢥͬͨΒ
#-&ͷॲཧ͕ಈ͔ͳ͍ J04
#-&ͷॲཧ͕ಈ͔ͳ͍ J04 $#$FOUSBM $#1FSJQIFSBM $#-$"1$IBOOFM ͳͲ ඞͣΫϥεͷϓϩύςΟʹอ͓࣋ͯ͘͠ Α͘Θ͔Βͳ͍Τϥʔʹ·͞ΕΔ͜ͱʹͳΓ·͢
σʔλ͕ਖ਼͘͠ૹΕͳ͍
σʔλ͕ਖ਼͘͠ૹΕͳ͍
σʔλ͕ਖ਼͘͠ૹΕͳ͍
σʔλ͕ਖ਼͘͠ૹΕͳ͍ w όΠτΦʔμʔ -JUUMF&OEJBO #JH&OEJBO ʹ͕͋Γ·͢ w J04ଆ w όΠτΦʔμʔΛ֬ೝ͢Δ
#ZUF0SEFS6UJMJUJFT w $'#ZUF0SEFS(FU$VSSFOU w "OESPJEଆ w #ZUF#V⒎FSͷѻ͍ʹؾΛ͚ͭΔ w #ZUF#V⒎FSͷॳظόΠτΦʔμʔ#JHFOEJBOͰ͢ w #ZUF#V⒎FSPSEFS
͍͞͝ʹ w ͓͏ʂ-$"1 w ࠓճͷγʔέϯεΛΞϨϯδͯ͠ɺ৽ͨͳ#-&ΞϓϦΛ࡞ Ζ͏ʂ