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Bluetoothわかんねぇよなぁ!ハム太郎! / Bluetooth_hamutaro
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8yabusa
January 24, 2019
Programming
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Bluetoothわかんねぇよなぁ!ハム太郎! / Bluetooth_hamutaro
IoT縛りの勉強会での発表資料です。
BLEアプリ開発で遭遇した結果整合性の取り方と、Bluetoothわかんねぇなぁという気持ちを話しました。
8yabusa
January 24, 2019
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Transcript
#MVFUPPUIΘ͔ΜͶ͐Αͳ͊ʂ ϋϜଠʂʂ ZBCVTB !*P5റΓͷษڧձ4*FS*P5-5WPM
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2SJPJODͰ2SJP-PDL։ൃͳͲ w "OESPJEΞϓϦ։ൃϝΠϯ w αʔόαΠυΈࠐΈڵຯ͋Γ
2SJPೖࣾલ d w ϒϧʔτΡʔε
2SJPೖࣾ d w 2SJP-PDL"OESPJEΞϓϦ։ൃʹؔΘΔ
ࠒ w ແࣄϦϦʔεʂ
2SJP-PDL w αϜλʔϯʹඃͤΔ w εϚϗͰղࢪৣ w ΦʔτϩοΫ w ϋϯζϑϦʔղৣ w
εϚϗͱϩοΫͷ௨৴ʹ#-& #MVFUPPUI-PX&OFSHZ Λ༻
Πϝʔδಈը࠶ੜ
*P5ͷΞϓϦ։ൃ໘ന͍ w ී௨ߟ͑ͳ͍͍͕ͯ͘ग़Δ w ྫ͑ͲΜͳʁ
લఏ௨৴ܦ࿏ͷߏ #-& 8J'J (-5& ϩοΫ ΞϓϦ 8FCαʔόʔ
ཁٻϩοΫͷઃఆΛ͍ͨ͠ w ୭͕։͚͔ͨɺดΊ͔ͨͱ͔ w ϩοΫͷి͕ݮͬͯΔͱ͔
͜ΕͰ͍͍͔ ઃఆ݁Ռ ઃఆ #-& 8J'J (-5& ϩοΫ ΞϓϦ 8FCαʔόʔ
͍ʁ w ΦʔτϩοΫͷઃఆ͍ͯ͠Δ͔ԕ͔͘ΒͰݟ͍ͨ
͜͏ͳΔ ઃఆ݁Ռ ઃఆ #-& 8J'J (-5& ϩοΫ ΞϓϦ 8FCαʔόʔ ઃఆऔಘ
ઃఆ݁Ռ
ઃఆޭ͚ͨ͠Ͳ Ͱࣦഊͨ͠Β ઃఆ݁Ռ ઃఆ #-& 8J'J (-5& ϩοΫ ΞϓϦ 8FCαʔόʔ
ઃఆऔಘ ઃఆ݁Ռ
ݩͷઃఆʹͤΔอূͳ͍ ઃఆ݁Ռ ઃఆ #-& 8J'J (-5& ϩοΫ ΞϓϦ 8FCαʔόʔ ઃఆ݁Ռ
ઃఆר͖͠ ઃఆऔಘ
ϩοΫͱ8FCαʔόʔͰෆ߹ ઃఆ݁Ռ ઃఆ #-& 8J'J (-5& ϩοΫ ΞϓϦ 8FCαʔόʔ ઃఆऔಘ
ઃఆ݁Ռ
8FCαʔόʔͱͷಉظʹ ࣦഊͨ͠Β w ݫີͳ߹ੑ ͨͿΜ ແཧ w ͕࣌ؒܦͯ߹ੑ͕ͱΕΔΑ͏ʹ͢Δ ݁Ռ߹ੑ
݁Ռ߹ੑͷબࢶ ΞοϓϩʔυͷࣦഊΛ௨ͯ͠ϢʔβʔʹΓͯ͠Β͏ όοΫάϥϯυλεΫʹੵΜͰϦτϥΠ ಉظ͢ΔΑ͏ͳΈΛೖΕΔ
ΞοϓϩʔυͷࣦഊΛ௨ͯ͠ ϢʔβʔʹΓͯ͠Β͏ w ϓογϡ௨ ʮઃఆͷΞοϓϩʔυʹࣦഊ͠·ͨ͠ɺ ͓खͰ͕͢࠶ઃఆΛ͓ئ͍͠·͢ʯ w ΞϦͰʁ w ͜ͷεϥΠυॻ͍ͯͯࢥ͍͍ͭͨͷͰະ࣮
όοΫάϥϯυλεΫʹ ੵΜͰϦτϥΠ w ඇಉظͰλεΫΛ࣮ߦ͢ΔΈ ޭ·Ͱ܁Γฦͨ͠ΓɺϦτϥΠִؒΛௐͨ͠ΓͰ͖Δ w "OESPJEͩͱ+PC4DIFEVMFS8PSL.BOBHFS w J04ͩͱαʔυύʔςΟϥΠϒϥϦ͔ΒԿ͔ σϑΝΫτελϯμʔυͳͦ͞͏
όοΫάϥϯυλεΫʹ ੵΜͰϦτϥΠ w ࣮ͯ͠ͳ͍ɻ࣮ίετߴׂ͍ʹޮՌͦ͏ ϦτϥΠ͕͍݅͠ w ϦτϥΠͯ͠ޮՌ͕͋Δ߹͍ͬͯͭʁ ϦτϥΠதʹଞͷϢʔβʔ͕ϩοΫͷઃఆมߋͨ͠߹
w ૹ৴͢Δใʹઃఆมߋ࣌ͷλΠϜελϯϓΛ࣋ͨͤͯɺ αʔόʔଆͰݹ͍ใແࢹ͢Δ࣮͕ඞཁ
ಉظ͢ΔΈΛೖΕΔ w ࣮ͯ͠·͢ w ϩοΫͱ௨৴ͨ࣌͠ʹ ใΛͱͬͯΞοϓϩʔυ w ղࢪৣը໘සൟʹΘΕΔఆ ͜͜Ͱಉظ͢Ε߹ੑऔΕΔ
߹ੑऔΔ͚ͩͰ ͍ΖΜͳબࢶ͕͋Δ w ΞϓϦ։ൃͰଞͰ͋·Γݟͳ͍Α͏ͳʜ w ΞϓϦ։ൃͰͳ͍ΤϯτϦ͕ࢀߟʹͳͬͨΓ͢Δ w ʮෳαʔϏεؒͷ߹ੑͷऔΓΈʹ͍ͭͯʯ IUUQTUFDIMJGFDPPLQBEDPNFOUSZ
#MVFUPPUIΘ͔ΜͶ͐Αͳ͊ʂ ϋϜଠʂʂ ʹ%SPJE,BJHJͰ ʮ#-&ΞϓϦઃܭύλʔϯʯͱ͍͏ͰΛ͠·͢ #-&͜ͷձࣾͰ͔ͬͯ͠ͳ͍ɻܦݧෆʜ ͍ΖΜͳฉ͍ͯؒతͳܦݧཷΊ͍ͨ
ొஃͯ͠ฉ͜͏ʂ(イマココ)
Γ͍ͨ w #MVFUPPUIΛͬͨαʔϏεͷܦݧஊ w ϋϚͬͨͱ͜ͱ͔ w "OESPJEͱ#-&ͱ͔ແݶʹϋϚΓͲ͜Ζ͋Γͦ͏ w ଞ௨৴ϓϩτίϧͷΓ͍ͨ w
#MVFUPPUI$MBTTJD;JHCFFͱ͔͋·ΓΒͳ͍
͚ͬʂ w ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ