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iOSxBLEで苦しまないために
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Kohei Tabata
July 26, 2016
Programming
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1.2k
iOSxBLEで苦しまないために
Kohei Tabata
July 26, 2016
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Transcript
iOSxBLEͰ ۤ͠·ͳ͍ͨΊʹ 2016/07/26 AKIBA.swift@Ϋϥεϝιουגࣜձࣾ
ࣗݾհ ɾKohei Tabata(@nerd0geek1) ɾiOS/MacOS/tvOS Developer ɾSaib Studio LLC ɾFastlaneେ͖ ɾ࠷ۙBLEͱྑ͠
Said Studio LLC Said Studio LLC
Next! Remote ɾLT/ϓϨθϯ༻iOSɾMacΞϓϦ ɾiOSΞϓϦ͔ΒMacͷεϥΠυΛૢ࡞Մೳ ɾศརͳλΠϚʔػೳ͖ʂ MacΞϓϦͪ͜Β͔Βɻ http://saib-stud.io/Next_Installer.pkg
BLEɺҊ݅Ͱͬͯ·͢ʁ
Ή͠ΖɺBLEͬͯ·͢ʁ
SoftBank͕ARMങऩ
࣍ ɾBluetooth͓͞Β͍ ɾBLEͱBeacon ɾBLEҊ݅ͷҙϙΠϯτ ɹɾڑΛଌΓ͍ͨʁ ɹɾPeripheral͕ݟ͔ͭΒͳ͍ʁ ɹɾσόοά(ཧ)
Bluetooth͓͞Β͍ ɾBluetoothͷ༷ͷมભ ɾBluetooth ClassicͱBluetooth Low Energy
Bluetoothͷ༷ͷมભ
Bluetooth ClassicͱLow Energy ɾBluetooth Classic ɹɾBluetooth3.0Ҏલͷ༷ʹର͢Δݺশ ɹɾϚεɺΩʔϘʔυɺϔουϑΥϯͳͲɻ ɹɾߴͳ௨৴ ɹɾMFiϓϩάϥϜՃೖඞཁɻ ɾBluetooth
Low Energy(BLE) ɹɾBluetooth4.0ͷݺশ ɹɾBluetooth Classicͱͷޙํޓੑͳ͠ ɹɾলిྗɾলίετʹओ؟
BLEͱBeacon ɾBLEͷଓϑϩʔ ɾBeaconͱ
BLEͷଓϑϩʔ
Beaconͱ ɾBeaconɺAdvertisingʹಛԽͨ͠Peripheralͷ͜ͱ ɾCentralͱPeripheralؒͷଓͳ͠ ɾPeripheralAdvertising DataʹσʔλΛࡌͤͯAdvertising ɾCentralͦΕΛಡΉ͚ͩ
BLEҊ݅ͷҙϙΠϯτ ɾڑΛଌΓ͍ͨʁ ɾPeripheral͕ݟ͔ͭΒͳ͍ʁ ɾσόοά(ཧ)
ڑΛଌΓ͍ͨʁ ɾडୗͰ͍͍͓ͨͩͨࣄ ɾBLEϞδϡʔϧ(Peripheral)ʹLED͕ͭͳ͕͍ͬͯΔ ɾεϚʔτϑΥϯ(Central)ͱBLEϞδϡʔϧͷڑ͕5mҎԼͷ࣌ʹ ɹLEDΛޫΒͤΔΑ͏ʹɺॻ͖ࠐΈΛߦ͏ɻ ɹ
None
ͦ͏͍͏ͷ͡Όͳ͍ ɾBLEڑଌఆͷͨΊͷٕज़Ͱͳ͍ɻ ɾCLBeaconɺCBPeripheral͔ΒRSSI(ిڧ)औಘՄೳ ɾ͕ͨͬͯ͠ɺRSSI͔Βٯࢉ͢Δ͜ͱͰਪఆՄೳɻ ɾ͔͠͠ɺ߹ʹΑͬͯి͕͔ͳΓݮਰ͢Δɻ ɾϦϦʔε͞ΕΔϓϩμΫτʹ͍ͭͯɺͦ͏͍ͬͨཁ݅Λ ɹ֎͓ͯ͘͜͠ͱ͕ॏཁɻ ɾͲ͏ͯ͠ඞཁͱ͍͏߹ɺproximityͰେຌͷஅ͢Δ͔ɺ ɹϢʔβʔମݧΛม͑ͯImmediateͷ߹ͷΈτϦΨʔ͢Δɺͱ͔
None
Peripheral͕ݟ͔ͭΒͳ͍ʁ ɾࣗࣾΞϓϦͷυοάϑʔσΟϯάͰLTͰNext!Λͬͨ࣌ͷ͜ͱ ɾCentralͰ͋ΔiPhone͔ΒPeripheralͰ͋ΔMacΛɺ5ඵҎʹ ɹݟ͚ͭΒΕͳ͍ͱ͍͏͜ͱ͕ɻɻɻ
దͳϑΟϧλϦϯάΛɻ ɾษڧձࣾͳͲɺMac/iPhone/Android͕͋;ΕۭͨؒͰɺ ɹͨ͘͞ΜͷBLE͕ଘࡏ͍ͯ͠Δɻ ɾదͳϑΟϧλϦϯάઃఆΛߦΘͣʹCentral͔ΒScan͍ͯ͠Δͱ ɹଓରΛݟ͚ͭΔ·Ͱʹ͕͔͔࣌ؒΓ͗ͯ͢͠·͏ɻ ɾServiceͷUUIDΛAdvertisement DataʹͤͯɺϑΟϧλϦϯά͕ ɹಇ͘Α͏ʹΛɻ
σόοά(ཧ) ɾ1ͭͷࣄྫͰɺσόοάͷͨΊʹ੮ͷपΓΛ͏ΖͪΐΖ͢Δ ɹඞཁ͕ ɾ2ͭͷࣄྫͰɺσόοάͷͨΊʹษڧձʹߦ͘ඞཁ͕ ɾͦͷଞʹɺiOSͷͱBLEϞδϡʔϧ͕ࣗવʹΕΔঢ়گͷ ɹςετͷͨΊʹ80mߦͬͯͬͯ
Φεεϝͷೖ(?)ॻ ɾॳ৺ऀ͕ͱ͖ͬͭʹ͍͘ɺGAPGATTɺ ɹCentral / PeripheralɺServiceɺ ɹCharacteristicͷ֓೦Λஸೡʹઆ໌ͯ͠ ɹ͍ΔͨΊɺશମ૾ͱͦΕͧΕͷׂͷ ɹཧղʹ࠷దɻ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ
ࢀߟ ɾARMΛങऩͨ͠ଙਖ਼ٛͷະདྷ༧ਤ (http://www.itmedia.co.jp/news/articles/1607/21/news136.html) ɾiOS7ͰͷBluetooth LE׆༻ (http://www.slideshare.net/reinforcelab/20131129-mosa) ɾIntroduction to Bluetooth Low
Energy (http://www.slideshare.net/yeokm1/introduction-to-bluetooth-low- energy)