PHPでLチカ（PHPカンファレンス2018 懇親会）

by Tomoyuki Sugita

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1)1Ͱ-νΧ 4BU 1)1ΧϯϑΝϨϯε࠙਌ձ-5 ਿా஌ࢸ !UPNPUPNPCJMF

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ਿా஌ࢸ!UPNPUPNPCJMF w *TBBYͷ$IJFG1SPEVDU0⒏DFS w *P5ͷ࢓ࣄ΍ͬͯ·͢ɻ ࣗݾ঺հ ஶॻ  ʮΤϯδχΞͷͨΊͷ8PSE1SFTT։ൃೖ໳ʯ  ૿࡮͠·ͨ͠ʂ

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JTBBY ΞΠβοΫε ஌ͬͯΔਓʁ IUUQTJTBBYJP

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JTBBYΛ࢖͏ͱ*P5σόΠεͷ։ൃ͕؆୯ 8FCϥΠΫʹ *P5σόΠεʹσϓϩΠʂ ։ൃ؀ڥͰ্ख͘ ಈ͍ͨ΋ͷΛ1VTI .255 .255

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ࠓ೔ͷλΠϜςʔϒϧ

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ηογϣϯ

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1)1෺ཧ

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IUUQTIUNMFYQFSUTKQZPVUPZΑΓ

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ͳΜͰʁ

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1)1Ͱ෺ཧͷૢ࡞͸ "Ͱ͖Δ #Ͱ͖ͳ͍ ࣭໰

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1)1Ͱ෺ཧͷૢ࡞͸ "Ͱ͖Δ #Ͱ͖ͳ͍ ࣭໰

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PHPͰLνΧ (LEDνΧνΧ) 5%%ΑΓ%%%ΑΓ-&%Ͱ͠ΐʂ

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࢖͏΋ͷ 3BTQCFSSZ1J Ұࣜ ϒϨουϘʔυ -&% δϟϯύʔ ϫΠϠʔ ఍߅

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഑ઢ͠·͢ IUUQXXXIPXJTJUKQqJDLFSJOHMFEΑΓ

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ϥζύΠʹϩάΠϯ͠·͢ SBTQCFSSZQJMPHJOQJ 1BTTXPSESBTQCFSSZ

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઀ଓ֬ೝ͠·͢ $ echo 4 > /sys/class/gpio/export $ ls -1 /sys/class/gpio/gpio4 active_low device direction edge power subsystem uevent value

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઀ଓ֬ೝʢଓ͖ʣ͠·͢ # GPI4Λग़ྗϞʔυʹ $ echo out > /sys/class/gpio/ gpio4/direction # ஋ΛHIGH=1ʹઃఆ $ echo 1 > /sys/class/gpio/gpio4/ value

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ޫͬͨ

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Φϑʹ͠·͢ # ஋ΛLOW=0ʹઃఆ $ echo 0 > /sys/class/gpio/gpio4/ value # ΫϦʔϯΞοϓ͠·͢ $ echo 4 > /sys/class/gpio/ unexport

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͜ΕΛ 1)1Ͱ΍ͬͯΈ·͢

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w TZTDMBTTHQJPFYQPSUϑΝΠϧ ʹzzΛॻ͖ࠐΉ w TZTDMBTTHQJPHQJPEJSFDUJPO ϑΝΠϧʹzPVUzΛॻ͖ࠐΉ w TZTDMBTTHQJPHQJPWBMVFϑΝ ΠϧʹzzΛॻ͖ࠐΉ 1)1Ͱ΍Γ͍ͨ͜ͱ

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ϑΝΠϧʹॻ͖ࠐΉͱ͍͑͹ɺ

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1)1࣮ߦ؀ڥΛ༻ҙ $ sudo apt update $ sudo apt upgrade $ sudo apt install php $ php -v PHP 7.0.33-0+deb9u1 (cli) (built: Dec 7 2018 11:36:49) ( NTS )

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MFEQIQ

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࣮ߦͩʂ $ sudo php led.php

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5ඵޫͬͯফ͑ͨʂʂʂ ಈըɿIUUQTUXJUUFSDPNUPNPUPNPCJMFTUBUVT

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1)1Ͱ-νΧͰ͖ͨʙʂ

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࠷৽ͷΞϧΰϦζϜ͸JTBBY͕͓ಧ͚ ˞Πϝʔδ ͢΂ͯΛ࠷৽ʹʂ

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JTBBY๨೥ձ΍Γ·͢ !ޒ൓ా IUUQTJTBBYVHDPOOQBTTDPNFWFOU

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"QQFOEJY

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ࢀߟʹͨ͠αΠτ w 1)1Ͱͷ(1*0ૢ࡞c'FJKPBKQ  IUUQXXXGFJKPBKQMBCPSBUPSZQSPHSBNNJOH HQJP8JUI1IQ w 1)1pMF@QVU@DPOUFOUT.BOVBM  IUUQQIQOFUNBOVBMKBGVODUJPOpMFQVU DPOUFOUTQIQ w 3BTQCFSSZ1JʢϥζϕϦʔύΠʣɿ-νΧʢ-&%Λ ఺໓ͤ͞Δిࢠ޻࡞ʣʛಈը෇͖ʛ*5اըݚڀॴ  IUUQXXXIPXJTJUKQqJDLFSJOH MFE

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զʑͷಇ͖Ͱɺզʑͷੜ׆Λվળ͠ ੈքΛΑΓࣗ༝ʹ͠·͠ΐ͏ɻ *P5ΤϯδχΞཆ੒Ωοτ I U U Q T Y T I F M M J P J T B B Y J P U F O H J O F F S L J U