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2021.10.24 ύʔιϧςΫϊϩδʔελοϑגࣜձࣾ Ѩ෦ߞೋ koji.abe@persol.co.jp RustͷHAL(avr-hal)ͰLeafonyΛಈ͔ͨ݅͠ TOPPERS։ൃऀձٞ2021

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• ࣗݾ঺հ • ͓࿩͢Δ͜ͱ • ༻ޠઆ໌ • ։ൃ؀ڥ • ۩ମత࡞ۀ • ݁Ռ • ՝୊ ໨࣍

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• ໊લɿѨ෦ɹߞೋ(͋΂ɹ͜͏͡) • ύʔιϧςΫϊϩδʔελοϑגࣜձࣾɹϝʔϧɿkoji.abe@persol.co.jp • ҩྍػث։ൃɻ • ૊ࠐΈιϑτ΢ΣΞ։ൃɻCݴޠɺOSͳ͠(ϕΞϝλϧ)ͷ։ൃۀ຿ܦݧ͕΄ͱΜͲɻ • twitter: @juraruming • ϒϩά: https://k-abe.hatenablog.com/ ࣗݾ঺հ

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• Leafonyͱ͍͏খܕج൘ͷCιʔεαϯϓϧΛRustʹҠ২ͨ͠ɻ ɹϋʔυ΢ΣΞґଘ෦ͷҠ২ɻHAL(avr-hal)ͰରԠ͍ͯ͠ͳ͍ϋʔ υ΢ΣΞʹରԠͤͨ͞ɻ • ಈ࡞֬ೝͰ͖֤ͨछϖϦϑΣϥϧ ɹgpioͰLνΧɺuartɺi2cɺdelay ͓࿩͢Δ͜ͱ

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1.Leafony 2.avr-hal ༻ޠઆ໌

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1.Leafony ɾখܕͷج൘ɻৄ͘͠͸ͪ͜ΒΛࢀরɻ https://docs.leafony.com/docs/overview/ ɾArduino UNOͱಉ͡AVRϚΠίϯ(Atmega328P)͕౥ࡌ͞Ε͍ͯΔ ɾArduino UNOͱͷҧ͍͸ΫϩοΫ(UNO =16MHz, Leafony = 8MHz) ɾࠓճ͸ʲBasic Kitʳ͕ର৅ɻ https://docs.leafony.com/docs/products/basic/ ༻ޠઆ໌

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2, avr-hal ɾArduino޲͚ͷHALɻ https://github.com/Rahix/avr-hal ɾHALͷબ୒ࢶͱͯ͠avr-rustͱavr-hal͕͋ͬͨ ͕avr-halΛબ୒(avr-rust͸؀ڥߏஙͰ͖ͣஅ೦)ɻ ɾavr-hal͸ӈਤͷ֤छArduinoγϦʔζΛαϙʔ τɻ ༻ޠઆ໌

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։ൃ؀ڥ No ߲໨ όʔδϣϯ උߟ 1 ϗετPC MacBook macOS Big Sur όʔδϣϯ11.6 2 λʔήοτϋʔυ΢ΣΞ Leafony Basic Kit 3 Rust ίϯύΠϥ ɾnightly-2021-01-07 ɾrustc 1.51.0-nightly avr-halͰόʔδϣϯࢦఆͷͨΊ 4 avr-hal 2021/10/15ݱࡏ࠷৽ͷ ίϛοτ: 8ad1be ίϛοτ೔࣌: 2021/9/17

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1. ։ൃ؀ڥߏஙํ๏ 2. C⇛RustҠ২ 3. ίϯύΠϧ 4. ॻ͖ࠐΈ ※ࠓճͷιʔείʔυ͸ˣ https://github.com/grace2riku/avr-hal/tree/add_leafony_211015 ۩ମత࡞ۀ

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1. ։ൃ؀ڥߏஙํ๏ • avr-halͷखॱͷ௨Γ https://github.com/Rahix/avr-hal README.md -> Quickstart ※ίϯύΠϥ͸stableͰ͸ͳ͘ɺnightlyΛ࢖͏ͱ͜Ζ͕஫ҙ఺ɻ ۩ମత࡞ۀ

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2, C⇛RustҠ২ • Ҡ২͢ΔCαϯϓϧιʔε͸͜Εɻ όοςϦిѹಡΈऔΓ https://docs.leafony.com/docs/examples/beginner/1_p/basic/read_battery/ ɹ⇛i2cͰόοςϦిѹಡΈग़͠⇛uartૹ৴⇛LEDτάϧ⇛1ඵdelayͷ܁Γฦ͠ • avr-halͷArduino UNOαϯϓϧίʔυΛϕʔεʹLeafony޲͚ʹվ଄͍ͯ͘͠ɻ ɹexamples/arduino-uno/src/bin σΟϨΫτϦҎԼʹαϯϓϧίʔυ͕͋Δɻ • ΫϩοΫઃఆมߋɹ˞࣮૷ʹ՝୊͋Γɻ಺༰͸ޙड़ɻ ɹArduino UNO͸16MHz, Leafony͸8MHzɻ ɹarduino-hal/src/clock.rsͷpub type DefaultClock = avr_hal_generic::clock::MHz16;Λpub type DefaultClock = avr_hal_generic::clock::MHz8;ʹมߋɻ ۩ମత࡞ۀ

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3, ίϯύΠϧ avr-halͷखॱͷ௨Γ https://github.com/Rahix/avr-hal README.md -> Quickstart cd examples/arduino-uno # Build and run it on a connected board cargo run --bin uno-blink ɹ⇛͜ͷ1ίϚϯυͰίϯύΠϧɺॻ͖ࠐΈ·Ͱ࣮ߦͯ͘͠ΕΔɻʲuno-blinkʳʹ͸ίϯύΠϧ͍ͨ͠ ιʔείʔυΛࢦఆ͢Δɻ ۩ମత࡞ۀ

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3, ίϯύΠϧ Leafonyͷ৔߹ɺʲcargo run --bin uno-blinkʳͰॻ͖ࠐΈ͕ࣦഊ͢ ΔɻίϯύΠϧɾॻ͖ࠐΈΛͦΕͧΕͷίϚϯυͰ࣮ࢪͨ͠ɻ ʲίϯύΠϧʳ cargo build --bin battery_voltage ※battery_voltage͕ࠓճ௥Ճͨ͠ιʔείʔυͷ໊শ ۩ମత࡞ۀ

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4, ॻ͖ࠐΈ ॻ͖ࠐΈ༻ͷπʔϧʲavrdudeʳΛࣄલʹΠϯετʔϧ͠ɺelfͱಉ ͡֊૚Ͱ࣍ͷίϚϯυ࣮ߦɻɹ avrdude -patmega328p -carduino -P/dev/cu.usbserial-AH07FVYA -b 57600 -D -U flash:w:battery_voltage.elf:e ۩ମత࡞ۀ

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• ίϯύΠϧɺॻ͖ࠐΈ͕ऴΘͬͨΒλʔϛφϧͰ࣍ͷίϚϯυͰ઀ଓ͢Δɻࠓճ͸λʔϛφϧʹminicomΛ࢖༻ɻ minicom -D /dev/cu.usbserial-AH07FVYA -b 57600 • ઀ଓͰ͖Δͱ࣍ͷϝοηʔδ͕λʔϛφϧʹදࣔ͞ΕΔɻ [0]=0, [1]=0, [2]=255, [3]=255 Batt[V] = 0 [0]=0, [1]=0, [2]=255, [3]=255 Batt[V] = 0 [0]=0, [1]=0, [2]=255, [3]=255 Batt[V] = 0 [0]=7, [1]=64, [2]=255, [3]=255 // ӈਤͷϦʔϑ(ج൘)ͷεΠονΛಈ͔͢ͱίΠϯి஑ͷిѹΛऔಘͰ͖Δɻ Batt[V] = 2990 // ϦʔϑͷεΠονΛมԽͤ͞ΔͱόοςϦిѹ͕ಡΈग़͍ͤͯΔɻ [0]=7, [1]=80, [2]=255, [3]=255 Batt[V] = 3016 [0]=7, [1]=64, [2]=255, [3]=255 ݁Ռ

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• Leafony޲͚ʹΫϩοΫͷมߋ(16MHz⇛8MHz)Λߦͬͨɻ ɹݱঢ়ͷରԠͩͱLeafonyҎ֎ͷArduinoͷΫϩοΫઃఆ͕1/2ʹ ͳͬͯ͠·͏ͨΊظ଴௨Γʹಈ͔ͳ͍ɻLeafonyͷϏϧυߏ੒Λ௥ Ճ͢Ε͹ଞͷArduinoͱڞଘͰ͖Δɻ • cargo run --bin uno-blinkͷ1ίϚϯυͰॻ͖ࠐΈ·Ͱ΍Γ͍ͨɻ • warning͕Ͱ͍ͯΔ͕ແࢹ͍ͯ͠ΔͷͰରԠɻ ՝୊

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ ऴΘΓ