Keyboard Firmware in Rust

https://rust.connpass.com/event/133657/

Transcript

1. ࣗ࡞ΩʔϘʔυͷ

   ϑΝʔϜ΢ΣΞΛ

   3VTUͰॻ͘
   KOBA789
   

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2. ,0#"
   w ΫοΫύουגࣜձٕࣾज़෦σʔλج൫άϧʔϓ
   w ϝΠϯͷ࢓ࣄ͸େྔͷσʔλΛ͍͍ײ͡ʹ͢Δ͜ͱ

   ͱ͍͏͜ͱʹͳ͍ͬͯΔ
   
   w ࣮ࡍ͸͓΋͠Ζͦ͏ͳ͜ͱΛͳΜͰ΋΍͍ͬͯΔ
   w ݱࡏ৽ଔ೥໨
   

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3. ࣗ࡞ΩʔϘʔυ
   

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5. ࠷ۙ<͍ͭ >ਓؾͳझຯ<ཁग़య>
   

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6. https://techlife.cookpad.com/entry/2018/08/14/172130
   

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7. ฐࣾʹ΋ͨ͘͞ΜͷѪ޷Ո͕
   

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8. Ͱɺ
   

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9. https://internship.cookpad.com/2019/spring/
   

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10. Πϯλʔϯγοϓ
    ࣗ࡞ΩʔϘʔυίʔε
    

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12. څྉ΋Βͬͯࣗ࡞ΩʔϘʔυΛ

    ΍Δ͜ͱʹͳͬͯ͠·ͬͨ
    

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13. ͑Β͍ਓʮόζΒ͍ͤͨʯ
    Զʮ͡Ό͋ΧϦΩϡϥϜ͸աܹʹʯ
    

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14. ݁Ռ
    

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15. w͸Μͩ෇͚͸΋ͪΖΜ΍Δ
    w؆୯ͳిࢠճ࿏΋΍Δ
    wϓϦϯτج൘ͷઃܭ΋΍Δ
    wϑΝʔϜ΢ΣΞ͸3VTUͰॻ͘
    

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16. ϑΝʔϜ΢ΣΞ͸

    3VTUͰॻ͘
    

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17. 1SP.JDSP
    https://www.switch-science.com/catalog/1623/
    ࣗ࡞ΩʔϘʔυͰ͸Ұൠత
    

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18. 1SP.JDSPͷੴ͸"5NFHB6
    "5NFHB6͸"73
    

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19. 3VTUͰ"73͸ͩΔ͍
    

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20. ૊ΈࠐΈ3VTU͓͢͢Ί͸
    $PSUFY.γϦʔζ "3.
    
    3*4$7͡Όͳͯ͘͝ΊΜͳ
    

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21. ௨শCMVFQJMM
    w 45.'$͕৐ͬͯΔ
    w 45.'$͸$PSUFY.
    w 3".,#
    w $16$MPDLVQUP.)[
    w 'MBTI,# ࣮ࡍ͸ͳ͔ͥ,#
    
    https://wiki.stm32duino.com/index.php?title=File:STM32_Blue_Pill_perspective.jpg
    

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22. ௨শCMVFQJMM
    ͓͍͘Βͩͱࢥ͍·͔͢

    
    https://wiki.stm32duino.com/index.php?title=File:STM32_Blue_Pill_perspective.jpg
    

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23. ௨শCMVFQJMM
    
    https://wiki.stm32duino.com/index.php?title=File:STM32_Blue_Pill_perspective.jpg
    

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24. ։ൃͷͨΊͷπʔϧ
    

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25. ͍͍ͩͨ

    5IF&NCFEEFE3VTU#PPL

    ʹॻ͍ͯ͋ΔͷͰলུ
    

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26. ͱ͘ʹศརͳ΋ͷΛ঺հ
    

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27. #MBDL.BHJD1SPCF
    w 1SPHSBNNFS%FCVHHFS
    w ιϑτ΢ΣΞ͸Φʔϓϯιʔε
    w ϋʔυ΢ΣΞ͸CMVFQJMMͳͲ͕࢖͑Δ
    w ࢲ͸CMBDLQJMMΛ࢖ͬͯ࡞ͬͨ
    w ϑϦεΫέʔεͰ͍͍ײ͡
    

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29. cargo runͰ͖Δ ຊ೔ೋ౓໨
    
    Demo
    

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30. HEC࢖͑Δ
    ϒϨʔΫϙΠϯτషΕΔ
    ϝϞϦμϯϓͰ͖Δ
    

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31. println!Ͱ͖Δ
    Demo
    

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32. cortex_m_semihosting
    

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33. ૊ΈࠐΈϓϩάϥϛϯάͰ

    ආ͚ΒΕͳ͍΋ͷ
    

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34. पลػثϖϦϑΣϥϧ
    

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35. ϖϦϑΣϥϧͷػೳݺͼग़͠

    ϨδελΞΫηε
    

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36. ΞηϯϒϦ
    /P
    

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37. JO$
    ϝʔΧʔ͕ϥΠϒϥϦΛఏڙ
    JO3VTU
    ศརΫϨʔτ͕͋Δ
    

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38. TWESVTU
    wΈΜͳ͍͖ͩ͢ίʔυδΣωϨʔλ
    wσόΠεఆٛϑΝΠϧTWE͔Β
    wϨδελΞΫηεؔ਺ͷίʔυΛు͘
    

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39. TUNG
    wTWESVTUͰు͔ΕͨίʔυΛ
    w͍͍ײ͡ʹௐ੔ͨ͠ΫϨʔτ
    wTUNGͰ࢖͑Δ
    

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40. -νΧͱ͔͸Ͱ͖Δ
    

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42. ͔͠͠ɺ
    

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43. ΩʔϘʔυͳͷͰ
    64#)*%Λ

    ͠Ό΂Βͳ͍ͱ͍͚ͳ͍
    

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44. ϨδελΛ਺ݸୟ͘͘Β͍Ͱ͸
    64#͸͠Ό΂Εͳ͍
    

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45. ෼ް͍64#ͷ࢓༷ॻͱ

    ΍΍ް͍64#)*%ͷ࢓༷ॻͱ

    Ϋι෼ް͍45.ͷ࢓༷ॻΛಡΜͰ
    ద੾ͳϨδελɾϝϞϦΛ

    ͨ͘͞ΜಡΈॻ͖͢ΔίʔυΛॻ͘ඞཁΞϦ
    

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46. ࣮૷͠·ͨ͠
    

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47. 64#)*%࣮૷΍Γ͔ͨ
    w 64#ͷ࢓༷ΛಡΉ
    w 64#)*%$MBTTͷ࢓༷ΛಡΉ
    w 45.'ͷϚχϡΞϧΛಡΉ
    w ͕ۭ݀͘΄ͲಡΉ
    w MJCPQFODNͷίʔυΛࢀߟʹ͢Δ
    w 3VTUͰॻ͘ˠϩδΞφͰݟΔˠ௚͢
    w ҎԼ܁Γฦ͠
    

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48. Զ͸Ӧۀ೔͘Β͍͔͔ͬͨ
    

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49. ͜͜ͰϩδΞφ
    Demo
    

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50. 3VTUؔ܎ͳ͍ؾ͕͢Δͳ
    

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51. ίʔυยΛͪΐͬͱ঺հ
    

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52. 64#ͷ௨৴Ͱ࢖͏όοϑΝ
    

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53. https://www.stmcu.jp/design/document/reference_manual/51428/
    IUUQTXXXTUNDVKQEFTJHOEPDVNFOUSFGFSFODF@NBOVBM
    

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54. ͜ΕΛ͍͍ײ͡ʹϞσϦϯά
    

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56. VolatileCell
    

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57. VolatileCell
    w ϝϞϦ΁ͷWPMBUJMFΞΫηεΛ
    w ͍͍ײ͡ʹ͢ΔϥΠϒϥϦ
    w std::ptr::read_volatileͱ͔͸unsafeͰࠔΔ
    

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58. MJCPQFODNΛ

    ࢀߟʹ͸͕ͨ͠ʜʜ
    

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59. 3VTUಛ༗ͷ೉͠͞
    w ϓϩτίϧͷ࣮૷͸εςʔτϚγϯʹͳΓ͕ͪ
    w εςʔτΛܕ҆શʹ͢Δͷ͸ͪΐͬͱίπ͕͍Δ
    w งғؾͰߏ଄࡞Δͱ్தͰ٧Ή
    w ݩͷ࣮૷ΛಡΜͰ
    $ͷࡶ͞ʹΩϨΔ
    

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62. ͠Γ͖ΕͱΜ΅
    

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