Keyboard Firmware in Rust

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

Transcript

1. ࣗ࡞ΩʔϘʔυͷ
 ϑΝʔϜ΢ΣΞΛ
 3VTUͰॻ͘ KOBA789
2. ,0#" w ΫοΫύουגࣜձࣾ
   ٕज़෦
   σʔλج൫άϧʔϓ
   w ϝΠϯͷ࢓ࣄ͸େྔͷσʔλΛ͍͍ײ͡ʹ͢Δ͜ͱ
 ͱ͍͏͜ͱʹͳ͍ͬͯΔ
   w ࣮ࡍ͸͓΋͠Ζͦ͏ͳ͜ͱΛͳΜͰ΋΍͍ͬͯΔ
   w ݱࡏ৽ଔ೥໨
3. ࣗ࡞ΩʔϘʔυ
5. ࠷ۙ<͍ͭ >ਓؾͳझຯ<ཁग़య>
6. https://techlife.cookpad.com/entry/2018/08/14/172130
7. ฐࣾʹ΋ͨ͘͞ΜͷѪ޷Ո͕
8. Ͱɺ
9. https://internship.cookpad.com/2019/spring/
10. Πϯλʔϯγοϓ
    ࣗ࡞ΩʔϘʔυίʔε
12. څྉ΋Βͬͯࣗ࡞ΩʔϘʔυΛ
 ΍Δ͜ͱʹͳͬͯ͠·ͬͨ
13. ͑Β͍ਓʮόζΒ͍ͤͨʯ
    Զʮ͡Ό͋ΧϦΩϡϥϜ͸աܹʹʯ
14. ݁Ռ
15. w͸Μͩ෇͚͸΋ͪΖΜ΍Δ
    w؆୯ͳిࢠճ࿏΋΍Δ
    wϓϦϯτج൘ͷઃܭ΋΍Δ
    wϑΝʔϜ΢ΣΞ͸
    3VTU
    Ͱॻ͘
16. ϑΝʔϜ΢ΣΞ͸
 3VTUͰॻ͘
17. 1SP
    .JDSP https://www.switch-science.com/catalog/1623/ ࣗ࡞ΩʔϘʔυͰ͸Ұൠత
18. 1SP
    .JDSPͷੴ͸"5NFHB6
    "5NFHB6͸"73
19. 3VTUͰ"73͸ͩΔ͍
20. ૊ΈࠐΈ3VTU͓͢͢Ί͸
    $PSUFY.γϦʔζ
    "3. 3*4$7͡Όͳͯ͘͝ΊΜͳ
21. ௨শCMVF
    QJMM w 45.'$͕৐ͬͯΔ
    w 45.'$͸$PSUFY.
    w 3".
    ,#
    w $16
    $MPDL
    VQ
    UP
    .)[
    w 'MBTI
    ,# ࣮ࡍ͸ͳ͔ͥ,# https://wiki.stm32duino.com/index.php?title=File:STM32_Blue_Pill_perspective.jpg
22. ௨শCMVF
    QJMM ͓͍͘Βͩͱࢥ͍·͔͢
 https://wiki.stm32duino.com/index.php?title=File:STM32_Blue_Pill_perspective.jpg
23. ௨শCMVF
    QJMM  https://wiki.stm32duino.com/index.php?title=File:STM32_Blue_Pill_perspective.jpg
24. ։ൃͷͨΊͷπʔϧ
25. ͍͍ͩͨ
 5IF
    &NCFEEFE
    3VTU
    #PPL
 ʹॻ͍ͯ͋ΔͷͰলུ
26. ͱ͘ʹศརͳ΋ͷΛ঺հ
27. #MBDL
    .BHJD
    1SPCF w 1SPHSBNNFS%FCVHHFS
    w ιϑτ΢ΣΞ͸Φʔϓϯιʔε
    w ϋʔυ΢ΣΞ͸CMVF
    QJMMͳͲ͕࢖͑Δ
    w ࢲ͸CMBDL
    QJMMΛ࢖ͬͯ࡞ͬͨ
    w ϑϦεΫέʔεͰ͍͍ײ͡
29. cargo run
    Ͱ͖Δ ຊ೔ೋ౓໨
    Demo
30. HEC࢖͑Δ
    ϒϨʔΫϙΠϯτషΕΔ
    ϝϞϦμϯϓͰ͖Δ
31. println!
    Ͱ͖Δ
    Demo
32. cortex_m_semihosting
33. ૊ΈࠐΈϓϩάϥϛϯάͰ
 ආ͚ΒΕͳ͍΋ͷ
34. पลػث
    ϖϦϑΣϥϧ
35. ϖϦϑΣϥϧͷػೳݺͼग़͠
 ϨδελΞΫηε
36. ΞηϯϒϦ
    /P
37. JO
    $
    ϝʔΧʔ͕ϥΠϒϥϦΛఏڙ JO
    3VTU
    ศརΫϨʔτ͕͋Δ
38. TWESVTU wΈΜͳ͍͖ͩ͢ίʔυδΣωϨʔλ
    wσόΠεఆٛϑΝΠϧ
    TWE
    ͔Β
    wϨδελΞΫηεؔ਺ͷίʔυΛు͘
39. TUNG wTWESVTU
    Ͱు͔ΕͨίʔυΛ
    w͍͍ײ͡ʹௐ੔ͨ͠ΫϨʔτ
    wTUNG
    Ͱ࢖͑Δ
40. -νΧͱ͔͸Ͱ͖Δ
42. ͔͠͠ɺ
43. ΩʔϘʔυͳͷͰ
    64#
    )*%Λ
 ͠Ό΂Βͳ͍ͱ͍͚ͳ͍
44. ϨδελΛ਺ݸୟ͘͘Β͍Ͱ͸
    64#͸͠Ό΂Εͳ͍
45. ෼ް͍64#
    ͷ࢓༷ॻͱ
 ΍΍ް͍64#
    
    )*%ͷ࢓༷ॻͱ
 Ϋι෼ް͍45.ͷ࢓༷ॻΛಡΜͰ
    ద੾ͳϨδελɾϝϞϦΛ
 ͨ͘͞ΜಡΈॻ͖͢ΔίʔυΛॻ͘ඞཁΞϦ
46. ࣮૷͠·ͨ͠
47. 64#
    )*%࣮૷
    ΍Γ͔ͨ w 64#
    ͷ࢓༷ΛಡΉ
    w 64#
    )*%
    $MBTT
    ͷ࢓༷ΛಡΉ
    w 45.'ͷϚχϡΞϧΛಡΉ
    w ͕ۭ݀͘΄ͲಡΉ
    w MJCPQFODNͷίʔυΛࢀߟʹ͢Δ
    w 3VTU
    Ͱॻ͘ˠϩδΞφͰݟΔˠ௚͢
    w ҎԼ܁Γฦ͠
48. Զ͸Ӧۀ೔͘Β͍͔͔ͬͨ
49. ͜͜ͰϩδΞφ
    Demo
50. 3VTUؔ܎ͳ͍ؾ͕͢Δͳ
51. ίʔυยΛͪΐͬͱ঺հ
52. 64#ͷ௨৴Ͱ࢖͏όοϑΝ
53. https://www.stmcu.jp/design/document/reference_manual/51428/ IUUQTXXXTUNDVKQEFTJHOEPDVNFOUSFGFSFODF@NBOVBM
54. ͜ΕΛ͍͍ײ͡ʹϞσϦϯά
56. VolatileCell
57. VolatileCell w ϝϞϦ΁ͷWPMBUJMFΞΫηεΛ
    w ͍͍ײ͡ʹ͢ΔϥΠϒϥϦ
    w std::ptr::read_volatile
    ͱ͔͸
    unsafe
    ͰࠔΔ
58. MJCPQFODNΛ
 ࢀߟʹ͸͕ͨ͠ʜʜ
59. 3VTUಛ༗ͷ೉͠͞ w ϓϩτίϧͷ࣮૷͸εςʔτϚγϯʹͳΓ͕ͪ
    w εςʔτΛܕ҆શʹ͢Δͷ͸ͪΐͬͱίπ͕͍Δ
    w งғؾͰߏ଄࡞Δͱ్தͰ٧Ή
    w ݩͷ࣮૷ΛಡΜͰ $ͷࡶ͞ʹΩϨΔ
62. ͠Γ͖ΕͱΜ΅