Rinda in the real-world embedded systems. seki@ruby-lang.org

About Me @m_seki My works Ruby committer 2

First printing from 2005 (Still available) dRuby ʹΑΔ ؔকढ़ஶ ෼ࢄ ɾ Web ϓϩάϥϛϯά

Become out of print in 2014

2017 re-published on the web

2020 dRubyͰָ͠Ή෼ࢄΦϒδΣΫτ n-monthly Lambda Note Vol.2 No.1

Ruby Committer ERB, dRuby, Rinda 7

Linda and Rinda Linda: coordination language tuple space Rinda as Ruby Linda 8

process, tuple, tuple space process 9

process, tuple, tuple space tuple 10

process, tuple, tuple space tuple space 11

How to write Parallel Programs 12

Embedded systems Report embedded systems using rinda not ERB (embedded ruby) 13

OAOWFC Okayama Astrophysical Observatory Wide-Field Camera Publications of the Astronomical Society of Japan, Volume 71, Issue 6, December 2019, 118, https://doi.org/10.1093/pasj/psz117 ୈ5ճ Մࢹ੺֎ઢ؍ଌ૷ஔٕज़ϫʔΫγϣοϓ 2015೥12݄ ʮԬࢁఱମ෺ཧ؍ଌॴ޿ࢹ໺੺֎Χϝϥͷ੡࡞ʯ༄ᖒɹ ݦ࢙ʢࠃཱఱจ୆ʣ https://www.astr.tohoku.ac.jp/~akiyama/ astroinst2015/20151207_yanagisawa.pdf 14

ϩϘοτ๬ԕڸʁ robot telescope? 15

OAOWFC 20151207_yanagisawa.pdf ΑΓ OAOWFC Okayama Astrophysical Observatory Wide Field Camera 2015/12/07 奛㷔塭伖㈨埻WS 7 16

f/2.5 20151207_yanagisawa.pdf ΑΓ 2/07 奛㷔塭伖㈨埻WS 16 17

renewal of the existing classical Cassegrain telescope 20151207_yanagisawa.pdf ΑΓ The OAO 0.9m Telescope before renewal ͻ Manufacturer : NIKON (present) ͻ Completion: 1959 ͻ Mount : Fork Equatorial ͻ Slew Speed: 1.5 deg / sec ͻ Manufacturer : IHI ͻ Completion: 1959 ͻ Rotation Speed: 3.0 deg / sec 2015/12/07 奛㷔塭伖㈨埻WS 11 18

renewal of the existing classical Cassegrain telescope 20151207_yanagisawa.pdf ΑΓ The OAO 0.9m Telescope before renewal ͻ Manufacturer : NIKON (present) ͻ Completion: 1959 ͻ Mount : Fork Equatorial ͻ Slew Speed: 1.5 deg / sec ͻ Manufacturer : IHI ͻ Completion: 1959 ͻ Rotation Speed: 3.0 deg / sec 2015/12/07 奛㷔塭伖㈨埻WS 11 19

primary pupose 20151207_yanagisawa.pdf ΑΓ 2015/12/07 奛㷔塭伖㈨埻WS 34 ྂ඾ⓗ䝉䝣䜯䜲䝗ೃ⿵䛾఩⨨ DDO Cepheid DB OAOWFC 20

OAOWFC 20151207_yanagisawa.pdf ΑΓ 21

autonomous weather monitor auto focus cooperative operation 22

20151207_yanagisawa.pdf ΑΓ 23

auto focus tube length monitor 20151207_yanagisawa.pdf ΑΓ -\]O^_`Oabcd% ]O^_`Oabcd+1 ef)ghiX$jk.le mn)_oONpSqcd@1 rst/_`Oabuv= iX[D_oONpSq&' . wdx8yz[DE'5% % {u1|}eef)gh=iX[1~e@le)•Ä= ÅÇ$ÉÑÖÜá=yz&'Là$•Äâä=ãå[e f$çé$>n[Lèê . ëíì 5•Äâä+1îïñó òbèqôöõòPì)ú81ù-+ -/.0011 8û'5 7)ù-+1 ~eKleü)†Ç•Ä@°V81 ¢"2 20 #£§[D•gh+¶uF% 231% 8û'5Åß1efè® ©+™´¨ì +≠$ +4-11 Æ#gh[1 ÅØ8•% 04.11% Æ#)£§=∞7&5•Äâä+1±≤≥¥=~eµ¥) ∂∑@Å∏&'AH$π0∫?Dû'5 ef≤)^Sªº ΩN$+æø¿)¡O¬O£mõΩ√èiXƒ#% +31ì 2π0∫?MvD≈01 •Äâä)!≤≥¥@)•Ä£§ =∆«T[DE'57)ÖÜá$A01•Äâä$%&' ef)gh2Ç»t$… 84D1 lemn=ef2gÀ LÃÕ?le=~e$Œk?'7@81 ]O^_`Oab 2yz84'5% % œã[L@7–1 —]O^_`Oabcd+“”‘0$ c’[DE'7@2÷◊84L21 ÿŸ/'⁄Ω^¤‹+ 84/E7@2ICL5 ≈6M.1 ¢"£§$›E~e5® ©fifl¡Sqb6‡·2£§[D‚∑•Ä2£§&'7@ % !3#4567869:12;<=> ,?@ABCD0E45FGH& % !"#$%&'()* +,(($( -(,.'()**+,(($( !"#$ %&'&()*+, 24

hardware block diagram psz117 Publications of the Astronomical Society of Japan (2019), Vol. 71, No. 6 118-9 Fig. 7. Hardware block diagram of OAOWFC, which consists of 15 subsystems with communication capabilities; rounded rectangles with light-gray background show the subsystems, and strings at the upper-left corner describe their role. The structure is composed of three columns: network- attached PC/appliance, the controller, and the devices, arranged from left to right. TS stands for the terminal server, a Linux-based appliance used to convert messages from serial to TCP/IP or vice versa. PDU stands for the power distribution unit, arranged to restart a subsystem remotely if an Downloaded from https://academic.oup.com/pasj/article-abstract/71/6/118/5613951 by National As 25

hardware block diagram psz117 Publications of the Astronomical Society of Japan (2019), Vol. 71, No. 6 118-9 Fig. 7. Hardware block diagram of OAOWFC, which consists of 15 subsystems with communication capabilities; rounded rectangles with light-gray background show the subsystems, and strings at the upper-left corner describe their role. The structure is composed of three columns: network- attached PC/appliance, the controller, and the devices, arranged from left to right. TS stands for the terminal server, a Linux-based appliance used to convert messages from serial to TCP/IP or vice versa. PDU stands for the power distribution unit, arranged to restart a subsystem remotely if an Downloaded from https://academic.oup.com/pasj/article-abstract/71/6/118/5613951 by National As 26

hardware block diagram psz117 Publications of the Astronomical Society of Japan (2019), Vol. 71, No. 6 118-9 Fig. 7. Hardware block diagram of OAOWFC, which consists of 15 subsystems with communication capabilities; rounded rectangles with light-gray background show the subsystems, and strings at the upper-left corner describe their role. The structure is composed of three columns: network- attached PC/appliance, the controller, and the devices, arranged from left to right. TS stands for the terminal server, a Linux-based appliance used to convert messages from serial to TCP/IP or vice versa. PDU stands for the power distribution unit, arranged to restart a subsystem remotely if an Downloaded from https://academic.oup.com/pasj/article-abstract/71/6/118/5613951 by National As 27

hardware block diagram psz117 Publications of the Astronomical Society of Japan (2019), Vol. 71, No. 6 118-9 Fig. 7. Hardware block diagram of OAOWFC, which consists of 15 subsystems with communication capabilities; rounded rectangles with light-gray background show the subsystems, and strings at the upper-left corner describe their role. The structure is composed of three columns: network- attached PC/appliance, the controller, and the devices, arranged from left to right. TS stands for the terminal server, a Linux-based appliance used to convert messages from serial to TCP/IP or vice versa. PDU stands for the power distribution unit, arranged to restart a subsystem remotely if an Downloaded from https://academic.oup.com/pasj/article-abstract/71/6/118/5613951 by National As 28

software block diagram psz117 29

software block diagram psz117 30

software block diagram psz117 31

software block diagram psz117 32

software block diagram psz117 33

software block diagram psz117 34

Rinda (again) write, read, take 35

concern ނো΍௨৴ΤϥʔͰ΋͏·͍͘͘ʁ In the real world the device will fail 36

design tuple with tiemout use notify instead of take 37

weather monitor (again) weather monitor writes a Tsky tuple every minute. tuples live for 2 minutes Control daemon waits with notify() Normally, there are 1-2 Tsky tuples 38

Yanagisawa said. Proceedings of Symposium on Engineering in Astronomy 2017 39

Tochigi RubyKaigi 09 2020-09-12 ͖ͭͮ͸TochigiͰ 40