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https://github.com/XeonSquared/OC-Copper.git
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44 lines
1.0 KiB
Plaintext
44 lines
1.0 KiB
Plaintext
-- I, 20kdc, release this into the public domain.
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-- No warranty is provided, implied or otherwise.
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-- 'Copper' networking implementation
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-- TINY EDITION (This node doesn't do routing.)
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-- for EEPROM usage.
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-- NOTE: space is considered "explicit", newline isn't. tab is always deleted.
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-- Variables:
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-- TH (hostname)
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-- TX (modem proxy)
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-- TC (the string "copper")
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-- S (short for 'string')
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-- C (short for 'component')
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-- Functions:
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-- CG: Get Component
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-- TN: Decode Name
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-- TR: Receive Message handling (returns s/d/m rather than using a callback)
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-- TS: Send Message (notably, this has no 'from')
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-- TB: The TX.broadcast function
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S,C,TC=string,component,"copper"
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function CG(n)return C.proxy(C.list(n)())end
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TH,TX=CG("eeprom").getLabel(),CG("modem")
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TX.open(4957)
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TB=TX.broadcast
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function TN(m)
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if#m<2then return end
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local n=m:byte(1)+2return m:sub(2,n),m:sub(n+1)
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end
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function TR(m)
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local h,s,m,d=m:byte(),TN(m:sub(2))
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if s then
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d,m=TN(m)
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if d then
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return s,d,m
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end
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end
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end
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function TS(d,m)
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TB(4957,TC,S.char(0,#TH-1)..TH..S.char(#d-1)..d..m)
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end
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