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Fix float version, auto-detect int/float, OO tmr (#1866)

This commit is contained in:
Arnim Läuger 2017-03-16 23:10:04 +01:00 committed by devsaurus
parent 214be1625a
commit cbad19be8e
1 changed files with 21 additions and 18 deletions
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39
lua_modules/ds18b20/ds18b20.lua
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@ -25,7 +25,7 @@ return({
if s.parasite == 1 then break end -- parasite sensor blocks bus during conversion if s.parasite == 1 then break end -- parasite sensor blocks bus during conversion
end end
end end
tmr.alarm(tmr.create(), 750, tmr.ALARM_SINGLE, function() self:readout() end) tmr.create():alarm(750, tmr.ALARM_SINGLE, function() self:readout() end)
end, end,
readTemp = function(self, cb, lpin) readTemp = function(self, cb, lpin)
@ -83,25 +83,28 @@ return({
t = t * 5000 -- DS18S20, 1 fractional bit t = t * 5000 -- DS18S20, 1 fractional bit
end end
-- integer version if 1/2 == 0 then
local sgn = t<0 and -1 or 1 -- integer version
local tA = sgn*t local sgn = t<0 and -1 or 1
local tH=tA/10000 local tA = sgn*t
local tL=(tA%10000)/1000 + ((tA%1000)/100 >= 5 and 1 or 0) local tH=tA/10000
local tL=(tA%10000)/1000 + ((tA%1000)/100 >= 5 and 1 or 0)
if tH and (tH~=85) then if tH and (tH~=85) then
self.temp[s.addr]=(sgn<0 and "-" or "")..tH.."."..tL self.temp[s.addr]=(sgn<0 and "-" or "")..tH.."."..tL
print(encoder.toHex(s.addr),(sgn<0 and "-" or "")..tH.."."..tL) print(encoder.toHex(s.addr),(sgn<0 and "-" or "")..tH.."."..tL)
s.status = 2 s.status = 2
end
-- end integer version
else
-- float version
if t and (math.floor(t/10000)~=85) then
self.temp[s.addr]=t/10000
print(encoder.toHex(s.addr), t)
s.status = 2
end
-- end float version
end end
-- end integer version
-- -- float version
-- if t and (math.floor(t/10000)~=85) then
-- self.temp[s.addr]=t
-- print(encoder.toHex(s.addr), t)
-- s.status = 2
-- end
-- -- end float version
end end
next = next or s.status == 0 next = next or s.status == 0
end end