-- Module filling a buffer, sent to the LEDs
local M
do
local data={}
-- Utility function for round
local round = function(num)
under = math.floor(num)
upper = math.floor(num) + 1
underV = -(under - num)
upperV = upper - num
if (upperV > underV) then
return under
else
return upper
end
end
-- @fn generateLEDs
-- Module displaying of the words
-- @param data struct with the following paramter:
-- aoC amount of characters for the complete message
-- mC amout of minutes to show
-- dC drawn characters
local updateColor = function (data)
if (data.aoC > 0) and (data.mC ~= nil) then
local specialChar = data.dC
if (data.mC < 1) then
specialChar = 0
elseif (data.dC > data.mC) then
specialChar = 0
end
if (specialChar < 1) then
return data.colorFg
elseif (specialChar < 2) then
return data.colorM1
elseif (specialChar < 3) then
return data.colorM2
elseif (specialChar < 4) then
return data.colorM3
elseif (specialChar < 5) then
return data.colorM4
else
return data.colorFg
end
else
return data.colorFg
end
end
local drawLEDs = function(data, offset, numberNewChars)
if (numberNewChars == nil) then
numberNewChars=0
end
if (data.rgbBuffer == nil) then
return
end
for i=1,numberNewChars do
data.dC=data.dC+1
data.rgbBuffer:set(offset + i - 1, updateColor(data))
end
end
-- @fn swapLine
-- @param lineOffset offset (starting at 1) where the line is located to be swapped
-- works on the rgbBuffer, defined in data struct
-- @return false on errors, else true
local swapLine = function(data, lineOffset)
if (data.rgbBuffer == nil) then
return false
end
for i = 0,4 do
local num=tonumber(lineOffset)+i
local num2=tonumber(lineOffset)+10-i
local tmpColor=data.rgbBuffer:get(num)
data.rgbBuffer:set(num, data.rgbBuffer:get(num2))
data.rgbBuffer:set(num2, tmpColor)
end
return true
end
-- @fn generateLEDs
-- Module displaying of the words
-- @param rgbBuffer OutputBuffer with 114 LEDs
-- @param words
-- @param colorBg background color
-- @param colorFg foreground color
-- @param colorM1 foreground color if one minute after a displayable time is present
-- @param colorM2 foreground color if two minutes after a displayable time is present
-- @param colorM3 foreground color if three minutes after a displayable time is present
-- @param colorM4 foreground color if four minutes after a displayable time is present
-- @param invertRows wheather line 4,5 and 6 shall be inverted or not
-- @param aoC Amount of characters to be displayed
local generateLEDs = function(rgbBuffer, words, colorBg, colorFg, colorM1, colorM2, colorM3, colorM4, invertRows, aoC)
-- Set the local variables needed for the colored progress bar
if (words == nil) then
return nil
end
if (invertRows == nil) then
invertRows=false
end
local minutes=0
if (words.m1 == 1) then
minutes = minutes + 1
elseif (words.m2 == 1) then
minutes = minutes + 2
elseif (words.m3 == 1) then
minutes = minutes + 3
elseif (words.m4 == 1) then
minutes = minutes + 4
end
-- always set a foreground value
if (colorFg == nil) then
colorFg = string.char(255,255,255)
end
if (aoC ~= nil) then
data.aoC = aoC
data.mC = minutes
else
data.aoC = 0
end
data.rgbBuffer = rgbBuffer
if ( (adc ~= nil) and (words.briPer ~= nil) ) then
local per = math.floor(100*adc.read(0)/1000)
words.briPer = tonumber( ((words.briPer * 4) + per) / 5)
print("Minutes : " .. tostring(minutes) .. " bright: " .. tostring(words.briPer) .. "% current: " .. tostring(per) .. "%")
data.colorFg = string.char(string.byte(colorFg,1) * briPer / 100, string.byte(colorFg,2) * briPer / 100, string.byte(colorFg,3) * briPer / 100)
data.colorM1 = string.char(string.byte(colorM1,1) * briPer / 100, string.byte(colorM1,2) * briPer / 100, string.byte(colorM1,3) * briPer / 100)
data.colorM2 = string.char(string.byte(colorM2,1) * briPer / 100, string.byte(colorM2,2) * briPer / 100, string.byte(colorM2,3) * briPer / 100)
data.colorM3 = string.char(string.byte(colorM3,1) * briPer / 100, string.byte(colorM3,2) * briPer / 100, string.byte(colorM3,3) * briPer / 100)
data.colorM4 = string.char(string.byte(colorM4,1) * briPer / 100, string.byte(colorM4,2) * briPer / 100, string.byte(colorM4,3) * briPer / 100)
else
-- devide by five (Minute 0, Minute 1 to Minute 4 takes the last chars)
data.colorFg=colorFg
data.colorM1=colorM1
data.colorM2=colorM2
data.colorM3=colorM3
data.colorM4=colorM4
end
data.dC=0 -- drawn characters
local charsPerLine=11
-- Space / background has no color by default
local space=string.char(0,0,0)
-- Background color must always be set
if (colorBg ~= nil) then
space = colorBg
else
colorBg = space
end
rgbBuffer:fill(colorBg) -- draw the background
local lineIdx=1
-- line 1----------------------------------------------
if (rowbgColor[1] ~= nil) then
for i=lineIdx,11, 1 do data.rgbBuffer:set(i, rowbgColor[1]) end
end
if (words.it==1) then
drawLEDs(data, lineIdx, 2) -- ES
end
-- K fill character
if (words.is == 1) then
drawLEDs(data, lineIdx+3, 3) -- IST
end
-- L fill character
if (words.m5== 1) then
drawLEDs(data, lineIdx+7, 4) -- FUENF
end
-- line 2-- even row (so inverted) --------------------
lineIdx=12
if (rowbgColor[2] ~= nil) then
for i=lineIdx,(lineIdx+11), 1 do data.rgbBuffer:set(i, rowbgColor[2]) end
end
if (words.m10 == 1) then
drawLEDs(data, lineIdx, 4) -- ZEHN
end
if (words.m20 == 1) then
drawLEDs(data, lineIdx + 4, 7) -- ZWANZIG
end
-- swap line
swapLine(data,lineIdx)
-- line3----------------------------------------------
lineIdx=23
if (rowbgColor[3] ~= nil) then
for i=lineIdx,lineIdx+11, 1 do data.rgbBuffer:set(i, rowbgColor[3]) end
end
if (words.h3q == 1) then
drawLEDs(data,lineIdx, 11) -- DREIVIERTEL
elseif (words.hq == 1) then
drawLEDs(data, lineIdx + 4, 7) -- VIERTEL
end
--line 4-------- even row (so inverted) -------------
lineIdx=34
if (rowbgColor[4] ~= nil) then
for i=lineIdx,lineIdx+11, 1 do data.rgbBuffer:set(i, rowbgColor[4]) end
end
if (words.ha == 1) then
-- TG
drawLEDs(data, lineIdx + 2, 4) -- NACH
end
if (words.hb == 1) then
drawLEDs(data, lineIdx + 6, 3) -- VOR
end
if (invertRows ~= true) then
swapLine(data,lineIdx)
end
-- line 5 ----------------------------------------------
lineIdx=45
if (rowbgColor[5] ~= nil) then
for i=lineIdx,lineIdx+11, 1 do data.rgbBuffer:set(i, rowbgColor[5]) end
end
if (words.half == 1) then
drawLEDs(data, lineIdx, 4) -- HALB
-- X
end
if (words.h12 == 1) then
drawLEDs(data, lineIdx + 5,5) -- ZWOELF
-- P
end
if (invertRows == true) then
swapLine(data,lineIdx)
end
------------even row (so inverted) ---------------------
lineIdx=56
if (rowbgColor[6] ~= nil) then
for i=lineIdx,lineIdx+11, 1 do data.rgbBuffer:set(i, rowbgColor[6]) end
end
if (words.h7 == 1) then
drawLEDs(data, lineIdx + 5, 6) -- SIEBEN
elseif (words.h1l == 1) then
drawLEDs(data, lineIdx + 2,4) -- EINS
elseif (words.h1 == 1) then
drawLEDs(data, lineIdx + 2, 3) -- EIN
elseif (words.h2 == 1) then
drawLEDs(data, lineIdx, 4) -- ZWEI
end
if (invertRows ~= true) then
swapLine(data,lineIdx)
end
------------------------------------------------
lineIdx=67
if (rowbgColor[7] ~= nil) then
for i=lineIdx,lineIdx+11, 1 do data.rgbBuffer:set(i, rowbgColor[7]) end
end
if (words.h3 == 1) then
drawLEDs(data, lineIdx + 1,4) -- DREI
elseif (words.h5 == 1) then
drawLEDs(data, lineIdx + 7, 4) -- FUENF
end
------------even row (so inverted) ---------------------
lineIdx=78
if (rowbgColor[8] ~= nil) then
for i=lineIdx,lineIdx+11, 1 do data.rgbBuffer:set(i, rowbgColor[8]) end
end
if (words.h4 == 1) then
drawLEDs(data, lineIdx + 7, 4) -- VIER
elseif (words.h9 == 1) then
drawLEDs(data, lineIdx + 3, 4) -- NEUN
elseif (words.h11 == 1) then
drawLEDs(data, lineIdx, 3) -- ELF
end
swapLine(data,lineIdx)
------------------------------------------------
lineIdx=89
if (rowbgColor[9] ~= nil) then
for i=lineIdx,lineIdx+11, 1 do data.rgbBuffer:set(i, rowbgColor[9]) end
end
if (words.h8 == 1) then
drawLEDs(data, lineIdx + 1, 4) -- ACHT
elseif (words.h10 == 1) then
drawLEDs(data, lineIdx + 5, 4) -- ZEHN
end
------------even row (so inverted) ---------------------
lineIdx=100
if (rowbgColor[10] ~= nil) then
for i=lineIdx,lineIdx+11, 1 do data.rgbBuffer:set(i, rowbgColor[10]) end
end
if (words.h6 == 1) then
drawLEDs(data, lineIdx + 1, 5) -- SECHS
end
if (words.cl == 1) then
drawLEDs(data, lineIdx + 8, 3) -- UHR
end
swapLine(data,lineIdx)
------ Minutes -----------
if (words.m1 == 1) then
data.rgbBuffer:set(111, colorFg)
end
if (words.m2 == 1) then
data.rgbBuffer:set(112, colorFg)
end
if (words.m3 == 1) then
data.rgbBuffer:set(113, colorFg)
end
if (words.m4 == 1) then
data.rgbBuffer:set(114, colorFg)
end
collectgarbage()
end
-- Count amount of characters to display
local countChars = function(words)
local characters = 0
for key,value in pairs(words) do
if (value > 0) then
if (key == "it") then
characters = characters + 2
elseif (key == "is") then
characters = characters + 3
elseif (key == "m5") then
characters = characters + 4
elseif (key == "m10") then
characters = characters + 4
elseif (key == "ha") then
characters = characters + 4
elseif (key == "hb") then
characters = characters + 3
elseif (key == "h3") then
characters = characters + 4
elseif (key == "hq") then
characters = characters + 7
elseif (key == "h3q") then
characters = characters + 11
elseif (key == "half") then
characters = characters + 4
elseif (key == "h1") then
characters = characters + 3
elseif (key == "h1l") then
characters = characters + 4
elseif (key == "h2") then
characters = characters + 4
elseif (key == "h3") then
characters = characters + 4
elseif (key == "h4") then
characters = characters + 4
elseif (key == "h5") then
characters = characters + 4
elseif (key == "h6") then
characters = characters + 4
elseif (key == "h7") then
characters = characters + 6
elseif (key == "h8") then
characters = characters + 4
elseif (key == "h9") then
characters = characters + 4
elseif (key == "h10") then
characters = characters + 4
elseif (key == "h11") then
characters = characters + 3
elseif (key == "h12") then
characters = characters + 5
elseif (key == "m20") then
characters = characters + 7
elseif (key == "cl") then
characters = characters + 3
end
end
end
return characters
end
M = {
generateLEDs = generateLEDs,
round = round,
drawLEDs = drawLEDs,
updateColor = updateColor,
data = data,
countChars = countChars
}
end
dw = M