Simulated tire, brake temperature, TPMS and engine sensors. Tire and brake data based on g-force readings.

car_overview_simulator.lua

--Note, If 2.10.2 firmware, AccelX and AccelY need to be inverted in the RCP configuration.

tires = 4
tireZones = 4
tirePrefixes = {'TireTmpLF', 'TireTmpRF', 'TireTmpLR', 'TireTmpRR'}
tireValues = {}
tireIds = {}
minTireVal = 0
maxTireVal = 300

brakes = 4
brakeZones = 1
brakePrefixes = {'BrakeTmpLF', 'BrakeTmpRF', 'BrakeTmpLR', 'BrakeTmpRR'}
brakeValues = {}
brakeIds = {}
minBrakeVal = 0
maxBrakeVal = 1000

function setupChannels(prefixes, ids, items, zones, minVal, maxVal, sr)
 local ti = 1
 for c=1,items do
  for t=1,zones do
   local name = prefixes[c]
   if zones > 1 then 
     name = name ..t
     name = name:sub(1, -3) --trim deimal point
   end
   println('setting up "' ..name ..'"')
   ids[ti] = addChannel(name, sr, 0, minVal, maxVal, 'F')
   ti=ti+1
  end
 end
end

function updateTires()
 --left side is 1, 3
 --right side is 2, 4
 accelX = getImu(0) --braking
 if accelX < 0 then accelX = -accelX else accelX = 0 end
 accelY = -getImu(1) --cornering
 local i=1
 for c=1, tires do
  local offset = 100
  left_cornering = 0
  right_cornering = 0 
  if accelY > 0 then left_cornering = accelY * 250 end
  if accelY < 0 then right_cornering = (-accelY) * 250 end
  for t=1,tireZones do
   offset = offset - 20
   value = offset + accelX * 250 + math.random(0,20)
   if c % 2 == 0 then value = value + right_cornering else value = value + left_cornering end
   tireValues[i] = value
   setChannel(tireIds[i], tireValues[i])
   i=i+1
  end
 end
end

function updateBrakes()
 --front side is 1, 2
 --rear side is 3, 4
 local offset = 500
 accelX = getImu(0) --braking
 if accelX < 0 then accelX = -accelX else accelX = 0 end
 local i=1
 for c=1, brakes do
  for t=1,brakeZones do
   value = offset + (accelX * 1000) + math.random(0,60)
   if c > 2 then value = value - 200 end --rear brakes don't get as hot
   brakeValues[i] = value
   setChannel(brakeIds[i], brakeValues[i])
   i=i+1
  end
 end
end

function r()
 return math.random(0,2)
end
function updateSensors()
 setChannel(engineTempId, 198 + r())
 setChannel(coolantPressId, 27 + r())
 setChannel(oilTempId, 250 + r())
 setChannel(oilPressId, 47 + r())
 setChannel(diffTempId, 230 + r())
 setChannel(heartRateId, 100 + r())
 setChannel(transTempId, 210 + r())
 setChannel(fuelLevelId, 85 + r())
 
 for p=1,4 do
   setChannel(pressIds[p], 35 + r())
 end
end

function onTick()
 updateTires()
 updateBrakes()
 updateSensors()
end

setTickRate(10)
setupChannels(tirePrefixes, tireIds, tires, tireZones, minTireVal, maxTireVal, 10)
setupChannels(brakePrefixes, brakeIds, brakes, brakeZones, minBrakeVal, maxBrakeVal, 10)
pressIds = {}
setupChannels({'TPressLF', 'TPressRF', 'TPressLR', 'TPressRR'}, pressIds, 4, 1, 0, 50, 1)


engineTempId = addChannel("EngineTemp", 1, 0, 0, 250, 'F')
coolantPressId = addChannel("CoolantPres", 1, 0, 0, 25, 'PSI')
oilTempId = addChannel("OilTemp", 1, 0, 0, 250, 'F')
oilPressId = addChannel("OilPress", 1, 0, 0, 150, 'PSI')
diffTempId = addChannel("DiffTemp", 1, 0, 0, 250, 'F')
heartRateId = addChannel("HeartRate", 1, 0, 0, 200, 'BPM')
transTempId = addChannel("TransTemp", 1, 0, 0, 250, 'F')
fuelLevelId = addChannel("FuelLevel", 1, 0, 0, 100, '%')