Simulator script for E46

E46_CAN_simulator.lua

setTickRate(30)

function encodeWheel(value)
 low_byte = bit.band(value, 0xFF)
 high_byte = bit.rshift(bit.band(value, 0x1F00), 5)
 return low_byte, high_byte
end

lf_wheel = 0
rf_wheel = 0
lr_wheel = 0
rr_wheel = 0
function send_496()
  local lf_low, lf_high = encodeWheel(lf_wheel)
  local rf_low, rf_high = encodeWheel(rf_wheel)
  local lr_low, lr_high = encodeWheel(lr_wheel)
  local rr_low, rr_high = encodeWheel(rr_wheel)

  data={lf_low, lf_high, rf_low, rf_high, lr_low, lr_high, rr_low, rr_high}
  txCAN(0, 496, 0, data)

  lf_wheel = lf_wheel + 1
  if lf_wheel > 0x1FFF then lf_wheel = 0 end

  rf_wheel = rf_wheel + 1
  if rf_wheel > 0x1FFF then rf_wheel = 0 end

  lr_wheel = lr_wheel + 1
  if lr_wheel > 0x1FFF then lr_wheel = 0 end

  rr_wheel = rr_wheel + 1
  if rr_wheel > 0x1FFF then rr_wheel = 0 end
end

clutch = 0
tps = 0
engineTemp = 0
function send_809()
  local data = {0x00, 0x00, 0x00, clutch, 0x00, tps}
  txCAN(0, 809, 0, data)

  if clutch == 0 then clutch = 0x80 else clutch = 0 end

  tps = tps + 1
  if tps > 255 then tps = 0 end
end

gearboxTemp = 0
function send_1083()
  local data = {gearboxTemp}
  txCAN(0, 1083, 0, data)
  gearboxTemp = gearboxTemp + 1
  if gearboxTemp > 255 then gearboxTemp = 0 end
end

brakeSw = 0
function send_339()
  txCAN(0, 339, 0, {brakeSw})
  if brakeSw == 0 then brakeSw = 0x8 else brakeSw = 0 end
end

brakePress = 0
function send_504()
 data={0x00, 0x00, brakePress}
 txCAN(0, 504, 0, data)
 brakePress = brakePress + 1
 if brakePress > 255 then brakePress = 0 end
end

rpm = 0
function send_790()
  rpm_low = bit.band(rpm, 0xFF)
  rpm_high = bit.rshift(rpm, 8)
  data={0x00, 0x00, rpm_low, rpm_high}
  txCAN(0, 790, 0, data)
  rpm = rpm + 1
  if rpm > 65535 then rpm = 0 end
end

extTemp = 0
function send_1557() 
  data={0, 0, 0, extTemp}
  txCAN(0, 1557, 0, data)
  extTemp = extTemp +1
  if extTemp > 255 then extTemp = 0 end
end

function onTick() 
  send_496() --wheel speed data
  send_809() --engine temp, clutch switch, TPS
  send_1083() --gearbox temp
  send_339() --brake switch
  send_504() --brake pressure
  send_790() --send RPM
  send_1557() --ext temp
end