rusefi_documentation/temp_pri2022_lua.txt

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function setTwoBytes(data, offset, value)
value = math.floor(value)
data[offset + 2] = value >> 8
data[offset + 1] = value & 0xff
end
R52_RPM = 0x316
data = { 0, 0, 0, 00, 0, 0 , 0, 0 }
-- just nice init position
rpm = 4000
-- https://rusefi.com/forum/viewtopic.php?f=4&t=2325
-- tested on 9286699
-- CAN Rx Channels
IDRIVE_BUTTONS = 0x267
IDRIVE_ROTARY = 0x264
-- CAN Tx Channels
IDRIVE_BRIGHTNESS = 0x202
IDRIVE_HEARBEAT = 0x560
IDRIVE_ROTARY_INIT = 0x273
brighness = 0
canRxAdd(IDRIVE_ROTARY) -- rotation
canRxAdd(IDRIVE_BUTTONS) -- buttons
setTickRate(5) -- set tick rate to 5hz
-- One time rotary initialisation
txCan(1, IDRIVE_ROTARY_INIT, 0, { 0x1D, 0xE1, 0x00, 0xF0, 0xFF, 0x7F, 0xDE, 0x04 })
function onCanRx(bus, id, dlc, data)
-- print('got CAN id=' ..id ..' dlc=' ..dlc)
if id == IDRIVE_BUTTONS then
-- print('got buttons @4=' ..data[4] ..' @6=' ..data[6])
if data[4] == 1 or data[4] == 2 then
print('got hold or release @4=' ..data[4] ..' @6=' ..data[6])
if data[6] == 2 and brighness > 0 then
brighness = brighness - 1
print('brighness ' ..brighness)
end
if data[6] == 4 and brighness < 15 then
brighness = brighness + 1
print('brighness ' ..brighness)
end
end
end
if id == IDRIVE_ROTARY then
if data[5] == 0x80 then
rightClicks = data[4]
print('rotary turned right ' ..rightClicks ..' clicks')
rpm = 400 * rightClicks
end
if data[5] == 0x7f then
print('rotary turned left ' ..255 - data[4] ..' clicks')
end
end
end
function onTick()
-- wake up, need to send once every 1.5 second but we can send more often because why not
txCan(1, IDRIVE_HEARBEAT, 0, { 3 })
txCan(1, IDRIVE_BRIGHTNESS, 0, { brighness * 16 + 0xd })
-- rpm = rpm + 300
-- if rpm > 8000 then
-- rpm = 0
-- end
setTwoBytes(data, 2, rpm * 6.39)
txCan(1, R52_RPM, 0, data)
-- 1 ABS and warm-up light but no tach
-- 3 blinker and alive
-- 4 ABS and alive
--
status2 = 2
-- status3 = 0xC0
status3 = 0x0
status4 = 0x0
-- status4 = 0xC0
-- with ABS with blinker with warm-up light
-- status4 = 0xFF
txCan(1, 0x61f, 0, { 0, 0, status2, status3, status, 0 , 0, 0 })
end