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B6

This commit is contained in:
rusefi 2022-09-04 11:29:18 -04:00
parent bc332bf879
commit 5c88f4c1f0
2 changed files with 36 additions and 12 deletions
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26
firmware/config/engines/vw_b6.cpp
View File

@ -203,12 +203,34 @@ function setTwoBytes(data, offset, value)
data[offset + 1] = value & 0xff
end
function xorChecksum(data)
return data[1] ~ data[2] ~ data[3] ~ data[4] ~ data[5] ~ data[6] ~ data[7]
function xorChecksum(data, targetIndex)
local index = 1
local result = 0
while data[index] ~= nil do
if index ~= targetIndex then
result = result ~ data[index]
end
index = index + 1
end
data[targetIndex] = result
return result
end
function getBitRange(data, bitIndex, bitWidth)
byteIndex = bitIndex >> 3
shift = bitIndex - byteIndex * 8
value = data[1 + byteIndex]
if (shift + bitWidth > 8) then
value = value + data[2 + byteIndex] * 256
end
mask = (1 << bitWidth) - 1
return (value >> shift) & mask
end
canMotor1 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
canMotorInfo = { 0x00, 0x00, 0x00, 0x14, 0x1C, 0x93, 0x48, 0x14 }
canMotor3 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
canMotor6 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
canMotor7 = { 0x1A, 0x66, 0x7E, 0x00, 0x00, 0x00, 0x00, 0x00 }
setTickRate(100)

22
unit_tests/tests/lua/test_lua_vag.cpp
View File

@ -3,18 +3,20 @@
#include "lua_lib.h"
// XOR of the array, skipping target index
#define VAG_CHECKSUM "function xorChecksum(data, targetIndex) \
#define VAG_CHECKSUM " \
function xorChecksum(data, targetIndex) \
local index = 1 \
local result = 0 \
while data[index] ~= nil do \
if index ~= targetIndex then \
result = result ~ data[index] \
end \
index = index + 1 \
end \
data[targetIndex] = result \
return result \
end"
while data[index] ~= nil do \
if index ~= targetIndex then \
result = result ~ data[index] \
end \
index = index + 1 \
end \
data[targetIndex] = result \
return result \
end \
"
TEST(LuaVag, Checksum) {