70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
#include "pch.h"
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#include "rusefi_lua.h"
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#define TWO_BYTES "function twoBytes(data, offset, factor) \
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return (data[offset + 2] * 256 + data[offset + 1]) * factor \
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end"
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// https://github.com/HeinrichG-V12/E65_ReverseEngineering/blob/main/docs/0x3B4.md
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TEST(LuaE65, Battery) {
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const char* realdata = TWO_BYTES R"(
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function testFunc()
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data = {0xdc, 0x03, 0x00, 0x53, 0xFE, 0xD3, 0x04, 0x00}
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return twoBytes(data, 0, 0.0147)
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end)";
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EXPECT_NEAR_M3(testLuaReturnsNumberOrNil(realdata).value_or(0), 14.5236);
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}
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// https://github.com/HeinrichG-V12/E65_ReverseEngineering/blob/main/docs/0x0A8.md
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TEST(LuaE65, extractTorqueFromA8) {
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const char* realdata = TWO_BYTES R"(
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function testFunc()
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data = { 0x42, 0x89, 0x10, 0x80, 0x10, 0x0F, 0x00, 0x60 }
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return 0.5 * (twoBytes(data, 1, 1) >> 4)
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end
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)";
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EXPECT_NEAR_M3(testLuaReturnsNumberOrNil(realdata).value_or(0), 0x108 / 2);
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}
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// http://loopybunny.co.uk/CarPC/can/0AA.html
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TEST(LuaE65, Rpm) {
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const char* realdata = TWO_BYTES R"(
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function testFunc()
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data = {0x5F, 0x59, 0xFF, 0x00, 0x34, 0x0D, 0x80, 0x99}
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return twoBytes(data, 4, 0.25)
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end)";
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EXPECT_NEAR_M3(testLuaReturnsNumberOrNil(realdata).value_or(0), 845);
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}
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TEST(LuaE65, sumChecksum) {
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// checksum is first byte
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// id = A8, packet:
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// 12 AD 05 A0 05 0F 00 02
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const char* realdata = R"(
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function bmwChecksum(canID, data, offset, length)
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checksum = canID
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for i = offset, offset + length - 1,1
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do
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checksum = checksum + data[i]
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end
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checksum = (checksum >> 8) + (checksum & 0xff)
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return checksum
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end
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function testFunc()
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canID = 0xA8
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data = { 0xAD, 0x05, 0xA0, 0x05, 0x0F, 0x00, 0x02 }
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checksum = bmwChecksum(canID, data, 1, 7)
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return checksum;
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end)";
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EXPECT_NEAR_M3(testLuaReturnsNumberOrNil(realdata).value_or(0), 0x12);
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}
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