ECU to Mainline DynoLog Data Protocol #4319

firmware/controllers/lua/examples/ECU-to-DynoLog.txt

@@ -0,0 +1,23 @@
+
+DYNOLOG_BASE = 0x680
+
+setTickRate(5) -- set tick rate to 5hz
+
+protocolPacket = { 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+protocolBase1 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+
+function setTwoBytesMsb(data, offset, value)
+	value = math.floor(value)
+	data[offset + 1] = value >> 8
+	data[offset + 2] = value & 0xff
+end
+
+function onTick()
+    local RPM = getSensor("RPM")
+    local MAP = getSensor("MAP")
+    local TPS = getSensor("TPS1")
+    local IAT = getSensor("IAT")
+
+
+    txCan(1, DYNOLOG_BASE + 0, 0, protocolPacket)
+end

firmware/controllers/lua/lua_lib.h

@@ -14,10 +14,27 @@
 end \
 	"
 
+// LSB (Least Significant Byte comes first) "Intel"
+#define TWO_BYTES_LSB "function getTwoBytesLSB(data, offset, factor)        \
+		return (data[offset + 2] * 256 + data[offset + 1]) * factor   \
+	end"
 
+// Little-endian System, "Intel"
 #define SET_TWO_BYTES "	function setTwoBytes(data, offset, value) \
 		value = math.floor(value) \
 		data[offset + 2] = value >> 8 \
 		data[offset + 1] = value & 0xff \
 	end \
 	"
+
+// MOTOROLA order, MSB (Most Significant Byte/Big Endian) comes first.
+#define TWO_BYTES_MSB "function getTwoBytesMSB(data, offset, factor)        \
+		return (data[offset + 1] * 256 + data[offset + 2]) * factor   \
+	end"
+
+#define SET_TWO_BYTES_MSB "	function setTwoBytesMsb(data, offset, value) \
+		value = math.floor(value) \
+		data[offset + 1] = value >> 8 \
+		data[offset + 2] = value & 0xff \
+	end \
+	"

unit_tests/tests/lua/test_lua_e65.cpp

@@ -12,12 +12,6 @@
 		return checksum \
 	end "
 
-// LSB (Least Significant Byte comes first)
-#define TWO_BYTES_LSB "function getTwoBytesLSB(data, offset, factor)        \
-		return (data[offset + 2] * 256 + data[offset + 1]) * factor   \
-	end"
-
-
 #define GET_BIT_RANGE "function getBitRange(data, bitIndex, bitWidth)  \
 	byteIndex = bitIndex >> 3  \
 	shift = bitIndex - byteIndex * 8  \

unit_tests/tests/lua/test_lua_ford.cpp

@@ -2,12 +2,6 @@
 #include "rusefi_lua.h"
 #include "lua_lib.h"
 
-
-// MOTOROLA order, MSB (Most Significant Byte/Big Endian) comes first.
-#define TWO_BYTES_MSB "function getTwoBytesMSB(data, offset, factor)        \
-		return (data[offset + 1] * 256 + data[offset + 2]) * factor   \
-	end"
-
 TEST(LuaFordFocusII, PPS_low) {
 	const char* realdata = TWO_BYTES_MSB R"(
 

unit_tests/tests/lua/test_lua_vag.cpp

@@ -19,6 +19,7 @@ TEST(LuaVag, Checksum) {
     EXPECT_NEAR_M3(testLuaReturnsNumberOrNil(realdata).value_or(0), 0x60);
 }
 
+// LSB (Least Significant Byte comes first) "Intel"
 TEST(LuaVag, packMotor1) {
 	const char* realdata = ARRAY_EQUALS SET_TWO_BYTES R"(