[VT]: Add Virtual Terminal Object Classes

Added classes to represent most VT objects.
This is intended to be used with a VT server (coming soon) or
with an object pool editor program.

CMakeLists.txt

@@ -114,6 +114,7 @@ if(BUILD_TESTING)
       test/guidance_tests.cpp
       test/speed_distance_message_tests.cpp
       test/maintain_power_tests.cpp
+      test/vt_object_tests.cpp
       test/nmea2000_message_tests.cpp)
 
   add_executable(unit_tests ${TEST_SRC})

isobus/CMakeLists.txt

@@ -38,6 +38,7 @@ set(ISOBUS_SRC
     "isobus_guidance_interface.cpp"
     "isobus_speed_distance_messages.cpp"
     "isobus_maintain_power_interface.cpp"
+    "isobus_virtual_terminal_objects.cpp"
     "nmea2000_message_definitions.cpp"
     "nmea2000_message_interface.cpp")
 
@@ -79,6 +80,7 @@ set(ISOBUS_INCLUDE
     "isobus_functionalities.hpp"
     "isobus_speed_distance_messages.hpp"
     "isobus_maintain_power_interface.hpp"
+    "isobus_virtual_terminal_objects.hpp"
     "nmea2000_message_definitions.hpp"
     "nmea2000_message_interface.hpp")
 # Prepend the include directory path to all the include files

isobus/include/isobus/isobus/can_constants.hpp

@@ -9,6 +9,8 @@
 #ifndef CAN_CONSTANTS_HPP
 #define CAN_CONSTANTS_HPP
 
+#include <cstdint>
+
 namespace isobus
 {
 	constexpr std::uint64_t DEFAULT_NAME = 0xFFFFFFFFFFFFFFFF; ///< An invalid NAME used as a default