Feature/write property type check refactor (#182)

* refactor write-property tag check

* modify ports objects to use write-property tag check API

* modify example objects to use write-property tag check API

* Fix object unit test builds

* Fix and run unit ztests via CMake

* Enable unit testing on Travis CI

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>

test/bacnet/basic/object/lc/CMakeLists.txt

@@ -47,6 +47,7 @@ add_executable(${PROJECT_NAME}
 	${SRC_DIR}/bacnet/datetime.c
 	${SRC_DIR}/bacnet/indtext.c
 	${SRC_DIR}/bacnet/lighting.c
+	${SRC_DIR}/bacnet/wp.c
 	./stubs.c
     # Test and test library files
 	./src/main.c

test/bacnet/basic/object/lc/stubs.c

@@ -29,21 +29,6 @@
 #include <stdint.h>
 #include "bacnet/bacapp.h"
 #include "bacnet/datetime.h"
-//#include "bacnet/bacdef.h"
-//#include "bacnet/npdu.h"
-
-bool WPValidateArgType(BACNET_APPLICATION_DATA_VALUE *pValue,
-    uint8_t ucExpectedTag,
-    BACNET_ERROR_CLASS *pErrorClass,
-    BACNET_ERROR_CODE *pErrorCode)
-{
-    pValue = pValue;
-    ucExpectedTag = ucExpectedTag;
-    pErrorClass = pErrorClass;
-    pErrorCode = pErrorCode;
-
-    return false;
-}
 
 void datetime_init(void)
 {