Issue 187 enable skipped ztest suites (#189)

* Fix some ztests that were skipped

* Expose bacapp_same_value()

* Fix bacapp, ptransfer tests

* Fix bugs in Load_Control object & tests

* refactor days functions from datetime module

* fix legacy ctests

* Add bacnet/basic/sys/days.[ch] to Zephyr build

* Update ztest to match from Zephyr v2.6.0; update ringbuf, datetime to build

* Fixup ztest test for object/acc

* Fix bvlc_address_from_ascii; enable/fix bvlc test

* Comment cleanup

* test/bacnet/basic/object/lc partially enabled

* Fix bacapp_decode_data_len return status on erroneous input

* fix ztest include fatal error

* fix ztest strsignal reference fatal error

* fix zassert_mem_equal reference syntax error

* fix zassert_mem_equal reference syntax error

Co-authored-by: Gregory Shue <gregory.shue@legrand.us>
Co-authored-by: Steve Karg <skarg@users.sourceforge.net>

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

@@ -45,6 +45,7 @@ add_executable(${PROJECT_NAME}
 	${SRC_DIR}/bacnet/datetime.c
 	${SRC_DIR}/bacnet/indtext.c
 	${SRC_DIR}/bacnet/lighting.c
+	${SRC_DIR}/bacnet/basic/sys/days.c
     # Test and test library files
 	./src/main.c
 	${ZTST_DIR}/ztest_mock.c

test/bacnet/basic/object/acc/src/main.c

@@ -10,6 +10,7 @@
 
 #include <ztest.h>
 #include <bacnet/basic/object/acc.h>
+#include <bacnet/bactext.h>
 
 /**
  * @addtogroup bacnet_tests
@@ -26,7 +27,7 @@ static void test_Accumulator(void)
     int test_len = 0;
     BACNET_READ_PROPERTY_DATA rpdata = {0};
     BACNET_APPLICATION_DATA_VALUE value = {0};
-    int *required_property = NULL;
+    const int *required_property = NULL;
     BACNET_UNSIGNED_INTEGER unsigned_value = 1;
 
     Accumulator_Init();