Feature/color objects color command (#302)

* added BACnetColorCommand and BACnetxyColor encoding and unit testing

* Added Color object and unit testing.

* Added Color Temperature object and Unit test

* Fix BVLC unit test warning.

* add port Makefile for extra types

* added RGB to and from CIE xy utility in sys folder, and add unit tests.

* added cmake-win32 target

* Change RP and RPM to use known property decoder.

Add color object RP and RPM decoding and printing
Fix RPM print for new reserved range above 4194303
Change default protocol-revision to 24 for Color object

* Integrate Color and Color Temperature objects into demo apps

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

ports/at91sam7s/Makefile

@@ -30,10 +30,14 @@ BACNET_BASIC = $(BACNET_CORE)/basic
 INCLUDES = -I. -I$(BACNET_SRC)
 #OPTIMIZATION = -O0
 OPTIMIZATION = -Os
-CFLAGS = -fno-common $(INCLUDES) $(BACNET_FLAGS) -Wall -g
+CFLAGS = -fno-common $(INCLUDES) $(BACNET_FLAGS) -g
 CFLAGS += -mno-thumb-interwork
 # dead code removal
 CFLAGS += -fdata-sections -ffunction-sections
+# warning control
+CFLAGS += -Wall
+CFLAGS += -Wno-char-subscripts
+
 LIBRARY = lib$(TARGET).a
 #  -Wa,<options> Pass comma-separated <options> on to the assembler
 AFLAGS = -Wa,-ahls,-mapcs-32,-adhlns=$(<:.s=.lst)
@@ -46,6 +50,7 @@ LDFLAGS += -Wl,--gc-sections,-static
 CPFLAGS = --output-target=binary
 ODFLAGS	= -x --syms
 
+
 ASRC = crt.s
 
 PORTSRC = main.c \
@@ -100,6 +105,7 @@ CORESRC = $(BACNET_CORE)/abort.c \
 	$(BACNET_CORE)/reject.c \
 	$(BACNET_CORE)/rp.c \
 	$(BACNET_CORE)/rpm.c \
+	$(BACNET_CORE)/timestamp.c \
 	$(BACNET_CORE)/whohas.c \
 	$(BACNET_CORE)/whois.c \
 	$(BACNET_CORE)/wp.c

ports/at91sam7s/bacnet.ewp

@@ -1181,6 +1181,9 @@
         <file>
             <name>$PROJ_DIR$\..\..\src\bacnet\rpm.c</name>
         </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\src\bacnet\timestamp.c</name>
+        </file>
         <file>
             <name>$PROJ_DIR$\..\..\src\bacnet\whohas.c</name>
         </file>