Testing the Atmel ARM7 port with an actual UART attached. Fixed several problems, but still not responding.

bacnet-stack/ports/at91sam7s/makefile

@@ -11,7 +11,12 @@ AR=arm-elf-ar
 
 LDSCRIPT=at91sam7s256.ld
 
-BACNET_FLAGS = -DBACDL_MSTP=1 -DPRINT_ENABLED=0 -DBIG_ENDIAN=0 -DMAX_APDU=480 -DDLMSTP_TEST
+BACNET_FLAGS = -DBACDL_MSTP
+BACNET_FLAGS += -DPRINT_ENABLED=0
+BACNET_FLAGS += -DBIG_ENDIAN=0
+BACNET_FLAGS += -DMAX_APDU=480
+#BACNET_FLAGS += -DDLMSTP_TEST
+
 INCLUDES = -I. -I../.. -I../../demo/handler -I../../demo/object
 #OPTIMIZATION = -O0
 OPTIMIZATION = -Os
@@ -67,8 +72,8 @@ CORESRC = ../../npdu.c \
 	../../iam.c \
 	../../version.c
 
-#CSRC = $(PORTSRC) $(DEMOSRC) $(CORESRC)
-CSRC = $(PORTSRC)
+CSRC = $(PORTSRC) $(DEMOSRC)
+#CSRC = $(PORTSRC)
 
 AOBJ = $(ASRC:.s=.o)
 COBJ = $(CSRC:.c=.o)