Chore/bacnet-sc-unrelated-cleanup (#620)

* Added required linux Ethernet library for ethernet build

* Added .obj to gitignore

* Fixed BACnet port for APPLE to use BSD in CMake

* Changed format in CMake to enable cleaner SC merge

* Added create-object and delete-object recipes in GCC Makefile

* Added datalink timer to all example OS apps

* Changed most microcontroller ports to use BACAPP_MINIMAL to specify which datatypes can be written.

* Fixed zephyr OS for BACnet/IP warning

* Fixed zephyr OS log to not require log_strdup

* Added writefile API to file object example

* Added API to device-client to make it more robust.

* Added API in network-port object for getting the ASCII object-name

* Added debug print with a timestamp option

* Added debug print with hex dump print

* Added API to network port object for activate and discard

* Added default define for debug with timestamp

* Added prototype in header for disabled debug printf.

* Added fifo peek ahead function to peek at more than one byte.

* Added get-mac value for network port that uses buffer rather than octetstring

ports/at91sam7s/CMakeLists.txt

@@ -188,6 +188,7 @@ target_compile_definitions(${EXECUTABLE} PRIVATE
     -DPRINT_ENABLED=0
     -DMAX_TSM_TRANSACTIONS=0
     -DCRC_USE_TABLE
+    -DBACAPP_MINIMAL
 )
 
 # inhibit pedantic warnings

ports/at91sam7s/Makefile

@@ -22,7 +22,7 @@ BACNET_FLAGS += -DMAX_OCTET_STRING_BYTES=64
 BACNET_FLAGS += -DPRINT_ENABLED=0
 BACNET_FLAGS += -DMAX_APDU=480
 BACNET_FLAGS += -DCRC_USE_TABLE
-#BACNET_FLAGS += -DDLMSTP_TEST
+BACNET_FLAGS += -DBACAPP_MINIMAL
 ifeq (${LEGACY},true)
 # disable deprecated function warnings for legacy builds
 BACNET_FLAGS += -DBACNET_STACK_DEPRECATED_DISABLE

ports/at91sam7s/bacnet.ewp

@@ -231,6 +231,7 @@
                     <state>PRINT_ENABLED=0</state>
                     <state>MAX_APDU=480</state>
                     <state>CRC_USE_TABLE</state>
+                    <state>BACAPP_MINIMAL</state>
                 </option>
                 <option>
                     <name>CCPreprocFile</name>