Feature/makefile add apps library (#218)

* add BACnet stack library at apps/lib

* convert apps to use apps/lib for smaller binary

* fix -DBACDL_ALL=1 build

* fix piface build

* datalink MAX_MPDU and MAX_HEADER cleanup

* add bip6 to git workflow

* fix system library dependency of BACnet library

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

src/bacnet/datalink/datalink.h

@@ -30,6 +30,7 @@
 
 #if defined(BACDL_ETHERNET)
 #include "bacnet/datalink/ethernet.h"
+#define MAX_MPDU ETHERNET_MPDU_MAX
 
 #define datalink_init ethernet_init
 #define datalink_send_pdu ethernet_send_pdu
@@ -41,6 +42,7 @@
 
 #elif defined(BACDL_ARCNET)
 #include "bacnet/datalink/arcnet.h"
+#define MAX_MPDU ARCNET_MPDU_MAX
 
 #define datalink_init arcnet_init
 #define datalink_send_pdu arcnet_send_pdu
@@ -52,6 +54,7 @@
 
 #elif defined(BACDL_MSTP)
 #include "bacnet/datalink/dlmstp.h"
+#define MAX_MPDU DLMSTP_MPDU_MAX
 
 #define datalink_init dlmstp_init
 #define datalink_send_pdu dlmstp_send_pdu
@@ -65,6 +68,7 @@
 #include "bacnet/datalink/bip.h"
 #include "bacnet/datalink/bvlc.h"
 #include "bacnet/basic/bbmd/h_bbmd.h"
+#define MAX_MPDU BIP_MPDU_MAX
 
 #define datalink_init bip_init
 #define datalink_send_pdu bip_send_pdu
@@ -85,6 +89,8 @@ void routed_get_my_address(
 #include "bacnet/datalink/bip6.h"
 #include "bacnet/datalink/bvlc6.h"
 #include "bacnet/basic/bbmd6/h_bbmd6.h"
+#define MAX_MPDU BIP6_MPDU_MAX
+
 #define datalink_init bip6_init
 #define datalink_send_pdu bip6_send_pdu
 #define datalink_receive bip6_receive