Add suport for Memory Constrained systems

src/modules/dataman/dataman.h

@@ -60,6 +60,20 @@ typedef enum {
 
 #define DM_KEY_WAYPOINTS_OFFBOARD(_id) (_id == 0 ? DM_KEY_WAYPOINTS_OFFBOARD_0 : DM_KEY_WAYPOINTS_OFFBOARD_1)
 
+#if defined(MEMORY_CONSTRAINED_SYSTEM)
+enum {
+	DM_KEY_SAFE_POINTS_MAX = 8,
+#ifdef __cplusplus
+	DM_KEY_FENCE_POINTS_MAX = fence_s::GEOFENCE_MAX_VERTICES,
+#else
+	DM_KEY_FENCE_POINTS_MAX = GEOFENCE_MAX_VERTICES,
+#endif
+	DM_KEY_WAYPOINTS_OFFBOARD_0_MAX = NUM_MISSIONS_SUPPORTED,
+	DM_KEY_WAYPOINTS_OFFBOARD_1_MAX = NUM_MISSIONS_SUPPORTED,
+	DM_KEY_WAYPOINTS_ONBOARD_MAX = (NUM_MISSIONS_SUPPORTED / 10),
+	DM_KEY_MISSION_STATE_MAX = 1
+};
+#else
 /** The maximum number of instances for each item type */
 enum {
 	DM_KEY_SAFE_POINTS_MAX = 8,
@@ -73,7 +87,7 @@ enum {
 	DM_KEY_WAYPOINTS_ONBOARD_MAX = NUM_MISSIONS_SUPPORTED,
 	DM_KEY_MISSION_STATE_MAX = 1
 };
-
+#endif
 /** Data persistence levels */
 typedef enum {
 	DM_PERSIST_POWER_ON_RESET = 0,	/* Data survives all resets */

src/modules/navigator/navigation.h

@@ -45,7 +45,11 @@
 #include <stdint.h>
 #include <stdbool.h>
 
-#define NUM_MISSIONS_SUPPORTED 256
+#if defined(MEMORY_CONSTRAINED_SYSTEM)
+#  define NUM_MISSIONS_SUPPORTED 50
+#else
+#  define NUM_MISSIONS_SUPPORTED 256
+#endif
 
 #define NAV_EPSILON_POSITION	0.001f	/**< Anything smaller than this is considered zero */