Merged in mindnever/librepilot/LP-432-reduce_ram_usage_on_f1_f3 (pull request #466)

LP-432 Reduce memory footprint on F1 and F3 targets

Approved-by: Vladimir Zidar <mr_w@mindnever.org>
Approved-by: Philippe Renon <philippe_renon@yahoo.fr>
Approved-by: Jan NIJS <dr.oblivium@gmail.com>
Approved-by: Lalanne Laurent <f5soh@free.fr>

Author: mindnever

flight/make/apps-defs.mk

@@ -169,6 +169,10 @@ MODNAMES := $(notdir $(subst /revolution,,$(MODULES)))
 MODULES_BUILTIN := $(foreach mod, $(MODNAMES), -DMODULE_$(shell echo $(mod) | tr '[:lower:]' '[:upper:]')_BUILTIN)
 CDEFS += $(MODULES_BUILTIN)
 
+MODNAMES_ALL := $(notdir $(subst /revolution,,$(OPTMODULES) $(MODULES)))
+MODULES_ALL := $(foreach mod, $(MODNAMES_ALL), -DHAS_$(shell echo $(mod) | tr '[:lower:]' '[:upper:]')_MODULE)
+CDEFS += $(MODULES_ALL)
+
 # List C source files here which must be compiled in ARM-Mode (no -mthumb).
 # Use file-extension c for "c-only"-files
 SRCARM +=

flight/modules/Telemetry/telemetry.c

@@ -777,6 +777,7 @@ static int32_t setLoggingPeriod(
     UAVObjHandle obj,
     int32_t updatePeriodMs)
 {
+#ifdef HAS_LOGGING_MODULE
     UAVObjEvent ev;
     int32_t ret;
 
@@ -798,6 +799,14 @@ static int32_t setLoggingPeriod(
         ret = EventPeriodicQueueCreate(&ev, targetQueue, updatePeriodMs);
     }
     return ret;
+
+#else /* HAS_LOGGING_MODULE */
+    (void)channel;
+    (void)obj;
+    (void)updatePeriodMs;
+    return 0;
+
+#endif /* ifdef HAS_LOGGING_MODULE */
 }
 
 /**