FL-78 Microsd test application (#230)

* variable cluster size, label info functions for targets
* app record
* init, mount, get label, get sn, get space
* enable exfat
* more stack for the stack god
* remove c app and add cpp app
* remove MULTI_PARTITION
* fix 4gb bug
* update app to new template lib, add animated waiting
* tiny buffer configuration
* write speed benchmark
* fnv1a hash library
* make DEFAULT_STACK_SIZE and MAX_TASK_COUNT defined per target
* fully functional sd card app
* build sd test app to release firmware
* cpp, not c
* light up red led if error
* flags for c++
* linking with g++
* suppres snprintf warning
* move format work area to heap

Co-authored-by: coreglitch <mail@s3f.ru>

make/rules.mk

@@ -31,7 +31,7 @@ all: $(OBJ_DIR)/$(PROJECT).elf $(OBJ_DIR)/$(PROJECT).hex $(OBJ_DIR)/$(PROJECT).b
 
 $(OBJ_DIR)/$(PROJECT).elf: $(OBJECTS)
 	@echo "\tLD\t" $@
-	@$(CC) $(LDFLAGS) $(OBJECTS) -o $@
+	@$(LD) $(LDFLAGS) $(OBJECTS) -o $@
 	@$(SZ) $@
 
 $(OBJ_DIR)/$(PROJECT).hex: $(OBJ_DIR)/$(PROJECT).elf

make/toolchain.mk

@@ -8,6 +8,7 @@ endif
 
 CC	= $(PREFIX)gcc
 CPP	= $(PREFIX)g++
+LD	= $(PREFIX)g++
 AS	= $(PREFIX)gcc -x assembler-with-cpp
 CP	= $(PREFIX)objcopy
 SZ	= $(PREFIX)size