--- /dev/null
+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
+
+ifeq ($(strip $(DEVKITARM)),)
+$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
+endif
+
+TOPDIR ?= $(CURDIR)
+include $(DEVKITARM)/3ds_rules
+
+#---------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# DATA is a list of directories containing data files
+# INCLUDES is a list of directories containing header files
+#
+# NO_SMDH: if set to anything, no SMDH file is generated.
+# APP_TITLE is the name of the app stored in the SMDH file (Optional)
+# APP_DESCRIPTION is the description of the app stored in the SMDH file (Optional)
+# APP_AUTHOR is the author of the app stored in the SMDH file (Optional)
+# ICON is the filename of the icon (.png), relative to the project folder.
+# If not set, it attempts to use one of the following (in this order):
+# - <Project name>.png
+# - icon.png
+# - <libctru folder>/default_icon.png
+#---------------------------------------------------------------------------------
+TARGET := $(notdir $(CURDIR))
+BUILD := build
+SOURCES := source
+DATA := data
+INCLUDES := include
+
+#---------------------------------------------------------------------------------
+# options for code generation
+#---------------------------------------------------------------------------------
+ARCH := -march=armv6k -mtune=mpcore -mfloat-abi=softfp
+
+CFLAGS := -g -Wall -O2 -mword-relocations \
+ -fomit-frame-pointer -ffast-math \
+ $(ARCH)
+
+CFLAGS += $(INCLUDE) -DARM11 -D_3DS
+
+CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
+
+ASFLAGS := -g $(ARCH)
+LDFLAGS = -specs=3dsx.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
+
+LIBS := -lctru -lm
+
+#---------------------------------------------------------------------------------
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS := $(CTRULIB)
+
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT := $(CURDIR)/$(TARGET)
+export TOPDIR := $(CURDIR)
+
+export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+ $(foreach dir,$(DATA),$(CURDIR)/$(dir))
+
+export DEPSDIR := $(CURDIR)/$(BUILD)
+
+CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+ export LD := $(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+ export LD := $(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES := $(addsuffix .o,$(BINFILES)) \
+ $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+
+export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
+ $(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+ -I$(CURDIR)/$(BUILD)
+
+export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+ifeq ($(strip $(ICON)),)
+ icons := $(wildcard *.png)
+ ifneq (,$(findstring $(TARGET).png,$(icons)))
+ export APP_ICON := $(TOPDIR)/$(TARGET).png
+ else
+ ifneq (,$(findstring icon.png,$(icons)))
+ export APP_ICON := $(TOPDIR)/icon.png
+ endif
+ endif
+else
+ export APP_ICON := $(TOPDIR)/$(ICON)
+endif
+
+.PHONY: $(BUILD) clean all
+
+#---------------------------------------------------------------------------------
+all: $(BUILD)
+
+$(BUILD):
+ @[ -d $@ ] || mkdir -p $@
+ @make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
+clean:
+ @echo clean ...
+ @rm -fr $(BUILD) $(TARGET).3dsx $(OUTPUT).smdh $(TARGET).elf
+
+
+#---------------------------------------------------------------------------------
+else
+
+DEPENDS := $(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(NO_SMDH)),)
+.PHONY: all
+all : $(OUTPUT).3dsx $(OUTPUT).smdh
+endif
+$(OUTPUT).3dsx : $(OUTPUT).elf
+$(OUTPUT).elf : $(OFILES)
+
+#---------------------------------------------------------------------------------
+# you need a rule like this for each extension you use as binary data
+#---------------------------------------------------------------------------------
+%.bin.o : %.bin
+#---------------------------------------------------------------------------------
+ @echo $(notdir $<)
+ @$(bin2o)
+
+# WARNING: This is not the right way to do this! TODO: Do it right!
+#---------------------------------------------------------------------------------
+%.vsh.o : %.vsh
+#---------------------------------------------------------------------------------
+ @echo $(notdir $<)
+ @python $(AEMSTRO)/aemstro_as.py $< ../$(notdir $<).shbin
+ @bin2s ../$(notdir $<).shbin | $(PREFIX)as -o $@
+ @echo "extern const u8" `(echo $(notdir $<).shbin | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`"_end[];" > `(echo $(notdir $<).shbin | tr . _)`.h
+ @echo "extern const u8" `(echo $(notdir $<).shbin | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`"[];" >> `(echo $(notdir $<).shbin | tr . _)`.h
+ @echo "extern const u32" `(echo $(notdir $<).shbin | sed -e 's/^\([0-9]\)/_\1/' | tr . _)`_size";" >> `(echo $(notdir $<).shbin | tr . _)`.h
+ @rm ../$(notdir $<).shbin
+
+-include $(DEPENDS)
+
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------
--- /dev/null
+/*
+ RTC example made by Aurelio Mannara for ctrulib
+ This code was modified for the last time on: 12/13/2014 2:45 UTC+1
+
+ This wouldn't be possible without the amazing work done by:
+ -Smealum
+ -fincs
+ -WinterMute
+ -yellows8
+ -plutoo
+ -mtheall
+ -Many others who worked on 3DS and I'm surely forgetting about
+*/
+
+#include <3ds.h>
+#include <stdio.h>
+
+#define SECONDS_IN_DAY 86400
+#define SECONDS_IN_HOUR 3600
+#define SECONDS_IN_MINUTE 60
+
+int main(int argc, char **argv)
+{
+ // Initialize services
+ srvInit();
+ aptInit();
+ gfxInit();
+ hidInit(NULL);
+
+ //Initialize console on top screen. Using NULL as the second argument tells the console library to use the internal console structure as current one
+ consoleInit(GFX_TOP, NULL);
+
+ printf("\x1b[29;15HPress Start to exit.");
+
+ // Main loop
+ while (aptMainLoop())
+ {
+ //Scan all the inputs. This should be done once for each frame
+ hidScanInput();
+
+ //hidKeysDown returns information about which buttons have been just pressed (and they weren't in the previous frame)
+ u32 kDown = hidKeysDown();
+
+ if (kDown & KEY_START) break; // break in order to return to hbmenu
+
+ //Print current time
+ u64 timeInSeconds = osGetTime() / 1000;
+ u64 dayTime = timeInSeconds % SECONDS_IN_DAY;
+ u8 hour = dayTime / SECONDS_IN_HOUR;
+ u8 min = (dayTime % SECONDS_IN_HOUR) / SECONDS_IN_MINUTE;
+ u8 seconds = dayTime % SECONDS_IN_MINUTE;
+
+ printf("\x1b[0;0H%02d:%02d:%02d", hour, min, seconds);
+
+ // Flush and swap framebuffers
+ gfxFlushBuffers();
+ gfxSwapBuffers();
+
+ //Wait for VBlank
+ gspWaitForVBlank();
+ }
+
+ // Exit services
+ gfxExit();
+ hidExit();
+ aptExit();
+ srvExit();
+ return 0;
+}