From 412a4580144023be6459e31638830e82f00a5878 Mon Sep 17 00:00:00 2001 From: yellows8 Date: Wed, 21 Mar 2018 19:14:03 -0400 Subject: [PATCH] Added fs savedata example. --- fs/save/Makefile | 183 ++++++++++++++++++++++++++++++++++++++++++ fs/save/source/main.c | 103 ++++++++++++++++++++++++ 2 files changed, 286 insertions(+) create mode 100644 fs/save/Makefile create mode 100644 fs/save/source/main.c diff --git a/fs/save/Makefile b/fs/save/Makefile new file mode 100644 index 0000000..62b45e7 --- /dev/null +++ b/fs/save/Makefile @@ -0,0 +1,183 @@ +#--------------------------------------------------------------------------------- +.SUFFIXES: +#--------------------------------------------------------------------------------- + +ifeq ($(strip $(DEVKITPRO)),) +$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=/devkitpro") +endif + +TOPDIR ?= $(CURDIR) +include $(DEVKITPRO)/libnx/switch_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 +# EXEFS_SRC is the optional input directory containing data copied into exefs, if anything this normally should only contain "main.npdm". +# +# NO_ICON: if set to anything, do not use icon. +# NO_NACP: if set to anything, no .nacp file is generated. +# APP_TITLE is the name of the app stored in the .nacp file (Optional) +# APP_AUTHOR is the author of the app stored in the .nacp file (Optional) +# APP_VERSION is the version of the app stored in the .nacp file (Optional) +# APP_TITLEID is the titleID of the app stored in the .nacp file (Optional) +# ICON is the filename of the icon (.jpg), relative to the project folder. +# If not set, it attempts to use one of the following (in this order): +# - .jpg +# - icon.jpg +# - /default_icon.jpg +#--------------------------------------------------------------------------------- +TARGET := $(notdir $(CURDIR)) +BUILD := build +SOURCES := source +DATA := data +INCLUDES := include +EXEFS_SRC := exefs_src + +#--------------------------------------------------------------------------------- +# options for code generation +#--------------------------------------------------------------------------------- +ARCH := -march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIE + +CFLAGS := -g -Wall -O2 -ffunction-sections \ + $(ARCH) $(DEFINES) + +CFLAGS += $(INCLUDE) -D__SWITCH__ + +CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11 + +ASFLAGS := -g $(ARCH) +LDFLAGS = -specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map) + +LIBS := -lnx + +#--------------------------------------------------------------------------------- +# list of directories containing libraries, this must be the top level containing +# include and lib +#--------------------------------------------------------------------------------- +LIBDIRS := $(PORTLIBS) $(LIBNX) + + +#--------------------------------------------------------------------------------- +# no real need to edit anything past this point unless you need to add additional +# rules for different file extensions +#--------------------------------------------------------------------------------- +ifneq ($(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) + +export BUILD_EXEFS_SRC := $(TOPDIR)/$(EXEFS_SRC) + +ifeq ($(strip $(ICON)),) + icons := $(wildcard *.jpg) + ifneq (,$(findstring $(TARGET).jpg,$(icons))) + export APP_ICON := $(TOPDIR)/$(TARGET).jpg + else + ifneq (,$(findstring icon.jpg,$(icons))) + export APP_ICON := $(TOPDIR)/icon.jpg + endif + endif +else + export APP_ICON := $(TOPDIR)/$(ICON) +endif + +ifeq ($(strip $(NO_ICON)),) + export NROFLAGS += --icon=$(APP_ICON) +endif + +ifeq ($(strip $(NO_NACP)),) + export NROFLAGS += --nacp=$(CURDIR)/$(TARGET).nacp +endif + +ifneq ($(APP_TITLEID),) + export NACPFLAGS += --titleid=$(APP_TITLEID) +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).pfs0 $(TARGET).nso $(TARGET).nro $(TARGET).nacp $(TARGET).elf + + +#--------------------------------------------------------------------------------- +else +.PHONY: all + +DEPENDS := $(OFILES:.o=.d) + +#--------------------------------------------------------------------------------- +# main targets +#--------------------------------------------------------------------------------- +all : $(OUTPUT).pfs0 $(OUTPUT).nro + +$(OUTPUT).pfs0 : $(OUTPUT).nso + +$(OUTPUT).nso : $(OUTPUT).elf + +ifeq ($(strip $(NO_NACP)),) +$(OUTPUT).nro : $(OUTPUT).elf $(OUTPUT).nacp +else +$(OUTPUT).nro : $(OUTPUT).elf +endif + +$(OUTPUT).elf : $(OFILES) + +#--------------------------------------------------------------------------------- +# you need a rule like this for each extension you use as binary data +#--------------------------------------------------------------------------------- +%.bin.o : %.bin +#--------------------------------------------------------------------------------- + @echo $(notdir $<) + @$(bin2o) + +-include $(DEPENDS) + +#--------------------------------------------------------------------------------------- +endif +#--------------------------------------------------------------------------------------- diff --git a/fs/save/source/main.c b/fs/save/source/main.c new file mode 100644 index 0000000..d6b0c05 --- /dev/null +++ b/fs/save/source/main.c @@ -0,0 +1,103 @@ +#include +#include +#include + +#include + +//This example shows how to access savedata for (official) applications/games. + +int main(int argc, char **argv) +{ + Result rc=0; + int ret=0; + + DIR* dir; + struct dirent* ent; + + FsFileSystem tmpfs; + u128 userID=0; + bool account_selected=0; + u64 titleid=0x01007ef00011e000;//titleID of the save to mount, in this case BOTW. + + gfxInitDefault(); + consoleInit(NULL); + + //Get the userID for save mounting. To mount common savedata, use FS_SAVEDATA_USERID_COMMONSAVE. + rc = accountInitialize(); + if (R_FAILED(rc)) { + printf("accountInitialize() failed: 0x%x\n", rc); + } + + if (R_SUCCEEDED(rc)) { + rc = accountGetActiveUser(&userID, &account_selected); + accountExit(); + + if (R_FAILED(rc)) { + printf("accountGetActiveUser() failed: 0x%x\n", rc); + } + else if(!account_selected) { + printf("No user is currently selected.\n"); + rc = -1; + } + } + + if (R_SUCCEEDED(rc)) { + rc = fsMount_SaveData(&tmpfs, titleid, userID);//See also libnx fs.h. + if (R_FAILED(rc)) { + printf("fsMount_SaveData() failed: 0x%x\n", rc); + } + } + + if (R_SUCCEEDED(rc)) { + ret = fsdevMountDevice("save", tmpfs); + if (ret==-1) { + printf("fsdevMountDevice() failed.\n"); + rc = ret; + } + } + + //At this point you can use the mounted device with standard stdio. + //After modifying savedata, in order for the changes to take affect you must use: rc = fsdevCommitDevice("save"); + + if (R_SUCCEEDED(rc)) { + dir = opendir("save:/");//Open the "save:/" directory. + if(dir==NULL) + { + printf("Failed to open dir.\n"); + } + else + { + printf("Dir-listing for 'save:/':\n"); + while ((ent = readdir(dir))) + { + printf("d_name: %s\n", ent->d_name); + } + closedir(dir); + printf("Done.\n"); + } + + //When you are done with savedata, you can use the below. + //Any devices still mounted at app exit are automatically unmounted. + fsdevUnmountDevice("save"); + } + + // Main loop + while(appletMainLoop()) + { + //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(CONTROLLER_P1_AUTO); + + if (kDown & KEY_PLUS) break; // break in order to return to hbmenu + + gfxFlushBuffers(); + gfxSwapBuffers(); + gfxWaitForVsync(); + } + + gfxExit(); + return 0; +} +