diff --git a/nfc/Makefile b/nfc/Makefile new file mode 100644 index 0000000..47ac198 --- /dev/null +++ b/nfc/Makefile @@ -0,0 +1,193 @@ +#--------------------------------------------------------------------------------- +.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". +# ROMFS is the directory containing data to be added to RomFS, relative to the Makefile (Optional) +# +# 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 +#ROMFS := romfs + +#--------------------------------------------------------------------------------- +# 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 + +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_BIN := $(addsuffix .o,$(BINFILES)) +export OFILES_SRC := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o) +export OFILES := $(OFILES_BIN) $(OFILES_SRC) +export HFILES_BIN := $(addsuffix .h,$(subst .,_,$(BINFILES))) + +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=$(APP_TITLEID) +endif + +ifneq ($(ROMFS),) + export NROFLAGS += --romfsdir=$(CURDIR)/$(ROMFS) +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 : $(OFILES) + +$(OFILES_SRC) : $(HFILES_BIN) + +#--------------------------------------------------------------------------------- +# you need a rule like this for each extension you use as binary data +#--------------------------------------------------------------------------------- +%.bin.o %_bin.h : %.bin +#--------------------------------------------------------------------------------- + @echo $(notdir $<) + @$(bin2o) + +-include $(DEPENDS) + +#--------------------------------------------------------------------------------------- +endif +#--------------------------------------------------------------------------------------- diff --git a/nfc/source/main.c b/nfc/source/main.c new file mode 100644 index 0000000..17079e4 --- /dev/null +++ b/nfc/source/main.c @@ -0,0 +1,252 @@ +// Include the most common headers from the C standard library +#include +#include +#include +#include + +// Include the main libnx system header, for Switch development +#include + +// See also libnx nfc.h. + +// Indefinitely wait for an event to be signaled +// Break when + is pressed, or if the application should quit (in this case, return value will be non-zero) +Result eventWaitLoop(Event *event) { + Result rc = 1; + while (appletMainLoop()) { + rc = eventWait(event, 0); + hidScanInput(); + if (R_SUCCEEDED(rc) || (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_PLUS)) + break; + consoleUpdate(NULL); + } + return rc; +} + +// Print raw data as hexadecimal numbers. +void print_hex(void *buf, size_t size) { + for (size_t i=0; i NfpuDeviceState_TagFound) { + printf("Bad nfpu device state: %u\n", device_state); + consoleUpdate(NULL); + rc = -1; + } + } + + if (R_FAILED(rc)) + goto fail_1; + + // Start the detection of tags. + rc = nfpuStartDetection(controller); + if (R_SUCCEEDED(rc)) { + printf("Scanning for a tag...\n"); + consoleUpdate(NULL); + } + + // Wait until a tag is detected. + // You could also wait until nfpuGetDeviceState returns NfpuDeviceState_TagFound. + if (R_SUCCEEDED(rc)) { + rc = eventWaitLoop(&activate_event); + + if (R_SUCCEEDED(rc)) { + printf("A tag was detected, please do not remove it from the NFC spot.\n"); + consoleUpdate(NULL); + } + } + + // If a tag was successfully detected, load it into memory. + if (R_SUCCEEDED(rc)) + rc = nfpuMount(controller, NfpuDeviceType_Amiibo, NfpuMountTarget_All); + + // Retrieve the model info data, which contains the amiibo id. + if (R_SUCCEEDED(rc)) { + NfpuModelInfo model_info = {0}; + rc = nfpuGetModelInfo(controller, &model_info); + + if (R_SUCCEEDED(rc)) { + printf("Amiibo ID: "); + print_hex(model_info.amiibo_id, 8); + } + } + + // Retrieve the common info data, which contains the application area size. + u32 app_area_size = 0; + if (R_SUCCEEDED(rc)) { + NfpuCommonInfo common_info = {0}; + rc = nfpuGetCommonInfo(controller, &common_info); + + if (R_SUCCEEDED(rc)) + app_area_size = common_info.application_area_size; + } + + u32 npad_id = 0; + if (R_SUCCEEDED(rc)) { + rc = nfpuOpenApplicationArea(controller, app_id, &npad_id); + + if (rc == 0x10073) // 2115-0128 + printf("This tag contains no application data.\n"); + if (rc == 0x13073) // 2115-0152 + printf("This tag contains application data associated with an ID other than 0x%x.\n", app_id); + } + + u8 app_area[0xd8] = {0}; // Maximum size of the application area. + if (R_SUCCEEDED(rc)) { + rc = nfpuGetApplicationArea(controller, app_area, app_area_size); + + if (R_SUCCEEDED(rc)) { + printf("App area:\n"); + print_hex(app_area, app_area_size); + } + } + + // Wait until the tag is removed. + // You could also wait until nfpuGetDeviceState returns NfpuDeviceState_TagRemoved. + if (R_SUCCEEDED(rc)) { + printf("You can now remove the tag.\n"); + consoleUpdate(NULL); + eventWaitLoop(&deactivate_event); + } + + // Unmount the tag. + nfpuUnmount(controller); + + // Stop the detection of tags. + nfpuStopDetection(controller); + + // Cleanup. +fail_1: + eventClose(&deactivate_event); +fail_0: + eventClose(&activate_event); + + return rc; +} + +// Main program entrypoint +int main(int argc, char* argv[]) +{ + Result rc = 0; + + // Hardcoded for Super Smash Bros. Ultimate. + // See also: https://switchbrew.org/wiki/NFC_services#Application_IDs + u32 app_id = 0x34f80200; + + // This example uses a text console, as a simple way to output text to the screen. + // If you want to write a software-rendered graphics application, + // take a look at the graphics/simplegfx example, which uses the libnx Framebuffer API instead. + // If on the other hand you want to write an OpenGL based application, + // take a look at the graphics/opengl set of examples, which uses EGL instead. + consoleInit(NULL); + + printf("NFC example program.\n"); + printf("Scan an amiibo tag to display information about it.\n\n"); + consoleUpdate(NULL); + + // Initialize the nfp:user and nfc:user services. + rc = nfpuInitialize(NULL); + + // Check if NFC is enabled. If not, wait until it is. + if (R_SUCCEEDED(rc)) { + bool nfc_enabled = false; + rc = nfpuIsNfcEnabled(&nfc_enabled); + + if (R_SUCCEEDED(rc) && !nfc_enabled) { + // Get the availability change event. This is signaled when a change in NFC availability happens. + Event availability_change_event = {0}; + rc = nfpuAttachAvailabilityChangeEvent(&availability_change_event); + + // Wait for a change in availability. + if (R_SUCCEEDED(rc)) { + printf("NFC is disabled. Please turn off plane mode via the quick settings to continue.\n"); + consoleUpdate(NULL); + rc = eventWaitLoop(&availability_change_event); + } + + eventClose(&availability_change_event); + } + } + + if (R_FAILED(rc)) + goto fail_main; + + printf("Press A to process an amiibo.\n"); + printf("Press + at any time to exit.\n"); + printf("Waiting for user input...\n\n"); + consoleUpdate(NULL); + + // 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 in this frame compared to the previous one + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_A) { + rc = process_amiibo(app_id); + + // If an error happened, print it. + if (R_FAILED(rc)) + printf("Error: 0x%x.\n", rc); + + printf("Waiting for user input...\n\n"); + } + + // If + was pressed to exit an eventWaitLoop(), we also catch it here. + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_PLUS) + break; // break in order to return to hbmenu + + // Update the console, sending a new frame to the display + consoleUpdate(NULL); + } + +fail_main: + nfpuExit(); + + // Deinitialize and clean up resources used by the console (important!) + consoleExit(NULL); + + return 0; +}