mirror of
https://github.com/switchbrew/switch-examples.git
synced 2025-08-06 00:19:23 +02:00
averne
yellows8
parent
e0bfaf2329
commit
e654fde8f9
193
nfc/Makefile
Normal file
193
nfc/Makefile
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@ -0,0 +1,193 @@
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#---------------------------------------------------------------------------------
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.SUFFIXES:
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(DEVKITPRO)),)
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$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
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endif
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TOPDIR ?= $(CURDIR)
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include $(DEVKITPRO)/libnx/switch_rules
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#---------------------------------------------------------------------------------
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# TARGET is the name of the output
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# BUILD is the directory where object files & intermediate files will be placed
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# SOURCES is a list of directories containing source code
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# DATA is a list of directories containing data files
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# INCLUDES is a list of directories containing header files
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# EXEFS_SRC is the optional input directory containing data copied into exefs, if anything this normally should only contain "main.npdm".
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# ROMFS is the directory containing data to be added to RomFS, relative to the Makefile (Optional)
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#
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# NO_ICON: if set to anything, do not use icon.
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# NO_NACP: if set to anything, no .nacp file is generated.
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# APP_TITLE is the name of the app stored in the .nacp file (Optional)
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# APP_AUTHOR is the author of the app stored in the .nacp file (Optional)
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# APP_VERSION is the version of the app stored in the .nacp file (Optional)
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# APP_TITLEID is the titleID of the app stored in the .nacp file (Optional)
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# ICON is the filename of the icon (.jpg), relative to the project folder.
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# If not set, it attempts to use one of the following (in this order):
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# - <Project name>.jpg
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# - icon.jpg
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# - <libnx folder>/default_icon.jpg
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#---------------------------------------------------------------------------------
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TARGET := $(notdir $(CURDIR))
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BUILD := build
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SOURCES := source
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DATA := data
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INCLUDES := include
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EXEFS_SRC := exefs_src
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#ROMFS := romfs
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#---------------------------------------------------------------------------------
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# options for code generation
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#---------------------------------------------------------------------------------
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ARCH := -march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIE
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CFLAGS := -g -Wall -O2 -ffunction-sections \
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$(ARCH) $(DEFINES)
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CFLAGS += $(INCLUDE) -D__SWITCH__
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CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
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ASFLAGS := -g $(ARCH)
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LDFLAGS = -specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
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LIBS := -lnx
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#---------------------------------------------------------------------------------
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# list of directories containing libraries, this must be the top level containing
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# include and lib
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#---------------------------------------------------------------------------------
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LIBDIRS := $(PORTLIBS) $(LIBNX)
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#---------------------------------------------------------------------------------
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# no real need to edit anything past this point unless you need to add additional
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# rules for different file extensions
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#---------------------------------------------------------------------------------
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ifneq ($(BUILD),$(notdir $(CURDIR)))
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#---------------------------------------------------------------------------------
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export OUTPUT := $(CURDIR)/$(TARGET)
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export TOPDIR := $(CURDIR)
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export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
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$(foreach dir,$(DATA),$(CURDIR)/$(dir))
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export DEPSDIR := $(CURDIR)/$(BUILD)
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CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
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CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
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SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
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BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
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#---------------------------------------------------------------------------------
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# use CXX for linking C++ projects, CC for standard C
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(CPPFILES)),)
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#---------------------------------------------------------------------------------
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export LD := $(CC)
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#---------------------------------------------------------------------------------
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else
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#---------------------------------------------------------------------------------
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export LD := $(CXX)
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#---------------------------------------------------------------------------------
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endif
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#---------------------------------------------------------------------------------
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export OFILES_BIN := $(addsuffix .o,$(BINFILES))
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export OFILES_SRC := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
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export OFILES := $(OFILES_BIN) $(OFILES_SRC)
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export HFILES_BIN := $(addsuffix .h,$(subst .,_,$(BINFILES)))
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export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
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$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
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-I$(CURDIR)/$(BUILD)
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export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
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export BUILD_EXEFS_SRC := $(TOPDIR)/$(EXEFS_SRC)
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ifeq ($(strip $(ICON)),)
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icons := $(wildcard *.jpg)
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ifneq (,$(findstring $(TARGET).jpg,$(icons)))
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export APP_ICON := $(TOPDIR)/$(TARGET).jpg
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else
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ifneq (,$(findstring icon.jpg,$(icons)))
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export APP_ICON := $(TOPDIR)/icon.jpg
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endif
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endif
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else
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export APP_ICON := $(TOPDIR)/$(ICON)
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endif
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ifeq ($(strip $(NO_ICON)),)
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export NROFLAGS += --icon=$(APP_ICON)
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endif
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ifeq ($(strip $(NO_NACP)),)
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export NROFLAGS += --nacp=$(CURDIR)/$(TARGET).nacp
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endif
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ifneq ($(APP_TITLEID),)
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export NACPFLAGS += --titleid=$(APP_TITLEID)
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endif
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ifneq ($(ROMFS),)
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export NROFLAGS += --romfsdir=$(CURDIR)/$(ROMFS)
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endif
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.PHONY: $(BUILD) clean all
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#---------------------------------------------------------------------------------
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all: $(BUILD)
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$(BUILD):
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@[ -d $@ ] || mkdir -p $@
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@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
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#---------------------------------------------------------------------------------
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clean:
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@echo clean ...
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@rm -fr $(BUILD) $(TARGET).pfs0 $(TARGET).nso $(TARGET).nro $(TARGET).nacp $(TARGET).elf
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#---------------------------------------------------------------------------------
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else
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.PHONY: all
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DEPENDS := $(OFILES:.o=.d)
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#---------------------------------------------------------------------------------
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# main targets
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#---------------------------------------------------------------------------------
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all : $(OUTPUT).pfs0 $(OUTPUT).nro
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$(OUTPUT).pfs0 : $(OUTPUT).nso
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$(OUTPUT).nso : $(OUTPUT).elf
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ifeq ($(strip $(NO_NACP)),)
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$(OUTPUT).nro : $(OUTPUT).elf $(OUTPUT).nacp
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else
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$(OUTPUT).nro : $(OUTPUT).elf
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endif
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$(OUTPUT).elf : $(OFILES)
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$(OFILES_SRC) : $(HFILES_BIN)
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#---------------------------------------------------------------------------------
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# you need a rule like this for each extension you use as binary data
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#---------------------------------------------------------------------------------
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%.bin.o %_bin.h : %.bin
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#---------------------------------------------------------------------------------
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@echo $(notdir $<)
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@$(bin2o)
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-include $(DEPENDS)
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#---------------------------------------------------------------------------------------
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endif
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#---------------------------------------------------------------------------------------
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252
nfc/source/main.c
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252
nfc/source/main.c
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@ -0,0 +1,252 @@
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// Include the most common headers from the C standard library
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <malloc.h>
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// Include the main libnx system header, for Switch development
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#include <switch.h>
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// See also libnx nfc.h.
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// Indefinitely wait for an event to be signaled
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// Break when + is pressed, or if the application should quit (in this case, return value will be non-zero)
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Result eventWaitLoop(Event *event) {
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Result rc = 1;
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while (appletMainLoop()) {
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rc = eventWait(event, 0);
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hidScanInput();
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if (R_SUCCEEDED(rc) || (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_PLUS))
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break;
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consoleUpdate(NULL);
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}
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return rc;
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}
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// Print raw data as hexadecimal numbers.
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void print_hex(void *buf, size_t size) {
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for (size_t i=0; i<size; i++)
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printf("%02X", ((u8*)buf)[i]);
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printf("\n");
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consoleUpdate(NULL);
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}
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Result process_amiibo(u32 app_id) {
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Result rc = 0;
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// Get the handle of the first controller with NFC capabilities.
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HidControllerID controller = 0;
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if (R_SUCCEEDED(rc)) {
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u32 device_count;
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rc = nfpuListDevices(&device_count, &controller, 1);
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if (R_FAILED(rc))
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return rc;
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}
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// Get the activation event. This is signaled when a tag is detected.
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Event activate_event = {0};
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if (R_FAILED(nfpuAttachActivateEvent(controller, &activate_event)))
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goto fail_0;
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// Get the deactivation event. This is signaled when a tag is removed.
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Event deactivate_event = {0};
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if (R_FAILED(nfpuAttachDeactivateEvent(controller, &deactivate_event)))
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goto fail_1;
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NfpuState state = 0;
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if (R_SUCCEEDED(rc)) {
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rc = nfpuGetState(&state);
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if (R_SUCCEEDED(rc) && state == NfpuState_NonInitialized) {
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printf("Bad nfpu state: %u\n", state);
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consoleUpdate(NULL);
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rc = -1;
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}
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}
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NfpuDeviceState device_state = 0;
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if (R_SUCCEEDED(rc)) {
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rc = nfpuGetDeviceState(controller, &device_state);
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if (R_SUCCEEDED(rc) && device_state > NfpuDeviceState_TagFound) {
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printf("Bad nfpu device state: %u\n", device_state);
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consoleUpdate(NULL);
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rc = -1;
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}
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}
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if (R_FAILED(rc))
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goto fail_1;
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// Start the detection of tags.
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rc = nfpuStartDetection(controller);
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if (R_SUCCEEDED(rc)) {
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printf("Scanning for a tag...\n");
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consoleUpdate(NULL);
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}
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// Wait until a tag is detected.
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// You could also wait until nfpuGetDeviceState returns NfpuDeviceState_TagFound.
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if (R_SUCCEEDED(rc)) {
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rc = eventWaitLoop(&activate_event);
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if (R_SUCCEEDED(rc)) {
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printf("A tag was detected, please do not remove it from the NFC spot.\n");
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consoleUpdate(NULL);
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}
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}
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// If a tag was successfully detected, load it into memory.
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if (R_SUCCEEDED(rc))
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rc = nfpuMount(controller, NfpuDeviceType_Amiibo, NfpuMountTarget_All);
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// Retrieve the model info data, which contains the amiibo id.
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if (R_SUCCEEDED(rc)) {
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NfpuModelInfo model_info = {0};
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rc = nfpuGetModelInfo(controller, &model_info);
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if (R_SUCCEEDED(rc)) {
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printf("Amiibo ID: ");
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print_hex(model_info.amiibo_id, 8);
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}
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}
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// Retrieve the common info data, which contains the application area size.
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u32 app_area_size = 0;
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if (R_SUCCEEDED(rc)) {
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NfpuCommonInfo common_info = {0};
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rc = nfpuGetCommonInfo(controller, &common_info);
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if (R_SUCCEEDED(rc))
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app_area_size = common_info.application_area_size;
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}
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u32 npad_id = 0;
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if (R_SUCCEEDED(rc)) {
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rc = nfpuOpenApplicationArea(controller, app_id, &npad_id);
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if (rc == 0x10073) // 2115-0128
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printf("This tag contains no application data.\n");
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if (rc == 0x13073) // 2115-0152
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printf("This tag contains application data associated with an ID other than 0x%x.\n", app_id);
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}
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u8 app_area[0xd8] = {0}; // Maximum size of the application area.
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if (R_SUCCEEDED(rc)) {
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rc = nfpuGetApplicationArea(controller, app_area, app_area_size);
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if (R_SUCCEEDED(rc)) {
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printf("App area:\n");
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print_hex(app_area, app_area_size);
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}
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}
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// Wait until the tag is removed.
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// You could also wait until nfpuGetDeviceState returns NfpuDeviceState_TagRemoved.
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if (R_SUCCEEDED(rc)) {
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printf("You can now remove the tag.\n");
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consoleUpdate(NULL);
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eventWaitLoop(&deactivate_event);
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}
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// Unmount the tag.
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nfpuUnmount(controller);
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// Stop the detection of tags.
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nfpuStopDetection(controller);
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// Cleanup.
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fail_1:
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eventClose(&deactivate_event);
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fail_0:
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eventClose(&activate_event);
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return rc;
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}
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// Main program entrypoint
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int main(int argc, char* argv[])
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{
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Result rc = 0;
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// Hardcoded for Super Smash Bros. Ultimate.
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// See also: https://switchbrew.org/wiki/NFC_services#Application_IDs
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u32 app_id = 0x34f80200;
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// This example uses a text console, as a simple way to output text to the screen.
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// If you want to write a software-rendered graphics application,
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// take a look at the graphics/simplegfx example, which uses the libnx Framebuffer API instead.
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// If on the other hand you want to write an OpenGL based application,
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// take a look at the graphics/opengl set of examples, which uses EGL instead.
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consoleInit(NULL);
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printf("NFC example program.\n");
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printf("Scan an amiibo tag to display information about it.\n\n");
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consoleUpdate(NULL);
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// Initialize the nfp:user and nfc:user services.
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rc = nfpuInitialize(NULL);
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// Check if NFC is enabled. If not, wait until it is.
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if (R_SUCCEEDED(rc)) {
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bool nfc_enabled = false;
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rc = nfpuIsNfcEnabled(&nfc_enabled);
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if (R_SUCCEEDED(rc) && !nfc_enabled) {
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// Get the availability change event. This is signaled when a change in NFC availability happens.
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Event availability_change_event = {0};
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rc = nfpuAttachAvailabilityChangeEvent(&availability_change_event);
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// Wait for a change in availability.
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if (R_SUCCEEDED(rc)) {
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printf("NFC is disabled. Please turn off plane mode via the quick settings to continue.\n");
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consoleUpdate(NULL);
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rc = eventWaitLoop(&availability_change_event);
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}
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eventClose(&availability_change_event);
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}
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}
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if (R_FAILED(rc))
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goto fail_main;
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printf("Press A to process an amiibo.\n");
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printf("Press + at any time to exit.\n");
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printf("Waiting for user input...\n\n");
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consoleUpdate(NULL);
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// Main loop
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while (appletMainLoop()) {
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// Scan all the inputs. This should be done once for each frame
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hidScanInput();
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// hidKeysDown returns information about which buttons have been
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// just pressed in this frame compared to the previous one
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if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_A) {
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rc = process_amiibo(app_id);
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// If an error happened, print it.
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if (R_FAILED(rc))
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printf("Error: 0x%x.\n", rc);
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printf("Waiting for user input...\n\n");
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}
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// If + was pressed to exit an eventWaitLoop(), we also catch it here.
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if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_PLUS)
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break; // break in order to return to hbmenu
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// Update the console, sending a new frame to the display
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consoleUpdate(NULL);
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}
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fail_main:
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nfpuExit();
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// Deinitialize and clean up resources used by the console (important!)
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consoleExit(NULL);
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return 0;
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}
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Block a user