diff --git a/audio/playtone/Makefile b/audio/playtone/Makefile new file mode 100644 index 0000000..069b24d --- /dev/null +++ b/audio/playtone/Makefile @@ -0,0 +1,184 @@ +#--------------------------------------------------------------------------------- +.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 -mtp=soft -fPIE + +CFLAGS := -g -Wall -O2 \ + -ffast-math \ + $(ARCH) $(DEFINES) + +CFLAGS += $(INCLUDE) -DSWITCH + +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 -lm + +#--------------------------------------------------------------------------------- +# 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/audio/playtone/source/main.c b/audio/playtone/source/main.c new file mode 100644 index 0000000..d2a1ebc --- /dev/null +++ b/audio/playtone/source/main.c @@ -0,0 +1,192 @@ +#include +#include +#include + +#include + +#define SAMPLERATE 48000 +#define SAMPLESPERBUF (SAMPLERATE / 10) + +void fill_audio_buffer(void* audio_buffer, size_t offset, size_t size, int frequency) { + u32* dest = (u32*) audio_buffer; + + for (int i = 0; i < size; i++) { + // This is a simple sine wave, with a frequency of `frequency` Hz, and an amplitude 30% of maximum. + s16 sample = 0.3 * 0x7FFF * sin(frequency * (2 * M_PI) * (offset + i) / SAMPLERATE); + + // Stereo samples are interleaved: left and right channels. + dest[i] = (sample << 16) | (sample & 0xffff); + } +} + +int main(int argc, char **argv) +{ + Result rc = 0; + Handle event = 0; + AudioOutBuffer source_buffer; + AudioOutBuffer released_buffer; + + int notefreq[] = { + 220, + 440, 880, 1760, 3520, 7040, + 14080, + 7040, 3520, 1760, 880, 440 + }; + + u32 raw_data[SAMPLESPERBUF * 2]; + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[4]); + + gfxInitDefault(); + + // Initialize console. Using NULL as the second argument tells the console library to use the internal console structure as current one. + consoleInit(NULL); + + rc = audoutInitialize(); + printf("audoutInitialize() returned 0x%x\n", rc); + + if (R_SUCCEEDED(rc)) + { + rc = audoutRegisterBufferEvent(&event); + printf("audoutRegisterBufferEvent() returned 0x%x\n", rc); + } + + if (R_SUCCEEDED(rc)) + { + source_buffer.next = 0; + source_buffer.buffer = raw_data; + source_buffer.buffer_size = sizeof(raw_data); + source_buffer.data_size = SAMPLESPERBUF * 2; + source_buffer.data_offset = 0; + + rc = audoutAppendAudioOutBuffer(&source_buffer); + printf("audoutAppendAudioOutBuffer() returned 0x%x\n", rc); + } + + if (R_SUCCEEDED(rc)) + { + rc = audoutStartAudioOut(); + printf("audoutStartAudioOut() returned 0x%x\n", rc); + } + + bool play_tone = false; + printf("Press A, B, Y, X, Left, Up, Right, Down, L, R, ZL or ZR to play a different tone.\n"); + + while (appletMainLoop()) + { + //Scan all the inputs. This should be done once for each frame + hidScanInput(); + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_PLUS) break; + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_A) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[0]); + play_tone = true; + } + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_B) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[1]); + play_tone = true; + } + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_Y) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[2]); + play_tone = true; + } + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_X) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[3]); + play_tone = true; + } + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_DLEFT) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[4]); + play_tone = true; + } + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_DUP) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[5]); + play_tone = true; + } + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_DRIGHT) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[6]); + play_tone = true; + } + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_DDOWN) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[7]); + play_tone = true; + } + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_L) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[8]); + play_tone = true; + } + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_R) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[9]); + play_tone = true; + } + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_ZL) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[10]); + play_tone = true; + } + + if (hidKeysDown(CONTROLLER_P1_AUTO) & KEY_ZR) + { + fill_audio_buffer(raw_data, 0, SAMPLESPERBUF * 2, notefreq[11]); + play_tone = true; + } + + if (play_tone) + { + u64 time_now = svcGetSystemTick(); + while ((svcGetSystemTick() - time_now) < 1250000) + { + s32 index; + Result do_wait = svcWaitSynchronization(&index, &event, 1, 10000000); + + if (R_SUCCEEDED(do_wait)) + { + svcResetSignal(event); + + u32 released_count = 0; + Result do_release = audoutGetReleasedAudioOutBuffer(&released_buffer, &released_count); + + while (R_SUCCEEDED(do_release) && (released_count > 0)) + { + do_release = audoutGetReleasedAudioOutBuffer(&released_buffer, &released_count); + audoutAppendAudioOutBuffer(&source_buffer); + } + } + } + + play_tone = false; + } + + gfxFlushBuffers(); + gfxSwapBuffers(); + gfxWaitForVsync(); + } + + rc = audoutStopAudioOut(); + printf("audoutStopAudioOut() returned 0x%x\n", rc); + + audoutExit(); + + gfxExit(); + return 0; +} +