# HG changeset patch
# User Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
# Date 1424623292 -3600
# Node ID 4e831ec746e42fd6697ff6b296e04d05472e2336

Hello world!

diff --git a/Makefile b/Makefile
new file mode 100644
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,170 @@
+#---------------------------------------------------------------------------------
+.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=hard
+
+CFLAGS	:=	-g -Wall -O2 -std=gnu11 -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
+#---------------------------------------------------------------------------------------
diff --git a/source/main.c b/source/main.c
new file mode 100644
--- /dev/null
+++ b/source/main.c
@@ -0,0 +1,226 @@
+/*
+	Circle Pad example made by Aurelio Mannara for ctrulib
+	Please refer to https://github.com/smealum/ctrulib/blob/master/libctru/include/3ds/services/hid.h for more information
+	This code was modified for the last time on: 12/13/2014 2:20 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 <arpa/inet.h>
+#include <assert.h>
+#include <malloc.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+
+static u32 *SOC_buffer = NULL;
+
+int create_socket(int domain, int type, struct sockaddr *addr)
+{
+	int fd = socket(domain, type, 0);
+	if (fd < 0) {
+		printf("socket() failed.\n");
+		return -1;
+	}
+
+	if (addr) {
+		if (connect(fd, addr, sizeof(*addr)) < 0) {
+			printf("connect() failed.\n");
+			return -1;
+		}
+	}
+
+	return fd;
+}
+
+struct sockaddr* get_sockaddr_from_hostname(const char *hostname, int port)
+{
+	struct hostent *server = gethostbyname(hostname);
+	if (!server) {
+		printf("gethostbyname() failed.\n");
+		return NULL;
+	}
+
+	struct sockaddr_in *addr = calloc(1, sizeof(struct sockaddr_in));
+	if (!addr) {
+		printf("calloc() failed.\n");
+		return NULL;
+	}
+
+	//memset(&addr, 0, sizeof(struct sockaddr_in));
+	addr->sin_family = AF_INET;
+	addr->sin_port = htons(port);
+	memcpy(&addr->sin_addr.s_addr, server->h_addr_list[0], server->h_length);
+
+	return (struct sockaddr*) addr;
+}
+
+struct sockaddr* get_sockaddr_from_ip(const char *hostname, int port)
+{
+	struct sockaddr_in *addr = calloc(1, sizeof(struct sockaddr_in));
+	if (!addr) {
+		printf("calloc() failed.\n");
+		return NULL;
+	}
+
+	//memset(&addr, 0, sizeof(struct sockaddr_in));
+	addr->sin_family = AF_INET;
+	addr->sin_port = htons(port);
+	addr->sin_addr.s_addr = inet_addr(hostname);
+
+	return (struct sockaddr*) addr;
+}
+
+struct network_t {
+	int tcp_fd;
+	int udp_fd;
+	struct sockaddr *addr;
+	int addr_size;
+};
+
+struct network_t *networkInit(const char *hostname, int port)
+{
+	const unsigned SOC_ALIGN       = 0x1000;
+	const unsigned SOC_BUFFERSIZE  = 0x100000;
+
+	SOC_buffer = (u32*)calloc(SOC_ALIGN, SOC_BUFFERSIZE);
+	if (!SOC_buffer) {
+		printf("calloc() failed.\n");
+		return NULL;
+	}
+
+	unsigned initialized = SOC_Initialize(SOC_buffer, SOC_BUFFERSIZE);
+	if (initialized) {
+		printf("SOC_Initialize() failed.\n");
+		return NULL;
+	}
+
+	//struct sockaddr *addr = get_sockaddr_from_hostname(hostname, port);
+	struct sockaddr *addr = get_sockaddr_from_ip(hostname, port);
+	if (!addr)
+		return NULL;
+
+	// TODO: IPv6
+	int domain = AF_INET;
+
+	struct network_t *n = malloc(sizeof(struct network_t));
+	//n->tcp_fd = create_socket(domain, SOCK_STREAM, addr);
+	n->udp_fd = create_socket(domain, SOCK_DGRAM, NULL);
+	n->addr = addr;
+	n->addr_size = sizeof(struct sockaddr_in);
+	return n;
+}
+
+int sendKeys(struct network_t *n, u32 keys)
+{
+	const char *msg = (const char*) &keys;
+	int msglen = sizeof(keys);
+	return sendto(n->udp_fd, msg, msglen, 0, n->addr, n->addr_size);
+}
+
+int main(int argc, char **argv)
+{
+	//Matrix containing the name of each key. Useful for printing when a key is pressed
+	char keysNames[32][32] = {
+		"KEY_A", "KEY_B", "KEY_SELECT", "KEY_START",
+		"KEY_DRIGHT", "KEY_DLEFT", "KEY_DUP", "KEY_DDOWN",
+		"KEY_R", "KEY_L", "KEY_X", "KEY_Y",
+		"", "", "KEY_ZL", "KEY_ZR",
+		"", "", "", "",
+		"KEY_TOUCH", "", "", "",
+		"KEY_CSTICK_RIGHT", "KEY_CSTICK_LEFT", "KEY_CSTICK_UP", "KEY_CSTICK_DOWN",
+		"KEY_CPAD_RIGHT", "KEY_CPAD_LEFT", "KEY_CPAD_UP", "KEY_CPAD_DOWN"
+	};
+
+	// Initialize services
+	gfxInitDefault();
+
+	//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);
+
+	u32 old_keys = 0; //In these variables there will be information about keys detected in the previous frame
+
+	// Initialize the network
+	struct network_t *n = networkInit("192.168.0.13", 16150);
+	if (!n) {
+		printf("HORROR!");
+		fflush(stdout);
+		gfxFlushBuffers();
+		gfxSwapBuffers();
+		for(;;);
+	}
+
+	printf("\x1b[0;0HPress Start to exit.");
+	printf("\x1b[1;0HCirclePad position:");
+
+	// Main loop
+	while (aptMainLoop())
+	{
+		//Scan all the inputs. This should be done once for each frame
+		hidScanInput();
+
+		//hidKeysHeld returns information about which buttons have are held down in this frame
+		u32 keys = hidKeysHeld();
+
+		//if (keys & KEY_START) break; // break in order to return to hbmenu
+
+		//Do the keys printing only if keys have changed
+		if (keys != old_keys)
+		{
+			//Clear console
+			consoleClear();
+
+			//These two lines must be rewritten because we cleared the whole console
+			printf("\x1b[0;0HPress Start to exit.");
+			printf("\x1b[1;0HCirclePad position:");
+
+			printf("\x1b[3;0H"); //Move the cursor to the fourth row because on the third one we'll write the circle pad position
+
+			//Check if some of the keys are down, held or up
+			for (int i = 0; i < 32; i++)
+			{
+				if (keys & BIT(i)) printf("%s\n", keysNames[i]);
+			}
+
+			if (sendKeys(n, keys) < 0) {
+				perror("sendKeys");
+				printf("HORROR! sendKeys()!");
+				fflush(stdout);
+				gfxFlushBuffers();
+				gfxSwapBuffers();
+				for(;;);
+			}
+		}
+
+		//Set keys old values for the next frame
+		old_keys = keys;
+
+		circlePosition pos;
+
+		//Read the CirclePad position
+		hidCircleRead(&pos);
+
+		//Print the CirclePad position
+		printf("\x1b[2;0H%04d; %04d", pos.dx, pos.dy);
+
+		// Flush and swap framebuffers
+		gfxFlushBuffers();
+		gfxSwapBuffers();
+
+		//Wait for VBlank
+		gspWaitForVBlank();
+	}
+
+	// Exit services
+	gfxExit();
+	return 0;
+}