Wii/Gamecube DI Inquiry hardware test

.gitignore

build_gc/
build_wii/
*.elf

InquiryTest.c

#include <stdbool.h>
#include <stdio.h>
#include <gccore.h>

#ifdef HW_RVL
#include <wiiuse/wpad.h>
#endif

static u32 buf[8] __attribute__((aligned(32)));

static void *xfb = NULL;
static GXRModeObj *rmode = NULL;

#ifdef HW_RVL
volatile u32* DI_REGS = (volatile u32*)0xCD806000;
#else
volatile u32* DI_REGS = (volatile u32*)0xCC006000;
#endif

#define DISR DI_REGS[0]
#define DICVR DI_REGS[1]
#define DICMDBUF0 DI_REGS[2]
#define DICMDBUF1 DI_REGS[3]
#define DICMDBUF2 DI_REGS[4]
#define DIMAR DI_REGS[5]
#define DILENGTH DI_REGS[6]
#define DICR DI_REGS[7]
#define DIIMMBUF DI_REGS[8]
#define DICFG DI_REGS[9]

void Initialise(void) {
	VIDEO_Init();
	PAD_Init();
#ifdef HW_RVL
	WPAD_Init();
#endif

	rmode = VIDEO_GetPreferredMode(NULL);
	xfb = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
	console_init(xfb,20,20,rmode->fbWidth,rmode->xfbHeight,rmode->fbWidth*VI_DISPLAY_PIX_SZ);
	VIDEO_Configure(rmode);
	VIDEO_SetNextFramebuffer(xfb);
	VIDEO_SetBlack(FALSE);
	VIDEO_Flush();
	VIDEO_WaitVSync();
	if(rmode->viTVMode&VI_NON_INTERLACE) VIDEO_WaitVSync();
}

bool ExitPressed(void) {
#ifdef HW_RVL
	WPAD_ScanPads();
	if (WPAD_ButtonsDown(0) & WPAD_BUTTON_HOME) {
		return true;
	}
#endif
	PAD_ScanPads();
	if (PAD_ButtonsDown(0) & PAD_BUTTON_START) {
		return true;
	}
	return false;
}

//---------------------------------------------------------------------------------
int main() {
//---------------------------------------------------------------------------------
	Initialise();

	printf("Sending Inquiry\n");
	DICMDBUF0 = 0x12000000;
	DICMDBUF1 = 0;
	DILENGTH = 0x20;
	DIMAR = MEM_VIRTUAL_TO_PHYSICAL(buf);
	DICR = 3; // Start DMA transfer

	while (DICR & 1) { // Transfer in progress
		VIDEO_WaitVSync();
	}

	for (int i = 0; i < 8; i++) {
		printf("buf[%d]: %08x\n", i, buf[i]);
	}

	printf("Checking error.  DISR: %08x\n", DISR);
	DICMDBUF0 = 0xE0000000;
	DICR = 1; // Start immediate transfer

	while (DICR & 1) { // Transfer in progress
		VIDEO_WaitVSync();
	}

	printf("Error: %08x (DISR: %08x)\n", DIIMMBUF, DISR);

	printf("Press HOME or start to exit\n");
	do {
		VIDEO_WaitVSync();
	} while (!ExitPressed());

	return 0;
}

InquiryTest_GC.dol

InquiryTest_Wii.dol

Makefile.gc

#---------------------------------------------------------------------------------
# Clear the implicit built in rules
#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITPPC)),)
$(error "Please set DEVKITPPC in your environment. export DEVKITPPC=<path to>devkitPPC")
endif

include $(DEVKITPPC)/gamecube_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
# INCLUDES is a list of directories containing extra header files
#---------------------------------------------------------------------------------
TARGET		:=	InquiryTest_GC
BUILD		:=	build_gc
SOURCES		:=	.
DATA		:=	data
INCLUDES	:=

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------

CFLAGS	= -g -O0 -Wextra -Wall $(MACHDEP) $(INCLUDE)
CXXFLAGS	=	$(CFLAGS)

LDFLAGS	=	-g $(MACHDEP) -Wl,-Map,$(notdir $@).map

#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
#---------------------------------------------------------------------------------
LIBS	:=	-logc -lm

#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS	:=

#---------------------------------------------------------------------------------
# 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 VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
					$(foreach dir,$(DATA),$(CURDIR)/$(dir))

export DEPSDIR	:=	$(CURDIR)/$(BUILD)

#---------------------------------------------------------------------------------
# automatically build a list of object files for our project
#---------------------------------------------------------------------------------
CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
sFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
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_SOURCES := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(sFILES:.s=.o) $(SFILES:.S=.o)
export OFILES := $(OFILES_BIN) $(OFILES_SOURCES)

export HFILES := $(addsuffix .h,$(subst .,_,$(BINFILES)))

#---------------------------------------------------------------------------------
# build a list of include paths
#---------------------------------------------------------------------------------
export INCLUDE	:=	$(foreach dir,$(INCLUDES), -iquote $(CURDIR)/$(dir)) \
					$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
					-I$(CURDIR)/$(BUILD) \
					-I$(LIBOGC_INC)

#---------------------------------------------------------------------------------
# build a list of library paths
#---------------------------------------------------------------------------------
export LIBPATHS	:= -L$(LIBOGC_LIB) $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
#export LIBPATHS	:= -L/mnt/c/Pokechu22/Git_/libogc/lib/wii/ $(foreach dir,$(LIBDIRS),-L$(dir)/lib)

export OUTPUT	:=	$(CURDIR)/$(TARGET)
.PHONY: $(BUILD) clean

#---------------------------------------------------------------------------------
$(BUILD):
	@[ -d $@ ] || mkdir -p $@
	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile.gc

#---------------------------------------------------------------------------------
clean:
	@echo clean ...
	@rm -fr $(BUILD) $(OUTPUT).elf $(OUTPUT).dol

#---------------------------------------------------------------------------------
run:
	wiiload $(TARGET).dol


#---------------------------------------------------------------------------------
else

DEPENDS	:=	$(OFILES:.o=.d)

#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).dol: $(OUTPUT).elf
$(OUTPUT).elf: $(OFILES)

$(OFILES_SOURCES) : $(HFILES)

#---------------------------------------------------------------------------------
# This rule links in binary data with the .jpg extension
#---------------------------------------------------------------------------------
%.jpg.o	%_jpg.h :	%.jpg
#---------------------------------------------------------------------------------
	@echo $(notdir $<)
	$(bin2o)

-include $(DEPENDS)

#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------

Makefile.wii

#---------------------------------------------------------------------------------
# Clear the implicit built in rules
#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITPPC)),)
$(error "Please set DEVKITPPC in your environment. export DEVKITPPC=<path to>devkitPPC")
endif

include $(DEVKITPPC)/wii_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
# INCLUDES is a list of directories containing extra header files
#---------------------------------------------------------------------------------
TARGET		:=	InquiryTest_Wii
BUILD		:=	build_wii
SOURCES		:=	.
DATA		:=	data
INCLUDES	:=

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------

CFLAGS	= -g -O0 -Wextra -Wall $(MACHDEP) $(INCLUDE)
CXXFLAGS	=	$(CFLAGS)

LDFLAGS	=	-g $(MACHDEP) -Wl,-Map,$(notdir $@).map

#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
#---------------------------------------------------------------------------------
LIBS	:=	-lwiiuse -lbte -logc -lm

#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS	:=

#---------------------------------------------------------------------------------
# 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 VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
					$(foreach dir,$(DATA),$(CURDIR)/$(dir))

export DEPSDIR	:=	$(CURDIR)/$(BUILD)

#---------------------------------------------------------------------------------
# automatically build a list of object files for our project
#---------------------------------------------------------------------------------
CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
sFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
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_SOURCES := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(sFILES:.s=.o) $(SFILES:.S=.o)
export OFILES := $(OFILES_BIN) $(OFILES_SOURCES)

export HFILES := $(addsuffix .h,$(subst .,_,$(BINFILES)))

#---------------------------------------------------------------------------------
# build a list of include paths
#---------------------------------------------------------------------------------
export INCLUDE	:=	$(foreach dir,$(INCLUDES), -iquote $(CURDIR)/$(dir)) \
					$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
					-I$(CURDIR)/$(BUILD) \
					-I$(LIBOGC_INC)

#---------------------------------------------------------------------------------
# build a list of library paths
#---------------------------------------------------------------------------------
export LIBPATHS	:= -L$(LIBOGC_LIB) $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
#export LIBPATHS	:= -L/mnt/c/Pokechu22/Git_/libogc/lib/wii/ $(foreach dir,$(LIBDIRS),-L$(dir)/lib)

export OUTPUT	:=	$(CURDIR)/$(TARGET)
.PHONY: $(BUILD) clean

#---------------------------------------------------------------------------------
$(BUILD):
	@[ -d $@ ] || mkdir -p $@
	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile.wii

#---------------------------------------------------------------------------------
clean:
	@echo clean ...
	@rm -fr $(BUILD) $(OUTPUT).elf $(OUTPUT).dol

#---------------------------------------------------------------------------------
run:
	wiiload $(TARGET).dol


#---------------------------------------------------------------------------------
else

DEPENDS	:=	$(OFILES:.o=.d)

#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).dol: $(OUTPUT).elf
$(OUTPUT).elf: $(OFILES)

$(OFILES_SOURCES) : $(HFILES)

#---------------------------------------------------------------------------------
# This rule links in binary data with the .jpg extension
#---------------------------------------------------------------------------------
%.jpg.o	%_jpg.h :	%.jpg
#---------------------------------------------------------------------------------
	@echo $(notdir $<)
	$(bin2o)

-include $(DEPENDS)

#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------