archive MK1 AVR source
This commit is contained in:
ikari
parent
a6d66e7a8b
commit
a9b84c3e0b
@ -673,6 +673,8 @@ longwait0
|
||||
|
||||
; --------change region in eeprom and die--------
|
||||
die
|
||||
movlw 0x3a ;wait 50ms before writing
|
||||
call longwait ;("error" might be due to power loss)
|
||||
banksel EEADR
|
||||
clrw
|
||||
movwf EEADR
|
||||
|
||||
619
mk1-src/Makefile
Normal file
619
mk1-src/Makefile
Normal file
@ -0,0 +1,619 @@
|
||||
# Hey Emacs, this is a -*- makefile -*-
|
||||
|
||||
# Define version number
|
||||
MAJOR = 0
|
||||
MINOR = 0
|
||||
PATCHLEVEL = 1
|
||||
FIX =
|
||||
|
||||
# Forces bootloader version to 0, comment out for release
|
||||
#PRERELEASE =
|
||||
|
||||
#----------------------------------------------------------------------------
|
||||
# WinAVR Makefile Template written by Eric B. Weddington, Joerg Wunsch, et al.
|
||||
#
|
||||
# Released to the Public Domain
|
||||
#
|
||||
# Additional material for this makefile was written by:
|
||||
# Peter Fleury
|
||||
# Tim Henigan
|
||||
# Colin O'Flynn
|
||||
# Reiner Patommel
|
||||
# Markus Pfaff
|
||||
# Sander Pool
|
||||
# Frederik Rouleau
|
||||
# Carlos Lamas
|
||||
#
|
||||
#
|
||||
# Extensively modified for sd2iec by Ingo Korb
|
||||
#
|
||||
# To rebuild project do "make clean" then "make all".
|
||||
#----------------------------------------------------------------------------
|
||||
|
||||
# Read configuration file
|
||||
ifdef CONFIG
|
||||
CONFIGSUFFIX = $(CONFIG:config%=%)
|
||||
else
|
||||
CONFIG = config
|
||||
CONFIGSUFFIX =
|
||||
endif
|
||||
|
||||
# Enable verbose compilation with "make V=1"
|
||||
ifdef V
|
||||
Q :=
|
||||
E := @:
|
||||
else
|
||||
Q := @
|
||||
E := @echo
|
||||
endif
|
||||
|
||||
# Include the configuration file
|
||||
include $(CONFIG)
|
||||
|
||||
# Set MCU name and length of binary for bootloader
|
||||
# WARNING: Fuse settings not tested!
|
||||
MCU := $(CONFIG_MCU)
|
||||
ifeq ($(MCU),atmega128)
|
||||
BINARY_LENGTH = 0x1f000
|
||||
# EFUSE = 0xff
|
||||
# HFUSE = 0x91
|
||||
# LFUSE = 0xaf
|
||||
else ifeq ($(MCU),atmega1281)
|
||||
BINARY_LENGTH = 0x1f000
|
||||
BOOTLDRSIZE = 0x0800
|
||||
EFUSE = 0xff
|
||||
HFUSE = 0xd2
|
||||
LFUSE = 0xfc
|
||||
else ifeq ($(MCU),atmega2561)
|
||||
BINARY_LENGTH = 0x3f000
|
||||
EFUSE = 0xfd
|
||||
HFUSE = 0x93
|
||||
LFUSE = 0xef
|
||||
else ifeq ($(MCU),atmega644)
|
||||
BINARY_LENGTH = 0xf000
|
||||
EFUSE = 0xfd
|
||||
HFUSE = 0x91
|
||||
# LFUSE = 0xef
|
||||
LFUSE = 0xaf
|
||||
else ifeq ($(MCU),atmega644p)
|
||||
BINARY_LENGTH = 0xf000
|
||||
EFUSE = 0xfd
|
||||
HFUSE = 0x91
|
||||
LFUSE = 0xef
|
||||
else
|
||||
.PHONY: nochip
|
||||
nochip:
|
||||
@echo '=============================================================='
|
||||
@echo 'No known target chip specified.'
|
||||
@echo
|
||||
@echo 'Please edit the Makefile.'
|
||||
@exit 1
|
||||
endif
|
||||
|
||||
# Directory for all generated files
|
||||
OBJDIR := obj-$(CONFIG_MCU:atmega%=m%)$(CONFIGSUFFIX)
|
||||
|
||||
# Output format. (can be srec, ihex, binary)
|
||||
FORMAT = ihex
|
||||
|
||||
|
||||
# Target file name (without extension).
|
||||
TARGET = $(OBJDIR)/sd2snes
|
||||
|
||||
# List C source files here. (C dependencies are automatically generated.)
|
||||
SRC = main.c ff.c utils.c led.c diskio.c sdcard.c spi.c crc7.c snes.c fpga.c memory.c crc16.c fileops.c fpga_spi.c smc.c filetypes.c
|
||||
|
||||
ifeq ($(CONFIG_UART_DEBUG),y)
|
||||
SRC += uart.c
|
||||
endif
|
||||
|
||||
# List Assembler source files here.
|
||||
# Make them always end in a capital .S. Files ending in a lowercase .s
|
||||
# will not be considered source files but generated files (assembler
|
||||
# output from the compiler), and will be deleted upon "make clean"!
|
||||
# Even though the DOS/Win* filesystem matches both .s and .S the same,
|
||||
# it will preserve the spelling of the filenames, and gcc itself does
|
||||
# care about how the name is spelled on its command-line.
|
||||
ASRC =
|
||||
|
||||
# Optimization level, can be [0, 1, 2, 3, s].
|
||||
# 0 = turn off optimization. s = optimize for size.
|
||||
# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
|
||||
# Use s -mcall-prologues when you really need size...
|
||||
OPT = s
|
||||
#OPT = 3 -finline-functions
|
||||
|
||||
# Debugging format.
|
||||
# Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
|
||||
# AVR Studio 4.10 requires dwarf-2.
|
||||
# AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
|
||||
DEBUG = dwarf-2
|
||||
|
||||
|
||||
# List any extra directories to look for include files here.
|
||||
# Each directory must be seperated by a space.
|
||||
# Use forward slashes for directory separators.
|
||||
# For a directory that has spaces, enclose it in quotes.
|
||||
EXTRAINCDIRS =
|
||||
|
||||
|
||||
# Compiler flag to set the C Standard level.
|
||||
# c89 = "ANSI" C
|
||||
# gnu89 = c89 plus GCC extensions
|
||||
# c99 = ISO C99 standard (not yet fully implemented)
|
||||
# gnu99 = c99 plus GCC extensions
|
||||
CSTANDARD = -std=gnu99
|
||||
|
||||
|
||||
# Place -D or -U options here
|
||||
CDEFS = -DF_CPU=$(CONFIG_MCU_FREQ)UL
|
||||
|
||||
# Calculate bootloader version
|
||||
ifdef PRERELEASE
|
||||
BOOT_VERSION := 0
|
||||
else
|
||||
BOOT_VERSION := 0x$(MAJOR)$(MINOR)$(PATCHLEVEL)$(FIX)
|
||||
endif
|
||||
|
||||
# Create a version number define
|
||||
ifdef PATCHLEVEL
|
||||
ifdef FIX
|
||||
PROGRAMVERSION := $(MAJOR).$(MINOR).$(PATCHLEVEL).$(FIX)
|
||||
else
|
||||
PROGRAMVERSION := $(MAJOR).$(MINOR).$(PATCHLEVEL)
|
||||
BOOT_VERSION := $(BOOT_VERSION)0
|
||||
endif
|
||||
else
|
||||
PROGRAMVERSION := $(MAJOR).$(MINOR)
|
||||
BOOT_VERSION := $(BOOT_VERSION)00
|
||||
endif
|
||||
|
||||
ifdef PRERELEASE
|
||||
PROGRAMVERSION := $(PROGRAMVERSION)$(PRERELEASE)
|
||||
endif
|
||||
|
||||
LONGVERSION := -$(CONFIG_MCU:atmega%=m%)$(CONFIGSUFFIX)
|
||||
|
||||
CDEFS += -DVERSION=\"$(PROGRAMVERSION)\" -DLONGVERSION=\"$(LONGVERSION)\"
|
||||
|
||||
# Place -I options here
|
||||
CINCS =
|
||||
|
||||
|
||||
# Define programs and commands.
|
||||
# CC must be defined here to generate the correct CFLAGS
|
||||
SHELL = sh
|
||||
CC = avr-gcc
|
||||
OBJCOPY = avr-objcopy
|
||||
OBJDUMP = avr-objdump
|
||||
SIZE = avr-size
|
||||
NM = avr-nm
|
||||
AVRDUDE = avrdude
|
||||
REMOVE = rm -f
|
||||
COPY = cp
|
||||
WINSHELL = cmd
|
||||
|
||||
|
||||
#---------------- Compiler Options ----------------
|
||||
# -g*: generate debugging information
|
||||
# -O*: optimization level
|
||||
# -f...: tuning, see GCC manual and avr-libc documentation
|
||||
# -Wall...: warning level
|
||||
# -Wa,...: tell GCC to pass this to the assembler.
|
||||
# -adhlns...: create assembler listing
|
||||
CFLAGS = -g$(DEBUG)
|
||||
CFLAGS += $(CDEFS) $(CINCS)
|
||||
CFLAGS += -O$(OPT)
|
||||
CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
|
||||
CFLAGS += -Wall -Wstrict-prototypes -Werror
|
||||
CFLAGS += -Wa,-adhlns=$(OBJDIR)/$(<:.c=.lst)
|
||||
CFLAGS += -I$(OBJDIR)
|
||||
CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
|
||||
CFLAGS += $(CSTANDARD)
|
||||
CFLAGS += -ffunction-sections -fdata-sections
|
||||
#CFLAGS += -mcall-prologues
|
||||
|
||||
# these are needed for GCC 4.3.2, which is more aggressive at inlining
|
||||
# gcc-4.2 knows one of those, but it tends to increase code size
|
||||
ifeq ($(shell $(CC) --version|gawk -f gcctest.awk),YES)
|
||||
CFLAGS += --param inline-call-cost=3
|
||||
CFLAGS += -fno-inline-small-functions
|
||||
CFLAGS += -fno-move-loop-invariants
|
||||
CFLAGS += -fno-split-wide-types
|
||||
|
||||
# turn these on to keep the functions in the same order as in the source
|
||||
# this is only useful if you're looking at disassembly
|
||||
#CFLAGS += -fno-reorder-blocks
|
||||
#CFLAGS += -fno-reorder-blocks-and-partition
|
||||
#CFLAGS += -fno-reorder-functions
|
||||
#CFLAGS += -fno-toplevel-reorder
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_STACK_TRACKING),y)
|
||||
CFLAGS += -finstrument-functions
|
||||
endif
|
||||
|
||||
|
||||
#---------------- Assembler Options ----------------
|
||||
# -Wa,...: tell GCC to pass this to the assembler.
|
||||
# -ahlms: create listing
|
||||
# -gstabs: have the assembler create line number information; note that
|
||||
# for use in COFF files, additional information about filenames
|
||||
# and function names needs to be present in the assembler source
|
||||
# files -- see avr-libc docs [FIXME: not yet described there]
|
||||
ASFLAGS = -Wa,-adhlns=$(OBJDIR)/$(<:.S=.lst),-gstabs -I$(OBJDIR)
|
||||
|
||||
|
||||
#---------------- Library Options ----------------
|
||||
# Minimalistic printf version
|
||||
PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
|
||||
|
||||
# Floating point printf version (requires MATH_LIB = -lm below)
|
||||
PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
|
||||
|
||||
# If this is left blank, then it will use the Standard printf version.
|
||||
PRINTF_LIB =
|
||||
#PRINTF_LIB = $(PRINTF_LIB_MIN)
|
||||
#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
|
||||
|
||||
|
||||
# Minimalistic scanf version
|
||||
SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
|
||||
|
||||
# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
|
||||
SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
|
||||
|
||||
# If this is left blank, then it will use the Standard scanf version.
|
||||
SCANF_LIB =
|
||||
#SCANF_LIB = $(SCANF_LIB_MIN)
|
||||
#SCANF_LIB = $(SCANF_LIB_FLOAT)
|
||||
|
||||
|
||||
MATH_LIB = -lm
|
||||
|
||||
|
||||
|
||||
#---------------- External Memory Options ----------------
|
||||
|
||||
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
|
||||
# used for variables (.data/.bss) and heap (malloc()).
|
||||
#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
|
||||
|
||||
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
|
||||
# only used for heap (malloc()).
|
||||
#EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
|
||||
|
||||
EXTMEMOPTS =
|
||||
|
||||
|
||||
|
||||
#---------------- Linker Options ----------------
|
||||
# -Wl,...: tell GCC to pass this to linker.
|
||||
# -Map: create map file
|
||||
# --cref: add cross reference to map file
|
||||
LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
|
||||
LDFLAGS += $(EXTMEMOPTS)
|
||||
LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
|
||||
LDFLAGS += -Wl,--gc-sections
|
||||
ifeq ($(CONFIG_LINKER_RELAX),y)
|
||||
LDFLAGS += -Wl,-O9,--relax
|
||||
endif
|
||||
|
||||
|
||||
|
||||
#---------------- Programming Options (avrdude) ----------------
|
||||
|
||||
# Programming hardware: alf avr910 avrisp bascom bsd
|
||||
# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500 stk500v2
|
||||
#
|
||||
# Type: avrdude -c ?
|
||||
# to get a full listing.
|
||||
#
|
||||
AVRDUDE_PROGRAMMER = dragon_isp
|
||||
|
||||
# com1 = serial port. Use lpt1 to connect to parallel port.
|
||||
AVRDUDE_PORT = usb # programmer connected to serial device
|
||||
|
||||
AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
|
||||
# AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
|
||||
|
||||
# Allow fuse overrides from the config file
|
||||
ifdef CONFIG_EFUSE
|
||||
EFUSE := CONFIG_EFUSE
|
||||
endif
|
||||
ifdef CONFIG_HFUSE
|
||||
HFUSE := CONFIG_HFUSE
|
||||
endif
|
||||
ifdef CONFIG_LFUSE
|
||||
LFUSE := CONFIG_LFUSE
|
||||
endif
|
||||
|
||||
# Calculate command line arguments for fuses
|
||||
AVRDUDE_WRITE_FUSES :=
|
||||
ifdef EFUSE
|
||||
AVRDUDE_WRITE_FUSES += -U efuse:w:$(EFUSE):m
|
||||
endif
|
||||
ifdef HFUSE
|
||||
AVRDUDE_WRITE_FUSES += -U hfuse:w:$(HFUSE):m
|
||||
endif
|
||||
ifdef LFUSE
|
||||
AVRDUDE_WRITE_FUSES += -U lfuse:w:$(LFUSE):m
|
||||
endif
|
||||
|
||||
|
||||
# Uncomment the following if you want avrdude's erase cycle counter.
|
||||
# Note that this counter needs to be initialized first using -Yn,
|
||||
# see avrdude manual.
|
||||
AVRDUDE_ERASE_COUNTER = -y
|
||||
|
||||
# Uncomment the following if you do /not/ wish a verification to be
|
||||
# performed after programming the device.
|
||||
#AVRDUDE_NO_VERIFY = -V
|
||||
|
||||
# Increase verbosity level. Please use this when submitting bug
|
||||
# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
|
||||
# to submit bug reports.
|
||||
#AVRDUDE_VERBOSE = -v -v
|
||||
|
||||
AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
|
||||
AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
|
||||
AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
|
||||
AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
|
||||
|
||||
|
||||
|
||||
#---------------- Debugging Options ----------------
|
||||
|
||||
# For simulavr only - target MCU frequency.
|
||||
DEBUG_MFREQ = $(CONFIG_MCU_FREQ)
|
||||
|
||||
# Set the DEBUG_UI to either gdb or insight.
|
||||
# DEBUG_UI = gdb
|
||||
DEBUG_UI = insight
|
||||
|
||||
# Set the debugging back-end to either avarice, simulavr.
|
||||
DEBUG_BACKEND = avarice
|
||||
#DEBUG_BACKEND = simulavr
|
||||
|
||||
# GDB Init Filename.
|
||||
GDBINIT_FILE = __avr_gdbinit
|
||||
|
||||
# When using avarice settings for the JTAG
|
||||
JTAG_DEV = /dev/com1
|
||||
|
||||
# Debugging port used to communicate between GDB / avarice / simulavr.
|
||||
DEBUG_PORT = 4242
|
||||
|
||||
# Debugging host used to communicate between GDB / avarice / simulavr, normally
|
||||
# just set to localhost unless doing some sort of crazy debugging when
|
||||
# avarice is running on a different computer.
|
||||
DEBUG_HOST = localhost
|
||||
|
||||
|
||||
|
||||
#============================================================================
|
||||
|
||||
|
||||
# De-dupe the list of C source files
|
||||
CSRC := $(sort $(SRC))
|
||||
|
||||
# Define all object files.
|
||||
OBJ := $(patsubst %,$(OBJDIR)/%,$(CSRC:.c=.o) $(ASRC:.S=.o))
|
||||
|
||||
# Define all listing files.
|
||||
LST := $(patsubst %,$(OBJDIR)/%,$(CSRC:.c=.lst) $(ASRC:.S=.lst))
|
||||
|
||||
|
||||
# Compiler flags to generate dependency files.
|
||||
GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
|
||||
|
||||
|
||||
# Combine all necessary flags and optional flags.
|
||||
# Add target processor to flags.
|
||||
ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
|
||||
ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS) $(CDEFS)
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
# Default target.
|
||||
all: build
|
||||
|
||||
build: elf bin hex
|
||||
$(E) " SIZE $(TARGET).elf"
|
||||
$(Q)$(ELFSIZE)|grep -v debug
|
||||
|
||||
elf: $(TARGET).elf
|
||||
bin: $(TARGET).bin
|
||||
hex: $(TARGET).hex
|
||||
eep: $(TARGET).eep
|
||||
lss: $(TARGET).lss
|
||||
sym: $(TARGET).sym
|
||||
|
||||
# A little helper target for the maintainer =)
|
||||
copy2card:
|
||||
mount /mnt
|
||||
cp $(TARGET).bin /mnt
|
||||
umount /mnt
|
||||
sync
|
||||
|
||||
|
||||
# Doxygen output:
|
||||
doxygen:
|
||||
-rm -rf doxyinput
|
||||
mkdir doxyinput
|
||||
cp *.h *.c doxyinput
|
||||
src2doxy.pl doxyinput/*.h doxyinput/*.c
|
||||
doxygen doxygen.conf
|
||||
|
||||
# Display size of file.
|
||||
HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
|
||||
ELFSIZE = $(SIZE) -A $(TARGET).elf
|
||||
AVRMEM = avr-mem.sh $(TARGET).elf $(MCU)
|
||||
|
||||
# Program the device.
|
||||
program: bin hex eep
|
||||
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
|
||||
|
||||
# Set fuses of the device
|
||||
fuses: $(CONFIG)
|
||||
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FUSES)
|
||||
|
||||
# Generate avr-gdb config/init file which does the following:
|
||||
# define the reset signal, load the target file, connect to target, and set
|
||||
# a breakpoint at main().
|
||||
gdb-config:
|
||||
@$(REMOVE) $(GDBINIT_FILE)
|
||||
@echo define reset >> $(GDBINIT_FILE)
|
||||
@echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
|
||||
@echo end >> $(GDBINIT_FILE)
|
||||
@echo file $(TARGET).elf >> $(GDBINIT_FILE)
|
||||
@echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE)
|
||||
ifeq ($(DEBUG_BACKEND),simulavr)
|
||||
@echo load >> $(GDBINIT_FILE)
|
||||
endif
|
||||
@echo break main >> $(GDBINIT_FILE)
|
||||
|
||||
debug: gdb-config $(TARGET).elf
|
||||
ifeq ($(DEBUG_BACKEND), avarice)
|
||||
@echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
|
||||
@$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
|
||||
$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
|
||||
@$(WINSHELL) /c pause
|
||||
|
||||
else
|
||||
@$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
|
||||
$(DEBUG_MFREQ) --port $(DEBUG_PORT)
|
||||
endif
|
||||
@$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
|
||||
|
||||
|
||||
|
||||
|
||||
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
|
||||
COFFCONVERT=$(OBJCOPY) --debugging \
|
||||
--change-section-address .data-0x800000 \
|
||||
--change-section-address .bss-0x800000 \
|
||||
--change-section-address .noinit-0x800000 \
|
||||
--change-section-address .eeprom-0x810000
|
||||
|
||||
|
||||
coff: $(TARGET).elf
|
||||
$(COFFCONVERT) -O coff-avr $< $(TARGET).cof
|
||||
|
||||
|
||||
extcoff: $(TARGET).elf
|
||||
$(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
|
||||
|
||||
|
||||
# Generate autoconf.h from config
|
||||
.PRECIOUS : $(OBJDIR)/autoconf.h
|
||||
$(OBJDIR)/autoconf.h: $(CONFIG) | $(OBJDIR)
|
||||
$(E) " CONF2H $(CONFIG)"
|
||||
$(Q)gawk -f conf2h.awk $(CONFIG) > $(OBJDIR)/autoconf.h
|
||||
|
||||
# Create final output files (.hex, .eep) from ELF output file.
|
||||
ifeq ($(CONFIG_BOOTLOADER),y)
|
||||
$(OBJDIR)/%.bin: $(OBJDIR)/%.elf
|
||||
$(E) " BIN $@"
|
||||
$(Q)$(OBJCOPY) -O binary -R .eeprom $< $@
|
||||
$(E) " CRCGEN $@"
|
||||
-$(Q)crcgen-new $@ $(BINARY_LENGTH) $(CONFIG_BOOT_DEVID) $(BOOT_VERSION)
|
||||
$(E) " COPY $(CONFIG_HARDWARE_NAME)-firmware-$(PROGRAMVERSION).bin"
|
||||
$(Q)$(COPY) $@ $(OBJDIR)/$(CONFIG_HARDWARE_NAME)-firmware-$(PROGRAMVERSION).bin
|
||||
else
|
||||
$(OBJDIR)/%.bin: $(OBJDIR)/%.elf
|
||||
$(E) " BIN $@"
|
||||
$(Q)$(OBJCOPY) -O binary -R .eeprom $< $@
|
||||
endif
|
||||
|
||||
|
||||
$(OBJDIR)/%.hex: $(OBJDIR)/%.elf
|
||||
$(E) " HEX $@"
|
||||
$(Q)$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
|
||||
|
||||
$(OBJDIR)/%.eep: $(OBJDIR)/%.elf
|
||||
-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
|
||||
--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
|
||||
|
||||
# Create extended listing file from ELF output file.
|
||||
$(OBJDIR)/%.lss: $(OBJDIR)/%.elf
|
||||
$(E) " LSS $<"
|
||||
$(Q)$(OBJDUMP) -h -S $< > $@
|
||||
|
||||
# Create a symbol table from ELF output file.
|
||||
$(OBJDIR)/%.sym: $(OBJDIR)/%.elf
|
||||
$(E) " SYM $<"
|
||||
$(E)$(NM) -n $< > $@
|
||||
|
||||
|
||||
|
||||
# Link: create ELF output file from object files.
|
||||
.SECONDARY : $(TARGET).elf
|
||||
.PRECIOUS : $(OBJ)
|
||||
$(OBJDIR)/%.elf: $(OBJ)
|
||||
$(E) " LINK $@"
|
||||
$(Q)$(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS)
|
||||
|
||||
|
||||
# Compile: create object files from C source files.
|
||||
$(OBJDIR)/%.o : %.c | $(OBJDIR) $(OBJDIR)/autoconf.h
|
||||
$(E) " CC $<"
|
||||
$(Q)$(CC) -c $(ALL_CFLAGS) $< -o $@
|
||||
|
||||
|
||||
# Compile: create assembler files from C source files.
|
||||
$(OBJDIR)/%.s : %.c | $(OBJDIR) $(OBJDIR)/autoconf.h
|
||||
$(CC) -S $(ALL_CFLAGS) $< -o $@
|
||||
|
||||
|
||||
# Assemble: create object files from assembler source files.
|
||||
$(OBJDIR)/%.o : %.S | $(OBJDIR) $(OBJDIR)/autoconf.h
|
||||
$(E) " AS $<"
|
||||
$(Q)$(CC) -c $(ALL_ASFLAGS) $< -o $@
|
||||
|
||||
# Create preprocessed source for use in sending a bug report.
|
||||
$(OBJDIR)/%.i : %.c | $(OBJDIR) $(OBJDIR)/autoconf.h
|
||||
$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@
|
||||
|
||||
# Create the output directory
|
||||
$(OBJDIR):
|
||||
$(E) " MKDIR $(OBJDIR)"
|
||||
$(Q)mkdir $(OBJDIR)
|
||||
|
||||
# Target: clean project.
|
||||
clean: begin clean_list end
|
||||
|
||||
clean_list :
|
||||
$(E) " CLEAN"
|
||||
$(Q)$(REMOVE) $(TARGET).hex
|
||||
$(Q)$(REMOVE) $(TARGET).bin
|
||||
$(Q)$(REMOVE) $(TARGET).eep
|
||||
$(Q)$(REMOVE) $(TARGET).cof
|
||||
$(Q)$(REMOVE) $(TARGET).elf
|
||||
$(Q)$(REMOVE) $(TARGET).map
|
||||
$(Q)$(REMOVE) $(TARGET).sym
|
||||
$(Q)$(REMOVE) $(TARGET).lss
|
||||
$(Q)$(REMOVE) $(OBJ)
|
||||
$(Q)$(REMOVE) $(OBJDIR)/autoconf.h
|
||||
$(Q)$(REMOVE) $(OBJDIR)/*.bin
|
||||
$(Q)$(REMOVE) $(LST)
|
||||
$(Q)$(REMOVE) $(CSRC:.c=.s)
|
||||
$(Q)$(REMOVE) $(CSRC:.c=.d)
|
||||
$(Q)$(REMOVE) .dep/*
|
||||
$(Q)$(REMOVE) -rf codedoc
|
||||
$(Q)$(REMOVE) -rf doxyinput
|
||||
-$(Q)rmdir $(OBJDIR)
|
||||
|
||||
# Include the dependency files.
|
||||
-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
|
||||
|
||||
# Manual dependency for the assembler module
|
||||
# $(OBJDIR)/fastloader-ll.o: config.h $(OBJDIR)/autoconf.h
|
||||
|
||||
# Listing of phony targets.
|
||||
.PHONY : all begin finish end sizebefore sizeafter gccversion \
|
||||
build elf hex eep lss sym coff extcoff \
|
||||
clean clean_list program debug gdb-config doxygen
|
||||
|
||||
29
mk1-src/conf2h.awk
Normal file
29
mk1-src/conf2h.awk
Normal file
@ -0,0 +1,29 @@
|
||||
#! /usr/bin/gawk -f
|
||||
|
||||
# Trivial little script to convert from a makefile-style configuration
|
||||
# file to a C header. No copyright claimed.
|
||||
|
||||
BEGIN {
|
||||
print "// autoconf.h generated from " ARGV[1] " at " strftime() "\n" \
|
||||
"#ifndef AUTOCONF_H\n" \
|
||||
"#define AUTOCONF_H"
|
||||
}
|
||||
|
||||
/^#/ { sub(/^#/,"//") }
|
||||
|
||||
/^CONFIG_.*=/ {
|
||||
if (/=n$/) {
|
||||
sub(/^/,"// ");
|
||||
} else {
|
||||
sub(/^/,"#define ")
|
||||
if (/=y$/) {
|
||||
sub(/=.*$/,"")
|
||||
} else {
|
||||
sub(/=/," ")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
{ print }
|
||||
|
||||
END { print "#endif" }
|
||||
47
mk1-src/config
Normal file
47
mk1-src/config
Normal file
@ -0,0 +1,47 @@
|
||||
# This may not look like it, but it's a -*- makefile -*-
|
||||
# sd2snes - SD card based universal cartridge for the SNES
|
||||
# Copyright (C) 2009-2010 Maximilian Rehkopf <otakon@gmx.net>
|
||||
#
|
||||
# This file was adapted from sd2iec, written by Ingo Korb.
|
||||
# Original disclaimer follows:
|
||||
#
|
||||
# sd2iec - SD/MMC to Commodore serial bus interface/controller
|
||||
# Copyright (C) 2007-2009 Ingo Korb <ingo@akana.de>
|
||||
#
|
||||
# Inspiration and low-level SD/MMC access based on code from MMC2IEC
|
||||
# by Lars Pontoppidan et al., see sdcard.c|h and config.h.
|
||||
#
|
||||
# FAT filesystem access based on code from ChaN, see tff.c|h.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; version 2 of the License only.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
#
|
||||
#
|
||||
# This file is included in the main sd2iec Makefile and also parsed
|
||||
# into autoconf.h.
|
||||
|
||||
CONFIG_MCU=atmega644
|
||||
CONFIG_LINKER_RELAX=n
|
||||
CONFIG_MCU_FREQ=12288000
|
||||
CONFIG_BOOTLOADER=y
|
||||
CONFIG_BOOT_DEVID=0x4e534453
|
||||
CONFIG_UART_DEBUG=y
|
||||
CONFIG_UART_BAUDRATE=384000
|
||||
CONFIG_UART_BUF_SHIFT=7
|
||||
CONFIG_HARDWARE_NAME=sd2snes
|
||||
CONFIG_SD_AUTO_RETRIES=10
|
||||
#CONFIG_SD_DATACRC=y
|
||||
CONFIG_EEPROM_SIZE=512
|
||||
CONFIG_EEPROM_OFFSET=512
|
||||
CONFIG_MAX_PARTITIONS=1
|
||||
#CONFIG_DEADLOCK_ME_HARDER=y
|
||||
400
mk1-src/main.c
Normal file
400
mk1-src/main.c
Normal file
@ -0,0 +1,400 @@
|
||||
/* sd2snes - SD card based universal cartridge for the SNES
|
||||
Copyright (C) 2009-2010 Maximilian Rehkopf <otakon@gmx.net>
|
||||
AVR firmware portion
|
||||
|
||||
Inspired by and based on code from sd2iec, written by Ingo Korb et al.
|
||||
See sdcard.c|h, config.h.
|
||||
|
||||
FAT file system access based on code by ChaN, Jim Brain, Ingo Korb,
|
||||
see ff.c|h.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; version 2 of the License only.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
main.c: initialization and flow
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <avr/boot.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <avr/power.h>
|
||||
#include <avr/wdt.h>
|
||||
#include <util/delay.h>
|
||||
#include "config.h"
|
||||
#include "diskio.h"
|
||||
#include "ff.h"
|
||||
#include "led.h"
|
||||
/* #include "timer.h" */
|
||||
#include "fpga.h"
|
||||
#include "uart.h"
|
||||
#include "ustring.h"
|
||||
#include "utils.h"
|
||||
#include "snes.h"
|
||||
#include "fileops.h"
|
||||
#include "memory.h"
|
||||
#include "fpga_spi.h"
|
||||
#include "spi.h"
|
||||
#include "avrcompat.h"
|
||||
#include "filetypes.h"
|
||||
#include "sdcard.h"
|
||||
|
||||
void writetest(void) {
|
||||
// HERE BE LIONS, GET IN THE CAR
|
||||
char teststring[58];
|
||||
while(1) {
|
||||
sram_writeblock((void*)"Testtext of DOOM!!1! 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ", SRAM_SCRATCHPAD+0x20, 58);
|
||||
sram_readblock((void*)teststring, SRAM_SCRATCHPAD+0x20, 58);
|
||||
teststring[57]=0;
|
||||
dprintf("%s\n", teststring);
|
||||
}
|
||||
// END OF LIONS
|
||||
}
|
||||
|
||||
|
||||
void memtest(void) {
|
||||
/* HERE BE DRAGONS */
|
||||
uint32_t dbg_i;
|
||||
for(dbg_i=0; dbg_i < 65536; dbg_i++) {
|
||||
sram_writeshort((uint16_t)dbg_i&0xffff, dbg_i*2);
|
||||
}
|
||||
save_sram((uint8_t*)"/sd2snes/memtest", 0x20000, 0);
|
||||
set_pwr_led(0);
|
||||
while(1);
|
||||
/* END OF DRAGONS */
|
||||
}
|
||||
|
||||
|
||||
/* Make sure the watchdog is disabled as soon as possible */
|
||||
/* Copy this code to your bootloader if you use one and your */
|
||||
/* MCU doesn't disable the WDT after reset! */
|
||||
void get_mcusr(void) \
|
||||
__attribute__((naked)) \
|
||||
__attribute__((section(".init3")));
|
||||
void get_mcusr(void)
|
||||
{
|
||||
MCUSR = 0;
|
||||
wdt_disable();
|
||||
}
|
||||
|
||||
#ifdef CONFIG_MEMPOISON
|
||||
void poison_memory(void) \
|
||||
__attribute__((naked)) \
|
||||
__attribute__((section(".init1")));
|
||||
void poison_memory(void) {
|
||||
register uint16_t i;
|
||||
register uint8_t *ptr;
|
||||
|
||||
asm("clr r1\n");
|
||||
/* There is no RAMSTARt variable =( */
|
||||
if (RAMEND > 2048 && RAMEND < 4096) {
|
||||
/* 2K memory */
|
||||
ptr = (void *)RAMEND-2047;
|
||||
for (i=0;i<2048;i++)
|
||||
ptr[i] = 0x55;
|
||||
} else if (RAMEND > 4096 && RAMEND < 8192) {
|
||||
/* 4K memory */
|
||||
ptr = (void *)RAMEND-4095;
|
||||
for (i=0;i<4096;i++)
|
||||
ptr[i] = 0x55;
|
||||
} else {
|
||||
/* Assume 8K memory */
|
||||
ptr = (void *)RAMEND-8191;
|
||||
for (i=0;i<8192;i++)
|
||||
ptr[i] = 0x55;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 1)
|
||||
int main(void) __attribute__((OS_main));
|
||||
#endif
|
||||
int main(void) {
|
||||
#if defined __AVR_ATmega644__ || defined __AVR_ATmega644P__ || defined __AVR_ATmega2561__
|
||||
asm volatile("in r24, %0\n"
|
||||
"ori r24, 0x80\n"
|
||||
"out %0, r24\n"
|
||||
"out %0, r24\n"
|
||||
:
|
||||
: "I" (_SFR_IO_ADDR(MCUCR))
|
||||
: "r24"
|
||||
);
|
||||
#elif defined __AVR_ATmega32__
|
||||
asm volatile ("in r24, %0\n"
|
||||
"ori r24, 0x80\n"
|
||||
"out %0, r24\n"
|
||||
"out %0, r24\n"
|
||||
:
|
||||
: "I" (_SFR_IO_ADDR(MCUCSR))
|
||||
: "r24"
|
||||
);
|
||||
#elif defined __AVR_ATmega128__ || defined __AVR_ATmega1281__
|
||||
/* Just assume that JTAG doesn't hurt us on the m128 */
|
||||
#else
|
||||
# error Unknown chip!
|
||||
#endif
|
||||
|
||||
#ifdef CLOCK_PRESCALE
|
||||
clock_prescale_set(CLOCK_PRESCALE);
|
||||
#endif
|
||||
set_pwr_led(0);
|
||||
set_busy_led(1);
|
||||
spi_none();
|
||||
snes_reset(1);
|
||||
uart_init();
|
||||
sei();
|
||||
_delay_ms(100);
|
||||
disk_init();
|
||||
snes_init();
|
||||
/* timer_init(); */
|
||||
uart_puts_P(PSTR("\nsd2snes " VERSION));
|
||||
uart_putcrlf();
|
||||
|
||||
file_init();
|
||||
FATFS fatfs;
|
||||
f_mount(0,&fatfs);
|
||||
uart_putc('W');
|
||||
fpga_init();
|
||||
fpga_pgm((uint8_t*)"/sd2snes/main.bit");
|
||||
_delay_ms(100);
|
||||
set_pwr_led(1);
|
||||
fpga_spi_init();
|
||||
uart_putc('!');
|
||||
_delay_ms(100);
|
||||
|
||||
restart:
|
||||
set_avr_ena(0);
|
||||
snes_reset(1);
|
||||
|
||||
*fs_path=0;
|
||||
uint16_t saved_dir_id;
|
||||
get_db_id(&saved_dir_id);
|
||||
|
||||
uint16_t mem_dir_id = sram_readshort(SRAM_DIRID);
|
||||
uint32_t mem_magic = sram_readlong(SRAM_SCRATCHPAD);
|
||||
|
||||
while(0) {
|
||||
SD_SPI_OFFLOAD=0;
|
||||
set_avr_addr(0L);
|
||||
sd_read(0, file_buf, 0L, 1);
|
||||
uart_trace((void*)file_buf, 0, 0x200);
|
||||
// sram_writeblock((void*)file_buf, 0, 0x200);
|
||||
// sram_hexdump(0,0x200);
|
||||
uart_putc('+');
|
||||
}
|
||||
/* here be strange monsters */
|
||||
while(0){
|
||||
// uint16_t hurdur1 = 0, hurdur2 = 0;
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
PORTB |= _BV(PB2);
|
||||
DDRB |= _BV(PB2);
|
||||
PORTB &= ~_BV(PB2);
|
||||
DDRB &= ~_BV(PB7); // tristate SCK
|
||||
PORTB |= _BV(PB2);
|
||||
DDRB &= ~_BV(PB2);
|
||||
while(!(PINB & _BV(PB2))) {
|
||||
}
|
||||
DDRB |= _BV(PB7);
|
||||
_delay_ms(1);
|
||||
// dprintf("hurdur1=%d hurdur2=%d\n", hurdur1, hurdur2);
|
||||
}
|
||||
if((mem_magic != 0x12345678) || (mem_dir_id != saved_dir_id)) {
|
||||
uint16_t curr_dir_id = scan_dir(fs_path, 0, 0); // generate files footprint
|
||||
dprintf("curr dir id = %x\n", curr_dir_id);
|
||||
if((get_db_id(&saved_dir_id) != FR_OK) // no database?
|
||||
|| saved_dir_id != curr_dir_id) { // files changed? // XXX
|
||||
dprintf("saved dir id = %x\n", saved_dir_id);
|
||||
dprintf("rebuilding database...");
|
||||
_delay_ms(50);
|
||||
curr_dir_id = scan_dir(fs_path, 1, 0); // then rebuild database
|
||||
sram_writeblock(&curr_dir_id, SRAM_DB_ADDR, 2);
|
||||
uint32_t endaddr, direndaddr;
|
||||
sram_readblock(&endaddr, SRAM_DB_ADDR+4, 4);
|
||||
sram_readblock(&direndaddr, SRAM_DB_ADDR+8, 4);
|
||||
dprintf("%lx %lx\n", endaddr, direndaddr);
|
||||
save_sram((uint8_t*)"/sd2snes/sd2snes.db", endaddr-SRAM_DB_ADDR, SRAM_DB_ADDR);
|
||||
save_sram((uint8_t*)"/sd2snes/sd2snes.dir", direndaddr-(SRAM_DIR_ADDR), SRAM_DIR_ADDR);
|
||||
dprintf("done\n");
|
||||
// sram_hexdump(SRAM_DB_ADDR, 0x400);
|
||||
} else {
|
||||
dprintf("saved dir id = %x\n", saved_dir_id);
|
||||
dprintf("different card, consistent db, loading db...\n");
|
||||
load_sram((uint8_t*)"/sd2snes/sd2snes.db", SRAM_DB_ADDR);
|
||||
load_sram((uint8_t*)"/sd2snes/sd2snes.dir", SRAM_DIR_ADDR);
|
||||
}
|
||||
// save_sram((uint8_t*)"/debug.smc", 0x400000, 0);
|
||||
// uart_putc('[');
|
||||
// load_sram((uint8_t*)"/test.srm", SRAM_SAVE_ADDR);
|
||||
// uart_putc(']');
|
||||
|
||||
sram_writeshort(curr_dir_id, SRAM_DIRID);
|
||||
sram_writelong(0x12345678, SRAM_SCRATCHPAD);
|
||||
} else {
|
||||
dprintf("same card, loading db...\n");
|
||||
load_sram((uint8_t*)"/sd2snes/sd2snes.db", SRAM_DB_ADDR);
|
||||
load_sram((uint8_t*)"/sd2snes/sd2snes.dir", SRAM_DIR_ADDR);
|
||||
}
|
||||
|
||||
led_pwm();
|
||||
|
||||
// sram_hexdump(0, 0x200);
|
||||
uart_putc('(');
|
||||
load_rom((uint8_t*)"/sd2snes/menu.bin", SRAM_MENU_ADDR);
|
||||
set_rom_mask(0x3fffff); // force mirroring off
|
||||
set_avr_mapper(0x7); // menu mapper XXX
|
||||
uart_putc(')');
|
||||
uart_putcrlf();
|
||||
// sram_hexdump(0x7ffff0, 0x10);
|
||||
// sram_hexdump(0, 0x400);
|
||||
// save_sram((uint8_t*)"/sd2snes/dump", 65536, 0);
|
||||
|
||||
sram_writebyte(0, SRAM_CMD_ADDR);
|
||||
|
||||
set_busy_led(0);
|
||||
set_avr_ena(1);
|
||||
|
||||
_delay_ms(100);
|
||||
uart_puts_P(PSTR("SNES GO!\r\n"));
|
||||
snes_reset(0);
|
||||
// writetest();
|
||||
/* snes_reset(1);
|
||||
set_avr_ena(0);
|
||||
led_std();
|
||||
set_busy_led(1);
|
||||
save_sram((uint8_t*)"/sd2snes/dump", 65536, SRAM_MENU_ADDR);
|
||||
set_busy_led(0);
|
||||
set_avr_ena(1);
|
||||
snes_reset(0); */
|
||||
uint8_t cmd = 0;
|
||||
|
||||
while(!sram_reliable());
|
||||
while(!cmd) {
|
||||
cmd=menu_main_loop();
|
||||
switch(cmd) {
|
||||
case 0x01: // SNES_CMD_LOADROM:
|
||||
get_selected_name(file_lfn);
|
||||
_delay_ms(100);
|
||||
// snes_reset(1);
|
||||
set_avr_ena(0);
|
||||
dprintf("Selected name: %s\n", file_lfn);
|
||||
load_rom(file_lfn, SRAM_ROM_ADDR);
|
||||
// save_sram((uint8_t*)"/sd2snes/test.smc", romprops.romsize_bytes, 0);
|
||||
if(romprops.ramsize_bytes) {
|
||||
strcpy(strrchr((char*)file_lfn, (int)'.'), ".srm");
|
||||
dprintf("SRM file: %s\n", file_lfn);
|
||||
load_sram(file_lfn, SRAM_SAVE_ADDR);
|
||||
} else {
|
||||
dprintf("No SRAM\n");
|
||||
}
|
||||
set_avr_ena(1);
|
||||
snes_reset(1);
|
||||
_delay_ms(100);
|
||||
snes_reset(0);
|
||||
break;
|
||||
default:
|
||||
dprintf("unknown cmd: %d\n", cmd);
|
||||
cmd=0; // unknown cmd: stay in loop
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
dprintf("cmd was %x, going to snes main loop\n", cmd);
|
||||
led_std();
|
||||
cmd=0;
|
||||
uint8_t snes_reset_prev=0, snes_reset_now=0, snes_reset_state=0;
|
||||
uint16_t reset_count=0;
|
||||
while(fpga_test() == FPGA_TEST_TOKEN) {
|
||||
snes_reset_now=get_snes_reset();
|
||||
if(snes_reset_now) {
|
||||
if(!snes_reset_prev) {
|
||||
dprintf("RESET BUTTON DOWN\n");
|
||||
snes_reset_state=1;
|
||||
// reset reset counter
|
||||
reset_count=0;
|
||||
}
|
||||
} else {
|
||||
if(snes_reset_prev) {
|
||||
dprintf("RESET BUTTON UP\n");
|
||||
snes_reset_state=0;
|
||||
}
|
||||
}
|
||||
if(snes_reset_state) {
|
||||
_delay_ms(10);
|
||||
reset_count++;
|
||||
} else {
|
||||
sram_reliable();
|
||||
snes_main_loop();
|
||||
}
|
||||
if(reset_count>100) {
|
||||
reset_count=0;
|
||||
led_std();
|
||||
set_avr_ena(0);
|
||||
snes_reset(1);
|
||||
_delay_ms(100);
|
||||
if(romprops.ramsize_bytes && fpga_test() == 0xa5) {
|
||||
set_busy_led(1);
|
||||
save_sram(file_lfn, romprops.ramsize_bytes, SRAM_SAVE_ADDR);
|
||||
set_busy_led(0);
|
||||
}
|
||||
_delay_ms(1000);
|
||||
set_busy_led(1);
|
||||
goto restart;
|
||||
}
|
||||
snes_reset_prev = snes_reset_now;
|
||||
}
|
||||
// FPGA TEST FAIL. PANIC.
|
||||
led_panic();
|
||||
|
||||
/* HERE BE LIONS */
|
||||
while(1) {
|
||||
set_avr_addr(0x600000);
|
||||
spi_fpga();
|
||||
spiTransferByte(0x81); // read w/ increment... hopefully
|
||||
spiTransferByte(0x00); // 1 dummy read
|
||||
uart_putcrlf();
|
||||
uint8_t buff[21];
|
||||
for(uint8_t cnt=0; cnt<21; cnt++) {
|
||||
uint8_t data=spiTransferByte(0x00);
|
||||
buff[cnt]=data;
|
||||
}
|
||||
for(uint8_t cnt=0; cnt<21; cnt++) {
|
||||
uint8_t data = buff[cnt];
|
||||
_delay_ms(2);
|
||||
if(data>=0x20 && data <= 0x7a) {
|
||||
uart_putc(data);
|
||||
} else {
|
||||
// uart_putc('.');
|
||||
uart_putc("0123456789ABCDEF"[data>>4]);
|
||||
uart_putc("0123456789ABCDEF"[data&15]);
|
||||
uart_putc(' ');
|
||||
}
|
||||
// set_avr_bank(3);
|
||||
}
|
||||
spi_none();
|
||||
}
|
||||
while(1);
|
||||
}
|
||||
|
||||
406
src/Makefile
406
src/Makefile
@ -1,14 +1,5 @@
|
||||
# Hey Emacs, this is a -*- makefile -*-
|
||||
|
||||
# Define version number
|
||||
MAJOR = 0
|
||||
MINOR = 0
|
||||
PATCHLEVEL = 1
|
||||
FIX =
|
||||
|
||||
# Forces bootloader version to 0, comment out for release
|
||||
#PRERELEASE =
|
||||
|
||||
#----------------------------------------------------------------------------
|
||||
# WinAVR Makefile Template written by Eric B. Weddington, Joerg Wunsch, et al.
|
||||
#
|
||||
@ -25,7 +16,7 @@ FIX =
|
||||
# Carlos Lamas
|
||||
#
|
||||
#
|
||||
# Extensively modified for sd2iec by Ingo Korb
|
||||
# Extensively modified for sd2iec and later adapted for ARM by Ingo Korb
|
||||
#
|
||||
# To rebuild project do "make clean" then "make all".
|
||||
#----------------------------------------------------------------------------
|
||||
@ -50,62 +41,22 @@ endif
|
||||
# Include the configuration file
|
||||
include $(CONFIG)
|
||||
|
||||
# Set MCU name and length of binary for bootloader
|
||||
# WARNING: Fuse settings not tested!
|
||||
MCU := $(CONFIG_MCU)
|
||||
ifeq ($(MCU),atmega128)
|
||||
BINARY_LENGTH = 0x1f000
|
||||
# EFUSE = 0xff
|
||||
# HFUSE = 0x91
|
||||
# LFUSE = 0xaf
|
||||
else ifeq ($(MCU),atmega1281)
|
||||
BINARY_LENGTH = 0x1f000
|
||||
BOOTLDRSIZE = 0x0800
|
||||
EFUSE = 0xff
|
||||
HFUSE = 0xd2
|
||||
LFUSE = 0xfc
|
||||
else ifeq ($(MCU),atmega2561)
|
||||
BINARY_LENGTH = 0x3f000
|
||||
EFUSE = 0xfd
|
||||
HFUSE = 0x93
|
||||
LFUSE = 0xef
|
||||
else ifeq ($(MCU),atmega644)
|
||||
BINARY_LENGTH = 0xf000
|
||||
EFUSE = 0xfd
|
||||
HFUSE = 0x91
|
||||
# LFUSE = 0xef
|
||||
LFUSE = 0xaf
|
||||
else ifeq ($(MCU),atmega644p)
|
||||
BINARY_LENGTH = 0xf000
|
||||
EFUSE = 0xfd
|
||||
HFUSE = 0x91
|
||||
LFUSE = 0xef
|
||||
else
|
||||
.PHONY: nochip
|
||||
nochip:
|
||||
@echo '=============================================================='
|
||||
@echo 'No known target chip specified.'
|
||||
@echo
|
||||
@echo 'Please edit the Makefile.'
|
||||
@exit 1
|
||||
endif
|
||||
|
||||
# Directory for all generated files
|
||||
OBJDIR := obj-$(CONFIG_MCU:atmega%=m%)$(CONFIGSUFFIX)
|
||||
OBJDIR := obj$(CONFIGSUFFIX)
|
||||
|
||||
# Output format. (can be srec, ihex, binary)
|
||||
FORMAT = ihex
|
||||
FORMAT = binary
|
||||
|
||||
# Linker script
|
||||
LINKERSCRIPT = lpc1754.ld
|
||||
|
||||
# Target file name (without extension).
|
||||
TARGET = $(OBJDIR)/sd2snes
|
||||
|
||||
# List C source files here. (C dependencies are automatically generated.)
|
||||
SRC = main.c ff.c utils.c led.c diskio.c sdcard.c spi.c crc7.c snes.c fpga.c memory.c crc16.c fileops.c fpga_spi.c smc.c filetypes.c
|
||||
|
||||
ifeq ($(CONFIG_UART_DEBUG),y)
|
||||
SRC += uart.c
|
||||
endif
|
||||
# List C source files here. (C dependencies are automatically generated.)
|
||||
SRC = main.c
|
||||
|
||||
|
||||
# List Assembler source files here.
|
||||
# Make them always end in a capital .S. Files ending in a lowercase .s
|
||||
@ -114,19 +65,17 @@ endif
|
||||
# Even though the DOS/Win* filesystem matches both .s and .S the same,
|
||||
# it will preserve the spelling of the filenames, and gcc itself does
|
||||
# care about how the name is spelled on its command-line.
|
||||
ASRC =
|
||||
ASRC = startup.S
|
||||
|
||||
|
||||
# Optimization level, can be [0, 1, 2, 3, s].
|
||||
# 0 = turn off optimization. s = optimize for size.
|
||||
# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
|
||||
# Use s -mcall-prologues when you really need size...
|
||||
#OPT = 2
|
||||
OPT = s
|
||||
#OPT = 3 -finline-functions
|
||||
|
||||
# Debugging format.
|
||||
# Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
|
||||
# AVR Studio 4.10 requires dwarf-2.
|
||||
# AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
|
||||
DEBUG = dwarf-2
|
||||
|
||||
|
||||
@ -146,52 +95,33 @@ CSTANDARD = -std=gnu99
|
||||
|
||||
|
||||
# Place -D or -U options here
|
||||
CDEFS = -DF_CPU=$(CONFIG_MCU_FREQ)UL
|
||||
CDEFS = #-DF_CPU=$(CONFIG_MCU_FREQ)UL
|
||||
|
||||
# Calculate bootloader version
|
||||
ifdef PRERELEASE
|
||||
BOOT_VERSION := 0
|
||||
else
|
||||
BOOT_VERSION := 0x$(MAJOR)$(MINOR)$(PATCHLEVEL)$(FIX)
|
||||
endif
|
||||
|
||||
# Create a version number define
|
||||
ifdef PATCHLEVEL
|
||||
ifdef FIX
|
||||
PROGRAMVERSION := $(MAJOR).$(MINOR).$(PATCHLEVEL).$(FIX)
|
||||
else
|
||||
PROGRAMVERSION := $(MAJOR).$(MINOR).$(PATCHLEVEL)
|
||||
BOOT_VERSION := $(BOOT_VERSION)0
|
||||
endif
|
||||
else
|
||||
PROGRAMVERSION := $(MAJOR).$(MINOR)
|
||||
BOOT_VERSION := $(BOOT_VERSION)00
|
||||
endif
|
||||
|
||||
ifdef PRERELEASE
|
||||
PROGRAMVERSION := $(PROGRAMVERSION)$(PRERELEASE)
|
||||
endif
|
||||
|
||||
LONGVERSION := -$(CONFIG_MCU:atmega%=m%)$(CONFIGSUFFIX)
|
||||
|
||||
CDEFS += -DVERSION=\"$(PROGRAMVERSION)\" -DLONGVERSION=\"$(LONGVERSION)\"
|
||||
|
||||
# Place -I options here
|
||||
CINCS =
|
||||
|
||||
|
||||
# CPU-specific flags
|
||||
ifndef CPUFLAGS
|
||||
CPUFLAGS := -mthumb -mcpu=cortex-m3
|
||||
endif
|
||||
|
||||
ifndef ARCH
|
||||
ARCH := arm-none-eabi
|
||||
endif
|
||||
|
||||
# Define programs and commands.
|
||||
# CC must be defined here to generate the correct CFLAGS
|
||||
SHELL = sh
|
||||
CC = avr-gcc
|
||||
OBJCOPY = avr-objcopy
|
||||
OBJDUMP = avr-objdump
|
||||
SIZE = avr-size
|
||||
NM = avr-nm
|
||||
AVRDUDE = avrdude
|
||||
CC = $(ARCH)-gcc
|
||||
OBJCOPY = $(ARCH)-objcopy
|
||||
OBJDUMP = $(ARCH)-objdump
|
||||
SIZE = $(ARCH)-size
|
||||
NM = $(ARCH)-nm
|
||||
REMOVE = rm -f
|
||||
COPY = cp
|
||||
WINSHELL = cmd
|
||||
AWK = awk
|
||||
|
||||
|
||||
#---------------- Compiler Options ----------------
|
||||
@ -204,34 +134,14 @@ WINSHELL = cmd
|
||||
CFLAGS = -g$(DEBUG)
|
||||
CFLAGS += $(CDEFS) $(CINCS)
|
||||
CFLAGS += -O$(OPT)
|
||||
CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
|
||||
CFLAGS += $(CPUFLAGS) -nostartfiles
|
||||
#CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
|
||||
CFLAGS += -Wall -Wstrict-prototypes -Werror
|
||||
CFLAGS += -Wa,-adhlns=$(OBJDIR)/$(<:.c=.lst)
|
||||
#CFLAGS += -Wa,-adhlns=$(OBJDIR)/$(<:.c=.lst)
|
||||
CFLAGS += -I$(OBJDIR)
|
||||
CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
|
||||
CFLAGS += $(CSTANDARD)
|
||||
CFLAGS += -ffunction-sections -fdata-sections
|
||||
#CFLAGS += -mcall-prologues
|
||||
|
||||
# these are needed for GCC 4.3.2, which is more aggressive at inlining
|
||||
# gcc-4.2 knows one of those, but it tends to increase code size
|
||||
ifeq ($(shell $(CC) --version|gawk -f gcctest.awk),YES)
|
||||
CFLAGS += --param inline-call-cost=3
|
||||
CFLAGS += -fno-inline-small-functions
|
||||
CFLAGS += -fno-move-loop-invariants
|
||||
CFLAGS += -fno-split-wide-types
|
||||
|
||||
# turn these on to keep the functions in the same order as in the source
|
||||
# this is only useful if you're looking at disassembly
|
||||
#CFLAGS += -fno-reorder-blocks
|
||||
#CFLAGS += -fno-reorder-blocks-and-partition
|
||||
#CFLAGS += -fno-reorder-functions
|
||||
#CFLAGS += -fno-toplevel-reorder
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_STACK_TRACKING),y)
|
||||
CFLAGS += -finstrument-functions
|
||||
endif
|
||||
|
||||
|
||||
#---------------- Assembler Options ----------------
|
||||
@ -241,50 +151,7 @@ endif
|
||||
# for use in COFF files, additional information about filenames
|
||||
# and function names needs to be present in the assembler source
|
||||
# files -- see avr-libc docs [FIXME: not yet described there]
|
||||
ASFLAGS = -Wa,-adhlns=$(OBJDIR)/$(<:.S=.lst),-gstabs -I$(OBJDIR)
|
||||
|
||||
|
||||
#---------------- Library Options ----------------
|
||||
# Minimalistic printf version
|
||||
PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
|
||||
|
||||
# Floating point printf version (requires MATH_LIB = -lm below)
|
||||
PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
|
||||
|
||||
# If this is left blank, then it will use the Standard printf version.
|
||||
PRINTF_LIB =
|
||||
#PRINTF_LIB = $(PRINTF_LIB_MIN)
|
||||
#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
|
||||
|
||||
|
||||
# Minimalistic scanf version
|
||||
SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
|
||||
|
||||
# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
|
||||
SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
|
||||
|
||||
# If this is left blank, then it will use the Standard scanf version.
|
||||
SCANF_LIB =
|
||||
#SCANF_LIB = $(SCANF_LIB_MIN)
|
||||
#SCANF_LIB = $(SCANF_LIB_FLOAT)
|
||||
|
||||
|
||||
MATH_LIB = -lm
|
||||
|
||||
|
||||
|
||||
#---------------- External Memory Options ----------------
|
||||
|
||||
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
|
||||
# used for variables (.data/.bss) and heap (malloc()).
|
||||
#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
|
||||
|
||||
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
|
||||
# only used for heap (malloc()).
|
||||
#EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
|
||||
|
||||
EXTMEMOPTS =
|
||||
|
||||
ASFLAGS = $(CPUFLAGS) -Wa,-adhlns=$(OBJDIR)/$(<:.S=.lst),-gstabs -I$(OBJDIR)
|
||||
|
||||
|
||||
#---------------- Linker Options ----------------
|
||||
@ -292,105 +159,13 @@ EXTMEMOPTS =
|
||||
# -Map: create map file
|
||||
# --cref: add cross reference to map file
|
||||
LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
|
||||
LDFLAGS += $(EXTMEMOPTS)
|
||||
LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
|
||||
LDFLAGS += -T$(LINKERSCRIPT)
|
||||
LDFLAGS += -Wl,--gc-sections
|
||||
ifeq ($(CONFIG_LINKER_RELAX),y)
|
||||
LDFLAGS += -Wl,-O9,--relax
|
||||
endif
|
||||
|
||||
|
||||
|
||||
#---------------- Programming Options (avrdude) ----------------
|
||||
|
||||
# Programming hardware: alf avr910 avrisp bascom bsd
|
||||
# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500 stk500v2
|
||||
#
|
||||
# Type: avrdude -c ?
|
||||
# to get a full listing.
|
||||
#
|
||||
AVRDUDE_PROGRAMMER = dragon_isp
|
||||
|
||||
# com1 = serial port. Use lpt1 to connect to parallel port.
|
||||
AVRDUDE_PORT = usb # programmer connected to serial device
|
||||
|
||||
AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
|
||||
# AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
|
||||
|
||||
# Allow fuse overrides from the config file
|
||||
ifdef CONFIG_EFUSE
|
||||
EFUSE := CONFIG_EFUSE
|
||||
endif
|
||||
ifdef CONFIG_HFUSE
|
||||
HFUSE := CONFIG_HFUSE
|
||||
endif
|
||||
ifdef CONFIG_LFUSE
|
||||
LFUSE := CONFIG_LFUSE
|
||||
endif
|
||||
|
||||
# Calculate command line arguments for fuses
|
||||
AVRDUDE_WRITE_FUSES :=
|
||||
ifdef EFUSE
|
||||
AVRDUDE_WRITE_FUSES += -U efuse:w:$(EFUSE):m
|
||||
endif
|
||||
ifdef HFUSE
|
||||
AVRDUDE_WRITE_FUSES += -U hfuse:w:$(HFUSE):m
|
||||
endif
|
||||
ifdef LFUSE
|
||||
AVRDUDE_WRITE_FUSES += -U lfuse:w:$(LFUSE):m
|
||||
endif
|
||||
|
||||
|
||||
# Uncomment the following if you want avrdude's erase cycle counter.
|
||||
# Note that this counter needs to be initialized first using -Yn,
|
||||
# see avrdude manual.
|
||||
AVRDUDE_ERASE_COUNTER = -y
|
||||
|
||||
# Uncomment the following if you do /not/ wish a verification to be
|
||||
# performed after programming the device.
|
||||
#AVRDUDE_NO_VERIFY = -V
|
||||
|
||||
# Increase verbosity level. Please use this when submitting bug
|
||||
# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
|
||||
# to submit bug reports.
|
||||
#AVRDUDE_VERBOSE = -v -v
|
||||
|
||||
AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
|
||||
AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
|
||||
AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
|
||||
AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
|
||||
|
||||
|
||||
|
||||
#---------------- Debugging Options ----------------
|
||||
|
||||
# For simulavr only - target MCU frequency.
|
||||
DEBUG_MFREQ = $(CONFIG_MCU_FREQ)
|
||||
|
||||
# Set the DEBUG_UI to either gdb or insight.
|
||||
# DEBUG_UI = gdb
|
||||
DEBUG_UI = insight
|
||||
|
||||
# Set the debugging back-end to either avarice, simulavr.
|
||||
DEBUG_BACKEND = avarice
|
||||
#DEBUG_BACKEND = simulavr
|
||||
|
||||
# GDB Init Filename.
|
||||
GDBINIT_FILE = __avr_gdbinit
|
||||
|
||||
# When using avarice settings for the JTAG
|
||||
JTAG_DEV = /dev/com1
|
||||
|
||||
# Debugging port used to communicate between GDB / avarice / simulavr.
|
||||
DEBUG_PORT = 4242
|
||||
|
||||
# Debugging host used to communicate between GDB / avarice / simulavr, normally
|
||||
# just set to localhost unless doing some sort of crazy debugging when
|
||||
# avarice is running on a different computer.
|
||||
DEBUG_HOST = localhost
|
||||
|
||||
|
||||
|
||||
#============================================================================
|
||||
|
||||
|
||||
@ -410,8 +185,8 @@ GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
|
||||
|
||||
# Combine all necessary flags and optional flags.
|
||||
# Add target processor to flags.
|
||||
ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
|
||||
ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS) $(CDEFS)
|
||||
ALL_CFLAGS = -I. $(CFLAGS) $(GENDEPFLAGS)
|
||||
ALL_ASFLAGS = -I. -x assembler-with-cpp $(ASFLAGS) $(CDEFS)
|
||||
|
||||
|
||||
|
||||
@ -431,111 +206,38 @@ eep: $(TARGET).eep
|
||||
lss: $(TARGET).lss
|
||||
sym: $(TARGET).sym
|
||||
|
||||
# A little helper target for the maintainer =)
|
||||
copy2card:
|
||||
mount /mnt
|
||||
cp $(TARGET).bin /mnt
|
||||
umount /mnt
|
||||
sync
|
||||
# # A little helper target for the maintainer =)
|
||||
# copy2card:
|
||||
# cp $(TARGET).bin /mbed/hw_LPC1768.bin
|
||||
|
||||
|
||||
# Doxygen output:
|
||||
doxygen:
|
||||
-rm -rf doxyinput
|
||||
mkdir doxyinput
|
||||
cp *.h *.c doxyinput
|
||||
src2doxy.pl doxyinput/*.h doxyinput/*.c
|
||||
doxygen doxygen.conf
|
||||
program: bin
|
||||
utils/lpcchksum $(TARGET).bin
|
||||
openocd -f openocd-usb.cfg -f lpc1754.cfg -f flash.cfg
|
||||
|
||||
debug: bin
|
||||
openocd -f openocd-usb.cfg -f lpc1754.cfg
|
||||
|
||||
# Display size of file.
|
||||
HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
|
||||
ELFSIZE = $(SIZE) -A $(TARGET).elf
|
||||
AVRMEM = avr-mem.sh $(TARGET).elf $(MCU)
|
||||
|
||||
# Program the device.
|
||||
program: bin hex eep
|
||||
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
|
||||
|
||||
# Set fuses of the device
|
||||
fuses: $(CONFIG)
|
||||
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FUSES)
|
||||
|
||||
# Generate avr-gdb config/init file which does the following:
|
||||
# define the reset signal, load the target file, connect to target, and set
|
||||
# a breakpoint at main().
|
||||
gdb-config:
|
||||
@$(REMOVE) $(GDBINIT_FILE)
|
||||
@echo define reset >> $(GDBINIT_FILE)
|
||||
@echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
|
||||
@echo end >> $(GDBINIT_FILE)
|
||||
@echo file $(TARGET).elf >> $(GDBINIT_FILE)
|
||||
@echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE)
|
||||
ifeq ($(DEBUG_BACKEND),simulavr)
|
||||
@echo load >> $(GDBINIT_FILE)
|
||||
endif
|
||||
@echo break main >> $(GDBINIT_FILE)
|
||||
|
||||
debug: gdb-config $(TARGET).elf
|
||||
ifeq ($(DEBUG_BACKEND), avarice)
|
||||
@echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
|
||||
@$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
|
||||
$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
|
||||
@$(WINSHELL) /c pause
|
||||
|
||||
else
|
||||
@$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
|
||||
$(DEBUG_MFREQ) --port $(DEBUG_PORT)
|
||||
endif
|
||||
@$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
|
||||
|
||||
|
||||
|
||||
|
||||
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
|
||||
COFFCONVERT=$(OBJCOPY) --debugging \
|
||||
--change-section-address .data-0x800000 \
|
||||
--change-section-address .bss-0x800000 \
|
||||
--change-section-address .noinit-0x800000 \
|
||||
--change-section-address .eeprom-0x810000
|
||||
|
||||
|
||||
coff: $(TARGET).elf
|
||||
$(COFFCONVERT) -O coff-avr $< $(TARGET).cof
|
||||
|
||||
|
||||
extcoff: $(TARGET).elf
|
||||
$(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
|
||||
|
||||
|
||||
# Generate autoconf.h from config
|
||||
.PRECIOUS : $(OBJDIR)/autoconf.h
|
||||
$(OBJDIR)/autoconf.h: $(CONFIG) | $(OBJDIR)
|
||||
$(E) " CONF2H $(CONFIG)"
|
||||
$(Q)gawk -f conf2h.awk $(CONFIG) > $(OBJDIR)/autoconf.h
|
||||
$(Q)$(AWK) -f conf2h.awk $(CONFIG) > $(OBJDIR)/autoconf.h
|
||||
|
||||
# Create final output files (.hex, .eep) from ELF output file.
|
||||
ifeq ($(CONFIG_BOOTLOADER),y)
|
||||
# Create final output files from ELF output file.
|
||||
$(OBJDIR)/%.bin: $(OBJDIR)/%.elf
|
||||
$(E) " BIN $@"
|
||||
$(Q)$(OBJCOPY) -O binary -R .eeprom $< $@
|
||||
$(E) " CRCGEN $@"
|
||||
-$(Q)crcgen-new $@ $(BINARY_LENGTH) $(CONFIG_BOOT_DEVID) $(BOOT_VERSION)
|
||||
$(E) " COPY $(CONFIG_HARDWARE_NAME)-firmware-$(PROGRAMVERSION).bin"
|
||||
$(Q)$(COPY) $@ $(OBJDIR)/$(CONFIG_HARDWARE_NAME)-firmware-$(PROGRAMVERSION).bin
|
||||
else
|
||||
$(OBJDIR)/%.bin: $(OBJDIR)/%.elf
|
||||
$(E) " BIN $@"
|
||||
$(Q)$(OBJCOPY) -O binary -R .eeprom $< $@
|
||||
endif
|
||||
|
||||
$(Q)$(OBJCOPY) -O binary $< $@
|
||||
|
||||
$(OBJDIR)/%.hex: $(OBJDIR)/%.elf
|
||||
$(E) " HEX $@"
|
||||
$(Q)$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
|
||||
|
||||
$(OBJDIR)/%.eep: $(OBJDIR)/%.elf
|
||||
-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
|
||||
--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
|
||||
$(Q)$(OBJCOPY) -O $(FORMAT) $< $@
|
||||
|
||||
# Create extended listing file from ELF output file.
|
||||
$(OBJDIR)/%.lss: $(OBJDIR)/%.elf
|
||||
@ -548,7 +250,6 @@ $(OBJDIR)/%.sym: $(OBJDIR)/%.elf
|
||||
$(E)$(NM) -n $< > $@
|
||||
|
||||
|
||||
|
||||
# Link: create ELF output file from object files.
|
||||
.SECONDARY : $(TARGET).elf
|
||||
.PRECIOUS : $(OBJ)
|
||||
@ -589,8 +290,6 @@ clean_list :
|
||||
$(E) " CLEAN"
|
||||
$(Q)$(REMOVE) $(TARGET).hex
|
||||
$(Q)$(REMOVE) $(TARGET).bin
|
||||
$(Q)$(REMOVE) $(TARGET).eep
|
||||
$(Q)$(REMOVE) $(TARGET).cof
|
||||
$(Q)$(REMOVE) $(TARGET).elf
|
||||
$(Q)$(REMOVE) $(TARGET).map
|
||||
$(Q)$(REMOVE) $(TARGET).sym
|
||||
@ -602,18 +301,11 @@ clean_list :
|
||||
$(Q)$(REMOVE) $(CSRC:.c=.s)
|
||||
$(Q)$(REMOVE) $(CSRC:.c=.d)
|
||||
$(Q)$(REMOVE) .dep/*
|
||||
$(Q)$(REMOVE) -rf codedoc
|
||||
$(Q)$(REMOVE) -rf doxyinput
|
||||
-$(Q)rmdir $(OBJDIR)
|
||||
|
||||
# Include the dependency files.
|
||||
-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
|
||||
|
||||
# Manual dependency for the assembler module
|
||||
# $(OBJDIR)/fastloader-ll.o: config.h $(OBJDIR)/autoconf.h
|
||||
|
||||
# Listing of phony targets.
|
||||
.PHONY : all begin finish end sizebefore sizeafter gccversion \
|
||||
build elf hex eep lss sym coff extcoff \
|
||||
clean clean_list program debug gdb-config doxygen
|
||||
|
||||
.PHONY : all begin finish end sizebefore sizeafter \
|
||||
build elf hex lss sym clean clean_list
|
||||
|
||||
48
src/config
48
src/config
@ -1,47 +1 @@
|
||||
# This may not look like it, but it's a -*- makefile -*-
|
||||
# sd2snes - SD card based universal cartridge for the SNES
|
||||
# Copyright (C) 2009-2010 Maximilian Rehkopf <otakon@gmx.net>
|
||||
#
|
||||
# This file was adapted from sd2iec, written by Ingo Korb.
|
||||
# Original disclaimer follows:
|
||||
#
|
||||
# sd2iec - SD/MMC to Commodore serial bus interface/controller
|
||||
# Copyright (C) 2007-2009 Ingo Korb <ingo@akana.de>
|
||||
#
|
||||
# Inspiration and low-level SD/MMC access based on code from MMC2IEC
|
||||
# by Lars Pontoppidan et al., see sdcard.c|h and config.h.
|
||||
#
|
||||
# FAT filesystem access based on code from ChaN, see tff.c|h.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; version 2 of the License only.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
#
|
||||
#
|
||||
# This file is included in the main sd2iec Makefile and also parsed
|
||||
# into autoconf.h.
|
||||
|
||||
CONFIG_MCU=atmega644
|
||||
CONFIG_LINKER_RELAX=n
|
||||
CONFIG_MCU_FREQ=12288000
|
||||
CONFIG_BOOTLOADER=y
|
||||
CONFIG_BOOT_DEVID=0x4e534453
|
||||
CONFIG_UART_DEBUG=y
|
||||
CONFIG_UART_BAUDRATE=384000
|
||||
CONFIG_UART_BUF_SHIFT=7
|
||||
CONFIG_HARDWARE_NAME=sd2snes
|
||||
CONFIG_SD_AUTO_RETRIES=10
|
||||
#CONFIG_SD_DATACRC=y
|
||||
CONFIG_EEPROM_SIZE=512
|
||||
CONFIG_EEPROM_OFFSET=512
|
||||
CONFIG_MAX_PARTITIONS=1
|
||||
#CONFIG_DEADLOCK_ME_HARDER=y
|
||||
# empty config file
|
||||
462
src/main.c
462
src/main.c
@ -1,400 +1,84 @@
|
||||
/* sd2snes - SD card based universal cartridge for the SNES
|
||||
Copyright (C) 2009-2010 Maximilian Rehkopf <otakon@gmx.net>
|
||||
AVR firmware portion
|
||||
/* The classic embedded version of "Hello World": A blinking LED */
|
||||
#include <arm/NXP/LPC17xx/LPC17xx.h>
|
||||
|
||||
Inspired by and based on code from sd2iec, written by Ingo Korb et al.
|
||||
See sdcard.c|h, config.h.
|
||||
#define BV(x) (1<<(x))
|
||||
#define BITBAND(addr,bit) (*((volatile unsigned long *)(((unsigned long)&(addr)-0x20000000)*32 + bit*4 + 0x22000000)))
|
||||
#define PLL_MULT(x) ((x)&0x7fff)
|
||||
#define PLL_PREDIV(x) (((x)<<16)&0xff0000)
|
||||
#define CLKSRC_MAINOSC (1)
|
||||
#define PLLE0 (1<<0)
|
||||
#define PLLC0 (1<<1)
|
||||
#define PLOCK0 (1<<26)
|
||||
#define OSCEN (1<<5)
|
||||
#define OSCSTAT (1<<6)
|
||||
#define EMC0TOGGLE (3<<4)
|
||||
#define MR0R (1<<1)
|
||||
#define FLASH5C (0x403A)
|
||||
#define PCTIM3 (1<<23)
|
||||
|
||||
FAT file system access based on code by ChaN, Jim Brain, Ingo Korb,
|
||||
see ff.c|h.
|
||||
#define PCLK_CCLK(x) (1<<(x))
|
||||
#define PCLK_CCLK4(x) (0)
|
||||
#define PCLK_CCLK8(x) (3<<(x))
|
||||
#define PCLK_CCLK2(x) (2<<(x))
|
||||
#define PCLK_TIMER3 (14)
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; version 2 of the License only.
|
||||
int i;
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
int main(void) {
|
||||
LPC_GPIO2->FIODIR = BV(0) | BV(1) | BV(2);
|
||||
LPC_GPIO1->FIODIR = 0;
|
||||
uint32_t p1;
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
/* setup PLL0 */
|
||||
LPC_SC->FLASHCFG=FLASH5C;
|
||||
LPC_SC->PLL0CON &= ~PLLC0;
|
||||
LPC_SC->PLL0FEED=0xaa;
|
||||
LPC_SC->PLL0FEED=0x55;
|
||||
LPC_SC->PLL0CON &= ~PLLE0;
|
||||
LPC_SC->PLL0FEED=0xaa;
|
||||
LPC_SC->PLL0FEED=0x55;
|
||||
|
||||
main.c: initialization and flow
|
||||
/* PLL is disabled and disconnected. setup PCLK NOW as it cannot be changed
|
||||
reliably with PLL0 connected.
|
||||
see:
|
||||
http://ics.nxp.com/support/documents/microcontrollers/pdf/errata.lpc1754.pdf
|
||||
*/
|
||||
LPC_SC->PCLKSEL1=PCLK_CCLK(PCLK_TIMER3);
|
||||
|
||||
/* continue with PLL0 setup */
|
||||
LPC_SC->SCS=OSCEN;
|
||||
while(!(LPC_SC->SCS&OSCSTAT));
|
||||
LPC_SC->CLKSRCSEL=CLKSRC_MAINOSC;
|
||||
LPC_SC->PLL0CFG=PLL_MULT(428)|PLL_PREDIV(18);
|
||||
LPC_SC->PLL0FEED=0xaa;
|
||||
LPC_SC->PLL0FEED=0x55;
|
||||
LPC_SC->PLL0CON |= PLLE0;
|
||||
LPC_SC->PLL0FEED=0xaa;
|
||||
LPC_SC->PLL0FEED=0x55;
|
||||
LPC_SC->CCLKCFG=5;
|
||||
while(!(LPC_SC->PLL0STAT&PLOCK0));
|
||||
LPC_SC->PLL0CON |= PLLC0;
|
||||
LPC_SC->PLL0FEED=0xaa;
|
||||
LPC_SC->PLL0FEED=0x55;
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <avr/boot.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <avr/power.h>
|
||||
#include <avr/wdt.h>
|
||||
#include <util/delay.h>
|
||||
#include "config.h"
|
||||
#include "diskio.h"
|
||||
#include "ff.h"
|
||||
#include "led.h"
|
||||
/* #include "timer.h" */
|
||||
#include "fpga.h"
|
||||
#include "uart.h"
|
||||
#include "ustring.h"
|
||||
#include "utils.h"
|
||||
#include "snes.h"
|
||||
#include "fileops.h"
|
||||
#include "memory.h"
|
||||
#include "fpga_spi.h"
|
||||
#include "spi.h"
|
||||
#include "avrcompat.h"
|
||||
#include "filetypes.h"
|
||||
#include "sdcard.h"
|
||||
/* setup timer (fpga clk) */
|
||||
LPC_SC->PCONP |= PCTIM3; /* enable power */
|
||||
LPC_TIM3->CTCR=0;
|
||||
LPC_TIM3->EMR=EMC0TOGGLE;
|
||||
LPC_PINCON->PINSEL0=(0x3<<20);
|
||||
LPC_TIM3->MCR=MR0R;
|
||||
LPC_TIM3->MR0=1;
|
||||
LPC_TIM3->TCR=1;
|
||||
|
||||
|
||||
void writetest(void) {
|
||||
// HERE BE LIONS, GET IN THE CAR
|
||||
char teststring[58];
|
||||
while(1) {
|
||||
sram_writeblock((void*)"Testtext of DOOM!!1! 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ", SRAM_SCRATCHPAD+0x20, 58);
|
||||
sram_readblock((void*)teststring, SRAM_SCRATCHPAD+0x20, 58);
|
||||
teststring[57]=0;
|
||||
dprintf("%s\n", teststring);
|
||||
}
|
||||
// END OF LIONS
|
||||
}
|
||||
|
||||
|
||||
void memtest(void) {
|
||||
/* HERE BE DRAGONS */
|
||||
uint32_t dbg_i;
|
||||
for(dbg_i=0; dbg_i < 65536; dbg_i++) {
|
||||
sram_writeshort((uint16_t)dbg_i&0xffff, dbg_i*2);
|
||||
}
|
||||
save_sram((uint8_t*)"/sd2snes/memtest", 0x20000, 0);
|
||||
set_pwr_led(0);
|
||||
while(1);
|
||||
/* END OF DRAGONS */
|
||||
}
|
||||
|
||||
|
||||
/* Make sure the watchdog is disabled as soon as possible */
|
||||
/* Copy this code to your bootloader if you use one and your */
|
||||
/* MCU doesn't disable the WDT after reset! */
|
||||
void get_mcusr(void) \
|
||||
__attribute__((naked)) \
|
||||
__attribute__((section(".init3")));
|
||||
void get_mcusr(void)
|
||||
{
|
||||
MCUSR = 0;
|
||||
wdt_disable();
|
||||
}
|
||||
|
||||
#ifdef CONFIG_MEMPOISON
|
||||
void poison_memory(void) \
|
||||
__attribute__((naked)) \
|
||||
__attribute__((section(".init1")));
|
||||
void poison_memory(void) {
|
||||
register uint16_t i;
|
||||
register uint8_t *ptr;
|
||||
|
||||
asm("clr r1\n");
|
||||
/* There is no RAMSTARt variable =( */
|
||||
if (RAMEND > 2048 && RAMEND < 4096) {
|
||||
/* 2K memory */
|
||||
ptr = (void *)RAMEND-2047;
|
||||
for (i=0;i<2048;i++)
|
||||
ptr[i] = 0x55;
|
||||
} else if (RAMEND > 4096 && RAMEND < 8192) {
|
||||
/* 4K memory */
|
||||
ptr = (void *)RAMEND-4095;
|
||||
for (i=0;i<4096;i++)
|
||||
ptr[i] = 0x55;
|
||||
} else {
|
||||
/* Assume 8K memory */
|
||||
ptr = (void *)RAMEND-8191;
|
||||
for (i=0;i<8192;i++)
|
||||
ptr[i] = 0x55;
|
||||
while (1) {
|
||||
p1 = LPC_GPIO1->FIOPIN;
|
||||
BITBAND(LPC_GPIO2->FIOPIN, 0) = (p1 & BV(29))>>29;
|
||||
BITBAND(LPC_GPIO2->FIOSET, 2) = 1;
|
||||
for (i=0;i<100000;i++)
|
||||
__NOP();
|
||||
BITBAND(LPC_GPIO2->FIOCLR, 2) = 1;
|
||||
for (i=0;i<100000;i++)
|
||||
__NOP();
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 1)
|
||||
int main(void) __attribute__((OS_main));
|
||||
#endif
|
||||
int main(void) {
|
||||
#if defined __AVR_ATmega644__ || defined __AVR_ATmega644P__ || defined __AVR_ATmega2561__
|
||||
asm volatile("in r24, %0\n"
|
||||
"ori r24, 0x80\n"
|
||||
"out %0, r24\n"
|
||||
"out %0, r24\n"
|
||||
:
|
||||
: "I" (_SFR_IO_ADDR(MCUCR))
|
||||
: "r24"
|
||||
);
|
||||
#elif defined __AVR_ATmega32__
|
||||
asm volatile ("in r24, %0\n"
|
||||
"ori r24, 0x80\n"
|
||||
"out %0, r24\n"
|
||||
"out %0, r24\n"
|
||||
:
|
||||
: "I" (_SFR_IO_ADDR(MCUCSR))
|
||||
: "r24"
|
||||
);
|
||||
#elif defined __AVR_ATmega128__ || defined __AVR_ATmega1281__
|
||||
/* Just assume that JTAG doesn't hurt us on the m128 */
|
||||
#else
|
||||
# error Unknown chip!
|
||||
#endif
|
||||
|
||||
#ifdef CLOCK_PRESCALE
|
||||
clock_prescale_set(CLOCK_PRESCALE);
|
||||
#endif
|
||||
set_pwr_led(0);
|
||||
set_busy_led(1);
|
||||
spi_none();
|
||||
snes_reset(1);
|
||||
uart_init();
|
||||
sei();
|
||||
_delay_ms(100);
|
||||
disk_init();
|
||||
snes_init();
|
||||
/* timer_init(); */
|
||||
uart_puts_P(PSTR("\nsd2snes " VERSION));
|
||||
uart_putcrlf();
|
||||
|
||||
file_init();
|
||||
FATFS fatfs;
|
||||
f_mount(0,&fatfs);
|
||||
uart_putc('W');
|
||||
fpga_init();
|
||||
fpga_pgm((uint8_t*)"/sd2snes/main.bit");
|
||||
_delay_ms(100);
|
||||
set_pwr_led(1);
|
||||
fpga_spi_init();
|
||||
uart_putc('!');
|
||||
_delay_ms(100);
|
||||
|
||||
restart:
|
||||
set_avr_ena(0);
|
||||
snes_reset(1);
|
||||
|
||||
*fs_path=0;
|
||||
uint16_t saved_dir_id;
|
||||
get_db_id(&saved_dir_id);
|
||||
|
||||
uint16_t mem_dir_id = sram_readshort(SRAM_DIRID);
|
||||
uint32_t mem_magic = sram_readlong(SRAM_SCRATCHPAD);
|
||||
|
||||
while(0) {
|
||||
SD_SPI_OFFLOAD=0;
|
||||
set_avr_addr(0L);
|
||||
sd_read(0, file_buf, 0L, 1);
|
||||
uart_trace((void*)file_buf, 0, 0x200);
|
||||
// sram_writeblock((void*)file_buf, 0, 0x200);
|
||||
// sram_hexdump(0,0x200);
|
||||
uart_putc('+');
|
||||
}
|
||||
/* here be strange monsters */
|
||||
while(0){
|
||||
// uint16_t hurdur1 = 0, hurdur2 = 0;
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
spiTransferByte(0x00);
|
||||
PORTB |= _BV(PB2);
|
||||
DDRB |= _BV(PB2);
|
||||
PORTB &= ~_BV(PB2);
|
||||
DDRB &= ~_BV(PB7); // tristate SCK
|
||||
PORTB |= _BV(PB2);
|
||||
DDRB &= ~_BV(PB2);
|
||||
while(!(PINB & _BV(PB2))) {
|
||||
}
|
||||
DDRB |= _BV(PB7);
|
||||
_delay_ms(1);
|
||||
// dprintf("hurdur1=%d hurdur2=%d\n", hurdur1, hurdur2);
|
||||
}
|
||||
if((mem_magic != 0x12345678) || (mem_dir_id != saved_dir_id)) {
|
||||
uint16_t curr_dir_id = scan_dir(fs_path, 0, 0); // generate files footprint
|
||||
dprintf("curr dir id = %x\n", curr_dir_id);
|
||||
if((get_db_id(&saved_dir_id) != FR_OK) // no database?
|
||||
|| saved_dir_id != curr_dir_id) { // files changed? // XXX
|
||||
dprintf("saved dir id = %x\n", saved_dir_id);
|
||||
dprintf("rebuilding database...");
|
||||
_delay_ms(50);
|
||||
curr_dir_id = scan_dir(fs_path, 1, 0); // then rebuild database
|
||||
sram_writeblock(&curr_dir_id, SRAM_DB_ADDR, 2);
|
||||
uint32_t endaddr, direndaddr;
|
||||
sram_readblock(&endaddr, SRAM_DB_ADDR+4, 4);
|
||||
sram_readblock(&direndaddr, SRAM_DB_ADDR+8, 4);
|
||||
dprintf("%lx %lx\n", endaddr, direndaddr);
|
||||
save_sram((uint8_t*)"/sd2snes/sd2snes.db", endaddr-SRAM_DB_ADDR, SRAM_DB_ADDR);
|
||||
save_sram((uint8_t*)"/sd2snes/sd2snes.dir", direndaddr-(SRAM_DIR_ADDR), SRAM_DIR_ADDR);
|
||||
dprintf("done\n");
|
||||
// sram_hexdump(SRAM_DB_ADDR, 0x400);
|
||||
} else {
|
||||
dprintf("saved dir id = %x\n", saved_dir_id);
|
||||
dprintf("different card, consistent db, loading db...\n");
|
||||
load_sram((uint8_t*)"/sd2snes/sd2snes.db", SRAM_DB_ADDR);
|
||||
load_sram((uint8_t*)"/sd2snes/sd2snes.dir", SRAM_DIR_ADDR);
|
||||
}
|
||||
// save_sram((uint8_t*)"/debug.smc", 0x400000, 0);
|
||||
// uart_putc('[');
|
||||
// load_sram((uint8_t*)"/test.srm", SRAM_SAVE_ADDR);
|
||||
// uart_putc(']');
|
||||
|
||||
sram_writeshort(curr_dir_id, SRAM_DIRID);
|
||||
sram_writelong(0x12345678, SRAM_SCRATCHPAD);
|
||||
} else {
|
||||
dprintf("same card, loading db...\n");
|
||||
load_sram((uint8_t*)"/sd2snes/sd2snes.db", SRAM_DB_ADDR);
|
||||
load_sram((uint8_t*)"/sd2snes/sd2snes.dir", SRAM_DIR_ADDR);
|
||||
}
|
||||
|
||||
led_pwm();
|
||||
|
||||
// sram_hexdump(0, 0x200);
|
||||
uart_putc('(');
|
||||
load_rom((uint8_t*)"/sd2snes/menu.bin", SRAM_MENU_ADDR);
|
||||
set_rom_mask(0x3fffff); // force mirroring off
|
||||
set_avr_mapper(0x7); // menu mapper XXX
|
||||
uart_putc(')');
|
||||
uart_putcrlf();
|
||||
// sram_hexdump(0x7ffff0, 0x10);
|
||||
// sram_hexdump(0, 0x400);
|
||||
// save_sram((uint8_t*)"/sd2snes/dump", 65536, 0);
|
||||
|
||||
sram_writebyte(0, SRAM_CMD_ADDR);
|
||||
|
||||
set_busy_led(0);
|
||||
set_avr_ena(1);
|
||||
|
||||
_delay_ms(100);
|
||||
uart_puts_P(PSTR("SNES GO!\r\n"));
|
||||
snes_reset(0);
|
||||
// writetest();
|
||||
/* snes_reset(1);
|
||||
set_avr_ena(0);
|
||||
led_std();
|
||||
set_busy_led(1);
|
||||
save_sram((uint8_t*)"/sd2snes/dump", 65536, SRAM_MENU_ADDR);
|
||||
set_busy_led(0);
|
||||
set_avr_ena(1);
|
||||
snes_reset(0); */
|
||||
uint8_t cmd = 0;
|
||||
|
||||
while(!sram_reliable());
|
||||
while(!cmd) {
|
||||
cmd=menu_main_loop();
|
||||
switch(cmd) {
|
||||
case 0x01: // SNES_CMD_LOADROM:
|
||||
get_selected_name(file_lfn);
|
||||
_delay_ms(100);
|
||||
// snes_reset(1);
|
||||
set_avr_ena(0);
|
||||
dprintf("Selected name: %s\n", file_lfn);
|
||||
load_rom(file_lfn, SRAM_ROM_ADDR);
|
||||
// save_sram((uint8_t*)"/sd2snes/test.smc", romprops.romsize_bytes, 0);
|
||||
if(romprops.ramsize_bytes) {
|
||||
strcpy(strrchr((char*)file_lfn, (int)'.'), ".srm");
|
||||
dprintf("SRM file: %s\n", file_lfn);
|
||||
load_sram(file_lfn, SRAM_SAVE_ADDR);
|
||||
} else {
|
||||
dprintf("No SRAM\n");
|
||||
}
|
||||
set_avr_ena(1);
|
||||
snes_reset(1);
|
||||
_delay_ms(100);
|
||||
snes_reset(0);
|
||||
break;
|
||||
default:
|
||||
dprintf("unknown cmd: %d\n", cmd);
|
||||
cmd=0; // unknown cmd: stay in loop
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
dprintf("cmd was %x, going to snes main loop\n", cmd);
|
||||
led_std();
|
||||
cmd=0;
|
||||
uint8_t snes_reset_prev=0, snes_reset_now=0, snes_reset_state=0;
|
||||
uint16_t reset_count=0;
|
||||
while(fpga_test() == FPGA_TEST_TOKEN) {
|
||||
snes_reset_now=get_snes_reset();
|
||||
if(snes_reset_now) {
|
||||
if(!snes_reset_prev) {
|
||||
dprintf("RESET BUTTON DOWN\n");
|
||||
snes_reset_state=1;
|
||||
// reset reset counter
|
||||
reset_count=0;
|
||||
}
|
||||
} else {
|
||||
if(snes_reset_prev) {
|
||||
dprintf("RESET BUTTON UP\n");
|
||||
snes_reset_state=0;
|
||||
}
|
||||
}
|
||||
if(snes_reset_state) {
|
||||
_delay_ms(10);
|
||||
reset_count++;
|
||||
} else {
|
||||
sram_reliable();
|
||||
snes_main_loop();
|
||||
}
|
||||
if(reset_count>100) {
|
||||
reset_count=0;
|
||||
led_std();
|
||||
set_avr_ena(0);
|
||||
snes_reset(1);
|
||||
_delay_ms(100);
|
||||
if(romprops.ramsize_bytes && fpga_test() == 0xa5) {
|
||||
set_busy_led(1);
|
||||
save_sram(file_lfn, romprops.ramsize_bytes, SRAM_SAVE_ADDR);
|
||||
set_busy_led(0);
|
||||
}
|
||||
_delay_ms(1000);
|
||||
set_busy_led(1);
|
||||
goto restart;
|
||||
}
|
||||
snes_reset_prev = snes_reset_now;
|
||||
}
|
||||
// FPGA TEST FAIL. PANIC.
|
||||
led_panic();
|
||||
|
||||
/* HERE BE LIONS */
|
||||
while(1) {
|
||||
set_avr_addr(0x600000);
|
||||
spi_fpga();
|
||||
spiTransferByte(0x81); // read w/ increment... hopefully
|
||||
spiTransferByte(0x00); // 1 dummy read
|
||||
uart_putcrlf();
|
||||
uint8_t buff[21];
|
||||
for(uint8_t cnt=0; cnt<21; cnt++) {
|
||||
uint8_t data=spiTransferByte(0x00);
|
||||
buff[cnt]=data;
|
||||
}
|
||||
for(uint8_t cnt=0; cnt<21; cnt++) {
|
||||
uint8_t data = buff[cnt];
|
||||
_delay_ms(2);
|
||||
if(data>=0x20 && data <= 0x7a) {
|
||||
uart_putc(data);
|
||||
} else {
|
||||
// uart_putc('.');
|
||||
uart_putc("0123456789ABCDEF"[data>>4]);
|
||||
uart_putc("0123456789ABCDEF"[data&15]);
|
||||
uart_putc(' ');
|
||||
}
|
||||
// set_avr_bank(3);
|
||||
}
|
||||
spi_none();
|
||||
}
|
||||
while(1);
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user