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| author | Josh Kropf <josh@slashdev.ca> | 2010-05-25 14:06:52 (GMT) |
|---|---|---|
| committer | Josh Kropf <josh@slashdev.ca> | 2010-05-25 14:06:52 (GMT) |
| commit | 35aef5771de9fd4dccadae4ec363a3255e6760ba (patch) | |
| tree | e5d00a66ae425316dba9f8652df0efb59ed613ad | |
| download | ps3-teensy-hid-35aef5771de9fd4dccadae4ec363a3255e6760ba.zip ps3-teensy-hid-35aef5771de9fd4dccadae4ec363a3255e6760ba.tar.gz ps3-teensy-hid-35aef5771de9fd4dccadae4ec363a3255e6760ba.tar.bz2 | |
| -rw-r--r-- | ps3-teensy-hid-v1.brd | bin | 0 -> 11442 bytes | |||
| -rw-r--r-- | ps3-teensy-hid-v1.sch | bin | 0 -> 9893 bytes | |||
| -rw-r--r-- | ps3-teensy-hid-v11.brd | bin | 0 -> 12425 bytes | |||
| -rw-r--r-- | ps3-teensy-hid-v11.sch | bin | 0 -> 10060 bytes | |||
| -rw-r--r-- | ps3-teensy-hid.hex | 113 | ||||
| -rw-r--r-- | src/LICENSE | 674 | ||||
| -rw-r--r-- | src/Makefile | 614 | ||||
| -rw-r--r-- | src/gamepad.c | 206 | ||||
| -rw-r--r-- | src/usb_gamepad.c | 594 | ||||
| -rw-r--r-- | src/usb_gamepad.h | 134 |
10 files changed, 2335 insertions, 0 deletions
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diff --git a/src/LICENSE b/src/LICENSE new file mode 100644 index 0000000..94a9ed0 --- /dev/null +++ b/src/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. By contrast, +the GNU General Public License is intended to guarantee your freedom to +share and change all versions of a program--to make sure it remains free +software for all its users. We, the Free Software Foundation, use the +GNU General Public License for most of our software; it applies also to +any other work released this way by its authors. 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No Surrender of Others' Freedom. + + If conditions are imposed on you (whether by court order, agreement or +otherwise) that contradict the conditions of this License, they do not +excuse you from the conditions of this License. If you cannot convey a +covered work so as to satisfy simultaneously your obligations under this +License and any other pertinent obligations, then as a consequence you may +not convey it at all. For example, if you agree to terms that obligate you +to collect a royalty for further conveying from those to whom you convey +the Program, the only way you could satisfy both those terms and this +License would be to refrain entirely from conveying the Program. + + 13. Use with the GNU Affero General Public License. + + Notwithstanding any other provision of this License, you have +permission to link or combine any covered work with a work licensed +under version 3 of the GNU Affero General Public License into a single +combined work, and to convey the resulting work. The terms of this +License will continue to apply to the part which is the covered work, +but the special requirements of the GNU Affero General Public License, +section 13, concerning interaction through a network will apply to the +combination as such. + + 14. Revised Versions of this License. + + The Free Software Foundation may publish revised and/or new versions of +the GNU General Public License from time to time. Such new versions will +be similar in spirit to the present version, but may differ in detail to +address new problems or concerns. + + Each version is given a distinguishing version number. If the +Program specifies that a certain numbered version of the GNU General +Public License "or any later version" applies to it, you have the +option of following the terms and conditions either of that numbered +version or of any later version published by the Free Software +Foundation. If the Program does not specify a version number of the +GNU General Public License, you may choose any version ever published +by the Free Software Foundation. + + If the Program specifies that a proxy can decide which future +versions of the GNU General Public License can be used, that proxy's +public statement of acceptance of a version permanently authorizes you +to choose that version for the Program. + + Later license versions may give you additional or different +permissions. However, no additional obligations are imposed on any +author or copyright holder as a result of your choosing to follow a +later version. + + 15. Disclaimer of Warranty. + + THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY +APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT +HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY +OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM +IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF +ALL NECESSARY SERVICING, REPAIR OR CORRECTION. + + 16. Limitation of Liability. + + IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS +THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY +GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE +USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF +DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD +PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), +EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF +SUCH DAMAGES. + + 17. Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + <one line to give the program's name and a brief idea of what it does.> + Copyright (C) <year> <name of author> + + 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, either version 3 of the License, or + (at your option) any later version. + + 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, see <http://www.gnu.org/licenses/>. + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + <program> Copyright (C) <year> <name of author> + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +<http://www.gnu.org/licenses/>. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +<http://www.gnu.org/philosophy/why-not-lgpl.html>. diff --git a/src/Makefile b/src/Makefile new file mode 100644 index 0000000..b27f096 --- /dev/null +++ b/src/Makefile @@ -0,0 +1,614 @@ +# Hey Emacs, this is a -*- makefile -*- +#---------------------------------------------------------------------------- +# WinAVR Makefile Template written by Eric B. Weddington, Jörg 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 +# +#---------------------------------------------------------------------------- +# On command line: +# +# make all = Make software. +# +# make clean = Clean out built project files. +# +# make coff = Convert ELF to AVR COFF. +# +# make extcoff = Convert ELF to AVR Extended COFF. +# +# make program = Download the hex file to the device, using avrdude. +# Please customize the avrdude settings below first! +# +# make debug = Start either simulavr or avarice as specified for debugging, +# with avr-gdb or avr-insight as the front end for debugging. +# +# make filename.s = Just compile filename.c into the assembler code only. +# +# make filename.i = Create a preprocessed source file for use in submitting +# bug reports to the GCC project. +# +# To rebuild project do "make clean" then "make all". +#---------------------------------------------------------------------------- + + +# Target file name (without extension). +TARGET = gamepad + + +# List C source files here. (C dependencies are automatically generated.) +SRC = $(TARGET).c \ + usb_gamepad.c + + +# MCU name, you MUST set this to match the board you are using +# type "make clean" after changing this, so all files will be rebuilt +# +#MCU = at90usb162 # Teensy 1.0 +#MCU = atmega32u4 # Teensy 2.0 +#MCU = at90usb646 # Teensy++ 1.0 +MCU = at90usb1286 # Teensy++ 2.0 + + +# Processor frequency. +# Normally the first thing your program should do is set the clock prescaler, +# so your program will run at the correct speed. You should also set this +# variable to same clock speed. The _delay_ms() macro uses this, and many +# examples use this variable to calculate timings. Do not add a "UL" here. +F_CPU = 16000000 + + +# Output format. (can be srec, ihex, binary) +FORMAT = ihex + + +# Object files directory +# To put object files in current directory, use a dot (.), do NOT make +# this an empty or blank macro! +OBJDIR = . + + +# List C++ source files here. (C dependencies are automatically generated.) +CPPSRC = + + +# 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.) +OPT = s + + +# 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 for C sources +CDEFS = -DF_CPU=$(F_CPU)UL + + +# Place -D or -U options here for ASM sources +ADEFS = -DF_CPU=$(F_CPU) + + +# Place -D or -U options here for C++ sources +CPPDEFS = -DF_CPU=$(F_CPU)UL +#CPPDEFS += -D__STDC_LIMIT_MACROS +#CPPDEFS += -D__STDC_CONSTANT_MACROS + + + +#---------------- Compiler Options C ---------------- +# -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 += $(CDEFS) +CFLAGS += -O$(OPT) +CFLAGS += -funsigned-char +CFLAGS += -funsigned-bitfields +CFLAGS += -ffunction-sections +CFLAGS += -fpack-struct +CFLAGS += -fshort-enums +CFLAGS += -Wall +CFLAGS += -Wstrict-prototypes +#CFLAGS += -mshort-calls +#CFLAGS += -fno-unit-at-a-time +#CFLAGS += -Wundef +#CFLAGS += -Wunreachable-code +#CFLAGS += -Wsign-compare +CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst) +CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS)) +CFLAGS += $(CSTANDARD) + + +#---------------- Compiler Options C++ ---------------- +# -g*: generate debugging information +# -O*: optimization level +# -f...: tuning, see GCC manual and avr-libc documentation +# -Wall...: warning level +# -Wa,...: tell GCC to pass this to the assembler. +# -adhlns...: create assembler listing +CPPFLAGS = -g$(DEBUG) +CPPFLAGS += $(CPPDEFS) +CPPFLAGS += -O$(OPT) +CPPFLAGS += -funsigned-char +CPPFLAGS += -funsigned-bitfields +CPPFLAGS += -fpack-struct +CPPFLAGS += -fshort-enums +CPPFLAGS += -fno-exceptions +CPPFLAGS += -Wall +CPPFLAGS += -Wundef +#CPPFLAGS += -mshort-calls +#CPPFLAGS += -fno-unit-at-a-time +#CPPFLAGS += -Wstrict-prototypes +#CPPFLAGS += -Wunreachable-code +#CPPFLAGS += -Wsign-compare +CPPFLAGS += -Wa,-adhlns=$(<:%.cpp=$(OBJDIR)/%.lst) +CPPFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS)) +#CPPFLAGS += $(CSTANDARD) + + +#---------------- Assembler Options ---------------- +# -Wa,...: tell GCC to pass this to the assembler. +# -adhlns: 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] +# -listing-cont-lines: Sets the maximum number of continuation lines of hex +# dump that will be displayed for a given single line of source input. +ASFLAGS = $(ADEFS) -Wa,-adhlns=$(<:%.S=$(OBJDIR)/%.lst),-gstabs,--listing-cont-lines=100 + + +#---------------- 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 = $(SCANF_LIB_FLOAT) + + +MATH_LIB = -lm + + +# List any extra directories to look for libraries here. +# Each directory must be seperated by a space. +# Use forward slashes for directory separators. +# For a directory that has spaces, enclose it in quotes. +EXTRALIBDIRS = + + + +#---------------- External Memory Options ---------------- + +# 64 KB of external RAM, starting after internal RAM (ATmega128!), +# used for variables (.data/.bss) and heap (malloc()). +#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff + +# 64 KB of external RAM, starting after internal RAM (ATmega128!), +# only used for heap (malloc()). +#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff + +EXTMEMOPTS = + + + +#---------------- Linker Options ---------------- +# -Wl,...: tell GCC to pass this to linker. +# -Map: create map file +# --cref: add cross reference to map file +LDFLAGS = -Wl,-Map=$(TARGET).map,--cref +LDFLAGS += -Wl,--relax +LDFLAGS += -Wl,--gc-sections +LDFLAGS += $(EXTMEMOPTS) +LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS)) +LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB) +#LDFLAGS += -T linker_script.x + + + +#---------------- Programming Options (avrdude) ---------------- + +# Programming hardware +# Type: avrdude -c ? +# to get a full listing. +# +AVRDUDE_PROGRAMMER = stk500v2 + +# com1 = serial port. Use lpt1 to connect to parallel port. +AVRDUDE_PORT = com1 # programmer connected to serial device + +AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex +#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep + + +# 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 = $(F_CPU) + +# 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 + + + +#============================================================================ + + +# Define programs and commands. +SHELL = sh +CC = avr-gcc +OBJCOPY = avr-objcopy +OBJDUMP = avr-objdump +SIZE = avr-size +AR = avr-ar rcs +NM = avr-nm +AVRDUDE = avrdude +REMOVE = rm -f +REMOVEDIR = rm -rf +COPY = cp +WINSHELL = cmd + + +# Define Messages +# English +MSG_ERRORS_NONE = Errors: none +MSG_BEGIN = -------- begin -------- +MSG_END = -------- end -------- +MSG_SIZE_BEFORE = Size before: +MSG_SIZE_AFTER = Size after: +MSG_COFF = Converting to AVR COFF: +MSG_EXTENDED_COFF = Converting to AVR Extended COFF: +MSG_FLASH = Creating load file for Flash: +MSG_EEPROM = Creating load file for EEPROM: +MSG_EXTENDED_LISTING = Creating Extended Listing: +MSG_SYMBOL_TABLE = Creating Symbol Table: +MSG_LINKING = Linking: +MSG_COMPILING = Compiling C: +MSG_COMPILING_CPP = Compiling C++: +MSG_ASSEMBLING = Assembling: +MSG_CLEANING = Cleaning project: +MSG_CREATING_LIBRARY = Creating library: + + + + +# Define all object files. +OBJ = $(SRC:%.c=$(OBJDIR)/%.o) $(CPPSRC:%.cpp=$(OBJDIR)/%.o) $(ASRC:%.S=$(OBJDIR)/%.o) + +# Define all listing files. +LST = $(SRC:%.c=$(OBJDIR)/%.lst) $(CPPSRC:%.cpp=$(OBJDIR)/%.lst) $(ASRC:%.S=$(OBJDIR)/%.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) $(GENDEPFLAGS) +ALL_CPPFLAGS = -mmcu=$(MCU) -I. -x c++ $(CPPFLAGS) $(GENDEPFLAGS) +ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS) + + + + + +# Default target. +all: begin gccversion sizebefore build sizeafter end + +# Change the build target to build a HEX file or a library. +build: elf hex eep lss sym +#build: lib + + +elf: $(TARGET).elf +hex: $(TARGET).hex +eep: $(TARGET).eep +lss: $(TARGET).lss +sym: $(TARGET).sym +LIBNAME=lib$(TARGET).a +lib: $(LIBNAME) + + + +# Eye candy. +# AVR Studio 3.x does not check make's exit code but relies on +# the following magic strings to be generated by the compile job. +begin: + @echo + @echo $(MSG_BEGIN) + +end: + @echo $(MSG_END) + @echo + + +# Display size of file. +HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex +#ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf +ELFSIZE = $(SIZE) $(TARGET).elf + +sizebefore: + @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \ + 2>/dev/null; echo; fi + +sizeafter: + @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \ + 2>/dev/null; echo; fi + + + +# Display compiler version information. +gccversion : + @$(CC) --version + + + +# Program the device. +program: $(TARGET).hex $(TARGET).eep + $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM) + + +# Generate avr-gdb config/init file which does the following: +# define the reset signal, load the target file, connect to target, and set +# a breakpoint at main(). +gdb-config: + @$(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 +COFFCONVERT += --change-section-address .data-0x800000 +COFFCONVERT += --change-section-address .bss-0x800000 +COFFCONVERT += --change-section-address .noinit-0x800000 +COFFCONVERT += --change-section-address .eeprom-0x810000 + + + +coff: $(TARGET).elf + @echo + @echo $(MSG_COFF) $(TARGET).cof + $(COFFCONVERT) -O coff-avr $< $(TARGET).cof + + +extcoff: $(TARGET).elf + @echo + @echo $(MSG_EXTENDED_COFF) $(TARGET).cof + $(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof + + + +# Create final output files (.hex, .eep) from ELF output file. +%.hex: %.elf + @echo + @echo $(MSG_FLASH) $@ + $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature $< $@ + +%.eep: %.elf + @echo + @echo $(MSG_EEPROM) $@ + -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \ + --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT) $< $@ || exit 0 + +# Create extended listing file from ELF output file. +%.lss: %.elf + @echo + @echo $(MSG_EXTENDED_LISTING) $@ + $(OBJDUMP) -h -S -z $< > $@ + +# Create a symbol table from ELF output file. +%.sym: %.elf + @echo + @echo $(MSG_SYMBOL_TABLE) $@ + $(NM) -n $< > $@ + + + +# Create library from object files. +.SECONDARY : $(TARGET).a +.PRECIOUS : $(OBJ) +%.a: $(OBJ) + @echo + @echo $(MSG_CREATING_LIBRARY) $@ + $(AR) $@ $(OBJ) + + +# Link: create ELF output file from object files. +.SECONDARY : $(TARGET).elf +.PRECIOUS : $(OBJ) +%.elf: $(OBJ) + @echo + @echo $(MSG_LINKING) $@ + $(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS) + + +# Compile: create object files from C source files. +$(OBJDIR)/%.o : %.c + @echo + @echo $(MSG_COMPILING) $< + $(CC) -c $(ALL_CFLAGS) $< -o $@ + + +# Compile: create object files from C++ source files. +$(OBJDIR)/%.o : %.cpp + @echo + @echo $(MSG_COMPILING_CPP) $< + $(CC) -c $(ALL_CPPFLAGS) $< -o $@ + + +# Compile: create assembler files from C source files. +%.s : %.c + $(CC) -S $(ALL_CFLAGS) $< -o $@ + + +# Compile: create assembler files from C++ source files. +%.s : %.cpp + $(CC) -S $(ALL_CPPFLAGS) $< -o $@ + + +# Assemble: create object files from assembler source files. +$(OBJDIR)/%.o : %.S + @echo + @echo $(MSG_ASSEMBLING) $< + $(CC) -c $(ALL_ASFLAGS) $< -o $@ + + +# Create preprocessed source for use in sending a bug report. +%.i : %.c + $(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ + + +# Target: clean project. +clean: begin clean_list end + +clean_list : + @echo + @echo $(MSG_CLEANING) + $(REMOVE) $(TARGET).hex + $(REMOVE) $(TARGET).eep + $(REMOVE) $(TARGET).cof + $(REMOVE) $(TARGET).elf + $(REMOVE) $(TARGET).map + $(REMOVE) $(TARGET).sym + $(REMOVE) $(TARGET).lss + $(REMOVE) $(SRC:%.c=$(OBJDIR)/%.o) + $(REMOVE) $(SRC:%.c=$(OBJDIR)/%.lst) + $(REMOVE) $(SRC:.c=.s) + $(REMOVE) $(SRC:.c=.d) + $(REMOVE) $(SRC:.c=.i) + $(REMOVEDIR) .dep + + +# Create object files directory +$(shell mkdir $(OBJDIR) 2>/dev/null) + + +# Include the dependency files. +-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*) + + +# 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 diff --git a/src/gamepad.c b/src/gamepad.c new file mode 100644 index 0000000..20e7062 --- /dev/null +++ b/src/gamepad.c @@ -0,0 +1,206 @@ +/* PS3 Teensy HID Gamepad + * Copyright (C) 2010 Josh Kropf <josh@slashdev.ca> + * + * Based on works by: + * grunskis <http://github.com/grunskis/gamepad> + * Toodles <http://forums.shoryuken.com/showthread.php?t=131230> + * + * 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, either version 3 of the License, or + * (at your option) any later version. + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +/* Keyboard example for Teensy USB Development Board + * http://www.pjrc.com/teensy/usb_keyboard.html + * Copyright (c) 2008 PJRC.COM, LLC + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include <avr/io.h> +#include <util/delay.h> +#include "usb_gamepad.h" + +#define LED_CONFIG (DDRD |= (1<<6)) +#define LED_OFF (PORTD &= ~(1<<6)) +#define LED_ON (PORTD |= (1<<6)) + +#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n)) + +#define BTN_CROSS (1 << 0) +#define BTN_SQUARE (1 << 1) +#define BTN_TRIANGLE (1 << 2) +#define BTN_CIRCLE (1 << 3) + +#define BTN_R1 (1 << 4) +#define BTN_R2 (1 << 5) +#define BTN_L1 (1 << 6) +#define BTN_L2 (1 << 7) + +#define PORT1 PORTB +#define PORT1_PINS (BTN_CROSS | BTN_SQUARE | BTN_TRIANGLE | \ + BTN_CIRCLE | BTN_R1 | BTN_R2 | BTN_L1 | BTN_L2) + +#define BTN_CROSS_ON (PINB & BTN_CROSS) == 0 +#define BTN_SQUARE_ON (PINB & BTN_SQUARE) == 0 +#define BTN_TRIANGLE_ON (PINB & BTN_TRIANGLE) == 0 +#define BTN_CIRCLE_ON (PINB & BTN_CIRCLE) == 0 + +#define BTN_R1_ON (PINB & BTN_R1) == 0 +#define BTN_R2_ON (PINB & BTN_R2) == 0 +#define BTN_L1_ON (PINB & BTN_L1) == 0 +#define BTN_L2_ON (PINB & BTN_L2) == 0 + +#define JOYSTICK_RIGHT (1 << 0) +#define JOYSTICK_LEFT (1 << 1) +#define JOYSTICK_UP (1 << 2) +#define JOYSTICK_DOWN (1 << 3) + +#define BTN_START (1 << 4) +#define BTN_SELECT (1 << 5) +#define BTN_PS (1 << 7) + +#define PORT2 PORTD +#define PORT2_PINS (JOYSTICK_LEFT | JOYSTICK_RIGHT | JOYSTICK_UP | \ + JOYSTICK_DOWN | BTN_START | BTN_SELECT | BTN_PS) + +#define JOYSTICK_RIGHT_ON (PIND & JOYSTICK_RIGHT) == 0 +#define JOYSTICK_LEFT_ON (PIND & JOYSTICK_LEFT) == 0 +#define JOYSTICK_UP_ON (PIND & JOYSTICK_UP) == 0 +#define JOYSTICK_DOWN_ON (PIND & JOYSTICK_DOWN) == 0 + +#define BTN_START_ON (PIND & BTN_START) == 0 +#define BTN_SELECT_ON (PIND & BTN_SELECT) == 0 +#define BTN_PS_ON (PIND & BTN_PS) == 0 + +int main(void) { + // set for 16 MHz clock + CPU_PRESCALE(0); + + // enable pull-ups on button & joystick pins + PORT1 = PORT1_PINS; + PORT2 = PORT2_PINS; + + LED_CONFIG; + LED_ON; // power up led on startup for 1 sec + + // Initialize the USB, and then wait for the host to set configuration. + // If the Teensy is powered without a PC connected to the USB port, + // this will wait forever. + usb_init(); + while (!usb_configured()) /* wait */ ; + + // Wait an extra second for the PC's operating system to load drivers + // and do whatever it does to actually be ready for input + _delay_ms(1000); + + LED_OFF; + + while (1) { + usb_gamepad_reset_state(); + + if (JOYSTICK_UP_ON) { + gamepad_state.direction = 0; + if (JOYSTICK_LEFT_ON) { + gamepad_state.direction = 7; + } else if (JOYSTICK_RIGHT_ON) { + gamepad_state.direction = 1; + } + } else { + if (JOYSTICK_DOWN_ON) { + gamepad_state.direction = 4; + if (JOYSTICK_LEFT_ON) { + gamepad_state.direction = 5; + } else if (JOYSTICK_RIGHT_ON) { + gamepad_state.direction = 3; + } + } else { + if (JOYSTICK_LEFT_ON) { + gamepad_state.direction = 6; + } else if (JOYSTICK_RIGHT_ON) { + gamepad_state.direction = 2; + } + } + } + + if (BTN_CROSS_ON) { + gamepad_state.cross_btn = 1; + gamepad_state.cross_axis = 0xff; + } + + if (BTN_SQUARE_ON) { + gamepad_state.square_btn = 1; + gamepad_state.square_axis = 0xff; + } + + if (BTN_TRIANGLE_ON) { + gamepad_state.triangle_btn = 1; + gamepad_state.triangle_axis = 0xff; + } + + if (BTN_CIRCLE_ON) { + gamepad_state.circle_btn = 1; + gamepad_state.circle_axis = 0xff; + } + + if (BTN_R1_ON) { + gamepad_state.r1_btn = 1; + gamepad_state.r1_axis = 0xff; + } + + if (BTN_R2_ON) { + gamepad_state.r2_btn = 1; + gamepad_state.r2_axis = 0xff; + } + + if (BTN_L1_ON) { + gamepad_state.l1_btn = 1; + gamepad_state.l1_axis = 0xff; + } + + if (BTN_L2_ON) { + gamepad_state.l2_btn = 1; + gamepad_state.l2_axis = 0xff; + } + + if (BTN_START_ON) { + gamepad_state.start_btn = 1; + } + + if (BTN_SELECT_ON) { + gamepad_state.select_btn = 1; + } + + if (BTN_PS_ON) { + gamepad_state.ps_btn = 1; + } + + usb_gamepad_send(); + } +} + diff --git a/src/usb_gamepad.c b/src/usb_gamepad.c new file mode 100644 index 0000000..b96ee6d --- /dev/null +++ b/src/usb_gamepad.c @@ -0,0 +1,594 @@ +/* PS3 Teensy HID Gamepad + * Copyright (C) 2010 Josh Kropf <josh@slashdev.ca> + * + * Based on works by: + * grunskis <http://github.com/grunskis/gamepad> + * Toodles <http://forums.shoryuken.com/showthread.php?t=131230> + * + * 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, either version 3 of the License, or + * (at your option) any later version. + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +/* USB Keyboard Example for Teensy USB Development Board + * http://www.pjrc.com/teensy/usb_keyboard.html + * Copyright (c) 2009 PJRC.COM, LLC + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#define USB_GAMEPAD_PRIVATE_INCLUDE + +#include "usb_gamepad.h" + +/************************************************************************** + * + * Configurable Options + * + **************************************************************************/ + +// You can change these to give your code its own name. +//#define STR_MANUFACTURER L"Slashdev" +//#define STR_PRODUCT L"PS3 Gamepad" +#define STR_MANUFACTURER L"SEGA" +#define STR_PRODUCT L"VIRTUA STICK High Grade" + + +// Mac OS-X and Linux automatically load the correct drivers. On +// Windows, even though the driver is supplied by Microsoft, an +// INF file is needed to load the driver. These numbers need to +// match the INF file. +#define VENDOR_ID 0x10C4 +#define PRODUCT_ID 0x82C0 + + +// USB devices are supposed to implment a halt feature, which is +// rarely (if ever) used. If you comment this line out, the halt +// code will be removed, saving 102 bytes of space (gcc 4.3.0). +// This is not strictly USB compliant, but works with all major +// operating systems. +//#define SUPPORT_ENDPOINT_HALT + + + +/************************************************************************** + * + * Endpoint Buffer Configuration + * + **************************************************************************/ + +#define ENDPOINT0_SIZE 64 + +#define GAMEPAD_INTERFACE 0 +#define GAMEPAD_ENDPOINT 1 +#define GAMEPAD_SIZE 64 +#define GAMEPAD_BUFFER EP_DOUBLE_BUFFER + +static const uint8_t PROGMEM endpoint_config_table[] = { + 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(GAMEPAD_SIZE) | GAMEPAD_BUFFER, + 0, + 0, + 0 +}; + + +/************************************************************************** + * + * Descriptor Data + * + **************************************************************************/ + +// Descriptors are the data that your computer reads when it auto-detects +// this USB device (called "enumeration" in USB lingo). The most commonly +// changed items are editable at the top of this file. Changing things +// in here should only be done by those who've read chapter 9 of the USB +// spec and relevant portions of any USB class specifications! + + +static uint8_t PROGMEM device_descriptor[] = { + 18, // bLength + 1, // bDescriptorType + 0x10, 0x01, // bcdUSB + 0, // bDeviceClass + 0, // bDeviceSubClass + 0, // bDeviceProtocol + ENDPOINT0_SIZE, // bMaxPacketSize0 + LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor + LSB(PRODUCT_ID), MSB(PRODUCT_ID), // idProduct + 0x00, 0x01, // bcdDevice + 1, // iManufacturer + 2, // iProduct + 0, // iSerialNumber + 1 // bNumConfigurations +}; + +static uint8_t PROGMEM gamepad_hid_report_desc[] = { + 0x05, 0x01, // USAGE_PAGE (Generic Desktop) + 0x09, 0x05, // USAGE (Gamepad) + 0xa1, 0x01, // COLLECTION (Application) + 0x15, 0x00, // LOGICAL_MINIMUM (0) + 0x25, 0x01, // LOGICAL_MAXIMUM (1) + 0x35, 0x00, // PHYSICAL_MINIMUM (0) + 0x45, 0x01, // PHYSICAL_MAXIMUM (1) + 0x75, 0x01, // REPORT_SIZE (1) + 0x95, 0x0d, // REPORT_COUNT (13) + 0x05, 0x09, // USAGE_PAGE (Button) + 0x19, 0x01, // USAGE_MINIMUM (Button 1) + 0x29, 0x0d, // USAGE_MAXIMUM (Button 13) + 0x81, 0x02, // INPUT (Data,Var,Abs) + 0x95, 0x03, // REPORT_COUNT (3) + 0x81, 0x01, // INPUT (Cnst,Ary,Abs) + 0x05, 0x01, // USAGE_PAGE (Generic Desktop) + 0x25, 0x07, // LOGICAL_MAXIMUM (7) + 0x46, 0x3b, 0x01, // PHYSICAL_MAXIMUM (315) + 0x75, 0x04, // REPORT_SIZE (4) + 0x95, 0x01, // REPORT_COUNT (1) + 0x65, 0x14, // UNIT (Eng Rot:Angular Pos) + 0x09, 0x39, // USAGE (Hat switch) + 0x81, 0x42, // INPUT (Data,Var,Abs,Null) + 0x65, 0x00, // UNIT (None) + 0x95, 0x01, // REPORT_COUNT (1) + 0x81, 0x01, // INPUT (Cnst,Ary,Abs) + 0x26, 0xff, 0x00, // LOGICAL_MAXIMUM (255) + 0x46, 0xff, 0x00, // PHYSICAL_MAXIMUM (255) + 0x09, 0x30, // USAGE (X) + 0x09, 0x31, // USAGE (Y) + 0x09, 0x32, // USAGE (Z) + 0x09, 0x35, // USAGE (Rz) + 0x75, 0x08, // REPORT_SIZE (8) + 0x95, 0x04, // REPORT_COUNT (4) + 0x81, 0x02, // INPUT (Data,Var,Abs) + 0x06, 0x00, 0xff, // USAGE_PAGE (Vendor Specific) + 0x09, 0x20, // Unknown + 0x09, 0x21, // Unknown + 0x09, 0x22, // Unknown + 0x09, 0x23, // Unknown + 0x09, 0x24, // Unknown + 0x09, 0x25, // Unknown + 0x09, 0x26, // Unknown + 0x09, 0x27, // Unknown + 0x09, 0x28, // Unknown + 0x09, 0x29, // Unknown + 0x09, 0x2a, // Unknown + 0x09, 0x2b, // Unknown + 0x95, 0x0c, // REPORT_COUNT (12) + 0x81, 0x02, // INPUT (Data,Var,Abs) + 0x0a, 0x21, 0x26, // Unknown + 0x95, 0x08, // REPORT_COUNT (8) + 0xb1, 0x02, // FEATURE (Data,Var,Abs) + 0xc0 // END_COLLECTION +}; + + +#define CONFIG1_DESC_SIZE (9+9+9+7) +#define GAMEPAD_HID_DESC_OFFSET (9+9) +static uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = { + // configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10 + 9, // bLength; + 2, // bDescriptorType; + LSB(CONFIG1_DESC_SIZE), // wTotalLength + MSB(CONFIG1_DESC_SIZE), + 1, // bNumInterfaces + 1, // bConfigurationValue + 0, // iConfiguration + 0x80, // bmAttributes + 50, // bMaxPower + // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 + 9, // bLength + 4, // bDescriptorType + GAMEPAD_INTERFACE, // bInterfaceNumber + 0, // bAlternateSetting + 1, // bNumEndpoints + 0x03, // bInterfaceClass (0x03 = HID) + 0x00, // bInterfaceSubClass (0x00 = No Boot) + 0x00, // bInterfaceProtocol (0x00 = No Protocol) + 0, // iInterface + // HID interface descriptor, HID 1.11 spec, section 6.2.1 + 9, // bLength + 0x21, // bDescriptorType + 0x11, 0x01, // bcdHID + 0, // bCountryCode + 1, // bNumDescriptors + 0x22, // bDescriptorType + sizeof(gamepad_hid_report_desc), // wDescriptorLength + 0, + // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 + 7, // bLength + 5, // bDescriptorType + GAMEPAD_ENDPOINT | 0x80, // bEndpointAddress + 0x03, // bmAttributes (0x03=intr) + GAMEPAD_SIZE, 0, // wMaxPacketSize + 10 // bInterval +}; + +// If you're desperate for a little extra code memory, these strings +// can be completely removed if iManufacturer, iProduct, iSerialNumber +// in the device desciptor are changed to zeros. +struct usb_string_descriptor_struct { + uint8_t bLength; + uint8_t bDescriptorType; + int16_t wString[]; +}; +static struct usb_string_descriptor_struct PROGMEM string0 = { + 4, + 3, + {0x0409} +}; +static struct usb_string_descriptor_struct PROGMEM string1 = { + sizeof(STR_MANUFACTURER), + 3, + STR_MANUFACTURER +}; +static struct usb_string_descriptor_struct PROGMEM string2 = { + sizeof(STR_PRODUCT), + 3, + STR_PRODUCT +}; + +// This table defines which descriptor data is sent for each specific +// request from the host (in wValue and wIndex). +static struct descriptor_list_struct { + uint16_t wValue; + uint16_t wIndex; + const uint8_t *addr; + uint8_t length; +} PROGMEM descriptor_list[] = { + {0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)}, + {0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)}, + {0x2100, GAMEPAD_INTERFACE, config1_descriptor+GAMEPAD_HID_DESC_OFFSET, 9}, + {0x2200, GAMEPAD_INTERFACE, gamepad_hid_report_desc, sizeof(gamepad_hid_report_desc)}, + {0x0300, 0x0000, (const uint8_t *)&string0, 4}, + {0x0301, 0x0409, (const uint8_t *)&string1, sizeof(STR_MANUFACTURER)}, + {0x0302, 0x0409, (const uint8_t *)&string2, sizeof(STR_PRODUCT)} +}; +#define NUM_DESC_LIST (sizeof(descriptor_list)/sizeof(struct descriptor_list_struct)) + + +/************************************************************************** + * + * Variables - these are the only non-stack RAM usage + * + **************************************************************************/ + +// zero when we are not configured, non-zero when enumerated +static volatile uint8_t usb_configuration = 0; + +static gamepad_state_t PROGMEM gamepad_idle_state = { + .triangle_btn = 0, .square_btn = 0, .cross_btn = 0, .circle_btn = 0, + .l1_btn = 0, .r1_btn = 0, .l2_btn = 0, .r2_btn = 0, + .select_btn = 0, .start_btn = 0, .ps_btn = 0, + .direction = 0x08, + .l_x_axis = 0x80, .l_y_axis = 0x80, .r_x_axis = 0x80, .r_y_axis = 0x80, + .unknown = {0x00, 0x00, 0x00, 0x00}, + .circle_axis = 0x00, .cross_axis = 0x00, .square_axis = 0x00, .triangle_axis = 0x00, + .l1_axis = 0x00, .r1_axis = 0x00, .l2_axis = 0x00, .r2_axis = 0x00 +}; + +/* + * Series of bytes that appear in control packets right after the HID + * descriptor is sent to the host. They where discovered by tracing output + * from a Madcatz SF4 Joystick. Sending these bytes makes the PS button work. + */ +static uint8_t PROGMEM magic_init_bytes[] = { + 0x21, 0x26, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00 +}; + +static uint8_t gamepad_idle_config = 0; + +// protocol setting from the host. We use exactly the same report +// either way, so this variable only stores the setting since we +// are required to be able to report which setting is in use. +static uint8_t gamepad_protocol = 1; + +/************************************************************************** + * + * Public Functions - these are the API intended for the user + * + **************************************************************************/ + +// initialize USB +void usb_init(void) { + HW_CONFIG(); + USB_FREEZE(); // enable USB + PLL_CONFIG(); // config PLL + while (!(PLLCSR & (1<<PLOCK))); // wait for PLL lock + USB_CONFIG(); // start USB clock + UDCON = 0; // enable attach resistor + usb_configuration = 0; + UDIEN = (1<<EORSTE)|(1<<SOFE); + sei(); +} + +// return 0 if the USB is not configured, or the configuration +// number selected by the HOST +uint8_t usb_configured(void) { + return usb_configuration; +} + +gamepad_state_t gamepad_state; + +inline void usb_gamepad_reset_state(void) { + memcpy_P(&gamepad_state, &gamepad_idle_state, sizeof(gamepad_state_t)); +} + +int8_t usb_gamepad_send(void) { + uint8_t intr_state, timeout, i; + + if (!usb_configuration) return -1; + intr_state = SREG; + cli(); + UENUM = GAMEPAD_ENDPOINT; + timeout = UDFNUML + 50; + while (1) { + // are we ready to transmit? + if (UEINTX & (1<<RWAL)) break; + SREG = intr_state; + // has the USB gone offline? + if (!usb_configuration) return -1; + // have we waited too long? + if (UDFNUML == timeout) return -1; + // get ready to try checking again + intr_state = SREG; + cli(); + UENUM = GAMEPAD_ENDPOINT; + } + + for (i=0; i<sizeof(gamepad_state_t); i++) { + UEDATX = ((uint8_t*)&gamepad_state)[i]; + } + + UEINTX = 0x3A; + SREG = intr_state; + return 0; +} + +/************************************************************************** + * + * Private Functions - not intended for general user consumption.... + * + **************************************************************************/ + +ISR(USB_GEN_vect) +{ + uint8_t intbits; + + intbits = UDINT; + UDINT = 0; + if (intbits & (1<<EORSTI)) { + UENUM = 0; + UECONX = 1; + UECFG0X = EP_TYPE_CONTROL; + UECFG1X = EP_SIZE(ENDPOINT0_SIZE) | EP_SINGLE_BUFFER; + UEIENX = (1<<RXSTPE); + usb_configuration = 0; + } +} + +// Misc functions to wait for ready and send/receive packets +static inline void usb_wait_in_ready(void) +{ + while (!(UEINTX & (1<<TXINI))) ; +} +static inline void usb_send_in(void) +{ + UEINTX = ~(1<<TXINI); +} +static inline void usb_wait_receive_out(void) +{ + while (!(UEINTX & (1<<RXOUTI))) ; +} +static inline void usb_ack_out(void) +{ + UEINTX = ~(1<<RXOUTI); +} + +// USB Endpoint Interrupt - endpoint 0 is handled here. The +// other endpoints are manipulated by the user-callable +// functions, and the start-of-frame interrupt. +// +ISR(USB_COM_vect) +{ + uint8_t intbits; + const uint8_t *list; + const uint8_t *cfg; + uint8_t i, n, len, en; + uint8_t bmRequestType; + uint8_t bRequest; + uint16_t wValue; + uint16_t wIndex; + uint16_t wLength; + uint16_t desc_val; + const uint8_t *desc_addr; + uint8_t desc_length; + + UENUM = 0; + intbits = UEINTX; + if (intbits & (1<<RXSTPI)) { + bmRequestType = UEDATX; + bRequest = UEDATX; + wValue = UEDATX; + wValue |= (UEDATX << 8); + wIndex = UEDATX; + wIndex |= (UEDATX << 8); + wLength = UEDATX; + wLength |= (UEDATX << 8); + UEINTX = ~((1<<RXSTPI) | (1<<RXOUTI) | (1<<TXINI)); + if (bRequest == GET_DESCRIPTOR) { + list = (const uint8_t *)descriptor_list; + for (i=0; ; i++) { + if (i >= NUM_DESC_LIST) { + UECONX = (1<<STALLRQ)|(1<<EPEN); //stall + return; + } + desc_val = pgm_read_word(list); + if (desc_val != wValue) { + list += sizeof(struct descriptor_list_struct); + continue; + } + list += 2; + desc_val = pgm_read_word(list); + if (desc_val != wIndex) { + list += sizeof(struct descriptor_list_struct)-2; + continue; + } + list += 2; + desc_addr = (const uint8_t *)pgm_read_word(list); + list += 2; + desc_length = pgm_read_byte(list); + break; + } + len = (wLength < 256) ? wLength : 255; + if (len > desc_length) len = desc_length; + do { + // wait for host ready for IN packet + do { + i = UEINTX; + } while (!(i & ((1<<TXINI)|(1<<RXOUTI)))); + if (i & (1<<RXOUTI)) return; // abort + // send IN packet + n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE; + for (i = n; i; i--) { + UEDATX = pgm_read_byte(desc_addr++); + } + len -= n; + usb_send_in(); + } while (len || n == ENDPOINT0_SIZE); + return; + } + if (bRequest == SET_ADDRESS) { + usb_send_in(); + usb_wait_in_ready(); + UDADDR = wValue | (1<<ADDEN); + return; + } + if (bRequest == SET_CONFIGURATION && bmRequestType == 0) { + usb_configuration = wValue; + usb_send_in(); + cfg = endpoint_config_table; + for (i=1; i<5; i++) { + UENUM = i; + en = pgm_read_byte(cfg++); + UECONX = en; + if (en) { + UECFG0X = pgm_read_byte(cfg++); + UECFG1X = pgm_read_byte(cfg++); + } + } + UERST = 0x1E; + UERST = 0; + return; + } + if (bRequest == GET_CONFIGURATION && bmRequestType == 0x80) { + usb_wait_in_ready(); + UEDATX = usb_configuration; + usb_send_in(); + return; + } + + if (bRequest == GET_STATUS) { + usb_wait_in_ready(); + i = 0; + #ifdef SUPPORT_ENDPOINT_HALT + if (bmRequestType == 0x82) { + UENUM = wIndex; + if (UECONX & (1<<STALLRQ)) i = 1; + UENUM = 0; + } + #endif + UEDATX = i; + UEDATX = 0; + usb_send_in(); + return; + } + #ifdef SUPPORT_ENDPOINT_HALT + if ((bRequest == CLEAR_FEATURE || bRequest == SET_FEATURE) + && bmRequestType == 0x02 && wValue == 0) { + i = wIndex & 0x7F; + if (i >= 1 && i <= MAX_ENDPOINT) { + usb_send_in(); + UENUM = i; + if (bRequest == SET_FEATURE) { + UECONX = (1<<STALLRQ)|(1<<EPEN); + } else { + UECONX = (1<<STALLRQC)|(1<<RSTDT)|(1<<EPEN); + UERST = (1 << i); + UERST = 0; + } + return; + } + } + #endif + if (wIndex == GAMEPAD_INTERFACE) { + if (bmRequestType == 0xA1) { + if (bRequest == HID_GET_REPORT) { + usb_wait_in_ready(); + + for (i=0; i<sizeof(magic_init_bytes); i++) { + UEDATX = pgm_read_byte(&magic_init_bytes[i]); + } + + usb_send_in(); + return; + } + if (bRequest == HID_GET_IDLE) { + usb_wait_in_ready(); + UEDATX = gamepad_idle_config; + usb_send_in(); + return; + } + if (bRequest == HID_GET_PROTOCOL) { + usb_wait_in_ready(); + UEDATX = gamepad_protocol; + usb_send_in(); + return; + } + } + if (bmRequestType == 0x21) { + if (bRequest == HID_SET_REPORT) { + usb_wait_receive_out(); + usb_ack_out(); + usb_send_in(); + return; + } + if (bRequest == HID_SET_IDLE) { + gamepad_idle_config = (wValue >> 8); + usb_send_in(); + return; + } + if (bRequest == HID_SET_PROTOCOL) { + gamepad_protocol = wValue; + usb_send_in(); + return; + } + } + } + } + UECONX = (1<<STALLRQ) | (1<<EPEN); // stall +} + + diff --git a/src/usb_gamepad.h b/src/usb_gamepad.h new file mode 100644 index 0000000..fe0ebf6 --- /dev/null +++ b/src/usb_gamepad.h @@ -0,0 +1,134 @@ +#ifndef usb_gamepad_h__ +#define usb_gamepad_h__ + +#include <stdint.h> + +void usb_init(void); // initialize everything +uint8_t usb_configured(void); // is the USB port configured + +typedef struct { + // digital buttons, 0 = off, 1 = on + + uint8_t square_btn : 1; + uint8_t cross_btn : 1; + uint8_t circle_btn : 1; + uint8_t triangle_btn : 1; + + uint8_t l1_btn : 1; + uint8_t r1_btn : 1; + uint8_t l2_btn : 1; + uint8_t r2_btn : 1; + + uint8_t select_btn : 1; + uint8_t start_btn : 1; + uint8_t : 2; + uint8_t ps_btn : 1; + uint8_t : 3; + + // digital direction, use the dir_* constants(enum) + // 8 = center, 0 = up, 1 = up/right, 2 = right, 3 = right/down + // 4 = down, 5 = down/left, 6 = left, 7 = left/up + + uint8_t direction; + + // left and right analog sticks, 0x00 left/up, 0x80 middle, 0xff right/down + + uint8_t l_x_axis; + uint8_t l_y_axis; + uint8_t r_x_axis; + uint8_t r_y_axis; + + uint8_t unknown[4]; + + // button axis, 0x00 = unpressed, 0xff = fully pressed + + uint8_t triangle_axis; + uint8_t circle_axis; + uint8_t cross_axis; + uint8_t square_axis; + + uint8_t l1_axis; + uint8_t r1_axis; + uint8_t l2_axis; + uint8_t r2_axis; +} gamepad_state_t; + +extern gamepad_state_t gamepad_state; + +void usb_gamepad_reset_state(void); + +int8_t usb_gamepad_send(void); + + +// Everything below this point is only intended for usb_gamepad.c +#ifdef USB_GAMEPAD_PRIVATE_INCLUDE +#include <avr/io.h> +#include <avr/pgmspace.h> +#include <avr/interrupt.h> + +#define EP_TYPE_CONTROL 0x00 +#define EP_TYPE_BULK_IN 0x81 +#define EP_TYPE_BULK_OUT 0x80 +#define EP_TYPE_INTERRUPT_IN 0xC1 +#define EP_TYPE_INTERRUPT_OUT 0xC0 +#define EP_TYPE_ISOCHRONOUS_IN 0x41 +#define EP_TYPE_ISOCHRONOUS_OUT 0x40 + +#define EP_SINGLE_BUFFER 0x02 +#define EP_DOUBLE_BUFFER 0x06 + +#define EP_SIZE(s) ((s) == 64 ? 0x30 : \ + ((s) == 32 ? 0x20 : \ + ((s) == 16 ? 0x10 : \ + 0x00))) + +#define MAX_ENDPOINT 4 + +#define LSB(n) (n & 255) +#define MSB(n) ((n >> 8) & 255) + +#if defined(__AVR_AT90USB162__) +#define HW_CONFIG() +#define PLL_CONFIG() (PLLCSR = ((1<<PLLE)|(1<<PLLP0))) +#define USB_CONFIG() (USBCON = (1<<USBE)) +#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK))) +#elif defined(__AVR_ATmega32U4__) +#define HW_CONFIG() (UHWCON = 0x01) +#define PLL_CONFIG() (PLLCSR = 0x12) +#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE))) +#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK))) +#elif defined(__AVR_AT90USB646__) +#define HW_CONFIG() (UHWCON = 0x81) +#define PLL_CONFIG() (PLLCSR = 0x1A) +#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE))) +#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK))) +#elif defined(__AVR_AT90USB1286__) +#define HW_CONFIG() (UHWCON = 0x81) +#define PLL_CONFIG() (PLLCSR = 0x16) +#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE))) +#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK))) +#endif + +// standard control endpoint request types +#define GET_STATUS 0 +#define CLEAR_FEATURE 1 +#define SET_FEATURE 3 +#define SET_ADDRESS 5 +#define GET_DESCRIPTOR 6 +#define GET_CONFIGURATION 8 +#define SET_CONFIGURATION 9 +#define GET_INTERFACE 10 +#define SET_INTERFACE 11 +// HID (human interface device) +#define HID_GET_REPORT 1 +#define HID_GET_IDLE 2 +#define HID_GET_PROTOCOL 3 +#define HID_SET_REPORT 9 +#define HID_SET_IDLE 10 +#define HID_SET_PROTOCOL 11 +// CDC (communication class device) +#define CDC_SET_LINE_CODING 0x20 +#define CDC_GET_LINE_CODING 0x21 +#define CDC_SET_CONTROL_LINE_STATE 0x22 +#endif +#endif |