From 59ecced486618161ab18ea9a95dd51e1414fedb8 Mon Sep 17 00:00:00 2001 From: tmk Date: Fri, 11 Oct 2013 10:12:22 +0900 Subject: [PATCH] Add ADB protocol files from blargg's work - --- converter/adb_usb/Makefile.blargg | 131 ++++++++++++++++++ converter/adb_usb/adb_blargg.c | 216 ++++++++++++++++++++++++++++++ converter/adb_usb/adb_blargg.h | 38 ++++++ 3 files changed, 385 insertions(+) create mode 100644 converter/adb_usb/Makefile.blargg create mode 100644 converter/adb_usb/adb_blargg.c create mode 100644 converter/adb_usb/adb_blargg.h diff --git a/converter/adb_usb/Makefile.blargg b/converter/adb_usb/Makefile.blargg new file mode 100644 index 000000000..edce82d69 --- /dev/null +++ b/converter/adb_usb/Makefile.blargg @@ -0,0 +1,131 @@ +#---------------------------------------------------------------------------- +# 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. +# Please customize your programmer settings(PROGRAM_CMD) +# +# make teensy = Download the hex file to the device, using teensy_loader_cli. +# (must have teensy_loader_cli installed). +# +# make dfu = Download the hex file to the device, using dfu-programmer (must +# have dfu-programmer installed). +# +# make flip = Download the hex file to the device, using Atmel FLIP (must +# have Atmel FLIP installed). +# +# make dfu-ee = Download the eeprom file to the device, using dfu-programmer +# (must have dfu-programmer installed). +# +# make flip-ee = Download the eeprom file to the device, using Atmel FLIP +# (must have Atmel FLIP installed). +# +# 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 = adb_usb_blargg + +# Directory common source filess exist +TOP_DIR = ../.. + +# Directory keyboard dependent files exist +TARGET_DIR = . + +# project specific files +SRC = keymap.c \ + matrix.c \ + led.c \ + adb_blargg.c + +CONFIG_H = config.h + + +# MCU name +#MCU = at90usb1287 +MCU = atmega32u4 + +# Processor frequency. +# This will define a symbol, F_CPU, in all source code files equal to the +# processor frequency in Hz. You can then use this symbol in your source code to +# calculate timings. Do NOT tack on a 'UL' at the end, this will be done +# automatically to create a 32-bit value in your source code. +# +# This will be an integer division of F_USB below, as it is sourced by +# F_USB after it has run through any CPU prescalers. Note that this value +# does not *change* the processor frequency - it should merely be updated to +# reflect the processor speed set externally so that the code can use accurate +# software delays. +F_CPU = 16000000 + + +# +# LUFA specific +# +# Target architecture (see library "Board Types" documentation). +ARCH = AVR8 + +# Input clock frequency. +# This will define a symbol, F_USB, in all source code files equal to the +# input clock frequency (before any prescaling is performed) in Hz. This value may +# differ from F_CPU if prescaling is used on the latter, and is required as the +# raw input clock is fed directly to the PLL sections of the AVR for high speed +# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL' +# at the end, this will be done automatically to create a 32-bit value in your +# source code. +# +# If no clock division is performed on the input clock inside the AVR (via the +# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU. +F_USB = $(F_CPU) + +# Interrupt driven control endpoint task(+60) +#OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT + + +# Boot Section Size in *bytes* +# Teensy halfKay 512 +# Teensy++ halfKay 1024 +# Atmel DFU loader 4096 +# LUFA bootloader 4096 +# USBaspLoader 2048 +OPT_DEFS += -DBOOTLOADER_SIZE=4096 + + +# Build Options +# comment out to disable the options. +# +BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000) +MOUSEKEY_ENABLE = yes # Mouse keys(+4700) +EXTRAKEY_ENABLE = yes # Audio control and System control(+450) +CONSOLE_ENABLE = yes # Console for debug(+400) +COMMAND_ENABLE = yes # Commands for debug and configuration +#SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend +#NKRO_ENABLE = yes # USB Nkey Rollover - not yet supported in LUFA + + +# Optimize size but this may cause error "relocation truncated to fit" +#EXTRALDFLAGS = -Wl,--relax + +# Search Path +VPATH += $(TARGET_DIR) +VPATH += $(TOP_DIR) + +include $(TOP_DIR)/protocol/lufa.mk +include $(TOP_DIR)/protocol.mk +include $(TOP_DIR)/common.mk +include $(TOP_DIR)/rules.mk diff --git a/converter/adb_usb/adb_blargg.c b/converter/adb_usb/adb_blargg.c new file mode 100644 index 000000000..963758c53 --- /dev/null +++ b/converter/adb_usb/adb_blargg.c @@ -0,0 +1,216 @@ +// Bit-banged implementation without any use of interrupts. +// Data pin must have external 1K pull-up resistor. +// Operates data pin as open-collector output. + +#include "adb_blargg.h" + +#ifdef HAVE_CONFIG_H + #include "config.h" +#endif + +#include +#include +#include + +// Copyright 2011 Jun WAKO +// Copyright 2013 Shay Green +// See bottom of file for license + +typedef uint8_t byte; + +// Make loop iteration take us total, including cyc overhead of loop logic +#define delay_loop_usec( us, cyc ) \ + __builtin_avr_delay_cycles( (unsigned long) (F_CPU / 1e6 * (us) + 0.5) - (cyc) ) + +#if !defined(ADB_PORT) || \ + !defined(ADB_PIN) || \ + !defined(ADB_DDR) || \ + !defined(ADB_DATA_BIT) + #error +#endif + +enum { data_mask = 1< +#include + +// Sets up ADB bus. Doesn't send anything to keyboard. +void adb_host_init( void ); + +// Receives key press event from keyboard. +// 0xKKFF: one key changed state +// 0xKKKK: two keys changed state +enum { adb_host_nothing = 0 }; // no keys changed state +enum { adb_host_error = 0xFFFE }; // receive error +uint16_t adb_host_kbd_recv( void ); + +// Current state of keyboard modifiers and a few other keys +// Returns adb_host_nothing if keyboard didn't respond. +// Returns adb_host_error if error receiving. +uint16_t adb_host_kbd_modifiers( void ); + +// Sends command and two bytes of data to keyboard +void adb_host_listen( uint8_t cmd, uint8_t data_h, uint8_t data_l ); + +// Sets keyboard LEDs. Note that bits are inverted here, so 1 means off, 0 means on. +void adb_host_kbd_led( uint8_t led ); + +// State of power switch (false = pressed), or true if unsupported +bool adb_host_psw( void ); + + +// Legacy support +#define ADB_POWER 0x7F +#define ADB_CAPS 0x39 + +#endif