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Merge branch 'adb_fix'

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This commit is contained in:
tmk
2013-04-09 14:31:27 +09:00
parent de7b46cd7d 9e39b222d0
commit 3fa50565af
6 changed files with 202 additions and 26 deletions
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19
converter/adb_usb/Makefile
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@@ -32,12 +32,25 @@ MCU = atmega32u4 # Teensy 2.0
F_CPU = 16000000
# 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.
#
#MOUSEKEY_ENABLE = yes # Mouse keys
EXTRAKEY_ENABLE = yes # Audio control and System control
#NKRO_ENABLE = yes # USB Nkey Rollover
#BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
#MOUSEKEY_ENABLE = yes # Mouse keys(+5000)
#EXTRAKEY_ENABLE = yes # Audio control and System control(+600)
#CONSOLE_ENABLE = yes # Console for debug
#COMMAND_ENABLE = yes # Commands for debug and configuration
#SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
#NKRO_ENABLE = yes # USB Nkey Rollover(+500)
# Search Path

131
converter/adb_usb/Makefile.lufa Normal file
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@@ -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_lufa
# 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.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

1
converter/adb_usb/keymap.c
View File

@@ -21,7 +21,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <stdint.h>
#include <stdbool.h>
#include <avr/pgmspace.h>
#include "usb_keyboard.h"
#include "keycode.h"
#include "print.h"
#include "debug.h"

1
converter/adb_usb/matrix.c
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@@ -71,7 +71,6 @@ void matrix_init(void)
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
print_enable = true;
debug_enable = true;
debug_matrix = true;
debug_keyboard = true;

75
protocol/adb.c
View File

@@ -57,12 +57,13 @@ static inline void place_bit1(void);
static inline void send_byte(uint8_t data);
static inline bool read_bit(void);
static inline uint8_t read_byte(void);
static inline uint8_t wait_data_lo(uint8_t us);
static inline uint8_t wait_data_lo(uint16_t us);
static inline uint8_t wait_data_hi(uint8_t us);
void adb_host_init(void)
{
DDRF |= (1<<1);
data_hi();
#ifdef ADB_PSW_BIT
psw_hi();
@@ -88,19 +89,24 @@ uint16_t adb_host_kbd_recv(void)
attention();
send_byte(0x2C); // Addr:Keyboard(0010), Cmd:Talk(11), Register0(00)
place_bit0(); // Stopbit(0)
if (!wait_data_lo(0xFF)) // Tlt/Stop to Start(140-260us)
if (!wait_data_lo(500)) { // Tlt/Stop to Start(140-260us)
return 0; // No data to send
if (!read_bit()) // Startbit(1)
}
if (!read_bit()) { // Startbit(1)
// Service Request
return -2;
}
// ad hoc fix: without block inerrupt read wrong bit occasionally and get keys stuck
cli();
data = read_byte();
data = (data<<8) | read_byte();
uint8_t stop = read_bit(); // Stopbit(0)
sei();
if (read_bit()) // Stopbit(0)
if (stop) {
return -3;
}
return data;
}
@@ -199,24 +205,48 @@ static inline bool read_bit(void)
{
// ADB Bit Cells
//
// bit0: ______~~~
// 65 :35us
//
// bit1: ___~~~~~~
// 35 :65us
//
// bit0 low time: 60-70% of bit cell(42-91us)
// bit1 low time: 30-40% of bit cell(21-52us)
// bit cell time: 70-130us
// [from Apple IIgs Hardware Reference Second Edition]
// low part of bit0: 60-70% of bit cell
// low part of bit1: 30-40% of bit cell
//
// After 55us if data line is low/high then bit is 0/1.
// Too simple to rely on?
// bit cell time 70us 130us
// --------------------------------------------
// low part of bit0 42-49 78-91
// high part of bit0 21-28 39-52
// low part of bit1 21-28 39-52
// high part of bit1 42-49 78-91
//
//
// bit0:
// 70us bit cell:
// ____________~~~~~~
// 42-49 21-28
//
// 130us bit cell:
// ____________~~~~~~
// 78-91 39-52
//
// bit1:
// 70us bit cell:
// ______~~~~~~~~~~~~
// 21-28 42-49
//
// 130us bit cell:
// ______~~~~~~~~~~~~
// 39-52 78-91
//
// read:
// ________|~~~~~~~~~
// 55us
// Read data line after 55us. If data line is low/high then bit is 0/1.
// This method might not work at <90us bit cell time.
//
// [from Apple IIgs Hardware Reference Second Edition]
bool bit;
wait_data_lo(75); // wait the beginning of bit cell
wait_data_lo(75); // wait the start of bit cell at least 130ms(55+0+75)
_delay_us(55);
bit = data_in();
wait_data_hi(36); // wait high part of bit cell
wait_data_hi(36); // wait high part of bit cell at least 91ms(55+36)
return bit;
}
@@ -231,7 +261,7 @@ static inline uint8_t read_byte(void)
return data;
}
static inline uint8_t wait_data_lo(uint8_t us)
static inline uint8_t wait_data_lo(uint16_t us)
{
while (data_in() && us) {
_delay_us(1);
@@ -258,7 +288,10 @@ Resources
---------
ADB - The Untold Story: Space Aliens Ate My Mouse
http://developer.apple.com/legacy/mac/library/#technotes/hw/hw_01.html
Apple IIgs Hardware Reference Second Edition [p80(Chapter6 p121)]
ADB Manager
http://developer.apple.com/legacy/mac/library/documentation/mac/pdf/Devices/ADB_Manager.pdf
Service request(5-17)
Apple IIgs Hardware Reference Second Edition [Chapter6 p121]
ftp://ftp.apple.asimov.net/pub/apple_II/documentation/Apple%20IIgs%20Hardware%20Reference.pdf
ADB Keycode
http://72.0.193.250/Documentation/macppc/adbkeycodes/
@@ -376,9 +409,9 @@ Communication
Global reset:
Host asserts low in 2.8-5.2ms. All devices are forced to reset.
Send request from device(Srq):
Service request from device(Srq):
Device can request to send at commad(Global only?) stop bit.
keep low for 300us to request.
Requesting device keeps low for 140-260us at stop bit of command.
Keyboard Data(Register0)

1
protocol/pjrc/usb.c
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@@ -31,6 +31,7 @@
#include "usb_mouse.h"
#include "usb_debug.h"
#include "usb_extra.h"
#include "led.h"
#include "print.h"
#include "util.h"
#include "sleep_led.h"