Merge branch 'adb_fix'

converter/adb_usb/Makefile

@@ -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
+#BOOTMAGIC_ENABLE = yes	# Virtual DIP switch configuration(+1000)
-EXTRAKEY_ENABLE = yes	# Audio control and System control
+#MOUSEKEY_ENABLE = yes	# Mouse keys(+5000)
-#NKRO_ENABLE = yes	# USB Nkey Rollover
+#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

converter/adb_usb/Makefile.lufa

@@ -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

converter/adb_usb/keymap.c

@@ -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"

converter/adb_usb/matrix.c

@@ -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;

protocol/adb.c

@@ -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.
+    //    bit cell time         70us        130us
-    // Too simple to rely on?
+    //    --------------------------------------------
+    //    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)

protocol/pjrc/usb.c

@@ -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"