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PS/2 to USB keyboard converter

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This commit is contained in:
tmk 2011-01-17 21:51:51 +09:00
parent 7ad93f7850
commit bf1a37ba71
12 changed files with 967 additions and 17 deletions
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4
Makefile.common
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@ -298,6 +298,10 @@ EXTMEMOPTS =
# -Wl,...: tell GCC to pass this to linker.
# -Map: create map file
# --cref: add cross reference to map file
#
# Comennt out "--relax" option to avoid a error such:
# (.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
#
LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
LDFLAGS += -Wl,--relax
LDFLAGS += -Wl,--gc-sections

3
README
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@ -62,6 +62,9 @@ Copying exsistent target(macway) is easy way.
keymaps[]
6. Build.
If you have a build error like following, comment out "--relax" option in Makefile.common.
(.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
Build Options
-------------

89
key_process.c
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@ -117,6 +117,8 @@ void proc_matrix(void) {
if (keymap_is_special_mode(fn_bits)) {
switch (usb_keyboard_get_key()) {
case KB_H: // help
usb_keyboard_clear_report();
usb_keyboard_send();
print_enable = true;
print("b: jump to bootloader\n");
print("d: toggle debug enable\n");
@ -131,17 +133,80 @@ void proc_matrix(void) {
#ifdef USB_NKRO_ENABLE
print("n: toggle USB_NKRO\n");
#endif
print("Backspace: clear matrix\n");
print("ESC: power down/wake up\n");
print("0: switch to Layer0 \n");
print("1: switch to Layer1 \n");
print("2: switch to Layer2 \n");
print("3: switch to Layer3 \n");
print("4: switch to Layer4 \n");
#ifdef PS2_MOUSE_ENABLE
print("1: ps2_mouse_init \n");
print("2: ps2_mouse_read \n");
print("3: ps2_mouse: on/off toggle \n");
print("[: ps2_mouse_init \n");
print("]: ps2_mouse_read \n");
print("\: ps2_mouse: on/off toggle \n");
#endif
_delay_ms(500);
print_enable = false;
break;
#ifdef PS2_MOUSE_ENABLE
case KB_BSPC:
usb_keyboard_clear_report();
usb_keyboard_send();
matrix_init();
print("clear matrix\n");
_delay_ms(500);
break;
case KB_0:
usb_keyboard_clear_report();
usb_keyboard_send();
print("current_layer: "); phex(current_layer); print("\n");
print("default_layer: "); phex(default_layer); print("\n");
current_layer = 0;
default_layer = 0;
print("switch to Layer0 \n");
_delay_ms(500);
break;
case KB_1:
usb_keyboard_clear_report();
usb_keyboard_send();
print("current_layer: "); phex(current_layer); print("\n");
print("default_layer: "); phex(default_layer); print("\n");
current_layer = 1;
default_layer = 1;
print("switch to Layer1 \n");
_delay_ms(500);
break;
case KB_2:
usb_keyboard_clear_report();
usb_keyboard_send();
print("current_layer: "); phex(current_layer); print("\n");
print("default_layer: "); phex(default_layer); print("\n");
current_layer = 2;
default_layer = 2;
print("switch to Layer2 \n");
_delay_ms(500);
break;
case KB_3:
usb_keyboard_clear_report();
usb_keyboard_send();
print("current_layer: "); phex(current_layer); print("\n");
print("default_layer: "); phex(default_layer); print("\n");
current_layer = 3;
default_layer = 3;
print("switch to Layer3 \n");
_delay_ms(500);
break;
case KB_4:
usb_keyboard_clear_report();
usb_keyboard_send();
print("current_layer: "); phex(current_layer); print("\n");
print("default_layer: "); phex(default_layer); print("\n");
current_layer = 4;
default_layer = 4;
print("switch to Layer4 \n");
_delay_ms(500);
break;
#ifdef PS2_MOUSE_ENABLE
case KB_LBRC:
usb_keyboard_clear_report();
usb_keyboard_send();
print_enable = true;
@ -149,7 +214,7 @@ void proc_matrix(void) {
_delay_ms(500);
ps2_mouse_init();
break;
case KB_2:
case KB_RBRC:
usb_keyboard_clear_report();
usb_keyboard_send();
print_enable = true;
@ -161,7 +226,7 @@ void proc_matrix(void) {
phex(ps2_mouse_y); print("\n");
print("ps2_mouse_error_count: "); phex(ps2_mouse_error_count); print("\n");
break;
case KB_3:
case KB_BSLS:
ps2_mouse_enable = !ps2_mouse_enable;
print("ps2_mouse: ");
if (ps2_mouse_enable)
@ -187,15 +252,15 @@ void proc_matrix(void) {
if (debug_enable) {
print_enable = true;
print("debug enabled.\n");
debug_matrix = true;
debug_keyboard = true;
debug_mouse = true;
//debug_matrix = true;
//debug_keyboard = true;
//debug_mouse = true;
} else {
print("debug disabled.\n");
print_enable = false;
debug_matrix = false;
debug_keyboard = false;
debug_mouse = false;
//debug_matrix = false;
//debug_keyboard = false;
//debug_mouse = false;
}
_delay_ms(1000);
break;

4
ps2.c
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@ -149,7 +149,7 @@ uint8_t ps2_host_recv(void)
bool parity = true;
ps2_error = 0;
/* cancel to sync */
/* terminate a transmission if we have */
clock_lo();
_delay_us(100);
@ -158,7 +158,7 @@ uint8_t ps2_host_recv(void)
data_hi();
/* start bit [1] */
WAIT(clock_lo, 20000, 1);
WAIT(clock_lo, 2000, 1); // How long should we wait?
WAIT(data_lo, 1, 2);
WAIT(clock_hi, 50, 3);

4
ps2.h
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@ -59,6 +59,10 @@ POSSIBILITY OF SUCH DAMAGE.
#define PS2_ERR_NONE 0
#define PS2_ERR_PARITY 0x10
#define PS2_LED_SCROLL_LOCK 0
#define PS2_LED_NUM_LOCK 1
#define PS2_LED_CAPS_LOCK 2
extern uint8_t ps2_error;

81
ps2_usb/Makefile Normal file
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@ -0,0 +1,81 @@
# 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 = tmk_ps2_usb
# Directory common source filess exist
COMMON_DIR = ..
# Directory keyboard dependent files exist
TARGET_DIR = .
# keyboard dependent files
TARGET_SRC = keymap.c \
matrix.c \
ps2.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
# Build Options
# comment out to disable the options.
#
MOUSEKEY_ENABLE = yes # Mouse keys
USB_EXTRA_ENABLE = yes # Enhanced feature for Windows(Audio control and System control)
USB_NKRO_ENABLE = yes # USB Nkey Rollover
include $(COMMON_DIR)/Makefile.common

103
ps2_usb/README Normal file
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@ -0,0 +1,103 @@
PS/2 to USB keyboard converter
==============================
This firmware converts PS/2 keyboard protocol to USB.
Demostration build
------------------
In this demo build, you can try several layouts,
mouse keys and USB NKRO.
Special keys:
Magic+0: Qwerty with mouse keys(default)
Magic+1: Qwerty
Magic+2: Colemak
Magic+3: Dvorak
Magic+4: Workman
Magic+N: toggles NKRO/6KRO(6KRO by default)
Magic+Esc: sends Power Event
where Magic=(LShift+RShift) or (LControl+RShift)
Keybinds:
Fn0+(hjkl): Mouse key move(vi cursor)
Fn0+(yuio): Mouse wheel(left,down,up,right)
Fn0+space: Mouse button1
Fn0+(mnb): Mouse buttons(1,2,3)
Fn0+(zxc): Media control(Volup, Voldown, Mute)
Fn1+(hjkl): Cursor move(vi cursor)
Fn1+(nm,.): Cursor move(Home,PageDown,PageUp,End)
Fn2+(esdf): Mouse key move(invert T cursor)
Fn2+(qwrt): Mouse wheel(left,down,up,right)
Fn2+space: Mouse button1
Fn2+(,./): Media control(Volup, Voldown, Mute)
where Fn0=;, Fn1=/, Fn2=a
Features
--------
Mouse keys
You can emulates mouse move and button click using keyboard.
System/Media control
You can sends Power event, Volume down/up and Mute.
USB NKRO(actually 120KRO+8Modifiers)
You can tolggles NKRO/6KRO.(Not tested on Mac.)
Keymap customization
You can customize keymaps easily by editing source code.
Build
-----
0. Connect PS/2 keyboard to Teensy by 4 lines(Vcc, GND, Data, Clock).
1. Define following macros for PS/2 connection in config.h:
PS2_DATA_PORT
PS2_DATA_PIN
PS2_DATA_DDR
PS2_DATA_BIT
PS2_CLOCK_PORT
PS2_CLOCK_PIN
PS2_CLOCK_DDR
PS2_CLOCK_BIT
2. Edit Makefile for build options and MCU setting.
2. make
3. program Teensy.
http://www.pjrc.com/teensy/loader.html
Keymap
------
You can change a keymap by editing code of keymap.c like following.
How to define the keymap is probably obvious. You can find key
symbols in usb_keycodes.h.
If you want to define more than one keymap, see hhkb/keymap.c and
macway/keymap.c as examples. To define keymap(layer) switching may
needs a bit of your effort at this time.
/* Default Layer: plain keymap
* ,---. ,---------------. ,---------------. ,---------------. ,-----------. ,-----------.
* |Esc| |F1 |F2 |F3 |F4 | |F5 |F6 |F7 |F8 | |F9 |F10|F11|F12| |PrS|ScL|Pau| |Pwr|Slp|Wak|
* `---' `---------------' `---------------' `---------------' `-----------' `-----------'
* ,-----------------------------------------------------------. ,-----------. ,---------------.
* | `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Backspa| |Ins|Hom|PgU| |NmL| /| *| -|
* |-----------------------------------------------------------| |-----------| |---------------|
* |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| \| |Del|End|PgD| | 7| 8| 9| |
* |-----------------------------------------------------------| `-----------' |-----------| +|
* |CapsLo| A| S| D| F| G| H| J| K| L| ;| '|Return | | 4| 5| 6| |
* |-----------------------------------------------------------| ,---. |---------------|
* |Shift | Z| X| C| V| B| N| M| ,| ,| /|Shift | |Up | | 1| 2| 3| |
* |-----------------------------------------------------------| ,-----------. |-----------|Ent|
* |Ctrl |Gui |Alt | Space |Alt |Gui |Menu|Ctrl| |Lef|Dow|Rig| | 0| .| |
* `-----------------------------------------------------------' `-----------' `---------------'
*/
KEYMAP(
ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PSCR,SLCK,BRK, PWR, F13, F14,
GRV, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSPC, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS,
TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC,BSLS, DEL, END, PGDN, P7, P8, P9,
CAPS,A, S, D, F, G, H, J, K, L, SCLN,QUOT, ENT, P4, P5, P6, PPLS,
LSFT,Z, X, C, V, B, N, M, COMM,DOT, SLSH, RSFT, UP, P1, P2, P3,
LCTL,LGUI,LALT, SPC, RALT,RGUI,APP, RCTL, LEFT,DOWN,RGHT, P0, PDOT,PENT
),
EOF

38
ps2_usb/config.h Normal file
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@ -0,0 +1,38 @@
#ifndef CONFIG_H
#define CONFIG_H
/* controller configuration */
#include "controller_teensy.h"
#define VENDOR_ID 0xFEED
#define PRODUCT_ID 0x6512
#define MANUFACTURER t.m.k.
#define PRODUCT PS/2 keyboard converter
#define DESCRIPTION convert PS/2 keyboard to USB
/* matrix size */
#define MATRIX_ROWS 32 // keycode bit: 3-0
#define MATRIX_COLS 8 // keycode bit: 6-4
/* define if matrix has ghost */
//#define MATRIX_HAS_GHOST
/* USB NKey Rollover */
#ifdef USB_NKRO_ENABLE
#endif
/* mouse keys */
#ifdef MOUSEKEY_ENABLE
# define MOUSEKEY_DELAY_TIME 255
#endif
/* PS/2 mouse */
#define PS2_CLOCK_PORT PORTF
#define PS2_CLOCK_PIN PINF
#define PS2_CLOCK_DDR DDRF
#define PS2_CLOCK_BIT 0
#define PS2_DATA_PORT PORTF
#define PS2_DATA_PIN PINF
#define PS2_DATA_DDR DDRF
#define PS2_DATA_BIT 1
#endif

189
ps2_usb/keymap.c Normal file
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@ -0,0 +1,189 @@
/*
* Keymap for PS/2 keyboard
*/
#include <stdint.h>
#include <stdbool.h>
#include <avr/pgmspace.h>
#include "usb_keyboard.h"
#include "usb_keycodes.h"
#include "print.h"
#include "debug.h"
#include "util.h"
#include "keymap_skel.h"
#define KEYCODE(layer, row, col) (pgm_read_byte(&keymaps[(layer)][(row)][(col)]))
// Convert physical keyboard layout to matrix array.
// This is a macro to define keymap easily in keyboard layout form.
#define KEYMAP( \
K76, K05,K06,K04,K0C, K03,K0B,K83,K0A, K01,K09,K78,K07, KFE,K7E,KFF, KB7,KBF,KDE, \
K0E,K16,K1E,K26,K25,K2E,K36,K3D,K3E,K46,K45,K4E,K55,K66, KF0,KEC,KFD, K77,KCA,K7C,K7B, \
K0D,K15,K1D,K24,K2D,K2C,K35,K3C,K43,K44,K4D,K54,K5B,K5D, KF1,KE9,KFA, K6C,K75,K7D, \
K58,K1C,K1B,K23,K2B,K34,K33,K3B,K42,K4B,K4C,K52, K5A, K6B,K73,K74,K79, \
K12,K1A,K22,K21,K2A,K32,K31,K3A,K41,K49,K4A, K59, KF5, K69,K72,K7A, \
K14,K9F,K11, K29, K91,KA7,KAF,K94, KEB,KF2,KF4, K70, K71,KDA \
) { \
{ KB_NO, KB_##K01, KB_NO, KB_##K03, KB_##K04, KB_##K05, KB_##K06, KB_##K07 }, \
{ KB_NO, KB_##K09, KB_##K0A, KB_##K0B, KB_##K0C, KB_##K0D, KB_##K0E, KB_NO }, \
{ KB_NO, KB_##K11, KB_##K12, KB_NO, KB_##K14, KB_##K15, KB_##K16, KB_NO }, \
{ KB_NO, KB_NO, KB_##K1A, KB_##K1B, KB_##K1C, KB_##K1D, KB_##K1E, KB_NO }, \
{ KB_NO, KB_##K21, KB_##K22, KB_##K23, KB_##K24, KB_##K25, KB_##K26, KB_NO }, \
{ KB_NO, KB_##K29, KB_##K2A, KB_##K2B, KB_##K2C, KB_##K2D, KB_##K2E, KB_NO }, \
{ KB_NO, KB_##K31, KB_##K32, KB_##K33, KB_##K34, KB_##K35, KB_##K36, KB_NO }, \
{ KB_NO, KB_NO, KB_##K3A, KB_##K3B, KB_##K3C, KB_##K3D, KB_##K3E, KB_NO }, \
{ KB_NO, KB_##K41, KB_##K42, KB_##K43, KB_##K44, KB_##K45, KB_##K46, KB_NO }, \
{ KB_NO, KB_##K49, KB_##K4A, KB_##K4B, KB_##K4C, KB_##K4D, KB_##K4E, KB_NO }, \
{ KB_NO, KB_NO, KB_##K52, KB_NO, KB_##K54, KB_##K55, KB_NO, KB_NO }, \
{ KB_##K58, KB_##K59, KB_##K5A, KB_##K5B, KB_NO, KB_##K5D, KB_NO, KB_NO }, \
{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_##K66, KB_NO }, \
{ KB_NO, KB_##K69, KB_NO, KB_##K6B, KB_##K6C, KB_NO, KB_NO, KB_NO }, \
{ KB_##K70, KB_##K71, KB_##K72, KB_##K73, KB_##K74, KB_##K75, KB_##K76, KB_##K77 }, \
{ KB_##K78, KB_##K79, KB_##K7A, KB_##K7B, KB_##K7C, KB_##K7D, KB_##K7E, KB_NO }, \
{ KB_NO, KB_NO, KB_NO, KB_##K83, KB_NO, KB_NO, KB_NO, KB_NO }, \
{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO }, \
{ KB_NO, KB_##K91, KB_NO, KB_NO, KB_##K94, KB_NO, KB_NO, KB_NO }, \
{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_##K9F }, \
{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_##KA7 }, \
{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_##KAF }, \
{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_##KB7 }, \
{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_##KBF }, \
{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO }, \
{ KB_NO, KB_NO, KB_##KCA, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO }, \
{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO }, \
{ KB_NO, KB_NO, KB_##KDA, KB_NO, KB_NO, KB_NO, KB_##KDE, KB_NO }, \
{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO }, \
{ KB_NO, KB_##KE9, KB_NO, KB_##KEB, KB_##KEC, KB_NO, KB_NO, KB_NO }, \
{ KB_##KF0, KB_##KF1, KB_##KF2, KB_NO, KB_##KF4, KB_##KF5, KB_NO, KB_NO }, \
{ KB_NO, KB_NO, KB_##KFA, KB_NO, KB_NO, KB_##KFD, KB_##KFE, KB_##KFF }, \
}
// Assign Fn key(0-7) to a layer to which switch with the Fn key pressed.
static const uint8_t PROGMEM fn_layer[] = {
5, // Fn0
6, // Fn1
5, // Fn2
0, // Fn3
0, // Fn4
0, // Fn5
0, // Fn6
0 // Fn7
};
// Assign Fn key(0-7) to a keycode sent when release Fn key without use of the layer.
// See layer.c for details.
static const uint8_t PROGMEM fn_keycode[] = {
KB_SCLN, // Fn0
KB_SLSH, // Fn1
KB_A, // Fn2
KB_NO, // Fn3
KB_NO, // Fn4
KB_NO, // Fn5
KB_NO, // Fn6
KB_NO // Fn7
};
static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* keymap
* ,---. ,---------------. ,---------------. ,---------------. ,-----------. ,-----------.
* |Esc| |F1 |F2 |F3 |F4 | |F5 |F6 |F7 |F8 | |F9 |F10|F11|F12| |PrS|ScL|Pau| |Pwr|Slp|Wak|
* `---' `---------------' `---------------' `---------------' `-----------' `-----------'
* ,-----------------------------------------------------------. ,-----------. ,---------------.
* | `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Backspa| |Ins|Hom|PgU| |NmL| /| *| -|
* |-----------------------------------------------------------| |-----------| |---------------|
* |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| \| |Del|End|PgD| | 7| 8| 9| |
* |-----------------------------------------------------------| `-----------' |-----------| +|
* |CapsLo| A| S| D| F| G| H| J| K| L| ;| '|Return | | 4| 5| 6| |
* |-----------------------------------------------------------| ,---. |---------------|
* |Shift | Z| X| C| V| B| N| M| ,| ,| /|Shift | |Up | | 1| 2| 3| |
* |-----------------------------------------------------------| ,-----------. |-----------|Ent|
* |Ctrl |Gui |Alt | Space |Alt |Gui |Menu|Ctrl| |Lef|Dow|Rig| | 0| .| |
* `-----------------------------------------------------------' `-----------' `---------------'
*/
/* 0: default */
KEYMAP(
ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PSCR,SLCK,BRK, PWR, F13, F14,
GRV, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSPC, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS,
TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC,BSLS, DEL, END, PGDN, P7, P8, P9,
CAPS,FN2, S, D, F, G, H, J, K, L, FN0, QUOT, ENT, P4, P5, P6, PPLS,
LSFT,Z, X, C, V, B, N, M, COMM,DOT, FN1, RSFT, UP, P1, P2, P3,
LCTL,LGUI,LALT, SPC, RALT,RGUI,APP, RCTL, LEFT,DOWN,RGHT, P0, PDOT,PENT
),
/* 1: plain Qwerty without layer switching */
KEYMAP(
ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PSCR,SLCK,BRK, PWR, F13, F14,
GRV, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSPC, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS,
TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC,BSLS, DEL, END, PGDN, P7, P8, P9,
CAPS,A, S, D, F, G, H, J, K, L, SCLN,QUOT, ENT, P4, P5, P6, PPLS,
LSFT,Z, X, C, V, B, N, M, COMM,DOT, SLSH, RSFT, UP, P1, P2, P3,
LCTL,LGUI,LALT, SPC, RALT,RGUI,APP, RCTL, LEFT,DOWN,RGHT, P0, PDOT,PENT
),
/* 2: Colemak http://colemak.com */
KEYMAP(
ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PSCR,SLCK,BRK, PWR, F13, F14,
GRV, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSPC, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS,
TAB, Q, W, F, P, G, J, L, U, Y, SCLN,LBRC,RBRC,BSLS, DEL, END, PGDN, P7, P8, P9,
BSPC,A, R, S, T, D, H, N, E, I, O, QUOT, ENT, P4, P5, P6, PPLS,
LSFT,Z, X, C, V, B, K, M, COMM,DOT, SLSH, RSFT, UP, P1, P2, P3,
LCTL,LGUI,LALT, SPC, RALT,RGUI,APP, RCTL, LEFT,DOWN,RGHT, P0, PDOT,PENT
),
/* 3: Dvorak http://en.wikipedia.org/wiki/Dvorak_Simplified_Keyboard */
KEYMAP(
ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PSCR,SLCK,BRK, PWR, F13, F14,
GRV, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, LBRC,RBRC,BSPC, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS,
TAB, QUOT,COMM,DOT, P, Y, F, G, C, R, L, SLSH,EQL, BSLS, DEL, END, PGDN, P7, P8, P9,
CAPS,A, O, E, U, I, D, H, T, N, S, MINS, ENT, P4, P5, P6, PPLS,
LSFT,SCLN,Q, J, K, X, B, M, W, V, Z, RSFT, UP, P1, P2, P3,
LCTL,LGUI,LALT, SPC, RALT,RGUI,APP, RCTL, LEFT,DOWN,RGHT, P0, PDOT,PENT
),
/* 4: Workman http://viralintrospection.wordpress.com/2010/09/06/a-different-philosophy-in-designing-keyboard-layouts/ */
KEYMAP(
ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PSCR,SLCK,BRK, PWR, F13, F14,
GRV, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSPC, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS,
TAB, Q, D, R, W, B, J, F, U, P, SCLN,LBRC,RBRC,BSLS, DEL, END, PGDN, P7, P8, P9,
BSPC,A, S, H, T, G, Y, N, E, O, I, QUOT, ENT, P4, P5, P6, PPLS,
LSFT,Z, X, M, C, V, K, L, COMM,DOT, SLSH, RSFT, UP, P1, P2, P3,
LCTL,LGUI,LALT, SPC, RALT,RGUI,APP, RCTL, LEFT,DOWN,RGHT, P0, PDOT,PENT
),
/* 5: Mouse keys */
KEYMAP(
ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PSCR,SLCK,BRK, PWR, F13, F14,
ESC, F1, F2, F3, F4, F5, F6, F7, F8, F8, F10, F11, F12, BSPC, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS,
TAB, WH_L,WH_D,MS_U,WH_U,WH_R,WH_L,WH_D,WH_U,WH_R,NO, NO, NO, BSLS, DEL, END, PGDN, P7, P8, P9,
CAPS,FN2, MS_L,MS_D,MS_R,NO, MS_L,MS_D,MS_U,MS_R,FN0, NO, ENT, P4, P5, P6, PPLS,
LSFT,VOLD,VOLU,MUTE,BTN2,BTN3,BTN2,BTN1,VOLD,VOLU,MUTE, RSFT, UP, P1, P2, P3,
LCTL,LGUI,LALT, BTN1, RALT,RGUI,APP, RCTL, LEFT,DOWN,RGHT, P0, PDOT,PENT
),
/* 6: Cursor keys */
KEYMAP(
ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PSCR,SLCK,BRK, PWR, F13, F14,
ESC, F1, F2, F3, F4, F5, F6, F7, F8, F8, F10, F11, F12, BSPC, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS,
TAB, NO, NO, NO, NO, NO, HOME,PGDN,PGUP,END, NO, NO, NO, BSLS, DEL, END, PGDN, P7, P8, P9,
CAPS,NO, NO, NO, NO, NO, LEFT,DOWN,UP, RGHT,NO, NO, ENT, P4, P5, P6, PPLS,
LSFT,VOLD,VOLU,MUTE,NO, NO, HOME,PGUP,PGDN,END, FN1, RSFT, UP, P1, P2, P3,
LCTL,LGUI,LALT, SPC, RALT,RGUI,APP, RCTL, LEFT,DOWN,RGHT, P0, PDOT,PENT
),
};
uint8_t keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t col)
{
return KEYCODE(layer, row, col);
}
uint8_t keymap_fn_layer(uint8_t fn_bits)
{
return pgm_read_byte(&fn_layer[biton(fn_bits)]);
}
uint8_t keymap_fn_keycode(uint8_t fn_bits)
{
return pgm_read_byte(&fn_keycode[(biton(fn_bits))]);
}
// define a condition to enter special function mode
bool keymap_is_special_mode(uint8_t fn_bits)
{
return usb_keyboard_mods == (BIT_LSHIFT | BIT_RSHIFT) || usb_keyboard_mods == (BIT_LCTRL | BIT_RSHIFT);
}

456
ps2_usb/matrix.c Normal file
View File

@ -0,0 +1,456 @@
/*
* scan matrix
*/
#include <stdint.h>
#include <stdbool.h>
#include <avr/io.h>
#include <util/delay.h>
#include "print.h"
#include "util.h"
#include "debug.h"
#include "ps2.h"
#include "usb_keyboard.h"
#include "matrix_skel.h"
#if (MATRIX_COLS > 16)
# error "MATRIX_COLS must not exceed 16"
#endif
#if (MATRIX_ROWS > 255)
# error "MATRIX_ROWS must not exceed 255"
#endif
/*
* Matrix usage:
* "PS/2 Scan Codes Set 2" is assigned to 256(32x8)cells matrix.
* Hmm, It is very sparse and not efficient :(
*
* 8bit
* ---------
* 0| |
* :| XX | 00-7F for normal codes
* f|_________|
* 10| |
* :| E0 XX | 80-FF for E0-prefix codes(use (XX|0x80) as code)
* 1f| |
* ---------
* exceptions:
* 0x83: F8(normal code placed beyond 0x7F)
* 0xFE: PrintScreen
* 0xFF: Puause/Break
*/
#define _PRINT_SCREEN (0xFE)
#define _PAUSE_BREAK (0xFF)
#define _ROW(code) (code>>3)
#define _COL(code) (code&0x07)
static bool _matrix_is_modified = false;
// matrix state buffer(1:on, 0:off)
#if (MATRIX_COLS <= 8)
static uint8_t *matrix;
static uint8_t _matrix0[MATRIX_ROWS];
#else
static uint16_t *matrix;
static uint16_t _matrix0[MATRIX_ROWS];
#endif
#ifdef MATRIX_HAS_GHOST
static bool matrix_has_ghost_in_row(uint8_t row);
#endif
static void _matrix_make(uint8_t code);
static void _matrix_break(uint8_t code);
static void _ps2_reset(void);
static void _ps2_set_leds(uint8_t leds);
inline
uint8_t matrix_rows(void)
{
return MATRIX_ROWS;
}
inline
uint8_t matrix_cols(void)
{
return MATRIX_COLS;
}
void matrix_init(void)
{
print_enable = true;
ps2_host_init();
_ps2_reset();
// flush LEDs
_ps2_set_leds(1<<PS2_LED_NUM_LOCK);
_delay_ms(100);
_ps2_set_leds(1<<PS2_LED_NUM_LOCK|1<<PS2_LED_CAPS_LOCK);
_delay_ms(100);
_ps2_set_leds(1<<PS2_LED_NUM_LOCK|1<<PS2_LED_CAPS_LOCK|1<<PS2_LED_SCROLL_LOCK);
_delay_ms(300);
_ps2_set_leds(0x00);
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0x00;
matrix = _matrix0;
return;
}
uint8_t matrix_scan(void)
{
static enum {
INIT,
BREAK,
E0,
E0_F0,
// states for PrintScreen
E0_12,
E0_12_E0,
E0_F0_7C,
E0_F0_7C_E0,
E0_F0_7C_E0_F0,
// states for Pause/Break
E1,
E1_14,
E1_14_77,
E1_14_77_E1,
E1_14_77_E1_F0,
E1_14_77_E1_F0_14,
E1_14_77_E1_F0_14_F0,
} state = INIT;
_matrix_is_modified = false;
// Pause/Break off(PS/2 has no break for this key)
if (matrix_is_on(_ROW(_PAUSE_BREAK), _COL(_PAUSE_BREAK))) {
_matrix_break(_PAUSE_BREAK);
}
uint8_t code;
while ((code = ps2_host_recv())) {
switch (state) {
case INIT:
switch (code) {
case 0xE0: // 2byte make
state = E0;
break;
case 0xF0: // break code
state = BREAK;
break;
case 0xE1: // Pause/Break
state = E1;
break;
default: // normal key make
if (code < 0x80) {
_matrix_make(code);
} else {
debug("ps/2 unknow code: "); debug_hex(code); debug("\n");
}
state = INIT;
}
break;
case E0:
switch (code) {
case 0x12: // PrintScreen(make)
state = E0_12;
break;
case 0x7C: // PrintScreen(typematic)
// ignore
state = INIT;
break;
case 0xF0: // E0 break
state = E0_F0;
break;
default: // E0 make
if (code < 0x80) {
_matrix_make(code|0x80);
} else {
debug("ps/2 unknow code: "); debug_hex(code); debug("\n");
}
state = INIT;
}
break;
case BREAK:
if (code < 0x80) {
_matrix_break(code);
} else {
debug("ps/2 unknow code: "); debug_hex(code); debug("\n");
}
state = INIT;
break;
case E0_F0: // E0 break
switch (code) {
case 0x7C:
state = E0_F0_7C;
break;
default:
if (code < 0x80) {
_matrix_break(code|0x80);
} else {
debug("ps/2 unknow code: "); debug_hex(code); debug("\n");
}
state = INIT;
}
break;
/* PrintScreen(make) */
case E0_12:
switch (code) {
case 0xE0:
state = E0_12_E0;
break;
default:
state = INIT;
}
break;
case E0_12_E0:
switch (code) {
case 0x7C:
_matrix_make(_PRINT_SCREEN);
state = INIT;
break;
default:
state = INIT;
}
break;
/* PrintScreen(break) */
case E0_F0_7C:
switch (code) {
case 0xE0:
state = E0_F0_7C_E0;
break;
default:
state = INIT;
}
break;
case E0_F0_7C_E0:
switch (code) {
case 0xF0:
state = E0_F0_7C_E0_F0;
break;
default:
state = INIT;
}
break;
case E0_F0_7C_E0_F0:
switch (code) {
case 0x12:
_matrix_break(_PRINT_SCREEN);
state = INIT;
break;
default:
state = INIT;
}
break;
/* Pause/Break */
case E1:
switch (code) {
case 0x14:
state = E1_14;
break;
default:
state = INIT;
}
break;
case E1_14:
switch (code) {
case 0x77:
state = E1_14_77;
break;
default:
state = INIT;
}
break;
case E1_14_77:
switch (code) {
case 0xE1:
state = E1_14_77_E1;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1:
switch (code) {
case 0xF0:
state = E1_14_77_E1_F0;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1_F0:
switch (code) {
case 0x14:
state = E1_14_77_E1_F0_14;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1_F0_14:
switch (code) {
case 0xF0:
state = E1_14_77_E1_F0_14_F0;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1_F0_14_F0:
switch (code) {
case 0x77:
_matrix_make(_PAUSE_BREAK);
state = INIT;
break;
default:
state = INIT;
}
break;
default:
state = INIT;
}
}
static uint8_t prev_leds = 0;
if (prev_leds != usb_keyboard_leds) {
uint8_t leds = 0;
if (usb_keyboard_leds&(1<<USB_LED_SCROLL_LOCK))
leds |= (1<<PS2_LED_SCROLL_LOCK);
if (usb_keyboard_leds&(1<<USB_LED_NUM_LOCK))
leds |= (1<<PS2_LED_NUM_LOCK);
if (usb_keyboard_leds&(1<<USB_LED_CAPS_LOCK))
leds |= (1<<PS2_LED_CAPS_LOCK);
_ps2_set_leds(leds);
prev_leds = usb_keyboard_leds;
}
return 1;
}
bool matrix_is_modified(void)
{
return _matrix_is_modified;
}
inline
bool matrix_has_ghost(void)
{
#ifdef MATRIX_HAS_GHOST
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
if (matrix_has_ghost_in_row(i))
return true;
}
#endif
return false;
}
inline
bool matrix_is_on(uint8_t row, uint8_t col)
{
return (matrix[row] & (1<<col));
}
inline
#if (MATRIX_COLS <= 8)
uint8_t matrix_get_row(uint8_t row)
#else
uint16_t matrix_get_row(uint8_t row)
#endif
{
return matrix[row];
}
void matrix_print(void)
{
#if (MATRIX_COLS <= 8)
print("\nr/c 01234567\n");
#else
print("\nr/c 0123456789ABCDEF\n");
#endif
for (uint8_t row = 0; row < matrix_rows(); row++) {
phex(row); print(": ");
#if (MATRIX_COLS <= 8)
pbin_reverse(matrix_get_row(row));
#else
pbin_reverse16(matrix_get_row(row));
#endif
#ifdef MATRIX_HAS_GHOST
if (matrix_has_ghost_in_row(row)) {
print(" <ghost");
}
#endif
print("\n");
}
}
uint8_t matrix_key_count(void)
{
uint8_t count = 0;
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
#if (MATRIX_COLS <= 8)
count += bitpop(matrix[i]);
#else
count += bitpop16(matrix[i]);
#endif
}
return count;
}
#ifdef MATRIX_HAS_GHOST
inline
static bool matrix_has_ghost_in_row(uint8_t row)
{
// no ghost exists in case less than 2 keys on
if (((matrix[row] - 1) & matrix[row]) == 0)
return false;
// ghost exists in case same state as other row
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
if (i != row && (matrix[i] & matrix[row]) == matrix[row])
return true;
}
return false;
}
#endif
inline
static void _matrix_make(uint8_t code)
{
if (!matrix_is_on(_ROW(code), _COL(code))) {
matrix[_ROW(code)] |= 1<<_COL(code);
_matrix_is_modified = true;
}
}
inline
static void _matrix_break(uint8_t code)
{
if (matrix_is_on(_ROW(code), _COL(code))) {
matrix[_ROW(code)] &= ~(1<<_COL(code));
_matrix_is_modified = true;
}
}
static void _ps2_reset(void)
{
ps2_host_send(0xFF);
ps2_host_recv(); // 0xFA
ps2_host_recv(); // 0xAA
_delay_ms(1000);
}
static void _ps2_set_leds(uint8_t leds)
{
ps2_host_send(0xED);
ps2_host_recv(); // 0xFA
ps2_host_send(leds);
ps2_host_recv(); // 0xFA
}

12
usb.h
View File

@ -6,6 +6,9 @@
#include <avr/io.h>
extern bool remote_wakeup;
extern bool suspend;
void usb_init(void); // initialize everything
uint8_t usb_configured(void); // is the USB port configured
void usb_remote_wakeup(void);
@ -85,8 +88,11 @@ void usb_remote_wakeup(void);
#define ENDPOINT_HALT 0
#define TEST_MODE 2
extern bool remote_wakeup;
extern bool suspend;
// LEDS
#define USB_LED_NUM_LOCK 0
#define USB_LED_CAPS_LOCK 1
#define USB_LED_SCROLL_LOCK 2
#define USB_LED_COMPOSE 3
#define USB_LED_KANA 4
#endif

1
usb_keycodes.h
View File

@ -82,6 +82,7 @@
#define KB_PWR KB_POWER
#define KB_VOLU KB_VOLUP
#define KB_VOLD KB_VOLDOWN
#define KB_APP KB_APPLICATION,
// Keypad
#define KB_P1 KB_KP_1
#define KB_P2 KB_KP_2