130 lines
5.7 KiB
Text
130 lines
5.7 KiB
Text
PS/2 to USB keyboard converter
|
|
==============================
|
|
This firmware converts PS/2 keyboard protocol to USB and for now supports only Scan Code Set 2.
|
|
|
|
|
|
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 feature.
|
|
|
|
Keymap customization
|
|
You can customize keymaps easily by editing source code. See keymap.c.
|
|
|
|
|
|
Build Converter
|
|
---------------
|
|
0. Connect PS/2 keyboard into Teensy with 4 lines(Vcc, GND, Data, Clock).
|
|
By default Clock is on PF0 and Data on PF1.
|
|
You can change this pin configuration by editing config_pjrc.h.
|
|
In this photo Vcc is yellow, GND is green, Data is red and Clock is black.
|
|
http://img17.imageshack.us/img17/7243/201101181933.jpg
|
|
|
|
|
|
Build Frimware
|
|
--------------
|
|
1. Edit Makefile for build options and MCU setting.
|
|
Use 'atmega32u4' for Teensy 2.0 or 'at90usb1286' for Teensy++ 2.0.
|
|
2. make
|
|
Just type 'make' in a terminal.
|
|
3. program with Teensy Loader.
|
|
http://www.pjrc.com/teensy/loader.html
|
|
|
|
|
|
Demonstration of Features
|
|
-------------------------
|
|
In default configuration, you can try several keymaps, mousekeys and USB NKRO.
|
|
Use following magic key combinations to enable some features.
|
|
|
|
keymaps and NKRO:
|
|
Magic+0: Qwerty with mousekeys(default)
|
|
Magic+1: Qwerty without mousekeys
|
|
Magic+2: Colemak
|
|
Magic+3: Dvorak
|
|
Magic+4: Workman
|
|
Magic+N: toggles NKRO/6KRO(6KRO by default)
|
|
Magic+Esc: sends Power Event(Power button)
|
|
|
|
where Magic=(LShift+RShift) or (LControl+RShift)
|
|
|
|
Fn layer function:
|
|
Fn0+(hjkl): Mousekey move(vi cursor like)
|
|
Fn0+(yuio): Mouse wheel(left,down,up,right)
|
|
Fn0+space: Mouse left button
|
|
Fn0+(mnb): Mouse buttons(m=left, n=right, b=middle)
|
|
Fn0+(zxc): Media control(Volup, Voldown, Mute)
|
|
Fn1+(hjkl): Cursor move(vi cursor like)
|
|
Fn1+(nm,.): Cursor move(Home,PageDown,PageUp,End)
|
|
|
|
where Fn0=;, Fn1=/
|
|
|
|
|
|
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.
|
|
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
|
|
),
|
|
|
|
|
|
Multimedia keys
|
|
---------------
|
|
Following lists PS/2 special keys supported by Windows.
|
|
http://msdn.microsoft.com/en-us/windows/hardware/gg463372.aspx
|
|
|
|
Key PS/2(Set2) HID
|
|
---------------------------------------------------
|
|
System Power E0 37 01 0081
|
|
System Sleep E0 3F 01 0082
|
|
System Wake E0 5E 01 0083
|
|
System Mute E0 23 0C 00E2
|
|
Volume Up E0 32 0C 00E9
|
|
Volume Down E0 21 0C 00EA
|
|
Scan Next Track E0 4D 0C 00B5
|
|
Scan Previous Track E0 15 0C 00B6
|
|
Stop E0 3B 0C 00B7
|
|
Play/Pause E0 34 0C 00CD
|
|
Media Select E0 50 0C 0183
|
|
Mail E0 48 0C 018A
|
|
Calculator E0 2B 0C 0192
|
|
My Computer E0 40 0C 0194
|
|
WWW Search E0 10 0C 0221
|
|
WWW Home E0 3A 0C 0223
|
|
WWW Back E0 38 0C 0224
|
|
WWW Forward E0 30 0C 0225
|
|
WWW Stop E0 28 0C 0226
|
|
WWW Refresh E0 20 0C 0227
|
|
WWW Favorites E0 18 0C 022A
|
|
|
|
|
|
EOF
|