ps2_usb/README

   1 PS/2 to USB keyboard converter
   2 ==============================
   3 This firmware converts PS/2 keyboard protocol to USB and for now supports only Scan Code Set 2.
   4
   5
   6 Features
   7 --------
   8 Mouse keys
   9     You can emulates mouse move and button click using keyboard.
  10
  11 System/Media control
  12     You can sends Power event, Volume down/up and Mute.
  13
  14 USB NKRO(actually 120KRO+8Modifiers)
  15     You can tolggles NKRO feature.
  16
  17 Keymap customization
  18     You can customize keymaps easily by editing source code. See keymap.c.
  19
  20
  21 Build Converter
  22 ---------------
  23 0. Connect PS/2 keyboard into Teensy with 4 lines(Vcc, GND, Data, Clock).
  24    By default Clock is on PF0 and Data on PF1.
  25    You can change this pin configuration by editing config_pjrc.h.
  26    In this photo Vcc is yellow, GND is green, Data is red and Clock is black.
  27    http://img17.imageshack.us/img17/7243/201101181933.jpg
  28
  29
  30 Build Frimware
  31 --------------
  32 1. Edit Makefile for build options and MCU setting.
  33    Use 'atmega32u4' for Teensy 2.0 or 'at90usb1286' for Teensy++ 2.0.
  34 2. make
  35    Just type 'make' in a terminal.
  36 3. program with Teensy Loader.
  37    http://www.pjrc.com/teensy/loader.html
  38
  39
  40 Demonstration of Features
  41 -------------------------
  42 In default configuration, you can try several keymaps, mousekeys and USB NKRO.
  43 Use following magic key combinations to enable some features.
  44
  45 keymaps and NKRO:
  46     Magic+0:    Qwerty with mousekeys(default)
  47     Magic+1:    Qwerty without mousekeys
  48     Magic+2:    Colemak
  49     Magic+3:    Dvorak
  50     Magic+4:    Workman
  51     Magic+N:    toggles NKRO/6KRO(6KRO by default)
  52     Magic+Esc:  sends Power Event(Power button)
  53
  54     where Magic=(LShift+RShift) or (LControl+RShift)
  55
  56 Fn layer function:
  57     Fn0+(hjkl): Mousekey move(vi cursor like)
  58     Fn0+(yuio): Mouse wheel(left,down,up,right)
  59     Fn0+space:  Mouse left button
  60     Fn0+(mnb):  Mouse buttons(m=left, n=right, b=middle)
  61     Fn0+(zxc):  Media control(Volup, Voldown, Mute)
  62     Fn1+(hjkl): Cursor move(vi cursor like)
  63     Fn1+(nm,.): Cursor move(Home,PageDown,PageUp,End)
  64
  65     where Fn0=;, Fn1=/
  66
  67
  68 Keymap
  69 ------
  70 You can change a keymap by editing code of keymap.c like following.
  71 How to define the keymap is probably obvious. You can find  key symbols in usb_keycodes.h.
  72 To define keymap layer switching may needs a bit of your effort at this time.
  73
  74     /* Default Layer: plain keymap
  75      * ,---.   ,---------------. ,---------------. ,---------------. ,-----------.     ,-----------.
  76      * |Esc|   |F1 |F2 |F3 |F4 | |F5 |F6 |F7 |F8 | |F9 |F10|F11|F12| |PrS|ScL|Pau|     |Pwr|Slp|Wak|
  77      * `---'   `---------------' `---------------' `---------------' `-----------'     `-----------'
  78      * ,-----------------------------------------------------------. ,-----------. ,---------------.
  79      * |  `|  1|  2|  3|  4|  5|  6|  7|  8|  9|  0|  -|  =|Backspa| |Ins|Hom|PgU| |NmL|  /|  *|  -|
  80      * |-----------------------------------------------------------| |-----------| |---------------|
  81      * |Tab  |  Q|  W|  E|  R|  T|  Y|  U|  I|  O|  P|  [|  ]|    \| |Del|End|PgD| |  7|  8|  9|   |
  82      * |-----------------------------------------------------------| `-----------' |-----------|  +|
  83      * |CapsLo|  A|  S|  D|  F|  G|  H|  J|  K|  L|  ;|  '|Return  |               |  4|  5|  6|   |
  84      * |-----------------------------------------------------------|     ,---.     |---------------|
  85      * |Shift   |  Z|  X|  C|  V|  B|  N|  M|  ,|  ,|  /|Shift     |     |Up |     |  1|  2|  3|   |
  86      * |-----------------------------------------------------------| ,-----------. |-----------|Ent|
  87      * |Ctrl |Gui |Alt |         Space         |Alt |Gui |Menu|Ctrl| |Lef|Dow|Rig| |      0|  .|   |
  88      * `-----------------------------------------------------------' `-----------' `---------------'
  89      */
  90     KEYMAP(
  91     ESC, F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12,           PSCR,SLCK,BRK,          PWR, F13, F14,
  92     GRV, 1,   2,   3,   4,   5,   6,   7,   8,   9,   0,   MINS,EQL, BSPC,     INS, HOME,PGUP,    NLCK,PSLS,PAST,PMNS,
  93     TAB, Q,   W,   E,   R,   T,   Y,   U,   I,   O,   P,   LBRC,RBRC,BSLS,     DEL, END, PGDN,    P7,  P8,  P9,
  94     CAPS,A,   S,   D,   F,   G,   H,   J,   K,   L,   SCLN,QUOT,     ENT,                         P4,  P5,  P6,  PPLS,
  95     LSFT,Z,   X,   C,   V,   B,   N,   M,   COMM,DOT, SLSH,          RSFT,          UP,           P1,  P2,  P3,
  96     LCTL,LGUI,LALT,          SPC,                     RALT,RGUI,APP, RCTL,     LEFT,DOWN,RGHT,    P0,       PDOT,PENT
  97     ),
  98
  99
 100 Multimedia keys
 101 ---------------
 102 Following lists PS/2 special keys supported by Windows.
 103 http://msdn.microsoft.com/en-us/windows/hardware/gg463372.aspx
 104
 105 Key                         PS/2(Set2)      HID
 106 ---------------------------------------------------
 107 System Power                E0 37           01 0081
 108 System Sleep                E0 3F           01 0082
 109 System Wake                 E0 5E           01 0083
 110 System Mute                 E0 23           0C 00E2
 111 Volume Up                   E0 32           0C 00E9
 112 Volume Down                 E0 21           0C 00EA
 113 Scan Next Track             E0 4D           0C 00B5
 114 Scan Previous Track         E0 15           0C 00B6
 115 Stop                        E0 3B           0C 00B7
 116 Play/Pause                  E0 34           0C 00CD
 117 Media Select                E0 50           0C 0183
 118 Mail                        E0 48           0C 018A
 119 Calculator                  E0 2B           0C 0192
 120 My Computer                 E0 40           0C 0194
 121 WWW Search                  E0 10           0C 0221
 122 WWW Home                    E0 3A           0C 0223
 123 WWW Back                    E0 38           0C 0224
 124 WWW Forward                 E0 30           0C 0225
 125 WWW Stop                    E0 28           0C 0226
 126 WWW Refresh                 E0 20           0C 0227
 127 WWW Favorites               E0 18           0C 022A
 128
 129
 130 EOF