forked from mirrors/qmk_userspace
		
	make input ports(PE6,7) *with pullup*.
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					 2 changed files with 15 additions and 59 deletions
				
			
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			@ -11,12 +11,12 @@ My prototype firmware source tree is here:
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    branch: hhkb(http://github.com/tmk/tmk_keyboard/tree/hhkb)
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This firmware is a port of my previous project:
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    HHKB style Mod(http://geekhack.org/showwiki.php?title=Island:11930)
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PJRC(Teensy++/Teensy)
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    http://www.pjrc.com/teensy/
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PJRC:
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    Teensy++/Teensy(http://www.pjrc.com/teensy/)
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Pros:
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    * without pattern cuting, case mod  and soldering
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    * without pattern cutting, case mod  and soldering
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    * can keep original controller intact
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    * can change HHKB behaviour as you like(by C programming)
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			@ -35,6 +35,7 @@ Any suggestions or ideas are welcome.
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NOTE:
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    My HHKB is just "Professional". This means followings may not be applied to "Professional2".
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DISCLAIMER:
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    I'm not a professional for electronics and MCU programming. This may damage your HHKB.
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    And my English writing is poor, I'm not sure I can convey my notions accurately.
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			@ -57,6 +58,7 @@ HHKB pro has two PCBs and some chips.
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Controller PCB:
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    M38K07M4    Renesas MCU with USB function
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                http://documentation.renesas.com/eng/products/mpumcu/rej03b0192_38k0ds.pdf
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    (HHKB_controller.jpg)
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Keyswitch PCB:
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			@ -67,7 +69,9 @@ Keyswitch PCB:
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    BU9831      Non-volatile electronic potentiometer: for calibration?
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                http://www.alldatasheet.com/datasheet-pdf/pdf/36387/ROHM/BU9831.html
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    TP1684      Capacitive Sensing controller: no datasheet available.
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    (HHKB_keyswitch.jpg)
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    Topre original chip?
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    (HHKB_TP1684.jpg)
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			@ -79,8 +83,8 @@ Two PCBs are connected by 15 lines. Vcc/GND uses 3 lines each, 9lines for keyboa
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     1  Vcc(5V)                                             5V
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     2  Vcc(5V)
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     3  Vcc(5V)
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     4  TP1684    KEY: Low(0) when key pressed              PE6 input w/o pullup
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     5  TP1684    unknown:how to use                        PE7 input w/o pullup
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     4  TP1684    KEY: Low(0) when key pressed              PE6 input(with pullup)
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     5  TP1684    unknown:how to use                        PE7 input(with pullup)
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     6  HC4051    A(bit0) select 8 rows(0 to 7)             PB0 output
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     7  HC4051    B(bit1)                                   PB1 output
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     8  HC4051    C(bit2)                                   PB2 output
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			@ -91,6 +95,7 @@ Two PCBs are connected by 15 lines. Vcc/GND uses 3 lines each, 9lines for keyboa
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    13  GND
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    14  GND
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    15  GND                                                 GND
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    (HHKB_connector.jpg)
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			@ -140,11 +145,13 @@ Signals charts:
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    While pressing space bar, watched HHKB original controller signals by logic analyzer.
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    Row and column is looping between 0-7 each for selecting a key.
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    A key is scaned every about 15ms, so scan rate is 66Hz.
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    (HHKB_chart1.jpg)
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    Space bar locate at ROW:3 COL:7. Key are selected by HC4051(C,B,A) and LS145(C,B,A).
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    Key state can be read on TP1684(4/KEY) while asserting low on LS145(D). 
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    Usage of TP1684(5) is unknown. Key state can be read without using this signal.
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    (HHKB_chart2.jpg)
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			@ -174,57 +181,6 @@ Keymap layers
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-------------
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Followings are added layers with additional Fn keys. They are not final decision.
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Layer0(Default Layer):
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    ,-----------------------------------------------------------.
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    |Esc|  1|  2|  3|  4|  5|  6|  7|  8|  9|  0|  -|  =|  \|  `|
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    |-----------------------------------------------------------|
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    |Tab  |  Q|  W|  E|  R|  T|  Y|  U|  I|  O|  P|  [|  ]|Backs|
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    |-----------------------------------------------------------|
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    |Contro|  A|  S|  D|  F|  G|  H|  J|  K|  L|  ;|  '|Return  |
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    |-----------------------------------------------------------|
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    |Shift   |  Z|  X|  C|  V|  B|  N|  M|  ,|  .|  /|Fn2   |Fn1|
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    `-----------------------------------------------------------'
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          |Gui|Alt  |Space                  |Fn3  |Gui|
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          `-------------------------------------------'
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Layer1(Fn1) HHKB mode:
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    ,-----------------------------------------------------------.
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    |Pow| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Ins|Del|
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    |-----------------------------------------------------------|
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    |Caps |   |   |   |   |   |   |   |Psc|Slk|Pus|Up |   |Backs|
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    |-----------------------------------------------------------|
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    |Contro|VoD|VoU|Mut|   |   |  *|  /|Hom|PgU|Lef|Rig|Enter   |
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    |-----------------------------------------------------------|
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    |Shift   |   |   |   |   |   |  +|  -|End|PgD|Dow|Shift |xxx|
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    `-----------------------------------------------------------'
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         |Gui |Alt  |Space                  |Alt  |Gui|
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         `--------------------------------------------'
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Layer2(Fn2) mouse mode:
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    ,-----------------------------------------------------------.
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    |Esc|   |   |   |   |   |   |   |   |   |   |   |   |   |   |
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    |-----------------------------------------------------------|
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    |Tab  |   |   |   |   |   |   |   |   |   |   |   |   |Backs|
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    |-----------------------------------------------------------|
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    |Contro|   |   |   |   |   |   |   |MwL|MwD|MwU|MwR|Return  |
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    |-----------------------------------------------------------|
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    |Shift   |   |   |   |   |   |   |McL|McD|McU|McR|xxxxxx|   |
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    `-----------------------------------------------------------'
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         |Gui |Alt  |Mb1                    |Mb1  |Mb2|
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         `--------------------------------------------'
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Layer3(Fn3) vi mode:
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    ,-----------------------------------------------------------.
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    |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|   |   |
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    |-----------------------------------------------------------|
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    |Tab  |   |   |   |   |   |Hom|PgD|PgUlEnd|   |MwD|MwU|Backs|
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    |-----------------------------------------------------------|
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    |Contro|   |   |   |   |   |Lef|Dow|Up |Rig|   |   |Return  |
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    |-----------------------------------------------------------|
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    |Shift   |   |   |   |   |   |   |McL|McD|McU|McR|Mb1   |   |
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    `-----------------------------------------------------------'
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          |Gui|Alt  |Mb1                    |xxxxx|Mb2|
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          `-------------------------------------------'
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    Mc: Mouse Cursor / Mb: Mouse Button / Mw: Mouse Wheel 
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see keymap_hhkb.c
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EOF
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			@ -37,9 +37,9 @@ void matrix_init(void)
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    // row & col output(PB0-6)
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    DDRB = 0xFF;
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    PORTB = KEY_SELELCT(0, 0);
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    // KEY & VALID input w/o pullup(PE6,7)
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    // KEY & VALID input with pullup(PE6,7)
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    DDRE = 0x3F;
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    PORTE = 0x00;
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    PORTE = 0xC0;
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    // initialize matrix state: all keys off
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    for (int i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0xFF;
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