From c8e1ad8c91e8edfd7a5c18d2b593ebf873924b13 Mon Sep 17 00:00:00 2001 From: tmk Date: Mon, 11 Oct 2010 23:28:03 +0900 Subject: [PATCH] make input ports(PE6,7) *with pullup*. --- HHKB/HHKB.txt | 70 ++++++++++----------------------------------------- matrix_hhkb.c | 4 +-- 2 files changed, 15 insertions(+), 59 deletions(-) diff --git a/HHKB/HHKB.txt b/HHKB/HHKB.txt index d673dc29..9440efeb 100644 --- a/HHKB/HHKB.txt +++ b/HHKB/HHKB.txt @@ -11,12 +11,12 @@ My prototype firmware source tree is here: branch: hhkb(http://github.com/tmk/tmk_keyboard/tree/hhkb) This firmware is a port of my previous project: HHKB style Mod(http://geekhack.org/showwiki.php?title=Island:11930) -PJRC(Teensy++/Teensy) - http://www.pjrc.com/teensy/ +PJRC: + Teensy++/Teensy(http://www.pjrc.com/teensy/) Pros: - * without pattern cuting, case mod and soldering + * without pattern cutting, case mod and soldering * can keep original controller intact * can change HHKB behaviour as you like(by C programming) @@ -35,6 +35,7 @@ Any suggestions or ideas are welcome. NOTE: My HHKB is just "Professional". This means followings may not be applied to "Professional2". + DISCLAIMER: I'm not a professional for electronics and MCU programming. This may damage your HHKB. And my English writing is poor, I'm not sure I can convey my notions accurately. @@ -57,6 +58,7 @@ HHKB pro has two PCBs and some chips. Controller PCB: M38K07M4 Renesas MCU with USB function http://documentation.renesas.com/eng/products/mpumcu/rej03b0192_38k0ds.pdf + (HHKB_controller.jpg) Keyswitch PCB: @@ -67,7 +69,9 @@ Keyswitch PCB: BU9831 Non-volatile electronic potentiometer: for calibration? http://www.alldatasheet.com/datasheet-pdf/pdf/36387/ROHM/BU9831.html TP1684 Capacitive Sensing controller: no datasheet available. + (HHKB_keyswitch.jpg) + Topre original chip? (HHKB_TP1684.jpg) @@ -79,8 +83,8 @@ Two PCBs are connected by 15 lines. Vcc/GND uses 3 lines each, 9lines for keyboa 1 Vcc(5V) 5V 2 Vcc(5V) 3 Vcc(5V) - 4 TP1684 KEY: Low(0) when key pressed PE6 input w/o pullup - 5 TP1684 unknown:how to use PE7 input w/o pullup + 4 TP1684 KEY: Low(0) when key pressed PE6 input(with pullup) + 5 TP1684 unknown:how to use PE7 input(with pullup) 6 HC4051 A(bit0) select 8 rows(0 to 7) PB0 output 7 HC4051 B(bit1) PB1 output 8 HC4051 C(bit2) PB2 output @@ -91,6 +95,7 @@ Two PCBs are connected by 15 lines. Vcc/GND uses 3 lines each, 9lines for keyboa 13 GND 14 GND 15 GND GND + (HHKB_connector.jpg) @@ -140,11 +145,13 @@ Signals charts: While pressing space bar, watched HHKB original controller signals by logic analyzer. Row and column is looping between 0-7 each for selecting a key. A key is scaned every about 15ms, so scan rate is 66Hz. + (HHKB_chart1.jpg) Space bar locate at ROW:3 COL:7. Key are selected by HC4051(C,B,A) and LS145(C,B,A). Key state can be read on TP1684(4/KEY) while asserting low on LS145(D). Usage of TP1684(5) is unknown. Key state can be read without using this signal. + (HHKB_chart2.jpg) @@ -174,57 +181,6 @@ Keymap layers ------------- Followings are added layers with additional Fn keys. They are not final decision. -Layer0(Default Layer): - ,-----------------------------------------------------------. - |Esc| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =| \| `| - |-----------------------------------------------------------| - |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]|Backs| - |-----------------------------------------------------------| - |Contro| A| S| D| F| G| H| J| K| L| ;| '|Return | - |-----------------------------------------------------------| - |Shift | Z| X| C| V| B| N| M| ,| .| /|Fn2 |Fn1| - `-----------------------------------------------------------' - |Gui|Alt |Space |Fn3 |Gui| - `-------------------------------------------' - -Layer1(Fn1) HHKB mode: - ,-----------------------------------------------------------. - |Pow| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Ins|Del| - |-----------------------------------------------------------| - |Caps | | | | | | | |Psc|Slk|Pus|Up | |Backs| - |-----------------------------------------------------------| - |Contro|VoD|VoU|Mut| | | *| /|Hom|PgU|Lef|Rig|Enter | - |-----------------------------------------------------------| - |Shift | | | | | | +| -|End|PgD|Dow|Shift |xxx| - `-----------------------------------------------------------' - |Gui |Alt |Space |Alt |Gui| - `--------------------------------------------' - -Layer2(Fn2) mouse mode: - ,-----------------------------------------------------------. - |Esc| | | | | | | | | | | | | | | - |-----------------------------------------------------------| - |Tab | | | | | | | | | | | | |Backs| - |-----------------------------------------------------------| - |Contro| | | | | | | |MwL|MwD|MwU|MwR|Return | - |-----------------------------------------------------------| - |Shift | | | | | | |McL|McD|McU|McR|xxxxxx| | - `-----------------------------------------------------------' - |Gui |Alt |Mb1 |Mb1 |Mb2| - `--------------------------------------------' - -Layer3(Fn3) vi mode: - ,-----------------------------------------------------------. - |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12| | | - |-----------------------------------------------------------| - |Tab | | | | | |Hom|PgD|PgUlEnd| |MwD|MwU|Backs| - |-----------------------------------------------------------| - |Contro| | | | | |Lef|Dow|Up |Rig| | |Return | - |-----------------------------------------------------------| - |Shift | | | | | | |McL|McD|McU|McR|Mb1 | | - `-----------------------------------------------------------' - |Gui|Alt |Mb1 |xxxxx|Mb2| - `-------------------------------------------' - Mc: Mouse Cursor / Mb: Mouse Button / Mw: Mouse Wheel +see keymap_hhkb.c EOF diff --git a/matrix_hhkb.c b/matrix_hhkb.c index d6ac0101..d1c0003b 100644 --- a/matrix_hhkb.c +++ b/matrix_hhkb.c @@ -37,9 +37,9 @@ void matrix_init(void) // row & col output(PB0-6) DDRB = 0xFF; PORTB = KEY_SELELCT(0, 0); - // KEY & VALID input w/o pullup(PE6,7) + // KEY & VALID input with pullup(PE6,7) DDRE = 0x3F; - PORTE = 0x00; + PORTE = 0xC0; // initialize matrix state: all keys off for (int i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0xFF; -- 2.46.2