tmk
parent
34373185b7
commit
6013483050
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@ -53,12 +53,6 @@ SRC += keymap_common.c \
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matrix.c \
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led.c
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ifdef KEYMAP
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SRC := keymap_$(KEYMAP).c $(SRC)
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else
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SRC := keymap_hhkb.c $(SRC)
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endif
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CONFIG_H = config.h
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@ -123,7 +117,27 @@ EXTRAKEY_ENABLE = yes # Audio control and System control
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CONSOLE_ENABLE = yes # Console for debug
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COMMAND_ENABLE = yes # Commands for debug and configuration
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NKRO_ENABLE = yes # USB Nkey Rollover
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KEYMAP_SECTION_ENABLE = yes # fixed address keymap for keymap editor
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#KEYMAP_SECTION_ENABLE = yes # fixed address keymap for keymap editor
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#HHKB_JP = yes # HHKB JP support
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ifdef HHKB_JP
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OPT_DEFS += -DHHKB_JP
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endif
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#
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# Keymap file
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#
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ifdef KEYMAP
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SRC := keymap_$(KEYMAP).c $(SRC)
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else
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ifdef HHKB_JP
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SRC := keymap_jp.c $(SRC)
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else
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SRC := keymap_hhkb.c $(SRC)
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endif
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endif
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# Search Path
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@ -28,7 +28,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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/* matrix size */
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#ifdef HHKB_JP
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# define MATRIX_ROWS 16
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#else
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# define MATRIX_ROWS 8
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#endif
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#define MATRIX_COLS 8
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@ -12,11 +12,11 @@ Controller PCB
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Keyswitch PCB
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-------------
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HC4051 Analog Multiplexer: select a row line.
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http://www.alldatasheet.com/datasheet-pdf/pdf/203989/KODENSHI/KK74HC4051A.html
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http://www.ti.com/lit/ds/schs122j/schs122j.pdf
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LS145 BCD Decoder: select a column line.
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http://www.alldatasheet.com/datasheet-pdf/pdf/27373/TI/SN74LS145D.html
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http://www.ti.com/lit/ds/symlink/sn74ls145.pdf
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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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https://www.spezial.com/doc/rohm-a/bu9831.pdf
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TP1683/4 Capacitive Sensing controller: no datasheet available.
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(HHKB_keyswitch.jpg)
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@ -28,37 +28,41 @@ Keyswitch PCB
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Connector Cable
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---------------
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Two PCBs are connected by 15 lines(13 in case of Pro2).
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Vcc and GND use 3(2) lines each, other 9 lines are for keyboard signaling.
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Vcc and GND use 3(2) lines each, other lines are for keyboard signaling.
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Keyswitch connector
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pro pro2 Description Teensy++ pins
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HHKB connector lines:
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JP Pro2 Pro Function Description Teensy++ pins
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--------------------------------------------------------------------------------------------
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1 Vcc(5V) Not exist on Pro2 5V
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2 1 Vcc(5V) 5V
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3 2 Vcc(5V) 5V
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4 3 TP1684 KEY: Low(0) when key pressed PE6 input(with pullup)
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5 4 TP1684 KEY_PREV: make threshold PE7 output
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6 5 HC4051 A(bit0)\ PB0 output
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7 6 HC4051 B(bit1) > select row(0 to 7) PB1 output
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8 7 HC4051 C(bit2)/ PB2 output
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9 8 LS145 A(bit0)\ PB3 output
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10 9 LS145 B(bit1) > select column(0 to 7) PB4 output
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11 10 LS145 C(bit2)/ PB5 output
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12 11 LS145 D(enable) Low(0) enables selected column PB6 output
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13 12 GND GND
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14 13 GND GND
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15 GND Not exist on Pro2 GND
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1 Vcc(5V) 5V
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1 1 2 Vcc(5V) 5V
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2 2 3 Vcc(5V) 5V
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3 3 4 TP1684 KEY: Low(0) when key pressed PE6 input(with pullup)
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4 4 5 TP1684 KEY_PREV: make threshold PE7 output
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5 5 6 HC4051 A(bit0)\ PB0 output
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6 6 7 HC4051 B(bit1) > select row 0-7 PB1 output
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7 7 8 HC4051 C(bit2)/ PB2 output
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8 8 9 LS145 A(bit0)\ PB3 output
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9 9 10 LS145 B(bit1) > select column 0-7 PB4 output
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10 10 11 LS145 C(bit2)/ PB5 output
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11 11 12 LS145 D(enable) Low(0) enables selected column PB6 output
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12 12 13 GND GND
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13 13 14 GND GND
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15 GND
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14 HC4051(Z2) ~Enable of Z2 row0-7
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15 HC4051(Z3) ~Enable of Z3 row8-15
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NOTE: guessing pin5(KEY_PREV) may work for hysteresis of capacitive sensing.
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NOTE: 1KOhm didn't work as pullup resistor on KEY. AVR internal pullup or 10KOhm resistor was OK.
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NOTE: JP has two HC4051(Z2,Z3) and line 5, 6 and 7 are connected to both of them.
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(HHKB_connector.jpg)
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Keyswitch matrix
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----------------
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60 keyswitches in 8*8 matrix. It is ghost-free and bounce-free.
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HHKB switch matrix is ghost-free and bounce-free.
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Pro/Pro2(8x8):
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COL 0 1 2 3 4 5 6 7
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ROW ---------------------------------------------------------------
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0| 2 q w s a z x c
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@ -71,8 +75,30 @@ Keyswitch matrix
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7| - + ] [ ' / . _NONE_
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JP(16x8):
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COL 0 1 2 3 4 5 6 7
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ROW ---------------------------------------------------------------
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0| ESC TAB LFn LShift LCtrl
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1| 4 E MuHKN C D
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2| 3 W LAlt X S
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3| 1 HHK
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4|
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5| 5 R V F
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6| 2 Q LGui Z A
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7| 6 T Space B G
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8| 9 I Kana , K
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9| 8 U Henkan M J
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A| 7 Y N H
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B| 0 O RAlt . L
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C| BS Right RShift Enter
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D| \ [ Down Up ]
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E| - P RFn / ;
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F| ~ @ Left Ro :
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Matrix diagram:
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Pro/Pro2:
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+-------------------------+-+-+-+-+-+-+-+ Vcc
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|bias control? - - - - - - - - ---
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| 3.9K*8 R R R R R R R R |
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@ -89,13 +115,49 @@ Matrix diagram:
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KEY PREV | A B C +-----------------+
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| | +-^----+ | | | | LS145 |
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Vcc | | |BU9831| | | | +-^--^--^--^------+
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--- | | +------+ | | | A B C D +------+
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--- | | +------+ | | | A B C D +-------+
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| | | | | | | | | | | |
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1-3 4 5 6 7 8 9 10 11 12 13-15 |
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1-3 4 5 6 7 8 9 10 11 12 13-15 Pro |
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1-2 3 4 5 6 7 8 9 10 11 12-13 Pro2|
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+--------------------------------------------------+ |
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| connector | ---
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+--------------------------------------------------+ GND
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JP:
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+-----------------------------+-+-+-+-+ Vcc
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|bias control? - - - - - ---
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| 3.9K*5 R R R R R |
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+--------^+ +--------+ - - - - - |
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| | | HC4051 <0-----------|-|-|-|-|----|R|-+
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| |capa. | Z2 <1-----------|-|-|-|-|----|R|-+
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| TP1684 |sense | <2-----------|-|-|-|-|----|R|-+
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| <---+--| <3-----------|-|-|-|-|----|R|-+
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| | | | <4-----------|-|-|-|-|----|R|-+
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| | ~En| <5-----------|-|-|-|-|----|R|-+
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| | +----> <6-----------|-|-|-|-|----|R|-+
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| | | | | A B C <7-----------|-|-|-|-|----|R|-+
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+---V---^-+ | | +-^-^-^--+ | | | | | |
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KEY PREV | | | | | | | | | | |
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| | | | +--------+ | | | | | |
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| | | | | HC4051 <8-----------|-|-|-|-|----|R|-+
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| | | | | Z3 <9-----------|-|-|-|-|----|R|-+
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| | | +--| <A-----------|-|-|-|-|----|R|-+
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| | | | <B-----------|-|-|-|-|----|R|-+
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| | | | <C-----------|-|-|-|-|----|R|-+
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| | | ~En| <D-----------|-|-|-|-|----|R|-+
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| | | +-> <E-----------|-|-|-|-|----|R|-+
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| | | | | A B C <F-----------|-|-|-|-|----|R|-+
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| | | | +-^-^-^--+ 0 1 2 3 4 5 6 7 33K*8
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| | | | | | | +-----------------+
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| | | | | | | | LS145 |
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Vcc | | | | | | | +-^--^--^--^------+
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--- | | | | | | | A B C D +-------+
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1-2 3 4 14 15 5 6 7 8 9 10 11 12-13 |
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+--------------------------------------------------+ |
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| connector | ---
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+--------------------------------------------------+ GND
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to controller
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Signals charts
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@ -114,6 +176,33 @@ Signals charts
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(HHKB_chart2.jpg)
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5us after setting colA-C
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colA _~~~~~~~~~~~~~~~~~~
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prev _~~~~_____ 20us if previous key state is low
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colD ~~~__~~~~~ 10us column enabled
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key ~~~____~~~ 22us hold state of the key
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prev ____~~~~__________ 20us(JP)/17us(Pro2)
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key ~~~~~~_____~~~~~~~ 22us
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colD ~~~~~~__~~~~~~~~~~ 10us(LS175)
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colC ____~~~~____~~~~ 550/410us(JP)
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colB __~~__~~__~~__~~ 200/210us(JP)
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colA _~_~_~_~_~_~_~_~ 100/110us(JP) 200/210us(Pro2)
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0123456701234567 selected column
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rowC ____~~~~____~~~~ 3.8/3.8ms(JP) S2 of HC4051
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rowB __~~__~~__~~__~~ 1.9/1.9ms(JP) S1 of HC4051
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rowA _~_~_~_~_~_~_~_~ 1.0/1.0ms(JP) S0 of HC4051
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0123456701234567 selected row(Pro/Pro2)
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0123456789ABCDEF selected row(JP)
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rowEn0 ________~~~~~~~~ 7.7/7.7ms ~Enable of Z2 HC4051(JP only)
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rowEn1 ~~~~~~~~________ 7.7/7.7ms ~Enable of Z3 HC4051(JP only)
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NOTE: JP scans twice fast as Pro2 does. So Pro2 scan 8x8 matrix in 15.4ms while JP can 16x8 in that time.
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Matrix scan pseudo code
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-----------------------
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@ -0,0 +1,148 @@
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#ifndef HHKB_AVR_H
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#define HHKB_AVR_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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// Timer resolution check
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#if (1000000/TIMER_RAW_FREQ > 20)
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# error "Timer resolution(>20us) is not enough for HHKB matrix scan tweak on V-USB."
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#endif
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/*
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* HHKB Matrix I/O
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*
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* row: HC4051[A,B,C] selects scan row0-7
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* row-ext: [En0,En1] row extention for JP
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* col: LS145[A,B,C,D] selects scan col0-7 and enable(D)
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* key: on: 0/off: 1
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* prev: hysteresis control: assert(1) when previous key state is on
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*/
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#if defined(__AVR_ATmega32U4__)
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/*
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* For TMK HHKB alt controller(ATMega32U4)
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*
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* row: PB0-2
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* col: PB3-5,6
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* key: PD7(pull-uped)
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* prev: PB7
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* power: PD4(L:off/H:on)
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* row-ext: PC6,7 for HHKB JP(active low)
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*/
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static inline void KEY_ENABLE(void) { (PORTB &= ~(1<<6)); }
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static inline void KEY_UNABLE(void) { (PORTB |= (1<<6)); }
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static inline bool KEY_STATE(void) { return (PIND & (1<<7)); }
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static inline void KEY_PREV_ON(void) { (PORTB |= (1<<7)); }
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static inline void KEY_PREV_OFF(void) { (PORTB &= ~(1<<7)); }
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static inline void KEY_POWER_ON(void) {}
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static inline void KEY_POWER_OFF(void) {}
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static inline void KEY_INIT(void)
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{
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DDRB = 0xFF;
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PORTB = 0x00;
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DDRD &= ~0x80;
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PORTD |= 0x80;
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/* keyswitch board power on */
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DDRD |= (1<<4);
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PORTD |= (1<<4);
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#ifdef HHKB_JP
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/* row extention for HHKB JP */
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DDRC |= (1<<6|1<<7);
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PORTC |= (1<<6|1<<7);
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#endif
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KEY_UNABLE();
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KEY_PREV_OFF();
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}
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static inline void KEY_SELECT(uint8_t ROW, uint8_t COL)
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{
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PORTB = (PORTB & 0xC0) | (((COL) & 0x07)<<3) | ((ROW) & 0x07);
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#ifdef HHKB_JP
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if ((ROW) & 0x08) PORTC = (PORTC & ~(1<<6|1<<7)) | (1<<6);
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else PORTC = (PORTC & ~(1<<6|1<<7)) | (1<<7);
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#endif
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}
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#elif defined(__AVR_AT90USB1286__)
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/*
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* For Teensy++(AT90USB1286)
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*
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* row: PB0-2
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* col: PB3-5,6
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* key: PE6(pull-uped)
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* prev: PE7
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*
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* TODO: convert into 'staitc inline' function
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*/
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#define KEY_INIT() do { \
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DDRB |= 0x7F; \
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DDRE |= (1<<7); \
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DDRE &= ~(1<<6); \
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PORTE |= (1<<6); \
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} while (0)
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#define KEY_SELECT(ROW, COL) (PORTB = (PORTB & 0xC0) | \
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(((COL) & 0x07)<<3) | \
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((ROW) & 0x07))
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#define KEY_ENABLE() (PORTB &= ~(1<<6))
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#define KEY_UNABLE() (PORTB |= (1<<6))
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#define KEY_STATE() (PINE & (1<<6))
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#define KEY_PREV_ON() (PORTE |= (1<<7))
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#define KEY_PREV_OFF() (PORTE &= ~(1<<7))
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#define KEY_POWER_ON()
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#define KEY_POWER_OFF()
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#else
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# error "define code for matrix scan"
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#endif
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#if 0
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// For ATMega328P with V-USB
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//
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// #elif defined(__AVR_ATmega328P__)
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// Ports for V-USB
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// key: PB0(pull-uped)
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// prev: PB1
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// row: PB2-4
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// col: PC0-2,3
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// power: PB5(Low:on/Hi-z:off)
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#define KEY_INIT() do { \
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DDRB |= 0x3E; \
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DDRB &= ~(1<<0); \
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PORTB |= 1<<0; \
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DDRC |= 0x0F; \
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KEY_UNABLE(); \
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KEY_PREV_OFF(); \
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} while (0)
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#define KEY_SELECT(ROW, COL) do { \
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PORTB = (PORTB & 0xE3) | ((ROW) & 0x07)<<2; \
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PORTC = (PORTC & 0xF8) | ((COL) & 0x07); \
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} while (0)
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#define KEY_ENABLE() (PORTC &= ~(1<<3))
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#define KEY_UNABLE() (PORTC |= (1<<3))
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#define KEY_STATE() (PINB & (1<<0))
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#define KEY_PREV_ON() (PORTB |= (1<<1))
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#define KEY_PREV_OFF() (PORTB &= ~(1<<1))
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// Power supply switching
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#define KEY_POWER_ON() do { \
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KEY_INIT(); \
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PORTB &= ~(1<<5); \
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_delay_ms(1); \
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} while (0)
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#define KEY_POWER_OFF() do { \
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DDRB &= ~0x3F; \
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PORTB &= ~0x3F; \
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DDRC &= ~0x0F; \
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PORTC &= ~0x0F; \
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} while (0)
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#endif
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#endif
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@ -54,4 +54,31 @@ extern const uint16_t fn_actions[];
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{ KC_##K70, KC_##K71, KC_##K72, KC_##K73, KC_##K74, KC_##K75, KC_##K76, KC_NO } \
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}
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#define KEYMAP_JP( \
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K02, K32, K62, K22, K12, K52, K72, KA2, K92, K82, KB2, KE2, KF2, KD2, KC2, \
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K03, K63, K23, K13, K53, K73, KA3, K93, K83, KB3, KE3, KF3, KD3, \
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K06, K66, K26, K16, K56, K76, KA6, K96, K86, KB6, KE6, KF6, KD6, KC6, \
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K05, K65, K25, K15, K55, K75, KA5, K95, K85, KB5, KE5, KF5, KD5, KC5, \
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K04, K34, K64, K24, K14, K74, K94, K84, KB4, KE4, KF4, KD4, KC4 \
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) \
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{ \
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{ KC_NO, KC_NO, KC_##K02, KC_##K03, KC_##K04, KC_##K05, KC_##K06, KC_NO }, \
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{ KC_NO, KC_NO, KC_##K12, KC_##K13, KC_##K14, KC_##K15, KC_##K16, KC_NO }, \
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{ KC_NO, KC_NO, KC_##K22, KC_##K23, KC_##K24, KC_##K25, KC_##K26, KC_NO }, \
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{ KC_NO, KC_NO, KC_##K32, KC_NO, KC_##K34, KC_NO, KC_NO, KC_NO }, \
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{ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \
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{ KC_NO, KC_NO, KC_##K52, KC_##K53, KC_NO, KC_##K55, KC_##K56, KC_NO }, \
|
||||
{ KC_NO, KC_NO, KC_##K62, KC_##K63, KC_##K64, KC_##K65, KC_##K66, KC_NO }, \
|
||||
{ KC_NO, KC_NO, KC_##K72, KC_##K73, KC_##K74, KC_##K75, KC_##K76, KC_NO }, \
|
||||
{ KC_NO, KC_NO, KC_##K82, KC_##K83, KC_##K84, KC_##K85, KC_##K86, KC_NO }, \
|
||||
{ KC_NO, KC_NO, KC_##K92, KC_##K93, KC_##K94, KC_##K95, KC_##K96, KC_NO }, \
|
||||
{ KC_NO, KC_NO, KC_##KA2, KC_##KA3, KC_NO, KC_##KA5, KC_##KA6, KC_NO }, \
|
||||
{ KC_NO, KC_NO, KC_##KB2, KC_##KB3, KC_##KB4, KC_##KB5, KC_##KB6, KC_NO }, \
|
||||
{ KC_NO, KC_NO, KC_##KC2, KC_NO, KC_##KC4, KC_##KC5, KC_##KC6, KC_NO }, \
|
||||
{ KC_NO, KC_NO, KC_##KD2, KC_##KD3, KC_##KD4, KC_##KD5, KC_##KD6, KC_NO }, \
|
||||
{ KC_NO, KC_NO, KC_##KE2, KC_##KE3, KC_##KE4, KC_##KE5, KC_##KE6, KC_NO }, \
|
||||
{ KC_NO, KC_NO, KC_##KF2, KC_##KF3, KC_##KF4, KC_##KF5, KC_##KF6, KC_NO } \
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -0,0 +1,50 @@
|
|||
/*
|
||||
* HHKB JP Layout
|
||||
*/
|
||||
#include "keymap_common.h"
|
||||
|
||||
|
||||
#ifdef KEYMAP_SECTION_ENABLE
|
||||
const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS] __attribute__ ((section (".keymap.keymaps"))) = {
|
||||
#else
|
||||
const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS] PROGMEM = {
|
||||
#endif
|
||||
/* Layer 0: Default Layer */
|
||||
KEYMAP_JP(ESC, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, JYEN,BSPC, \
|
||||
TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC, \
|
||||
LCTL,A, S, D, F, G, H, J, K, L, SCLN,QUOT,BSLS,ENT, \
|
||||
LSFT,Z, X, C, V, B, N, M, COMM,DOT, SLSH,RO, UP, RSFT, \
|
||||
FN0, ZKHK,LGUI,LALT,MHEN, SPC, HENK,KANA,RALT,FN0, LEFT,DOWN,RGHT),
|
||||
|
||||
/* Layer 1: HHKB mode (HHKB Fn)
|
||||
* ,-----------------------------------------------------------.
|
||||
* |Pwr| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Ins|Del|
|
||||
* |-----------------------------------------------------------|
|
||||
* |Caps | | | | | | | |Psc|Slk|Pus|Up | | |
|
||||
* |------------------------------------------------------` |
|
||||
* | |VoD|VoU|Mut| | | *| /|Hom|PgU|Lef|Rig| | |
|
||||
* |-----------------------------------------------------------|
|
||||
* | | | | | | | +| -|End|PgD|Dow| | | |
|
||||
* |-----------------------------------------------------------|
|
||||
* | || | | | | | | | | || | | |
|
||||
* `-----------------------------------------------------------'
|
||||
*/
|
||||
KEYMAP_JP(PWR, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, \
|
||||
CAPS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,PSCR,SLCK,PAUS, UP, TRNS, \
|
||||
TRNS,VOLD,VOLU,MUTE,TRNS,TRNS,PAST,PSLS,HOME,PGUP,LEFT,RGHT,TRNS,PENT, \
|
||||
TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,PPLS,PMNS,END, PGDN,DOWN,TRNS,TRNS,TRNS, \
|
||||
TRNS,TRNS,TRNS,TRNS,TRNS, TRNS, TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS),
|
||||
};
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* Fn action definition
|
||||
*/
|
||||
#ifdef KEYMAP_SECTION_ENABLE
|
||||
const uint16_t fn_actions[] __attribute__ ((section (".keymap.fn_actions"))) = {
|
||||
#else
|
||||
const uint16_t fn_actions[] PROGMEM = {
|
||||
#endif
|
||||
[0] = ACTION_LAYER_MOMENTARY(1),
|
||||
};
|
||||
|
|
@ -20,20 +20,13 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|||
*/
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include <avr/io.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <util/delay.h>
|
||||
#include "print.h"
|
||||
#include "debug.h"
|
||||
#include "util.h"
|
||||
#include "timer.h"
|
||||
#include "matrix.h"
|
||||
|
||||
|
||||
// Timer resolution check
|
||||
#if (1000000/TIMER_RAW_FREQ > 20)
|
||||
# error "Timer resolution(>20us) is not enough for HHKB matrix scan tweak on V-USB."
|
||||
#endif
|
||||
#include "hhkb_avr.h"
|
||||
|
||||
|
||||
// matrix state buffer(1:on, 0:off)
|
||||
|
|
@ -43,122 +36,6 @@ static matrix_row_t _matrix0[MATRIX_ROWS];
|
|||
static matrix_row_t _matrix1[MATRIX_ROWS];
|
||||
|
||||
|
||||
// Matrix I/O ports
|
||||
//
|
||||
// row: HC4051[A,B,C] selects scan row0-7
|
||||
// col: LS145[A,B,C,D] selects scan col0-7 and enable(D)
|
||||
// key: on: 0/off: 1
|
||||
// prev: unknown: output previous key state(negated)?
|
||||
|
||||
#if defined(__AVR_AT90USB1286__)
|
||||
// Ports for Teensy++
|
||||
// row: PB0-2
|
||||
// col: PB3-5,6
|
||||
// key: PE6(pull-uped)
|
||||
// prev: PE7
|
||||
#define KEY_INIT() do { \
|
||||
DDRB |= 0x7F; \
|
||||
DDRE |= (1<<7); \
|
||||
DDRE &= ~(1<<6); \
|
||||
PORTE |= (1<<6); \
|
||||
} while (0)
|
||||
#define KEY_SELECT(ROW, COL) (PORTB = (PORTB & 0xC0) | \
|
||||
(((COL) & 0x07)<<3) | \
|
||||
((ROW) & 0x07))
|
||||
#define KEY_ENABLE() (PORTB &= ~(1<<6))
|
||||
#define KEY_UNABLE() (PORTB |= (1<<6))
|
||||
#define KEY_STATE() (PINE & (1<<6))
|
||||
#define KEY_PREV_ON() (PORTE |= (1<<7))
|
||||
#define KEY_PREV_OFF() (PORTE &= ~(1<<7))
|
||||
#define KEY_POWER_ON()
|
||||
#define KEY_POWER_OFF()
|
||||
|
||||
#elif defined(__AVR_ATmega32U4__)
|
||||
// Ports for my designed Alt Controller PCB
|
||||
// row: PB0-2
|
||||
// col: PB3-5,6
|
||||
// key: PD7(pull-uped)
|
||||
// prev: PB7
|
||||
// power: PD4(L:off/H:on)
|
||||
#define KEY_INIT() do { \
|
||||
DDRB = 0xFF; \
|
||||
PORTB = 0x00; \
|
||||
DDRD &= ~0x80; \
|
||||
PORTD |= 0x80; \
|
||||
/* keyswitch board power on */ \
|
||||
DDRD |= (1<<4); \
|
||||
PORTD |= (1<<4); \
|
||||
KEY_UNABLE(); \
|
||||
KEY_PREV_OFF(); \
|
||||
} while (0)
|
||||
#define KEY_SELECT(ROW, COL) (PORTB = (PORTB & 0xC0) | \
|
||||
(((COL) & 0x07)<<3) | \
|
||||
((ROW) & 0x07))
|
||||
#define KEY_ENABLE() (PORTB &= ~(1<<6))
|
||||
#define KEY_UNABLE() (PORTB |= (1<<6))
|
||||
#define KEY_STATE() (PIND & (1<<7))
|
||||
#define KEY_PREV_ON() (PORTB |= (1<<7))
|
||||
#define KEY_PREV_OFF() (PORTB &= ~(1<<7))
|
||||
#define KEY_POWER_ON()
|
||||
#define KEY_POWER_OFF()
|
||||
/*
|
||||
#define KEY_POWER_ON() do { \
|
||||
KEY_INIT(); \
|
||||
PORTD |= (1<<4); \
|
||||
_delay_ms(1); \
|
||||
} while (0)
|
||||
#define KEY_POWER_OFF() do { \
|
||||
PORTD &= ~(1<<4); \
|
||||
DDRB &= ~0xFF; \
|
||||
PORTB &= ~0xFF; \
|
||||
DDRB &= ~0x80; \
|
||||
PORTB &= ~0x80; \
|
||||
} while (0)
|
||||
*/
|
||||
|
||||
|
||||
#elif defined(__AVR_ATmega328P__)
|
||||
// Ports for V-USB
|
||||
// key: PB0(pull-uped)
|
||||
// prev: PB1
|
||||
// row: PB2-4
|
||||
// col: PC0-2,3
|
||||
// power: PB5(Low:on/Hi-z:off)
|
||||
#define KEY_INIT() do { \
|
||||
DDRB |= 0x3E; \
|
||||
DDRB &= ~(1<<0); \
|
||||
PORTB |= 1<<0; \
|
||||
DDRC |= 0x0F; \
|
||||
KEY_UNABLE(); \
|
||||
KEY_PREV_OFF(); \
|
||||
} while (0)
|
||||
#define KEY_SELECT(ROW, COL) do { \
|
||||
PORTB = (PORTB & 0xE3) | ((ROW) & 0x07)<<2; \
|
||||
PORTC = (PORTC & 0xF8) | ((COL) & 0x07); \
|
||||
} while (0)
|
||||
#define KEY_ENABLE() (PORTC &= ~(1<<3))
|
||||
#define KEY_UNABLE() (PORTC |= (1<<3))
|
||||
#define KEY_STATE() (PINB & (1<<0))
|
||||
#define KEY_PREV_ON() (PORTB |= (1<<1))
|
||||
#define KEY_PREV_OFF() (PORTB &= ~(1<<1))
|
||||
// Power supply switching
|
||||
#define KEY_POWER_ON() do { \
|
||||
KEY_INIT(); \
|
||||
PORTB &= ~(1<<5); \
|
||||
_delay_ms(1); \
|
||||
} while (0)
|
||||
#define KEY_POWER_OFF() do { \
|
||||
DDRB &= ~0x3F; \
|
||||
PORTB &= ~0x3F; \
|
||||
DDRC &= ~0x0F; \
|
||||
PORTC &= ~0x0F; \
|
||||
} while (0)
|
||||
|
||||
#else
|
||||
# error "define code for matrix scan"
|
||||
#endif
|
||||
|
||||
|
||||
inline
|
||||
uint8_t matrix_rows(void)
|
||||
{
|
||||
|
|
@ -199,13 +76,13 @@ uint8_t matrix_scan(void)
|
|||
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
||||
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
|
||||
KEY_SELECT(row, col);
|
||||
_delay_us(40);
|
||||
_delay_us(5);
|
||||
|
||||
// Not sure this is needed. This just emulates HHKB controller's behaviour.
|
||||
if (matrix_prev[row] & (1<<col)) {
|
||||
KEY_PREV_ON();
|
||||
}
|
||||
_delay_us(7);
|
||||
_delay_us(10);
|
||||
|
||||
// NOTE: KEY_STATE is valid only in 20us after KEY_ENABLE.
|
||||
// If V-USB interrupts in this section we could lose 40us or so
|
||||
|
|
@ -241,11 +118,13 @@ uint8_t matrix_scan(void)
|
|||
matrix[row] = matrix_prev[row];
|
||||
}
|
||||
|
||||
_delay_us(5);
|
||||
KEY_PREV_OFF();
|
||||
KEY_UNABLE();
|
||||
|
||||
// NOTE: KEY_STATE keep its state in 20us after KEY_ENABLE.
|
||||
// This takes 25us or more to make sure KEY_STATE returns to idle state.
|
||||
_delay_us(150);
|
||||
_delay_us(75);
|
||||
}
|
||||
}
|
||||
KEY_POWER_OFF();
|
||||
|
|
|
|||
Loading…
Reference in New Issue