88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
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Copyright 2019 Adam Newbold <adam@neatnik.net>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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/*
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Pin Mappings
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============
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Dsub-15 Connection
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------------------
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Dsub-15 (female)
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,-------------------------.
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\ 08 07 06 05 04 03 02 01 /
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\ 15 14 13 12 11 10 09 /
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`---------------------'
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Header Pins
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-----------
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_____________________________________
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| |
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| 11 10 9 8 7 6 5 4 3 2 1 |
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|_____________________________________|
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Header / Matrix
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---------------
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Pin Name Description
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--------------------------------------------------------------
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1,2,5,3,4,6 Y0-Y5 Y-direction key-matrix connections
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7 NC
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9,11,10,8 X4-X7 X-direction key-matrix connections
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Microcontroller Configuration
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-----------------------------
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(Pins are for an Arduino Micro)
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+-----------------------------------+
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| Dsub-15 | Header | Matrix | Micro |
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|---------+--------+--------+-------|
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| 12 | 11 | X5 | B0 |
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| 11 | 10 | X6 | D3 |
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| 10 | 9 | X4 | B2 |
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| 9 | 8 | X7 | D2 |
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| NC | 7 | NC | -- |
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| 7 | 6 | Y5 | E6 |
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| 6 | 5 | Y2 | D4 |
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| 5 | 4 | Y4 | D7 |
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| 3 | 3 | Y3 | C6 |
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| 2 | 2 | Y1 | D0 |
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| 1 | 1 | Y0 | D1 |
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+-----------------------------------+
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Note: Dsub-15 pins 4, 8, 13, 14, and 15 are unused
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Reference
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---------
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https://deskthority.net/wiki/Apple_Numeric_Keypad_IIe
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https://geekhack.org/index.php?topic=78048.0
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http://wiki.apple2.org/index.php?title=Pinouts#Apple_.2F.2Fe_Numeric_Keypad_connector
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*/
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#define MATRIX_ROW_PINS { B0, B2, D2, D3 }
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#define MATRIX_COL_PINS { D1, D0, D4, C6, D7, E6 }
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#define DIODE_DIRECTION COL2ROW
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