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/* Copyright 2019 Neil Kettle
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "quantum.h"
#ifdef RIGHT_HALF
# include <stdint.h>
# include "i2c_master.h"
// I2C aliases and register addresses (see "mcp23018.md")
# define I2C_ADDR 0b0100000
# define I2C_ADDR_WRITE ( (I2C_ADDR<<1) | I2C_WRITE )
# define I2C_ADDR_READ ( (I2C_ADDR<<1) | I2C_READ )
# define IODIRA 0x00 // i/o direction register
# define IODIRB 0x01
# define GPPUA 0x0C // GPIO pull-up resistor register
# define GPPUB 0x0D
# define GPIOA 0x12 // general purpose i/o port register (write modifies OLAT)
# define GPIOB 0x13
# define OLATA 0x14 // output latch register
# define OLATB 0x15
extern i2c_status_t mcp23018_status;
# define MCP23018_I2C_TIMEOUT 100
uint8_t init_mcp23018(void);
#endif
#define ___ KC_NO
#define XXX KC_NO
/* This is a shortcut to help you visually see your layout.
*
* The first section contains all of the arguments representing the physical
* layout of the board and position of the keys.
*
* The second converts the arguments into a two-dimensional array which
* represents the switch matrix.
*
* LEFT HAND RIGHT HAND
* ┌-----┬-----┬-----┬-----┬-----┬-----┬-----┐ ┌-----┬-----┬-----┬-----┬-----┬-----┬----------┐
* │ L00 │ L01 │ L02 │ L03 │ L04 │ L05 │ L06 │ │ R07 │ R08 │ R09 │ R0A │ R0B │ R0C │ R0D │
* ├-----┴--┬--┴--┬--┴--┬--┴--┬--┴--┬--┴--┬--┘ ┌--┴--┬--┴--┬--┴--┬--┴--┬--┴--┬--┴--┬--┴--┬-------┤
* │ L10 │ L11 │ L12 │ L13 │ L14 │ L15 │ │ R16 │ R17 │ R18 │ R19 │ R1A │ R1B │ R1C │ R1D │
* ├--------┴┬----┴┬----┴┬----┴┬----┴┬----┴┐ └┬----┴┬----┴┬----┴┬----┴┬----┴┬----┴┬----┴-------┤
* │ L20 │ L21 │ L22 │ L23 │ L24 │ L25 │ │ R26 │ R27 │ R28 │ R29 │ R2A │ R2B │ R2C │
* ├---------┴┬----┴┬----┴┬----┴┬----┴┬----┴┐ └┬----┴┬----┴┬----┴┬----┴┬----┴┬----┴┬-----┬-----┤
* │ L30 │ L31 │ L32 │ L33 │ L34 │ L35 │ │ R36 │ R37 │ R38 │ R39 │ R3A │ R3B │ R3C │ R3D │
* ├------┬---┴-┬---┴--┬--┴-----┴----┬┴----┬┘ ┌┴-----┴-----┴--┬--┴----┬┴-----┼-----┼-----┼-----┤
* │ L40 │ L41 │ L42 │ L43 │ L45 │ │ R46 │ R48 │ R4A │ R4B │ R4C │ R4D │
* └------┴-----┴------┴-------------┴-----┘ └---------------┴-------┴------┴-----┴-----┴-----┘
*/
#define LAYOUT( \
L00, L01, L02, L03, L04, L05, L06, R07, R08, R09, R0A, R0B, R0C, R0D, \
L10, L11, L12, L13, L14, L15, R16, R17, R18, R19, R1A, R1B, R1C, R1D, \
L20, L21, L22, L23, L24, L25, R26, R27, R28, R29, R2A, R2B, R2C, \
L30, L31, L32, L33, L34, L35, R36, R37, R38, R39, R3A, R3B, R3C, R3D, \
L40, L41, L42, L43, L45, R46, R48, R4A, R4B, R4C, R4D \
) \
/* matrix positions */ \
{ \
{ ___, ___, ___, ___, ___, ___, ___, R46, R48, R4A, R4B, R4C, R4D, R3D }, \
{ L40, L41, L42, L43, L45, L06, ___, R36, R37, R38, R39, R3A, R3B, R3C }, \
{ L30, L31, L32, L33, L34, L35, ___, R26, R27, R28, R29, R2A, R2B, R2C }, \
{ L20, L21, L22, L23, L24, L25, ___, R17, R18, R19, R1A, R1B, R1C, R1D }, \
{ L10, L11, L12, L13, L14, L15, ___, R07, R08, R09, R0A, R0B, R0C, R0D }, \
{ L00, L01, L02, L03, L04, L05, ___, R16, ___, ___, ___, ___, ___, ___ } \
}
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