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/* Copyright 2018 REPLACE_WITH_YOUR_NAME
*
* 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"
#include <stdint.h>
#include <stdbool.h>
#include <util/delay.h>
#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 uint8_t expander_status;
extern uint8_t expander_input_pin_mask;
extern bool i2c_initialized;
void init_expander(void);
#define XXX KC_NO
#define LAYOUT( \
L12, L14, L15, L16, L17, R11, R12, R13, R14, R15, R16, R17, R18, R19, R1A, R1B, \
L21, L22, L23, L24, L25, L26, L27, R21, R22, R23, R24, R25, R26, R28, R29, R2A, R2B, \
L31, L32, L33, L34, L35, L36, R31, R32, R33, R34, R35, R36, R37, R38, R39, R3A, R3B, \
L41, L42, L43, L44, L45, L46, R41, R42, R43, R44, R45, R46, R48, \
L51, L52, L53, L54, L55, L56, R51, R52, R53, R54, R55, R58, R5A, \
L61, L62, L63, L65, R61, R63, R65, R66, R68, R69, R6A, R6B \
) { \
{ XXX, L12, XXX, L14, L15, L16, L17, R11, R12, R13, R14, R15, R16, R17, R18, R19, R1A, R1B }, \
{ L21, L22, L23, L24, L25, L26, L27, R21, R22, R23, R24, R25, R26, XXX, R28, R29, R2A, R2B }, \
{ L31, L32, L33, L34, L35, L36, XXX, R31, R32, R33, R34, R35, R36, R37, R38, R39, R3A, R3B }, \
{ L41, L42, L43, L44, L45, L46, XXX, R41, R42, R43, R44, R45, R46, XXX, R48, XXX, XXX, XXX }, \
{ L51, L52, L53, L54, L55, L56, XXX, R51, R52, R53, R54, R55, XXX, XXX, R58, XXX, R5A, XXX }, \
{ L61, L62, L63, XXX, L65, XXX, XXX, R61, XXX, R63, XXX, R65, R66, XXX, R68, R69, R6A, R6B } \
}
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