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#pragma once
#include <util/delay.h>
#include <stdint.h>
#include <stdbool.h>
#include "quantum.h"
#include "i2c_master.h"
#include "matrix.h"
extern i2c_status_t mcp23018_status;
#define ERGODOX_EZ_I2C_TIMEOUT 1000
#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
#define CPU_16MHz 0x00
// I2C aliases and register addresses (see "mcp23018.md")
//#define I2C_ADDR 0b0100000
#define I2C_ADDR 0x20
#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
void init_ergodox(void);
uint8_t init_mcp23018(void);
/* ---------- LEFT HAND ----------- ---------- RIGHT HAND ---------- */
#define LAYOUT_GERGO( \
L00,L01,L02,L03,L04,L05, R00,R01,R02,R03,R04,R05, \
L10,L11,L12,L13,L14,L15,L16, R10,R11,R12,R13,R14,R15,R16, \
L20,L21,L22,L23,L24,L25,L26, R20,R21,R22,R23,R24,R25,R26, \
L31,L32, R33,R34, \
L30, R30, \
L33,L34, R31,R32) \
\
/* matrix positions */ \
{ \
{ KC_NO, L16, L26, L30}, \
{ L05, L15, L25, L34}, \
{ L04, L14, L24, L33}, \
{ L03, L13, L23, L32}, \
{ L02, L12, L22, L31}, \
{ L01, L11, L21, KC_NO}, \
{ L00, L10, L20, KC_NO}, \
\
{ KC_NO, R10, R20, R30}, \
{ R00, R11, R21, R31}, \
{ R01, R12, R22, R32}, \
{ R02, R13, R23, R33}, \
{ R03, R14, R24, R34}, \
{ R04, R15, R25, KC_NO}, \
{ R05, R16, R26, KC_NO}, \
}
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