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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( \
L00,L01,L02,L03,L04,L05, R00,R01,R02,R03,R04,R05) \
\
/* matrix positions */ \
{ \
{R00}, \
{R01}, \
{R02}, \
{R03}, \
{R04}, \
{R05}, \
{L05}, \
{L04}, \
{L03}, \
{L02}, \
{L01}, \
{L00}, \
}
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