qmk_firmware/keyboards/handwired/dactyl/dactyl.h

#pragma once

#include "quantum.h"
#include <stdint.h>
#include <stdbool.h>
#include "i2c_master.h"
#include <util/delay.h>

#define I2C_ADDR        (0b0100000 << 1)
#define I2C_TIMEOUT     100
#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_dactyl(void);
void init_expander(void);

#define XXX KC_NO

#define LAYOUT_dactyl( \
    k00, k01, k02, k03, k04, k05, \
    k10, k11, k12, k13, k14, k15, \
    k20, k21, k22, k23, k24, k25, \
    k30, k31, k32, k33, k34, k35, \
    k40, k41, k42, k43, k44, \
                                  k55, k50, \
                                       k54, \
                             k53, k52, k51, \
\
              k06, k07, k08, k09, k0A, k0B, \
              k16, k17, k18, k19, k1A, k1B, \
              k26, k27, k28, k29, k2A, k2B, \
              k36, k37, k38, k39, k3A, k3B, \
                   k47, k48, k49, k4A, k4B, \
    k5B, k56, \
    k57, \
    k5A, k59, k58 \
) { \
    { k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0A, k0B }, \
    { k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1A, k1B }, \
    { k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2A, k2B }, \
    { k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3A, k3B }, \
    { k40, k41, k42, k43, k44, XXX, XXX, k47, k48, k49, k4A, k4B }, \
    { k50, k51, k52, k53, k54, k55, k56, k57, k58, k59, k5A, k5B } \
}