mh
/
qmk_firmware
mirror of https://github.com/qmk/qmk_firmware/


								#pragma once


								#include "quantum.h"

								#include <stdint.h>

								#include <stdbool.h>

								#include "i2c_master.h"

								#include <util/delay.h>


								extern i2c_status_t mcp23018_status;

								#define 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


								uint8_t init_mcp23018(void);


								/*  -------- LEFT HAND------RIGHT HAND ---------- */

								#define LAYOUT_ginny(L00, L01, L02, L03, L04, R00, R01, R02, R03, R04) \

								    { {KC_NO, R00}, {R01, KC_NO}, {R02, KC_NO}, {R03, KC_NO}, {R04, KC_NO}, {L03, L04}, {L02, KC_NO}, {L01, KC_NO}, {L00, KC_NO}, }


								/*{ KC_NO,  L04},  	  \

								{	KC_NO,  L03},    \

								{	KC_NO,  L02},    \

								{ KC_NO,  L01},   	\

								{ L00, 		KC_NO },    \*/