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qmk_firmware/keyboards/sx60/sx60.h

24 lines
750 B
C
Executable File

#pragma once
#include "quantum.h"
#include <stdint.h>
#include <stdbool.h>
#include "i2c_master.h"
#include <util/delay.h>
/* I2C aliases and register addresses (see "mcp23018.md") */
#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 mcp23018_status;
uint8_t init_mcp23018(void);