mirror of
https://github.com/Keychron/qmk_firmware.git
synced 2024-11-22 08:27:56 +06:00
33 lines
858 B
C
33 lines
858 B
C
|
// Copyright 2023 @frobiac
|
||
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "quantum.h"
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include "i2c_master.h"
|
||
|
|
#include "wait.h"
|
||
|
|
|
||
|
|
extern uint8_t expander_status;
|
||
|
|
extern uint8_t expander_input_pin_mask;
|
||
|
|
extern bool i2c_initialized;
|
||
|
|
|
||
|
|
void init_blackbowl(void);
|
||
|
|
void init_expander(void);
|
||
|
|
|
||
|
|
// clang-format off
|
||
|
|
#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
|
||
|
|
|
||
|
|
#define xxx KC_NO
|
||
|
|
|
||
|
|
// clang-format on
|