forked from forks/qmk_firmware
35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
/* Copyright 2020 zvecr<git@zvecr.com>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#define mcp23018_PORTA 0
|
|
#define mcp23018_PORTB 1
|
|
|
|
#define ALL_OUTPUT 0
|
|
#define ALL_INPUT 0xFF
|
|
#define ALL_LOW 0
|
|
#define ALL_HIGH 0xFF
|
|
|
|
void mcp23018_init(uint8_t addr);
|
|
bool mcp23018_set_config(uint8_t slave_addr, uint8_t port, uint8_t conf);
|
|
bool mcp23018_set_output(uint8_t slave_addr, uint8_t port, uint8_t conf);
|
|
bool mcp23018_set_output_all(uint8_t slave_addr, uint8_t confA, uint8_t confB);
|
|
bool mcp23018_readPins(uint8_t slave_addraddr, uint8_t port, uint8_t* ret);
|
|
bool mcp23018_readPins_all(uint8_t slave_addr, uint16_t* ret);
|