forked from forks/qmk_firmware
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
|
/**
|
||
|
|
* @file tca6424.h
|
||
|
|
* @author astro
|
||
|
|
* @brief driver for the tca6424
|
||
|
|
*
|
||
|
|
* Copyright 2020 astro <yuleiz@gmail.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>
|
||
|
|
|
||
|
|
#ifndef TCA6424_ADDR
|
||
|
|
#define TCA6424_ADDR 0x44
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
TCA6424_PORT0 = 0,
|
||
|
|
TCA6424_PORT1,
|
||
|
|
TCA6424_PORT2,
|
||
|
|
} TCA6424_PORT;
|
||
|
|
|
||
|
|
void tca6424_init(void);
|
||
|
|
|
||
|
|
void tca6424_write_config(TCA6424_PORT port, uint8_t data);
|
||
|
|
void tca6424_write_polarity(TCA6424_PORT port, uint8_t data);
|
||
|
|
|
||
|
|
void tca6424_write_port(TCA6424_PORT port, uint8_t data);
|
||
|
|
uint8_t tca6424_read_port(TCA6424_PORT port);
|