mirror of
https://github.com/qmk/qmk_firmware
synced 2024-11-15 08:25:01 +00:00
ac3dfa742a
* added matrix 8xv2.0 additional keyboard * Apply suggestions from code review Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com> * add copyright and speed up the matrix scanning * Update keyboards/matrix/m20add/rules.mk Co-authored-by: Drashna Jaelre <drashna@live.com> Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com> Co-authored-by: Drashna Jaelre <drashna@live.com>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/**
|
|
* @file tca6424.h
|
|
* @author astro
|
|
* @brief driver for the tca6424
|
|
*
|
|
* 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);
|