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qmk_firmware

custom branch of QMK firmware git clone https://anongit.hacktivis.me/git/qmk_firmware.git

tca6424.h (1223B)

    

  1. /**
  2.  * @file tca6424.h
  3.  * @author astro
  4.  * @brief  driver for the tca6424
  5.  *
  6.  * Copyright 2020 astro <yuleiz@gmail.com>
  7.  *
  8.  * This program is free software: you can redistribute it and/or modify
  9.  * it under the terms of the GNU General Public License as published by
  10.  * the Free Software Foundation, either version 2 of the License, or
  11.  * (at your option) any later version.
  12.  *
  13.  * This program is distributed in the hope that it will be useful,
  14.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16.  * GNU General Public License for more details.
  17.  *
  18.  * You should have received a copy of the GNU General Public License
  19.  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20.  */
  22. #pragma once
  24. #include <stdint.h>
  26. #ifndef TCA6424_ADDR
  27.     #define TCA6424_ADDR 0x44
  28. #endif
  30. typedef enum {
  31.     TCA6424_PORT0 = 0,
  32.     TCA6424_PORT1,
  33.     TCA6424_PORT2,
  34. } TCA6424_PORT;
  36. void tca6424_init(void);
  38. void    tca6424_write_config(TCA6424_PORT port, uint8_t data);
  39. void    tca6424_write_polarity(TCA6424_PORT port, uint8_t data);
  41. void    tca6424_write_port(TCA6424_PORT port, uint8_t data);
  42. uint8_t tca6424_read_port(TCA6424_PORT port);