/** * @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);