/* * Copyright (c) 2018 naehrwert * Copyright (c) 2020 CTCaer * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope 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/>. */ #ifndef _I2C_H_ #define _I2C_H_ #include "../utils/types.h" #define I2C_1 0 #define I2C_2 1 #define I2C_3 2 #define I2C_4 3 #define I2C_5 4 #define I2C_6 5 void i2c_init(); int i2c_send_buf_small(u32 i2c_idx, u32 dev_addr, u32 reg, u8 *buf, u32 size); int i2c_recv_buf_small(u8 *buf, u32 size, u32 i2c_idx, u32 dev_addr, u32 reg); int i2c_send_byte(u32 i2c_idx, u32 dev_addr, u32 reg, u8 val); u8 i2c_recv_byte(u32 i2c_idx, u32 dev_addr, u32 reg); #endif