bus_i2c.h

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/*
 * This file is part of Ninjaflight.
 *
 * Ninjaflight 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 3 of the License, or
 * (at your option) any later version.
 *
 * Ninjaflight 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 Ninjaflight.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#define I2C_SHORT_TIMEOUT            ((uint32_t)0x1000)
#define I2C_LONG_TIMEOUT             ((uint32_t)(10 * I2C_SHORT_TIMEOUT))
#define I2C_DEFAULT_TIMEOUT          I2C_SHORT_TIMEOUT

typedef enum I2CDevice {
    I2CDEV_1,
    I2CDEV_2,
    I2CDEV_MAX = I2CDEV_2,
} I2CDevice;

void i2cInit(I2CDevice index);
bool i2cWriteBuffer(uint8_t addr_, uint8_t reg_, uint8_t len_, uint8_t *data);
bool i2cWrite(uint8_t addr_, uint8_t reg, uint8_t data);
bool i2cRead(uint8_t addr_, uint8_t reg, uint8_t len, uint8_t* buf);
uint16_t i2cGetErrorCounter(void);
void i2cSetOverclock(uint8_t OverClock);