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/* Copyright 2018 Jack Humbert
* Copyright 2018 Yiancar
*
* 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/>.
*/
/* This library follows the convention of the AVR i2c_master library.
* As a result addresses are expected to be already shifted (addr << 1).
* I2CD1 is the default driver which corresponds to pins B6 and B7. This
* can be changed.
* Please ensure that HAL_USE_I2C is TRUE in the halconf.h file and that
* STM32_I2C_USE_I2C1 is TRUE in the mcuconf.h file.
*/
#pragma once
#include <stdint.h>
// ### DEPRECATED - DO NOT USE ###
#define i2c_writeReg(devaddr, regaddr, data, length, timeout) i2c_write_register(devaddr, regaddr, data, length, timeout)
#define i2c_writeReg16(devaddr, regaddr, data, length, timeout) i2c_write_register16(devaddr, regaddr, data, length, timeout)
#define i2c_readReg(devaddr, regaddr, data, length, timeout) i2c_read_register(devaddr, regaddr, data, length, timeout)
#define i2c_readReg16(devaddr, regaddr, data, length, timeout) i2c_read_register16(devaddr, regaddr, data, length, timeout)
// ###############################
typedef int16_t i2c_status_t;
#define I2C_STATUS_SUCCESS (0)
#define I2C_STATUS_ERROR (-1)
#define I2C_STATUS_TIMEOUT (-2)
void i2c_init(void);
i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout);
i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout);
i2c_status_t i2c_write_register(uint8_t devaddr, uint8_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout);
i2c_status_t i2c_write_register16(uint8_t devaddr, uint16_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout);
i2c_status_t i2c_read_register(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
i2c_status_t i2c_read_register16(uint8_t devaddr, uint16_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
i2c_status_t i2c_ping_address(uint8_t address, uint16_t timeout);
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