- /* Copyright 2018 Jack Humbert
- * Copyright 2018 Yiancar
- *
- * This program is free sofare: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Sofare 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.
- */
-
- #include "ch.h"
- #include "hal.h"
-
- #ifndef I2C_DRIVER
- #define I2C_DRIVER I2CD1
- #endif
-
- void i2c_init(void);
- uint8_t i2c_start(uint8_t address);
- uint8_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout);
- uint8_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout);
- uint8_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
- uint8_t i2c_readReg(uint8_t devaddr, uint8_t* regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
- uint8_t i2c_stop(uint16_t timeout);
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