Line data    Source code

       1            0 : /*
       2              :  * Copyright (c) 2024 Gergo Vari <work@gergovari.com>
       3              :  *
       4              :  * SPDX-License-Identifier: Apache-2.0
       5              :  */
       6              : 
       7              : #ifndef ZEPHYR_INCLUDE_DRIVERS_MFD_DS3231_H_
       8              : #define ZEPHYR_INCLUDE_DRIVERS_MFD_DS3231_H_
       9              : 
      10              : #include <zephyr/drivers/i2c.h>
      11              : 
      12              : /**
      13              :  * @brief Get specified number of registers from an I2C device
      14              :  * starting at the given register address.
      15              :  *
      16              :  * @param dev ds3231 mfd device
      17              :  * @param start_reg The register address to start at.
      18              :  * @param buf The buffer array pointer to store results in.
      19              :  * @param buf_size The amount of register values to return.
      20              :  * @retval 0 on success
      21              :  * @retval -errno in case of any bus error
      22              :  */
      23            1 : int mfd_ds3231_i2c_get_registers(const struct device *dev, uint8_t start_reg, uint8_t *buf,
      24              :                                  const size_t buf_size);
      25              : 
      26              : /**
      27              :  * @brief Set a register on an I2C device at the given register address.
      28              :  *
      29              :  * @param dev ds3231 mfd device
      30              :  * @param start_reg The register address to set.
      31              :  * @param buf The value to write to the given address.
      32              :  * @param buf_size The size of the buffer to be written to the given address.
      33              :  * @retval 0 on success
      34              :  * @retval -errno in case of any bus error
      35              :  */
      36            1 : int mfd_ds3231_i2c_set_registers(const struct device *dev, uint8_t start_reg, const uint8_t *buf,
      37              :                                  const size_t buf_size);
      38              : 
      39              : #endif /* ZEPHYR_INCLUDE_DRIVERS_MFD_DS3231_H_ */