ds3231.h File Reference

#include <zephyr/drivers/i2c.h>

Go to the source code of this file.

Functions
int	mfd_ds3231_i2c_get_registers (const struct device *dev, uint8_t start_reg, uint8_t *buf, const size_t buf_size)
	Get specified number of registers from an I2C device starting at the given register address.
int	mfd_ds3231_i2c_set_registers (const struct device *dev, uint8_t start_reg, const uint8_t *buf, const size_t buf_size)
	Set a register on an I2C device at the given register address.

Function Documentation

mfd_ds3231_i2c_get_registers()

int mfd_ds3231_i2c_get_registers	(	const struct device *	dev,
		uint8_t	start_reg,
		uint8_t *	buf,
		const size_t	buf_size )

Get specified number of registers from an I2C device starting at the given register address.

Parameters

dev	ds3231 mfd device
start_reg	The register address to start at.
buf	The buffer array pointer to store results in.
buf_size	The amount of register values to return.

Return values

0	on success
-errno	in case of any bus error

mfd_ds3231_i2c_set_registers()

int mfd_ds3231_i2c_set_registers	(	const struct device *	dev,
		uint8_t	start_reg,
		const uint8_t *	buf,
		const size_t	buf_size )

Set a register on an I2C device at the given register address.

Parameters

dev	ds3231 mfd device
start_reg	The register address to set.
buf	The value to write to the given address.
buf_size	The size of the buffer to be written to the given address.

Return values

0	on success
-errno	in case of any bus error