i2c_nrfx_twim.h File Reference

#include <zephyr/kernel.h>
#include <zephyr/drivers/i2c.h>

Go to the source code of this file.

Functions
int	i2c_nrfx_twim_exclusive_access_acquire (const struct device *dev, k_timeout_t timeout)
	Acquires exclusive access to the i2c bus controller.
void	i2c_nrfx_twim_exclusive_access_release (const struct device *dev)
	Releases exclusive access to the i2c bus controller.

Function Documentation

i2c_nrfx_twim_exclusive_access_acquire()

int i2c_nrfx_twim_exclusive_access_acquire	(	const struct device *	dev,
		k_timeout_t	timeout
	)

Acquires exclusive access to the i2c bus controller.

Parameters

dev	Pointer to the device structure for an I2C controller driver configured in controller mode.
timeout	Timeout for waiting to acquire exclusive access.

Return values

0	If successful.
-EBUSY	Returned without waiting.
-EAGAIN	Waiting period timed out, or the underlying semaphore was reset during the waiting period.

i2c_nrfx_twim_exclusive_access_release()

void i2c_nrfx_twim_exclusive_access_release

(

const struct device *

dev

)

Releases exclusive access to the i2c bus controller.

Parameters

dev	Pointer to the device structure for an I2C controller driver on which i2c_nrfx_twim_exclusive_access_acquire has been successfully called.