dac_emul.h File Reference

Backend API for emulated DAC. More...

#include <zephyr/device.h>
#include <stdint.h>

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Functions
int	dac_emul_value_get (const struct device *dev, uint8_t channel, uint32_t *value)
	Read a previously written value from the driver instance.

Detailed Description

Backend API for emulated DAC.

Function Documentation

dac_emul_value_get()

int dac_emul_value_get	(	const struct device *	dev,
		uint8_t	channel,
		uint32_t *	value )

Read a previously written value from the driver instance.

The channel must have been previously configured.

Parameters

dev	The dac emulator device
channel	The channel number to read
value	The current channel value

Return values

0	Success
-EINVAL	Invalid channel or NULL pointer
-ENXIO	Channel not configured
-EBUSY	Could not acquire channel lock