Zephyr API Documentation 4.0.0-rc3
A Scalable Open Source RTOS
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Devmux Driver APIs . More...
Functions | |
int | devmux_select_get (const struct device *dev) |
Get the current selection of a devmux device. | |
int | devmux_select_set (struct device *dev, size_t index) |
Set the selection of a devmux device. | |
Devmux Driver APIs .
Devmux operates as a device multiplexer, forwarding the characteristics of the selected device.
int devmux_select_get | ( | const struct device * | dev | ) |
#include <zephyr/drivers/misc/devmux/devmux.h>
Get the current selection of a devmux device.
Return the index of the currently selected device.
dev | the devmux device |
-EINVAL | If dev is invalid |
#include <zephyr/drivers/misc/devmux/devmux.h>
Set the selection of a devmux device.
Select the device at index
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[in] | dev | the devmux device |
index | the index representing the desired selection |
0 | On success |
-EINVAL | If dev is invalid |
-ENODEV | If the multiplexed device at index is not ready |