led_off()

int led_off

(

uint8_t

led_unit

)

Set the state of a given LED unit to off.

Note

A led unit is defined as an RGB LED or a monochrome LED. Using a LED unit assigned to another core will do nothing and return 0.

Parameters

led_unit

Selected LED unit. Defines are located in board.h.

Returns

0 on success. -EPERM if the module has not been initialized. -EINVAL if the color argument is illegal. Other errors from underlying drivers.