LEDs

API for manipulating LEDs.

Functions

struct metal_led *metal_led_get(char *label)

Get a handle for an LED.

Return

A handle to the LED, or NULL if none is found for the requested label

Parameters

• label: The DeviceTree label for the desired LED

struct metal_led *metal_led_get_rgb(char *label, char *color)

Get a handle for a channel of an RGB LED.

Return

A handle to the LED, or NULL if none is found for the requested label and color

Parameters

• label: The DeviceTree label for the desired LED

• color: The color for the LED in the DeviceTree

__inline__ void metal_led_enable(struct metal_led *led)

Enable an LED.

Parameters

• led: The handle for the LED

__inline__ void metal_led_on(struct metal_led *led)

Turn an LED on.

Parameters

• led: The handle for the LED

__inline__ void metal_led_off(struct metal_led *led)

Turn an LED off.

Parameters

• led: The handle for the LED

__inline__ void metal_led_toggle(struct metal_led *led)

Toggle the on/off state of an LED.

Parameters

• led: The handle for the LED

struct metal_led

#include <led.h>

A handle for an LED.