hw/misc/led.h

2  * QEMU single LED device
4  * Copyright (C) 2020 Philippe Mathieu-Daudé <f4bug@amsat.org>
6  * SPDX-License-Identifier: GPL-2.0-or-later
12 #include "hw/qdev-core.h"
14 #define TYPE_LED "led"
17  * LEDColor: Color of a LED
19  * This set is restricted to physically available LED colors.
21  * LED colors from 'Table 1. Product performance of LUXEON Rebel Color
23  * https://www.lumileds.com/products/color-leds/luxeon-rebel-color/
48      * Determines whether a GPIO is using a positive (active-high)
55 DECLARE_INSTANCE_CHECKER(LEDState, LED, TYPE_LED)
58  * led_set_intensity: Set the intensity of a LED device
59  * @s: the LED object
66  * @s: the LED object
68  * Returns: The LED intensity as percentage in range 0 to 100.
73  * led_set_state: Set the state of a LED device
74  * @s: the LED object
75  * @is_emitting: boolean indicating whether the LED is emitting
77  * This utility is meant for LED connected to GPIO.
82  * led_create_simple: Create and realize a LED device
85  * @color: color of the LED
86  * @description: description of the LED (optional)
91  * Returns: The newly allocated and instantiated LED object.