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/*
Copyright 2011 Jun Wako <wakojun@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdint.h>
#include <stdbool.h>
/* FIXME: Add doxygen comments here. */
/* keyboard LEDs */
#define USB_LED_NUM_LOCK 0
#define USB_LED_CAPS_LOCK 1
#define USB_LED_SCROLL_LOCK 2
#define USB_LED_COMPOSE 3
#define USB_LED_KANA 4
#ifdef __cplusplus
extern "C" {
#endif
typedef union {
uint8_t raw;
struct {
bool num_lock : 1;
bool caps_lock : 1;
bool scroll_lock : 1;
bool compose : 1;
bool kana : 1;
uint8_t reserved : 3;
};
} led_t;
void led_set(uint8_t usb_led);
void led_init_ports(void);
void led_suspend(void);
void led_wakeup(void);
void led_task(void);
/* Callbacks */
void led_set_user(uint8_t usb_led);
void led_set_kb(uint8_t usb_led);
bool led_update_user(led_t led_state);
bool led_update_kb(led_t led_state);
void led_update_ports(led_t led_state);
uint32_t last_led_activity_time(void); // Timestamp of the LED activity
uint32_t last_led_activity_elapsed(void); // Number of milliseconds since the last LED activity
#ifdef __cplusplus
}
#endif
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