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