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tmk_keyboard_custom/tmk_core/common/led.h

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2011-07-20 15:32:52 +00:00
/*
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/>.
*/
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#ifndef LED_H
#define LED_H
#include "stdint.h"
#ifndef LED_COUNT
#define LED_COUNT 1
#endif
#if (LED_COUNT <= 8)
typedef uint8_t led_pack_t;
#elif (LED_COUNT <= 16)
typedef uint16_t led_pack_t;
#elif (LED_COUNT <= 32)
typedef uint32_t led_pack_t;
#else
#error "LED_COUNT: invalid value"
#endif
#if (LED_COUNT <= 16)
#define LED_BIT(i) (1U<<(i))
#elif (LED_COUNT <= 32)
#define LED_BIT(i) (1UL<<(i))
#else
#error "LED_COUNT: invalid value"
#endif
#define LED_BIT_SET(x, i) ((x) |= LED_BIT(i))
#define LED_BIT_CLEAR(x, i) ((x) &= ~LED_BIT(i))
#define LED_BIT_XOR(x, i) ((x) ^= LED_BIT(i))
#define LED_BIT_IS_SET(x, i) ((x) & LED_BIT(i))
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/* 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
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void led_set(uint8_t usb_led);
#ifdef __cplusplus
}
#endif
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#endif