68 lines
1.6 KiB
C
68 lines
1.6 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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#ifndef LED_H
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#define LED_H
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#include "stdint.h"
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#ifndef LED_COUNT
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#define LED_COUNT 1
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#endif
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#if (LED_COUNT <= 8)
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typedef uint8_t led_pack_t;
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#elif (LED_COUNT <= 16)
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typedef uint16_t led_pack_t;
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#elif (LED_COUNT <= 32)
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typedef uint32_t led_pack_t;
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#else
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#error "LED_COUNT: invalid value"
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#endif
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#if (LED_COUNT <= 16)
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#define LED_BIT(i) (1U<<(i))
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#elif (LED_COUNT <= 32)
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#define LED_BIT(i) (1UL<<(i))
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#else
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#error "LED_COUNT: invalid value"
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#endif
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#define LED_BIT_SET(x, i) ((x) |= LED_BIT(i))
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#define LED_BIT_CLEAR(x, i) ((x) &= ~LED_BIT(i))
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#define LED_BIT_XOR(x, i) ((x) ^= LED_BIT(i))
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#define LED_BIT_IS_SET(x, i) ((x) & LED_BIT(i))
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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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void led_set(uint8_t usb_led);
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#ifdef __cplusplus
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}
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#endif
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#endif
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