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84 lines
2.7 KiB
84 lines
2.7 KiB
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/*
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Copyright 2010,2011 Jun WAKO <wakojun@gmail.com>
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This software is licensed with a Modified BSD License.
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All of this is supposed to be Free Software, Open Source, DFSG-free,
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GPL-compatible, and OK to use in both free and proprietary applications.
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Additions and corrections to this file are welcome.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of the copyright holders nor the names of
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef PS2_H
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#define PS2_H
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/*
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* Primitive PS/2 Library for AVR
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*/
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/* port settings for clock and data line */
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#if !(defined(PS2_CLOCK_PORT) && \
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defined(PS2_CLOCK_PIN) && \
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defined(PS2_CLOCK_DDR) && \
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defined(PS2_CLOCK_BIT))
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# error "PS/2 clock port setting is required in config.h"
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#endif
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#if !(defined(PS2_DATA_PORT) && \
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defined(PS2_DATA_PIN) && \
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defined(PS2_DATA_DDR) && \
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defined(PS2_DATA_BIT))
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# error "PS/2 data port setting is required in config.h"
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#endif
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#define PS2_ACK 0xFA
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#define PS2_RESEND 0xFE
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#define PS2_SET_LED 0xED
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#define PS2_ERR_NONE 0
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#define PS2_ERR_PARITY 0x10
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#define PS2_LED_SCROLL_LOCK 0
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#define PS2_LED_NUM_LOCK 1
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#define PS2_LED_CAPS_LOCK 2
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extern uint8_t ps2_error;
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/* host role */
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void ps2_host_init(void);
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uint8_t ps2_host_send(uint8_t data);
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uint8_t ps2_host_recv_response(void);
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uint8_t ps2_host_recv(void);
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void ps2_host_set_led(uint8_t usb_led);
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/* device role */
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#endif
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