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