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Diffstat (limited to 'protocol/ps2.h')
| -rw-r--r-- | protocol/ps2.h | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/protocol/ps2.h b/protocol/ps2.h deleted file mode 100644 index acde679cf4..0000000000 --- a/protocol/ps2.h +++ /dev/null @@ -1,134 +0,0 @@ -/* -Copyright 2010,2011,2012,2013 Jun WAKO <wakojun@gmail.com> - -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 - -#include <stdbool.h> -#include "wait.h" -#include "ps2_io.h" -#include "print.h" - -/* - * Primitive PS/2 Library for AVR - * - * PS/2 Resources - * -------------- - * [1] The PS/2 Mouse/Keyboard Protocol - * http://www.computer-engineering.org/ps2protocol/ - * Concise and thorough primer of PS/2 protocol. - * - * [2] Keyboard and Auxiliary Device Controller - * http://www.mcamafia.de/pdf/ibm_hitrc07.pdf - * Signal Timing and Format - * - * [3] Keyboards(101- and 102-key) - * http://www.mcamafia.de/pdf/ibm_hitrc11.pdf - * Keyboard Layout, Scan Code Set, POR, and Commands. - * - * [4] PS/2 Reference Manuals - * http://www.mcamafia.de/pdf/ibm_hitrc07.pdf - * Collection of IBM Personal System/2 documents. - * - * [5] TrackPoint Engineering Specifications for version 3E - * https://web.archive.org/web/20100526161812/http://wwwcssrv.almaden.ibm.com/trackpoint/download.html - */ -#define PS2_ACK 0xFA -#define PS2_RESEND 0xFE -#define PS2_SET_LED 0xED - -// TODO: error numbers -#define PS2_ERR_NONE 0 -#define PS2_ERR_STARTBIT1 1 -#define PS2_ERR_STARTBIT2 2 -#define PS2_ERR_STARTBIT3 3 -#define PS2_ERR_PARITY 0x10 -#define PS2_ERR_NODATA 0x20 - -#define PS2_LED_SCROLL_LOCK 0 -#define PS2_LED_NUM_LOCK 1 -#define PS2_LED_CAPS_LOCK 2 - - -extern uint8_t ps2_error; - -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); - - -/*-------------------------------------------------------------------- - * static functions - *------------------------------------------------------------------*/ -static inline uint16_t wait_clock_lo(uint16_t us) -{ - while (clock_in() && us) { asm(""); wait_us(1); us--; } - return us; -} -static inline uint16_t wait_clock_hi(uint16_t us) -{ - while (!clock_in() && us) { asm(""); wait_us(1); us--; } - return us; -} -static inline uint16_t wait_data_lo(uint16_t us) -{ - while (data_in() && us) { asm(""); wait_us(1); us--; } - return us; -} -static inline uint16_t wait_data_hi(uint16_t us) -{ - while (!data_in() && us) { asm(""); wait_us(1); us--; } - return us; -} - -/* idle state that device can send */ -static inline void idle(void) -{ - clock_hi(); - data_hi(); -} - -/* inhibit device to send */ -static inline void inhibit(void) -{ - clock_lo(); - data_hi(); -} - -#endif |