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/*
* Copyright © 2016 Keith Packard <keithp@keithp.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.
*/
#ifndef _AO_PS2_H_
#define _AO_PS2_H_
extern uint8_t ao_ps2_stdin;
int
ao_ps2_poll(void);
uint8_t
ao_ps2_get(void);
void
ao_ps2_put(uint8_t b);
uint8_t
ao_ps2_is_down(uint8_t code);
int
ao_ps2_poll_key(void);
uint8_t
ao_ps2_get_key(void);
int
ao_ps2_ascii(uint8_t key);
int
_ao_ps2_pollchar(void);
char
ao_ps2_getchar(void);
void
ao_ps2_init(void);
/* From http://computer-engineering.org/ps2keyboard/ */
/* Device responds with ACK and then resets */
#define AO_PS2_RESET 0xff
/* Device retransmits last byte */
#define AO_PS2_RESEND 0xfe
/* Setting key report only works in mode 3 */
/* Disable break and typematic for specified mode 3 keys. Terminate with invalid key */
#define AO_PS2_SET_KEY_MAKE 0xfd
/* Disable typematic for keys */
#define AO_PS2_SET_KEY_MAKE_BREAK 0xfc
/* Disable break code for keys */
#define AO_PS2_SET_KEY_TYPEMATIC 0xfb
/* Enable make, break and typematic */
#define AO_PS2_SET_KEY_TYPEMATIC_MAKE_BREAK 0xfa
/* Disable break and typematic for all */
#define AO_PS2_SET_ALL_MAKE 0xf9
/* Disable typematic for all */
#define AO_PS2_SET_ALL_MAKE_BREAK 0xf8
/* Disable break for all */
#define AO_PS2_SET_ALL_TYPEMATIC 0xf7
/* Set keyboard to default (repeat, report and scan code set 2) */
#define AO_PS2_SET_DEFAULT 0xf6
/* Disable and reset to default */
#define AO_PS2_DISABLE 0xf5
/* Enable */
#define AO_PS2_ENABLE 0xf4
/* Set repeat rate. Bytes 5-6 are the start delay, bits 0-4 are the rate */
#define AO_PS2_SET_REPEAT_RATE 0xf3
/* Read keyboard id. Returns two bytes */
#define AO_PS2_GETID 0xf2
/* Set scan code (1, 2, or 3) */
#define AO_PS2_SET_SCAN_CODE_SET 0xf0
/* Echo. Keyboard replies with Echo */
#define AO_PS2_ECHO 0xee
/* Set LEDs */
#define AO_PS2_SET_LEDS 0xed
# define AO_PS2_SET_LEDS_SCROLL 0x01
# define AO_PS2_SET_LEDS_NUM 0x02
# define AO_PS2_SET_LEDS_CAPS 0x04
#define AO_PS2_BREAK 0xf0
#define AO_PS2_ACK 0xfa
#define AO_PS2_ERROR 0xfc
#define AO_PS2_NAK 0xfe
/* Scan code set 3 */
#define AO_PS2_A 0x1c
#define AO_PS2_B 0x32
#define AO_PS2_C 0x21
#define AO_PS2_D 0x23
#define AO_PS2_E 0x24
#define AO_PS2_F 0x2b
#define AO_PS2_G 0x34
#define AO_PS2_H 0x33
#define AO_PS2_I 0x43
#define AO_PS2_J 0x3b
#define AO_PS2_K 0x42
#define AO_PS2_L 0x4b
#define AO_PS2_M 0x3a
#define AO_PS2_N 0x31
#define AO_PS2_O 0x44
#define AO_PS2_P 0x4d
#define AO_PS2_Q 0x15
#define AO_PS2_R 0x2d
#define AO_PS2_S 0x1b
#define AO_PS2_T 0x2c
#define AO_PS2_U 0x3c
#define AO_PS2_V 0x2a
#define AO_PS2_W 0x1d
#define AO_PS2_X 0x22
#define AO_PS2_Y 0x35
#define AO_PS2_Z 0x1a
#define AO_PS2_0 0x45
#define AO_PS2_1 0x16
#define AO_PS2_2 0x1e
#define AO_PS2_3 0x26
#define AO_PS2_4 0x25
#define AO_PS2_5 0x2e
#define AO_PS2_6 0x36
#define AO_PS2_7 0x3d
#define AO_PS2_8 0x3e
#define AO_PS2_9 0x46
#define AO_PS2_GRAVE 0x0e
#define AO_PS2_HYPHEN 0x4e
#define AO_PS2_EQUAL 0x55
#define AO_PS2_BACKSLASH 0x5c
#define AO_PS2_BACKSPACE 0x66
#define AO_PS2_SPACE 0x29
#define AO_PS2_TAB 0x0d
#define AO_PS2_CAPS_LOCK 0x14
#define AO_PS2_L_SHIFT 0x12
#define AO_PS2_L_CTRL 0x11
#define AO_PS2_L_WIN 0x8b
#define AO_PS2_L_ALT 0x19
#define AO_PS2_R_SHIFT 0x59
#define AO_PS2_R_CTRL 0x58
#define AO_PS2_R_WIN 0x8c
#define AO_PS2_R_ALT 0x39
#define AO_PS2_APPS 0x8d
#define AO_PS2_ENTER 0x5a
#define AO_PS2_ESC 0x08
#define AO_PS2_F1 0x07
#define AO_PS2_F2 0x0f
#define AO_PS2_F3 0x17
#define AO_PS2_F4 0x1f
#define AO_PS2_F5 0x27
#define AO_PS2_F6 0x2f
#define AO_PS2_F7 0x37
#define AO_PS2_F8 0x3f
#define AO_PS2_F9 0x47
#define AO_PS2_F10 0x4f
#define AO_PS2_F11 0x56
#define AO_PS2_F12 0x5e
#define AO_PS2_PRNT_SCRN 0x57
#define AO_PS2_SCROLL_LOCK 0x5f
#define AO_PS2_PAUSE 0x62
#define AO_PS2_OPEN_SQ 0x54
#define AO_PS2_INSERT 0x67
#define AO_PS2_HOME 0x6e
#define AO_PS2_PG_UP 0x6f
#define AO_PS2_DELETE 0x64
#define AO_PS2_END 0x65
#define AO_PS2_PG_DN 0x6d
#define AO_PS2_UP 0x63
#define AO_PS2_LEFT 0x61
#define AO_PS2_DOWN 0x60
#define AO_PS2_RIGHT 0x6a
#define AO_PS2_NUM_LOCK 0x76
#define AO_PS2_KP_TIMES 0x7e
#define AO_PS2_KP_PLUS 0x7c
#define AO_PS2_KP_ENTER 0x79
#define AO_PS2_KP_DECIMAL 0x71
#define AO_PS2_KP_0 0x70
#define AO_PS2_KP_1 0x69
#define AO_PS2_KP_2 0x72
#define AO_PS2_KP_3 0x7a
#define AO_PS2_KP_4 0x6b
#define AO_PS2_KP_5 0x73
#define AO_PS2_KP_6 0x74
#define AO_PS2_KP_7 0x6c
#define AO_PS2_KP_8 0x75
#define AO_PS2_KP_9 0x7d
#define AO_PS2_CLOSE_SQ 0x5b
#define AO_PS2_SEMICOLON 0x4c
#define AO_PS2_ACUTE 0x52
#define AO_PS2_COMMA 0x41
#define AO_PS2_PERIOD 0x49
#define AO_PS2_SLASH 0x4a
#define AO_PS2_RELEASE_FLAG 0x80
#endif /* _AO_PS2_H_ */
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