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Diffstat (limited to 'src/drivers/ao_ps2.h')
| -rw-r--r-- | src/drivers/ao_ps2.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/drivers/ao_ps2.h b/src/drivers/ao_ps2.h new file mode 100644 index 00000000..f1f05ee5 --- /dev/null +++ b/src/drivers/ao_ps2.h @@ -0,0 +1,220 @@ +/* + * 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_ */ |