105 lines
1.8 KiB
C
105 lines
1.8 KiB
C
#ifndef __KERNEL_DEVICES_KEYBOARD_H__
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# define __KERNEL_DEVICES_KEYBOARD_H__
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#include <stddef.h>
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#include <stdint.h>
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#include <sys/types.h>
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// Macros which generate keycode
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#define KEYCODE_GEN(row, column) \
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(((row & 0x0f) << 4) | ((column & 0x0f) << 0))
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// Internal struct used by the keyboard abstraction
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struct keycache_s
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{
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uint8_t keycode;
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uint8_t key_frame;
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uint32_t counter;
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struct keycache_s *next;
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};
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// Structure used by the keybaord abstraction
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// FIXME: this macros is hardware specific !!
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#define KEYBOARD_NB_KEYS (96)
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struct keyscan_s
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{
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uint8_t keycode;
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uint32_t counter;
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};
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typedef struct keyscan_s keyscan_t;
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// Define all keycode
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typedef enum key_e
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{
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KEY_F1 = 0x41,
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KEY_F2 = 0x42,
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KEY_F3 = 0x43,
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KEY_F4 = 0x44,
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KEY_F5 = 0x45,
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KEY_F6 = 0x46,
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KEY_SHIFT = 0x49,
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KEY_OPTN = 0x4a,
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KEY_VARS = 0x4b,
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KEY_MENU = 0x4c,
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KEY_LEFT = 0x4d,
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KEY_UP = 0x4e,
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KEY_ALPHA = 0x31,
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KEY_SQUARE = 0x32,
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KEY_POWER = 0x33,
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KEY_EXIT = 0x34,
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KEY_DOWN = 0x35,
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KEY_RIGHT = 0x36,
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KEY_XOT = 0x39,
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KEY_LOG = 0x3a,
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KEY_LN = 0x3b,
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KEY_SIN = 0x3c,
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KEY_COS = 0x3d,
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KEY_TAN = 0x3e,
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KEY_FRAC = 0x21,
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KEY_FD = 0x22,
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KEY_LEFTP = 0x23,
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KEY_RIGHTP = 0x24,
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KEY_COMMA = 0x25,
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KEY_ARROW = 0x26,
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KEY_7 = 0x29,
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KEY_8 = 0x2a,
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KEY_9 = 0x2b,
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KEY_DEL = 0x2c,
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KEY_4 = 0x11,
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KEY_5 = 0x12,
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KEY_6 = 0x13,
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KEY_MUL = 0x14,
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KEY_DIV = 0x15,
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KEY_1 = 0x19,
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KEY_2 = 0x1a,
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KEY_3 = 0x1b,
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KEY_PLUS = 0x1c,
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KEY_MINUS = 0x1d,
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KEY_0 = 0x01,
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KEY_DOT = 0x02,
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KEY_EXP = 0x03,
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KEY_NEG = 0x04,
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KEY_EXE = 0x05,
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KEY_UNUSED = 0xff
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} key_t;
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// key cache abstrations functions
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extern void keycache_initialize(void);
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extern void keycache_clean(int key_frame);
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extern void keycache_update(int row, int column, uint8_t key_frame);
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// Helpers
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extern void keyboard_wait_event(keyscan_t *list);
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#endif /*__KERNEL_DEVICES_KEYBOARD_H__*/
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