alexvoste
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
#ifndef PS2_H
|
|
#define PS2_H
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
|
|
#define PS2_DATA_PORT 0x60
|
|
#define PS2_STATUS_PORT 0x64
|
|
#define PS2_CMD_PORT 0x64
|
|
|
|
#define PS2_STATUS_OUTPUT_FULL (1 << 0)
|
|
#define PS2_STATUS_INPUT_FULL (1 << 1)
|
|
|
|
#define PS2_CMD_READ_CONFIG 0x20
|
|
#define PS2_CMD_WRITE_CONFIG 0x60
|
|
#define PS2_CMD_DISABLE_PORT2 0xA7
|
|
#define PS2_CMD_ENABLE_PORT2 0xA8
|
|
#define PS2_CMD_TEST_PORT2 0xA9
|
|
#define PS2_CMD_SELF_TEST 0xAA
|
|
#define PS2_CMD_TEST_PORT1 0xAB
|
|
#define PS2_CMD_DISABLE_PORT1 0xAD
|
|
#define PS2_CMD_ENABLE_PORT1 0xAE
|
|
#define PS2_CMD_WRITE_PORT2 0xD4
|
|
|
|
#define PS2_CFG_PORT1_IRQ (1 << 0)
|
|
#define PS2_CFG_PORT2_IRQ (1 << 1)
|
|
#define PS2_CFG_PORT1_XLAT (1 << 6)
|
|
|
|
#define PS2_KEY_RELEASE_BIT 0x80
|
|
|
|
#define SC_LSHIFT 0x2A
|
|
#define SC_RSHIFT 0x36
|
|
#define SC_CAPS 0x3A
|
|
#define SC_LCTRL 0x1D
|
|
#define SC_LALT 0x38
|
|
#define SC_ESCAPE 0x01
|
|
#define SC_F1 0x3B
|
|
#define SC_F2 0x3C
|
|
#define SC_F3 0x3D
|
|
#define SC_F4 0x3E
|
|
#define SC_F5 0x3F
|
|
#define SC_F6 0x40
|
|
#define SC_F7 0x41
|
|
#define SC_F8 0x42
|
|
#define SC_F9 0x43
|
|
#define SC_F10 0x44
|
|
#define SC_F11 0x57
|
|
#define SC_F12 0x58
|
|
|
|
#define MOUSE_BTN_LEFT (1 << 0)
|
|
#define MOUSE_BTN_RIGHT (1 << 1)
|
|
#define MOUSE_BTN_MIDDLE (1 << 2)
|
|
#define MOUSE_X_SIGN (1 << 4)
|
|
#define MOUSE_Y_SIGN (1 << 5)
|
|
#define MOUSE_X_OVERFLOW (1 << 6)
|
|
#define MOUSE_Y_OVERFLOW (1 << 7)
|
|
|
|
typedef enum {
|
|
MOUSE_SCROLL_NONE = 0,
|
|
MOUSE_SCROLL_UP,
|
|
MOUSE_SCROLL_DOWN,
|
|
} mouse_scroll_t;
|
|
|
|
typedef struct {
|
|
int32_t x, y;
|
|
bool btn_left, btn_right, btn_middle;
|
|
mouse_scroll_t scroll;
|
|
} mouse_state_t;
|
|
|
|
typedef struct {
|
|
bool shift, caps_lock, ctrl, alt;
|
|
} kb_state_t;
|
|
|
|
#define KB_BUF_SIZE 64
|
|
|
|
typedef struct {
|
|
char buf[KB_BUF_SIZE];
|
|
uint8_t head, tail;
|
|
} kb_buf_t;
|
|
|
|
bool ps2_init(void);
|
|
const kb_state_t* ps2_kb_get_state(void);
|
|
const mouse_state_t* ps2_mouse_get_state(void);
|
|
bool kb_buf_empty(void);
|
|
char kb_buf_getc(void);
|
|
bool kb_buf_try_getc(char *out);
|
|
bool kb_buf_has_ctrlc(void);
|
|
void kb_buf_consume_ctrlc(void);
|
|
|
|
#endif |