Nathan Singer
f9c2ea2f2b
Added a math library, with clamp and POW. added printf support for printing doubles added a few helper functions in PIT for calcaulting the time in seconds of a clock cycle based on divisor
146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
#include <stdint.h>
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#include <stdbool.h>
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#ifndef ARCH_KEYB_H
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#define ARCH_KEYB_H
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#define KEYB_PORT (0x60)
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#define KEYB_CMD_RETRIES 3
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typedef enum {
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KEYB_CMD_SET_LEDS = 0xED,
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KEYB_CMD_ECHO = 0xEE,
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KEYB_CMD_DO_SCAN_CODE = 0xF0,
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KEYB_CMD_IDENTIFY_KEYB = 0xF2,
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KEYB_CMD_SET_TYPEMATIC = 0xF3,
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KEYB_CMD_ENABLE_SCANNING = 0xF4,
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KEYB_CMD_DISABLE_SCANNING = 0xF5,
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KEYB_CMD_SET_DEFAULT_PARAMS = 0xF6,
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KEYB_CMD_TYPEMATIC_AUTOREPEAT_3 = 0xF7,
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KEYB_CMD_ALL_MAKE_RELEASE_3 = 0xF8,
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KEYB_CMD_MAKE_ONLY_3 = 0xF9,
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KEYB_CMD_TYPE_AUTOREPEAT_MAKE_RELEASE_3 = 0xFA,
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KEYB_CMD_KEY_TYPEMATIC_AUTOREPEAT_3 = 0xFB,
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KEYB_CMD_KEY_MAKE_RELEASE_3 = 0xFC,
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KEYB_CMD_KEY_MAKE_3 = 0xFD,
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KEYB_RESEND_LAST_BYTE = 0xFE,
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KEYB_RESET_SELF_TEST = 0xFF
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} keyb_cmd_t;
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#define KEYB_LED_SCRL_LCK (1 << 0)
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#define KEYB_LED_NUM_LCK (1 << 1)
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#define KEYB_LED_CAP_LCK (1 << 2)
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// TODO investigate
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#define KEYB_GET_SCAN_SET (0x00)
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#define KEYB_SET_SCAN_1 (0x01)
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#define KEYB_SET_SCAN_2 (0x02)
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#define KEYB_SET_SCAN_3 (0x03)
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typedef enum {
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KEYB_RESP_ERR = 0x00,
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KEYB_RESP_SELF_TEST_PASSED = 0xAA,
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KEYB_RESP_ECHO = 0xEE,
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KEYB_RESP_ACK = 0xFA,
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KEYB_RESP_SELF_TEST_FAILED = 0xFC,
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KEYB_RESP_SELF_TEST_FAILED_TWO = 0xFD,
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KEYB_RESP_RESEND = 0xFE,
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KEYB_RESP_ERR_TWO = 0xFF
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} keyb_resp_t;
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#define STATUS_FLAG_RSHIFT (1 << 0)
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#define STATUS_FLAG_LSHIFT (1 << 1)
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#define STATUS_FLAG_CTRL (1 << 2)
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#define STATUS_FLAG_ALT (1 << 3)
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#define STATUS_FLAG_SCRL_LOCK (1 << 4)
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#define STATUS_FLAG_NUM_LOCK (1 << 5)
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#define STATUS_FLAG_CAPS_LOCK (1 << 6)
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#define STATUS_FLAG_INSERT (1 << 7)
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typedef enum {
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KEY_NONE,
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KEY_ESC = 0x01,
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KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_0,
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KEY_MINUS, KEY_EQUALS,
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KEY_BACKSPACE, KEY_TAB,
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KEY_Q, KEY_W, KEY_E, KEY_R, KEY_T, KEY_Y, KEY_U, KEY_I, KEY_O, KEY_P,
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KEY_LEFT_BRACKET, KEY_RIGHT_BRACKET, KEY_ENTER, KEY_LEFT_CTRL,
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KEY_A, KEY_S, KEY_D, KEY_F, KEY_G, KEY_H, KEY_J, KEY_K, KEY_L,
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KEY_SEMICOLON, KEY_SINGLE_QUOTE, KEY_BACK_TICK, KEY_LEFT_SHIFT, KEY_BACKSLASH,
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KEY_Z, KEY_X, KEY_C, KEY_V, KEY_B, KEY_N, KEY_M,
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KEY_COMMA, KEY_PERIOD,
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KEY_FORWARDSLASH,
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KEY_RIGHT_SHIFT,
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KEY_KP_ASTERISK,
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KEY_LEFT_ALT,
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KEY_SPACE, KEY_CAPSLOCK,
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KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7, KEY_F8, KEY_F9, KEY_F10,
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KEY_NUMLOCK, KEY_SCROLLLOCK,
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KEY_KP_7, KEY_KP_8, KEY_KP_9,
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KEY_KP_MINUS,
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KEY_KP_4, KEY_KP_5, KEY_KP_6,
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KEY_KP_PLUS,
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KEY_KP_1, KEY_KP_2, KEY_KP_3, KEY_KP_0,
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KEY_KP_PERIOD,
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KEY_F11 = 0x57,
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KEY_F12,
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KEY_ESC_R = 0x81,
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KEY_1_R, KEY_2_R, KEY_3_R, KEY_4_R, KEY_5_R, KEY_6_R, KEY_7_R, KEY_8_R, KEY_9_R, KEY_0_R,
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KEY_MINUS_R, KEY_EQUALS_R,
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KEY_BACKSPACE_R,
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KEY_TAB_R,
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KEY_Q_R, KEY_W_R, KEY_E_R, KEY_R_R, KEY_T_R, KEY_Y_R, KEY_U_R, KEY_I_R, KEY_O_R, KEY_P_R,
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KEY_LEFT_BRACKET_R, KEY_RIGHT_BRACKET_R,
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KEY_ENTER_R, KEY_LEFT_CTRL_R,
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KEY_A_R, KEY_S_R, KEY_D_R, KEY_F_R, KEY_G_R, KEY_H_R, KEY_J_R, KEY_K_R, KEY_L_R,
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KEY_SEMICOLON_R, KEY_SINGLE_QUOTE_R, KEY_BACK_TICK_R, KEY_LEFT_SHIFT_R, KEY_BACKSLASH_R,
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KEY_Z_R, KEY_X_R, KEY_C_R, KEY_V_R, KEY_B_R, KEY_N_R, KEY_M_R,
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KEY_COMMA_R, KEY_PERIOD_R,
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KEY_FORWARDSLASH_R,
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KEY_RIGHT_SHIFT_R,
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KEY_KP_ASTERISK_R,
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KEY_LEFT_ALT_R,
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KEY_SPACE_R, KEY_CAPSLOCK_R,
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KEY_F1_R, KEY_F2_R, KEY_F3_R, KEY_F4_R, KEY_F5_R, KEY_F6_R, KEY_F7_R, KEY_F8_R, KEY_F9_R, KEY_F10_R,
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KEY_NUMLOCK_R, KEY_SCROLLLOCK_R,
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KEY_KP_7_R, KEY_KP_8_R, KEY_KP_9_R,
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KEY_KP_MINUS_R,
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KEY_KP_4_R, KEY_KP_5_R, KEY_KP_6_R,
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KEY_KP_PLUS_R,
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KEY_KP_1_R, KEY_KP_2_R, KEY_KP_3_R, KEY_KP_0_R,
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KEY_KP_PERIOD_R,
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KEY_F11_R = 0xD7,
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KEY_F12_R,
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} kb_key_code_t;
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#define KEY_PRESS_RELEASE_DIFF (KEY_ESC_R - KEY_ESC)
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typedef struct {
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kb_key_code_t key_code;
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uint8_t flags;
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bool release;
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} key_press_t ;
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struct keyboard_state {
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bool ready;
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bool waiting_for_commands;
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uint8_t leds;
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uint8_t flags;
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};
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void init_kb(void);
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void send_kb_commands(void);
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void queue_kb_command(uint8_t command);
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kb_key_code_t decode_scancode(uint8_t scancode);
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key_press_t do_keypress(kb_key_code_t keycode);
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#endif
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