Exceptional handling for PS/2 scan code set 2
changed names which does not comply to C spec.(underscore prefix names)
This commit is contained in:
tmk
parent
a28a2a6a5e
commit
23c686ad46
2 changed files with 153 additions and 119 deletions
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@ -17,7 +17,7 @@
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// Convert physical keyboard layout to matrix array.
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// Convert physical keyboard layout to matrix array.
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// This is a macro to define keymap easily in keyboard layout form.
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// This is a macro to define keymap easily in keyboard layout form.
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#define KEYMAP( \
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#define KEYMAP( \
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K76, K05,K06,K04,K0C, K03,K0B,K83,K0A, K01,K09,K78,K07, KFE,K7E,KFF, KB7,KBF,KDE, \
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K76, K05,K06,K04,K0C, K03,K0B,K83,K0A, K01,K09,K78,K07, KFC,K7E,KFE, KB7,KBF,KDE, \
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K0E,K16,K1E,K26,K25,K2E,K36,K3D,K3E,K46,K45,K4E,K55,K66, KF0,KEC,KFD, K77,KCA,K7C,K7B, \
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K0E,K16,K1E,K26,K25,K2E,K36,K3D,K3E,K46,K45,K4E,K55,K66, KF0,KEC,KFD, K77,KCA,K7C,K7B, \
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K0D,K15,K1D,K24,K2D,K2C,K35,K3C,K43,K44,K4D,K54,K5B,K5D, KF1,KE9,KFA, K6C,K75,K7D, \
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K0D,K15,K1D,K24,K2D,K2C,K35,K3C,K43,K44,K4D,K54,K5B,K5D, KF1,KE9,KFA, K6C,K75,K7D, \
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K58,K1C,K1B,K23,K2B,K34,K33,K3B,K42,K4B,K4C,K52, K5A, K6B,K73,K74,K79, \
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K58,K1C,K1B,K23,K2B,K34,K33,K3B,K42,K4B,K4C,K52, K5A, K6B,K73,K74,K79, \
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@ -55,7 +55,7 @@
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{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO }, \
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{ KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO }, \
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{ KB_NO, KB_##KE9, KB_NO, KB_##KEB, KB_##KEC, KB_NO, KB_NO, KB_NO }, \
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{ KB_NO, KB_##KE9, KB_NO, KB_##KEB, KB_##KEC, KB_NO, KB_NO, KB_NO }, \
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{ KB_##KF0, KB_##KF1, KB_##KF2, KB_NO, KB_##KF4, KB_##KF5, KB_NO, KB_NO }, \
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{ KB_##KF0, KB_##KF1, KB_##KF2, KB_NO, KB_##KF4, KB_##KF5, KB_NO, KB_NO }, \
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{ KB_NO, KB_NO, KB_##KFA, KB_NO, KB_NO, KB_##KFD, KB_##KFE, KB_##KFF }, \
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{ KB_NO, KB_NO, KB_##KFA, KB_NO, KB_##KFC, KB_##KFD, KB_##KFE, KB_NO }, \
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}
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}
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@ -161,7 +161,7 @@ static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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ESC, F1, F2, F3, F4, F5, F6, F7, F8, F8, F10, F11, F12, BSPC, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS,
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ESC, F1, F2, F3, F4, F5, F6, F7, F8, F8, F10, F11, F12, BSPC, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS,
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TAB, NO, NO, NO, NO, NO, HOME,PGDN,PGUP,END, NO, NO, NO, BSLS, DEL, END, PGDN, P7, P8, P9,
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TAB, NO, NO, NO, NO, NO, HOME,PGDN,PGUP,END, NO, NO, NO, BSLS, DEL, END, PGDN, P7, P8, P9,
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CAPS,NO, NO, NO, NO, NO, LEFT,DOWN,UP, RGHT,NO, NO, ENT, P4, P5, P6, PPLS,
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CAPS,NO, NO, NO, NO, NO, LEFT,DOWN,UP, RGHT,NO, NO, ENT, P4, P5, P6, PPLS,
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LSFT,VOLD,VOLU,MUTE,NO, NO, HOME,PGUP,PGDN,END, FN1, RSFT, UP, P1, P2, P3,
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LSFT,VOLD,VOLU,MUTE,NO, NO, HOME,PGDN,PGUP,END, FN1, RSFT, UP, P1, P2, P3,
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LCTL,LGUI,LALT, SPC, RALT,RGUI,APP, RCTL, LEFT,DOWN,RGHT, P0, PDOT,PENT
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LCTL,LGUI,LALT, SPC, RALT,RGUI,APP, RCTL, LEFT,DOWN,RGHT, P0, PDOT,PENT
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),
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),
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};
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};
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266
ps2_usb/matrix.c
266
ps2_usb/matrix.c
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@ -29,40 +29,39 @@
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* 8bit
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* 8bit
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* ---------
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* ---------
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* 0| |
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* 0| |
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* :| XX | 00-7F for normal codes
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* :| XX | 00-7F for normal codes(without E0-prefix)
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* f|_________|
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* f|_________|
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* 10| |
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* 10| |
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* :| E0 XX | 80-FF for E0-prefix codes(use (XX|0x80) as code)
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* :| E0 XX | 80-FF for E0-prefix codes(use (XX|0x80) as code)
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* 1f| |
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* 1f| |
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* ---------
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* ---------
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* exceptions:
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* exceptions:
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* 0x83: F8(normal code placed beyond 0x7F)
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* 83: F8[0x83](normal codes but > 0x7F)
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* 0xFE: PrintScreen
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* FC: PrintScreen[E0 7C or 84]
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* 0xFF: Puause/Break
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* FE: Puause
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*/
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*/
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#define _PRINT_SCREEN (0xFE)
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#define F8 (0x83)
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#define _PAUSE_BREAK (0xFF)
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#define PRINT_SCREEN (0xFC)
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#define _ROW(code) (code>>3)
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#define PAUSE (0xFE)
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#define _COL(code) (code&0x07)
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#define ROW(code) (code>>3)
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#define COL(code) (code&0x07)
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static bool _matrix_is_modified = false;
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static bool is_modified = false;
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// matrix state buffer(1:on, 0:off)
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// matrix state buffer(1:on, 0:off)
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#if (MATRIX_COLS <= 8)
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#if (MATRIX_COLS <= 8)
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static uint8_t *matrix;
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static uint8_t matrix[MATRIX_ROWS];
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static uint8_t _matrix0[MATRIX_ROWS];
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#else
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#else
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static uint16_t *matrix;
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static uint16_t matrix[MATRIX_ROWS];
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static uint16_t _matrix0[MATRIX_ROWS];
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#endif
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#endif
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#ifdef MATRIX_HAS_GHOST
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#ifdef MATRIX_HAS_GHOST
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static bool matrix_has_ghost_in_row(uint8_t row);
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static bool matrix_has_ghost_in_row(uint8_t row);
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#endif
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#endif
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static void _matrix_make(uint8_t code);
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static void matrix_make(uint8_t code);
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static void _matrix_break(uint8_t code);
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static void matrix_break(uint8_t code);
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static void _ps2_reset(void);
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static void ps2_reset(void);
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static void _ps2_set_leds(uint8_t leds);
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static void ps2_set_leds(uint8_t leds);
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inline
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inline
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@ -82,38 +81,96 @@ void matrix_init(void)
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print_enable = true;
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print_enable = true;
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ps2_host_init();
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ps2_host_init();
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_ps2_reset();
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ps2_reset();
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// flush LEDs
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// flush LEDs
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_ps2_set_leds(1<<PS2_LED_NUM_LOCK);
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ps2_set_leds(1<<PS2_LED_NUM_LOCK);
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_delay_ms(100);
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_delay_ms(100);
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_ps2_set_leds(1<<PS2_LED_NUM_LOCK|1<<PS2_LED_CAPS_LOCK);
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ps2_set_leds(1<<PS2_LED_NUM_LOCK|1<<PS2_LED_CAPS_LOCK);
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_delay_ms(100);
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_delay_ms(100);
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_ps2_set_leds(1<<PS2_LED_NUM_LOCK|1<<PS2_LED_CAPS_LOCK|1<<PS2_LED_SCROLL_LOCK);
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ps2_set_leds(1<<PS2_LED_NUM_LOCK|1<<PS2_LED_CAPS_LOCK|1<<PS2_LED_SCROLL_LOCK);
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_delay_ms(300);
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_delay_ms(300);
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_ps2_set_leds(0x00);
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ps2_set_leds(0x00);
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// initialize matrix state: all keys off
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// initialize matrix state: all keys off
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for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0x00;
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for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
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matrix = _matrix0;
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return;
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return;
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}
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}
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/*
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* PS/2 Scan Code Set 2: Exceptional Handling
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*
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* There are several keys to be handled exceptionally.
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* The scan code for these keys are varied or prefix/postfix'd
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* depending on modifier key state.
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*
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* References:
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* http://www.microsoft.com/whdc/archive/scancode.mspx
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* http://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/scancode.doc
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*
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*
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* Insert, Delete, Home, End, PageUp, PageDown, Up, Down, Right, Left:
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* Num Lock: off
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* modifiers | make | break
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* ----------+---------------------------+----------------------
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* Ohter | <make> | <break>
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* LShift | E0 F0 12 <make> | <break> E0 12
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* RShift | E0 F0 59 <make> | <break> E0 59
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* L+RShift | E0 F0 12 E0 F0 59 <make> | <break> E0 59 E0 12
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*
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* Num Lock: on
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* modifiers | make | break
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* ----------+---------------------------+----------------------
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* Other | E0 12 <make> | <break> E0 F0 12
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* Shift'd | <make> | <break>
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*
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* Handling: ignore these prefix/postfix codes
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*
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*
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* Keypad-/:
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* modifiers | make | break
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* ----------+---------------------------+----------------------
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* Ohter | <make> | <break>
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* LShift | E0 F0 12 <make> | <break> E0 12
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* RShift | E0 F0 59 <make> | <break> E0 59
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* L+RShift | E0 F0 12 E0 F0 59 <make> | <break> E0 59 E0 12
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*
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* Handling: ignore these prefix/postfix codes
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*
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*
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* PrintScreen:
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* With hoding down modifiers, the scan code is sent as following:
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*
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* modifiers | make | break
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* ----------+--------------+-----------------------------------
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* Other | E0 12 E0 7C | E0 F0 7C E0 F0 12
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* Shift'd | E0 7C | E0 F0 7C
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* Control'd | E0 7C | E0 F0 7C
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* Alt'd | 84 | F0 84
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*
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* Handling: ignore prefix/postfix codes and treat both scan code
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* E0 7C and 84 as PrintScreen.
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*
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* Pause:
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* With hoding down modifiers, the scan code is sent as following:
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*
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* modifiers | make(no break code)
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* ----------+--------------------------------------------------
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* no mods | E1 14 77 E1 F0 14 F0 77
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* Control'd | E0 7E E0 F0 7E
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*
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* Handling: treat these two code sequence as Pause
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*
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*/
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uint8_t matrix_scan(void)
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uint8_t matrix_scan(void)
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{
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{
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static enum {
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static enum {
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INIT,
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INIT,
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BREAK,
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F0,
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E0,
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E0,
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E0_F0,
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E0_F0,
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// states for PrintScreen
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E0_12,
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E0_12_E0,
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E0_F0_7C,
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E0_F0_7C_E0,
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E0_F0_7C_E0_F0,
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// states for Pause/Break
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// states for Pause/Break
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E1,
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E1,
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E1_14,
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E1_14,
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@ -125,15 +182,16 @@ uint8_t matrix_scan(void)
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} state = INIT;
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} state = INIT;
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_matrix_is_modified = false;
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is_modified = false;
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// Pause/Break off(PS/2 has no break for this key)
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// Pause/Break off(PS/2 has no break for this key)
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if (matrix_is_on(_ROW(_PAUSE_BREAK), _COL(_PAUSE_BREAK))) {
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if (matrix_is_on(ROW(PAUSE), COL(PAUSE))) {
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_matrix_break(_PAUSE_BREAK);
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matrix_break(PAUSE);
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}
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}
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uint8_t code;
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uint8_t code;
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while ((code = ps2_host_recv())) {
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while ((code = ps2_host_recv())) {
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debug_hex(code); debug(" ");
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switch (state) {
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switch (state) {
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case INIT:
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case INIT:
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switch (code) {
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switch (code) {
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@ -141,113 +199,88 @@ uint8_t matrix_scan(void)
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state = E0;
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state = E0;
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break;
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break;
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case 0xF0: // break code
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case 0xF0: // break code
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state = BREAK;
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state = F0;
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break;
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break;
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case 0xE1: // Pause/Break
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case 0xE1: // Pause/Break
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state = E1;
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state = E1;
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break;
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break;
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case 0x83: // F8
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matrix_make(F8);
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state = INIT;
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break;
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case 0x84: // PrintScreen
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matrix_make(PRINT_SCREEN);
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state = INIT;
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break;
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default: // normal key make
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default: // normal key make
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if (code < 0x80) {
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if (code < 0x80) {
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_matrix_make(code);
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matrix_make(code);
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} else {
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} else {
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debug("ps/2 unknow code: "); debug_hex(code); debug("\n");
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debug("unexpected scan code at INIT: "); debug_hex(code); debug("\n");
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}
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}
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state = INIT;
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state = INIT;
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}
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}
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break;
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break;
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case E0:
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case E0:
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switch (code) {
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switch (code) {
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case 0x12: // PrintScreen(make)
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case 0x12: // postfix/postfix code for exceptional keys
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state = E0_12;
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case 0x59: // postfix/postfix code for exceptional keys
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break;
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case 0x7C: // PrintScreen(typematic)
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// ignore
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// ignore
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state = INIT;
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state = INIT;
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break;
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break;
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case 0x7E: // former part of Control-Pause[E0 7E E0 F0 7E]
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matrix_make(PAUSE);
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state = INIT;
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break;
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case 0xF0: // E0 break
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case 0xF0: // E0 break
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state = E0_F0;
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state = E0_F0;
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break;
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break;
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default: // E0 make
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default: // E0 make
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if (code < 0x80) {
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if (code < 0x80) {
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_matrix_make(code|0x80);
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matrix_make(code|0x80);
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} else {
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} else {
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debug("ps/2 unknow code: "); debug_hex(code); debug("\n");
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debug("unexpected scan code at E0: "); debug_hex(code); debug("\n");
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}
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}
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state = INIT;
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state = INIT;
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}
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}
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break;
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break;
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case BREAK:
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case F0:
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if (code < 0x80) {
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switch (code) {
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_matrix_break(code);
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case 0x83:
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} else {
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matrix_break(F8);
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debug("ps/2 unknow code: "); debug_hex(code); debug("\n");
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state = INIT;
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break;
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case 0x84:
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matrix_break(PRINT_SCREEN);
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state = INIT;
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break;
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default:
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if (code < 0x80) {
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matrix_break(code);
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} else {
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debug("unexpected scan code at F0: "); debug_hex(code); debug("\n");
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}
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state = INIT;
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}
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}
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state = INIT;
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break;
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break;
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case E0_F0: // E0 break
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case E0_F0: // E0 break
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switch (code) {
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switch (code) {
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case 0x7C:
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case 0x12: // postfix/postfix code for exceptional keys
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state = E0_F0_7C;
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case 0x59: // postfix/postfix code for exceptional keys
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case 0x7E: // latter part of Control-Pause[E0 7E E0 F0 7E]
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// ignore
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state = INIT;
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break;
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break;
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default:
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default:
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if (code < 0x80) {
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if (code < 0x80) {
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||||||
_matrix_break(code|0x80);
|
matrix_break(code|0x80);
|
||||||
} else {
|
} else {
|
||||||
debug("ps/2 unknow code: "); debug_hex(code); debug("\n");
|
debug("unexpected scan code at E0_F0: "); debug_hex(code); debug("\n");
|
||||||
}
|
}
|
||||||
state = INIT;
|
state = INIT;
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
/* PrintScreen(make) */
|
/* Pause */
|
||||||
case E0_12:
|
|
||||||
switch (code) {
|
|
||||||
case 0xE0:
|
|
||||||
state = E0_12_E0;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
state = INIT;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case E0_12_E0:
|
|
||||||
switch (code) {
|
|
||||||
case 0x7C:
|
|
||||||
_matrix_make(_PRINT_SCREEN);
|
|
||||||
state = INIT;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
state = INIT;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
/* PrintScreen(break) */
|
|
||||||
case E0_F0_7C:
|
|
||||||
switch (code) {
|
|
||||||
case 0xE0:
|
|
||||||
state = E0_F0_7C_E0;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
state = INIT;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case E0_F0_7C_E0:
|
|
||||||
switch (code) {
|
|
||||||
case 0xF0:
|
|
||||||
state = E0_F0_7C_E0_F0;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
state = INIT;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case E0_F0_7C_E0_F0:
|
|
||||||
switch (code) {
|
|
||||||
case 0x12:
|
|
||||||
_matrix_break(_PRINT_SCREEN);
|
|
||||||
state = INIT;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
state = INIT;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
/* Pause/Break */
|
|
||||||
case E1:
|
case E1:
|
||||||
switch (code) {
|
switch (code) {
|
||||||
case 0x14:
|
case 0x14:
|
||||||
|
|
@ -305,7 +338,7 @@ uint8_t matrix_scan(void)
|
||||||
case E1_14_77_E1_F0_14_F0:
|
case E1_14_77_E1_F0_14_F0:
|
||||||
switch (code) {
|
switch (code) {
|
||||||
case 0x77:
|
case 0x77:
|
||||||
_matrix_make(_PAUSE_BREAK);
|
matrix_make(PAUSE);
|
||||||
state = INIT;
|
state = INIT;
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
|
|
@ -317,6 +350,7 @@ uint8_t matrix_scan(void)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// handle LED indicators
|
||||||
static uint8_t prev_leds = 0;
|
static uint8_t prev_leds = 0;
|
||||||
if (prev_leds != usb_keyboard_leds) {
|
if (prev_leds != usb_keyboard_leds) {
|
||||||
uint8_t leds = 0;
|
uint8_t leds = 0;
|
||||||
|
|
@ -327,7 +361,7 @@ uint8_t matrix_scan(void)
|
||||||
if (usb_keyboard_leds&(1<<USB_LED_CAPS_LOCK))
|
if (usb_keyboard_leds&(1<<USB_LED_CAPS_LOCK))
|
||||||
leds |= (1<<PS2_LED_CAPS_LOCK);
|
leds |= (1<<PS2_LED_CAPS_LOCK);
|
||||||
|
|
||||||
_ps2_set_leds(leds);
|
ps2_set_leds(leds);
|
||||||
prev_leds = usb_keyboard_leds;
|
prev_leds = usb_keyboard_leds;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
@ -336,7 +370,7 @@ uint8_t matrix_scan(void)
|
||||||
|
|
||||||
bool matrix_is_modified(void)
|
bool matrix_is_modified(void)
|
||||||
{
|
{
|
||||||
return _matrix_is_modified;
|
return is_modified;
|
||||||
}
|
}
|
||||||
|
|
||||||
inline
|
inline
|
||||||
|
|
@ -422,24 +456,24 @@ static bool matrix_has_ghost_in_row(uint8_t row)
|
||||||
|
|
||||||
|
|
||||||
inline
|
inline
|
||||||
static void _matrix_make(uint8_t code)
|
static void matrix_make(uint8_t code)
|
||||||
{
|
{
|
||||||
if (!matrix_is_on(_ROW(code), _COL(code))) {
|
if (!matrix_is_on(ROW(code), COL(code))) {
|
||||||
matrix[_ROW(code)] |= 1<<_COL(code);
|
matrix[ROW(code)] |= 1<<COL(code);
|
||||||
_matrix_is_modified = true;
|
is_modified = true;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
inline
|
inline
|
||||||
static void _matrix_break(uint8_t code)
|
static void matrix_break(uint8_t code)
|
||||||
{
|
{
|
||||||
if (matrix_is_on(_ROW(code), _COL(code))) {
|
if (matrix_is_on(ROW(code), COL(code))) {
|
||||||
matrix[_ROW(code)] &= ~(1<<_COL(code));
|
matrix[ROW(code)] &= ~(1<<COL(code));
|
||||||
_matrix_is_modified = true;
|
is_modified = true;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
static void _ps2_reset(void)
|
static void ps2_reset(void)
|
||||||
{
|
{
|
||||||
ps2_host_send(0xFF);
|
ps2_host_send(0xFF);
|
||||||
ps2_host_recv(); // 0xFA
|
ps2_host_recv(); // 0xFA
|
||||||
|
|
@ -447,7 +481,7 @@ static void _ps2_reset(void)
|
||||||
_delay_ms(1000);
|
_delay_ms(1000);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void _ps2_set_leds(uint8_t leds)
|
static void ps2_set_leds(uint8_t leds)
|
||||||
{
|
{
|
||||||
ps2_host_send(0xED);
|
ps2_host_send(0xED);
|
||||||
ps2_host_recv(); // 0xFA
|
ps2_host_recv(); // 0xFA
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue