deskthority

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/* key matrix size */
#define MATRIX_ROWS 9
#define MATRIX_COLS 13

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static void  init_cols(void)
{
    // Input with pull-up(DDR:0, PORT:1)
    DDRD  &= ~(1<<1 | 1<<2 | 1<<3 | 1<<4 | 1<<5 | 1<<6 | 1<<7);
    PORTD |=  (1<<1 | 1<<2 | 1<<3 | 1<<4 | 1<<5 | 1<<6 | 1<<7);
    DDRE  &= ~(1<<0 | 1<<1);
    PORTE |=  (1<<0 | 1<<1);
    DDRC  &= ~(1<<0 | 1<<1 | 1<<2 | 1<<3 | 1<<4);
    PORTC |=  (1<<0 | 1<<1 | 1<<2 | 1<<3 | 1<<4);
}

static matrix_row_t read_cols(void)
{
    return (PIND&(1<<1) ? 0 : (1<<0)) |
           (PIND&(1<<2) ? 0 : (1<<1)) |
           (PIND&(1<<3) ? 0 : (1<<2)) |
           (PIND&(1<<4) ? 0 : (1<<3)) |
           (PIND&(1<<5) ? 0 : (1<<4)) |
           (PIND&(1<<7) ? 0 : (1<<5)) |
           (PINE&(1<<0) ? 0 : (1<<6)) |
           //((PINB&(1<<0) && PINB&(1<<7)) ? 0 : (1<<8)) |     // Rev.A and B
           (PINE&(1<<1) ? 0 : (1<<7)) |
           (PINC&(1<<0) ? 0 : (1<<8)) |
           (PINC&(1<<1) ? 0 : (1<<9)) |
           (PINC&(1<<2) ? 0 : (1<<10)) |
           (PINC&(1<<3) ? 0 : (1<<11)) |
           (PINC&(1<<4) ? 0 : (1<<12));
}

/* Row pin configuration
 * row: 0   1   2   3   4
 * pin: D0  D1  D2  D3  D5
 */
static void unselect_rows(void)
{
    // Hi-Z(DDR:0, PORT:0) to unselect
    DDRB  &= ~0b11111111;
    PORTB &= ~0b11111111;
    DDRD  &= ~0b00000001;
    PORTD &= ~0b00000001;
}

static void select_row(uint8_t row)
{
    // Output low(DDR:1, PORT:0) to select
    switch (row) {
        case 0:
            DDRB  |= (1<<0);
            PORTB &= ~(1<<0);
            break;
        case 1:
            DDRB  |= (1<<1);
            PORTB &= ~(1<<1);
            break;
        case 2:
            DDRB  |= (1<<2);
            PORTB &= ~(1<<2);
            break;
        case 3:
            DDRB  |= (1<<3);
            PORTB &= ~(1<<3);
            break;
        case 4:
            DDRB  |= (1<<4);
            PORTB &= ~(1<<4);
            break;
        case 5:
            DDRB  |= (1<<5);
            PORTB &= ~(1<<5);
            break;
        case 6:
            DDRB  |= (1<<6);
            PORTB &= ~(1<<6);
            break;
        case 7:
            DDRB  |= (1<<7);
            PORTB &= ~(1<<7);
            break;
        case 8:
            DDRD  |= (1<<0);
            PORTD &= ~(1<<0);
            break;    
    }
}

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void led_set(uint8_t usb_led)
{
    if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
        // output low
        DDRD |= (1<<6);
        PORTD &= ~(1<<6);
    } else {
        // Hi-Z
        DDRD &= ~(1<<6);
        PORTD &= ~(1<<6);
    }
}

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#define KEYMAP( \
    K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, \
    K10, K11, K12, K13,      K15, K16, K17, K18, K19, K1A, \
    K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, \
    K30, K31, K32,      K34, K35, K36, K37, K38, K39, K3A, \
    K40, K41, K42, K43, K44, K45, K46, K47,      K49, K4A, \
                                                           K5B, K5C, \
    K60, K61, K62, K63, K64, K65, K66, K67, K68, \
    K70, K71, K72, K73, K74, K75, K76, K77, K78, \
    K80, K81, K82, K83, K84, K85, K86, K87, K88, K89\                                                       
) { \
    { KC_##K00, KC_##K01, KC_##K02, KC_##K03, KC_##K04, KC_##K05, KC_##K06, KC_##K07, KC_##K08, KC_##K09, KC_##K0A }, \
    { KC_##K10, KC_##K11, KC_##K12, KC_##K13, KC_NO   , KC_##K15, KC_##K16, KC_##K17, KC_##K18, KC_##K19, KC_##K1A }, \
    { KC_##K20, KC_##K21, KC_##K22, KC_##K23, KC_##K24, KC_##K25, KC_##K26, KC_##K27, KC_##K28, KC_##K29, KC_##K2A }, \
    { KC_##K30, KC_##K31, KC_##K32, KC_NO   , KC_##K34, KC_##K35, KC_##K36, KC_##K37, KC_##K38, KC_##K39, KC_##K3A }, \
    { KC_##K40, KC_##K41, KC_##K42, KC_##K43, KC_##K44, KC_##K45, KC_##K46, KC_##K47, KC_NO   , KC_##K49, KC_##K4A }, \
    { KC_NO   , KC_NO   , KC_NO   , KC_NO   , KC_NO   , KC_NO   , KC_NO   , KC_NO   , KC_NO   , KC_NO   , KC_NO   , KC_##5B , KC_5C }, \
    { KC_##K60, KC_##K61, KC_##K62, KC_##K63, KC_##K64, KC_##K65, KC_##K66, KC_##K67, KC_##K68 }, \
    { KC_##K70, KC_##K71, KC_##K72, KC_##K73, KC_##K74, KC_##K75, KC_##K76, KC_##K77, KC_##K78 }, \
    { KC_##K80, KC_##K81, KC_##K82, KC_##K83, KC_##K84, KC_##K85, KC_##K86, KC_##K87, KC_##K88, KC_##K89 }, \
}