qmk_firmware/keyboards/mlego/m65/m65.c

// Copyright 2020-2023 alin m elena (@alinelena)
// SPDX-License-Identifier: GPL-2.0-or-later

#include QMK_KEYBOARD_H

// let us assume we start with both layers off
static bool toggle_lwr = false;
static bool toggle_rse = false;

#if defined(RGBLIGHT_ENABLE)

const rgblight_segment_t PROGMEM my_qwerty_layer[] = RGBLIGHT_LAYER_SEGMENTS({0, RGBLIGHT_LED_COUNT, HSV_OFF});
const rgblight_segment_t PROGMEM my_lwr_layer[]    = RGBLIGHT_LAYER_SEGMENTS({0, RGBLIGHT_LED_COUNT, HSV_AZURE});
const rgblight_segment_t PROGMEM my_rse_layer[]    = RGBLIGHT_LAYER_SEGMENTS({0, RGBLIGHT_LED_COUNT, HSV_CORAL});
const rgblight_segment_t PROGMEM my_adj_layer[]    = RGBLIGHT_LAYER_SEGMENTS({0, RGBLIGHT_LED_COUNT, HSV_RED});

const rgblight_segment_t* const PROGMEM my_rgb_layers[] = RGBLIGHT_LAYERS_LIST(my_qwerty_layer, my_lwr_layer, my_rse_layer, my_adj_layer);

#endif

#if defined(OLED_ENABLE)
static uint32_t           oled_logo_timer = 0;
static bool               clear_logo      = true;
static const char PROGMEM m65_logo[]      = {0x92, 0x92, 0x93, 0x94, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x92, 0x92, 0x93, 0x94, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB2, 0x92, 0xB3, 0xB4, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0};
#endif

#if defined(RGBLIGHT_ENABLE)

void set_rgb_layers(layer_state_t state) {
    rgblight_set_layer_state(0, layer_state_cmp(state, _QW));
    rgblight_set_layer_state(1, layer_state_cmp(state, _LWR));
    rgblight_set_layer_state(2, layer_state_cmp(state, _RSE));
    rgblight_set_layer_state(3, layer_state_cmp(state, _ADJ));
}

void set_default_rgb_layers(layer_state_t state) {
    rgblight_set_layer_state(0, layer_state_cmp(state, _QW));
}

const rgblight_segment_t* const* my_rgb(void) {
    return my_rgb_layers;
}

#endif

void set_led_toggle(const uint8_t layer, const bool state) {
    switch (layer) {
        case _LWR:
            toggle_lwr = state;
            break;
        case _RSE:
            toggle_rse = state;
            break;
        default:
            break;
    }
}

void toggle_leds(const bool toggle_lwr, const bool toggle_rse) {
    led_lwr(toggle_lwr);
    led_rse(toggle_rse);
    if (layer_state_is(_ADJ)) {
        led_lwr(true);
        led_rse(true);
    }
}

#if defined(OLED_ENABLE)

void init_timer(void) {
    oled_logo_timer = timer_read32();
};

void user_oled_magic(void) {
    // Host Keyboard Layer Status
    oled_write_P(PSTR("Layer: "), false);

    switch (get_highest_layer(layer_state)) {
        case _QW:
            oled_write_P(PSTR("Default\n"), false);
            break;
        case _LWR:
            oled_write_P(PSTR("Lower\n"), false);
            break;
        case _RSE:
            oled_write_P(PSTR("Raise\n"), false);
            break;
        case _ADJ:
            oled_write_P(PSTR("ADJ\n"), false);
            break;
        default:
            // Or use the write_ln shortcut over adding '\n' to the end of your string
            oled_write_ln_P(PSTR("Undefined"), false);
    }

    // Host Keyboard LED Status
    led_t led_state = host_keyboard_led_state();
    oled_write_P(led_state.num_lock ? PSTR("Lower ") : PSTR("    "), false);
    oled_write_P(led_state.scroll_lock ? PSTR("Raise ") : PSTR("    "), false);
    oled_write_P(led_state.caps_lock ? PSTR("CapsLock ") : PSTR("    "), false);

#    if defined(UNICODE_COMMON_ENABLE)
    oled_write_P(PSTR("\nunicode: "), false);
    switch (get_unicode_input_mode()) {
        case UNICODE_MODE_LINUX:
            oled_write_P(PSTR("Linux"), false);
            break;
        case UNICODE_MODE_MACOS:
            oled_write_P(PSTR("apple"), false);
            break;
        case UNICODE_MODE_WINDOWS:
            oled_write_P(PSTR("windows"), false);
            break;
        case UNICODE_MODE_WINCOMPOSE:
            oled_write_P(PSTR("windows c"), false);
            break;
        case UNICODE_MODE_BSD:
            oled_write_P(PSTR("bsd"), false);
            break;
        case UNICODE_MODE_EMACS:
            oled_write_P(PSTR("emacs"), false);
            break;
        default:
            oled_write_ln_P(PSTR("not supported"), false);
    }
#    endif

#    if defined(WPM_ENABLE)
    oled_write_P(PSTR("\nwpm: "), false);
    uint8_t wpm = get_current_wpm();
    oled_write_P(wpm != 0 ? get_u8_str(wpm, ' ') : PSTR("   "), false);
#    endif
}

void render_logo(void) {
    oled_write_P(m65_logo, false);
}

void clear_screen(void) {
    if (clear_logo) {
        for (uint8_t i = 0; i < OLED_DISPLAY_HEIGHT; ++i) {
            for (uint8_t j = 0; j < OLED_DISPLAY_WIDTH; ++j) {
                oled_write_raw_byte(0x0, i * OLED_DISPLAY_WIDTH + j);
            }
        }
        clear_logo = false;
    }
}

oled_rotation_t oled_init_user(oled_rotation_t rotation) {
    return OLED_ROTATION_180;
}

#    define SHOW_LOGO 5000
bool oled_task_kb(void) {
    if (!oled_task_user()) {
        return false;
    }
    if ((timer_elapsed32(oled_logo_timer) < SHOW_LOGO)) {
        render_logo();
    } else {
        clear_screen();
        user_oled_magic();
    }
    return false;
}

#endif

void matrix_scan_kb(void) {
    matrix_scan_user();
    toggle_leds(toggle_lwr, toggle_rse);
}

bool process_record_kb(uint16_t keycode, keyrecord_t* record) {
#if defined(CONSOLE_ENABLE)
    uprintf("KL: kc: 0x%04X, col: %2u, row: %2u, pressed: %u, time: %5u, int: %u, count: %u\n", keycode, record->event.key.col, record->event.key.row, record->event.pressed, record->event.time, record->tap.interrupted, record->tap.count);
#endif

    switch (keycode) {
        case (TT(_LWR)):
            if (!record->event.pressed && record->tap.count == TAPPING_TOGGLE) {
                // This runs before the TT() handler toggles the layer state, so the current layer state is the opposite of the final one after toggle.
                set_led_toggle(_LWR, !layer_state_is(_LWR));
            }
            return true;
            break;
        case (TT(_RSE)):
            if (record->event.pressed && record->tap.count == TAPPING_TOGGLE) {
                set_led_toggle(_RSE, !layer_state_is(_RSE));
            }
            return true;
            break;
        default:
            return true;
    }
    return process_record_user(keycode, record);
}

layer_state_t layer_state_set_kb(layer_state_t state) {
    state = layer_state_set_user(state);

#if defined(RGBLIGHT_ENABLE)

    set_rgb_layers(state);

#endif

    return update_tri_layer_state(state, _LWR, _RSE, _ADJ);
}

#if defined(RGBLIGHT_ENABLE)

layer_state_t default_layer_state_set_kb(layer_state_t state) {
    state = default_layer_state_set_user(state);

    set_default_rgb_layers(state);

    return state;
}

#endif

void keyboard_post_init_kb(void) {
    init_lwr_rse_led();

#if defined(RGBLIGHT_ENABLE)
    // Enable the LED layers
    rgblight_layers = my_rgb();
#endif

#if defined(OLED_ENABLE)
    init_timer();
#endif

#if defined(CONSOLE_ENABLE)
    debug_enable   = true;
    debug_matrix   = true;
    debug_keyboard = true;
#endif

    keyboard_post_init_user();
}