qmk_firmware/keyboards/helix/helix.c

// Copyright 2020 Yushakobo
// SPDX-License-Identifier: GPL-2.0-or-later
#include "quantum.h"

#ifdef OLED_ENABLE
void render_status(void) {
    static const char os_logo[][2][3] PROGMEM = {{{0x95, 0x96, 0}, {0xb5, 0xb6, 0}}, {{0x97, 0x98, 0}, {0xb7, 0xb8, 0}}};
    if (!keymap_config.swap_lalt_lgui) {
        oled_write_P(os_logo[0][0], false);
        oled_write_P(PSTR("\n"), false);
        oled_write_P(os_logo[0][1], false);
    } else {
        oled_write_P(os_logo[1][0], false);
        oled_write_P(PSTR("\n"), false);
        oled_write_P(os_logo[1][1], false);
    }

    oled_write_P(PSTR(" Layer: "), false);
    switch (get_highest_layer(layer_state)) {
        case 0:
            oled_write_ln_P(PSTR("Default"), false);
            break;
        case 1:
            oled_write_ln_P(PSTR("Lower"), false);
            break;
        case 2:
            oled_write_ln_P(PSTR("Raise"), false);
            break;
        case 3:
            oled_write_ln_P(PSTR("Adjust"), false);
            break;
        default:
            oled_write_ln_P(PSTR("Undefined"), false);
    }
    oled_write_P(PSTR("\n"), false);

    led_t led_state = host_keyboard_led_state();
    oled_write_P(led_state.num_lock ? PSTR("NUM ") : PSTR("    "), false);
    oled_write_P(led_state.caps_lock ? PSTR("CAP ") : PSTR("    "), false);
    oled_write_P(led_state.scroll_lock ? PSTR("SCR ") : PSTR("    "), false);
}

static void render_logo(void) {
    static const char PROGMEM qmk_logo[] = {
        // clang-format off
        0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94,
        0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0xB2, 0xB3, 0xB4,
        0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0x00
        // clang-format on
    };
    oled_write_P(qmk_logo, false);
}

static void render_rgb_matrix_status(void) {
    oled_write_P(PSTR(" LED"), false);
    oled_write(get_u8_str(rgb_matrix_get_mode(), ' '), false);
    oled_write_char(':', false);
    oled_write(get_u8_str(rgb_matrix_get_hue() / RGB_MATRIX_HUE_STEP, ' '), false);
    oled_write_char(',', false);
    oled_write(get_u8_str(rgb_matrix_get_sat() / RGB_MATRIX_SAT_STEP, ' '), false);
    oled_write_char(',', false);
    oled_write(get_u8_str(rgb_matrix_get_val() / RGB_MATRIX_VAL_STEP, ' '), false);
}

bool oled_task_kb(void) {
    if (!oled_task_user()) {
        return false;
    }
    if (is_keyboard_master()) {
        render_status();
    } else {
        render_logo();
        render_rgb_matrix_status();
    }
    return false;
}
#endif