keychron_qmk_firmware/users/drashna/drashna.c

/* Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "drashna.h"

userspace_config_t userspace_config;

bool mod_key_press_timer(uint16_t code, uint16_t mod_code, bool pressed) {
    static uint16_t this_timer;
    if (pressed) {
        this_timer = timer_read();
    } else {
        if (timer_elapsed(this_timer) < TAPPING_TERM) {
            tap_code(code);
        } else {
            register_code(mod_code);
            tap_code(code);
            unregister_code(mod_code);
        }
    }
    return false;
}

bool mod_key_press(uint16_t code, uint16_t mod_code, bool pressed, uint16_t this_timer) {
    if (pressed) {
        this_timer = timer_read();
    } else {
        if (timer_elapsed(this_timer) < TAPPING_TERM) {
            tap_code(code);
        } else {
            register_code(mod_code);
            tap_code(code);
            unregister_code(mod_code);
        }
    }
    return false;
}

__attribute__((weak)) void keyboard_pre_init_keymap(void) {}

void keyboard_pre_init_user(void) {
    userspace_config.raw = eeconfig_read_user();
    keyboard_pre_init_keymap();
}
// Add reconfigurable functions here, for keymap customization
// This allows for a global, userspace functions, and continued
// customization of the keymap.  Use _keymap instead of _user
// functions in the keymaps
__attribute__((weak)) void matrix_init_keymap(void) {}
__attribute__((weak)) void matrix_init_secret(void) {}

// Call user matrix init, set default RGB colors and then
// call the keymap's init function
void matrix_init_user(void) {
#if defined(BOOTLOADER_CATERINA) && defined(__AVR__)
    DDRD &= ~(1 << 5);
    PORTD &= ~(1 << 5);

    DDRB &= ~(1 << 0);
    PORTB &= ~(1 << 0);
#endif

    matrix_init_secret();
    matrix_init_keymap();
}

__attribute__((weak)) void keyboard_post_init_keymap(void) {}

void keyboard_post_init_user(void) {
#if defined(RGBLIGHT_ENABLE)
    keyboard_post_init_rgb_light();
#endif
#if defined(RGB_MATRIX_ENABLE)
    keyboard_post_init_rgb_matrix();
#endif
#if defined(SPLIT_KEYBOARD) && defined(SPLIT_TRANSACTION_IDS_USER)
    keyboard_post_init_transport_sync();
#endif
    keyboard_post_init_keymap();
}

__attribute__((weak)) void shutdown_keymap(void) {}

#ifdef RGB_MATRIX_ENABLE
void rgb_matrix_update_pwm_buffers(void);
#endif

void shutdown_user(void) {
#ifdef RGBLIGHT_ENABLE
    rgblight_enable_noeeprom();
    rgblight_mode_noeeprom(1);
    rgblight_setrgb_red();
#endif // RGBLIGHT_ENABLE
#ifdef RGB_MATRIX_ENABLE
    rgb_matrix_set_color_all(0xFF, 0x00, 0x00);
    rgb_matrix_update_pwm_buffers();

#endif // RGB_MATRIX_ENABLE
    shutdown_keymap();
}

__attribute__((weak)) void suspend_power_down_keymap(void) {}

void suspend_power_down_user(void) {
#ifdef OLED_DRIVER_ENABLE
    oled_off();
#endif
    suspend_power_down_keymap();
}

__attribute__((weak)) void suspend_wakeup_init_keymap(void) {}

void suspend_wakeup_init_user(void) {
    if (layer_state_is(_GAMEPAD)) { layer_off(_GAMEPAD); }
    if (layer_state_is(_DIABLO)) { layer_off(_DIABLO); }
    suspend_wakeup_init_keymap();
}

__attribute__((weak)) void matrix_scan_keymap(void) {}

__attribute__((weak)) void matrix_scan_secret(void) {}

// No global matrix scan code, so just run keymap's matrix
// scan function
void matrix_scan_user(void) {
    static bool has_ran_yet;
    if (!has_ran_yet) {
        has_ran_yet = true;
        startup_user();
    }

#ifdef TAP_DANCE_ENABLE // Run Diablo 3 macro checking code.
    run_diablo_macro_check();
#endif // TAP_DANCE_ENABLE

#if defined(RGBLIGHT_ENABLE)
    matrix_scan_rgb_light();
#endif // RGBLIGHT_ENABLE
#if defined(RGB_MATRIX_ENABLE)
    matrix_scan_rgb_matrix();
#endif

    matrix_scan_secret();

    matrix_scan_keymap();
}

#ifdef AUDIO_ENABLE
float doom_song[][2] = SONG(E1M1_DOOM);
#endif

__attribute__((weak)) layer_state_t layer_state_set_keymap(layer_state_t state) { return state; }

// on layer change, no matter where the change was initiated
// Then runs keymap's layer change check
layer_state_t layer_state_set_user(layer_state_t state) {
    if (!is_keyboard_master()) { return state; }

    state = layer_state_set_keymap(state);
    state = update_tri_layer_state(state, _RAISE, _LOWER, _ADJUST);
#if defined(RGBLIGHT_ENABLE)
    state = layer_state_set_rgb_light(state);
#endif // RGBLIGHT_ENABLE
#if defined(AUDIO_ENABLE) && !defined(__arm__)
    static bool is_gamepad_on = false;
    if (layer_state_cmp(state, _GAMEPAD) != is_gamepad_on) {
        is_gamepad_on = layer_state_cmp(state, _GAMEPAD);
        if (is_gamepad_on) {
            PLAY_LOOP(doom_song);
        } else {
            stop_all_notes();
        }
    }
#endif
    return state;
}

__attribute__((weak)) layer_state_t default_layer_state_set_keymap(layer_state_t state) { return state; }

// Runs state check and changes underglow color and animation
layer_state_t default_layer_state_set_user(layer_state_t state) {
    if (!is_keyboard_master()) { return state; }

    state = default_layer_state_set_keymap(state);
#if 0
#    if defined(RGBLIGHT_ENABLE) || defined(RGB_MATRIX_ENABLE)
  state = default_layer_state_set_rgb(state);
#    endif // RGBLIGHT_ENABLE
#endif
    return state;
}

__attribute__((weak)) void led_set_keymap(uint8_t usb_led) {}

// Any custom LED code goes here.
// So far, I only have keyboard specific code,
// So nothing goes here.
void led_set_user(uint8_t usb_led) { led_set_keymap(usb_led); }

__attribute__((weak)) void eeconfig_init_keymap(void) {}

void eeconfig_init_user(void) {
    userspace_config.raw              = 0;
    userspace_config.rgb_layer_change = true;
    eeconfig_update_user(userspace_config.raw);
    eeconfig_init_keymap();
#ifdef VIA_ENABLE
    via_eeprom_reset();
#endif
    keyboard_init();
}

bool hasAllBitsInMask(uint8_t value, uint8_t mask) {
    value &= 0xF;
    mask &= 0xF;

    return (value & mask) == mask;
}