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path: root/keyboards/jagdpietr/drakon/drakon.c
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/* Copyright 2020 jagdpietr
 *
 * 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 "drakon.h"

char wpm_str[10];

#ifdef OLED_ENABLE

// Defines names for use in layer keycodes and the keymap
enum Layer_names {
_Base,
_FN,
_Lyr2
};

oled_rotation_t oled_init_kb(oled_rotation_t rotation) {
    return OLED_ROTATION_90;
}

static void render_status(void) {
    //Host Keyboard Layer Status
    oled_set_cursor(0,10);
    oled_write_P(PSTR("Lyr: "), false);

    switch (get_highest_layer(layer_state)) {
        case _Base:
            oled_write_P(PSTR("Base\n"), false);
            break;
        case _FN:
            oled_write_P(PSTR("FN\n"), false);
            break;
        case _Lyr2:
            oled_write_P(PSTR("Lyr2\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_set_cursor(0,12);
    oled_write_P(led_state.caps_lock ? PSTR("CAP ") : PSTR("    "), false);

}

// WPM-responsive animation stuff here
#define IDLE_FRAMES 5
#define IDLE_SPEED 40 // below this wpm value your animation will idle

// #define PREP_FRAMES 1 // uncomment if >1

#define TAP_FRAMES 2
#define TAP_SPEED 60 // above this wpm value typing animation to triggere

#define ANIM_FRAME_DURATION 200 // how long each frame lasts in ms
// #define SLEEP_TIMER 60000 // should sleep after this period of 0 wpm, needs fixing
#define ANIM_SIZE 128 // number of bytes in array, minimize for adequate firmware size, max is 1024

uint32_t anim_timer = 0;
uint32_t anim_sleep = 0;
uint8_t current_idle_frame = 0;
// uint8_t current_prep_frame = 0; // uncomment if PREP_FRAMES >1
uint8_t current_tap_frame = 0;

// Images credit j-inc(/James Incandenza) and pixelbenny. Credit to obosob for initial animation approach.
static void render_anim(void) {
    static const char PROGMEM idle[IDLE_FRAMES][ANIM_SIZE] = {
        {
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xc0, 0x60, 0x30, 0x18, 0x60,
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        0xc0, 0x80, 0x88, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x73, 0xc0, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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        },
        {
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        },
        {
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        0xc0, 0x80, 0x88, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x73, 0xc0, 0x00, 0x00,
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        },
        {
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00,
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        },
        {
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xc0, 0x60, 0x30, 0x18, 0x60,
        0xc0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0xc0, 0x20, 0x10, 0x0c, 0x06, 0x03, 0x81, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x01, 0x01, 0x03, 0x06, 0x04, 0x0c, 0x18, 0x10, 0x18, 0x08, 0xf8, 0x00, 0x00, 0x00,
        0x00, 0x3e, 0x23, 0x20, 0x20, 0x20, 0x30, 0x10, 0x10, 0x10, 0x30, 0x21, 0x21, 0x63, 0x43, 0x42,
        0xc0, 0x80, 0x88, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x73, 0xc0, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x05, 0x08, 0x08, 0x08, 0x08, 0x04, 0x04, 0x06, 0x04, 0x0c, 0x08, 0x0b, 0x08, 0x00
        }
    };
    static const char PROGMEM prep[][ANIM_SIZE] = {
        {
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0x40, 0x30, 0x18, 0x0c, 0x38,
        0x60, 0xc0, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0xf8, 0x18, 0x0c, 0x0c, 0x38, 0x0c, 0x06, 0x03, 0x01, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x01, 0x03, 0x02, 0x06, 0x04, 0x08, 0x18, 0x30, 0x18, 0x18, 0xf8, 0x00, 0x00,
        0x00, 0x07, 0x0c, 0x18, 0x18, 0x10, 0x10, 0x10, 0x20, 0x60, 0x61, 0x41, 0x42, 0xc2, 0x86, 0x84,
        0x80, 0x00, 0x00, 0x18, 0x10, 0xfc, 0x02, 0x02, 0x04, 0x1c, 0x00, 0x00, 0x3e, 0xe1, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
        0x01, 0x03, 0x03, 0x02, 0x06, 0x07, 0x06, 0x0c, 0x0c, 0x0c, 0x10, 0x10, 0x30, 0x20, 0x3f, 0x00
        }
    };
    static const char PROGMEM tap[TAP_FRAMES][ANIM_SIZE] = {
        {
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0x40, 0x30, 0x18, 0x0c, 0x38,
        0x60, 0xc0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0xfe, 0xfe, 0x80, 0xc0, 0x60, 0x18, 0x0c, 0x02, 0x01, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x01, 0x01, 0x03, 0x06, 0x04, 0x08, 0x10, 0x10, 0x18, 0x08, 0xfc, 0x00, 0x00,
        0xf9, 0xff, 0xe3, 0xe0, 0xc0, 0x40, 0x60, 0x20, 0x20, 0x60, 0x41, 0x40, 0xc3, 0x82, 0x86, 0x04,
        0x00, 0x00, 0x00, 0x18, 0x18, 0xfc, 0x06, 0x06, 0x04, 0x38, 0x00, 0x00, 0x1c, 0xe7, 0x00, 0x00,
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        0x01, 0x03, 0x02, 0x02, 0x06, 0x07, 0x04, 0x0c, 0x08, 0x08, 0x18, 0x10, 0x30, 0x21, 0x3f, 0x38
        },
        {
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        0xe0, 0xf8, 0x04, 0x04, 0x0c, 0x3c, 0x06, 0x03, 0x01, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
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        0x03, 0x07, 0x04, 0x0c, 0x08, 0x08, 0x18, 0x10, 0x10, 0x30, 0x20, 0x20, 0x61, 0x43, 0x43, 0xc2,
        0x80, 0x80, 0x80, 0x8c, 0x80, 0x00, 0x00, 0xe0, 0xf8, 0x7e, 0x3f, 0x1f, 0x1f, 0x7d, 0x80, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0xe0, 0xe0, 0xe0, 0xf0, 0xf0, 0x70,
        0x30, 0x38, 0x19, 0x0f, 0x1e, 0x1c, 0x79, 0xf8, 0xe8, 0xc4, 0x84, 0x08, 0x08, 0x18, 0x1f, 0x1c
        },
    };

    //assumes 1 frame prep stage
    void animation_phase(void) {
        if(get_current_wpm() <=IDLE_SPEED){
            current_idle_frame = (current_idle_frame + 1) % IDLE_FRAMES;
            oled_write_raw_P(idle[abs((IDLE_FRAMES-1)-current_idle_frame)], ANIM_SIZE);
         }
         if(get_current_wpm() >IDLE_SPEED && get_current_wpm() <TAP_SPEED){
             // oled_write_raw_P(prep[abs((PREP_FRAMES-1)-current_prep_frame)], ANIM_SIZE); // uncomment if IDLE_FRAMES >1
             oled_write_raw_P(prep[0], ANIM_SIZE);  // remove if IDLE_FRAMES >1
         }
         if(get_current_wpm() >=TAP_SPEED){
             current_tap_frame = (current_tap_frame + 1) % TAP_FRAMES;
             oled_write_raw_P(tap[abs((TAP_FRAMES-1)-current_tap_frame)], ANIM_SIZE);
         }
    }
    if(get_current_wpm() != 000) {
        oled_on(); // not essential but turns on animation OLED with any alpha keypress
        if(timer_elapsed32(anim_timer) > ANIM_FRAME_DURATION) {
            anim_timer = timer_read32();
            animation_phase();
        }
        anim_sleep = timer_read32();
    } else {
        if(timer_elapsed32(anim_sleep) > OLED_TIMEOUT) {
            oled_off();
        } else {
            if(timer_elapsed32(anim_timer) > ANIM_FRAME_DURATION) {
                anim_timer = timer_read32();
                animation_phase();
            }
        }
    }
}

bool oled_task_kb(void) {
    if (!oled_task_user()) {
        return false;
    }

        render_anim();
        oled_set_cursor(0,6);
        sprintf(wpm_str, "       WPM: %03d", get_current_wpm());
        oled_set_cursor(0,5);
        oled_write(wpm_str, false);

        render_status();

    return false;
    }

#endif