Isokheir/oled.c

#pragma once

#include <stdio.h>
#include <transactions.h>
char wpm_str[10];

uint32_t anim_timer = 0;
uint8_t current_idle_frame = 0;
uint8_t current_tap_frame = 0;

char is_slave_connected = 0;

oled_rotation_t oled_init_user(oled_rotation_t rotation) {
  return OLED_ROTATION_270;
}

#define L_BASE 0
#define L_LOWER 2
#define L_RAISE 4
#define L_ADJUST 8

#define IDLE_FRAMES 5
#define IDLE_SPEED 20
#define TAP_SPEED_SLOW 40
#define TAP_SPEED_HALF 60
#define TAP_SPEED_FAST 80
#define TAP_FRAMES 2
#define ANIM_SIZE 256
#define ANIM_FRAME_DURATION 250
#define ANIM_TAP_SLOW 400
#define ANIM_TAP_HALF 300
#define ANIM_TAP_FAST 200

typedef struct _master_to_slave_t {
    int m2s_data;
} master_to_slave_t;

typedef struct _slave_to_master_t {
    int s2m_data;
} slave_to_master_t;

void oled_render_layer_state(void) {
    oled_write_P(PSTR("Layer: "), false);
    switch (layer_state) {
        case L_BASE:
            oled_write_ln_P(PSTR("Default"), false);
            break;
        case L_LOWER:
            oled_write_ln_P(PSTR("Lower"), false);
            break;
        case L_RAISE:
            oled_write_ln_P(PSTR("Raise"), false);
            break;
        case L_ADJUST:
        case L_ADJUST|L_LOWER:
        case L_ADJUST|L_RAISE:
        case L_ADJUST|L_LOWER|L_RAISE:
            oled_write_ln_P(PSTR("Adjust"), false);
            break;
    }
}


char keylog_str[24] = {};

const char code_to_name[60] = {
    ' ', ' ', ' ', ' ', 'a', 'b', 'c', 'd', 'e', 'f',
    'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
    'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
    '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
    'R', 'E', 'B', 'T', '_', '-', '=', '[', ']', '\\',
    '#', ';', '\'', '`', ',', '.', '/', ' ', ' ', ' '};

void set_keylog(uint16_t keycode, keyrecord_t *record) {
  char name = ' ';
    if ((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) ||
        (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)) { keycode = keycode & 0xFF; }
  if (keycode < 60) {
    name = code_to_name[keycode];
  }

  // update keylog
  snprintf(keylog_str, sizeof(keylog_str), "%dx%d, k%2d : %c",
           record->event.key.row, record->event.key.col,
           keycode, name);
}

void oled_render_keylog(void) {
    oled_write(keylog_str, false);
}

void oled_render_wpm(void) {
    sprintf(wpm_str, "%3d", get_current_wpm());
    oled_write(wpm_str, false);
}

void oled_render_logo(void) {
    static const char PROGMEM crkbd_logo[] = {
        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,
        0};
    oled_write_P(crkbd_logo, false);
}

static void oled_render_bongo(void) {
    static const char PROGMEM bongo_idle[IDLE_FRAMES][ANIM_SIZE] = {
        {0,  0,128,128,192,192,192,192,224,240,248,248,248,248,252,252,252,252,254,254,254,252,240,224,192,128,  0,  0,  0,  0,  0,  0,  0,128,225,247,255,255,255,255,223,223,223,243,243,255,127,119,111,111, 55, 51, 60, 60, 63, 27, 59, 59,127,126,124,120, 56,  0},
        {0,  0,128,128,128,128,192,192,192,224,224,240,240,240,240,248,248,252,254,254,254,240,224,192,128,  0,  0,  0,  0,  0,  0,  0,  0,  0,129,231,255,255,255,255,255,191,191,167,231,255,127,111, 95, 95, 47, 39, 57, 57, 63, 23, 55, 55,126,124,120,120, 48,  0},
        {0,  0,  0,  0,  0,  0,128,128,128,192,192,192,224,224,240,240,240,248,252,252,254,240,224,192,128,  0,  0,  0,  0,  0,  0,  0,  0,  0,129,231,255,255,255,255,255,191,191,167,231,255,255,239,223,223,239,103,121,121, 63, 23, 55, 55,126,124,120,120, 48,  0},
        {0,  0,  0,128,128,128,192,192,192,192,224,224,224,240,240,240,248,252,252,254,254,240,240,224,192,128,  0,  0,  0,  0,  0,  0,  0,  0,129,231,255,255,255,255,255,191,191,179,243,255,239,223,223,239,239,119,124,124, 63, 23, 55, 55,127,126,120,120, 48,  0},
        {0,  0,  0,128,128,192,192,192,224,224,224,240,240,248,248,248,248,252,254,254,254,240,240,224,192,128,  0,  0,  0,  0,  0,  0,  0,128,193,231,255,255,255,255,255,223,223,211,243,255,255,247,239,111,119,115,124, 60, 63, 27, 59, 59,127,126,124,120, 48,  0}
    };
    static const char PROGMEM bongo_prep[ANIM_SIZE] = {
        0,  0,128,128,192,192,192,192,224,240,248,248,248,248,252,252,252,252,254,254,254,252,240,224,192,  0,128,192, 64,192,128,  0,  0,128,225,247,223,239,183,215,183,239,159,243,243,255,127,119,111,111, 55, 51, 60, 60, 31, 27, 27, 27, 15, 14, 15,  6,  7,  0
    };
    static const char PROGMEM bongo_tap[TAP_FRAMES][ANIM_SIZE] = {
        {0,  0,128,128,192,192,192,192,224,240,248,248,248,248,252,252,252,252,254,254,254,252,240,224,192,128,  0,  0,  0,  0,  0,  0,  0,128,225,247,223,239,183,215,183,239,159,243,243,255,127,119,111,111, 55, 51, 60, 60, 63, 27, 59, 59,127,254,252,248,112,  0},
        {0,  0,128,128,192,192,192,192,224,240,248,248,248,248,252,252,252,252,254,254,254,252,240,224,192,  0,128,192, 64,192,128,  0,  0,128,225,247,255,255,255,255,255,255,255,243,243,255,127,119,111,111, 55, 51, 60, 60, 31, 27, 27, 27, 15, 14, 15,  6,  7,  0}
    };

    void animation_idle_phase(void) {
        if(get_current_wpm() <= IDLE_SPEED) {
            current_idle_frame = (current_idle_frame + 1) % IDLE_FRAMES;
            oled_write_raw_P(bongo_idle[abs((IDLE_FRAMES - 1) - current_idle_frame)], ANIM_SIZE);
            return;
        }

        if(get_current_wpm() > IDLE_SPEED && get_current_wpm() < TAP_SPEED_SLOW) {
            oled_write_raw_P(bongo_prep, ANIM_SIZE);
            return;
        }
    }

    void animation_tap_phase(void) {
        if(get_current_wpm() > TAP_SPEED_FAST && timer_elapsed32(anim_timer) > ANIM_TAP_FAST) {
            anim_timer = timer_read32();
            current_tap_frame = (current_tap_frame + 1) % TAP_FRAMES;
            oled_write_raw_P(bongo_tap[abs((TAP_FRAMES - 1) - current_tap_frame)], ANIM_SIZE);
            return;
        }

        if(get_current_wpm() > TAP_SPEED_HALF && timer_elapsed32(anim_timer) > ANIM_TAP_HALF) {
            anim_timer = timer_read32();
            current_tap_frame = (current_tap_frame + 1) % TAP_FRAMES;
            oled_write_raw_P(bongo_tap[abs((TAP_FRAMES - 1) - current_tap_frame)], ANIM_SIZE);
            return;
        }

        if(get_current_wpm() > TAP_SPEED_SLOW && timer_elapsed32(anim_timer) > ANIM_TAP_SLOW) {
            anim_timer = timer_read32();
            current_tap_frame = (current_tap_frame + 1) % TAP_FRAMES;
            oled_write_raw_P(bongo_tap[abs((TAP_FRAMES - 1) - current_tap_frame)], ANIM_SIZE);
            return;
        }
    }

    if(get_current_wpm() > TAP_SPEED_SLOW) {
        animation_tap_phase();
    } else {
        if(timer_elapsed32(anim_timer) > ANIM_FRAME_DURATION) {
            anim_timer = timer_read32();
            animation_idle_phase();
        }
    }
}

static void oled_render_split_status(void) {
    static const char PROGMEM kb_status[2][64] = {
        {0,192, 64, 64,192, 64, 64,192, 96,112,200,136,132,132,  4,  4,  4,196, 68, 68,232, 48, 48,224, 32, 32,224, 32, 32,224,  0,  0,  0, 31, 18, 18, 31, 18, 18, 31, 18, 18, 63, 36, 36, 63,  0,  0,  0, 31, 18, 18, 31,  9,  9, 15,  9,  9, 15,  9,  9, 15,  0,  0},
        {0,192, 64, 64,192, 64, 64,192, 96,112,200,136,132,132,  0,  4,  4,  0,  4, 64,136,  0,  0,  0,128, 64,  0,  0,  0,  0,  0,  0,  0, 31, 18, 18, 31, 18, 18, 31, 18, 18, 63, 36, 36, 63,  0,  0,  0,  0,  0, 16,  8,  5,  2,  5,  8, 16,  0,  0,  0,  0,  0,  0}
    };
    
    if(is_slave_connected) {
        oled_write_raw_P(kb_status[0], sizeof(kb_status[0]));
    } else {
        oled_write_raw_P(kb_status[1], sizeof(kb_status[1]));
    }
}

void oled_render_layer_status(void) {
    oled_write_ln_P(PSTR("A"), true);
    //switch (layer_state) {
    //    case L_BASE:
    //        oled_write_ln_P(PSTR("Default"), false);
    //        break;
    //    case L_LOWER:
    //        oled_write_ln_P(PSTR("Lower"), false);
    //        break;
    //    case L_RAISE:
    //        oled_write_ln_P(PSTR("Raise"), false);
    //        break;
    //    case L_ADJUST:
    //    case L_ADJUST|L_LOWER:
    //    case L_ADJUST|L_RAISE:
    //    case L_ADJUST|L_LOWER|L_RAISE:
    //        oled_write_ln_P(PSTR("Adjust"), false);
    //        break;
    //}
}

static void oled_render_dashboard(void) {
    oled_render_split_status();
    //oled_render_layer_status();
}

bool oled_task_user(void) {
    if (is_keyboard_master()) {
        //oled_render_layer_state();
        //oled_render_keylog();
        oled_render_dashboard();
    } else {
        oled_render_bongo();
        oled_set_cursor(0, 4);
        oled_render_wpm();
    }
    return false;
}

void user_sync_a_slave_handler(uint8_t in_buflen, const void* in_data, uint8_t out_buflen, void* out_data) {
    const master_to_slave_t *m2s = (const master_to_slave_t*)in_data;
    slave_to_master_t *s2m = (slave_to_master_t*)out_data;
    s2m->s2m_data = m2s->m2s_data + 5; // whatever comes in, add 5 so it can be sent back
}

void keyboard_post_init_user(void) {
    transaction_register_rpc(USER_SYNC_A, user_sync_a_slave_handler);
}

void housekeeping_task_user(void) {
    if (is_keyboard_master()) {
        // Interact with slave every 500ms
        static uint32_t last_sync = 0;
        if (timer_elapsed32(last_sync) > 500) {
            master_to_slave_t m2s = {6};
            slave_to_master_t s2m = {0};
            if(transaction_rpc_exec(USER_SYNC_A, sizeof(m2s), &m2s, sizeof(s2m), &s2m)) {
                last_sync = timer_read32();
                is_slave_connected = 1;
            } else {
                is_slave_connected = 0;
            }
        }
    }
}