Momentum-Apps/views/trade.cpp

#include "../pokemon_app.h"
#include "trade.hpp"

#include "../pokemon_data.h"

uint8_t out_data = 0;
uint8_t in_data = 0;
uint8_t shift = 0;
uint32_t time = 0;
volatile int counter = 0;
volatile bool procesing = true;
volatile connection_state_t connection_state = NOT_CONNECTED;
volatile trade_centre_state_t trade_centre_state = INIT;

void screen_gameboy_connect(Canvas* const canvas) {
    canvas_draw_frame(canvas, 0, 0, 128, 64);
    canvas_draw_icon(canvas, 1, 21, &I_Connect_me_62x31);
    canvas_draw_icon(canvas, 0, 53, &I_Background_128x11);
    canvas_draw_icon(canvas, 80, 0, &I_game_boy);
    canvas_draw_icon(canvas, 8, 2, &I_Space_65x18);
    canvas_draw_str(canvas, 18, 13, "Connect GB");
}
void screen_gameboy_connected(Canvas* const canvas) {
    canvas_draw_frame(canvas, 0, 0, 128, 64);
    canvas_draw_icon(canvas, 1, 21, &I_Connected_62x31);
    canvas_draw_icon(canvas, 0, 53, &I_Background_128x11);
    canvas_draw_icon(canvas, 80, 0, &I_game_boy);
    canvas_draw_icon(canvas, 8, 2, &I_Space_65x18);
    canvas_draw_str(canvas, 18, 13, "Connected!");
}

int time_in_seconds = 0;

static void trade_draw_callback(Canvas* canvas, void* context) {
    canvas_clear(canvas);
    SelectPokemonModel* model = (SelectPokemonModel*)context;

    if(!model->trading) {
        if(!model->connected) {
            furi_hal_light_set(LightGreen, 0x00);
            furi_hal_light_set(LightBlue, 0x00);
            furi_hal_light_set(LightRed, 0xff);
            screen_gameboy_connect(canvas);
        } else if(model->connected) {
            furi_hal_light_set(LightGreen, 0xff);
            furi_hal_light_set(LightBlue, 0x00);
            furi_hal_light_set(LightRed, 0x00);
            screen_gameboy_connected(canvas);
        }
    } else {
        if(model->gameboy_status == GAMEBOY_TRADING) {
            furi_hal_light_set(LightGreen, 0x00);
            furi_hal_light_set(LightRed, 0x00);
            if(time_in_seconds % 2 == 1) {
                furi_hal_light_set(LightBlue, 0xff);
                canvas_draw_icon(canvas, 0, 0, &I_gb_step_1);
            } else {
                furi_hal_light_set(LightBlue, 0x00);
                canvas_draw_icon(canvas, 0, 0, &I_gb_step_2);
            }
        } else if(
            model->gameboy_status == GAMEBOY_READY || model->gameboy_status == GAMEBOY_WAITING ||
            model->gameboy_status == GAMEBOY_SEND) {
            canvas_draw_icon(canvas, 38, 11, pokemon_table[model->current_pokemon].icon);
        }
        canvas_draw_icon(canvas, 0, 53, &I_Background_128x11);

        canvas_draw_frame(canvas, 0, 0, 128, 64);
        canvas_draw_icon(canvas, 24, 0, &I_Space_80x18);

        const char* gameboy_status_text = "INITIAL";
        if(model->gameboy_status == GAMEBOY_READY) {
            gameboy_status_text = "READY";
        } else if(model->gameboy_status == GAMEBOY_WAITING) {
            gameboy_status_text = "WAITING";
        } else if(model->gameboy_status == GAMEBOY_TRADE_READY) {
            gameboy_status_text = "READY";
        } else if(model->gameboy_status == GAMEBOY_SEND) {
            gameboy_status_text = "DEAL...";
        } else if(model->gameboy_status == GAMEBOY_PENDING) {
            gameboy_status_text = "PENDING...";
        } else if(model->gameboy_status == GAMEBOY_TRADING) {
            gameboy_status_text = "TRADING...";
        }

        canvas_draw_str(canvas, 48, 12, gameboy_status_text);

        canvas_draw_icon(canvas, 27, 1, &I_red_16x15);

        time_in_seconds = (int)DWT->CYCCNT / (72000000.0f / 4); //  250ms
    }
}

static bool trade_input_callback(InputEvent* event, void* context) {
    furi_assert(context);
    Trade* trade = (Trade*)context;
    bool consumed = false;

    if(event->type == InputTypePress && event->key == InputKeyBack) {
        view_dispatcher_switch_to_view(trade->app->view_dispatcher, AppViewSelectPokemon);
        consumed = true;
    }

    return consumed;
}

uint32_t micros() {
    return DWT->CYCCNT / 64;
}
byte getConnectResponse(byte in) {
    if(in == PKMN_CONNECTED) {
        connection_state = CONNECTED;
        return PKMN_CONNECTED;
    }

    if(in == PKMN_MASTER) {
        return PKMN_SLAVE;
    }

    if(in == PKMN_BLANK) {
        return PKMN_BLANK;
    }

    connection_state = NOT_CONNECTED;
    return PKMN_BREAK_LINK;
}
byte getMenuResponse(byte in) {
    byte response = 0x00;
    if(in == PKMN_CONNECTED) {
        response = PKMN_CONNECTED;
    } else if(in == PKMN_TRADE_CENTRE) {
        connection_state = TRADE_CENTRE;
    } else if(in == PKMN_COLOSSEUM) {
        connection_state = COLOSSEUM;
    } else if(in == PKMN_BREAK_LINK || in == PKMN_MASTER) {
        connection_state = NOT_CONNECTED;
        response = PKMN_BREAK_LINK;
    } else {
        response = in;
    }
    return response;
}

byte getTradeCentreResponse(byte in, void* context) {
    UNUSED(context);
    Trade* trade = (Trade*)context;
    byte send = 0x00;
    if(trade_centre_state == INIT && in == 0x00) {
        if(counter++ == 5) {
            trade_centre_state = READY_TO_GO;
            //  CLICK EN LA MESA
            with_view_model_cpp(
                trade->view,
                SelectPokemonModel*,
                model,
                { model->gameboy_status = GAMEBOY_READY; },
                false);
        }
        send = in;
    } else if(trade_centre_state == READY_TO_GO && (in & 0xF0) == 0xF0) {
        trade_centre_state = SEEN_FIRST_WAIT;
        send = in;
    } else if(trade_centre_state == SEEN_FIRST_WAIT && (in & 0xF0) != 0xF0) {
        send = in;
        counter = 0;
        trade_centre_state = SENDING_RANDOM_DATA;
    } else if(trade_centre_state == SENDING_RANDOM_DATA && (in & 0xF0) == 0xF0) {
        if(counter++ == 5) {
            trade_centre_state = WAITING_TO_SEND_DATA;

            with_view_model_cpp(
                trade->view,
                SelectPokemonModel*,
                model,
                { model->gameboy_status = GAMEBOY_WAITING; },
                false);
        }
        send = in;
    } else if(trade_centre_state == WAITING_TO_SEND_DATA && (in & 0xF0) != 0xF0) {
        counter = 0;
        INPUT_BLOCK[counter] = in;
        send = DATA_BLOCK[counter++];
        trade_centre_state = SENDING_DATA;
    } else if(trade_centre_state == SENDING_DATA) {
        INPUT_BLOCK[counter] = in;
        send = DATA_BLOCK[counter++];
        if(counter == 405) {
            trade_centre_state = SENDING_PATCH_DATA;
        }
    } else if(trade_centre_state == SENDING_PATCH_DATA && in == 0xFD) {
        counter = 0;
        send = 0xFD;
    } else if(trade_centre_state == SENDING_PATCH_DATA && in != 0xFD) {
        send = in;
        counter++;
        if(counter == 197) {
            trade_centre_state = TRADE_PENDING;
        }
    } else if(trade_centre_state == TRADE_PENDING && (in & 0x60) == 0x60) {
        if(in == 0x6f) {
            trade_centre_state = READY_TO_GO;
            send = 0x6f;
            with_view_model_cpp(
                trade->view,
                SelectPokemonModel*,
                model,
                { model->gameboy_status = GAMEBOY_TRADE_READY; },
                false);

        } else {
            send = 0x60; // first pokemon
            with_view_model_cpp(
                trade->view,
                SelectPokemonModel*,
                model,
                { model->gameboy_status = GAMEBOY_SEND; },
                false);
        }
    } else if(trade_centre_state == TRADE_PENDING && in == 0x00) {
        send = 0;
        trade_centre_state = TRADE_CONFIRMATION;

    } else if(trade_centre_state == TRADE_CONFIRMATION && (in & 0x60) == 0x60) {
        send = in;
        if(in == 0x61) {
            trade_centre_state = TRADE_PENDING;
            with_view_model_cpp(
                trade->view,
                SelectPokemonModel*,
                model,
                { model->gameboy_status = GAMEBOY_PENDING; },
                false);
        } else {
            trade_centre_state = DONE;
        }
    } else if(trade_centre_state == DONE && in == 0x00) {
        send = 0;
        trade_centre_state = INIT;
        with_view_model_cpp(
            trade->view,
            SelectPokemonModel*,
            model,
            { model->gameboy_status = GAMEBOY_TRADING; },
            false);
    } else {
        send = in;
    }

    return send;
}

void transferBit(void* context) {
    Trade* trade = (Trade*)context;

    byte raw_data = furi_hal_gpio_read(&GAME_BOY_SI);
    in_data |= raw_data << (7 - shift);
    if(++shift > 7) {
        shift = 0;
        if(connection_state == NOT_CONNECTED) {
            with_view_model_cpp(
                trade->view, SelectPokemonModel*, model, { model->connected = false; }, true);
            out_data = getConnectResponse(in_data);
        } else if(connection_state == CONNECTED) {
            with_view_model_cpp(
                trade->view, SelectPokemonModel*, model, { model->connected = true; }, true);
            out_data = getMenuResponse(in_data);
        } else if(connection_state == TRADE_CENTRE) {
            out_data = getTradeCentreResponse(in_data, trade);

        } else {
            out_data = in_data;
        }

        in_data = 0;
    }
    while(procesing && !furi_hal_gpio_read(&GAME_BOY_CLK))
        ;
    furi_hal_gpio_write(&GAME_BOY_SO, out_data & 0x80 ? true : false);
    furi_delay_us(
        DELAY_MICROSECONDS); // Wait 20-60us ... 120us max (in slave mode is not necessary)

    if(trade_centre_state == READY_TO_GO) {
        with_view_model_cpp(
            trade->view, SelectPokemonModel*, model, { model->trading = true; }, true);
    }
    out_data = out_data << 1;
}
void input_clk_gameboy(void* context) {
    furi_assert(context);
    if(time > 0) {
        //  if there is no response from the master in 120 microseconds, the counters are reset
        if(micros() - time > 120) {
            //  IDLE & Reset
            in_data = 0;
            shift = 0;
        }
    }

    transferBit(context);
    time = micros();
}
unsigned char convertCharToTagHex(char c) {
    switch (c) {
        case 'A': return A_;
        case 'B': return B_;
        case 'C': return C_;
        case 'D': return D_;
        case 'E': return E_;
        case 'F': return F_;
        case 'G': return G_;
        case 'H': return H_;
        case 'I': return I_;
        case 'J': return J_;
        case 'K': return K_;
        case 'L': return L_;
        case 'M': return M_;
        case 'N': return N_;
        case 'O': return O_;
        case 'P': return P_;
        case 'Q': return Q_;
        case 'R': return R_;
        case 'S': return S_;
        case 'T': return T_;
        case 'U': return U_;
        case 'V': return V_;
        case 'W': return W_;
        case 'X': return X_;
        case 'Y': return Y_;
        case 'Z': return Z_;
        case 'a': return A_;
        case 'b': return B_;
        case 'c': return C_;
        case 'd': return D_;
        case 'e': return E_;
        case 'f': return F_;
        case 'g': return G_;
        case 'h': return H_;
        case 'i': return I_;
        case 'j': return J_;
        case 'k': return K_;
        case 'l': return L_;
        case 'm': return M_;
        case 'n': return N_;
        case 'o': return O_;
        case 'p': return P_;
        case 'q': return Q_;
        case 'r': return R_;
        case 's': return S_;
        case 't': return T_;
        case 'u': return U_;
        case 'v': return V_;
        case 'w': return W_;
        case 'x': return X_;
        case 'y': return Y_;
        case 'z': return Z_;
        case ' ': return SPACE_;
        case '.': return PERIOD_;
        case '\'': return S_QUOTE_;
        case '♂': return MALE_;
        case '♀': return FEMALE_;
        default:  return 0x00;
    }

}
void trade_enter_callback(void* context) {
    furi_assert(context);
    Trade* trade = (Trade*)context;
    with_view_model_cpp(
        trade->view,
        SelectPokemonModel*,
        model,
        {
            model->current_pokemon = trade->app->current_pokemon;
            model->pokemon_hex_code = trade->app->pokemon_hex_code;
            model->current_level = trade->app->current_level;
            model->current_move = trade->app->current_move;
            model->move1_hex_code = trade->app->move1_hex_code;
            model->move2_hex_code = trade->app->move2_hex_code;
            model->move3_hex_code = trade->app->move3_hex_code;
            model->move4_hex_code = trade->app->move4_hex_code;
            model->trading = false;
            model->connected = false;
            model->gameboy_status = GAMEBOY_INITIAL;
        },
        true);

    FURI_LOG_D(TAG, "[Trade] Current Pokemon: %d", trade->app->current_pokemon);
    
    // Set the Pokemon name
    
    unsigned char nickname[11];
    for (size_t i = 0; i < 11; ++i) {
        nickname[i] = 0x00;
    }
    for (size_t i = 0; i < strlen(pokemon_table[trade->app->current_pokemon].name); ++i) {
        nickname[i] = convertCharToTagHex(pokemon_table[trade->app->current_pokemon].name[i]);
    }
    for (size_t i = 0; i < 11; ++i) {
        if(nickname[i] == 0x00) {
            nickname[i] = 0x50;
        }
        break;
    }

    memcpy(DATA_BLOCK2.nickname[0].str, nickname, sizeof(nickname));

    FURI_LOG_D(TAG, "[Trade] Pokemon Name: %s", nickname);

    // Set the Pokemon hex code

    DATA_BLOCK[12] = trade->app->pokemon_hex_code;

    FURI_LOG_D(TAG, "[Trade] Pokemon Hex Code: %x", trade->app->pokemon_hex_code);

    // Set the Pokemon level

    FURI_LOG_D(TAG, "[Trade] Current Level: %d", trade->app->current_level);

    int level = trade->app->current_level;
    DATA_BLOCK2.party[0].level = level & 0xFF;
    DATA_BLOCK2.party[0].level_again = level & 0xFF;

    FURI_LOG_D(TAG, "[Trade] Level Hex Code: %x", DATA_BLOCK2.party[0].level);

    // Set the Pokemon experience

    int exp = 0;
    if(pokemon_table[trade->app->current_pokemon].xp_group == 0) {
        exp = 1.25 * level * level * level;
    } else if(pokemon_table[trade->app->current_pokemon].xp_group == 1) {
        exp = (1.2 * level * level * level) - (15 * level * level) + (100 * level) - 140;
    } else if(pokemon_table[trade->app->current_pokemon].xp_group == 2) {
        exp = level * level * level;
    } else if(pokemon_table[trade->app->current_pokemon].xp_group == 3) {
        exp = 0.8 * level * level * level;
    }
    DATA_BLOCK2.party[0].exp[0] = (exp >> 16) & 0xFF;
    DATA_BLOCK2.party[0].exp[1] = (exp >> 8) & 0xFF;
    DATA_BLOCK2.party[0].exp[2] = exp & 0xFF;

    FURI_LOG_D(TAG, "[Trade] XP 1: %x", DATA_BLOCK2.party[0].exp[0]);
    FURI_LOG_D(TAG, "[Trade] XP 2: %x", DATA_BLOCK2.party[0].exp[1]);
    FURI_LOG_D(TAG, "[Trade] XP 3: %x", DATA_BLOCK2.party[0].exp[2]);

    // Set the Pokemon stat experience

    uint16_t statexp = 0x0000;
    // uint16_t statexp = (65535 / 100) * level;
    DATA_BLOCK2.party[0].hp_ev = ((statexp >> 8) & 0x00FF) | ((statexp << 8) & 0xFF00);
    DATA_BLOCK2.party[0].atk_ev = ((statexp >> 8) & 0x00FF) | ((statexp << 8) & 0xFF00);
    DATA_BLOCK2.party[0].def_ev = ((statexp >> 8) & 0x00FF) | ((statexp << 8) & 0xFF00);
    DATA_BLOCK2.party[0].spd_ev = ((statexp >> 8) & 0x00FF) | ((statexp << 8) & 0xFF00);
    DATA_BLOCK2.party[0].special_ev = ((statexp >> 8) & 0x00FF) | ((statexp << 8) & 0xFF00);

    FURI_LOG_D(TAG, "[Trade] Pokemon Stat EXP: %d", statexp);
    FURI_LOG_D(TAG, "[Trade] Pokemon HP EV: %x", DATA_BLOCK2.party[0].hp_ev);
    FURI_LOG_D(TAG, "[Trade] Pokemon Attack EV: %x", DATA_BLOCK2.party[0].atk_ev);
    FURI_LOG_D(TAG, "[Trade] Pokemon Defence EV: %x", DATA_BLOCK2.party[0].def_ev);
    FURI_LOG_D(TAG, "[Trade] Pokemon Speed EV: %x", DATA_BLOCK2.party[0].spd_ev);
    FURI_LOG_D(TAG, "[Trade] Pokemon Special EV: %x", DATA_BLOCK2.party[0].special_ev);

    // Set the Pokemon max hp

    // uint16_t max_hp = (0.01 * (2 * pokemon_table[trade->app->current_pokemon].base_hp + 15 + (0.25 * statexp)) * level) + level + 10;
    uint16_t max_hp = floor((((2 * (pokemon_table[trade->app->current_pokemon].base_hp + 15)) + floor(sqrt(statexp) / 4)) * level) / 100) + (level + 10);
    DATA_BLOCK2.party[0].max_hp = ((max_hp >> 8) & 0x00FF) | ((max_hp << 8) & 0xFF00);
    DATA_BLOCK2.party[0].hp = ((max_hp >> 8) & 0x00FF) | ((max_hp << 8) & 0xFF00);

    FURI_LOG_D(TAG, "[Trade] Pokemon Max HP: %x", DATA_BLOCK2.party[0].max_hp);

    // Set the Pokemon stats

    // uint8_t attack = (0.01 * (2 * pokemon_table[trade->app->current_pokemon].base_atk + 15 + (0.25 * statexp)) * level) + 5;
    uint16_t attack = floor((((2 * (pokemon_table[trade->app->current_pokemon].base_atk + 15)) + floor(sqrt(statexp) / 4)) * level) / 100) + 5;
    DATA_BLOCK2.party[0].atk = ((attack >> 8) & 0x00FF) | ((attack << 8) & 0xFF00);
    // uint8_t defence = (0.01 * (2 * pokemon_table[trade->app->current_pokemon].base_def + 15 + (0.25 * statexp)) * level) + 5;
    uint16_t defence = floor((((2 * (pokemon_table[trade->app->current_pokemon].base_def + 15)) + floor(sqrt(statexp) / 4)) * level) / 100) + 5;
    DATA_BLOCK2.party[0].def = ((defence >> 8) & 0x00FF) | ((defence << 8) & 0xFF00);
    // uint8_t speed = (0.01 * (2 * pokemon_table[trade->app->current_pokemon].base_spd + 15 + (0.25 * statexp)) * level) + 5;
    uint16_t speed = floor((((2 * (pokemon_table[trade->app->current_pokemon].base_spd + 15)) + floor(sqrt(statexp) / 4)) * level) / 100) + 5;
    DATA_BLOCK2.party[0].spd = ((speed >> 8) & 0x00FF) | ((speed << 8) & 0xFF00);
    // uint8_t special = (0.01 * (2 * pokemon_table[trade->app->current_pokemon].base_special + 15 + (0.25 * statexp)) * level) + 5;
    uint16_t special = floor((((2 * (pokemon_table[trade->app->current_pokemon].base_special + 15)) + floor(sqrt(statexp) / 4)) * level) / 100) + 5;
    DATA_BLOCK2.party[0].special = ((special >> 8) & 0x00FF) | ((special << 8) & 0xFF00);

    FURI_LOG_D(TAG, "[Trade] Pokemon Attack: %x", DATA_BLOCK2.party[0].atk);
    FURI_LOG_D(TAG, "[Trade] Pokemon Defence: %x", DATA_BLOCK2.party[0].def);
    FURI_LOG_D(TAG, "[Trade] Pokemon Speed: %x", DATA_BLOCK2.party[0].spd);
    FURI_LOG_D(TAG, "[Trade] Pokemon Special: %x", DATA_BLOCK2.party[0].special);

    // Set the Pokemon types

    DATA_BLOCK2.party[0].type[0] = pokemon_table[trade->app->current_pokemon].type1;
    DATA_BLOCK2.party[0].type[1] = pokemon_table[trade->app->current_pokemon].type2;

    FURI_LOG_D(TAG, "[Trade] Type 1: %x", DATA_BLOCK2.party[0].type[0]);
    FURI_LOG_D(TAG, "[Trade] Type 2: %x", DATA_BLOCK2.party[0].type[1]);

    // Set the Pokemon moves
    
    DATA_BLOCK2.party[0].move[0] = trade->app->move1_hex_code;
    DATA_BLOCK2.party[0].move[1] = trade->app->move2_hex_code;
    DATA_BLOCK2.party[0].move[2] = trade->app->move3_hex_code;
    DATA_BLOCK2.party[0].move[3] = trade->app->move4_hex_code;

    FURI_LOG_D(TAG, "[Trade] Move 1 Hex Code: %x", trade->app->move1_hex_code);
    FURI_LOG_D(TAG, "[Trade] Move 2 Hex Code: %x", trade->app->move2_hex_code);
    FURI_LOG_D(TAG, "[Trade] Move 3 Hex Code: %x", trade->app->move3_hex_code);
    FURI_LOG_D(TAG, "[Trade] Move 4 Hex Code: %x", trade->app->move4_hex_code);

    // B3 (Pin6) / SO (2)
    furi_hal_gpio_write(&GAME_BOY_SO, false);
    furi_hal_gpio_init(&GAME_BOY_SO, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
    // B2 (Pin5) / SI (3)
    furi_hal_gpio_write(&GAME_BOY_SI, false);
    furi_hal_gpio_init(&GAME_BOY_SI, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
    // // C3 (Pin7) / CLK (5)
    furi_hal_gpio_init(
        &GAME_BOY_CLK,
        GpioModeInterruptRise,
        GpioPullNo,
        GpioSpeedVeryHigh); // <-- This line causes the "OK" to stop functioning when exiting the application, so a reboot of the Flipper Zero is required.
    furi_hal_gpio_remove_int_callback(&GAME_BOY_CLK);
    furi_hal_gpio_add_int_callback(&GAME_BOY_CLK, input_clk_gameboy, trade);

    // furi_hal_gpio_disable_int_callback(&GAME_BOY_CLK);
    // furi_hal_gpio_remove_int_callback(&GAME_BOY_CLK);
    // Reset GPIO pins to default state
    // furi_hal_gpio_init(&GAME_BOY_CLK, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
}

bool trade_custom_callback(uint32_t event, void* context) {
    UNUSED(event);
    furi_assert(context);
    Trade* trade = (Trade*)context;
    view_dispatcher_send_custom_event(trade->app->view_dispatcher, 0);
    return true;
}
void disconnect_pin(const GpioPin* pin) {
    furi_hal_gpio_init(pin, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
    furi_hal_gpio_write(pin, true);
}
void trade_exit_callback(void* context) {
    furi_assert(context);
    procesing = false;
    furi_hal_light_set(LightGreen, 0x00);
    furi_hal_light_set(LightBlue, 0x00);
    furi_hal_light_set(LightRed, 0x00);
}
Trade* trade_alloc(App* app) {
    Trade* trade = (Trade*)malloc(sizeof(Trade));
    trade->app = app;
    trade->view = view_alloc();
    procesing = true;
    view_set_context(trade->view, trade);
    view_allocate_model(trade->view, ViewModelTypeLockFree, sizeof(SelectPokemonModel));

    view_set_draw_callback(trade->view, trade_draw_callback);
    view_set_input_callback(trade->view, trade_input_callback);
    view_set_enter_callback(trade->view, trade_enter_callback);
    view_set_custom_callback(trade->view, trade_custom_callback);
    view_set_exit_callback(trade->view, trade_exit_callback);

    return trade;
}

void trade_free(App* app) {
    furi_assert(app);
    // Free resources
    procesing = false;
    furi_hal_gpio_remove_int_callback(&GAME_BOY_CLK);

    disconnect_pin(&GAME_BOY_CLK);
    view_free(app->trade->view);
    free(app->trade);
}

View* trade_get_view(App* app) {
    furi_assert(app);
    return app->trade->view;
}