Momentum-Apps/uhf_rfid/uhf_app.c

#include "uhf_app_i.h"
#include <expansion/expansion.h>

char* convertToHexString(uint8_t* array, size_t length) {
    if(array == NULL || length == 0) {
        return " ";
    }
    FuriString* temp_str = furi_string_alloc();

    for(size_t i = 0; i < length; i++) {
        furi_string_cat_printf(temp_str, "%02X ", array[i]);
    }
    const char* furi_str = furi_string_get_cstr(temp_str);

    size_t str_len = strlen(furi_str);
    char* str = (char*)malloc(sizeof(char) * str_len);

    memcpy(str, furi_str, str_len);
    furi_string_free(temp_str);
    return str;
}

bool uhf_custom_event_callback(void* ctx, uint32_t event) {
    furi_assert(ctx);
    UHFApp* uhf_app = ctx;
    return scene_manager_handle_custom_event(uhf_app->scene_manager, event);
}

bool uhf_back_event_callback(void* ctx) {
    furi_assert(ctx);
    UHFApp* uhf_app = ctx;
    return scene_manager_handle_back_event(uhf_app->scene_manager);
}

void uhf_tick_event_callback(void* ctx) {
    furi_assert(ctx);
    UHFApp* uhf_app = ctx;
    scene_manager_handle_tick_event(uhf_app->scene_manager);
}

UHFApp* uhf_alloc() {
    UHFApp* uhf_app = (UHFApp*)malloc(sizeof(UHFApp));
    uhf_app->view_dispatcher = view_dispatcher_alloc();
    uhf_app->scene_manager = scene_manager_alloc(&uhf_scene_handlers, uhf_app);
    view_dispatcher_enable_queue(uhf_app->view_dispatcher);
    view_dispatcher_set_event_callback_context(uhf_app->view_dispatcher, uhf_app);
    view_dispatcher_set_custom_event_callback(uhf_app->view_dispatcher, uhf_custom_event_callback);
    view_dispatcher_set_navigation_event_callback(
        uhf_app->view_dispatcher, uhf_back_event_callback);
    view_dispatcher_set_tick_event_callback(
        uhf_app->view_dispatcher, uhf_tick_event_callback, 100);

    // Open GUI record
    uhf_app->gui = furi_record_open(RECORD_GUI);
    view_dispatcher_attach_to_gui(
        uhf_app->view_dispatcher, uhf_app->gui, ViewDispatcherTypeFullscreen);

    // Variable Item List
    uhf_app->variable_item_list = variable_item_list_alloc();

    //worker
    uhf_app->worker = uhf_worker_alloc();

    // device
    uhf_app->uhf_device = uhf_device_alloc();

    UHFTagWrapper* uhf_tag_wrapper = uhf_tag_wrapper_alloc();

    // // point tag object to worker
    uhf_app->worker->uhf_tag_wrapper = uhf_tag_wrapper;
    uhf_app->uhf_device->uhf_tag_wrapper = uhf_tag_wrapper;

    // Open Notification record
    uhf_app->notifications = furi_record_open(RECORD_NOTIFICATION);

    // Variable Item List
    uhf_app->variable_item_list = variable_item_list_alloc();
    view_dispatcher_add_view(
        uhf_app->view_dispatcher,
        UHFViewVariableItemList,
        variable_item_list_get_view(uhf_app->variable_item_list));

    // Submenu
    uhf_app->submenu = submenu_alloc();
    view_dispatcher_add_view(
        uhf_app->view_dispatcher, UHFViewMenu, submenu_get_view(uhf_app->submenu));

    // Popup
    uhf_app->popup = popup_alloc();
    view_dispatcher_add_view(
        uhf_app->view_dispatcher, UHFViewPopup, popup_get_view(uhf_app->popup));

    // Loading
    uhf_app->loading = loading_alloc();
    view_dispatcher_add_view(
        uhf_app->view_dispatcher, UHFViewLoading, loading_get_view(uhf_app->loading));

    // Text Input
    uhf_app->text_input = text_input_alloc();
    view_dispatcher_add_view(
        uhf_app->view_dispatcher, UHFViewTextInput, text_input_get_view(uhf_app->text_input));

    // Custom Widget
    uhf_app->widget = widget_alloc();
    view_dispatcher_add_view(
        uhf_app->view_dispatcher, UHFViewWidget, widget_get_view(uhf_app->widget));

    return uhf_app;
}

void uhf_free(UHFApp* uhf_app) {
    furi_assert(uhf_app);

    // Variable Item List
    view_dispatcher_remove_view(uhf_app->view_dispatcher, UHFViewVariableItemList);
    variable_item_list_free(uhf_app->variable_item_list);

    // Submenu
    view_dispatcher_remove_view(uhf_app->view_dispatcher, UHFViewMenu);
    submenu_free(uhf_app->submenu);

    // Popup
    view_dispatcher_remove_view(uhf_app->view_dispatcher, UHFViewPopup);
    popup_free(uhf_app->popup);

    // Loading
    view_dispatcher_remove_view(uhf_app->view_dispatcher, UHFViewLoading);
    loading_free(uhf_app->loading);

    // TextInput
    view_dispatcher_remove_view(uhf_app->view_dispatcher, UHFViewTextInput);
    text_input_free(uhf_app->text_input);

    // Custom Widget
    view_dispatcher_remove_view(uhf_app->view_dispatcher, UHFViewWidget);
    widget_free(uhf_app->widget);

    // Tag
    uhf_tag_wrapper_free(uhf_app->worker->uhf_tag_wrapper);

    // Worker
    uhf_worker_stop(uhf_app->worker);
    uhf_worker_free(uhf_app->worker);

    // Device
    uhf_device_free(uhf_app->uhf_device);

    // View Dispatcher
    view_dispatcher_free(uhf_app->view_dispatcher);

    // Scene Manager
    scene_manager_free(uhf_app->scene_manager);

    // GUI
    furi_record_close(RECORD_GUI);
    uhf_app->gui = NULL;

    // Notifications
    furi_record_close(RECORD_NOTIFICATION);
    uhf_app->notifications = NULL;

    free(uhf_app);
}

static const NotificationSequence uhf_sequence_blink_start_cyan = {
    &message_blink_start_10,
    &message_blink_set_color_cyan,
    &message_do_not_reset,
    NULL,
};

static const NotificationSequence uhf_sequence_blink_stop = {
    &message_blink_stop,
    NULL,
};

void uhf_blink_start(UHFApp* uhf_app) {
    notification_message(uhf_app->notifications, &uhf_sequence_blink_start_cyan);
}

void uhf_blink_stop(UHFApp* uhf_app) {
    notification_message(uhf_app->notifications, &uhf_sequence_blink_stop);
}

void uhf_show_loading_popup(void* ctx, bool show) {
    UHFApp* uhf_app = ctx;
    if(show) {
        // Raise timer priority so that animations can play
        furi_timer_set_thread_priority(FuriTimerThreadPriorityElevated);
        view_dispatcher_switch_to_view(uhf_app->view_dispatcher, UHFViewLoading);
    } else {
        // Restore default timer priority
        furi_timer_set_thread_priority(FuriTimerThreadPriorityNormal);
    }
}

int32_t uhf_app_main(void* ctx) {
    UNUSED(ctx);

    // Disable expansion protocol to avoid interference with UART Handle
    Expansion* expansion = furi_record_open(RECORD_EXPANSION);
    expansion_disable(expansion);

    UHFApp* uhf_app = uhf_alloc();
    // enable 5v pin
    uint8_t attempts = 0;
    bool otg_was_enabled = furi_hal_power_is_otg_enabled();
    while(!furi_hal_power_is_otg_enabled() && attempts++ < 5) {
        furi_hal_power_enable_otg();
        furi_delay_ms(10);
    }
    // enter app
    scene_manager_next_scene(uhf_app->scene_manager, UHFSceneModuleInfo);
    view_dispatcher_run(uhf_app->view_dispatcher);
    // disable 5v pin
    if(furi_hal_power_is_otg_enabled() && !otg_was_enabled) {
        furi_hal_power_disable_otg();
    }
    // exit app
    uhf_free(uhf_app);

    // Return previous state of expansion
    expansion_enable(expansion);
    furi_record_close(RECORD_EXPANSION);

    return 0;
}