Momentum-Apps/mayhem_qrcode/uart_echo.h

#include <furi.h>
#include <furi_hal.h>
#include <gui/gui.h>
#include <notification/notification.h>
#include <notification/notification_messages.h>
#include <gui/elements.h>
#include <furi_hal_serial_control.h>
#include <furi_hal_serial.h>
#include <gui/view_dispatcher.h>
#include <gui/modules/dialog_ex.h>

#define LINES_ON_SCREEN   6
#define COLUMNS_ON_SCREEN 21

typedef struct UartDumpModel UartDumpModel;

typedef struct {
    Gui* gui;
    NotificationApp* notification;
    ViewDispatcher* view_dispatcher;
    View* view;
    FuriThread* worker_thread;
    FuriStreamBuffer* rx_stream;
    FuriHalSerialHandle* serial_handle;
    bool initialized;
} UartEchoApp;

typedef struct {
    FuriString* text;
} ListElement;

struct UartDumpModel {
    ListElement* list[LINES_ON_SCREEN];
    uint8_t line;

    char last_char;
    bool escape;
};

typedef enum {
    WorkerEventReserved = (1 << 0), // Reserved for StreamBuffer internal event
    WorkerEventStop = (1 << 1),
    WorkerEventRx = (1 << 2),
} WorkerEventFlags;

#define WORKER_EVENTS_MASK (WorkerEventStop | WorkerEventRx)

const NotificationSequence sequence_notification = {
    &message_display_backlight_on,
    &message_green_255,
    &message_delay_10,
    NULL,
};