add files

flipper_random/application.fam

@@ -0,0 +1,13 @@
+App(
+    appid="flipper_random",
+    name="Random",
+    apptype=FlipperAppType.EXTERNAL,
+    entry_point="flipper_random_app",
+    cdefines=["APP_FLIPPER_RANDOM"],
+    requires=[
+        "gui",
+    ],
+    stack_size=1 * 1024,
+    fap_icon="random.png",
+    fap_category="Tools",
+)

flipper_random/flipper_random.c

@@ -0,0 +1,73 @@
+// CC0 1.0 Universal (CC0 1.0)
+// Public Domain Dedication
+// https://github.com/nmrr
+
+#include <stdio.h>
+#include <furi.h>
+#include <gui/gui.h>
+#include <input/input.h>
+#include <notification/notification_messages.h>
+#include <furi_hal_random.h>
+
+#include <storage/storage.h>
+#include <stream/buffered_file_stream.h>
+
+typedef enum {
+    EventTypeInput,
+} EventType;
+
+typedef struct {
+    EventType type;
+    InputEvent input;
+} EventApp;
+
+static void draw_callback(Canvas* canvas, void* ctx) 
+{
+    UNUSED(ctx);
+    canvas_set_font(canvas, FontPrimary);
+    canvas_draw_str_aligned(canvas, 64, 22, AlignCenter, AlignBottom, "Copy 256MB of random");
+    canvas_draw_str_aligned(canvas, 64, 32, AlignCenter, AlignBottom, "data on /random.dat");
+
+    canvas_draw_str_aligned(canvas, 64, 52, AlignCenter, AlignBottom, "Please wait...");
+}
+
+int32_t flipper_random_app() 
+{
+    ViewPort* view_port = view_port_alloc();
+    view_port_draw_callback_set(view_port, draw_callback, NULL);
+
+    Gui* gui = furi_record_open(RECORD_GUI);
+    gui_add_view_port(gui, view_port, GuiLayerFullscreen);
+
+    //////////////////
+
+    Storage* storage = furi_record_open(RECORD_STORAGE);
+
+    furi_record_close(RECORD_STORAGE);
+    Stream* file_stream = buffered_file_stream_alloc(storage);
+    buffered_file_stream_open(file_stream, EXT_PATH("/random.dat"), FSAM_WRITE, FSOM_CREATE_ALWAYS);
+
+    uint8_t randomuint8[8];
+    FuriString* data_str = furi_string_alloc();
+
+    for (unsigned int i=0;i<1024*1024*32;i++)
+    {
+        furi_hal_random_fill_buf(randomuint8,8);
+        furi_string_printf(data_str, "%c%c%c%c%c%c%c%c", randomuint8[0], randomuint8[1], randomuint8[2], randomuint8[3], randomuint8[4], randomuint8[5], randomuint8[6], randomuint8[7]);
+        stream_write_string(file_stream, data_str);
+    }
+
+    buffered_file_stream_close(file_stream);
+    stream_free(file_stream);
+    furi_string_free(data_str);
+
+    //////////////////
+
+    gui_remove_view_port(gui, view_port);
+    view_port_free(view_port);
+    furi_record_close(RECORD_GUI);
+
+    furi_record_close(RECORD_NOTIFICATION);
+
+    return 0;
+}