messy code

.github/workflows/build.yml

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+name: "FAP: Build for multiple SDK sources"
+# This will build your app for dev and release channels on GitHub. 
+# It will also build your app every day to make sure it's up to date with the latest SDK changes.
+# See https://github.com/marketplace/actions/build-flipper-application-package-fap for more information
+
+on:
+  push:
+    ## put your main branch name under "branches"
+    #branches: 
+    #  - master 
+  pull_request:
+  schedule: 
+    # do a build every day
+    - cron: "1 1 * * *"
+
+jobs:
+  ufbt-build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - name: dev channel
+            sdk-channel: dev
+          - name: release channel
+            sdk-channel: release
+          # You can add unofficial channels here. See ufbt action docs for more info.
+    name: 'ufbt: Build for ${{ matrix.name }}'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build with ufbt
+        uses: flipperdevices/flipperzero-ufbt-action@v0.1
+        id: build-app
+        with:
+          sdk-channel: ${{ matrix.sdk-channel }}
+      - name: Upload app artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          # See ufbt action docs for other output variables
+          name: ${{ github.event.repository.name }}-${{ steps.build-app.outputs.suffix }}
+          path: ${{ steps.build-app.outputs.fap-artifacts }}

.gitignore

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+dist/*
+.vscode
+.clang-format
+.editorconfig
+.env
+.ufbt

application.fam

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+# For details & more options, see documentation/AppManifests.md in firmware repo
+
+App(
+    appid="template",  # Must be unique
+    name="App template",  # Displayed in menus
+    apptype=FlipperAppType.EXTERNAL,
+    entry_point="template_app",
+    stack_size=2 * 1024,
+    fap_category="Examples",
+    requires=["gui"],
+    # Optional values
+    # fap_version="0.1",
+    fap_icon="template.png",  # 10x10 1-bit PNG
+    # fap_description="A simple app",
+    # fap_author="J. Doe",
+    # fap_weburl="https://github.com/user/template",
+    fap_icon_assets="images",  # Image assets to compile for this application
+)

template.c

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+#include <furi.h>
+#include <furi_hal.h>
+#include <furi_hal_usb.h>
+#include <usb.h>
+#include <usb_hid.h>
+#include <stdlib.h>
+#include <gui/gui.h>
+#include <input/input.h>
+
+/* generated by fbt from .png files in images folder */
+#include <template_icons.h>
+
+#define XBOX_SURFACE_EP_IN 0x81 // IN Endpoint 1
+#define HID_EP_SZ 0x10
+
+typedef struct {
+	uint8_t x, y;
+} Position;
+static Position text_pos = {.x = 0, .y = 0};
+
+enum {
+	UP = 1 << 0,
+	DOWN = 1 << 1,
+	LEFT = 1 << 2,
+	RIGHT = 1 << 3,
+	START = 1 << 4,
+	BACK = 1 << 5,
+	L3 = 1 << 6,
+	R3 = 1 << 7,
+	LEFT_BUMPER = 1 << 8,
+	RIGHT_BUMPER = 1 << 9,
+	LOGO = 1 << 10,
+	THE_VOID_ONE = 1 << 11, // https://www.partsnotincluded.com/wp-content/uploads/2019/03/X360_ButtonPackets.jpg
+	A = 1 << 12,
+	B = 1 << 13,
+	X = 1 << 14,
+	Y = 1 << 15,
+} xbox_buttons;
+
+// "shit" variables are unknown variables. I couldn't find any other way to add those. /shrug
+
+struct xbox_control_surface {
+	// For the buttons, 0 means not pressed and 1 means pressed
+	uint8_t message_type; // 0x00
+	uint8_t length; // 20
+	uint16_t buttons; // Refer to xbox_buttons enum for flags
+	uint8_t left_trigger; // 0-255
+	uint8_t right_trigger;
+	int16_t left_x;
+	int16_t left_y;
+	int16_t right_x;
+	int16_t right_y;
+	uint8_t shit[6];
+} FURI_PACKED;
+
+struct xbox_control_surface current_surface;
+
+struct usb_unknown0_descriptor {
+	uint8_t bLength;
+	uint8_t bDescriptorType;
+	uint8_t shit1, shit2, shit3, shit4; // 0x00, 0x01, 0x01, 0x25
+	uint8_t bEndpointAddress; // 0x81 IN endpoint 1
+	uint8_t bMaxDataSize;
+	uint8_t shit5, shit6, shit7, shit8, shit9; // 0x00, 0x00, 0x00, 0x00, 0x13
+	uint8_t bEndpointAddress2; // 0x01 OUT endpoint 1
+	uint8_t bMaxDataSize2;
+	uint8_t shit10, shit11; // 0x00, 0x00
+};
+
+struct usb_unknown1_descriptor {
+	uint8_t bLength;
+	uint8_t bDescriptorType;
+	uint8_t shit1, shit2, shit3, shit4;
+	uint8_t bEndpointAddress;
+	uint8_t bMaxDataSize;
+	uint8_t shit5;
+	uint8_t bEndpointAddress2;
+	uint8_t bMaxDataSize2;
+	uint8_t shit6;
+	uint8_t bEndpointAddress3;
+	uint8_t bMaxDataSize3;
+	uint8_t shit7, shit8, shit9, shit10, shit11, shit12;
+	uint8_t bEndpointAddress4;
+	uint8_t bMaxDataSize4;
+	uint8_t shit13, shit14, shit15, shit16, shit17;
+};
+
+struct usb_unknown2_descriptor {
+	uint8_t bLength;
+	uint8_t bDescriptorType;
+	uint8_t shit1, shit2, shit3, shit4;
+	uint8_t bEndpointAddress;
+	uint8_t bMaxDataSize;
+	uint8_t shit5;
+};
+
+struct usb_unknown3_descriptor {
+	uint8_t bLength;
+	uint8_t bDescriptorType;
+	uint8_t shit1, shit2, shit3, shit4;
+};
+
+struct XboxIntf0Descriptor {
+	struct usb_interface_descriptor hid;
+	struct usb_unknown0_descriptor unknown;
+	struct usb_endpoint_descriptor hid_ep_in;
+	struct usb_endpoint_descriptor hid_ep_out;
+};
+
+struct XboxIntf1Descriptor {
+	struct usb_interface_descriptor hid;
+	struct usb_unknown1_descriptor unknown;
+	struct usb_endpoint_descriptor hid_ep_in_2;
+	struct usb_endpoint_descriptor hid_ep_out_2;
+	struct usb_endpoint_descriptor hid_ep_in_3;
+	struct usb_endpoint_descriptor hid_ep_out_3;
+};
+
+struct XboxIntf2Descriptor {
+	struct usb_interface_descriptor hid;
+	struct usb_unknown2_descriptor unknown;
+	struct usb_endpoint_descriptor hid_ep_in_4;
+};
+
+struct XboxIntf3Descriptor {
+	struct usb_interface_descriptor hid;
+	struct usb_unknown3_descriptor unknown;
+};
+
+struct XboxConfigDescriptor {
+	struct usb_config_descriptor config;
+	struct XboxIntf0Descriptor intf_0;
+	struct XboxIntf1Descriptor intf_1;
+	struct XboxIntf2Descriptor intf_2;
+	struct XboxIntf3Descriptor intf_3;
+} FURI_PACKED;
+
+static struct usb_device_descriptor xbox_device_desc = {
+	.bLength = 0x12,
+	.bDescriptorType = 0x01,
+	.bcdUSB = 0x0200,
+	.bDeviceClass = 0xFF, // Vendor specific
+	.bDeviceSubClass = 0xFF,
+	.bDeviceProtocol = 0xFF,
+	.bMaxPacketSize0 = 0x08,
+	.idVendor = 0x045E,
+	.idProduct = 0x028E,
+	.bcdDevice = 0x0114,
+	.iManufacturer = 0x01,
+	.iProduct = 0x02,
+	.iSerialNumber = 0x03,
+	.bNumConfigurations = 0x01,
+};
+
+static const struct XboxConfigDescriptor xbox_cfg_desc = {
+	.config = {
+		.bLength = 9,
+		.bDescriptorType = 0x02, // CONFIGURATION
+		.wTotalLength = 153,
+		.bNumInterfaces = 4,
+		.bConfigurationValue = 1,
+		.iConfiguration = 0,
+		.bmAttributes = 0b10100000, // Not self-powered, remote wake-up
+		.bMaxPower = USB_CFG_POWER_MA(500),
+	},
+	.intf_0 = {
+		.hid = {
+			.bLength = 9,
+			.bDescriptorType = 0x04, // INTERFACE
+			.bInterfaceNumber = 0,
+			.bAlternateSetting = 0,
+			.bNumEndpoints = 2,
+			.bInterfaceClass = 0xFF, // Vendor Specific
+			.bInterfaceSubClass = 0x5D,
+			.bInterfaceProtocol = 0x01,
+			.iInterface = 0,
+		},
+		.unknown = { // Unknown descriptor
+			.bLength = 17,
+			.bDescriptorType = 0x21, // UNKNOWN
+			.shit1 = 0x00, .shit2 = 0x01, .shit3 = 0x01,
+			.shit4 = 0x25,
+			.bEndpointAddress = 0x81, // IN Endpoint 1
+			.bMaxDataSize = 20,
+			.shit5 = 0x00, .shit6 = 0x00, .shit7 = 0x00, .shit8 = 0x00, .shit9 = 0x13,
+			.bEndpointAddress2 = 0x01, // OUT Endpoint 1
+			.bMaxDataSize2 = 8,
+			.shit10 = 0x00, .shit11 = 0x00,
+		},
+		.hid_ep_in = {
+			.bLength = 7,
+			.bDescriptorType = 0x05, // ENDPOINT
+			.bEndpointAddress = 0x81, // IN Endpoint 1
+			.bmAttributes = 0x03,
+			.wMaxPacketSize = 32,
+			.bInterval = 4,
+		},
+		.hid_ep_out = {
+			.bLength = 7,
+			.bDescriptorType = 0x05, // ENDPOINT
+			.bEndpointAddress = 0x01, // OUT Endpoint 1
+			.bmAttributes = 0x03,
+			.wMaxPacketSize = 32,
+			.bInterval = 8,
+		}
+	},
+	.intf_1 = {
+		.hid = {
+			.bLength = 9,
+			.bDescriptorType = 0x04, // INTERFACE
+			.bInterfaceNumber = 1,
+			.bAlternateSetting = 0,
+			.bNumEndpoints = 4,
+			.bInterfaceClass = 0xFF, // Vendor Specific
+			.bInterfaceSubClass = 0x5D,
+			.bInterfaceProtocol = 0x03,
+			.iInterface = 0,
+		},
+		.unknown = {
+			.bLength = 27,
+			.bDescriptorType = 0x21, // UNKNOWN
+			.shit1 = 0x00,
+			.shit2 = 0x01,
+			.shit3 = 0x01,
+			.shit4 = 0x01,
+			.bEndpointAddress = 0x82, // IN Endpoint 2
+			.bMaxDataSize = 64,
+			.shit5 = 0x01,
+			.bEndpointAddress2 = 0x02, // OUT Endpoint 2
+			.bMaxDataSize2 = 32,
+			.shit6 = 0x16,
+			.bEndpointAddress3 = 0x83, // IN Endpoint 3
+			.bMaxDataSize3 = 0,
+			.shit7 = 0x00,
+			.shit8 = 0x00,
+			.shit9 = 0x00,
+			.shit10 = 0x00,
+			.shit11 = 0x00,
+			.shit12 = 0x16,
+			.bEndpointAddress4 = 0x03, // OUT Endpoint 3
+			.bMaxDataSize4 = 0,
+			.shit13 = 0x00,
+			.shit14 = 0x00,
+			.shit15 = 0x00,
+			.shit16 = 0x00,
+			.shit17 = 0x00,
+		},
+		.hid_ep_in_2 = {
+			.bLength = 7,
+			.bDescriptorType = 0x05, // ENDPOINT
+			.bEndpointAddress = 0x82, // IN Endpoint 2
+			.bmAttributes = 0x03,
+			.wMaxPacketSize = 32,
+			.bInterval = 2,
+		},
+		.hid_ep_out_2 = {
+			.bLength = 7,
+			.bDescriptorType = 0x05, // ENDPOINT
+			.bEndpointAddress = 0x02, // OUT Endpoint 2
+			.bmAttributes = 0x03,
+			.wMaxPacketSize = 32,
+			.bInterval = 4,
+		},
+		.hid_ep_in_3 = {
+			.bLength = 7,
+			.bDescriptorType = 0x05, // ENDPOINT
+			.bEndpointAddress = 0x83, // IN Endpoint 3
+			.bmAttributes = 0x03,
+			.wMaxPacketSize = 32,
+			.bInterval = 64,
+		},
+		.hid_ep_out_3 = {
+			.bLength = 7,
+			.bDescriptorType = 0x05, // ENDPOINT
+			.bEndpointAddress = 0x03, // OUT Endpoint 3
+			.bmAttributes = 0x03,
+			.wMaxPacketSize = 32,
+			.bInterval = 16,
+		},
+	},
+	.intf_2 = {
+		.hid = {
+			.bLength = 9,
+			.bDescriptorType = 0x04, // INTERFACE
+			.bInterfaceNumber = 2,
+			.bAlternateSetting = 0,
+			.bNumEndpoints = 1,
+			.bInterfaceClass = 0xFF, // Vendor Specific
+			.bInterfaceSubClass = 0x5D,
+			.bInterfaceProtocol = 0x02,
+			.iInterface = 0,
+		},
+		.unknown = {
+			.bLength = 9,
+			.bDescriptorType = 0x21, // UNKNOWN
+			.shit1 = 0x00,
+			.shit2 = 0x01,
+			.shit3 = 0x01,
+			.shit4 = 0x22,
+			.bEndpointAddress = 0x84, // IN Endpoint 4
+			.bMaxDataSize = 7,
+			.shit5 = 0x00,
+		},
+		.hid_ep_in_4 = {
+			.bLength = 7,
+			.bDescriptorType = 0x05, // ENDPOINT
+			.bEndpointAddress = 0x84, // IN Endpoint 4
+			.bmAttributes = 0x03,
+			.wMaxPacketSize = 32,
+			.bInterval = 16,
+		}
+	},
+	.intf_3 = {
+		.hid = {
+			.bLength = 9,
+			.bDescriptorType = 0x04, // INTERFACE
+			.bInterfaceNumber = 3,
+			.bAlternateSetting = 0,
+			.bNumEndpoints = 0,
+			.bInterfaceClass = 0xFF, // Vendor Specific
+			.bInterfaceSubClass = 0xFD,
+			.bInterfaceProtocol = 0x13,
+			.iInterface = 4,
+		},
+		.unknown = {
+			.bLength = 6,
+			.bDescriptorType = 0x41, // UNKNOWN
+			.shit1 = 0x00,
+			.shit2 = 0x01,
+			.shit3 = 0x01,
+			.shit4 = 0x03,
+		},
+	},
+
+};
+
+static bool boot_protocol = false;
+static usbd_device* usb_dev;
+static FuriSemaphore* hid_semaphore = NULL;
+static bool hid_connected = false;
+
+static void* hid_set_string_descr(char* str) {
+	furi_assert(str);
+
+	size_t len = strlen(str);
+	struct usb_string_descriptor* dev_str_desc = malloc(len * 2 + 2);
+	dev_str_desc->bLength = len * 2 + 2;
+	dev_str_desc->bDescriptorType = USB_DTYPE_STRING;
+	for(size_t i = 0; i < len; i++)
+		dev_str_desc->wString[i] = str[i];
+
+	return dev_str_desc;
+}
+
+static void hid_txrx_ep_callback(usbd_device* dev, uint8_t event, uint8_t ep) {
+	UNUSED(dev);
+	UNUSED(ep);
+	if(event == usbd_evt_eptx) {
+		furi_semaphore_release(hid_semaphore);
+	} else if(boot_protocol == true) {
+		//uint8_t message_type;
+		//usbd_ep_read(usb_dev, ep, &led_state, sizeof(led_state));
+	} else {
+		//struct HidReportLED leds;
+		//usbd_ep_read(usb_dev, ep, &leds, sizeof(leds));
+		//led_state = leds.led_state;
+	}
+}
+static usbd_respond hid_ep_config(usbd_device* dev, uint8_t cfg) {
+	switch(cfg) {
+	case 0:
+		/* deconfiguring device */
+		usbd_ep_deconfig(dev, XBOX_SURFACE_EP_IN);
+		usbd_reg_endpoint(dev, XBOX_SURFACE_EP_IN, 0);
+		return usbd_ack;
+	case 1:
+		/* configuring device */
+		usbd_ep_config(dev, XBOX_SURFACE_EP_IN, USB_EPTYPE_INTERRUPT, 32);
+		usbd_reg_endpoint(dev, XBOX_SURFACE_EP_IN, hid_txrx_ep_callback);
+		//usbd_ep_write(dev, HID_EP_IN, 0, 0);
+		boot_protocol = false; /* BIOS will SET_PROTOCOL if it wants this */
+		return usbd_ack;
+	default:
+		return usbd_fail;
+	}
+}
+static usbd_respond hid_control(usbd_device* dev, usbd_ctlreq* req, usbd_rqc_callback* callback) {
+	UNUSED(callback);
+	/* HID control requests */
+	if(((USB_REQ_RECIPIENT | USB_REQ_TYPE) & req->bmRequestType) ==
+	        (USB_REQ_INTERFACE | USB_REQ_CLASS) &&
+	        req->wIndex == 0) {
+		switch(req->bRequest) {
+		case USB_HID_SETIDLE:
+			return usbd_ack;
+		case USB_HID_GETREPORT:
+			//if(boot_protocol == true) {
+			//  dev->status.data_ptr = &hid_report.keyboard.boot;
+			//  dev->status.data_count = sizeof(hid_report.keyboard.boot);
+			//} else {
+			//  dev->status.data_ptr = &hid_report;
+			//  dev->status.data_count = sizeof(hid_report);
+			//}
+			return usbd_ack;
+		case USB_HID_SETPROTOCOL:
+			if(req->wValue == 0)
+				boot_protocol = true;
+			else if(req->wValue == 1)
+				boot_protocol = false;
+			else
+				return usbd_fail;
+			return usbd_ack;
+		default:
+			return usbd_fail;
+		}
+	}
+	if(((USB_REQ_RECIPIENT | USB_REQ_TYPE) & req->bmRequestType) ==
+	        (USB_REQ_INTERFACE | USB_REQ_STANDARD) &&
+	        req->wIndex == 0 && req->bRequest == USB_STD_GET_DESCRIPTOR) {
+		switch(req->wValue >> 8) {
+		case USB_DTYPE_HID:
+			dev->status.data_ptr = (uint8_t*)&(xbox_cfg_desc.intf_0.hid);
+			dev->status.data_count = sizeof(xbox_cfg_desc.intf_0.hid);
+			return usbd_ack;
+		default:
+			return usbd_fail;
+		}
+	}
+	return usbd_fail;
+}
+
+static void hid_deinit(usbd_device* dev) {
+	usbd_reg_config(dev, NULL);
+	usbd_reg_control(dev, NULL);
+}
+static void hid_on_wakeup(usbd_device* dev) {
+	UNUSED(dev);
+	if(!hid_connected) {
+		hid_connected = true;
+	}
+}
+static void hid_on_suspend(usbd_device* dev) {
+	UNUSED(dev);
+	if(hid_connected) {
+		hid_connected = false;
+		furi_semaphore_release(hid_semaphore);
+	}
+}
+
+static bool hid_send_report() {
+	if((hid_semaphore == NULL) || (hid_connected == false)) return false;
+	FuriStatus status = furi_semaphore_acquire(hid_semaphore, 8 * 2);
+	if(status == FuriStatusErrorTimeout) {
+		return false;
+	}
+	furi_check(status == FuriStatusOk);
+	if(hid_connected == false) {
+		return false;
+	}
+	if (boot_protocol != true) {
+		usbd_ep_write(usb_dev, XBOX_SURFACE_EP_IN, &current_surface, sizeof(current_surface));
+	}
+	return true;
+}
+
+static void hid_init(usbd_device* dev, FuriHalUsbInterface* intf, void* ctx);
+
+FuriHalUsbInterface usb_xbox = {
+	.init = hid_init,
+	.deinit = hid_deinit,
+	.wakeup = hid_on_wakeup,
+	.suspend = hid_on_suspend,
+
+	.dev_descr = (struct usb_device_descriptor*)&xbox_device_desc,
+
+	.str_manuf_descr = NULL, //USB_STRING_DESC("Microsoft Corporation"),
+	.str_prod_descr = NULL, //USB_STRING_DESC("Controller"),
+	.str_serial_descr = NULL, //USB_STRING_DESC("08FEC93"),
+
+	.cfg_descr = (void*)&xbox_cfg_desc
+};
+
+static void hid_init(usbd_device* dev, FuriHalUsbInterface* intf, void* ctx) {
+	UNUSED(intf);
+	UNUSED(ctx);
+	// FuriHalUsbHidConfig* cfg = (FuriHalUsbHidConfig*)ctx;
+	// UNUSED(cfg);
+	if(hid_semaphore == NULL) hid_semaphore = furi_semaphore_alloc(1, 1);
+	usb_dev = dev;
+
+	usb_xbox.dev_descr->iManufacturer = 1;
+	usb_xbox.dev_descr->iProduct = 2;
+	usb_xbox.dev_descr->iSerialNumber = 3;
+	usb_xbox.dev_descr->idVendor = 0x045E; // Microsoft
+	usb_xbox.dev_descr->idProduct = 0x028E; // Xbox 360 Controller
+
+	usb_xbox.str_manuf_descr = hid_set_string_descr("Microsoft Corporation");
+	usb_xbox.str_prod_descr = hid_set_string_descr("Controller");
+	usb_xbox.str_serial_descr = hid_set_string_descr("08FEC93");
+
+	usbd_reg_config(dev, hid_ep_config);
+	usbd_reg_control(dev, hid_control);
+	usbd_connect(dev, true);
+}
+
+char* message;
+
+static void app_draw_callback(Canvas* canvas, void* ctx) {
+	UNUSED(ctx);
+
+	canvas_clear(canvas);
+	canvas_set_color(canvas, ColorBlack);
+	canvas_set_font(canvas, FontSecondary);
+	if (hid_connected) {
+		canvas_draw_str_aligned(
+		    canvas,     // Callback variable
+		    text_pos.x,          // x coordinate
+		    text_pos.y,          // y coordinate
+		    AlignLeft,  // Horizontal alignement
+		    AlignTop,   // Vertical alignement
+		    "Connected! :D"   // Text to display
+		);
+	}
+	canvas_draw_str_aligned(
+	    canvas,     // Callback variable
+	    text_pos.x,          // x coordinate
+	    text_pos.y + 20,          // y coordinate
+	    AlignLeft,  // Horizontal alignement
+	    AlignTop,   // Vertical alignement
+	    message   // Text to display
+	);
+	// canvas_draw_icon(canvas, image_position.x % 128, image_position.y % 64, &I_airplane);
+}
+
+static void app_input_callback(InputEvent* input_event, void* ctx) {
+	furi_assert(ctx);
+
+	FuriMessageQueue* event_queue = ctx;
+	furi_message_queue_put(event_queue, input_event, FuriWaitForever);
+}
+
+int32_t template_app(void* p) {
+	UNUSED(p);
+	FURI_LOG_I("TEST", "Hello world");
+	FURI_LOG_I("TEST", "I'm template!");
+
+	FuriMessageQueue* event_queue = furi_message_queue_alloc(8, sizeof(InputEvent));
+	ViewPort* view_port = view_port_alloc();
+	view_port_draw_callback_set(view_port, app_draw_callback, view_port);
+	view_port_input_callback_set(view_port, app_input_callback, event_queue);
+
+	Gui* gui = furi_record_open(RECORD_GUI);
+	gui_add_view_port(gui, view_port, GuiLayerFullscreen);
+
+	InputEvent input_event;
+
+	bool running = true;
+
+	furi_check(furi_hal_usb_set_config(&usb_xbox, NULL));
+	while (true) {
+		furi_check(furi_message_queue_get(event_queue, &input_event, FuriWaitForever) == FuriStatusOk);
+		if (!running) {
+			break;
+		}
+		message = strdup(input_get_type_name(input_event.type));
+        hid_send_report();
+		if (input_event.type == InputTypeRepeat) {
+			// No
+		} else if (input_event.type == InputTypePress) {
+			switch (input_event.key) {
+			case InputKeyLeft:
+				current_surface.buttons = current_surface.buttons | LEFT;
+				break;
+			case InputKeyRight:
+				current_surface.buttons = current_surface.buttons | RIGHT;
+				break;
+			case InputKeyOk:
+				current_surface.buttons = current_surface.buttons | A;
+				break;
+			case InputKeyUp:
+				current_surface.buttons = current_surface.buttons | UP;
+				break;
+			case InputKeyDown:
+				current_surface.buttons = current_surface.buttons | DOWN;
+				break;
+			case InputKeyBack:
+				running = false;
+				break;
+			default:
+				break;
+			}
+		}
+		if (input_event.type == InputTypeRelease) {
+			switch (input_event.key) {
+			case InputKeyLeft:
+				current_surface.buttons = current_surface.buttons & ~ LEFT;
+				break;
+			case InputKeyRight:
+				current_surface.buttons = current_surface.buttons & ~ RIGHT;
+				break;
+			case InputKeyOk:
+				// current_surface.buttons = current_surface.buttons | THE_VOID_ONE;
+                current_surface.buttons = current_surface.buttons & ~ A;
+				break;
+			case InputKeyUp:
+				current_surface.buttons = current_surface.buttons & ~ UP;
+				break;
+			case InputKeyDown:
+				current_surface.buttons = current_surface.buttons & ~ DOWN;
+				break;
+			case InputKeyBack:
+				running = false;
+				break;
+			default:
+				break;
+			}
+		}
+		view_port_update(view_port);
+	}
+	view_port_enabled_set(view_port, false);
+	gui_remove_view_port(gui, view_port);
+	view_port_free(view_port);
+	furi_message_queue_free(event_queue);
+
+	furi_record_close(RECORD_GUI);
+	furi_check(furi_hal_usb_set_config(NULL, NULL));
+
+    // reboot the system to get usb working again
+
+	return 0;
+}