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diff --git a/Demos/Host/LowLevel/MouseHost/MouseHost.c b/Demos/Host/LowLevel/MouseHost/MouseHost.c
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+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Main source file for the MouseHost demo. This file contains the main tasks of
+ * the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "MouseHost.h"
+
+/** Main program entry point. This routine configures the hardware required by the application, then
+ * enters a loop to run the application tasks in sequence.
+ */
+int main(void)
+{
+ SetupHardware();
+
+ puts_P(PSTR(ESC_FG_CYAN "Mouse HID Host Demo running.\r\n" ESC_FG_WHITE));
+
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+ GlobalInterruptEnable();
+
+ for (;;)
+ {
+ MouseHost_Task();
+
+ USB_USBTask();
+ }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+#if (ARCH == ARCH_AVR8)
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ /* Disable clock division */
+ clock_prescale_set(clock_div_1);
+#endif
+
+ /* Hardware Initialization */
+ Serial_Init(9600, false);
+ LEDs_Init();
+ USB_Init();
+
+ /* Create a stdio stream for the serial port for stdin and stdout */
+ Serial_CreateStream(NULL);
+}
+
+/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
+ * starts the library USB task to begin the enumeration and USB management process.
+ */
+void EVENT_USB_Host_DeviceAttached(void)
+{
+ puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
+ * stops the library USB task management process.
+ */
+void EVENT_USB_Host_DeviceUnattached(void)
+{
+ puts_P(PSTR(ESC_FG_GREEN "Device Unattached.\r\n" ESC_FG_WHITE));
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
+ * enumerated by the host and is now ready to be used by the application.
+ */
+void EVENT_USB_Host_DeviceEnumerationComplete(void)
+{
+ puts_P(PSTR("Getting Config Data.\r\n"));
+
+ uint8_t ErrorCode;
+
+ /* Get and process the configuration descriptor data */
+ if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
+ {
+ if (ErrorCode == ControlError)
+ puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
+ else
+ puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
+
+ printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
+ if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
+ {
+ printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
+ " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ /* HID class request to set the mouse protocol to the Boot Protocol */
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = HID_REQ_SetProtocol,
+ .wValue = 0,
+ .wIndex = 0,
+ .wLength = 0,
+ };
+
+ /* Select the control pipe for the request transfer */
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+ /* Send the request, display error and wait for device detach if request fails */
+ if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
+ {
+ printf_P(PSTR(ESC_FG_RED "Control Error (Set Protocol).\r\n"
+ " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ puts_P(PSTR("Mouse Enumerated.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+}
+
+/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
+{
+ USB_Disable();
+
+ printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
+ " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ for(;;);
+}
+
+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
+ * enumerating an attached USB device.
+ */
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
+ const uint8_t SubErrorCode)
+{
+ printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
+ " -- Error Code %d\r\n"
+ " -- Sub Error Code %d\r\n"
+ " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+/** Reads in and processes the next report from the attached device, displaying the report
+ * contents on the board LEDs and via the serial port.
+ */
+void MouseHost_Task(void)
+{
+ if (USB_HostState != HOST_STATE_Configured)
+ return;
+
+ USB_MouseReport_Data_t MouseReport;
+ uint8_t LEDMask = LEDS_NO_LEDS;
+
+ /* Select mouse data pipe */
+ Pipe_SelectPipe(MOUSE_DATA_IN_PIPE);
+
+ /* Unfreeze mouse data pipe */
+ Pipe_Unfreeze();
+
+ /* Check to see if a packet has been received */
+ if (!(Pipe_IsINReceived()))
+ {
+ /* No packet received (no movement), turn off LEDs */
+ LEDs_SetAllLEDs(LEDS_NO_LEDS);
+
+ /* Refreeze HID data IN pipe */
+ Pipe_Freeze();
+
+ return;
+ }
+
+ /* Ensure pipe contains data before trying to read from it */
+ if (Pipe_IsReadWriteAllowed())
+ {
+ /* Read in mouse report data */
+ Pipe_Read_Stream_LE(&MouseReport, sizeof(MouseReport), NULL);
+
+ /* Alter status LEDs according to mouse X movement */
+ if (MouseReport.X > 0)
+ LEDMask |= LEDS_LED1;
+ else if (MouseReport.X < 0)
+ LEDMask |= LEDS_LED2;
+
+ /* Alter status LEDs according to mouse Y movement */
+ if (MouseReport.Y > 0)
+ LEDMask |= LEDS_LED3;
+ else if (MouseReport.Y < 0)
+ LEDMask |= LEDS_LED4;
+
+ /* Alter status LEDs according to mouse button position */
+ if (MouseReport.Button)
+ LEDMask = LEDS_ALL_LEDS;
+
+ LEDs_SetAllLEDs(LEDMask);
+
+ /* Print mouse report data through the serial port */
+ printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X,
+ MouseReport.Y,
+ MouseReport.Button);
+ }
+
+ /* Clear the IN endpoint, ready for next data packet */
+ Pipe_ClearIN();
+
+ /* Refreeze mouse data pipe */
+ Pipe_Freeze();
+}
+