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diff --git a/lib/lufa/Projects/RelayBoard/RelayBoard.c b/lib/lufa/Projects/RelayBoard/RelayBoard.c
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+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2010 OBinou (obconseil [at] gmail [dot] com)
+ 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 RelayBoard program. This file contains the main tasks of
+ * the project and is responsible for the initial application hardware configuration.
+ */
+
+#include "RelayBoard.h"
+
+
+/** Main program entry point. This routine contains the overall program flow, including initial
+ * setup of all components and the main program loop.
+ */
+int main(void)
+{
+ SetupHardware();
+
+ GlobalInterruptEnable();
+
+ for (;;)
+ USB_USBTask();
+}
+
+/** Configures the board hardware and chip peripherals for the project'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 */
+ USB_Init();
+
+ /* Initialize Relays */
+ DDRC |= ALL_RELAYS;
+ PORTC &= ~ALL_RELAYS;
+}
+
+/** Event handler for the library USB Control Request reception event. */
+void EVENT_USB_Device_ControlRequest(void)
+{
+ const uint8_t SerialNumber[5] = { 0, 0, 0, 0, 1 };
+ uint8_t ControlData[2] = { 0, 0 };
+
+ switch (USB_ControlRequest.bRequest)
+ {
+ case 0x09:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ LEDs_ToggleLEDs(LEDS_LED1);
+
+ Endpoint_ClearSETUP();
+
+ Endpoint_Read_Control_Stream_LE(ControlData, sizeof(ControlData));
+ Endpoint_ClearIN();
+
+ switch (USB_ControlRequest.wValue)
+ {
+ case 0x303:
+ if (ControlData[1]) PORTC &= ~RELAY1; else PORTC |= RELAY1;
+ break;
+ case 0x306:
+ if (ControlData[1]) PORTC &= ~RELAY2; else PORTC |= RELAY2;
+ break;
+ case 0x309:
+ if (ControlData[1]) PORTC &= ~RELAY3; else PORTC |= RELAY3;
+ break;
+ case 0x30c:
+ if (ControlData[1]) PORTC &= ~RELAY4; else PORTC |= RELAY4;
+ break;
+ }
+ }
+
+ break;
+ case 0x01:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ LEDs_ToggleLEDs(LEDS_LED1);
+
+ Endpoint_ClearSETUP();
+
+ switch (USB_ControlRequest.wValue)
+ {
+ case 0x301:
+ Endpoint_Write_Control_Stream_LE(SerialNumber, sizeof(SerialNumber));
+ break;
+ case 0x303:
+ ControlData[1] = (PORTC & RELAY1) ? 2 : 3;
+ break;
+ case 0x306:
+ ControlData[1] = (PORTC & RELAY2) ? 2 : 3;
+ break;
+ case 0x309:
+ ControlData[1] = (PORTC & RELAY3) ? 2 : 3;
+ break;
+ case 0x30c:
+ ControlData[1] = (PORTC & RELAY4) ? 2 : 3;
+ break;
+ }
+
+ if (ControlData[1])
+ Endpoint_Write_Control_Stream_LE(ControlData, sizeof(ControlData));
+
+ Endpoint_ClearOUT();
+ }
+
+ break;
+ }
+}
+