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							260 lines
						
					
					
						
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				| /*
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|              LUFA Library
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|      Copyright (C) Dean Camera, 2012.
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| 
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|   dean [at] fourwalledcubicle [dot] com
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|            www.lufa-lib.org
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| */
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| 
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| /*
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|   Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
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|   Copyright 2010  Matthias Hullin (lufa [at] matthias [dot] hullin [dot] net)
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| 
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|   Permission to use, copy, modify, distribute, and sell this
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|   software and its documentation for any purpose is hereby granted
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|   without fee, provided that the above copyright notice appear in
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|   all copies and that both that the copyright notice and this
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|   permission notice and warranty disclaimer appear in supporting
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|   documentation, and that the name of the author not be used in
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|   advertising or publicity pertaining to distribution of the
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|   software without specific, written prior permission.
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| 
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|   The author disclaim all warranties with regard to this
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|   software, including all implied warranties of merchantability
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|   and fitness.  In no event shall the author be liable for any
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|   special, indirect or consequential damages or any damages
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|   whatsoever resulting from loss of use, data or profits, whether
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|   in an action of contract, negligence or other tortious action,
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|   arising out of or in connection with the use or performance of
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|   this software.
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| */
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| 
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| /** \file
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|  *
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|  *  Main source file for the MassStorageKeyboard demo. This file contains the main tasks of
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|  *  the demo and is responsible for the initial application hardware configuration.
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|  */
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| 
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| #include "MassStorageKeyboard.h"
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| 
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| /** LUFA Mass Storage Class driver interface configuration and state information. This structure is
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|  *  passed to all Mass Storage Class driver functions, so that multiple instances of the same class
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|  *  within a device can be differentiated from one another.
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|  */
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| USB_ClassInfo_MS_Device_t Disk_MS_Interface =
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| 	{
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| 		.Config =
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| 			{
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| 				.InterfaceNumber           = 0,
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| 				.DataINEndpoint            =
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| 					{
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| 						.Address           = MASS_STORAGE_IN_EPADDR,
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| 						.Size              = MASS_STORAGE_IO_EPSIZE,
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| 						.Banks             = 1,
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| 					},
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| 				.DataOUTEndpoint            =
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| 					{
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| 						.Address           = MASS_STORAGE_OUT_EPADDR,
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| 						.Size              = MASS_STORAGE_IO_EPSIZE,
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| 						.Banks             = 1,
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| 					},
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| 				.TotalLUNs                 = TOTAL_LUNS,
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| 			},
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| 	};
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| 
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| /** Buffer to hold the previously generated Keyboard HID report, for comparison purposes inside the HID class driver. */
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| static uint8_t PrevKeyboardHIDReportBuffer[sizeof(USB_KeyboardReport_Data_t)];
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| 
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| /** LUFA HID Class driver interface configuration and state information. This structure is
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|  *  passed to all HID Class driver functions, so that multiple instances of the same class
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|  *  within a device can be differentiated from one another.
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|  */
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| USB_ClassInfo_HID_Device_t Keyboard_HID_Interface =
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|  	{
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| 		.Config =
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| 			{
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| 				.InterfaceNumber              = 1,
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| 				.ReportINEndpoint             =
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| 					{
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| 						.Address              = KEYBOARD_EPADDR,
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| 						.Size                 = KEYBOARD_EPSIZE,
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| 						.Banks                = 1,
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| 					},
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| 				.PrevReportINBuffer           = PrevKeyboardHIDReportBuffer,
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| 				.PrevReportINBufferSize       = sizeof(PrevKeyboardHIDReportBuffer),
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| 			},
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|     };
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| 
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| /** Main program entry point. This routine contains the overall program flow, including initial
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|  *  setup of all components and the main program loop.
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|  */
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| int main(void)
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| {
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| 	SetupHardware();
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| 
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| 	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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| 	sei();
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| 
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| 	for (;;)
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| 	{
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| 		MS_Device_USBTask(&Disk_MS_Interface);
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| 		HID_Device_USBTask(&Keyboard_HID_Interface);
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| 		USB_USBTask();
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| 	}
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| }
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| 
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| /** Configures the board hardware and chip peripherals for the demo's functionality. */
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| void SetupHardware(void)
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| {
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| 	/* Disable watchdog if enabled by bootloader/fuses */
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| 	MCUSR &= ~(1 << WDRF);
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| 	wdt_disable();
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| 
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| 	/* Disable clock division */
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| 	clock_prescale_set(clock_div_1);
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| 
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| 	/* Hardware Initialization */
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| 	LEDs_Init();
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| 	Joystick_Init();
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| 	Buttons_Init();
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| 	SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING | SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
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| 	Dataflash_Init();
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| 	USB_Init();
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| 
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| 	/* Check if the Dataflash is working, abort if not */
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| 	if (!(DataflashManager_CheckDataflashOperation()))
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| 	{
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| 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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| 		for(;;);
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| 	}
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| 
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| 	/* Clear Dataflash sector protections, if enabled */
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| 	DataflashManager_ResetDataflashProtections();
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| }
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| 
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| /** Event handler for the library USB Connection event. */
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| void EVENT_USB_Device_Connect(void)
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| {
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| 	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
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| }
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| 
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| /** Event handler for the library USB Disconnection event. */
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| void EVENT_USB_Device_Disconnect(void)
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| {
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| 	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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| }
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| 
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| /** Event handler for the library USB Configuration Changed event. */
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| void EVENT_USB_Device_ConfigurationChanged(void)
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| {
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| 	bool ConfigSuccess = true;
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| 
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| 	ConfigSuccess &= HID_Device_ConfigureEndpoints(&Keyboard_HID_Interface);
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| 	ConfigSuccess &= MS_Device_ConfigureEndpoints(&Disk_MS_Interface);
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| 
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| 	USB_Device_EnableSOFEvents();
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| 
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| 	LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
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| }
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| 
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| /** Event handler for the library USB Control Request reception event. */
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| void EVENT_USB_Device_ControlRequest(void)
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| {
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| 	MS_Device_ProcessControlRequest(&Disk_MS_Interface);
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| 	HID_Device_ProcessControlRequest(&Keyboard_HID_Interface);
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| }
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| 
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| /** Mass Storage class driver callback function the reception of SCSI commands from the host, which must be processed.
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|  *
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|  *  \param[in] MSInterfaceInfo  Pointer to the Mass Storage class interface configuration structure being referenced
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|  */
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| bool CALLBACK_MS_Device_SCSICommandReceived(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
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| {
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| 	bool CommandSuccess;
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| 
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| 	LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
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| 	CommandSuccess = SCSI_DecodeSCSICommand(MSInterfaceInfo);
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| 	LEDs_SetAllLEDs(LEDMASK_USB_READY);
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| 
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| 	return CommandSuccess;
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| }
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| 
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| /** Event handler for the USB device Start Of Frame event. */
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| void EVENT_USB_Device_StartOfFrame(void)
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| {
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|     HID_Device_MillisecondElapsed(&Keyboard_HID_Interface);
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| }
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| 
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| /** HID class driver callback function for the creation of HID reports to the host.
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|  *
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|  *  \param[in]     HIDInterfaceInfo  Pointer to the HID class interface configuration structure being referenced
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|  *  \param[in,out] ReportID    Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
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|  *  \param[in]     ReportType  Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature
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|  *  \param[out]    ReportData  Pointer to a buffer where the created report should be stored
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|  *  \param[out]    ReportSize  Number of bytes written in the report (or zero if no report is to be sent)
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|  *
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|  *  \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
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|  */
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| bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
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|                                          uint8_t* const ReportID,
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|                                          const uint8_t ReportType,
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|                                          void* ReportData,
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|                                          uint16_t* const ReportSize)
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| {
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| 	USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
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| 
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| 	uint8_t JoyStatus_LCL    = Joystick_GetStatus();
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| 	uint8_t ButtonStatus_LCL = Buttons_GetStatus();
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| 
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| 	KeyboardReport->Modifier = HID_KEYBOARD_MODIFIER_LEFTSHIFT;
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| 
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| 	if (JoyStatus_LCL & JOY_UP)
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| 	  KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_A;
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| 	else if (JoyStatus_LCL & JOY_DOWN)
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| 	  KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_B;
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| 
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| 	if (JoyStatus_LCL & JOY_LEFT)
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| 	  KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_C;
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| 	else if (JoyStatus_LCL & JOY_RIGHT)
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| 	  KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_D;
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| 
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| 	if (JoyStatus_LCL & JOY_PRESS)
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| 	  KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_E;
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| 
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| 	if (ButtonStatus_LCL & BUTTONS_BUTTON1)
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| 	  KeyboardReport->KeyCode[0] = HID_KEYBOARD_SC_F;
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| 
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| 	*ReportSize = sizeof(USB_KeyboardReport_Data_t);
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| 	return false;
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| }
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| 
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| /** HID class driver callback function for the processing of HID reports from the host.
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|  *
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|  *  \param[in] HIDInterfaceInfo  Pointer to the HID class interface configuration structure being referenced
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|  *  \param[in] ReportID    Report ID of the received report from the host
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|  *  \param[in] ReportType  The type of report that the host has sent, either HID_REPORT_ITEM_Out or HID_REPORT_ITEM_Feature
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|  *  \param[in] ReportData  Pointer to a buffer where the received report has been stored
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|  *  \param[in] ReportSize  Size in bytes of the received HID report
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|  */
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| void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
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|                                           const uint8_t ReportID,
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|                                           const uint8_t ReportType,
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|                                           const void* ReportData,
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|                                           const uint16_t ReportSize)
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| {
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| 	uint8_t  LEDMask   = LEDS_NO_LEDS;
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| 	uint8_t* LEDReport = (uint8_t*)ReportData;
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| 
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| 	if (*LEDReport & HID_KEYBOARD_LED_NUMLOCK)
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| 	  LEDMask |= LEDS_LED1;
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| 
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| 	if (*LEDReport & HID_KEYBOARD_LED_CAPSLOCK)
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| 	  LEDMask |= LEDS_LED3;
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| 
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| 	if (*LEDReport & HID_KEYBOARD_LED_SCROLLLOCK)
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| 	  LEDMask |= LEDS_LED4;
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| 
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| 	LEDs_SetAllLEDs(LEDMask);
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| }
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| 
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