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	 782614dbb5
			
		
	
	
		782614dbb5
		
	
	
	
	
		
			
			Tighten up the HID class bootloader code slightly, document that it currently exceeds 2KB of bootloader space for all models other than the Series 2 USB AVRs.
		
			
				
	
	
		
			130 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|              LUFA Library
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|      Copyright (C) Dean Camera, 2011.
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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 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
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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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| #include "DiskHost.h"
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| 
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| #if defined(USB_CAN_BE_HOST)
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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_Host_t DiskHost_MS_Interface =
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| 	{
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| 		.Config =
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| 			{
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| 				.DataINPipeNumber       = 1,
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| 				.DataINPipeDoubleBank   = false,
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| 
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| 				.DataOUTPipeNumber      = 2,
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| 				.DataOUTPipeDoubleBank  = false,
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| 			},
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| 	};
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| 
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| 
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| void DiskHost_USBTask(void)
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| {
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| 	if (USB_HostState == HOST_STATE_Addressed)
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| 	{
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| 		LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
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| 
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| 		uint16_t ConfigDescriptorSize;
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| 		uint8_t  ConfigDescriptorData[512];
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| 
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| 		if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
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| 											   sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
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| 		{
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| 			LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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| 			USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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| 			return;
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| 		}
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| 
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| 		if (MS_Host_ConfigurePipes(&DiskHost_MS_Interface,
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| 		                           ConfigDescriptorSize, ConfigDescriptorData) != MS_ENUMERROR_NoError)
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| 		{
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| 			LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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| 			USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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| 			return;
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| 		}
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| 
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| 		if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
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| 		{
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| 			LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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| 			USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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| 			return;
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| 		}
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| 
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| 		uint8_t MaxLUNIndex;
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| 		if (MS_Host_GetMaxLUN(&DiskHost_MS_Interface, &MaxLUNIndex))
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| 		{
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| 			LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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| 			USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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| 			return;
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| 		}
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| 
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| 		if (MS_Host_ResetMSInterface(&DiskHost_MS_Interface))
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| 		{
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| 			LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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| 			USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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| 			return;
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| 		}
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| 
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| 		USB_HostState = HOST_STATE_Configured;
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| 
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| 		/* Note: For the RequestSense call to work, the host state machine must be in the
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| 		 *       Configured state, or the call will be aborted */
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| 		SCSI_Request_Sense_Response_t SenseData;
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| 		if (MS_Host_RequestSense(&DiskHost_MS_Interface, 0, &SenseData) != 0)
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| 		{
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| 			LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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| 			USB_HostState = HOST_STATE_WaitForDeviceRemoval;
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| 			return;
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| 		}
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| 
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| 		pf_mount(&DiskFATState);
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| 
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| 		LEDs_SetAllLEDs(LEDMASK_USB_READY);
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| 	}
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| 
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| 	MS_Host_USBTask(&DiskHost_MS_Interface);
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| }
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| 
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| void EVENT_USB_Host_DeviceAttached(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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| void EVENT_USB_Host_DeviceUnattached(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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| #endif
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| 
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