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/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2010 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 disclaim 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.
*/
#include "DiskHost.h"
#if defined(USB_CAN_BE_HOST)
/** LUFA Mass Storage Class driver interface configuration and state information. This structure is
* passed to all Mass Storage Class driver functions, so that multiple instances of the same class
* within a device can be differentiated from one another.
*/
USB_ClassInfo_MS_Host_t DiskHost_MS_Interface =
{
.Config =
{
.DataINPipeNumber = 1,
.DataINPipeDoubleBank = false,
.DataOUTPipeNumber = 2,
.DataOUTPipeDoubleBank = false,
},
};
void DiskHost_USBTask(void)
{
if (USB_HostState == HOST_STATE_Addressed)
{
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
uint16_t ConfigDescriptorSize;
uint8_t ConfigDescriptorData[512];
if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
if (MS_Host_ConfigurePipes(&DiskHost_MS_Interface,
ConfigDescriptorSize, ConfigDescriptorData) != MS_ENUMERROR_NoError)
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
uint8_t MaxLUNIndex;
if (MS_Host_GetMaxLUN(&DiskHost_MS_Interface, &MaxLUNIndex))
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
if (MS_Host_ResetMSInterface(&DiskHost_MS_Interface))
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
USB_HostState = HOST_STATE_Configured;
/* Note: For the RequestSense call to work, the host state machine must be in the
* Configured state, or the call will be aborted */
SCSI_Request_Sense_Response_t SenseData;
if (MS_Host_RequestSense(&DiskHost_MS_Interface, 0, &SenseData) != 0)
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
pf_mount(&DiskFATState);
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
MS_Host_USBTask(&DiskHost_MS_Interface);
}
void EVENT_USB_Host_DeviceAttached(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
}
void EVENT_USB_Host_DeviceUnattached(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
}
#endif
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