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129 lines
3.6 KiB
129 lines
3.6 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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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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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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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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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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#include "DiskHost.h"
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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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.DataOUTPipeNumber = 2,
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.DataOUTPipeDoubleBank = false,
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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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uint16_t ConfigDescriptorSize;
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uint8_t ConfigDescriptorData[512];
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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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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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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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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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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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USB_HostState = HOST_STATE_Configured;
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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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pf_mount(&DiskFATState);
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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}
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MS_Host_USBTask(&DiskHost_MS_Interface);
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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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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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#endif
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