173 líneas
5.3 KiB
C
173 líneas
5.3 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2014.
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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 2014 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 disclaims 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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/** \file
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*
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* USB Host Mode management functions and variables. This file contains the LUFA code required to
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* manage the USB RNDIS host mode.
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*/
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#include "USBHostMode.h"
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/** LUFA RNDIS Class driver interface configuration and state information. This structure is
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* passed to all RNDIS 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_RNDIS_Host_t Ethernet_RNDIS_Interface_Host =
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{
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.Config =
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{
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.DataINPipe =
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{
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.Address = (PIPE_DIR_IN | 1),
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.Banks = 1,
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},
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.DataOUTPipe =
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{
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.Address = (PIPE_DIR_OUT | 2),
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.Banks = 1,
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},
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.NotificationPipe =
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{
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.Address = (PIPE_DIR_IN | 3),
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.Banks = 1,
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},
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.HostMaxPacketSize = UIP_CONF_BUFFER_SIZE,
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},
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};
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/** USB host mode management task. This function manages the RNDIS Host class driver and uIP stack when the device is
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* initialized in USB host mode.
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*/
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void USBHostMode_USBTask(void)
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{
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if (USB_CurrentMode != USB_MODE_Host)
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return;
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uIPManagement_ManageNetwork();
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RNDIS_Host_USBTask(&Ethernet_RNDIS_Interface_Host);
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}
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/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
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* starts the library USB task to begin the enumeration and USB management process.
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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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/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
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* stops the library USB task management process.
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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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/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
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* enumerated by the host and is now ready to be used by the application.
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*/
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void EVENT_USB_Host_DeviceEnumerationComplete(void)
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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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return;
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}
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if (RNDIS_Host_ConfigurePipes(&Ethernet_RNDIS_Interface_Host,
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ConfigDescriptorSize, ConfigDescriptorData) != RNDIS_ENUMERROR_NoError)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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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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return;
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}
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if (RNDIS_Host_InitializeDevice(&Ethernet_RNDIS_Interface_Host) != HOST_SENDCONTROL_Successful)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_Host_SetDeviceConfiguration(0);
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return;
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}
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uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST);
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if (RNDIS_Host_SetRNDISProperty(&Ethernet_RNDIS_Interface_Host, OID_GEN_CURRENT_PACKET_FILTER,
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&PacketFilter, sizeof(PacketFilter)) != HOST_SENDCONTROL_Successful)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_Host_SetDeviceConfiguration(0);
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return;
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}
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if (RNDIS_Host_QueryRNDISProperty(&Ethernet_RNDIS_Interface_Host, OID_802_3_CURRENT_ADDRESS,
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&MACAddress, sizeof(MACAddress)) != HOST_SENDCONTROL_Successful)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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USB_Host_SetDeviceConfiguration(0);
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return;
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}
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/* Initialize uIP stack */
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uIPManagement_Init();
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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}
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/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
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void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
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{
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USB_Disable();
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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for(;;);
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}
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/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
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* enumerating an attached USB device.
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*/
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void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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}
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