diff options
Diffstat (limited to 'lib/lufa/Projects/Webserver/USBHostMode.c')
| -rw-r--r-- | lib/lufa/Projects/Webserver/USBHostMode.c | 172 | 
1 files changed, 172 insertions, 0 deletions
| diff --git a/lib/lufa/Projects/Webserver/USBHostMode.c b/lib/lufa/Projects/Webserver/USBHostMode.c new file mode 100644 index 0000000000..04190bfe20 --- /dev/null +++ b/lib/lufa/Projects/Webserver/USBHostMode.c @@ -0,0 +1,172 @@ +/* +             LUFA Library +     Copyright (C) Dean Camera, 2017. + +  dean [at] fourwalledcubicle [dot] com +           www.lufa-lib.org +*/ + +/* +  Copyright 2017  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 disclaims 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. +*/ + +/** \file + * + *  USB Host Mode management functions and variables. This file contains the LUFA code required to + *  manage the USB RNDIS host mode. + */ + +#include "USBHostMode.h" + +/** LUFA RNDIS Class driver interface configuration and state information. This structure is + *  passed to all RNDIS Class driver functions, so that multiple instances of the same class + *  within a device can be differentiated from one another. + */ +USB_ClassInfo_RNDIS_Host_t Ethernet_RNDIS_Interface_Host = +	{ +		.Config = +			{ +				.DataINPipe             = +					{ +						.Address        = (PIPE_DIR_IN  | 1), +						.Banks          = 1, +					}, +				.DataOUTPipe            = +					{ +						.Address        = (PIPE_DIR_OUT | 2), +						.Banks          = 1, +					}, +				.NotificationPipe       = +					{ +						.Address        = (PIPE_DIR_IN  | 3), +						.Banks          = 1, +					}, +				.HostMaxPacketSize      = UIP_CONF_BUFFER_SIZE, +			}, +	}; + + +/** USB host mode management task. This function manages the RNDIS Host class driver and uIP stack when the device is + *  initialized in USB host mode. + */ +void USBHostMode_USBTask(void) +{ +	if (USB_CurrentMode != USB_MODE_Host) +	  return; + +	uIPManagement_ManageNetwork(); + +	RNDIS_Host_USBTask(&Ethernet_RNDIS_Interface_Host); +} + +/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and + *  starts the library USB task to begin the enumeration and USB management process. + */ +void EVENT_USB_Host_DeviceAttached(void) +{ +	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); +} + +/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and + *  stops the library USB task management process. + */ +void EVENT_USB_Host_DeviceUnattached(void) +{ +	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); +} + +/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully + *  enumerated by the host and is now ready to be used by the application. + */ +void EVENT_USB_Host_DeviceEnumerationComplete(void) +{ +	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); +		return; +	} + +	if (RNDIS_Host_ConfigurePipes(&Ethernet_RNDIS_Interface_Host, +	                              ConfigDescriptorSize, ConfigDescriptorData) != RNDIS_ENUMERROR_NoError) +	{ +		LEDs_SetAllLEDs(LEDMASK_USB_ERROR); +		return; +	} + +	if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) +	{ +		LEDs_SetAllLEDs(LEDMASK_USB_ERROR); +		return; +	} + +	if (RNDIS_Host_InitializeDevice(&Ethernet_RNDIS_Interface_Host) != HOST_SENDCONTROL_Successful) +	{ +		LEDs_SetAllLEDs(LEDMASK_USB_ERROR); +		USB_Host_SetDeviceConfiguration(0); +		return; +	} + +	uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST); +	if (RNDIS_Host_SetRNDISProperty(&Ethernet_RNDIS_Interface_Host, OID_GEN_CURRENT_PACKET_FILTER, +	                                &PacketFilter, sizeof(PacketFilter)) != HOST_SENDCONTROL_Successful) +	{ +		LEDs_SetAllLEDs(LEDMASK_USB_ERROR); +		USB_Host_SetDeviceConfiguration(0); +		return; +	} + +	if (RNDIS_Host_QueryRNDISProperty(&Ethernet_RNDIS_Interface_Host, OID_802_3_CURRENT_ADDRESS, +	                                  &MACAddress, sizeof(MACAddress)) != HOST_SENDCONTROL_Successful) +	{ +		LEDs_SetAllLEDs(LEDMASK_USB_ERROR); +		USB_Host_SetDeviceConfiguration(0); +		return; +	} + +	/* Initialize uIP stack */ +	uIPManagement_Init(); + +	LEDs_SetAllLEDs(LEDMASK_USB_READY); +} + +/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */ +void EVENT_USB_Host_HostError(const uint8_t ErrorCode) +{ +	USB_Disable(); + +	LEDs_SetAllLEDs(LEDMASK_USB_ERROR); +	for(;;); +} + +/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while + *  enumerating an attached USB device. + */ +void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode) +{ +	LEDs_SetAllLEDs(LEDMASK_USB_ERROR); +} + | 
