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Diffstat (limited to 'Projects/Webserver/USBHostMode.c')
| -rw-r--r-- | Projects/Webserver/USBHostMode.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/Projects/Webserver/USBHostMode.c b/Projects/Webserver/USBHostMode.c new file mode 100644 index 0000000000..04190bfe20 --- /dev/null +++ b/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); +} + |