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Diffstat (limited to 'Projects/Webserver/USBHostMode.c')
-rw-r--r-- | Projects/Webserver/USBHostMode.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/Projects/Webserver/USBHostMode.c b/Projects/Webserver/USBHostMode.c new file mode 100644 index 000000000..14f33e07c --- /dev/null +++ b/Projects/Webserver/USBHostMode.c @@ -0,0 +1,178 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ 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.
+*/
+
+/** \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 =
+ {
+ .Config =
+ {
+ .DataINPipeNumber = 1,
+ .DataINPipeDoubleBank = false,
+
+ .DataOUTPipeNumber = 2,
+ .DataOUTPipeDoubleBank = false,
+
+ .NotificationPipeNumber = 3,
+ .NotificationPipeDoubleBank = false,
+
+ .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;
+
+ switch (USB_HostState)
+ {
+ case 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;
+ break;
+ }
+
+ if (RNDIS_Host_ConfigurePipes(&Ethernet_RNDIS_Interface,
+ ConfigDescriptorSize, ConfigDescriptorData) != RNDIS_ENUMERROR_NoError)
+ {
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;
+ break;
+ }
+
+ if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
+ {
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;
+ break;
+ }
+
+ if (RNDIS_Host_InitializeDevice(&Ethernet_RNDIS_Interface) != HOST_SENDCONTROL_Successful)
+ {
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;
+ break;
+ }
+
+ uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST);
+ if (RNDIS_Host_SetRNDISProperty(&Ethernet_RNDIS_Interface, OID_GEN_CURRENT_PACKET_FILTER,
+ &PacketFilter, sizeof(PacketFilter)) != HOST_SENDCONTROL_Successful)
+ {
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;
+ break;
+ }
+
+ if (RNDIS_Host_QueryRNDISProperty(&Ethernet_RNDIS_Interface, OID_802_3_CURRENT_ADDRESS,
+ &MACAddress, sizeof(MACAddress)) != HOST_SENDCONTROL_Successful)
+ {
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;
+ break;
+ }
+
+ /* Initialize uIP stack */
+ uIPManagement_Init();
+
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+ USB_HostState = HOST_STATE_Configured;
+ break;
+ case HOST_STATE_Configured:
+ uIPManagement_ManageNetwork();
+
+ break;
+ }
+
+ RNDIS_Host_USBTask(&Ethernet_RNDIS_Interface);
+}
+
+/** 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_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_ShutDown();
+
+ 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);
+}
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