Moved initial completed version of the Webserver project out of the Projects/Incomplete directory.

1 files changed, 298 insertions, 0 deletions

diff --git a/Projects/Webserver/Webserver.c b/Projects/Webserver/Webserver.c
new file mode 100644
index 000000000..1bc658fb4
--- /dev/null
+++ b/Projects/Webserver/Webserver.c
@@ -0,0 +1,298 @@
+/*

+             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

+ *

+ *  Main source file for the Webserver project. This file contains the main tasks of

+ *  the project and is responsible for the initial application hardware configuration.

+ */

+ 

+#include "Webserver.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,

+			},

+	};

+

+/** Connection timer, to retain the time elapsed since the last time the uIP connections were managed. */

+struct timer ConnectionTimer;

+

+/** ARP timer, to retain the time elapsed since the ARP cache was last updated. */

+struct timer ARPTimer;

+

+

+/** Main program entry point. This routine configures the hardware required by the application, then

+ *  enters a loop to run the application tasks in sequence.

+ */

+int main(void)

+{

+	SetupHardware();

+

+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);

+

+	for (;;)

+	{

+		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;

+				}

+				

+				struct uip_eth_addr MACAddress;

+				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;

+				}

+

+				uip_setethaddr(MACAddress);

+				

+				LEDs_SetAllLEDs(LEDMASK_USB_READY);

+				USB_HostState = HOST_STATE_Configured;

+				break;

+			case HOST_STATE_Configured:

+				ProcessIncommingPacket();

+				ManageConnections();

+			

+				break;

+		}

+	

+		RNDIS_Host_USBTask(&Ethernet_RNDIS_Interface);

+		USB_USBTask();

+	}

+}

+

+void ProcessIncommingPacket(void)

+{

+	if (RNDIS_Host_IsPacketReceived(&Ethernet_RNDIS_Interface))

+	{

+		LEDs_SetAllLEDs(LEDMASK_USB_BUSY);

+

+		/* Read the incomming packet straight into the UIP packet buffer */

+		RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, &uip_buf[0], &uip_len);

+

+		if (uip_len > 0)

+		{

+			bool PacketHandled = true;

+

+			struct uip_eth_hdr* EthernetHeader = (struct uip_eth_hdr*)&uip_buf[0];

+			if (EthernetHeader->type == HTONS(UIP_ETHTYPE_IP))

+			{

+				/* Filter packet by MAC destination */

+				uip_arp_ipin();

+

+				/* Process incomming packet */

+				uip_input();

+

+				/* Add destination MAC to outgoing packet */

+				if (uip_len > 0)

+				  uip_arp_out();

+			}

+			else if (EthernetHeader->type == HTONS(UIP_ETHTYPE_ARP))

+			{

+				/* Process ARP packet */

+				uip_arp_arpin();

+			}

+			else

+			{

+				PacketHandled = false;

+			}

+

+			/* If a response was generated, send it */

+			if ((uip_len > 0) && PacketHandled)

+			  RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, &uip_buf[0], uip_len);

+		}

+

+		LEDs_SetAllLEDs(LEDMASK_USB_READY);

+	}

+}

+

+void ManageConnections(void)

+{

+	/* Manage open connections */

+	if (timer_expired(&ConnectionTimer))

+	{

+		timer_reset(&ConnectionTimer);

+

+		LEDs_SetAllLEDs(LEDMASK_USB_BUSY);

+		

+		for (uint8_t i = 0; i < UIP_CONNS; i++)

+		{

+			/* Run periodic connection management for each connection */

+			uip_periodic(i);

+

+			/* If a response was generated, send it */

+			if (uip_len > 0)

+			  RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, &uip_buf[0], uip_len);

+		}

+		

+		LEDs_SetAllLEDs(LEDMASK_USB_READY);

+	}

+

+	/* Manage ARP cache refreshing */

+	if (timer_expired(&ARPTimer))

+	{

+		timer_reset(&ARPTimer);

+		uip_arp_timer();

+	}

+}

+

+/** Configures the board hardware and chip peripherals for the demo's functionality. */

+void SetupHardware(void)

+{

+	/* Disable watchdog if enabled by bootloader/fuses */

+	MCUSR &= ~(1 << WDRF);

+	wdt_disable();

+

+	/* Disable clock division */

+	clock_prescale_set(clock_div_1);

+

+	/* Hardware Initialization */

+	LEDs_Init();

+	USB_Init();

+

+	/* uIP Timing Initialization */

+	clock_init();

+	timer_set(&ConnectionTimer, CLOCK_SECOND / 2);

+	timer_set(&ARPTimer, CLOCK_SECOND * 10);	

+

+	/* uIP Stack Initialization */

+	uip_init();

+	uip_ipaddr_t IPAddress, Netmask, GatewayIPAddress;

+	uip_ipaddr(&IPAddress,        192, 168, 1, 10);

+	uip_ipaddr(&Netmask,          255, 255, 255, 0);

+	uip_ipaddr(&GatewayIPAddress, 192, 168, 1, 1);

+	uip_sethostaddr(&IPAddress);

+	uip_setnetmask(&Netmask);

+	uip_setdraddr(&GatewayIPAddress);

+		

+	/* HTTP Webserver Initialization */

+	WebserverApp_Init();

+}

+

+/** 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);

+}