diff options
Diffstat (limited to 'Projects')
| -rw-r--r-- | Projects/Incomplete/Webserver/Lib/WebserverApp.c | 131 | ||||
| -rw-r--r-- | Projects/Incomplete/Webserver/Lib/WebserverApp.h | 50 | ||||
| -rw-r--r-- | Projects/Incomplete/Webserver/Lib/uip/conf/apps-conf.h | 25 | ||||
| -rw-r--r-- | Projects/Incomplete/Webserver/Lib/uip/conf/uip-conf.h | 11 | ||||
| -rw-r--r-- | Projects/Incomplete/Webserver/Webserver.c | 80 | ||||
| -rw-r--r-- | Projects/Incomplete/Webserver/Webserver.h | 9 | ||||
| -rw-r--r-- | Projects/Incomplete/Webserver/makefile | 1 |
7 files changed, 240 insertions, 67 deletions
diff --git a/Projects/Incomplete/Webserver/Lib/WebserverApp.c b/Projects/Incomplete/Webserver/Lib/WebserverApp.c new file mode 100644 index 000000000..97218b2be --- /dev/null +++ b/Projects/Incomplete/Webserver/Lib/WebserverApp.c @@ -0,0 +1,131 @@ +/*
+ 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
+ *
+ * Simple HTTP Webserver Application. When connected to the uIP stack,
+ * this will serve out files to HTTP clients.
+ */
+
+#include "WebserverApp.h"
+
+/** HTTP server response header, for transmission before the page contents. This indicates to the host that a page exists at the
+ * given location, and gives extra connection information.
+ */
+char PROGMEM HTTP200Header[] = "HTTP/1.1 200 OK\r\n"
+ "Server: LUFA RNDIS\r\n"
+ "Content-type: text/html\r\n"
+ "Connection: close\r\n\r\n";
+
+/** HTTP server response header, for transmission before a resource not found error. This indicates to the host that the given
+ * given URL is invalid, and gives extra error information.
+ */
+char PROGMEM HTTP404Header[] = "HTTP/1.1 404 Not Found\r\n"
+ "Server: LUFA RNDIS\r\n"
+ "Connection: close\r\n\r\n";
+
+/****************************************************************************************/
+/** HTTP page to serve to the host when a HTTP request is made. This page is too long for a single response, thus it is automatically
+ * broken up into smaller blocks and sent as a series of packets each time the webserver application callback is run.
+ */
+char PROGMEM HTTPPage[] =
+ "<html>"
+ " <head>"
+ " <title>"
+ " LUFA Webserver Demo"
+ " </title>"
+ " </head>"
+ " <body>"
+ " <h1>Hello from your USB AVR!</h1>"
+ " <p>"
+ " Hello! Welcome to the LUFA RNDIS Demo Webserver test page, running on your USB AVR via the LUFA library. This demonstrates the HTTP webserver, TCP/IP stack and RNDIS demo all running atop the LUFA USB stack."
+ " <br /><br />"
+ " <small>Project Information: <a href=\"http://www.fourwalledcubicle.com/LUFA.php\">http://www.fourwalledcubicle.com/LUFA.php</a>.</small>"
+ " <hr />"
+ " <i>LUFA Version: </i>" LUFA_VERSION_STRING
+ " </p>"
+ " </body>"
+ "</html>";
+
+void WebserverAppCallback(void)
+{
+ char* AppDataPtr = (char*)uip_appdata;
+ uint16_t AppDataSize = 0;
+
+ if (uip_closed() || uip_aborted() || uip_timedout())
+ {
+ /* Terminated or completed connection - don't send any new data */
+ return;
+ }
+ else if (uip_connected())
+ {
+ /* New connection - initialize connection state and data pointer to the appropriate HTTP header */
+ uip_conn->appstate.SendPos = HTTP200Header;
+ uip_conn->appstate.CurrentState = WEBSERVER_STATE_SendHeaders;
+ }
+
+ /* Calculate the maximum segment size and remaining data size */
+ uint16_t BytesRemaining = strlen_P(uip_conn->appstate.SendPos);
+ uint16_t MaxSegSize = uip_mss();
+
+ /* No more bytes remaining in the current data being sent - progress to next data chunk or
+ * terminate the connection once all chunks are sent */
+ if (!(BytesRemaining))
+ {
+ /* Check which data chunk we are currently sending (header or data) */
+ if (uip_conn->appstate.CurrentState == WEBSERVER_STATE_SendHeaders)
+ {
+ uip_conn->appstate.SendPos = HTTPPage;
+ uip_conn->appstate.CurrentState = WEBSERVER_STATE_SendData;
+ }
+ else if (uip_conn->appstate.CurrentState == WEBSERVER_STATE_SendData)
+ {
+ uip_close();
+ uip_conn->appstate.CurrentState = WEBSERVER_STATE_Closed;
+ }
+
+ return;
+ }
+ else if (BytesRemaining > MaxSegSize)
+ {
+ AppDataSize = MaxSegSize;
+ }
+ else
+ {
+ AppDataSize = BytesRemaining;
+ }
+
+ /* Copy over the next data segment to the application buffer, advance send position pointer */
+ strncpy_P(uip_appdata, uip_conn->appstate.SendPos, AppDataSize);
+ uip_conn->appstate.SendPos += AppDataSize;
+
+ /* Send the data to the requesting host */
+ uip_send(AppDataPtr, AppDataSize);
+}
diff --git a/Projects/Incomplete/Webserver/Lib/WebserverApp.h b/Projects/Incomplete/Webserver/Lib/WebserverApp.h new file mode 100644 index 000000000..b2696b28f --- /dev/null +++ b/Projects/Incomplete/Webserver/Lib/WebserverApp.h @@ -0,0 +1,50 @@ +/*
+ 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
+ *
+ * Header file for WebserverApp.c.
+ */
+
+#ifndef _WEBSERVER_APP_H_
+#define _WEBSERVER_APP_H_
+
+ /* Includes: */
+ #include <stdio.h>
+ #include <avr/pgmspace.h>
+
+ #include <LUFA/Version.h>
+
+ #include <uip.h>
+
+ /* Function Prototypes: */
+ void WebserverAppCallback(void);
+
+#endif
diff --git a/Projects/Incomplete/Webserver/Lib/uip/conf/apps-conf.h b/Projects/Incomplete/Webserver/Lib/uip/conf/apps-conf.h index 60a7c9eb0..00919f221 100644 --- a/Projects/Incomplete/Webserver/Lib/uip/conf/apps-conf.h +++ b/Projects/Incomplete/Webserver/Lib/uip/conf/apps-conf.h @@ -1,15 +1,20 @@ #ifndef __APPS_CONF_H__
#define __APPS_CONF_H__
-//Here we include the header file for the application(s) we use in our project.
-
-//#include "smtp.h"
-//#include "hello-world.h"
-//#include "simple-httpd.h"
-//#include "telnetd.h"
-//#include "webserver.h"
-//#include "dhcpc.h"
-//#include "resolv.h"
-//#include "webclient.h"
+ enum Webserver_States_t
+ {
+ WEBSERVER_STATE_SendHeaders,
+ WEBSERVER_STATE_SendData,
+ WEBSERVER_STATE_Closed,
+ };
+
+ typedef struct
+ {
+ uint8_t CurrentState;
+ char* SendPos;
+ } uip_tcp_appstate_t;
+
+ #define UIP_APPCALL WebserverAppCallback
+ void UIP_APPCALL(void);
#endif /*__APPS_CONF_H__*/
diff --git a/Projects/Incomplete/Webserver/Lib/uip/conf/uip-conf.h b/Projects/Incomplete/Webserver/Lib/uip/conf/uip-conf.h index d46fa265c..d3d9bc453 100644 --- a/Projects/Incomplete/Webserver/Lib/uip/conf/uip-conf.h +++ b/Projects/Incomplete/Webserver/Lib/uip/conf/uip-conf.h @@ -6,15 +6,6 @@ #include <stdio.h>
#include <stdbool.h>
-typedef int uip_tcp_appstate_t;
-typedef int uip_udp_appstate_t;
-
-#define UIP_APPCALL TCPCallback
-#define UIP_UDP_APPCALL TCPCallback
-
-void UIP_APPCALL(void);
-void UIP_UDP_APPCALL(void);
-
#define UIP_CONF_LLH_LEN 14
/**
@@ -68,7 +59,7 @@ typedef unsigned short uip_stats_t; *
* \hideinitializer
*/
-#define UIP_CONF_BUFFER_SIZE 1100
+#define UIP_CONF_BUFFER_SIZE 1500
/**
* CPU byte order.
*
diff --git a/Projects/Incomplete/Webserver/Webserver.c b/Projects/Incomplete/Webserver/Webserver.c index c706fd08a..74636b8a5 100644 --- a/Projects/Incomplete/Webserver/Webserver.c +++ b/Projects/Incomplete/Webserver/Webserver.c @@ -31,7 +31,7 @@ /** \file
*
* Main source file for the Webserver project. This file contains the main tasks of
- * the demo and is responsible for the initial application hardware configuration.
+ * the project and is responsible for the initial application hardware configuration.
*/
#include "Webserver.h"
@@ -57,20 +57,13 @@ USB_ClassInfo_RNDIS_Host_t Ethernet_RNDIS_Interface = },
};
-struct timer ConnectionTimer, ARPTimer;
-uint16_t MillisecondTickCount;
+/** 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;
-/** ISR for the management of the connection management timeout counter */
-ISR(TIMER0_COMPA_vect, ISR_BLOCK)
-{
- MillisecondTickCount++;
-}
-void TCPCallback(void)
-{
- printf("Callback!\r\n");
-}
-
/** Main program entry point. This routine configures the hardware required by the application, then
* enters a loop to run the application tasks in sequence.
*/
@@ -129,7 +122,7 @@ int main(void) printf("Device Max Transfer Size: %lu bytes.\r\n", Ethernet_RNDIS_Interface.State.DeviceMaxPacketSize);
- uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST | REMOTE_NDIS_PACKET_ALL_MULTICAST);
+ 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)
{
@@ -157,6 +150,8 @@ int main(void) uip_setethaddr(MACAddress);
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+
printf("RNDIS Device Enumerated.\r\n");
USB_HostState = HOST_STATE_Configured;
break;
@@ -179,40 +174,39 @@ void ProcessIncommingPacket(void) LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
/* Read the incomming packet straight into the UIP packet buffer */
- RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, uip_buf, &uip_len);
-
- printf("RECEIVED PACKET (%d):\r\n", uip_len);
- for (uint16_t i = 0; i < uip_len; i++)
- printf("0x%02X ", uip_buf[i]);
- printf("\r\n\r\n");
+ printf("L=%d R=%d\r\n", uip_len, RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, &uip_buf[0], &uip_len));
- struct uip_eth_hdr* EthernetHeader = (struct uip_eth_hdr*)&uip_buf[0];
- if (EthernetHeader->type == HTONS(UIP_ETHTYPE_IP))
+ if (uip_len > 0)
{
- /* Filter packet by MAC destination */
- uip_arp_ipin();
+ bool PacketHandled = true;
- /* Process incomming packet */
- uip_input();
+ 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();
- /* 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();
- }
+ /* Process incomming packet */
+ uip_input();
- /* If a response was generated, send it */
- if (uip_len > 0)
- RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, uip_buf, uip_len);
+ /* 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;
+ }
- printf("SENT PACKET (%d):\r\n", uip_len);
- for (uint16_t i = 0; i < uip_len; i++)
- printf("0x%02X ", uip_buf[i]);
- printf("\r\n\r\n");
+ /* 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);
}
@@ -234,7 +228,7 @@ void ManageConnections(void) /* If a response was generated, send it */
if (uip_len > 0)
- RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, uip_buf, uip_len);
+ RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, &uip_buf[0], uip_len);
}
LEDs_SetAllLEDs(LEDMASK_USB_READY);
diff --git a/Projects/Incomplete/Webserver/Webserver.h b/Projects/Incomplete/Webserver/Webserver.h index ef17d4c87..a2744b827 100644 --- a/Projects/Incomplete/Webserver/Webserver.h +++ b/Projects/Incomplete/Webserver/Webserver.h @@ -30,11 +30,11 @@ /** \file
*
- * Header file for RNDISEthernetHost.c.
+ * Header file for Webserver.c.
*/
-#ifndef _RNDIS_HOST_H_
-#define _RNDIS_HOST_H_
+#ifndef _WEBSERVER_H_
+#define _WEBSERVER_H_
/* Includes: */
#include <avr/io.h>
@@ -54,6 +54,8 @@ #include <uip_arp.h>
#include <timer.h>
+ #include "Lib/WebserverApp.h"
+
/* Macros: */
/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
#define LEDMASK_USB_NOTREADY LEDS_LED1
@@ -74,7 +76,6 @@ void SetupHardware(void);
void ProcessIncommingPacket(void);
void ManageConnections(void);
- void TCPCallback(void);
void EVENT_USB_Host_HostError(const uint8_t ErrorCode);
void EVENT_USB_Host_DeviceAttached(void);
diff --git a/Projects/Incomplete/Webserver/makefile b/Projects/Incomplete/Webserver/makefile index b51e510b6..1e464a040 100644 --- a/Projects/Incomplete/Webserver/makefile +++ b/Projects/Incomplete/Webserver/makefile @@ -122,6 +122,7 @@ LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)" # List C source files here. (C dependencies are automatically generated.)
SRC = $(TARGET).c \
+ Lib/WebserverApp.c \
$(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c \
$(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c \
$(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c \
|