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qmk_firmware/Projects/Webserver/Lib/WebserverApp.c

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Fix up the incomplete Webserver project so that it integrates with the uIP stack correctly. Add simple HTTP webserver as a placeholder until FatFS can be integrated. Begin to look into the RNDIS Host Class Driver, which seems to crash on test hardware after many packets have been received.
15 years ago
/*
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";
Add Webserver project Doxygen configuration file and overview document. Fix Doxygen configuration files' input file exclusion filters.
15 years ago
/** Static HTTP page to serve to the host when a HTTP request is made from a host. */
Fix up the incomplete Webserver project so that it integrates with the uIP stack correctly. Add simple HTTP webserver as a placeholder until FatFS can be integrated. Begin to look into the RNDIS Host Class Driver, which seems to crash on test hardware after many packets have been received.
15 years ago
char PROGMEM HTTPPage[] =
"<html>"
" <head>"
" <title>"
" LUFA Webserver Demo"
" </title>"
" </head>"
" <body>"
" <h1>Hello from your USB AVR!</h1>"
" <p>"
Fixed CDC and RNDIS host demos and class drivers - bidirectional endpoints should use two seperate pipes, not one half-duplex pipe.
15 years ago
" Hello! Welcome to the LUFA RNDIS Demo Webserver test page, running on your USB AVR via the LUFA library and uIP TCP/IP network stack. This"
" demonstrates a simple HTTP webserver serving out pages to HTTP clients."
Fix up the incomplete Webserver project so that it integrates with the uIP stack correctly. Add simple HTTP webserver as a placeholder until FatFS can be integrated. Begin to look into the RNDIS Host Class Driver, which seems to crash on test hardware after many packets have been received.
15 years ago
" <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>";
Neaten Webserver project code.
15 years ago
/** Initialization function for the simple HTTP webserver. */
void WebserverApp_Init(void)
{
/* Listen on port 80 for HTTP connections from hosts */
uip_listen(HTONS(80));
}
/** uIP stack application callback for the simple HTTP webserver. This function must be called each time the
* TCP/IP stack needs a TCP packet to be processed.
*/
void WebserverApp_Callback(void)
Fix up the incomplete Webserver project so that it integrates with the uIP stack correctly. Add simple HTTP webserver as a placeholder until FatFS can be integrated. Begin to look into the RNDIS Host Class Driver, which seems to crash on test hardware after many packets have been received.
15 years ago
{
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)
{
Neaten Webserver project code.
15 years ago
/* More bytes remaining to send than the maximum segment size, send next chunk */
Fix up the incomplete Webserver project so that it integrates with the uIP stack correctly. Add simple HTTP webserver as a placeholder until FatFS can be integrated. Begin to look into the RNDIS Host Class Driver, which seems to crash on test hardware after many packets have been received.
15 years ago
AppDataSize = MaxSegSize;
}
else
{
Neaten Webserver project code.
15 years ago
/* Less bytes than the segment size remaining, send all remaining bytes in the one packet */
Fix up the incomplete Webserver project so that it integrates with the uIP stack correctly. Add simple HTTP webserver as a placeholder until FatFS can be integrated. Begin to look into the RNDIS Host Class Driver, which seems to crash on test hardware after many packets have been received.
15 years ago
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);
}