--- /dev/null
+/*\r
+ FreeRTOS V4.6.1 - copyright (C) 2003-2006 Richard Barry.\r
+\r
+ This file is part of the FreeRTOS distribution.\r
+\r
+ FreeRTOS is free software; you can redistribute it and/or modify\r
+ it under the terms of the GNU General Public License** as published by\r
+ the Free Software Foundation; either version 2 of the License, or\r
+ (at your option) any later version.\r
+\r
+ FreeRTOS is distributed in the hope that it will be useful,\r
+ but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ GNU General Public License for more details.\r
+\r
+ You should have received a copy of the GNU General Public License\r
+ along with FreeRTOS; if not, write to the Free Software\r
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+\r
+ A special exception to the GPL can be applied should you wish to distribute\r
+ a combined work that includes FreeRTOS, without being obliged to provide\r
+ the source code for any proprietary components. See the licensing section\r
+ of http://www.FreeRTOS.org for full details of how and when the exception\r
+ can be applied.\r
+\r
+ ***************************************************************************\r
+ ***************************************************************************\r
+ * *\r
+ * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *\r
+ * *\r
+ * This is a concise, step by step, 'hands on' guide that describes both *\r
+ * general multitasking concepts and FreeRTOS specifics. It presents and *\r
+ * explains numerous examples that are written using the FreeRTOS API. *\r
+ * Full source code for all the examples is provided in an accompanying *\r
+ * .zip file. *\r
+ * *\r
+ ***************************************************************************\r
+ ***************************************************************************\r
+\r
+ Please ensure to read the configuration and relevant port sections of the\r
+ online documentation.\r
+\r
+ http://www.FreeRTOS.org - Documentation, latest information, license and \r
+ contact details.\r
+\r
+ http://www.SafeRTOS.com - A version that is certified for use in safety \r
+ critical systems.\r
+\r
+ http://www.OpenRTOS.com - Commercial support, development, porting, \r
+ licensing and training services.\r
+*/\r
+\r
+/*\r
+ Implements a simplistic WEB server. Every time a connection is made and\r
+ data is received a dynamic page that shows the current TCP/IP statistics\r
+ is generated and returned. The connection is then closed.\r
+\r
+ This file was adapted from a FreeRTOS lwIP slip demo supplied by a third\r
+ party.\r
+*/\r
+\r
+/* ------------------------ System includes ------------------------------- */\r
+#include <stdio.h>\r
+#include <string.h>\r
+\r
+/* ------------------------ FreeRTOS includes ----------------------------- */\r
+#include "FreeRTOS.h"\r
+#include "task.h"\r
+#include "semphr.h"\r
+\r
+/* ------------------------ lwIP includes --------------------------------- */\r
+#include "lwip/api.h"\r
+#include "lwip/tcpip.h"\r
+#include "lwip/memp.h"\r
+#include "lwip/stats.h"\r
+#include "netif/loopif.h"\r
+\r
+/* ------------------------ Project includes ------------------------------ */\r
+#include "mcf5xxx.h"\r
+#include "mcf523x.h"\r
+#include "netif/fec.h"\r
+\r
+#include "web.h"\r
+\r
+/* ------------------------ Defines --------------------------------------- */\r
+/* The size of the buffer in which the dynamic WEB page is created. */\r
+#define webMAX_PAGE_SIZE ( 2048 )\r
+\r
+/* Standard GET response. */\r
+#define webHTTP_OK "HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n"\r
+\r
+/* The port on which we listen. */\r
+#define webHTTP_PORT ( 80 )\r
+\r
+/* Delay on close error. */\r
+#define webSHORT_DELAY ( 10 )\r
+\r
+/* Format of the dynamic page that is returned on each connection. */\r
+#define webHTML_START \\r
+"<html>\\r
+<head>\\r
+</head>\\r
+<BODY onLoad=\"window.setTimeout("location.href='index.html'",1000)\"bgcolor=\"#CCCCff\">\\r
+\r\nPage Hits = "\r
+\r
+#define webHTML_END \\r
+"\r\n" \\r
+"FreeRTOS MCF5235 port (c) 2006 by Christian Walter <wolti@sil.at>\r\n" \\r
+"</pre>\r\n" \\r
+"</BODY>\r\n" \\r
+"</html>"\r
+\r
+/* ------------------------ Prototypes ------------------------------------ */\r
+static void vProcessConnection( struct netconn *pxNetCon );\r
+\r
+/*------------------------------------------------------------*/\r
+\r
+/*\r
+ * Process an incoming connection on port 80.\r
+ *\r
+ * This simply checks to see if the incoming data contains a GET request, and\r
+ * if so sends back a single dynamically created page. The connection is then\r
+ * closed. A more complete implementation could create a task for each\r
+ * connection.\r
+ */\r
+static void\r
+vProcessConnection( struct netconn *pxNetCon )\r
+{\r
+ static char cDynamicPage[webMAX_PAGE_SIZE], cPageHits[11];\r
+ struct netbuf *pxRxBuffer;\r
+ char *pcRxString;\r
+ unsigned short usLength;\r
+ static unsigned long ulPageHits = 0;\r
+\r
+ /* We expect to immediately get data. */\r
+ pxRxBuffer = netconn_recv( pxNetCon );\r
+\r
+ if( pxRxBuffer != NULL )\r
+ {\r
+ /* Where is the data? */\r
+ netbuf_data( pxRxBuffer, ( void * )&pcRxString, &usLength );\r
+\r
+ /* Is this a GET? We don't handle anything else. */\r
+ if( !strncmp( pcRxString, "GET", 3 ) )\r
+ {\r
+ pcRxString = cDynamicPage;\r
+\r
+ /* Update the hit count. */\r
+ ulPageHits++;\r
+ sprintf( cPageHits, "%lu", ulPageHits );\r
+\r
+ /* Write out the HTTP OK header. */\r
+ netconn_write( pxNetCon, webHTTP_OK, ( u16_t ) strlen( webHTTP_OK ), NETCONN_COPY );\r
+\r
+ /* Generate the dynamic page...\r
+\r
+ ... First the page header. */\r
+ strcpy( cDynamicPage, webHTML_START );\r
+ /* ... Then the hit count... */\r
+ strcat( cDynamicPage, cPageHits );\r
+ strcat( cDynamicPage,\r
+ "<p><pre>Task State Priority Stack #<br>************************************************<br>" );\r
+ /* ... Then the list of tasks and their status... */\r
+ vTaskList( ( signed char * )cDynamicPage + strlen( cDynamicPage ) );\r
+ /* ... Finally the page footer. */\r
+ strcat( cDynamicPage, webHTML_END );\r
+\r
+ /* Write out the dynamically generated page. */\r
+ netconn_write( pxNetCon, cDynamicPage, ( u16_t ) strlen( cDynamicPage ), NETCONN_COPY );\r
+ }\r
+\r
+ netbuf_delete( pxRxBuffer );\r
+ }\r
+\r
+ netconn_close( pxNetCon );\r
+}\r
+\r
+/*------------------------------------------------------------*/\r
+\r
+void\r
+vlwIPInit( void )\r
+{\r
+ /* Initialize lwIP and its interface layer. */\r
+ sys_init( );\r
+ mem_init( );\r
+ memp_init( );\r
+ pbuf_init( );\r
+ netif_init( );\r
+ ip_init( );\r
+ tcpip_init( NULL, NULL );\r
+}\r
+\r
+/*------------------------------------------------------------*/\r
+\r
+void\r
+vBasicWEBServer( void *pvParameters )\r
+{\r
+ struct netconn *pxHTTPListener, *pxNewConnection;\r
+ struct ip_addr xIpAddr, xNetMast, xGateway;\r
+ static struct netif fec523x_if;\r
+\r
+ /* Parameters are not used - suppress compiler error. */\r
+ ( void )pvParameters;\r
+\r
+ /* Create and configure the EMAC interface. */\r
+ IP4_ADDR( &xIpAddr, 10, 0, 10, 2 );\r
+ IP4_ADDR( &xNetMast, 255, 255, 255, 0 );\r
+ IP4_ADDR( &xGateway, 10, 0, 10, 1 );\r
+ netif_add( &fec523x_if, &xIpAddr, &xNetMast, &xGateway, NULL, mcf523xfec_init, tcpip_input );\r
+\r
+ /* make it the default interface */\r
+ netif_set_default( &fec523x_if );\r
+\r
+ /* bring it up */\r
+ netif_set_up( &fec523x_if );\r
+\r
+ /* Create a new tcp connection handle */\r
+ pxHTTPListener = netconn_new( NETCONN_TCP );\r
+ netconn_bind( pxHTTPListener, NULL, webHTTP_PORT );\r
+ netconn_listen( pxHTTPListener );\r
+\r
+ /* Loop forever */\r
+ for( ;; )\r
+ {\r
+ /* Wait for connection. */\r
+ pxNewConnection = netconn_accept( pxHTTPListener );\r
+\r
+ if( pxNewConnection != NULL )\r
+ {\r
+ /* Service connection. */\r
+ vProcessConnection( pxNewConnection );\r
+ while( netconn_delete( pxNewConnection ) != ERR_OK )\r
+ {\r
+ vTaskDelay( webSHORT_DELAY );\r
+ }\r
+ }\r
+ }\r
+}\r
projects / freertos / blobdiff