diff options
Diffstat (limited to 'FreeRTOS/Demo/uIP_Demo_IAR_ARM7/uIP_Task.c')
| -rw-r--r-- | FreeRTOS/Demo/uIP_Demo_IAR_ARM7/uIP_Task.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/FreeRTOS/Demo/uIP_Demo_IAR_ARM7/uIP_Task.c b/FreeRTOS/Demo/uIP_Demo_IAR_ARM7/uIP_Task.c deleted file mode 100644 index ddb648edd..000000000 --- a/FreeRTOS/Demo/uIP_Demo_IAR_ARM7/uIP_Task.c +++ /dev/null @@ -1,207 +0,0 @@ -/*
- * Modified from an original work that is Copyright (c) 2001-2003, Adam Dunkels.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This file is part of the uIP TCP/IP stack.
- *
- * $Id: main.c,v 1.10.2.4 2003/10/21 21:27:51 adam Exp $
- *
- */
-
-/* Standard includes. */
-#include <stdlib.h>
-#include <stdio.h>
-
-/* Scheduler includes. */
-#include "FreeRTOS.h"
-#include "semphr.h"
-#include "task.h"
-
-/* Demo app includes. */
-#include "SAM7_EMAC.h"
-
-/* uIP includes. */
-#undef HTONS
-#include "uip.h"
-#include "uip_arp.h"
-#include "tapdev.h"
-#include "httpd.h"
-
-/* The start of the uIP buffer, which will contain the frame headers. */
-#define pucUIP_Buffer ( ( struct uip_eth_hdr * ) &uip_buf[ 0 ] )
-
-/* uIP update frequencies. */
-#define RT_CLOCK_SECOND ( configTICK_RATE_HZ )
-#define uipARP_FREQUENCY ( 20 )
-#define uipMAX_BLOCK_TIME ( RT_CLOCK_SECOND / 4 )
-
-/*-----------------------------------------------------------*/
-
-void vuIP_TASK( void *pvParameters )
-{
-/* The semaphore used by the EMAC ISR to indicate that an Rx frame is ready
-for processing. */
-SemaphoreHandle_t xSemaphore = NULL;
-portBASE_TYPE xARPTimer;
-unsigned portBASE_TYPE uxPriority;
-static volatile TickType_t xStartTime, xCurrentTime;
-
- /* Initialize the uIP TCP/IP stack. */
- uip_init();
- uip_arp_init();
-
- /* Initialize the HTTP server. */
- httpd_init();
-
- /* Initialise the local timers. */
- xStartTime = xTaskGetTickCount();
- xARPTimer = 0;
-
- /* Initialise the EMAC. A semaphore will be returned when this is
- successful. This routine contains code that polls status bits. If the
- Ethernet cable is not plugged in then this can take a considerable time.
- To prevent this starving lower priority tasks of processing time we
- lower our priority prior to the call, then raise it back again once the
- initialisation is complete. */
- uxPriority = uxTaskPriorityGet( NULL );
- vTaskPrioritySet( NULL, tskIDLE_PRIORITY );
- while( xSemaphore == NULL )
- {
- xSemaphore = xEMACInit();
- }
- vTaskPrioritySet( NULL, uxPriority );
-
- for( ;; )
- {
- /* Let the network device driver read an entire IP packet
- into the uip_buf. If it returns > 0, there is a packet in the
- uip_buf buffer. */
- uip_len = ulEMACPoll();
-
- /* Was a packet placed in the uIP buffer? */
- if( uip_len > 0 )
- {
- /* A packet is present in the uIP buffer. We call the
- appropriate ARP functions depending on what kind of packet we
- have received. If the packet is an IP packet, we should call
- uip_input() as well. */
- if( pucUIP_Buffer->type == htons( UIP_ETHTYPE_IP ) )
- {
- uip_arp_ipin();
- uip_input();
-
- /* If the above function invocation resulted in data that
- should be sent out on the network, the global variable
- uip_len is set to a value > 0. */
- if( uip_len > 0 )
- {
- uip_arp_out();
- lEMACSend();
- }
- }
- else if( pucUIP_Buffer->type == htons( UIP_ETHTYPE_ARP ) )
- {
- uip_arp_arpin();
-
- /* If the above function invocation resulted in data that
- should be sent out on the network, the global variable
- uip_len is set to a value > 0. */
- if( uip_len > 0 )
- {
- lEMACSend();
- }
- }
- }
- else
- {
- /* The poll function returned 0, so no packet was
- received. Instead we check if it is time that we do the
- periodic processing. */
- xCurrentTime = xTaskGetTickCount();
-
- if( ( xCurrentTime - xStartTime ) >= RT_CLOCK_SECOND )
- {
- portBASE_TYPE i;
-
- /* Reset the timer. */
- xStartTime = xCurrentTime;
-
- /* Periodic check of all connections. */
- for( i = 0; i < UIP_CONNS; i++ )
- {
- uip_periodic( i );
-
- /* If the above function invocation resulted in data that
- should be sent out on the network, the global variable
- uip_len is set to a value > 0. */
- if( uip_len > 0 )
- {
- uip_arp_out();
- lEMACSend();
- }
- }
-
- #if UIP_UDP
- for( i = 0; i < UIP_UDP_CONNS; i++ )
- {
- uip_udp_periodic( i );
-
- /* If the above function invocation resulted in data that
- should be sent out on the network, the global variable
- uip_len is set to a value > 0. */
- if( uip_len > 0 )
- {
- uip_arp_out();
- tapdev_send();
- }
- }
- #endif /* UIP_UDP */
-
- /* Periodically call the ARP timer function. */
- if( ++xARPTimer == uipARP_FREQUENCY )
- {
- uip_arp_timer();
- xARPTimer = 0;
- }
- }
- else
- {
- /* We did not receive a packet, and there was no periodic
- processing to perform. Block for a fixed period. If a packet
- is received during this period we will be woken by the ISR
- giving us the Semaphore. */
- xSemaphoreTake( xSemaphore, uipMAX_BLOCK_TIME );
- }
- }
- }
-}
-/*-----------------------------------------------------------------------------------*/
-
-
-
-
-
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