diff options
Diffstat (limited to 'FreeRTOS/Demo/RX600_RX62N-RSK_Renesas/RTOSDemo/uIP_Task.c')
| -rw-r--r-- | FreeRTOS/Demo/RX600_RX62N-RSK_Renesas/RTOSDemo/uIP_Task.c | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RX600_RX62N-RSK_Renesas/RTOSDemo/uIP_Task.c b/FreeRTOS/Demo/RX600_RX62N-RSK_Renesas/RTOSDemo/uIP_Task.c new file mode 100644 index 000000000..08366f146 --- /dev/null +++ b/FreeRTOS/Demo/RX600_RX62N-RSK_Renesas/RTOSDemo/uIP_Task.c @@ -0,0 +1,358 @@ +/*
+ FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.
+
+
+ ***************************************************************************
+ * *
+ * FreeRTOS tutorial books are available in pdf and paperback. *
+ * Complete, revised, and edited pdf reference manuals are also *
+ * available. *
+ * *
+ * Purchasing FreeRTOS documentation will not only help you, by *
+ * ensuring you get running as quickly as possible and with an *
+ * in-depth knowledge of how to use FreeRTOS, it will also help *
+ * the FreeRTOS project to continue with its mission of providing *
+ * professional grade, cross platform, de facto standard solutions *
+ * for microcontrollers - completely free of charge! *
+ * *
+ * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
+ * *
+ * Thank you for using FreeRTOS, and thank you for your support! *
+ * *
+ ***************************************************************************
+
+
+ This file is part of the FreeRTOS distribution.
+
+ FreeRTOS is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License (version 2) as published by the
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+ >>>NOTE<<< The modification to the GPL is included to allow you to
+ distribute a combined work that includes FreeRTOS without being obliged to
+ provide the source code for proprietary components outside of the FreeRTOS
+ kernel. FreeRTOS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details. You should have received a copy of the GNU General Public
+ License and the FreeRTOS license exception along with FreeRTOS; if not it
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained
+ by writing to Richard Barry, contact details for whom are available on the
+ FreeRTOS WEB site.
+
+ 1 tab == 4 spaces!
+
+ ***************************************************************************
+ * *
+ * Having a problem? Start by reading the FAQ "My application does *
+ * not run, what could be wrong? *
+ * *
+ * http://www.FreeRTOS.org/FAQHelp.html *
+ * *
+ ***************************************************************************
+
+
+ http://www.FreeRTOS.org - Documentation, training, latest information,
+ license and contact details.
+
+ http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
+ including FreeRTOS+Trace - an indispensable productivity tool.
+
+ Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
+ the code with commercial support, indemnification, and middleware, under
+ the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
+ provide a safety engineered and independently SIL3 certified version under
+ the SafeRTOS brand: http://www.SafeRTOS.com.
+*/
+
+/* Standard includes. */
+#include <string.h>
+
+/* Scheduler includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+#include "timers.h"
+#include "queue.h"
+
+/* uip includes. */
+#include "net/uip.h"
+#include "net/uip_arp.h"
+#include "apps/httpd/httpd.h"
+#include "sys/timer.h"
+#include "net/clock-arch.h"
+#include "r_ether.h"
+
+/* Demo includes. */
+#include "ParTest.h"
+
+/*-----------------------------------------------------------*/
+
+/* How long to wait before attempting to connect the MAC again. */
+#define uipINIT_WAIT ( 100 / portTICK_RATE_MS )
+
+/* Shortcut to the header within the Rx buffer. */
+#define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
+
+/* Standard constant. */
+#define uipTOTAL_FRAME_HEADER_SIZE 54
+
+/* The ARP timer and the periodic timer share a callback function, so the
+respective timer IDs are used to determine which timer actually expired. These
+constants are assigned to the timer IDs. */
+#define uipARP_TIMER 0
+#define uipPERIODIC_TIMER 1
+
+/* A block time of zero ticks simply means, "don't block". */
+#define uipDONT_BLOCK 0UL
+
+/*-----------------------------------------------------------*/
+
+/*
+ * Setup the MAC address in the MAC itself, and in the uIP stack.
+ */
+static void prvSetMACAddress( void );
+
+/*
+ * Perform any uIP initialisation necessary.
+ */
+static void prvInitialise_uIP( void );
+
+/*
+ * The callback function that is assigned to both the periodic timer and the
+ * ARP timer.
+ */
+static void prvUIPTimerCallback( xTimerHandle xTimer );
+
+/*
+ * Port functions required by the uIP stack.
+ */
+clock_time_t clock_time( void );
+
+/*-----------------------------------------------------------*/
+
+/* The queue used to send TCP/IP events to the uIP stack. */
+xQueueHandle xEMACEventQueue = NULL;
+
+/*-----------------------------------------------------------*/
+
+clock_time_t clock_time( void )
+{
+ return xTaskGetTickCount();
+}
+/*-----------------------------------------------------------*/
+
+void vuIP_Task( void *pvParameters )
+{
+portBASE_TYPE i;
+unsigned long ulNewEvent = 0UL;
+unsigned long ulUIP_Events = 0UL;
+
+ ( void ) pvParameters;
+
+ /* Initialise the uIP stack. */
+ prvInitialise_uIP();
+
+ /* Initialise the MAC. */
+ vInitEmac();
+
+ while( lEMACWaitForLink() != pdPASS )
+ {
+ vTaskDelay( uipINIT_WAIT );
+ }
+
+ for( ;; )
+ {
+ if( ( ulUIP_Events & uipETHERNET_RX_EVENT ) != 0UL )
+ {
+ /* Is there received data ready to be processed? */
+ uip_len = ( unsigned short ) ulEMACRead();
+
+ if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
+ {
+ /* Standard uIP loop taken from the uIP manual. */
+ if( xHeader->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();
+ vEMACWrite();
+ }
+ }
+ else if( xHeader->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 )
+ {
+ vEMACWrite();
+ }
+ }
+ }
+ else
+ {
+ ulUIP_Events &= ~uipETHERNET_RX_EVENT;
+ }
+ }
+
+ if( ( ulUIP_Events & uipPERIODIC_TIMER_EVENT ) != 0UL )
+ {
+ ulUIP_Events &= ~uipPERIODIC_TIMER_EVENT;
+
+ 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();
+ vEMACWrite();
+ }
+ }
+ }
+
+ /* Call the ARP timer function every 10 seconds. */
+ if( ( ulUIP_Events & uipARP_TIMER_EVENT ) != 0 )
+ {
+ ulUIP_Events &= ~uipARP_TIMER_EVENT;
+ uip_arp_timer();
+ }
+
+ if( ulUIP_Events == pdFALSE )
+ {
+ xQueueReceive( xEMACEventQueue, &ulNewEvent, portMAX_DELAY );
+ ulUIP_Events |= ulNewEvent;
+ }
+ }
+}
+/*-----------------------------------------------------------*/
+
+static void prvInitialise_uIP( void )
+{
+xTimerHandle xARPTimer, xPeriodicTimer;
+uip_ipaddr_t xIPAddr;
+const unsigned long ul_uIPEventQueueLength = 10UL;
+
+ /* Initialise the uIP stack. */
+ uip_init();
+ uip_ipaddr( &xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
+ uip_sethostaddr( &xIPAddr );
+ uip_ipaddr( &xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 );
+ uip_setnetmask( &xIPAddr );
+ prvSetMACAddress();
+ httpd_init();
+
+ /* Create the queue used to sent TCP/IP events to the uIP stack. */
+ xEMACEventQueue = xQueueCreate( ul_uIPEventQueueLength, sizeof( unsigned long ) );
+
+ /* Create and start the uIP timers. */
+ xARPTimer = xTimerCreate( ( const signed char * const ) "ARPTimer", /* Just a name that is helpful for debugging, not used by the kernel. */
+ ( 10000UL / portTICK_RATE_MS ), /* Timer period. */
+ pdTRUE, /* Autor-reload. */
+ ( void * ) uipARP_TIMER,
+ prvUIPTimerCallback
+ );
+
+ xPeriodicTimer = xTimerCreate( ( const signed char * const ) "PeriodicTimer",
+ ( 50 / portTICK_RATE_MS ),
+ pdTRUE, /* Autor-reload. */
+ ( void * ) uipPERIODIC_TIMER,
+ prvUIPTimerCallback
+ );
+
+ configASSERT( xARPTimer );
+ configASSERT( xPeriodicTimer );
+
+ xTimerStart( xARPTimer, portMAX_DELAY );
+ xTimerStart( xPeriodicTimer, portMAX_DELAY );
+}
+/*-----------------------------------------------------------*/
+
+static void prvUIPTimerCallback( xTimerHandle xTimer )
+{
+static const unsigned long ulARPTimerExpired = uipARP_TIMER_EVENT;
+static const unsigned long ulPeriodicTimerExpired = uipPERIODIC_TIMER_EVENT;
+
+ /* This is a time callback, so calls to xQueueSend() must not attempt to
+ block. */
+ switch( ( int ) pvTimerGetTimerID( xTimer ) )
+ {
+ case uipARP_TIMER : xQueueSend( xEMACEventQueue, &ulARPTimerExpired, uipDONT_BLOCK );
+ break;
+
+ case uipPERIODIC_TIMER : xQueueSend( xEMACEventQueue, &ulPeriodicTimerExpired, uipDONT_BLOCK );
+ break;
+
+ default : /* Should not get here. */
+ break;
+ }
+}
+/*-----------------------------------------------------------*/
+
+static void prvSetMACAddress( void )
+{
+struct uip_eth_addr xAddr;
+
+ /* Configure the MAC address in the uIP stack. */
+ xAddr.addr[ 0 ] = configMAC_ADDR0;
+ xAddr.addr[ 1 ] = configMAC_ADDR1;
+ xAddr.addr[ 2 ] = configMAC_ADDR2;
+ xAddr.addr[ 3 ] = configMAC_ADDR3;
+ xAddr.addr[ 4 ] = configMAC_ADDR4;
+ xAddr.addr[ 5 ] = configMAC_ADDR5;
+ uip_setethaddr( xAddr );
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationProcessFormInput( char *pcInputString )
+{
+char *c;
+
+ /* Only interested in processing form input if this is the IO page. */
+ c = strstr( pcInputString, "io.shtml" );
+
+ if( c )
+ {
+ /* Is there a command in the string? */
+ c = strstr( pcInputString, "?" );
+ if( c )
+ {
+ /* Turn the LED's on or off in accordance with the check box status. */
+ if( strstr( c, "LED0=1" ) != NULL )
+ {
+ /* Turn the LEDs on. */
+ vParTestSetLED( 7, 1 );
+ vParTestSetLED( 8, 1 );
+ vParTestSetLED( 9, 1 );
+ vParTestSetLED( 10, 1 );
+ }
+ else
+ {
+ /* Turn the LEDs off. */
+ vParTestSetLED( 7, 0 );
+ vParTestSetLED( 8, 0 );
+ vParTestSetLED( 9, 0 );
+ vParTestSetLED( 10, 0 );
+ }
+ }
+ else
+ {
+ /* Commands to turn LEDs off are not always explicit. */
+ vParTestSetLED( 7, 0 );
+ vParTestSetLED( 8, 0 );
+ vParTestSetLED( 9, 0 );
+ vParTestSetLED( 10, 0 );
+ }
+ }
+}
+
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