Update RX630 to add in some timer demo code, and remove all mention of Ethernet.
Minor comment corrections in the RX200 demo.pull/1/head
Richard Barry
14 years ago
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56eb9ebec3
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/*
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FreeRTOS V7.0.2 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
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* Complete, revised, and edited pdf reference manuals are also *
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* available. *
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* *
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* Purchasing FreeRTOS documentation will not only help you, by *
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* ensuring you get running as quickly as possible and with an *
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* in-depth knowledge of how to use FreeRTOS, it will also help *
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* the FreeRTOS project to continue with its mission of providing *
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* professional grade, cross platform, de facto standard solutions *
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* for microcontrollers - completely free of charge! *
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* *
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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>>>NOTE<<< The modification to the GPL is included to allow you to
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distribute a combined work that includes FreeRTOS without being obliged to
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provide the source code for proprietary components outside of the FreeRTOS
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kernel. FreeRTOS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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*/
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/* Standard includes. */
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#include <string.h>
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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#include "timers.h"
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#include "queue.h"
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/* uip includes. */
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#include "net/uip.h"
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#include "net/uip_arp.h"
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#include "apps/httpd/httpd.h"
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#include "sys/timer.h"
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#include "net/clock-arch.h"
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#include "r_ether.h"
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/* Demo includes. */
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#include "ParTest.h"
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/*-----------------------------------------------------------*/
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/* How long to wait before attempting to connect the MAC again. */
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#define uipINIT_WAIT ( 100 / portTICK_RATE_MS )
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/* Shortcut to the header within the Rx buffer. */
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#define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
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/* Standard constant. */
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#define uipTOTAL_FRAME_HEADER_SIZE 54
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/* The ARP timer and the periodic timer share a callback function, so the
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respective timer IDs are used to determine which timer actually expired. These
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constants are assigned to the timer IDs. */
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#define uipARP_TIMER 0
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#define uipPERIODIC_TIMER 1
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/* A block time of zero ticks simply means, "don't block". */
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#define uipDONT_BLOCK 0UL
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/*-----------------------------------------------------------*/
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/*
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* Setup the MAC address in the MAC itself, and in the uIP stack.
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*/
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static void prvSetMACAddress( void );
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/*
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* Perform any uIP initialisation necessary.
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*/
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static void prvInitialise_uIP( void );
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/*
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* The callback function that is assigned to both the periodic timer and the
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* ARP timer.
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*/
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static void prvUIPTimerCallback( xTimerHandle xTimer );
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/*
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* Port functions required by the uIP stack.
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*/
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clock_time_t clock_time( void );
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/*-----------------------------------------------------------*/
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/* The queue used to send TCP/IP events to the uIP stack. */
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xQueueHandle xEMACEventQueue = NULL;
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/*-----------------------------------------------------------*/
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clock_time_t clock_time( void )
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{
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return xTaskGetTickCount();
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}
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/*-----------------------------------------------------------*/
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void vuIP_Task( void *pvParameters )
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{
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portBASE_TYPE i;
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unsigned long ulNewEvent = 0UL;
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unsigned long ulUIP_Events = 0UL;
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( void ) pvParameters;
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/* Initialise the uIP stack. */
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prvInitialise_uIP();
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/* Initialise the MAC. */
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vInitEmac();
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while( lEMACWaitForLink() != pdPASS )
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{
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vTaskDelay( uipINIT_WAIT );
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}
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for( ;; )
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{
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if( ( ulUIP_Events & uipETHERNET_RX_EVENT ) != 0UL )
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{
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/* Is there received data ready to be processed? */
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uip_len = ( unsigned short ) ulEMACRead();
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if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
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{
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/* Standard uIP loop taken from the uIP manual. */
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if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
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{
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uip_arp_ipin();
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uip_input();
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if( uip_len > 0 )
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{
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uip_arp_out();
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vEMACWrite();
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}
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}
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else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
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{
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uip_arp_arpin();
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if( uip_len > 0 )
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{
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vEMACWrite();
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}
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}
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}
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else
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{
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ulUIP_Events &= ~uipETHERNET_RX_EVENT;
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}
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}
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if( ( ulUIP_Events & uipPERIODIC_TIMER_EVENT ) != 0UL )
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{
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ulUIP_Events &= ~uipPERIODIC_TIMER_EVENT;
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for( i = 0; i < UIP_CONNS; i++ )
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{
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uip_periodic( i );
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if( uip_len > 0 )
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{
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uip_arp_out();
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vEMACWrite();
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}
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}
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}
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/* Call the ARP timer function every 10 seconds. */
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if( ( ulUIP_Events & uipARP_TIMER_EVENT ) != 0 )
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{
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ulUIP_Events &= ~uipARP_TIMER_EVENT;
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uip_arp_timer();
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}
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if( ulUIP_Events == pdFALSE )
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{
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xQueueReceive( xEMACEventQueue, &ulNewEvent, portMAX_DELAY );
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ulUIP_Events |= ulNewEvent;
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}
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}
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}
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/*-----------------------------------------------------------*/
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static void prvInitialise_uIP( void )
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{
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xTimerHandle xARPTimer, xPeriodicTimer;
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uip_ipaddr_t xIPAddr;
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const unsigned long ul_uIPEventQueueLength = 10UL;
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/* Initialise the uIP stack. */
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uip_init();
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uip_ipaddr( &xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
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uip_sethostaddr( &xIPAddr );
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uip_ipaddr( &xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 );
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uip_setnetmask( &xIPAddr );
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prvSetMACAddress();
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httpd_init();
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/* Create the queue used to sent TCP/IP events to the uIP stack. */
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xEMACEventQueue = xQueueCreate( ul_uIPEventQueueLength, sizeof( unsigned long ) );
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/* Create and start the uIP timers. */
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xARPTimer = xTimerCreate( ( const signed char * const ) "ARPTimer", /* Just a name that is helpful for debugging, not used by the kernel. */
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( 10000UL / portTICK_RATE_MS ), /* Timer period. */
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pdTRUE, /* Autor-reload. */
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( void * ) uipARP_TIMER,
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prvUIPTimerCallback
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);
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xPeriodicTimer = xTimerCreate( ( const signed char * const ) "PeriodicTimer",
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( 500 / portTICK_RATE_MS ),
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pdTRUE, /* Autor-reload. */
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( void * ) uipPERIODIC_TIMER,
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prvUIPTimerCallback
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);
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configASSERT( xARPTimer );
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configASSERT( xPeriodicTimer );
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xTimerStart( xARPTimer, portMAX_DELAY );
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xTimerStart( xPeriodicTimer, portMAX_DELAY );
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}
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/*-----------------------------------------------------------*/
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static void prvUIPTimerCallback( xTimerHandle xTimer )
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{
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static const unsigned long ulARPTimerExpired = uipARP_TIMER_EVENT;
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static const unsigned long ulPeriodicTimerExpired = uipPERIODIC_TIMER_EVENT;
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/* This is a time callback, so calls to xQueueSend() must not attempt to
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block. */
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switch( ( int ) pvTimerGetTimerID( xTimer ) )
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{
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case uipARP_TIMER : xQueueSend( xEMACEventQueue, &ulARPTimerExpired, uipDONT_BLOCK );
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break;
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case uipPERIODIC_TIMER : xQueueSend( xEMACEventQueue, &ulPeriodicTimerExpired, uipDONT_BLOCK );
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break;
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default : /* Should not get here. */
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break;
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}
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}
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/*-----------------------------------------------------------*/
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static void prvSetMACAddress( void )
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{
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struct uip_eth_addr xAddr;
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/* Configure the MAC address in the uIP stack. */
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xAddr.addr[ 0 ] = configMAC_ADDR0;
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xAddr.addr[ 1 ] = configMAC_ADDR1;
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xAddr.addr[ 2 ] = configMAC_ADDR2;
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xAddr.addr[ 3 ] = configMAC_ADDR3;
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xAddr.addr[ 4 ] = configMAC_ADDR4;
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xAddr.addr[ 5 ] = configMAC_ADDR5;
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uip_setethaddr( xAddr );
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}
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/*-----------------------------------------------------------*/
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void vApplicationProcessFormInput( char *pcInputString )
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{
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char *c;
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/* Only interested in processing form input if this is the IO page. */
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c = strstr( pcInputString, "io.shtml" );
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if( c )
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{
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/* Is there a command in the string? */
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c = strstr( pcInputString, "?" );
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if( c )
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{
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/* Turn the LED's on or off in accordance with the check box status. */
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if( strstr( c, "LED0=1" ) != NULL )
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{
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/* Turn the LEDs on. */
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vParTestSetLED( 7, 1 );
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vParTestSetLED( 8, 1 );
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vParTestSetLED( 9, 1 );
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vParTestSetLED( 10, 1 );
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}
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else
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{
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/* Turn the LEDs off. */
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vParTestSetLED( 7, 0 );
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vParTestSetLED( 8, 0 );
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vParTestSetLED( 9, 0 );
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vParTestSetLED( 10, 0 );
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}
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}
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else
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{
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/* Commands to turn LEDs off are not always explicit. */
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vParTestSetLED( 7, 0 );
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vParTestSetLED( 8, 0 );
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vParTestSetLED( 9, 0 );
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vParTestSetLED( 10, 0 );
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}
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}
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}
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Reference in New Issue