mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-04-19 21:11:57 -04:00
Move the Zynq's lwIP example from the Full demo into its own configuration as having the lwIP tasks at a high priority made the self checking test tasks report failures, while having the lwIP tasks at a low priority slugged the throughput.
This commit is contained in:
Richard Barry
parent
be8b0ed21d
commit
e92795bcc8
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@ -132,12 +132,6 @@ the queue empty. */
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static void prvQueueReceiveTask( void *pvParameters );
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static void prvQueueSendTask( void *pvParameters );
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/*
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* Called by main() to create the simply blinky style application if
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* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
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*/
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void main_blinky( void );
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/*-----------------------------------------------------------*/
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/* The queue used by both tasks. */
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@ -207,7 +207,8 @@ Zynq MPU. */
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/****** Network configuration settings. ***************************************/
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#define configLWIP_TASK_PRIORITY ( 5 )
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#define configMAC_INPUT_TASK_PRIORITY ( configMAX_PRIORITIES - 1 )
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#define configLWIP_TASK_PRIORITY ( configMAX_PRIORITIES - 2 )
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/* MAC address configuration. */
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#define configMAC_ADDR0 0x00
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@ -165,7 +165,7 @@ static struct netif xNetIf;
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use of the lwIP raw API. */
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httpd_init();
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sys_thread_new( "lwIP Input", xemacif_input_thread, &xNetIf, configMINIMAL_STACK_SIZE * 6, tskIDLE_PRIORITY );
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sys_thread_new( "lwIP Input", xemacif_input_thread, &xNetIf, configMINIMAL_STACK_SIZE, configMAC_INPUT_TASK_PRIORITY );
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/* Create the FreeRTOS defined basic command server. This demonstrates use
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of the lwIP sockets API. */
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@ -56,7 +56,7 @@ static int EmacIntrNum;
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extern u8 _end;
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#ifdef OS_IS_FREERTOS
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long xInsideISR = 0;
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extern BaseType_t xInsideISR;
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#endif
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#define XEMACPS_BD_TO_INDEX(ringptr, bdptr) \
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@ -48,6 +48,11 @@
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#include "lwip/mem.h"
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#include "lwip/stats.h"
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/* Very crude mechanism used to determine if the critical section handling
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functions are being called from an interrupt context or not. This relies on
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the interrupt handler setting this variable manually. */
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BaseType_t xInsideISR = pdFALSE;
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/*---------------------------------------------------------------------------*
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* Routine: sys_mbox_new
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*---------------------------------------------------------------------------*
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@ -137,8 +142,19 @@ void sys_mbox_post( sys_mbox_t *pxMailBox, void *pxMessageToPost )
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err_t sys_mbox_trypost( sys_mbox_t *pxMailBox, void *pxMessageToPost )
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{
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err_t xReturn;
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portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
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if( xQueueSend( *pxMailBox, &pxMessageToPost, 0UL ) == pdPASS )
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if( xInsideISR != pdFALSE )
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{
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xReturn = xQueueSendFromISR( *pxMailBox, &pxMessageToPost, &xHigherPriorityTaskWoken );
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portYIELD_FROM_ISR( xHigherPriorityTaskWoken );
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}
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else
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{
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xReturn = xQueueSend( *pxMailBox, &pxMessageToPost, ( TickType_t ) 0 );
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}
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if( xReturn == pdPASS )
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{
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xReturn = ERR_OK;
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}
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@ -192,6 +208,8 @@ unsigned long ulReturn;
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if( ulTimeOut != 0UL )
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{
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configASSERT( xInsideISR == ( portBASE_TYPE ) 0 );
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if( pdTRUE == xQueueReceive( *pxMailBox, &( *ppvBuffer ), ulTimeOut/ portTICK_PERIOD_MS ) )
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{
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xEndTime = xTaskGetTickCount();
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@ -241,13 +259,25 @@ u32_t sys_arch_mbox_tryfetch( sys_mbox_t *pxMailBox, void **ppvBuffer )
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{
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void *pvDummy;
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unsigned long ulReturn;
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long lResult;
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portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
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if( ppvBuffer== NULL )
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{
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ppvBuffer = &pvDummy;
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}
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if( pdTRUE == xQueueReceive( *pxMailBox, &( *ppvBuffer ), 0UL ) )
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if( xInsideISR != pdFALSE )
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{
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lResult = xQueueReceiveFromISR( *pxMailBox, &( *ppvBuffer ), &xHigherPriorityTaskWoken );
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portYIELD_FROM_ISR( xHigherPriorityTaskWoken );
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}
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else
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{
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lResult = xQueueReceive( *pxMailBox, &( *ppvBuffer ), 0UL );
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}
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if( lResult == pdPASS )
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{
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ulReturn = ERR_OK;
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}
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@ -276,10 +306,16 @@ err_t sys_sem_new( sys_sem_t *pxSemaphore, u8_t ucCount )
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{
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err_t xReturn = ERR_MEM;
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//vSemaphoreCreateBinary( ( *pxSemaphore ) );
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*pxSemaphore = xSemaphoreCreateCounting( 0xffff, ( unsigned long ) ucCount );
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if( *pxSemaphore != NULL )
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{
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if( ucCount == 0U )
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{
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// xSemaphoreTake( *pxSemaphore, 1UL );
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}
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xReturn = ERR_OK;
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SYS_STATS_INC_USED( sem );
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}
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@ -377,7 +413,20 @@ err_t xReturn = ERR_MEM;
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* @param mutex the mutex to lock */
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void sys_mutex_lock( sys_mutex_t *pxMutex )
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{
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while( xSemaphoreTake( *pxMutex, portMAX_DELAY ) != pdPASS );
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BaseType_t xGotSemaphore;
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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if( xInsideISR == 0 )
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{
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while( xSemaphoreTake( *pxMutex, portMAX_DELAY ) != pdPASS );
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}
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else
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{
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#warning What happens if the mutex cannot be taken from an ISR in the code below
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xGotSemaphore = xSemaphoreTakeFromISR( *pxMutex, &xHigherPriorityTaskWoken );
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configASSERT( xGotSemaphore );
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portYIELD_FROM_ISR( xHigherPriorityTaskWoken );
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}
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}
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/** Unlock a mutex
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@ -407,7 +456,17 @@ void sys_mutex_free( sys_mutex_t *pxMutex )
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*---------------------------------------------------------------------------*/
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void sys_sem_signal( sys_sem_t *pxSemaphore )
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{
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xSemaphoreGive( *pxSemaphore );
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portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
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if( xInsideISR != pdFALSE )
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{
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xSemaphoreGiveFromISR( *pxSemaphore, &xHigherPriorityTaskWoken );
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portYIELD_FROM_ISR( xHigherPriorityTaskWoken );
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}
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else
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{
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xSemaphoreGive( *pxSemaphore );
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}
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}
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/*---------------------------------------------------------------------------*
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@ -498,7 +557,10 @@ sys_thread_t xReturn;
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*---------------------------------------------------------------------------*/
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sys_prot_t sys_arch_protect( void )
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{
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taskENTER_CRITICAL();
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if( xInsideISR == pdFALSE )
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{
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taskENTER_CRITICAL();
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}
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return ( sys_prot_t ) 1;
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}
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@ -516,7 +578,10 @@ sys_prot_t sys_arch_protect( void )
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void sys_arch_unprotect( sys_prot_t xValue )
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{
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(void) xValue;
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taskEXIT_CRITICAL();
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if( xInsideISR == pdFALSE )
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{
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taskEXIT_CRITICAL();
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}
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}
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/*
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@ -145,9 +145,6 @@
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#include "IntQueue.h"
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#include "EventGroupsDemo.h"
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/* lwIP includes. */
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#include "lwip/tcpip.h"
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/* Priorities for the demo application tasks. */
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#define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1UL )
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#define mainBLOCK_Q_PRIORITY ( tskIDLE_PRIORITY + 2UL )
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@ -228,11 +225,6 @@ extern void vUARTCommandConsoleStart( uint16_t usStackSize, UBaseType_t uxPriori
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*/
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static void prvPseudoRandomiser( void *pvParameters );
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/*
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* Defined in lwIPApps.c.
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*/
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extern void lwIPAppsInit( void *pvArguments );
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/*-----------------------------------------------------------*/
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/* The following two variables are used to communicate the status of the
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@ -248,9 +240,6 @@ char *pcStatusMessage = "All tasks running without error";
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void main_full( void )
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{
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/* Init lwIP and start lwIP tasks. */
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tcpip_init( lwIPAppsInit, NULL );
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/* Start all the other standard demo/test tasks. They have not particular
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functionality, but do demonstrate how to use the FreeRTOS API and test the
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kernel port. */
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@ -0,0 +1,184 @@
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/*
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FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that has become a de facto standard. *
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* *
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* Help yourself get started quickly and support the FreeRTOS *
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* project by purchasing a FreeRTOS tutorial book, reference *
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* manual, or both from: http://www.FreeRTOS.org/Documentation *
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* *
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* Thank you! *
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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 !<<
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>>! obliged to provide the source code for proprietary components !<<
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>>! outside of the FreeRTOS kernel. !<<
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available from the following
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link: http://www.freertos.org/a00114.html
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?" *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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*/
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/******************************************************************************
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* NOTE 1: This project provides two demo applications. A simple blinky style
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* project, and a more comprehensive test and demo application. The
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* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting in main.c is used to select
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* between the two. See the notes on using mainCREATE_SIMPLE_BLINKY_DEMO_ONLY
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* in main.c. This file implements the simply blinky style version.
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*
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* NOTE 2: This file only contains the source code that is specific to the
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* basic demo. Generic functions, such FreeRTOS hook functions, and functions
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* required to configure the hardware are defined in main.c.
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******************************************************************************
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*
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* main_blinky() creates one queue, and two tasks. It then starts the
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* scheduler.
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*
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* The Queue Send Task:
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* The queue send task is implemented by the prvQueueSendTask() function in
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* this file. prvQueueSendTask() sits in a loop that causes it to repeatedly
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* block for 200 milliseconds, before sending the value 100 to the queue that
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* was created within main_blinky(). Once the value is sent, the task loops
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* back around to block for another 200 milliseconds...and so on.
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*
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* The Queue Receive Task:
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* The queue receive task is implemented by the prvQueueReceiveTask() function
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* in this file. prvQueueReceiveTask() sits in a loop where it repeatedly
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* blocks on attempts to read data from the queue that was created within
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* main_blinky(). When data is received, the task checks the value of the
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* data, and if the value equals the expected 100, toggles an LED. The 'block
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* time' parameter passed to the queue receive function specifies that the
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* task should be held in the Blocked state indefinitely to wait for data to
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* be available on the queue. The queue receive task will only leave the
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* Blocked state when the queue send task writes to the queue. As the queue
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* send task writes to the queue every 200 milliseconds, the queue receive
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* task leaves the Blocked state every 200 milliseconds, and therefore toggles
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* the LED every 200 milliseconds.
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*/
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#warning Need to update the comment above.
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#warning Move lwIP code into the lwIP_Demo directory.
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/* Kernel 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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/* Standard demo includes. */
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#include "partest.h"
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/* lwIP includes. */
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#include "lwip/tcpip.h"
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/* The rate at which data is sent to the queue. The 200ms value is converted
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to ticks using the portTICK_PERIOD_MS constant. */
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#define mainTIMER_PERIOD_MS ( 200 / portTICK_PERIOD_MS )
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/* The LED toggled by the Rx task. */
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#define mainTIMER_LED ( 0 )
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/* A block time of zero just means "don't block". */
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#define mainDONT_BLOCK ( 0 )
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/*-----------------------------------------------------------*/
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/*
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* The callback for the timer that just toggles an LED to show the system is
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* running.
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*/
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static void prvLEDToggleTimer( TimerHandle_t pxTimer );
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/*
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* Defined in lwIPApps.c.
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*/
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extern void lwIPAppsInit( void *pvArguments );
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/*-----------------------------------------------------------*/
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void main_lwIP( void )
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{
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TimerHandle_t xTimer;
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/* Init lwIP and start lwIP tasks. */
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tcpip_init( lwIPAppsInit, NULL );
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/* A timer is used to toggle an LED just to show the application is
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executing. */
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xTimer = xTimerCreate( "LED", /* Text name to make debugging easier. */
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mainTIMER_PERIOD_MS, /* The timer's period. */
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pdTRUE, /* This is an auto reload timer. */
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NULL, /* ID is not used. */
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prvLEDToggleTimer ); /* The callback function. */
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/* Start the timer. */
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configASSERT( xTimer );
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xTimerStart( xTimer, mainDONT_BLOCK );
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/* Start the tasks and timer running. */
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vTaskStartScheduler();
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/* If all is well, the scheduler will now be running, and the following
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line will never be reached. If the following line does execute, then
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there was either insufficient FreeRTOS heap memory available for the idle
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and/or timer tasks to be created, or vTaskStartScheduler() was called from
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User mode. See the memory management section on the FreeRTOS web site for
|
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more details on the FreeRTOS heap http://www.freertos.org/a00111.html. The
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mode from which main() is called is set in the C start up code and must be
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a privileged mode (not user mode). */
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for( ;; );
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}
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/*-----------------------------------------------------------*/
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static void prvLEDToggleTimer( TimerHandle_t pxTimer )
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{
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/* Prevent compiler warnings. */
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( void ) pxTimer;
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/* Just toggle an LED to show the application is running. */
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vParTestToggleLED( mainTIMER_LED );
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}
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@ -40,6 +40,7 @@ signed char *pcLwipBlockingGetTxBuffer( void );
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void vLwipAppsReleaseTxBuffer( void );
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#define CONFIG_LINKSPEED_AUTODETECT 1
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#define OS_IS_FREERTOS
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/* SSI options. */
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#define TCPIP_THREAD_NAME "tcpip"
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@ -148,10 +149,10 @@ a lot of data that needs to be copied, this should be set high. */
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/* The following four are used only with the sequential API and can be
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set to 0 if the application only will use the raw API. */
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/* MEMP_NUM_NETBUF: the number of struct netbufs. */
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#define MEMP_NUM_NETBUF 8
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#define MEMP_NUM_NETBUF 0
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/* MEMP_NUM_NETCONN: the number of struct netconns. */
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#define MEMP_NUM_NETCONN 16
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#define MEMP_NUM_NETCONN 10
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/* MEMP_NUM_TCPIP_MSG_*: the number of struct tcpip_msg, which is used
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for sequential API communication and incoming packets. Used in
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@ -198,13 +199,6 @@ a lot of data that needs to be copied, this should be set high. */
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TCP_SND_BUF/TCP_MSS for things to work. */
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#define TCP_SND_QUEUELEN (16 * TCP_SND_BUF/TCP_MSS)
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#define CHECKSUM_GEN_TCP 0
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#define CHECKSUM_GEN_UDP 0
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#define CHECKSUM_GEN_IP 0
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#define CHECKSUM_CHECK_TCP 0
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#define CHECKSUM_CHECK_UDP 0
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#define CHECKSUM_CHECK_IP 0
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|
||||
/* TCP writable space (bytes). This must be less than or equal
|
||||
to TCP_SND_BUF. It is the amount of space which must be
|
||||
available in the tcp snd_buf for select to return writable */
|
||||
|
|
@ -225,6 +219,9 @@ a lot of data that needs to be copied, this should be set high. */
|
|||
#define ARP_TABLE_SIZE 10
|
||||
#define ARP_QUEUEING 1
|
||||
|
||||
#define ICMP_TTL 255
|
||||
|
||||
#define IP_OPTIONS 0
|
||||
|
||||
/* ---------- IP options ---------- */
|
||||
/* Define IP_FORWARD to 1 if you wish to have the ability to forward
|
||||
|
|
@ -234,15 +231,10 @@ a lot of data that needs to be copied, this should be set high. */
|
|||
|
||||
/* IP reassembly and segmentation.These are orthogonal even
|
||||
* if they both deal with IP fragments */
|
||||
#define IP_REASSEMBLY 1
|
||||
#define IP_REASS_MAX_PBUFS 128
|
||||
#define IP_REASSEMBLY 0
|
||||
#define IP_REASS_MAX_PBUFS 10
|
||||
#define MEMP_NUM_REASSDATA 10
|
||||
#define IP_FRAG 1
|
||||
|
||||
#define IP_OPTIONS 0
|
||||
#define IP_FRAG_MAX_MTU 1500
|
||||
#define IP_DEFAULT_TTL 255
|
||||
#define LWIP_CHKSUM_ALGORITHM 3
|
||||
#define IP_FRAG 0
|
||||
|
||||
|
||||
/* ---------- ICMP options ---------- */
|
||||
|
|
@ -290,15 +282,6 @@ a lot of data that needs to be copied, this should be set high. */
|
|||
#endif /* LWIP_STATS */
|
||||
|
||||
|
||||
#define NO_SYS_NO_TIMERS 1
|
||||
#define MEMP_SEPARATE_POOLS 1
|
||||
#define MEMP_NUM_FRAG_PBUF 256
|
||||
#define IP_OPTIONS_ALLOWED 0
|
||||
#define TCP_OVERSIZE TCP_MSS
|
||||
#define LWIP_COMPAT_MUTEX 0
|
||||
#define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 1
|
||||
|
||||
|
||||
/* ---------- PPP options ---------- */
|
||||
|
||||
#define PPP_SUPPORT 0 /* Set > 0 for PPP */
|
||||
|
|
|
|||
|
|
@ -113,7 +113,7 @@
|
|||
|
||||
/* Set mainCREATE_SIMPLE_BLINKY_DEMO_ONLY to one to run the simple blinky demo,
|
||||
or 0 to run the more comprehensive test and demo application. */
|
||||
#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0
|
||||
#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 1
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
|
@ -157,9 +157,13 @@ XScuGic xInterruptController;
|
|||
|
||||
int main( void )
|
||||
{
|
||||
extern void main_lwIP( void );
|
||||
|
||||
/* Configure the hardware ready to run the demo. */
|
||||
prvSetupHardware();
|
||||
|
||||
main_lwIP();
|
||||
|
||||
/* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
|
||||
of this file. */
|
||||
#if( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 )
|
||||
|
|
|
|||
Loading…
Reference in a new issue