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222
FreeRTOS-Labs/Demo/Common/FreeRTOS_Plus_TCP_Demos/TraceMacros/Example1/DemoIPTrace.c Normal file
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/*
FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.
All rights reserved
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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. Full license text is available on the following
link: http://www.freertos.org/a00114.html
***************************************************************************
* *
* FreeRTOS provides completely free yet professionally developed, *
* robust, strictly quality controlled, supported, and cross *
* platform software that is more than just the market leader, it *
* is the industry's de facto standard. *
* *
* Help yourself get started quickly while simultaneously helping *
* to support the FreeRTOS project by purchasing a FreeRTOS *
* tutorial book, reference manual, or both: *
* http://www.FreeRTOS.org/Documentation *
* *
***************************************************************************
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
the FAQ page "My application does not run, what could be wrong?". Have you
defined configASSERT()?
http://www.FreeRTOS.org/support - In return for receiving this top quality
embedded software for free we request you assist our global community by
participating in the support forum.
http://www.FreeRTOS.org/training - Investing in training allows your team to
be as productive as possible as early as possible. Now you can receive
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
Ltd, and the world's leading authority on the world's leading RTOS.
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
compatible FAT file system, and our tiny thread aware UDP/IP stack.
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
licenses offer ticketed support, indemnification and commercial middleware.
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
1 tab == 4 spaces!
*/
/*
* This file, along with DemoIPTrace.h, provides a basic example use of the
* FreeRTOS+TCP trace macros. The statistics gathered here can be viewed in
* the command line interface.
* See http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/UDP_CLI.html
*
* A simple generic mechanism is used that allocates a structure (see the
* ExampleDebugStatEntry_t definition in DemoIPTrace.h) to each ID defined in
* the same header file. The structures are stored in an array (see the
* xIPTraceValues[] below.
*
* The structure associates a function with a data value. See the
* vPerformAction and ulData members of ExampleDebugStatEntry_t respectively.
* The function is used to manipulate the data. At the time of writing two
* functions can be used - these are prvIncrementEventCount() which simply
* increments the data each time it is called, and prvStoreLowest() which
* sets the data to the lowest value of an input parameter ever seen. For
* example, to store the lowest ever number of free network buffer descriptors
* the parameter value is the current number of network buffer descriptors.
*
* The trace macros themselves are defined in DemoIPTrace.h and just invoke
* vExampleDebugStatUpdate(), passing in an ID value. vExampleDebugStatUpdate()
* then just executes the function associated with that value (prvStoreLowest(),
* prvIncrementEventCount(), etc.) as defined in the xIPTraceValues[] array.
*/
/* Standard includes. */
#include <stdint.h>
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
/* FreeRTOS+TCP includes. */
#include "FreeRTOS_UDP_IP.h"
#include "DemoIPTrace.h"
/* It is possible to remove the trace macros using the
configINCLUDE_DEMO_DEBUG_STATS setting in FreeRTOSIPConfig.h. */
#if configINCLUDE_DEMO_DEBUG_STATS == 1
/*
* Each row in the xIPTraceValues[] table contains a pointer to a function that
* updates the value for that row. Rows that latch the lowest value point to
* this function (for example, this function can be used to latch the lowest
* number of network buffers that were available during the execution of the
* stack).
*/
static void prvStoreLowest( uint32_t *pulCurrentValue, uint32_t ulCount );
/*
* Each row in the xIPTraceValues[] table contains a pointer to a function that
* updates the value for that row. Rows that simply increment an event count
* point to this function.
*/
static void prvIncrementEventCount( uint32_t *pulCurrentValue, uint32_t ulCount );
/* The header file defines the IDs within this table. The string is used to
print a friendly message for the stat, and the function pointer is used to
perform the action for the state - for example, note the lowest ever value for
a stat, or just count the number of times the event occurs. */
ExampleDebugStatEntry_t xIPTraceValues[] =
{
/* Comment out array entries to remove individual trace items. */
{ iptraceID_NETWORK_INTERFACE_RECEIVE, "Packets received by the network interface", prvIncrementEventCount, 0 },
{ iptraceID_NETWORK_INTERFACE_TRANSMIT, "Count of transmitted packets", prvIncrementEventCount, 0 },
{ iptraceID_PACKET_DROPPED_TO_GENERATE_ARP, "Count of packets dropped to generate ARP", prvIncrementEventCount, 0 },
{ iptraceID_NETWORK_BUFFER_OBTAINED, "Lowest ever available network buffers", prvStoreLowest, 0xffffUL },
{ iptraceID_NETWORK_EVENT_RECEIVED, "Lowest ever free space in network event queue", prvStoreLowest, 0xffffUL },
{ iptraceID_FAILED_TO_OBTAIN_NETWORK_BUFFER, "Count of failed attempts to obtain a network buffer", prvIncrementEventCount, 0 },
{ iptraceID_ARP_TABLE_ENTRY_EXPIRED, "Count of expired ARP entries", prvIncrementEventCount, 0 },
{ iptraceID_FAILED_TO_CREATE_SOCKET, "Count of failures to create a socket", prvIncrementEventCount, 0 },
{ iptraceID_RECVFROM_DISCARDING_BYTES, "Count of times recvfrom() has discarding bytes", prvIncrementEventCount, 0 },
{ iptraceID_ETHERNET_RX_EVENT_LOST, "Count of lost Etheret Rx events (event queue full?)", prvIncrementEventCount, 0 },
{ iptraceID_STACK_TX_EVENT_LOST, "Count of lost IP stack events (event queue full?)", prvIncrementEventCount, 0 },
{ ipconfigID_BIND_FAILED, "Count of failed calls to bind()", prvIncrementEventCount, 0 },
{ iptraceID_RECVFROM_TIMEOUT, "Count of receive timeouts", prvIncrementEventCount, 0 },
{ iptraceID_SENDTO_DATA_TOO_LONG, "Count of failed sends due to oversized payload", prvIncrementEventCount, 0 },
{ iptraceID_SENDTO_SOCKET_NOT_BOUND, "Count of failed sends due to unbound socket", prvIncrementEventCount, 0 },
{ iptraceID_NO_BUFFER_FOR_SENDTO, "Count of failed transmits due to timeout", prvIncrementEventCount, 0 },
{ iptraceID_WAIT_FOR_TX_DMA_DESCRIPTOR, "Number of times task had to wait to obtain a DMA Tx descriptor", prvIncrementEventCount, 0 },
{ iptraceID_FAILED_TO_NOTIFY_SELECT_GROUP, "Failed to notify select group", prvIncrementEventCount, 0 },
{ iptraceID_TOTAL_NETWORK_BUFFERS_OBTAINED, "Total network buffers obtained", prvIncrementEventCount, 0 },
{ iptraceID_TOTAL_NETWORK_BUFFERS_RELEASED, "Total network buffers released", prvIncrementEventCount, 0 }
};
/*-----------------------------------------------------------*/
BaseType_t xExampleDebugStatEntries( void )
{
/* Return the number of entries in the xIPTraceValues[] table. */
return ( BaseType_t ) ( sizeof( xIPTraceValues ) / sizeof( ExampleDebugStatEntry_t ) );
}
/*-----------------------------------------------------------*/
void vExampleDebugStatUpdate( uint8_t ucIdentifier, uint32_t ulValue )
{
BaseType_t xIndex;
const BaseType_t xEntries = sizeof( xIPTraceValues ) / sizeof( ExampleDebugStatEntry_t );
/* Update an entry in the xIPTraceValues[] table. Each row in the table
includes a pointer to a function that performs the actual update. This
function just executes the update function from that table row.
Search the array to find the identifier - this could be made more efficient
by using the identifier as an index into the array - but that would come
with the usability cost of needing to change all the identifiers above any
identifiers that are later inserted into the table. */
for( xIndex = 0; xIndex < xEntries; xIndex++ )
{
if( xIPTraceValues[ xIndex ].ucIdentifier == ucIdentifier )
{
xIPTraceValues[ xIndex ].vPerformAction( &( xIPTraceValues[ xIndex ].ulData ), ulValue );
break;
}
}
configASSERT( xIndex != xEntries );
}
/*-----------------------------------------------------------*/
static void prvIncrementEventCount( uint32_t *pulCurrentValue, uint32_t ulCount )
{
/* Each row in the xIPTraceValues[] table contains a pointer to a function
that updates the value for that row. Rows that simply increment an event
count point to this function. */
( void ) ulCount;
( *pulCurrentValue )++;
}
/*-----------------------------------------------------------*/
static void prvStoreLowest( uint32_t *pulCurrentValue, uint32_t ulCount )
{
/* Each row in the xIPTraceValues[] table contains a pointer to a function
that updates the value for that row. Rows that latch the lowest value
point to this function (for example, this function can be used to latch
the lowest number of network buffers that were available during the
execution of the stack). */
if( ulCount < *pulCurrentValue )
{
*pulCurrentValue = ulCount;
}
}
/*-----------------------------------------------------------*/
#endif /* configINCLUDE_DEMO_DEBUG_STATS == 1 */

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FreeRTOS-Labs/Demo/Common/FreeRTOS_Plus_TCP_Demos/TraceMacros/Example1/DemoIPTrace.h Normal file
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/*
FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.
All rights reserved
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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. Full license text is available on the following
link: http://www.freertos.org/a00114.html
***************************************************************************
* *
* FreeRTOS provides completely free yet professionally developed, *
* robust, strictly quality controlled, supported, and cross *
* platform software that is more than just the market leader, it *
* is the industry's de facto standard. *
* *
* Help yourself get started quickly while simultaneously helping *
* to support the FreeRTOS project by purchasing a FreeRTOS *
* tutorial book, reference manual, or both: *
* http://www.FreeRTOS.org/Documentation *
* *
***************************************************************************
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
the FAQ page "My application does not run, what could be wrong?". Have you
defined configASSERT()?
http://www.FreeRTOS.org/support - In return for receiving this top quality
embedded software for free we request you assist our global community by
participating in the support forum.
http://www.FreeRTOS.org/training - Investing in training allows your team to
be as productive as possible as early as possible. Now you can receive
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
Ltd, and the world's leading authority on the world's leading RTOS.
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
compatible FAT file system, and our tiny thread aware UDP/IP stack.
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
licenses offer ticketed support, indemnification and commercial middleware.
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
1 tab == 4 spaces!
*/
/*
* This file, along with DemoIPTrace.c, provides a basic example use of the
* FreeRTOS+TCP trace macros. The statistics gathered here can be viewed in
* the command line interface.
* See http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/UDP_CLI.html
*
* A simple generic mechanism is used that allocates a structure (see the
* ExampleDebugStatEntry_t definition below) to each ID defined in this file.
* The structures are stored in an array (see the xIPTraceValues[] array in
* DemoIPTrace.c).
*
* The structure associates a function with a data value. See the
* vPerformAction and ulData members of ExampleDebugStatEntry_t respectively.
* The function is used to manipulate the data. At the time of writing two
* functions can be used - these are prvIncrementEventCount() which simply
* increments the data each time it is called, and prvStoreLowest() which
* sets the data to the lowest value of an input parameter ever seen. For
* example, to store the lowest ever number of free network buffer descriptors
* the parameter value is the current number of network buffer descriptors.
*
* The trace macros themselves are defined in this file and just invoke
* vExampleDebugStatUpdate(), passing in an ID value. vExampleDebugStatUpdate()
* then just executes the function associated with that value (prvStoreLowest(),
* prvIncrementEventCount(), etc.) as defined in the xIPTraceValues[] array.
*/
#ifndef DEMO_IP_TRACE_MACROS_H
#define DEMO_IP_TRACE_MACROS_H
typedef void ( *vTraceAction_t )( uint32_t *, uint32_t );
/* Type that defines each statistic being gathered. */
typedef struct ExampleDebugStatEntry
{
uint8_t ucIdentifier; /* Unique identifier for statistic. */
const char * const pucDescription; /* Text description for the statistic. */
vTraceAction_t vPerformAction; /* Action to perform when the statistic is updated (increment counter, store minimum value, store maximum value, etc. */
uint32_t ulData; /* The meaning of this data is dependent on the trace macro ID. */
} ExampleDebugStatEntry_t;
/* Unique identifiers used to locate the entry for each trace macro in the
xIPTraceValues[] table defined in DemoIPTrace.c. See the comments at the top of
this file. */
#define iptraceID_NETWORK_INTERFACE_RECEIVE 0
#define iptraceID_NETWORK_INTERFACE_TRANSMIT 1
#define iptraceID_PACKET_DROPPED_TO_GENERATE_ARP 2
#define iptraceID_NETWORK_BUFFER_OBTAINED 3
#define iptraceID_NETWORK_BUFFER_OBTAINED_FROM_ISR 4
#define iptraceID_NETWORK_EVENT_RECEIVED 5
#define iptraceID_FAILED_TO_OBTAIN_NETWORK_BUFFER 6
#define iptraceID_ARP_TABLE_ENTRY_EXPIRED 7
#define iptraceID_FAILED_TO_CREATE_SOCKET 8
#define iptraceID_RECVFROM_DISCARDING_BYTES 9
#define iptraceID_ETHERNET_RX_EVENT_LOST 10
#define iptraceID_STACK_TX_EVENT_LOST 11
#define ipconfigID_BIND_FAILED 12
#define iptraceID_RECVFROM_TIMEOUT 13
#define iptraceID_SENDTO_DATA_TOO_LONG 14
#define iptraceID_SENDTO_SOCKET_NOT_BOUND 15
#define iptraceID_NO_BUFFER_FOR_SENDTO 16
#define iptraceID_WAIT_FOR_TX_DMA_DESCRIPTOR 17
#define iptraceID_FAILED_TO_NOTIFY_SELECT_GROUP 18
#define iptraceID_TOTAL_NETWORK_BUFFERS_OBTAINED 19
#define iptraceID_TOTAL_NETWORK_BUFFERS_RELEASED 20
/* It is possible to remove the trace macros using the
configINCLUDE_DEMO_DEBUG_STATS setting in FreeRTOSIPConfig.h. */
#if configINCLUDE_DEMO_DEBUG_STATS == 1
/* The trace macro definitions themselves. Any trace macros left undefined
will default to be empty macros. See the comments at the top of this
file. */
#define iptraceNETWORK_BUFFER_OBTAINED( pxBufferAddress ) vExampleDebugStatUpdate( iptraceID_NETWORK_BUFFER_OBTAINED, uxQueueMessagesWaiting( ( QueueHandle_t ) xNetworkBufferSemaphore ) ); vExampleDebugStatUpdate( iptraceID_TOTAL_NETWORK_BUFFERS_OBTAINED, 0 )
#define iptraceNETWORK_BUFFER_RELEASED( pxBufferAddress ) vExampleDebugStatUpdate( iptraceID_TOTAL_NETWORK_BUFFERS_RELEASED, 0 )
#define iptraceNETWORK_BUFFER_OBTAINED_FROM_ISR( pxBufferAddress ) vExampleDebugStatUpdate( iptraceID_NETWORK_BUFFER_OBTAINED, uxQueueMessagesWaiting( ( QueueHandle_t ) xNetworkBufferSemaphore ) )
#define iptraceNETWORK_EVENT_RECEIVED( eEvent ) { \
uint16_t usSpace; \
usSpace = ( uint16_t ) uxQueueMessagesWaiting( xNetworkEventQueue ); \
/* Minus one as an event was removed before the space was queried. */ \
usSpace = ( ipconfigEVENT_QUEUE_LENGTH - usSpace ) - 1; \
vExampleDebugStatUpdate( iptraceID_NETWORK_EVENT_RECEIVED, usSpace ); \
}
#define iptraceFAILED_TO_OBTAIN_NETWORK_BUFFER() vExampleDebugStatUpdate( iptraceID_FAILED_TO_OBTAIN_NETWORK_BUFFER, 0 )
#define iptraceARP_TABLE_ENTRY_EXPIRED( ulIPAddress ) vExampleDebugStatUpdate( iptraceID_ARP_TABLE_ENTRY_EXPIRED, 0 )
#define iptracePACKET_DROPPED_TO_GENERATE_ARP( ulIPAddress ) vExampleDebugStatUpdate( iptraceID_PACKET_DROPPED_TO_GENERATE_ARP, 0 )
#define iptraceFAILED_TO_CREATE_SOCKET() vExampleDebugStatUpdate( iptraceID_FAILED_TO_CREATE_SOCKET, 0 )
#define iptraceRECVFROM_DISCARDING_BYTES( xNumberOfBytesDiscarded ) vExampleDebugStatUpdate( iptraceID_RECVFROM_DISCARDING_BYTES, 0 )
#define iptraceETHERNET_RX_EVENT_LOST() vExampleDebugStatUpdate( iptraceID_ETHERNET_RX_EVENT_LOST, 0 )
#define iptraceSTACK_TX_EVENT_LOST( xEvent ) vExampleDebugStatUpdate( iptraceID_STACK_TX_EVENT_LOST, 0 )
#define iptraceBIND_FAILED( xSocket, usPort ) vExampleDebugStatUpdate( ipconfigID_BIND_FAILED, 0 )
#define iptraceNETWORK_INTERFACE_TRANSMIT() vExampleDebugStatUpdate( iptraceID_NETWORK_INTERFACE_TRANSMIT, 0 )
#define iptraceRECVFROM_TIMEOUT() vExampleDebugStatUpdate( iptraceID_RECVFROM_TIMEOUT, 0 )
#define iptraceSENDTO_DATA_TOO_LONG() vExampleDebugStatUpdate( iptraceID_SENDTO_DATA_TOO_LONG, 0 )
#define iptraceSENDTO_SOCKET_NOT_BOUND() vExampleDebugStatUpdate( iptraceID_SENDTO_SOCKET_NOT_BOUND, 0 )
#define iptraceNO_BUFFER_FOR_SENDTO() vExampleDebugStatUpdate( iptraceID_NO_BUFFER_FOR_SENDTO, 0 )
#define iptraceWAITING_FOR_TX_DMA_DESCRIPTOR() vExampleDebugStatUpdate( iptraceID_WAIT_FOR_TX_DMA_DESCRIPTOR, 0 )
#define iptraceFAILED_TO_NOTIFY_SELECT_GROUP( xSocket ) vExampleDebugStatUpdate( iptraceID_FAILED_TO_NOTIFY_SELECT_GROUP, 0 )
#define iptraceNETWORK_INTERFACE_RECEIVE() vExampleDebugStatUpdate( iptraceID_NETWORK_INTERFACE_RECEIVE, 0 )
/*
* The function that updates a line in the xIPTraceValues table.
*/
void vExampleDebugStatUpdate( uint8_t ucIdentifier, uint32_t ulValue );
/*
* Returns the number of entries in the xIPTraceValues table.
*/
BaseType_t xExampleDebugStatEntries( void );
#endif /* configINCLUDE_DEMO_DEBUG_STATS == 1 */
#endif /* DEMO_IP_TRACE_MACROS_H */