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Author SHA1 Message Date
Alexey Bazlaev 8648d1a687 1 2023-01-26 18:14:40 +07:00
Alexey Bazlaev 4896902361 Added EchoServer 2023-01-26 18:06:53 +07:00
11 changed files with 1250 additions and 20 deletions
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288
DemoTasks/SimpleTCPEchoServer.c Normal file
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@ -0,0 +1,288 @@
/*
FreeRTOS V202212.00
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!
*/
/*
* FreeRTOS tasks are used with FreeRTOS+TCP to create a TCP echo server on the
* standard echo port number (7).
*
* See the following web page for essential demo usage and configuration
* details:
* https://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_Echo_Server.html
*/
/* Standard includes. */
#include <stdint.h>
#include <stdio.h>
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"
/* FreeRTOS+TCP includes. */
#include "FreeRTOS_IP.h"
#include "FreeRTOS_Sockets.h"
/* Remove the whole file if FreeRTOSIPConfig.h is set to exclude TCP. */
#if( ipconfigUSE_TCP == 1 )
/* The maximum time to wait for a closing socket to close. */
#define tcpechoSHUTDOWN_DELAY ( pdMS_TO_TICKS( 5000 ) )
/* The standard echo port number. */
#define tcpechoPORT_NUMBER 7
/* If ipconfigUSE_TCP_WIN is 1 then the Tx sockets will use a buffer size set by
ipconfigTCP_TX_BUFFER_LENGTH, and the Tx window size will be
configECHO_SERVER_TX_WINDOW_SIZE times the buffer size. Note
ipconfigTCP_TX_BUFFER_LENGTH is set in FreeRTOSIPConfig.h as it is a standard TCP/IP
stack constant, whereas configECHO_SERVER_TX_WINDOW_SIZE is set in
FreeRTOSConfig.h as it is a demo application constant. */
#ifndef configECHO_SERVER_TX_WINDOW_SIZE
#define configECHO_SERVER_TX_WINDOW_SIZE 2
#endif
/* If ipconfigUSE_TCP_WIN is 1 then the Rx sockets will use a buffer size set by
ipconfigTCP_RX_BUFFER_LENGTH, and the Rx window size will be
configECHO_SERVER_RX_WINDOW_SIZE times the buffer size. Note
ipconfigTCP_RX_BUFFER_LENGTH is set in FreeRTOSIPConfig.h as it is a standard TCP/IP
stack constant, whereas configECHO_SERVER_RX_WINDOW_SIZE is set in
FreeRTOSConfig.h as it is a demo application constant. */
#ifndef configECHO_SERVER_RX_WINDOW_SIZE
#define configECHO_SERVER_RX_WINDOW_SIZE 2
#endif
/*-----------------------------------------------------------*/
/*
* Uses FreeRTOS+TCP to listen for incoming echo connections, creating a task
* to handle each connection.
*/
static void prvConnectionListeningTask( void *pvParameters );
/*
* Created by the connection listening task to handle a single connection.
*/
static void prvServerConnectionInstance( void *pvParameters );
/*-----------------------------------------------------------*/
/* Stores the stack size passed into vStartSimpleTCPServerTasks() so it can be
reused when the server listening task creates tasks to handle connections. */
static uint16_t usUsedStackSize = 0;
/*-----------------------------------------------------------*/
void vStartSimpleTCPServerTasks( uint16_t usStackSize, UBaseType_t uxPriority )
{
/* Create the TCP echo server. */
xTaskCreate( prvConnectionListeningTask, "ServerListener", usStackSize, NULL, uxPriority + 1, NULL );
/* Remember the requested stack size so it can be re-used by the server
listening task when it creates tasks to handle connections. */
usUsedStackSize = usStackSize;
}
/*-----------------------------------------------------------*/
static void prvConnectionListeningTask( void *pvParameters )
{
struct freertos_sockaddr xClient, xBindAddress;
Socket_t xListeningSocket, xConnectedSocket;
socklen_t xSize = sizeof( xClient );
static const TickType_t xReceiveTimeOut = portMAX_DELAY;
const BaseType_t xBacklog = 20;
#if( ipconfigUSE_TCP_WIN == 1 )
WinProperties_t xWinProps;
/* Fill in the buffer and window sizes that will be used by the socket. */
xWinProps.lTxBufSize = ipconfigTCP_TX_BUFFER_LENGTH;
xWinProps.lTxWinSize = configECHO_SERVER_TX_WINDOW_SIZE;
xWinProps.lRxBufSize = ipconfigTCP_RX_BUFFER_LENGTH;
xWinProps.lRxWinSize = configECHO_SERVER_RX_WINDOW_SIZE;
#endif /* ipconfigUSE_TCP_WIN */
/* Just to prevent compiler warnings. */
( void ) pvParameters;
/* Attempt to open the socket. */
xListeningSocket = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_STREAM, FREERTOS_IPPROTO_TCP );
configASSERT( xListeningSocket != FREERTOS_INVALID_SOCKET );
/* Set a time out so accept() will just wait for a connection. */
FreeRTOS_setsockopt( xListeningSocket, 0, FREERTOS_SO_RCVTIMEO, &xReceiveTimeOut, sizeof( xReceiveTimeOut ) );
/* Set the window and buffer sizes. */
#if( ipconfigUSE_TCP_WIN == 1 )
{
FreeRTOS_setsockopt( xListeningSocket, 0, FREERTOS_SO_WIN_PROPERTIES, ( void * ) &xWinProps, sizeof( xWinProps ) );
}
#endif /* ipconfigUSE_TCP_WIN */
/* Bind the socket to the port that the client task will send to, then
listen for incoming connections. */
xBindAddress.sin_port = tcpechoPORT_NUMBER;
xBindAddress.sin_port = FreeRTOS_htons( xBindAddress.sin_port );
FreeRTOS_bind( xListeningSocket, &xBindAddress, sizeof( xBindAddress ) );
FreeRTOS_listen( xListeningSocket, xBacklog );
for( ;; )
{
/* Wait for a client to connect. */
xConnectedSocket = FreeRTOS_accept( xListeningSocket, &xClient, &xSize );
configASSERT( xConnectedSocket != FREERTOS_INVALID_SOCKET );
/* Spawn a task to handle the connection. */
xTaskCreate( prvServerConnectionInstance, "EchoServer", usUsedStackSize, ( void * ) xConnectedSocket, tskIDLE_PRIORITY, NULL );
}
}
/*-----------------------------------------------------------*/
static void prvServerConnectionInstance( void *pvParameters )
{
int32_t lBytes, lSent, lTotalSent;
Socket_t xConnectedSocket;
static const TickType_t xReceiveTimeOut = pdMS_TO_TICKS( 5000 );
static const TickType_t xSendTimeOut = pdMS_TO_TICKS( 5000 );
TickType_t xTimeOnShutdown;
uint8_t *pucRxBuffer;
xConnectedSocket = ( Socket_t ) pvParameters;
/* Attempt to create the buffer used to receive the string to be echoed
back. This could be avoided using a zero copy interface that just returned
the same buffer. */
pucRxBuffer = ( uint8_t * ) pvPortMalloc( ipconfigTCP_MSS );
if( pucRxBuffer != NULL )
{
FreeRTOS_setsockopt( xConnectedSocket, 0, FREERTOS_SO_RCVTIMEO, &xReceiveTimeOut, sizeof( xReceiveTimeOut ) );
FreeRTOS_setsockopt( xConnectedSocket, 0, FREERTOS_SO_SNDTIMEO, &xSendTimeOut, sizeof( xReceiveTimeOut ) );
for( ;; )
{
/* Zero out the receive array so there is NULL at the end of the string
when it is printed out. */
memset( pucRxBuffer, 0x00, ipconfigTCP_MSS );
/* Receive data on the socket. */
lBytes = FreeRTOS_recv( xConnectedSocket, pucRxBuffer, ipconfigTCP_MSS, 0 );
/* If data was received, echo it back. */
if( lBytes >= 0 )
{
lSent = 0;
lTotalSent = 0;
/* Call send() until all the data has been sent. */
while( ( lSent >= 0 ) && ( lTotalSent < lBytes ) )
{
lSent = FreeRTOS_send( xConnectedSocket, pucRxBuffer, lBytes - lTotalSent, 0 );
lTotalSent += lSent;
}
if( lSent < 0 )
{
/* Socket closed? */
break;
}
}
else
{
/* Socket closed? */
break;
}
}
}
/* Initiate a shutdown in case it has not already been initiated. */
FreeRTOS_shutdown( xConnectedSocket, FREERTOS_SHUT_RDWR );
/* Wait for the shutdown to take effect, indicated by FreeRTOS_recv()
returning an error. */
xTimeOnShutdown = xTaskGetTickCount();
do
{
if( FreeRTOS_recv( xConnectedSocket, pucRxBuffer, ipconfigTCP_MSS, 0 ) < 0 )
{
break;
}
} while( ( xTaskGetTickCount() - xTimeOnShutdown ) < tcpechoSHUTDOWN_DELAY );
/* Finished with the socket, buffer, the task. */
vPortFree( pucRxBuffer );
FreeRTOS_closesocket( xConnectedSocket );
vTaskDelete( NULL );
}
/*-----------------------------------------------------------*/
/* The whole file is excluded if TCP is not compiled in. */
#endif /* ipconfigUSE_TCP */

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/*
* FreeRTOS V202212.00
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://aws.amazon.com/freertos
*
*/
/*
* Creates two transmitting tasks and two receiving tasks. The transmitting
* tasks send values that are received by the receiving tasks. One set of tasks
* uses the standard API. The other set of tasks uses the zero copy API.
*
* See the following web page for essential demo usage and configuration
* details:
* https://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/examples_FreeRTOS_simulator.html
*/
/* Standard includes. */
#include <stdint.h>
#include <stdio.h>
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
/* FreeRTOS+TCP includes. */
#include "FreeRTOS_IP.h"
#include "FreeRTOS_Sockets.h"
#define simpTINY_DELAY ( ( TickType_t ) 2 )
/*
* Uses a socket to send data without using the zero copy option.
* prvSimpleServerTask() will receive the data.
*/
static void prvSimpleClientTask( void *pvParameters );
/*
* Uses a socket to receive the data sent by the prvSimpleClientTask() task.
* Does not use the zero copy option.
*/
static void prvSimpleServerTask( void *pvParameters );
/*
* Uses a socket to send data using the zero copy option.
* prvSimpleZeroCopyServerTask() will receive the data.
*/
static void prvSimpleZeroCopyUDPClientTask( void *pvParameters );
/*
* Uses a socket to receive the data sent by the prvSimpleZeroCopyUDPClientTask()
* task. Uses the zero copy option.
*/
static void prvSimpleZeroCopyServerTask( void *pvParameters );
/*-----------------------------------------------------------*/
void vStartSimpleUDPClientServerTasks( uint16_t usStackSize, uint32_t ulPort, UBaseType_t uxPriority )
{
/* Create the client and server tasks that do not use the zero copy
interface. */
xTaskCreate( prvSimpleClientTask, "SimpCpyClnt", usStackSize, ( void * ) ulPort, uxPriority, NULL );
xTaskCreate( prvSimpleServerTask, "SimpCpySrv", usStackSize, ( void * ) ulPort, uxPriority + 1, NULL );
/* Create the client and server tasks that do use the zero copy interface. */
xTaskCreate( prvSimpleZeroCopyUDPClientTask, "SimpZCpyClnt", usStackSize, ( void * ) ( ulPort + 1 ), uxPriority, NULL );
xTaskCreate( prvSimpleZeroCopyServerTask, "SimpZCpySrv", usStackSize, ( void * ) ( ulPort + 1 ), uxPriority + 1, NULL );
}
/*-----------------------------------------------------------*/
static void prvSimpleClientTask( void *pvParameters )
{
Socket_t xClientSocket;
struct freertos_sockaddr xDestinationAddress;
uint8_t cString[ 65 ];
BaseType_t lReturned;
uint32_t ulCount = 0UL, ulIPAddress;
const uint32_t ulLoopsPerSocket = 10UL;
const TickType_t x150ms = 150UL / portTICK_PERIOD_MS;
/* Remove compiler warning about unused parameters. */
( void ) pvParameters;
/* It is assumed that this task is not created until the network is up,
so the IP address can be obtained immediately. store the IP address being
used in ulIPAddress. This is done so the socket can send to a different
port on the same IP address. */
FreeRTOS_GetAddressConfiguration( &ulIPAddress, NULL, NULL, NULL );
/* This test sends to itself, so data sent from here is received by a server
socket on the same IP address. Setup the freertos_sockaddr structure with
this nodes IP address, and the port number being sent to. The strange
casting is to try and remove compiler warnings on 32 bit machines. */
xDestinationAddress.sin_addr = ulIPAddress;
xDestinationAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
xDestinationAddress.sin_port = FreeRTOS_htons( xDestinationAddress.sin_port );
for( ;; )
{
/* Create the socket. */
xClientSocket = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_DGRAM, FREERTOS_IPPROTO_UDP );
configASSERT( xClientSocket != FREERTOS_INVALID_SOCKET );
/* The count is used to differentiate between different messages sent to
the server, and to break out of the do while loop below. */
ulCount = 0UL;
do
{
/* Create the string that is sent to the server. */
printf( ( char * ) cString, "Server received (not zero copy): Message number %lu\r\n", ulCount );
/* Send the string to the socket. ulFlags is set to 0, so the zero
copy option is not selected. That means the data from cString[] is
copied into a network buffer inside FreeRTOS_sendto(), and cString[]
can be reused as soon as FreeRTOS_sendto() has returned. */
lReturned = FreeRTOS_sendto( xClientSocket, ( void * ) cString, strlen( ( const char * ) cString ), 0, &xDestinationAddress, sizeof( xDestinationAddress ) );
ulCount++;
} while( ( lReturned != FREERTOS_SOCKET_ERROR ) && ( ulCount < ulLoopsPerSocket ) );
FreeRTOS_closesocket( xClientSocket );
/* A short delay to prevent the messages printed by the server task
scrolling off the screen too quickly, and to prevent reduce the network
loading. */
vTaskDelay( x150ms );
}
}
/*-----------------------------------------------------------*/
static void prvSimpleServerTask( void *pvParameters )
{
int32_t lBytes;
uint8_t cReceivedString[ 60 ];
struct freertos_sockaddr xClient, xBindAddress;
uint32_t xClientLength = sizeof( xClient );
Socket_t xListeningSocket;
/* Just to prevent compiler warnings. */
( void ) pvParameters;
/* Attempt to open the socket. */
xListeningSocket = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_DGRAM, FREERTOS_IPPROTO_UDP );
configASSERT( xListeningSocket != FREERTOS_INVALID_SOCKET );
/* This test receives data sent from a different port on the same IP
address. Configure the freertos_sockaddr structure with the address being
bound to. The strange casting is to try and remove compiler warnings on 32
bit machines. Note that this task is only created after the network is up,
so the IP address is valid here. */
xBindAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
xBindAddress.sin_port = FreeRTOS_htons( xBindAddress.sin_port );
/* Bind the socket to the port that the client task will send to. */
FreeRTOS_bind( xListeningSocket, &xBindAddress, sizeof( xBindAddress ) );
for( ;; )
{
/* Zero out the receive array so there is NULL at the end of the string
when it is printed out. */
memset( cReceivedString, 0x00, sizeof( cReceivedString ) );
/* Receive data on the socket. ulFlags is zero, so the zero copy option
is not set and the received data is copied into the buffer pointed to by
cReceivedString. By default the block time is portMAX_DELAY.
xClientLength is not actually used by FreeRTOS_recvfrom(), but is set
appropriately in case future versions do use it. */
lBytes = FreeRTOS_recvfrom( xListeningSocket, cReceivedString, sizeof( cReceivedString ), 0, &xClient, &xClientLength );
/* Error check. */
configASSERT( lBytes == ( BaseType_t ) strlen( ( const char * ) cReceivedString ) );
}
}
/*-----------------------------------------------------------*/
static void prvSimpleZeroCopyUDPClientTask( void *pvParameters )
{
Socket_t xClientSocket;
uint8_t *pucUDPPayloadBuffer;
struct freertos_sockaddr xDestinationAddress;
BaseType_t lReturned;
uint32_t ulCount = 0UL, ulIPAddress;
const uint32_t ulLoopsPerSocket = 10UL;
const char *pcStringToSend = "Server received (using zero copy): Message number ";
const TickType_t x150ms = 150UL / portTICK_PERIOD_MS;
/* 15 is added to ensure the number, \r\n and terminating zero fit. */
const size_t xStringLength = strlen( pcStringToSend ) + 15;
/* Remove compiler warning about unused parameters. */
( void ) pvParameters;
/* It is assumed that this task is not created until the network is up,
so the IP address can be obtained immediately. store the IP address being
used in ulIPAddress. This is done so the socket can send to a different
port on the same IP address. */
FreeRTOS_GetAddressConfiguration( &ulIPAddress, NULL, NULL, NULL );
/* This test sends to itself, so data sent from here is received by a server
socket on the same IP address. Setup the freertos_sockaddr structure with
this nodes IP address, and the port number being sent to. The strange
casting is to try and remove compiler warnings on 32 bit machines. */
xDestinationAddress.sin_addr = ulIPAddress;
xDestinationAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
xDestinationAddress.sin_port = FreeRTOS_htons( xDestinationAddress.sin_port );
for( ;; )
{
/* Create the socket. */
xClientSocket = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_DGRAM, FREERTOS_IPPROTO_UDP );
configASSERT( xClientSocket != FREERTOS_INVALID_SOCKET );
/* The count is used to differentiate between different messages sent to
the server, and to break out of the do while loop below. */
ulCount = 0UL;
do
{
/* This task is going to send using the zero copy interface. The
data being sent is therefore written directly into a buffer that is
passed into, rather than copied into, the FreeRTOS_sendto()
function.
First obtain a buffer of adequate length from the IP stack into which
the string will be written. Although a max delay is used, the actual
delay will be capped to ipconfigMAX_SEND_BLOCK_TIME_TICKS, hence
the do while loop is used to ensure a buffer is obtained. */
do
{
} while( ( pucUDPPayloadBuffer = ( uint8_t * ) FreeRTOS_GetUDPPayloadBuffer( xStringLength, portMAX_DELAY ) ) == NULL );
/* A buffer was successfully obtained. Create the string that is
sent to the server. First the string is filled with zeros as this will
effectively be the null terminator when the string is received at the other
end. Note that the string is being written directly into the buffer
obtained from the IP stack above. */
memset( ( void * ) pucUDPPayloadBuffer, 0x00, xStringLength );
printf( ( char * ) pucUDPPayloadBuffer, "%s%lu\r\n", pcStringToSend, ulCount );
/* Pass the buffer into the send function. ulFlags has the
FREERTOS_ZERO_COPY bit set so the IP stack will take control of the
buffer rather than copy data out of the buffer. */
lReturned = FreeRTOS_sendto( xClientSocket, /* The socket being sent to. */
( void * ) pucUDPPayloadBuffer, /* A pointer to the the data being sent. */
strlen( ( const char * ) pucUDPPayloadBuffer ) + 1, /* The length of the data being sent - including the string's null terminator. */
FREERTOS_ZERO_COPY, /* ulFlags with the FREERTOS_ZERO_COPY bit set. */
&xDestinationAddress, /* Where the data is being sent. */
sizeof( xDestinationAddress ) );
if( lReturned == 0 )
{
/* The send operation failed, so this task is still responsible
for the buffer obtained from the IP stack. To ensure the buffer
is not lost it must either be used again, or, as in this case,
returned to the IP stack using FreeRTOS_ReleaseUDPPayloadBuffer().
pucUDPPayloadBuffer can be safely re-used after this call. */
FreeRTOS_ReleaseUDPPayloadBuffer( ( void * ) pucUDPPayloadBuffer );
}
else
{
/* The send was successful so the IP stack is now managing the
buffer pointed to by pucUDPPayloadBuffer, and the IP stack will
return the buffer once it has been sent. pucUDPPayloadBuffer can
be safely re-used. */
}
ulCount++;
} while( ( lReturned != FREERTOS_SOCKET_ERROR ) && ( ulCount < ulLoopsPerSocket ) );
FreeRTOS_closesocket( xClientSocket );
/* A short delay to prevent the messages scrolling off the screen too
quickly. */
vTaskDelay( x150ms );
}
}
/*-----------------------------------------------------------*/
static void prvSimpleZeroCopyServerTask( void *pvParameters )
{
int32_t lBytes;
uint8_t *pucUDPPayloadBuffer;
struct freertos_sockaddr xClient, xBindAddress;
uint32_t xClientLength = sizeof( xClient ), ulIPAddress;
Socket_t xListeningSocket;
/* Just to prevent compiler warnings. */
( void ) pvParameters;
/* Attempt to open the socket. */
xListeningSocket = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_DGRAM, FREERTOS_IPPROTO_UDP );
configASSERT( xListeningSocket != FREERTOS_INVALID_SOCKET );
/* This test receives data sent from a different port on the same IP address.
Obtain the nodes IP address. Configure the freertos_sockaddr structure with
the address being bound to. The strange casting is to try and remove
compiler warnings on 32 bit machines. Note that this task is only created
after the network is up, so the IP address is valid here. */
FreeRTOS_GetAddressConfiguration( &ulIPAddress, NULL, NULL, NULL );
xBindAddress.sin_addr = ulIPAddress;
xBindAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
xBindAddress.sin_port = FreeRTOS_htons( xBindAddress.sin_port );
/* Bind the socket to the port that the client task will send to. */
FreeRTOS_bind( xListeningSocket, &xBindAddress, sizeof( xBindAddress ) );
for( ;; )
{
/* Receive data on the socket. ulFlags has the zero copy bit set
(FREERTOS_ZERO_COPY) indicating to the stack that a reference to the
received data should be passed out to this task using the second
parameter to the FreeRTOS_recvfrom() call. When this is done the
IP stack is no longer responsible for releasing the buffer, and
the task *must* return the buffer to the stack when it is no longer
needed. By default the block time is portMAX_DELAY. */
lBytes = FreeRTOS_recvfrom( xListeningSocket, ( void * ) &pucUDPPayloadBuffer, 0, FREERTOS_ZERO_COPY, &xClient, &xClientLength );
/* Print the received characters. */
if( lBytes > 0 )
{
/* It is expected to receive one more byte than the string length as
the NULL terminator is also transmitted. */
configASSERT( lBytes == ( ( BaseType_t ) strlen( ( const char * ) pucUDPPayloadBuffer ) + 1 ) );
}
if( lBytes >= 0 )
{
/* The buffer *must* be freed once it is no longer needed. */
FreeRTOS_ReleaseUDPPayloadBuffer( pucUDPPayloadBuffer );
}
}
}

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/*
* FreeRTOS V202212.00
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://github.com/FreeRTOS
*
*/
/*
* A set of tasks are created that send TCP echo requests to the standard echo
* port (port 7) on the IP address set by the configECHO_SERVER_ADDR0 to
* configECHO_SERVER_ADDR3 constants, then wait for and verify the reply
* (another demo is available that demonstrates the reception being performed in
* a task other than that from with the request was made).
*
* See the following web page for essential demo usage and configuration
* details:
* https://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/examples_FreeRTOS_simulator.html
*/
/* Standard includes. */
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
/* FreeRTOS+TCP includes. */
#include "FreeRTOS_IP.h"
#include "FreeRTOS_Sockets.h"
#include "tcp_echo_config.h"
/* Exclude the whole file if FreeRTOSIPConfig.h is configured to use UDP only. */
#if( ipconfigUSE_TCP == 1 )
/* The echo tasks create a socket, send out a number of echo requests, listen
for the echo reply, then close the socket again before starting over. This
delay is used between each iteration to ensure the network does not get too
congested. */
#define echoLOOP_DELAY ( ( TickType_t ) 150 / portTICK_PERIOD_MS )
/* The echo server is assumed to be on port 7, which is the standard echo
protocol port. */
#define echoECHO_PORT ( 7 )
/* The size of the buffers is a multiple of the MSS - the length of the data
sent is a pseudo random size between 20 and echoBUFFER_SIZES. */
#define echoBUFFER_SIZE_MULTIPLIER ( 3 )
#define echoBUFFER_SIZES ( ipconfigTCP_MSS * echoBUFFER_SIZE_MULTIPLIER )
/* The number of instances of the echo client task to create. */
#define echoNUM_ECHO_CLIENTS ( 5 )
/*-----------------------------------------------------------*/
/*
* Uses a socket to send data to, then receive data from, the standard echo
* port number 7.
*/
static void prvEchoClientTask( void *pvParameters );
/*
* Creates a pseudo random sized buffer of data to send to the echo server.
*/
static BaseType_t prvCreateTxData( char *ucBuffer, uint32_t ulBufferLength );
/*-----------------------------------------------------------*/
/* Rx and Tx time outs are used to ensure the sockets do not wait too long for
missing data. */
static const TickType_t xReceiveTimeOut = pdMS_TO_TICKS( 4000 );
static const TickType_t xSendTimeOut = pdMS_TO_TICKS( 2000 );
/* Counters for each created task - for inspection only. */
static uint32_t ulTxRxCycles[ echoNUM_ECHO_CLIENTS ] = { 0 },
ulTxRxFailures[ echoNUM_ECHO_CLIENTS ] = { 0 },
ulConnections[ echoNUM_ECHO_CLIENTS ] = { 0 };
/* Rx and Tx buffers for each created task. */
static char cTxBuffers[ echoNUM_ECHO_CLIENTS ][ echoBUFFER_SIZES ],
cRxBuffers[ echoNUM_ECHO_CLIENTS ][ echoBUFFER_SIZES ];
/*-----------------------------------------------------------*/
void vStartTCPEchoClientTasks_SingleTasks( uint16_t usTaskStackSize, UBaseType_t uxTaskPriority )
{
BaseType_t x;
/* Create the echo client tasks. */
for( x = 0; x < echoNUM_ECHO_CLIENTS; x++ )
{
xTaskCreate( prvEchoClientTask, /* The function that implements the task. */
"Echo0", /* Just a text name for the task to aid debugging. */
usTaskStackSize, /* The stack size is defined in FreeRTOSIPConfig.h. */
( void * ) x, /* The task parameter, not used in this case. */
uxTaskPriority, /* The priority assigned to the task is defined in FreeRTOSConfig.h. */
NULL ); /* The task handle is not used. */
}
}
/*-----------------------------------------------------------*/
static void prvEchoClientTask( void *pvParameters )
{
Socket_t xSocket;
struct freertos_sockaddr xEchoServerAddress;
int32_t lLoopCount = 0UL;
const int32_t lMaxLoopCount = 1;
volatile uint32_t ulTxCount = 0UL;
BaseType_t xReceivedBytes, xReturned, xInstance;
BaseType_t lTransmitted, lStringLength;
char *pcTransmittedString, *pcReceivedString;
WinProperties_t xWinProps;
TickType_t xTimeOnEntering;
/* Fill in the buffer and window sizes that will be used by the socket. */
xWinProps.lTxBufSize = 6 * ipconfigTCP_MSS;
xWinProps.lTxWinSize = 3;
xWinProps.lRxBufSize = 6 * ipconfigTCP_MSS;
xWinProps.lRxWinSize = 3;
/* This task can be created a number of times. Each instance is numbered
to enable each instance to use a different Rx and Tx buffer. The number is
passed in as the task's parameter. */
xInstance = ( BaseType_t ) pvParameters;
/* Point to the buffers to be used by this instance of this task. */
pcTransmittedString = &( cTxBuffers[ xInstance ][ 0 ] );
pcReceivedString = &( cRxBuffers[ xInstance ][ 0 ] );
/* Echo requests are sent to the echo server. The address of the echo
server is configured by the constants configECHO_SERVER_ADDR0 to
configECHO_SERVER_ADDR3 in FreeRTOSConfig.h. */
xEchoServerAddress.sin_port = FreeRTOS_htons( echoECHO_PORT );
xEchoServerAddress.sin_addr = FreeRTOS_inet_addr( configECHO_SERVER_ADDR );
for( ;; )
{
/* Create a TCP socket. */
xSocket = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_STREAM, FREERTOS_IPPROTO_TCP );
configASSERT( xSocket != FREERTOS_INVALID_SOCKET );
/* Set a time out so a missing reply does not cause the task to block
indefinitely. */
FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_RCVTIMEO, &xReceiveTimeOut, sizeof( xReceiveTimeOut ) );
FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_SNDTIMEO, &xSendTimeOut, sizeof( xSendTimeOut ) );
/* Set the window and buffer sizes. */
FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_WIN_PROPERTIES, ( void * ) &xWinProps, sizeof( xWinProps ) );
/* Connect to the echo server. */
if( FreeRTOS_connect( xSocket, &xEchoServerAddress, sizeof( xEchoServerAddress ) ) == 0 )
{
ulConnections[ xInstance ]++;
/* Send a number of echo requests. */
for( lLoopCount = 0; lLoopCount < lMaxLoopCount; lLoopCount++ )
{
/* Create the string that is sent to the echo server. */
lStringLength = prvCreateTxData( pcTransmittedString, echoBUFFER_SIZES );
/* Add in some unique text at the front of the string. */
sprintf( pcTransmittedString, "TxRx message number %u", ulTxCount );
ulTxCount++;
/* Send the string to the socket. */
lTransmitted = FreeRTOS_send( xSocket, /* The socket being sent to. */
( void * ) pcTransmittedString, /* The data being sent. */
lStringLength, /* The length of the data being sent. */
0 ); /* No flags. */
if( lTransmitted < 0 )
{
/* Error? */
break;
}
/* Clear the buffer into which the echoed string will be
placed. */
memset( ( void * ) pcReceivedString, 0x00, echoBUFFER_SIZES );
xReceivedBytes = 0;
/* Receive data echoed back to the socket. */
while( xReceivedBytes < lTransmitted )
{
xReturned = FreeRTOS_recv( xSocket, /* The socket being received from. */
&( pcReceivedString[ xReceivedBytes ] ),/* The buffer into which the received data will be written. */
lStringLength - xReceivedBytes, /* The size of the buffer provided to receive the data. */
0 ); /* No flags. */
if( xReturned < 0 )
{
/* Error occurred. Latch it so it can be detected
below. */
xReceivedBytes = xReturned;
break;
}
else if( xReturned == 0 )
{
/* Timed out. */
break;
}
else
{
/* Keep a count of the bytes received so far. */
xReceivedBytes += xReturned;
}
}
/* If an error occurred it will be latched in xReceivedBytes,
otherwise xReceived bytes will be just that - the number of
bytes received from the echo server. */
if( xReceivedBytes > 0 )
{
/* Compare the transmitted string to the received string. */
configASSERT( strncmp( pcReceivedString, pcTransmittedString, lTransmitted ) == 0 );
if( strncmp( pcReceivedString, pcTransmittedString, lTransmitted ) == 0 )
{
/* The echo reply was received without error. */
ulTxRxCycles[ xInstance ]++;
}
else
{
/* The received string did not match the transmitted
string. */
ulTxRxFailures[ xInstance ]++;
break;
}
}
else if( xReceivedBytes < 0 )
{
/* FreeRTOS_recv() returned an error. */
break;
}
else
{
/* Timed out without receiving anything? */
break;
}
}
/* Finished using the connected socket, initiate a graceful close:
FIN, FIN+ACK, ACK. */
FreeRTOS_shutdown( xSocket, FREERTOS_SHUT_RDWR );
/* Expect FreeRTOS_recv() to return an error once the shutdown is
complete. */
xTimeOnEntering = xTaskGetTickCount();
do
{
xReturned = FreeRTOS_recv( xSocket, /* The socket being received from. */
&( pcReceivedString[ 0 ] ), /* The buffer into which the received data will be written. */
echoBUFFER_SIZES, /* The size of the buffer provided to receive the data. */
0 );
if( xReturned < 0 )
{
break;
}
} while( ( xTaskGetTickCount() - xTimeOnEntering ) < xReceiveTimeOut );
}
/* Close this socket before looping back to create another. */
FreeRTOS_closesocket( xSocket );
/* Pause for a short while to ensure the network is not too
congested. */
vTaskDelay( echoLOOP_DELAY );
}
}
/*-----------------------------------------------------------*/
static BaseType_t prvCreateTxData( char *cBuffer, uint32_t ulBufferLength )
{
BaseType_t lCharactersToAdd, lCharacter;
char cChar = '0';
const BaseType_t lMinimumLength = 60;
uint32_t ulRandomNumber;
/* Randomise the number of characters that will be sent in the echo
request. */
do
{
( void ) xApplicationGetRandomNumber( &ulRandomNumber );
lCharactersToAdd = ulRandomNumber % ( ulBufferLength - 20UL );
} while ( ( lCharactersToAdd == 0 ) || ( lCharactersToAdd < lMinimumLength ) ); /* Must be at least enough to add the unique text to the start of the string later. */
/* Fill the buffer. */
for( lCharacter = 0; lCharacter < lCharactersToAdd; lCharacter++ )
{
cBuffer[ lCharacter ] = cChar;
cChar++;
if( cChar > '~' )
{
cChar = '0';
}
}
return lCharactersToAdd;
}
/*-----------------------------------------------------------*/
BaseType_t xAreSingleTaskTCPEchoClientsStillRunning( void )
{
static uint32_t ulLastEchoSocketCount[ echoNUM_ECHO_CLIENTS ] = { 0 }, ulLastConnections[ echoNUM_ECHO_CLIENTS ] = { 0 };
BaseType_t xReturn = pdPASS, x;
/* Return fail is the number of cycles does not increment between
consecutive calls. */
for( x = 0; x < echoNUM_ECHO_CLIENTS; x++ )
{
if( ulTxRxCycles[ x ] == ulLastEchoSocketCount[ x ] )
{
xReturn = pdFAIL;
}
else
{
ulLastEchoSocketCount[ x ] = ulTxRxCycles[ x ];
}
if( ulConnections[ x ] == ulLastConnections[ x ] )
{
xReturn = pdFAIL;
}
else
{
ulConnections[ x ] = ulLastConnections[ x ];
}
}
return xReturn;
}
#endif /* ipconfigUSE_TCP */

76
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@ -0,0 +1,76 @@
/*
FreeRTOS V202212.00
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!
*/
#ifndef SIMPLE_TCP_ECHO_SERVER_H
#define SIMPLE_TCP_ECHO_SERVER_H
void vStartSimpleTCPServerTasks( uint16_t usStackSize, BaseType_t uxPriority );
BaseType_t xAreTCPEchoServersStillRunning( void );
#endif /* SIMPLE_TCP_ECHO_SERVER_H */

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@ -0,0 +1,32 @@
/*
* FreeRTOS V202212.00
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://aws.amazon.com/freertos
*
*/
#ifndef SIMPLE_UDP_CLIENT_AND_SERVER_H
#define SIMPLE_UDP_CLIENT_AND_SERVER_H
void vStartSimpleUDPClientServerTasks( uint16_t usStackSize, uint32_t ulsPort, UBaseType_t uxPriority );
#endif /* SIMPLE_UDPCLIENT_AND_SERVER_H */

39
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@ -0,0 +1,39 @@
/*
* FreeRTOS V202212.00
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://aws.amazon.com/freertos
*
*/
#ifndef SINGLE_TASK_TCP_ECHO_CLIENTS_H
#define SINGLE_TASK_TCP_ECHO_CLIENTS_H
/*
* Create the TCP echo client tasks. This is the version where an echo request
* is made from the same task that listens for the echo reply.
*/
void vStartTCPEchoClientTasks_SingleTasks( uint16_t usTaskStackSize, UBaseType_t uxTaskPriority );
BaseType_t xAreSingleTaskTCPEchoClientsStillRunning( void );
#endif /* SINGLE_TASK_TCP_ECHO_CLIENTS_H */

35
DemoTasks/include/tcp_echo_config.h Normal file
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@ -0,0 +1,35 @@
/*
* FreeRTOS V202212.00
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://github.com/FreeRTOS
*
*/
/* TCP Echo Demo configuration */
#ifndef TCP_ECHO_CONFIG_H_
#define TCP_ECHO_CONFIG_H_
#define configECHO_SERVER_ADDR "127.0.0.1"
#define configECHO_SERVER_PORT ( 9000U )
#endif /* TCP_ECHO_CONFIG_H_ */

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55
Test_project_for_GD32107C-EVAL.uvguix.right
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10
Test_project_for_GD32107C-EVAL.uvoptx
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@ -229,7 +229,7 @@
<GroupNumber>1</GroupNumber>
<FileNumber>1</FileNumber>
<FileType>1</FileType>
<tvExp>0</tvExp>
<tvExp>1</tvExp>
<tvExpOptDlg>0</tvExpOptDlg>
<bDave2>0</bDave2>
<PathWithFileName>.\main.c</PathWithFileName>
@ -241,7 +241,7 @@
<GroupNumber>1</GroupNumber>
<FileNumber>2</FileNumber>
<FileType>1</FileType>
<tvExp>0</tvExp>
<tvExp>1</tvExp>
<tvExpOptDlg>0</tvExpOptDlg>
<bDave2>0</bDave2>
<PathWithFileName>.\DemoTasks\SimpleTCPEchoServer.c</PathWithFileName>
@ -253,7 +253,7 @@
<GroupNumber>1</GroupNumber>
<FileNumber>3</FileNumber>
<FileType>1</FileType>
<tvExp>1</tvExp>
<tvExp>0</tvExp>
<tvExpOptDlg>0</tvExpOptDlg>
<bDave2>0</bDave2>
<PathWithFileName>.\DemoTasks\SimpleUDPClientAndServer.c</PathWithFileName>
@ -277,7 +277,7 @@
<Group>
<GroupName>FreeRTOS</GroupName>
<tvExp>0</tvExp>
<tvExp>1</tvExp>
<tvExpOptDlg>0</tvExpOptDlg>
<cbSel>0</cbSel>
<RteFlg>0</RteFlg>
@ -501,7 +501,7 @@
<GroupNumber>2</GroupNumber>
<FileNumber>23</FileNumber>
<FileType>1</FileType>
<tvExp>0</tvExp>
<tvExp>1</tvExp>
<tvExpOptDlg>0</tvExpOptDlg>
<bDave2>0</bDave2>
<PathWithFileName>.\FreeRTOS\source\FreeRTOS_TCP_Utils.c</PathWithFileName>

23
main.c
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@ -4,9 +4,14 @@
#include "gd32f10x_gpio.h"
#include "stdio.h"
/* System application includes. */
#include "FreeRTOSIPConfig.h"
/* Demo application includes. */
#include "FreeRTOS_IP.h"
#include "FreeRTOS_Sockets.h"
#include "FreeRTOS_DHCP.h"
#include "SimpleUDPClientAndServer.h"
#include "SimpleTCPEchoServer.h"
#include "TCPEchoClient_SingleTasks.h"
#define BUTTON_USER GPIO_PIN_14
@ -25,6 +30,22 @@
#define mainCREATE_TCP_ECHO_TASKS_SINGLE 0
#define mainCREATE_TCP_ECHO_SERVER_TASK 0
/* Simple UDP client and server task parameters. */
#define mainSIMPLE_UDP_CLIENT_SERVER_TASK_PRIORITY ( tskIDLE_PRIORITY )
#define mainSIMPLE_UDP_CLIENT_SERVER_PORT ( 5005UL )
/* Echo client task parameters - used for both TCP and UDP echo clients. */
#define mainECHO_CLIENT_TASK_STACK_SIZE ( configMINIMAL_STACK_SIZE * 2 ) /* Not used in the Windows port. */
#define mainECHO_CLIENT_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
/* Echo server task parameters. */
#define mainECHO_SERVER_TASK_STACK_SIZE ( configMINIMAL_STACK_SIZE * 2 ) /* Not used in the Windows port. */
#define mainECHO_SERVER_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
/* Define a name that will be used for LLMNR and NBNS searches. */
//#define mainHOST_NAME "RTOSDemo"
//#define mainDEVICE_NICK_NAME "windows_demo"
/* Default MAC address configuration. The demo creates a virtual network
* connection that uses this MAC address by accessing the raw Ethernet data
* to and from a real network connection on the host PC. See the