Compile freeRTOS with open62541 errors #2893

mrburen121 · 2019-07-18T09:17:46Z

Description

After creating the amalgamation header/source files and included them in my project I get some compiling errors. Did I forgot to include some parameters/files?

Language: -std=gnu99 (-std=c99 is also not working)
Compiler flags: -c -fmessage-length=0 -fno-builtin -ffunction-sections -fdata-sections -UA_ARCHITECTURE_FREERTOSLWIP

In file included from ../src/open62541.c:28:
../src/open62541.c: In function 'UA_PubSubChannelUDPMC_open':
/home/chris/GitHub/OPCUA-RTOSServer/lwip_freertos_tcpecho/inc/open62541.h:284:27: warning: implicit declaration of function 'ip4addr_aton'; did you mean 'ipaddr_aton'? [-Wimplicit-function-declaration]
      (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0)
                           ^~~~~~~~~~~~
../src/open62541.c:56076:9: note: in expansion of macro 'UA_inet_pton'
         UA_inet_pton(AF_INET, addressAsChar, &imr_interface);
         ^~~~~~~~~~~~
/home/chris/GitHub/OPCUA-RTOSServer/lwip_freertos_tcpecho/inc/open62541.h:284:47: error: 'ip4_addr_t' undeclared (first use in this function); did you mean 'ip_addr_t'?
      (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0)
                                               ^~~~~~~~~~
../src/open62541.c:56076:9: note: in expansion of macro 'UA_inet_pton'
         UA_inet_pton(AF_INET, addressAsChar, &imr_interface);
         ^~~~~~~~~~~~
/home/chris/GitHub/OPCUA-RTOSServer/lwip_freertos_tcpecho/inc/open62541.h:284:47: note: each undeclared identifier is reported only once for each function it appears in
      (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0)
                                               ^~~~~~~~~~
../src/open62541.c:56076:9: note: in expansion of macro 'UA_inet_pton'
         UA_inet_pton(AF_INET, addressAsChar, &imr_interface);
         ^~~~~~~~~~~~
/home/chris/GitHub/OPCUA-RTOSServer/lwip_freertos_tcpecho/inc/open62541.h:284:58: error: expected expression before ')' token
      (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0)
                                                          ^
../src/open62541.c:56076:9: note: in expansion of macro 'UA_inet_pton'
         UA_inet_pton(AF_INET, addressAsChar, &imr_interface);
         ^~~~~~~~~~~~
../src/open62541.c:56100:81: error: invalid application of 'sizeof' to incomplete type 'struct sockaddr_storage'
     channelDataUDPMC->ai_addr = (struct sockaddr_storage *) UA_calloc(1, sizeof(struct sockaddr_storage));
                                                                                 ^~~~~~
../src/open62541.c:56123:22: error: 'IP_MULTICAST_LOOP' undeclared (first use in this function); did you mean 'IP_MULTICAST'?
                      IP_MULTICAST_LOOP,
                      ^~~~~~~~~~~~~~~~~
                      IP_MULTICAST
../src/open62541.c:56145:22: error: 'IP_MULTICAST_TTL' undeclared (first use in this function); did you mean 'IP_MULTICAST'?
                      IP_MULTICAST_TTL,
                      ^~~~~~~~~~~~~~~~
                      IP_MULTICAST
../src/open62541.c:56178:28: error: field 'ipv4' has incomplete type
             struct ip_mreq ipv4;
                            ^~~~
In file included from ../src/open62541.c:28:
/home/chris/GitHub/OPCUA-RTOSServer/lwip_freertos_tcpecho/inc/open62541.h:284:58: error: expected expression before ')' token
      (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0)
                                                          ^
../src/open62541.c:56183:12: note: in expansion of macro 'UA_inet_pton'
         if(UA_inet_pton(AF_INET, interfaceAsChar, &group.ipv4.imr_interface)){
            ^~~~~~~~~~~~
../src/open62541.c:56203:28: error: 'IP_MULTICAST_IF' undeclared (first use in this function); did you mean 'IP_MULTICAST'?
                            IP_MULTICAST_IF,
                            ^~~~~~~~~~~~~~~
                            IP_MULTICAST
../src/open62541.c:56182:11: warning: variable 'group' set but not used [-Wunused-but-set-variable]
         } group;
           ^~~~~
../src/open62541.c: In function 'UA_PubSubChannelUDPMC_regist':
../src/open62541.c:56238:24: error: storage size of 'groupV4' isn't known
         struct ip_mreq groupV4;
                        ^~~~~~~
../src/open62541.c:56239:115: error: invalid application of 'sizeof' to incomplete type 'struct ip_mreq'
         memcpy(&groupV4.imr_multiaddr, &((const struct sockaddr_in *)connectionConfig->ai_addr)->sin_addr, sizeof(struct ip_mreq));
                                                                                                                   ^~~~~~
../src/open62541.c:56243:55: error: 'IP_ADD_MEMBERSHIP' undeclared (first use in this function)
         if(UA_setsockopt(channel->sockfd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char *) &groupV4, sizeof(groupV4)) != 0) {
                                                       ^~~~~~~~~~~~~~~~~
../src/open62541.c:56238:24: warning: unused variable 'groupV4' [-Wunused-variable]
         struct ip_mreq groupV4;
                        ^~~~~~~
../src/open62541.c: In function 'UA_PubSubChannelUDPMC_unregist':
../src/open62541.c:56271:24: error: storage size of 'groupV4' isn't known
         struct ip_mreq groupV4;
                        ^~~~~~~
../src/open62541.c:56272:115: error: invalid application of 'sizeof' to incomplete type 'struct ip_mreq'
         memcpy(&groupV4.imr_multiaddr, &((const struct sockaddr_in *)connectionConfig->ai_addr)->sin_addr, sizeof(struct ip_mreq));
                                                                                                                   ^~~~~~
../src/open62541.c:56275:55: error: 'IP_DROP_MEMBERSHIP' undeclared (first use in this function)
         if(UA_setsockopt(channel->sockfd, IPPROTO_IP, IP_DROP_MEMBERSHIP, (char *) &groupV4, sizeof(groupV4)) != 0){
                                                       ^~~~~~~~~~~~~~~~~~
../src/open62541.c:56271:24: warning: unused variable 'groupV4' [-Wunused-variable]
         struct ip_mreq groupV4;
                        ^~~~~~~
../src/open62541.c: In function 'UA_PubSubChannelUDPMC_send':
../src/open62541.c:56306:81: error: invalid application of 'sizeof' to incomplete type 'struct sockaddr_storage'
                         (struct sockaddr *) channelConfigUDPMC->ai_addr, sizeof(struct sockaddr_storage));
                                                                                 ^~~~~~
../src/open62541.c: In function 'UA_PubSubChannelUDPMC_receive':
../src/open62541.c:56349:9: error: unknown type name 'ssize_t'; did you mean 'size_t'?
         ssize_t messageLength;
         ^~~~~~~
         size_t
../src/open62541.c: In function 'connection_write':
../src/open62541.c:56555:9: error: unknown type name 'ssize_t'; did you mean 'size_t'?
         ssize_t n = 0;
         ^~~~~~~
         size_t
../src/open62541.c: In function 'connection_recv':
../src/open62541.c:56624:5: error: unknown type name 'ssize_t'; did you mean 'size_t'?
     ssize_t ret = UA_recv(connection->sockfd, (char*)&response->data[offset],
     ^~~~~~~
     size_t
../src/open62541.c: In function 'ServerNetworkLayerTCP_start':
../src/open62541.c:56845:22: error: 'AI_PASSIVE' undeclared (first use in this function)
     hints.ai_flags = AI_PASSIVE;
                      ^~~~~~~~~~
../src/open62541.c: In function 'ServerNetworkLayerTCP_listen':
../src/open62541.c:56934:16: error: 'remote' undeclared (first use in this function); did you mean 'remove'?
         sizeof(remote);
                ^~~~~~
                remove
../src/open62541.c:56935:33: error: storage size of 'remote' isn't known
         struct sockaddr_storage remote;
                                 ^~~~~~
../src/open62541.c:56935:33: warning: unused variable 'remote' [-Wunused-variable]
In file included from ../src/open62541.c:28:
../src/open62541.c: In function 'UA_ClientConnectionTCP':
/home/chris/GitHub/OPCUA-RTOSServer/lwip_freertos_tcpecho/inc/open62541.h:183:35: warning: implicit declaration of function 'pdMS_TO_TICKS' [-Wimplicit-function-declaration]
 #define UA_sleep_ms(X) vTaskDelay(pdMS_TO_TICKS(X))
                                   ^~~~~~~~~~~~~
../src/open62541.c:57479:21: note: in expansion of macro 'UA_sleep_ms'
                     UA_sleep_ms(100);
                     ^~~~~~~~~~~
make: *** [src/subdir.mk:33: src/open62541.o] Error 1
"make -r -j8 all" terminated with exit code 2. Build might be incomplete.

10:32:53 Build Failed. 22 errors, 6 warnings. (took 4s.86ms)

With cmake I created the zz file fith the folliwing parameters:
cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUILD_SHARED_LIBS=OFF -DUA_ARCHITECTURE=freertosLWIP -DUA_ENABLE_AMALGAMATION=ON -DUA_ENABLE_PUBSUB=ON -DUA_ARCH_FREERTOS_USE_OWN_MEMORY_FUNCTIONS=ON -DUA_ARCH_EXTRA_INCLUDES="ALL MY FOLDERS THAT NEEDED TO BE INCLUDED" -DUA_ARCH_ADD_FLAGS="-std=gnu99 -DUA_ARCHITECTURE_FREERTOSLWIP -D__REDLIB__ -DDEBUG -D__CODE_RED -D__USE_LPCOPEN -DCORE_M3 -O0 -g3 -Wall -c -fmessage-length=0 -fno-builtin -ffunction-sections -fdata-sections -mcpu=cortex-m3 -mthumb -D__REDLIB__ -fstack-usage -specs=redlib.specs" ..

The output error:

[ 60%] Built target open62541-amalgamation-source
Scanning dependencies of target open62541-object
[ 65%] Building C object CMakeFiles/open62541-object.dir/open62541.c.o
cc: warning: ‘-mcpu=’ is deprecated; use ‘-mtune=’ or ‘-march=’ instead
cc: error: redlib.specs: No such file or directory
make[2]: *** [CMakeFiles/open62541-object.dir/build.make:266: CMakeFiles/open62541-object.dir/open62541.c.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:337: CMakeFiles/open62541-object.dir/all] Error 2
make: *** [Makefile:152: all] Error 2

The file seems to be including all necessary open62541 library files.

I did the settings from #2511
In lwipopts.h I have:

#define LWIP_COMPAT_SOCKETS 0 // Don't do name define-transformation in networking function names.
#define LWIP_SOCKET 1 // Enable Socket API (normally already set)
#define LWIP_DNS 1 // enable the lwip_getaddrinfo function, struct addrinfo and more.
#define SO_REUSE 1 // Allows to set the socket as reusable
#define LWIP_TIMEVAL_PRIVATE 1 // This is optional. Set this flag if you get a compilation error about redefinition of struct timeval

In FreeRTOSConfig.h I set:
#define configCHECK_FOR_STACK_OVERFLOW 1
#define configUSE_MALLOC_FAILED_HOOK 1

In my main.c I only included the open62541 header file. I did not add any open62541 server code.

In open62541.h the following files are included, but AI_PASSIVE isn't declared in one of those files, even not i any file in my project.

#include "lwip/tcpip.h"
#include "lwip/netdb.h"
#include "lwip/init.h"
#include "lwip/sockets.h"

Background Information / Reproduction Steps

Please provide the following information:

open62541 Version (release number or git tag): 0.4.0 dev (last GitHub version)
Other OPC UA SDKs used (client or server):
Operating system: Ubuntu 19.04
Logs (with UA_LOGLEVEL set as low as necessary) attached
Wireshark network dump attached
Self-contained code example attached
Critical issue

The text was updated successfully, but these errors were encountered:

Pro · 2019-07-18T09:50:32Z

cc @cabralfortiss

cochicde · 2019-07-18T10:20:40Z

You said you use the flag -UA_ARCHITECTURE_FREERTOSLWIP (not sure where) but this might be -DUA_ARCHITECTURE_FREERTOSLWIP instead. In most IDE, you can add symbols to your project, and then it generates the flag according to it.

If your generating the amalgamted files and including them in a project in an IDE prepared for your embedded, then when you do cmake you only need -DUA_ARCHITECTURE=freertosLWIP regarding the architecture and the compilation will fail, but the generated files will be there. The other flags are needed when compiling, which should be set by the IDE

mrburen121 · 2019-07-18T11:50:20Z

I'm using MCUXpresse, this program is based on Eclipse. See below the compiler setthings that i have.

It solved some of the errors. I still have this 7 errors:

<command-line>: note: this is the location of the previous definition
../src/open62541.c: In function 'UA_PubSubChannelUDPMC_open':
../src/open62541.c:56100:81: error: invalid application of 'sizeof' to incomplete type 'struct sockaddr_storage'
     channelDataUDPMC->ai_addr = (struct sockaddr_storage *) UA_calloc(1, sizeof(struct sockaddr_storage));
                                                                                 ^~~~~~
../src/open62541.c:56183:77: error: expected expression before ')' token
         if(UA_inet_pton(AF_INET, interfaceAsChar, &group.ipv4.imr_interface)){
                                                                             ^
../src/open62541.c: In function 'UA_PubSubChannelUDPMC_send':
../src/open62541.c:56306:81: error: invalid application of 'sizeof' to incomplete type 'struct sockaddr_storage'
                         (struct sockaddr *) channelConfigUDPMC->ai_addr, sizeof(struct sockaddr_storage));
                                                                                 ^~~~~~
../src/open62541.c: In function 'ServerNetworkLayerTCP_start':
../src/open62541.c:56845:32: error: expected expression before ';' token
     hints.ai_flags = AI_PASSIVE;
                                ^
../src/open62541.c: In function 'ServerNetworkLayerTCP_listen':
../src/open62541.c:56934:33: error: storage size of 'remote' isn't known
         struct sockaddr_storage remote;
                                 ^~~~~~
../src/open62541.c:56934:33: warning: unused variable 'remote' [-Wunused-variable]
make: *** [src/subdir.mk:35: src/open62541.o] Error 1
"make -r -j8 all" terminated with exit code 2. Build might be incomplete.

Almost all of the errors are in the amalgamated original file ua_pubsub_udp.c. Could there be something wrong in my lwip configuration?

cochicde · 2019-07-18T12:17:43Z

pub sub wasn't tested yet on freeRTOS+LwIP (from what I know). Try deactivating. Again, there isn't much we can do from here. If AI_PASSIVE is not recognized, you'll have to look for it in your code. The information provided in #2511 has made most people sucessfully run the opcua server. If something is working, probably you did something different. Take your time and read it carefully and investigate where the problem is coming from. Your problems seem to be related to your project and not to the open62541 code

mrburen121 · 2019-07-18T14:44:34Z

I solved the errors. Thank you for your help. I added some missing parameters to my header file.

When I add #2511 the functions:

void vApplicationMallocFailedHook(){
	for(;;){
		vTaskDelay(1000);
	}
}

void vApplicationStackOverflowHook( TaskHandle_t xTask, char *pcTaskName ){
	for(;;){
		vTaskDelay(1000);
	}
}

I get the error: undefined reference to `pdMS_TO_TICKS'. Does this mean I have some timing issues?

Also in the open62541.h file that I generated via cmake there is no function called
UA_ServerConfig_new_customBuffer. Is this changed in the newest version to UA_ServerConfig_setMinimalCustomBuffer?

cochicde · 2019-07-18T15:40:05Z

I have pdMS_TO_TICKS defined in freertos/include/projdefs.h
It should be defined in your freertos somewhere

About UA_ServerConfig_new_customBuffer can maybe @Pro help

Pro · 2019-07-19T08:08:46Z

... there is no function called
UA_ServerConfig_new_customBuffer. Is this changed in the newest version to UA_ServerConfig_setMinimalCustomBuffer?

Yes correct, we changed how the server config is handled. You can find more on that in our examples on master.

mrburen121 · 2019-07-22T10:07:19Z

Thank you. I updated my FreeRTOS files to V10.2.0 and this solved the missing pdMS_TO_TICKS problem.

For now I have two questions left:

What heap file are you using? Heap 1,2,3,4 or 5?
Below my server code. Is this correct? If yes then I'm going to find the problem in my micro controller (driver) files.

/* Sets up system hardware */
void prvSetupHardware(void)
{
	/* LED0 is used for the link status, on = PHY cable detected */
	SystemCoreClockUpdate();
	Board_Init();

	/* Initial LED state is off to show an unconnected cable state */
	for (int i = 0; i < 8 ; i++) {
		Board_LED_Set(i, false);
	}
}


void vApplicationMallocFailedHook(){
	for(;;){
		vTaskDelay(pdMS_TO_TICKS(1000));
		DEBUGOUT("vApplicationMallocFailedHook");
	}
}

void vApplicationStackOverflowHook( TaskHandle_t xTask, char *pcTaskName ){
	for(;;){
		vTaskDelay(pdMS_TO_TICKS(1000));
		DEBUGOUT("vApplicationStackOverflowHook");
	}
}

static void opcua_thread(void *arg)
{
   //Allows to set smaller buffer for the connections, which can cause problems
	UA_UInt32 sendBufferSize = 8000; //64 KB was too much for my platform
	UA_UInt32 recvBufferSize = 8000;  //64 KB was too much for my platform

	UA_Server *server = UA_Server_new();
	UA_ServerConfig *config = UA_Server_getConfig(server);

	UA_ServerConfig_setMinimalCustomBuffer(config, 4840, 0, sendBufferSize, recvBufferSize);

	//VERY IMPORTANT: Set the hostname with your IP before allocating the server
	UA_ServerConfig_setCustomHostname(config, UA_STRING("192.168.1.10"));
	UA_ServerConfig_setDefault(UA_Server_getConfig(server));

	//example
	// https://open62541.org/doc/current/tutorial_server_variable.html

	UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "the.answer");

	/* Write a different integer value */
	UA_Int32 myInteger = 43;
	UA_Variant myVar;
	UA_Variant_init(&myVar);
	UA_Variant_setScalar(&myVar, &myInteger, &UA_TYPES[UA_TYPES_INT32]);
	UA_Server_writeValue(server, myIntegerNodeId, myVar);

	/* Set the status code of the value to an error code. The function
	 * UA_Server_write provides access to the raw service. The above
	 * UA_Server_writeValue is syntactic sugar for writing a specific node
	 * attribute with the write service. */
	UA_WriteValue wv;
	UA_WriteValue_init(&wv);
	wv.nodeId = myIntegerNodeId;
	wv.attributeId = UA_ATTRIBUTEID_VALUE;
	wv.value.status = UA_STATUSCODE_BADNOTCONNECTED;
	wv.value.hasStatus = true;
	UA_Server_write(server, &wv);

	/* Reset the variable to a good statuscode with a value */
	wv.value.hasStatus = false;
	wv.value.value = myVar;
	wv.value.hasValue = true;
	UA_Server_write(server, &wv);
}

int main(void) {
//	signal(SIGINT, stopHandler);
//	signal(SIGTERM, stopHandler);

	prvSetupHardware();

	/* Add another thread for initializing physical interface. This
	   is delayed from the main LWIP initialization. */
	xTaskCreate(vSetupIFTask, "SetupIFx",
				configMINIMAL_STACK_SIZE, NULL, (tskIDLE_PRIORITY + 1UL),
				(xTaskHandle *) NULL);
	/* LED1 toggle thread */
	xTaskCreate(vLEDTask1, "vTaskLed1", configMINIMAL_STACK_SIZE,
			NULL, (tskIDLE_PRIORITY + 1UL), (TaskHandle_t *) NULL);

	/* LED2 toggle thread */
	xTaskCreate(vLEDTask2, "vTaskLed2", configMINIMAL_STACK_SIZE,
			NULL, (tskIDLE_PRIORITY + 1UL), (TaskHandle_t *) NULL);

	/* UART output thread, simply counts seconds */
	xTaskCreate(vUARTTask, "vTaskUart", configMINIMAL_STACK_SIZE,
			NULL, (tskIDLE_PRIORITY + 1UL), (TaskHandle_t *) NULL);

	// Start opcua server
	printf("Start opcua server");
	if(sys_thread_new("opcua_thread", opcua_thread, NULL, 8000, 3) == NULL)
		 DEBUGOUT("opcua(): Task creation failed.", 0);

	/* Start the scheduler */
	vTaskStartScheduler();

	/* Should never arrive here */
	return 1;
}

With the lines below commented so is it not a part of the program, the LED's are blinking and the internet connection is able to be established.

if(sys_thread_new("opcua_thread", opcua_thread, NULL, 8000, 5) == NULL)
	 DEBUGOUT("opcua(): Task creation failed.", 0);

It never come to the line with the debugout print.

cochicde · 2019-07-22T10:19:55Z

For now I have two questions left:
1. What heap file are you using? Heap 1,2,3,4 or 5?

I'm using 3 with realloc and calloc self-implemented just calling pvPortMalloc

static void opcua_thread(void *arg)
{
//Allows to set smaller buffer for the connections, which can cause problems
UA_UInt32 sendBufferSize = 8000; //64 KB was too much for my platform
UA_UInt32 recvBufferSize = 8000; //64 KB was too much for my platform

UA_Server *server = UA_Server_new();
UA_ServerConfig *config = UA_Server_getConfig(server);

UA_ServerConfig_setMinimalCustomBuffer(config, 4840, 0, sendBufferSize, recvBufferSize);

//VERY IMPORTANT: Set the hostname with your IP before allocating the server
UA_ServerConfig_setCustomHostname(config, UA_STRING("192.168.1.10"));
UA_ServerConfig_setDefault(UA_Server_getConfig(server));

I think this last line shouldn't be there since it will reset the hostname you set the line before

//example
// https://open62541.org/doc/current/tutorial_server_variable.html

UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "the.answer");

/* Write a different integer value */
UA_Int32 myInteger = 43;
UA_Variant myVar;
UA_Variant_init(&myVar);
UA_Variant_setScalar(&myVar, &myInteger, &UA_TYPES[UA_TYPES_INT32]);
UA_Server_writeValue(server, myIntegerNodeId, myVar);

/* Set the status code of the value to an error code. The function

UA_Server_write provides access to the raw service. The above

UA_Server_writeValue is syntactic sugar for writing a specific node

attribute with the write service. */
UA_WriteValue wv;
UA_WriteValue_init(&wv);
wv.nodeId = myIntegerNodeId;
wv.attributeId = UA_ATTRIBUTEID_VALUE;
wv.value.status = UA_STATUSCODE_BADNOTCONNECTED;
wv.value.hasStatus = true;
UA_Server_write(server, &wv);

/* Reset the variable to a good statuscode with a value */
wv.value.hasStatus = false;
wv.value.value = myVar;
wv.value.hasValue = true;
UA_Server_write(server, &wv);
}

You're not starting your server.

From the example, you see at the end of the function the following:

 UA_StatusCode retval = UA_Server_run(server, &running); //Server runs here until the boolean running is set to false from someone else
 UA_Server_delete(server);

mrburen121 · 2019-07-22T14:43:39Z

Oke, thank you. It seems to be a memory problem.

Could this be solved when I implement realloc and calloc? I know this is not a open62541 problem but I hope you can help me. Do you have a sample of those implementations? I can't find one for heap 3 the freertos V10 demo folder.

svro86 · 2019-11-11T12:43:18Z

Hey guys, I am new to github so apologies if I am in the wrong thread. I am trying to set up open62541 as a opc server on stm F207. The tutorial for creating open62541.c and open62541.h works fine but after integrating these files into my stmCubeIDE Project i have about 30 compile errors left. I am pretty sure that I miss an include or something and maybe someone could give me a hint.

I am working with the latest master-branch, maybe this is my error? Thanks in advance for any help.

The Pictures shows the compile errors I have left:

cochicde · 2019-11-11T14:31:01Z

Read the documentation carefully.

It looks like you forgot this part:

When compiling LwIP you need a file called lwipopts.h. In this file, you put all the configuration variables. You need to make sure that you have the following configurations there:

#define LWIP_COMPAT_SOCKETS 0 // Don't do name define-transformation in networking function names.
#define LWIP_SOCKET 1 // Enable Socket API (normally already set)
#define LWIP_DNS 1 // enable the lwip_getaddrinfo function, struct addrinfo and more.
#define SO_REUSE 1 // Allows to set the socket as reusable
#define LWIP_TIMEVAL_PRIVATE 0 // This is optional. Set this flag if you get a compilation error about redefinition of struct timeval

svro86 · 2019-11-11T15:25:18Z

@cabralfortiss Thanks for the quick answer. I have these defines in my lwipopts.h and double checked it now. I did the changes of the freertos-config file as well. Before i had them I had around 300 errors ;)

I´m going to try the release pack v1.0 later or tomorrow instead of the masterbranch I use now. Or is their another stable release of open62541 I haven´t seen yet.

cochicde · 2019-11-11T16:13:48Z

mmm that's strange, all the errors are related to the lwip, and those flags should take care of it. Maybe check that these values are actually there when used in open62541.

In you open62541.h after the includes like #include <lwip/sockets.h> put some #if to check that for example LWIP_COMPAT_SOCKETS is actually 0

svro86 · 2019-11-12T10:02:19Z

@cabralfortiss I actually don´t know what went wrong yesterday. Overnight I thought there might be a problem because I use RMII ethernet config insted of MII but that was not the problem. I did set up a whole new project in another workspace this morning and now I can compile it with some other errors which I am trying to fix at the moment.

From the example opcua_thread:
for the line
UA_ServerConfig_setMinimal(uaServerConfig, portNumber, 0, sendBufferSize, recvBufferSize)
my compiler said that the function has too many arguments and after looking I took the buffers out because they are not used.
in lwipopts.h I had to change the default value of MEMP_NUM_SYS_TIMEOUT to something higher than the default value. I couldn´t try yet what will happen with the whole application because of this but it shouldn´t be much of a problem.
I have problems with the freeRTOSConfig.h flags (they are for debugging?) because of using heap_4.c. I just set them to 0 to see if I can compile now and it works. I have seen possible solutions for this problem in the other threads mainly in WIP: Cleanup of freeRTOS and LwIP #2511

ZekeLandon · 2020-02-04T11:31:20Z

@mrburen121 hey Chris, did you manage to run PubSub in your embedded device?

mrburen121 · 2020-02-07T14:00:52Z

Hello @ZekeLandon. No, I didn't manage to get it working. The reason for this is that we currently use the TCPIP stack and the open62541 project the LWIP stack. It would cost us to much time to add TCPIP as architecture to open62541. It has currently not the highest priority to implement OPC UA in our products. My guess is that I will start on the implenentation of TCPIP in Q3 this year.

Pro · 2020-02-12T08:33:13Z

Maybe this example helps:

https://github.com/Pro/open62541-esp32

It shows how to compile open62541 for the ESP32 microchip, which is based on FreeRTOS.

mohamedalielghoula · 2020-07-23T05:36:11Z

I got this error during the compilation :
../Core/Src/open62541.c:56486:46: error: dereferencing pointer to incomplete type 'struct sockaddr_in6'

Pro added Component: Arch Issues related to specific architecture Priority: Low Issue with low priority Status: In Progress Someone is currently working on it. Mention that person in the comments or assign the issue. Type: Question General question or code understanding labels Jul 23, 2019

Pro added this to the after-1.0-minor milestone Jul 23, 2019

cmbahadir mentioned this issue Oct 23, 2019

[Review] Add FREERTOSLWIP build to travis ci. #3023

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Compile freeRTOS with open62541 errors #2893

Compile freeRTOS with open62541 errors #2893

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Compile freeRTOS with open62541 errors #2893

Compile freeRTOS with open62541 errors #2893

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