[lwip-users] enqueing problem

Hi all, I have a problem that I have seen lots or users straggling with, but without any real solution. I am trying to send data in a loop. I have triad closing NAGLE as follows: // this should shut down the NAGLE algorithm pcb-flags |= TF_NODELAY | TF_ACK_NOW; I am

RE: [lwip-users] enqueing problem

. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org [mailto:lwip-users-bounces+noam=silrd@nongnu.org] On Behalf Of goldsi...@gmx.de Sent: א 27 מרץ 2011 15:22 To: Mailing list for lwIP users Subject: Re: [lwip-users] enqueing problem Noam weissman: I have a problem that I

Re: [lwip-users] how to free udp pcb

Hi Kieran, I have a new/old problem. I am running a simple TCP terminal server that works like a telnet server but with no Protocol. Actually a s simple TCP server. I use raw TCP terminal. It works ok but as far as I was able to spot I have memory leaks inside the LWIP stack. My server

[lwip-users] memory leak or bad uasge ?

I have a new/old problem. I am running a simple TCP terminal server that works like a telnet server but with no Protocol. Actually a s simple TCP server. I use raw TCP terminal. It works ok but as far as I was able to spot I have memory leaks inside the LWIP stack. My server accepts a

[lwip-users] memory leaking inside LwIP ?

Hi, I have a new/old problem. 1. I am running a simple TCP terminal server that works like a telnet server but with no Protocol. It works ok but as far as I was able to spot I have memory leaks inside the LWIP stack. This was observed when lots of data was sent to the server. My

Re: [lwip-users] lwIP instead of BSD stack regarding IPv6

Hi, Take a look there a newer version of LwIP … 1.41 You may need to port the sys_arch.c as it was changed Beside that it should be compatible. BR, Noam. From: lwip-users-bounces+noam=silrd@nongnu.org [mailto:lwip-users-bounces+noam=silrd@nongnu.org] On Behalf Of

Re: [lwip-users] STR912 lwIP + Freertos demo

Hi, I just loaded the FreeRTOS demo in LwIP mode and I do not like the way they did it. In general when you go to main you have: #ifdef STACK_LWIP /* Create the lwIP task. This uses the lwIP RTOS abstraction layer.*/ vlwIPInit();

Re: [lwip-users] STR912 lwIP + Freertos demo

Hi, Were you able to work with the LwIP ?? BR, Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org [mailto:lwip-users-bounces+noam=silrd@nongnu.org] On Behalf Of ajinkya Sent: ה 04 אפריל 2013 13:23 To: lwip-users@nongnu.org Subject: Re: [lwip-users] STR912

Re: [lwip-users] STR912 lwIP + Freertos demo

Hi, I have attached a simple UDP server working in RAW mode. This code is based on a discovery server I made. The code was stripped from my own data code. I left all the functional code. Take a look. I hope this will help you. Take into consideration that this code will probably not compile

Re: [lwip-users] Can I add some members to struct pbuf?

Hi, You should not add any members to anything inside the LwIP. Treat it as a close black box with interface. If you need any parameters this should be defined inside your own code. The simplest will be defining your own structure and when you get a new connection you assigne it to the

Re: [lwip-users] STR912 lwIP + Freertos demo

Hi, The example code I sent you works in RAW mode. That means you do not create any task or threads. Your functions are being called by the TCP stack. Please check again your code. In function vBasicWEBServer you need to call a function that creates the UDP server and assigns your own call

Re: [lwip-users] STR912 lwIP + Freertos demo

Hi, As far as I see in your code. In line 240 udp_recv(my_pcb, udp_echo_recv, NULL); change it to: udp_recv(my_pcb, udp_echo_recv, my_pcb); This is what I am doing in my code. Hope that helped. BR, Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org

Re: [lwip-users] STR912 lwIP + Freertos demo

Hi, Were you able to run the UDP eventually ? I have just checked a project I have that uses TIM2 for FreeRTOS The rest are not used by LwIP. As far as I know LwIP does not uses any hardware timers in this application Hope that helped. Noam. -Original Message- From:

Re: [lwip-users] STR912 lwIP + Freertos demo

Hi, Ethernet LED's blink because it is hardware related (PHY). This sounds strange as we work we with timers all the time. Check your code and see. there something else that happens. I can suggest commenting all the code and just leave the timer interrupt function. See if the TCP hangs. If

Re: [lwip-users] STR912 lwIP + Freertos demo

Hi, Under UDP there should be a time out as there is no connection. When you work with TCP it is normal to have some kind of timeout and that is to avoid unused connections. Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org

Re: [lwip-users] STR912 lwIP + Freertos demo

-users-bounces+bauerbach=arrayonline@nongnu.org] On Behalf Of Noam weissman Sent: Monday, April 22, 2013 9:05 AM To: Mailing list for lwIP users Subject: Re: [lwip-users] STR912 lwIP + Freertos demo Hi, Under UDP there should be a time out as there is no connection. When you work with TCP

Re: [lwip-users] lwIP tcp_write fails: specifically tcp_sndbufreturning 0

Hi, I do not see all your code so it is a problem understanding. Are you aware that when you create a TCP server you get one PCB (the listening PCB) and a different PCB for connection... they are different ? In your init server you call the following: pcb = tcp_new(); // this is local PCB

Re: [lwip-users] After tcp_close PCB is still in active pcb inspecific situation.

Hi, Yes it make sense adding a time out mechanism in the poll call back. You define a time out value/variable and update it in every poll call. Every time you get some data or send some data reset that time out counter. If you reach the time out value you close the connection. BR,

Re: [lwip-users] STM32 RBUS (Receive Buffer Unavailable) bit setafter debugger break

Hi, I have basic projects for IAR and Keil for the STM32F4x7 running on the STM3240G-EVAL The code uses static IP, one UART ... The code uses LwIP 1.41 and FreeRTOS 7.4 The code includes a few company modules that I cannot share. Let me know what you need and I'll try and see what I can send

Re: [lwip-users] STM32 RBUS (Receive Buffer Unavailable) bitsetafter debugger break

Hi, I sent you directly two RAR files. I was not sure I can send 2M attachment here. Let me know if you got it. Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org [mailto:lwip-users-bounces+noam=silrd@nongnu.org] On Behalf Of kerem Sent: ה 30 מאי 2013

Re: [lwip-users] Help me to integrated SMTP with lwIP -1.3.2.

Hi, I have used the latest LwIP 1.41 and the added SMTP basic code that you can find in the 1.41 contribute package. I did not try it with 1.32 but as far as I see it should be compatible. First you need to have a working TCP stack than add the SMTP code. Add ARP resolution options and enable

Re: [lwip-users] Standing down as project leader

Hi, Good luck and thanks for the work done so far. BR, Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org on behalf of Kieran Mansley Sent: Fri 6/7/2013 9:27 PM To: Mailing list for lwIP users Subject: [lwip-users] Standing down as project leader Hi lwIP

Re: [lwip-users] webserver problem

Hi Marty, You are absolutely correct it is system dependent. As you can see from my reply, I used a 7K bytes pool for LwiP. 16M byte is a super computer compared with what I do. I worked with ARM9 with 96K RAM :-) With just 7K RAM dedicated to LwIP pool I was able to run a WEB server with

Re: [lwip-users] tcp_output() when processing tcp_input_pcb

Hi, It depends on what you do and what are the available resources (RAM/ROM). LwIP is small but it has its limitations. I am working with a system that has a WEB server, UDP and TCP connections and bridging to UART all is running at real time. If you do not need exceptional throughput its

Re: [lwip-users] Problem with tcp_bind()

Hi, I.41 is more or less the same as 1.32 The main difference is the sys_arch.c file. This file has been changed. Try and find someone that already ported this file to your processor. BR, Noam. From: lwip-users-bounces+noam=silrd@nongnu.org

Re: [lwip-users] Selecting correct lwIP API

Hi, I am working with LwIP for more than two years now. I am only working in RAW mode. As far as I see people that work in embedded use either RAW or netconn. BSD simply takes more resources. What STM32 do you intend to use ? BR, Noam. -Original Message- From:

Re: [lwip-users] Selecting correct lwIP API

Hi, First of all its RAW and not ROW :-) The simplest will be to download STM32F example code for their evaluation board. you will have a full example including a basic HTTP server. Download also the contribution package for LwIP. It has lots of examples. Actually the RAW mode is easy to use

Re: [lwip-users] Selecting correct lwIP API

Hi, Try these links: http://www.st.com/web/en/catalog/tools/FM116/SC959/SS1532/PF250374 Download the code here: http://www.st.com/web/en/catalog/tools/PF257879# also Its best to take the latest FreeRTOS from their site: www.freertos.org Hope that helps. Feel free to ask if you need

Re: [lwip-users] Advice on wifi module

Hi Ivan, The RN171 can be used in raw mode via fast UART as a network interface. BR, Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org [mailto:lwip-users-bounces+noam=silrd@nongnu.org] On Behalf Of Ivan Delamer Sent: Tuesday, December 10, 2013 7:14 PM To:

Re: [lwip-users] lwip with fatfs on a STM32 speed problem

Hi Dave, Attached please find the low level driver I used. This is a bit modified driver based on inputs I found over the net. Try to use it and see if it is better for you. BR, Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org

Re: [lwip-users] Multicast on lwip

Hi, Either you made a typo or you do things in the wrong order. You wrote “Join multicast group, create and bind pcb;” You cannot join an IGMP group before you have a network live and connected. That means you first need to bind… This is the code I use. I omitted private

Re: [lwip-users] change PHY and strange behaviour

Hi, First of all DP83484 has a few versions. I worked with the DP83484M and DP83484C. I also worked with Marvel Switch 88E6071 I found that all standard IEEE compliant PHY's have 32 registers and the general purpose code supplied by ST should work with all of them. However when I triad

Re: [lwip-users] change PHY and strange behaviour

Hi, I found a different patch for ethernetif_input function void ethernetif_input( void * pvParameters ) { struct pbuf *p; for( ;; ) { if(xSemaphoreTake(Ethernet_xSemaphore, emacBLOCK_TIME_WAITING_FOR_INPUT) == pdTRUE) { TRY_GET_NEXT_FRAGMENT: p = low_level_input(

Re: [lwip-users] Where is Read()Write() functions that I must overload?

Hi, Ethernetif or similar is just the low level driver connecting LwIP with your ETH or hardware. As for writing data you have tcp_write function or similar. You need to read LwIP documentation and get to understand it. LwIP can work in 3 different operation mode. You can work with

Re: [lwip-users] [LwIP-1.4.1 + ChibiOS-2.6 + STM32F407]memp_malloc: out of memory in pool PBUF_POOL

Hi, Some hints... If you work with FreeRTOS normally the LwIP stack uses its own heap. Define a heap for OS at around 40-50K and memory and LwIP at around 10-12K you should not have any problems. One important thing. The OS uses an interrupt. The porting for LwIP made by ST uses semaphores.

Re: [lwip-users] Help with basic application

Hi, You should take an example and first run something that works. First of all you must check your lwipopts.h file. This is per project. Check if #define TCP_LISTEN_BACKLOG is set to 1 or not Check if #define NO_SYS is set to 1 or not Check if #define MEM_SIZE ??? Check

[lwip-users] any ideas ??

Hi, I am working on HTTP server code that needs login. I wonder if there is a way to add a polling call back function to the server own PCB ? I triad to add a polling call back to the server own PCB but it is not called. It is probably not called as polling is intended to do client

Re: [lwip-users] Embedded Web server unable to display image at clientside

Hi TT, You have a working WEB server in the LwIP contribution core. No need to reinvent things. It is not perfect but it is a good base to work with. BR, Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org [mailto:lwip-users-bounces+noam=silrd@nongnu.org]

Re: [lwip-users] Embedded Web server unable to display image atclientside

Hi, The web server I mentioned is an LwIP module running in RAW mode. It is not related to the fact that you use an OS or not. It should work with either. It is not the WEB server module that runs with or without and OS it is the TCP stack itself that is running with or without an OS See this:

Re: [lwip-users] TCP send problem

Hi, When you put ZERO in the lat argument of tcp_write that means that the buffer you use to send the data from should be static. Putting ZERO as the last parameter means data is from volatile memory, normally from FLASH or a static buffer. The reason is that the TCP stack will not copy the

Re: [lwip-users] TCP send problem

Hi, As a continuation to my last mail. I wrote volatile memory but I meant none volatile memory, sorry for that error ! BR, Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org on behalf of Noam weissman Sent: Mon 8/18/2014 11:21 PM To: Mailing list for lwIP

Re: [lwip-users] TCP send problem

. Dominik 2014-08-18 22:23 GMT+02:00 Noam weissman n...@silrd.com: Hi, As a continuation to my last mail. I wrote volatile memory but I meant none volatile memory, sorry for that error ! BR, Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org on behalf of Noam

Re: [lwip-users] DHCP callback was removed - Correct way to obtainnew address?

Hi, ST micro has an example on how to use it. Check their latest examples for STM32F4 Hope that helped, Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org on behalf of Sergio R. Caprile Sent: Fri 8/29/2014 9:02 PM To: lwip-users@nongnu.org Subject: Re:

Re: [lwip-users] lwIP hangs after some data transferred

Hi, You must check interrupt priorities and your FreeRTOSConfig definition file Here is my interrupt settings from the FreeRTOSConfig .h file: /* Cortex-M specific

Re: [lwip-users] Current Time and date

] On Behalf Of Simon Goldschmidt Sent: Tuesday, September 02, 2014 6:07 PM To: Mailing list for lwIP users Subject: Re: [lwip-users] Current Time and date Noam weissman wrote: I can send you a preliminary NTP client. You do know that there is an SNTP client available in contrib, do you? Simon

Re: [lwip-users] lwIP hangs after some data transferred

after some data transferred Thanks Noam. I have interrupt priorities set exactly as you have written. The problem must be somewhere else. Best regards, Grzegorz Niemirowski Noam weissman n...@silrd.com napisal(a): Hi, You must check interrupt priorities and your FreeRTOSConfig definition

Re: [lwip-users] packet order with tcp_recv

Hi, In TCP there should not be such an issue. Packets will be received in the order they were sent. TCP is a stream. BR, Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org [mailto:lwip-users-bounces+noam=silrd@nongnu.org] On Behalf Of Richner Simon Sent:

Re: [lwip-users] packet order with tcp_recv

- From: lwip-users-bounces+zradouch=irobot@nongnu.org [mailto:lwip- users-bounces+zradouch=irobot@nongnu.org] On Behalf Of Noam weissman Sent: Tuesday, September 09, 2014 11:49 AM To: Mailing list for lwIP users Subject: Re: [lwip-users] packet order with tcp_recv Hi, In TCP

Re: [lwip-users] How to control TCP sending by raw API?

Hi, As a continuation to the reply written by -uwe if it is not clear let me elaborate. You have a few callback function that can be used in a connection based server using RAW mode. You have the tcp_sent, tcp_poll and the tcp_err callback's You use these as follows: tcp_sent is called

Re: [lwip-users] idle connection timeout

Hi, Normally closing a connection involves freeing memory or some other tasks as well. LwIP has a clean way to do this. Every connection has a poll callback option. If you assign a function to the connection (tcp_pool) it will be called every poll interval. If you set poll interval to two it

Re: [lwip-users] Handling of many small packages?

Hi, You may need to change lwipopts.h file. Create more PBUF, more PCB's reduce the MSS size etc... This way it will be more optimized for smaller chunks of data. Also you may check the TCP window and buffer size before trying to send some data out. You need a way to control how you use the

Re: [lwip-users] TM4C1294 LWIP Usage

Hi Lee, LwIP has 3 flavers, meaning you can use it in 3 different modes: 1. RAW mode 2. NetCon 3. BSD I have only experience with RAW mode, were you use the callbacks J BSD is similar to any other system like Linux etc.. NetCon is a socket based API but different

Re: [lwip-users] TM4C1294 LWIP Usage

Hi Lee, Do you use FreeRTOS or any other OS or no OS ? Working with LwIP in RAW mode is a bit tricky. You have just one thread that run everything. This is not so obvious at first. Let me explain: If you have a packet received in your receive call back and you try to send something back it

Re: [lwip-users] TM4C1294 LWIP Usage

Hi Lee, You are talking on a client application. That's a bit different. Yes you are correct you do not need to use recvd but you must use the tcp_sent callback to be able to know when to send more. You can also check the amount of RAM left in the sent queue so you can send and send until you

Re: [lwip-users] TM4C1294 LWIP Usage

Hi Lee, In one of my previous mails I wrote that you can use the tcp_sent call-bak. If you are able to send one packet simply take you code that creates the reply and put it in your own function. Call this function either from the recv call back or from the tcp_sent call-back For every packet

Re: [lwip-users] TM4C1294 LWIP Usage

Hi Paul, Lee, Calling tcp_output after tcp_write will notify the TCP stack to send the data immediately but if You do not exit the call-back function it will not be sent. Noam. -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org

Re: [lwip-users] Multiple servers under LwIP

Hi, In application I have written we run multiple servers without any problems. On a home automation controller I run: HTTP server TCP (telnet) server UDP (terminal)server 6 UDP or TCP bridges (UART - TCP) All running together. Your are doing something wrong. It should work. BR, Noam.

Re: [lwip-users] Single connection with httpd web server

Hi, You mean one user, not one connection. HTTP creates multiple connections to load a page. I have implemented this by adding a session ID. That means that you need to change the web server to support that. In general you create a login page and after successful login you return a session ID

Re: [lwip-users] memory leak ?

Hi, I am using FreeRTOS running under STM32F427 Yep 1.41 I am not freeing any sent PBUF's its a TCP connection. It should be freed by the TCP stack itself ?? Any new PBUF inside the recv call back is freed after processing I do free any PCB's of PBUF's if connection fails or closes Thanks

Re: [lwip-users] memory leak ?

Hi, Yes I should not but it happens :-( I am working with LwIP for more then 4 years now. I created several modules but the memory leak issue seems to lark there... Previously I head instability problems till I found a better example from ST on how to define IRQ levels together with LwIP +

[lwip-users] memory leak ?

Hi, I am facing a strange problem. I am using LwIP with a TCP server (like telnet). All seems ok, but ... After some time that I am sending request to the server and getting replies I get the following: tcp_receive: valid queue length After some more send and receive I am

Re: [lwip-users] memory leak ?

Hi, I have checked my code and I made some changes to it. I am sure that I am freeing all the buffers I am getting in recv but still I am getting the folloing message: tcp_receive: valid queue length tcp_write: pbufs on queue = at least one queue non-empty Also I am getting into an endless

Re: [lwip-users] memory leak ?

Hi, PROBLEM SOLVED :-) As mentioned earlier by Sergio we should not call LwIP code from within other threads. I must call tcp_write and other functions from a separate thread. This is the implementation. My TCP stack has the highest task priority in the system. As a result calling tcp_write

Re: [lwip-users] Two UDP kills DHCP?

Hi, I briefly checked your lwipopts.h file I am using a fraction of the RAM that you use and I find it strange that you defined so little PCB's ? I am using LwIP 1.41 with STM + FreeRTOS, I need to send small chunks of data so I set MSS size to 536 that is LwIP default. In your case you use

Re: [lwip-users] Networking device discovery protocols

Hi, First of all they do not need to type port number as default is 80 for HTTP, unless you use a private port at your WEB server. As for discovery it depends what you want to achieve. If it is only and always local network you can run a simple UDP server that listens on a specific port for a

Re: [lwip-users] memory leak ?

Dear Sylvain, All my modules are RAW API including the WEB server. Using critical section in pin point location is not wrong. Any other implementation will Have to use a more complicated queuing mechanism. Complicated, maybe. Slower, maybe but not stupid, sorry :-) BR, Noam. -Original

Re: [lwip-users] freertos + lwip = no uart ?

Hi, I am not familiar with atxmega128a3u so I hope my input here will help and not confuse you. I never had problems with UARTS but I did have problems with LwIP when interrupts priorities were not defined properly versus the FreeRTOS interrupt. 1. Check that your interrupts are

Re: [lwip-users] freertos + lwip = no uart ?

Hi, The code I placed was just an example. In any case the RTOS timer interrupt should run at a higher priority then ETH. The reason is that if you have critical section in your code they will not be homered. Just my two cents input... BR, Noam. -Original Message- From:

Re: [lwip-users] freertos + lwip = no uart ?

anywhere about minimal requirements and after seeing project called lwip-avr (or something like that) i thought that it should run on xmega - right now i think that's what's wrong with my application. raw lwip without os should work on my chip ? 2015-07-28 18:27 GMT+02:00 Noam weissman [via

Re: [lwip-users] Questions about how to get a robust lwIP TCP Raw API server application.

-users] Questions about how to get a robust lwIP TCP Raw API server application. There is an OS, but LWIP (and the associated application) runs as an independent task (NO_SYS=1). Cheers DP. On Wed, Nov 4, 2015 at 5:47 PM, Noam Weissman <n...@silrd.com<mailto:n...@silrd.com>> wrote: Hi,

Re: [lwip-users] Questions about how to get a robust lwIP TCP Raw API server application.

inputs and internal states and calls tcp_write if needed. The receive callback simply updates the state (or stores data) for my_own_poll to check and do its job. Cheers DP On Wed, Nov 4, 2015 at 12:40 PM, Noam Weissman <n...@silrd.com<mailto:n...@silrd.com>> wrote: Hi DP, If you

Re: [lwip-users] Questions about how to get a robust lwIP TCP Raw API server application.

OK :-) -Original Message- From: lwip-users-bounces+noam=silrd@nongnu.org [mailto:lwip-users-bounces+noam=silrd@nongnu.org] On Behalf Of Sergio R. Caprile Sent: Wednesday, November 04, 2015 5:31 PM To: lwip-users@nongnu.org Subject: Re: [lwip-users] Questions about how to get a

Re: [lwip-users] Questions about how to get a robust lwIP TCP Raw API server application.

Hi DP, If you mean calling a function and handling data out of the callback itself but from the same context It is OK I mean for example: err_t foo(void *arg, struct tcp_pcb *pcb) { Return tcp_write(pcb, [DataSent], SendData, TCP_WRITE_FLAG_COPY); } err_t tcp_recv(void *arg, struct

Re: [lwip-users] Call tcp_close() out of tcp_recv()-context?

Hi Karl, In general you should not call any call back function out of the TCP context. One way is raise a flag externally and in the poll call back check this flag. If it is set call the tcp_close … inside the poll call back BR, Noam. From: lwip-users-bounces+noam=silrd@nongnu.org

Re: [lwip-users] TCP Raw API questions about efficiency and threads

On Tue, Jun 7, 2016 at 6:09 PM, Noam Weissman <n...@silrd.com<mailto:n...@silrd.com>> wrote: Dear, I am sorry if I was not clear but you should not do what you did. No need to copy the data and process it In the poll function. I meant that if you get a request (like in HTTP)

Re: [lwip-users] UDP server on LwIP socket falls into hard fault if input string longer than 19 bytes

Hi, Why are you calling malloc inside the thread ? if you allocate a buffer once, there is no need to use malloc define it as an array. malloc allocates memory from the micro's heap, not from the FreeRTOS heap. Check that you heap has sufficient memory. Normally in an average STM example the

Re: [lwip-users] TCP Raw API questions about efficiency and threads

les out there where connections are persistent and messages can come at any given time ? Mihai On Fri, Jun 3, 2016 at 10:21 AM, Noam Weissman <n...@silrd.com<mailto:n...@silrd.com>> wrote: In order to use RAW API efficiently you can use the poll call back to send more data. What do

Re: [lwip-users] R: R: R: R: ping slow down

er conto di Noam Weissman Inviato: venerdì 3 giugno 2016 09:04 A: Mailing list for lwIP users <lwip-users@nongnu.org> Oggetto: Re: [lwip-users] R: R: R: ping slow down Hi Rastislav, We talked about it before but let me summarize it once more. Interrupt are triggered as they

Re: [lwip-users] netconn_connect hangs

Hi, I never used netconn so I just thinking out loud you use the same conn for listening and to connect ?... can you it ? here is an example that may help. BR, Noam. From: lwip-users on behalf of Danil

Re: [lwip-users] TCP Raw API questions about efficiency and threads

Hi, LwIP RAW API is simple once you understand it. You do not create separate threads, all the connections are handled in one thread ! The way to have multiple connections is to add a user ARG value. Every connection has its own PCB. Meaning for every connection the TCP stack will

Re: [lwip-users] R: R: R: ping slow down

fewer RTOS task levels -- maybe 5 or 7 at most. (That is set with configMAX_PRIORITIES.) There's an art to interrupts and priorities, which makes it a little hard to describe in an E-mail. So please ask if you have more questions. Good luck! -- G From: lwip-users [mailto:lwip-users-bounces+gsmi

Re: [lwip-users] netconn http server memory problem ?

Hi, I started my experience with LwIP 1.32 running on an ARM9 with 96Kbyte RAM. For LwIP we had 7K if I remember correctly. This was running a WEB server, 3 TCP <> RS232 bridges, TCP terminal server, UDP terminal server... all that with 7-8 Kbyte and RAW API. And all that while using

Re: [lwip-users] R: R: ping slow down

Hi Rastislav, Check the following link if they have some info that may help you. http://www.freertos.org/Infineon-ARM-Cortex-M4-XMC4000-RTOS.html http://www.freertos.org/FreeRTOS-for-Infineon-XMC4000-Cortex-M4.html BR, Noam. From: lwip-users

Re: [lwip-users] FreeRtos lwip Thread stops

Hi, Questions: 1. What mode are you using: RAW API, Netconn or Socket ? 2. Is the web server something you wrote or some code from the contribution ? You can either use STM32 has own IWDG hardware or create some task that monitors activity. BR, Noam. From: lwip-users

Re: [lwip-users] FreeRtos lwip Thread stops

functunallity later for settings. But now I want to be sure about how it functions with web server together. For now web server functions well even after http client stops. Thank you On Thursday, June 16, 2016 2:17 PM, Noam Weissman <n...@silrd.com<mailto:n...@silrd.com>> wrote: Hi,

Re: [lwip-users] LwIP multithread select mode problems

Hi, LwIP and FreeRTOS are popular because they are open source and free. If you understand how an OS works and have background in TCP/IP you should not have a problem learning other TCP stack’s and/or other OS. Finding a job is not only finding to work with something you are familiar with but

Re: [lwip-users] LwIP multithread select mode problems

N. Vancouver, Canada area where I live in has a few opportunities for doing that. There are more opportunities for only software side like Linux Kernel, so as for electrical/electronics guy like me it is hard to get into that side. Again, I really appreciate your suggestions. Regards, Jin On

Re: [lwip-users] Correct way to free pbufs after tcp_recv callback finished

Hi, You need to call pbuf_free(pcb) after you finish processing the data. Also you need to call tcp_recived after you handled the data. You call it NOT with the pcb that you get inside the recv call back but rather your SERVER pcb. The one created after calling listen. I am not at my

Re: [lwip-users] Detect DHCP enabled for netif

Hi, As far as I understand (maybe not) DHCP is not related to netif. DHCP is a protocol you choose to use or not to use. You need to control it from your own software. Meaning you decide if you want to assign a static IP or get one via DHCP Maybe I did not understand your question ? BR,

Re: [lwip-users] Changing MAC address of network interface?

at 14:34 +, Noam Weissman wrote: > Just a small addition. You can change  net_if.hwaddr[]  on the fly for > testing etc but I think it is better t reboot after that. You can change MAC address on your PC, so I'm wondering whether this is possible and easy with lwIP. "Easy&quo

Re: [lwip-users] Changing MAC address of network interface?

-users-bounces+noam=silrd@nongnu.org [mailto:lwip-users-bounces+noam=silrd@nongnu.org] On Behalf Of Freddie Chopin Sent: Thursday, April 07, 2016 6:52 PM To: lwip-users@nongnu.org Subject: Re: [lwip-users] Changing MAC address of network interface? On czw, 2016-04-07 at 14:51 +, Noam

[lwip-users] API question

derstanding I cannot. Can anyone help with this ? BR, Noam. Best Regards, Noam Weissman Software Engineer. [cid:image005.jpg@01D19340.897DFB60] [cid:image006.jpg@01D19340.897DFB60] Contact information: Office: 972-4-9954915 Fax: 972-4-9550115 Mobile: 972-52-5786135 Email: n...@silrd.com Web: www.s

Re: [lwip-users] API question

, Noam Weissman wrote: > Hi, > > > > I am working with LwIP for somewhat 5 years now. I always used it in > RAW mode. > > Now I need to start using SSL/TLS and all the code I can find uses BSD > Socket's. > > > > I am working with STM32F4xx/2xx >

Re: [lwip-users] LwIP doesn't receive messages after a while

Hi Andrea, Can you send me your code to see, or at the minimum send me your FreeRTOSConfig.h + lwipopts.h I have never worked with the auto created cube code. I work with my own settings, the old school :-) It can either be problems with driver code, config file settings or wrong usage of

Re: [lwip-users] Ethernet package through SPI interface

Hi, I have never run LwIP over SPI or RS232 but that does not mean it will not work. LwIP needs a way to send and receive data, hens the driver. MAC address is set in software when you initialize netif interface Modern SPI interfaces can run at 30Mbs As LwIP running on a small micro is not

Re: [lwip-users] Ethernet package through SPI interface

Simon, Sorry to jump in. I think what you wrote needs some clarification to those that do not understand it in full. In a normal Ethernet connection we have the ETH connector from one side and the micro or TCP stack on the other side. >From the ETH connector it is connected to a transformer,

Re: [lwip-users] TCP Config in lwIP

Hi, Why do you need so much RAM for MEM_SIZE ? I think it is not a problem of RAM it is something in you code that does not handle properly the data. You are maybe not freeing buffers properly ? Do you use LwIP in RAW mode or in Socket mode ? BR, Noam. From:

Re: [lwip-users] netconn http server memory problem ?

Hi, I never worked with netcon. Almost all the modules I have written are in RAW mode. Just now I made the first module with Sockets. I suggest running something much simpler like the echo server to start with. Can you ping to the board ?... If you can try running ping -t and see if it

Re: [lwip-users] stm32f107 lwip freeRTOS compile problem

Hi, For some reason we cannot add attachment files. So simply write to me directly and I will send you my sys_srch files write to n...@silrd.com BR, Noam. -Original Message- From: lwip-users [mailto:lwip-users-bounces+noam=silrd@nongnu.org] On Behalf Of Sergio R. Caprile Sent:

Re: [lwip-users] raw API

Hi, I do not know who answered you but there should be no problems streaming data with RAW API. RAW API is faster but trickier to handle. If you know what you are doing take a working module and use it. If you do not have experience in TCP IP you may start with Socket API as it is safer

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