Changing IP properties in NDK during run-time (in httpServer Example)

Hello Judah,

    Thanks for pointing out the solution, it worked. But I still wonder how to enable & disable DHCP during runtime. Also how to set the IP gateway apart from setting IP Address & Subnet Mask.

    Can you please help me in these issues too?

    

Thanks

Regards

Soumyajit

Please see if this post helps you:

http://e2e.ti.com/support/embedded/tirtos/f/355/t/294840.aspx

Judah

Hi   Soumyajit

        I am now using the TI-RTOS and I encountered the same problem. Will you be able to let me see your the solution of example ?

         

I'm looking forward to your reply!

Thanks

Hello,

    I have added a function named "functionNetworkOpenHook" to my project; this function is called by the network stack when the network opens/starts.

    Then I have added "Global.networkOpenHook = "&functionNetworkOpenHook";" to my configuration file.

The details are provided below. I would suggest that you open your config file (.cfg), then add "Global.networkOpenHook = "&functionNetworkOpenHook";" to it. Then you can put the whole function in a .c file as I have provided below. This should ideally work.

----------------------------------------------------------------------------------------------------------------------------

// the following is the content of a .c file

Void functionNetworkOpenHook(Void)

{
CI_IPNET NA;

HANDLE hCfgIpAddr;

/* Setup manual IP address */
bzero(&NA, sizeof(NA));
NA.IPAddr = inet_addr("192.168.1.2");
NA.IPMask = inet_addr("255.255.255.0");
strcpy(NA.Domain, "demo.net");
NA.NetType = 0;

/* get the current static IP entry */
CfgGetEntry(0, CFGTAG_IPNET, 1, 1, &hCfgIpAddr);

/* remove the current static IP entry */
CfgRemoveEntry(0, hCfgIpAddr);

/* add a new static IP entry */
CfgAddEntry(0, CFGTAG_IPNET, 1, 0,
sizeof(CI_IPNET), (UINT8 *)&NA, 0);
}

----------------------------------------------------------------------------------------------------------------------------

// the following is the contents of the .cfg file

/* ================ Driver configuration ================ */

var TIRTOS = xdc.useModule('ti.tirtos.TIRTOS');
var GPIO = xdc.useModule('ti.drivers.GPIO');
var SDSPI = xdc.useModule('ti.drivers.SDSPI');
var USBMSCHFatFs = xdc.useModule('ti.drivers.USBMSCHFatFs');
GPIO.libType = GPIO.LibType_NonInstrumented;
SDSPI.libType = SDSPI.LibType_NonInstrumented;
USBMSCHFatFs.libType = USBMSCHFatFs.LibType_NonInstrumented;
var I2C = xdc.useModule('ti.drivers.I2C');
I2C.libType = I2C.LibType_NonInstrumented;
Global.IPv6 = false;
Ip.autoIp = false;
Ip.address = "192.168.1.0";
Ip.mask = "255.255.255.0";
Ip.gatewayIpAddr = "192.168.1.2";
var http0Params = new Http.Params();
var http0 = Http.create(http0Params);
EMAC.libType = EMAC.LibType_NonInstrumented;
Global.stackInitHook = "&AddWebFiles";
Global.stackDeleteHook = "&RemoveWebFiles";
Global.networkIPAddrHook = null;
Global.networkOpenHook = "&functionNetworkOpenHook";
Global.stackBeginHook = null;
Global.ndkThreadStackSize = 2048;
Global.pktSizeFrameBuf = 1536;

----------------------------------------------------------------------------------------------------------------------------

ALSO note that these following two files are included in a header file which is included in the c file where the function "functionNetworkOpenHook" is residing.

#include <ti/ndk/inc/netmain.h>
#include <ti/ndk/inc/_stack.h>

    Do post whether the solution worked or NOT!!!

Regards

Soumyajit

Hi  Soumyajit

        I am very pleased to receive your reply.My board suddenly broken. After I fix it, I will immediately verify your answer.I wonder if "Void functionNetworkOpenHook (Void)" In addition to the above functions outside can also create a task or two task? As shown below:

// the following is the content of a .c file

Void functionNetworkOpenHook(Void)

{
CI_IPNET NA;

HANDLE hCfgIpAddr;

/* Setup manual IP address */
bzero(&NA, sizeof(NA));
NA.IPAddr = inet_addr("192.168.1.2");
NA.IPMask = inet_addr("255.255.255.0");
strcpy(NA.Domain, "demo.net");
NA.NetType = 0;

/* get the current static IP entry */
CfgGetEntry(0, CFGTAG_IPNET, 1, 1, &hCfgIpAddr);

/* remove the current static IP entry */
CfgRemoveEntry(0, hCfgIpAddr);

/* add a new static IP entry */
CfgAddEntry(0, CFGTAG_IPNET, 1, 0,
sizeof(CI_IPNET), (UINT8 *)&NA, 0);

Task_Handle taskHandle;
Task_Params taskParams;
Error_Block eb;

/* Make sure Error_Block is initialized */
Error_init(&eb);

/*
* Create the Task that handles UDP "connections."
* arg0 will be the port that this task listens to.
*/
Task_Params_init(&taskParams);
taskParams.stackSize = 1024;
taskParams.priority = 1;
taskParams.arg0 = UDPPORT;
taskHandle = Task_create((Task_FuncPtr)udpHandler, &taskParams, &eb);
if (taskHandle == NULL) {
System_printf("main: Failed to create udpHandler Task\n");
}

}

I look forward to your reply！

Thanks!

Ideally, the task creation inside the said function should work. If it doesn't, you may make use of a flag (or binary semaphore) that will trigger some other function (that is already running) or task to create the new task.

Regards

Soumyajit

If my replies help you in solving your issues, then do mark these posts as answered....

After I fix my development board, I have a try.

If you do not mind whether to leave your contact information? I'm working on and your work is very similar, and hope to have more communication.

You can reach me at mail567@yahoo.co.in

But still I prefer that for technical issues you post in E2E forum so that any other member can benefit out of our discussion(s)...

You may please provide your contact information too

Regards

Soumyajit

Ok, I agree with your point of view. You are great.

                                                         Nice to meet you！

Hi Soumyajit
You said“ In my application, I have to give control to the user who can set these parameters as he wants.”I now need to do, but I do not know how to put those arguments to the user? May I ask you give me your routine did do it?

Regards
Lewis

Hi Soumyajit
You said " In my application, I have to give control to the user who can set these parameters as he wants."I now need to put those arguments to the user, but I do not know. May I ask you give me your routine done it?

Regards
Lewis

Hi  Soumyajit

     

        You said " In your  application, You have to give control to the user who can set these parameters as he wants."

        I do not know the manner in which you put the relevant parameters to the user, and allow users to control it. Can you tell me? If you can put your example of success, it would be very nice.

Regards

Lewis

 

Hi Soumyajit
I am very happy to receive your reply! Also very grateful to you for helping me, I am willing to try your method. In your project file, I see you use the file system module TI-RTOS system, I have seen the relevant documents, it seems that only when the file system is mounted USB or SD card when you can use it? If I did not mount USB and SD card I can use TI-RTOS directly inside the file system?
I look forward to your reply!
Thanks
Lewis

Hi Lewis,
Its true that the file system FatFs is used in conjunction with SD card & USB Thumb drive but even the ethernet module uses a RAM based embedded file system. Refer this link for your reference http://processors.wiki.ti.com/index.php/TI-RTOS_HTTP_Example. In this link you will find a .ppt file (inside the downloadable zip file). Go through it & you will see that the EFS (Embedded File System) is used even without enabling the FatFs of the TI-RTOS.
May I know what project you are working on or what you are trying to accomplish, may be then I can help you more or help you specifically for your project.
-
Thanks
Regards
Soumyajit