Multiple clients with WIZ750SR

bigboy061293 · March 3, 2023, 3:46pm

Hello,

I have 10 modules WIZ750SR.
During the testing, I realize that this module just supports 1 client when it is in the TCP Server mode.
What I want it to increase the maximum clients that it can support upto the maximum numbers within its processing limitation.
Is there any available firmwares that I can use or I have to switch to another chips or modules?

I have used USR-TCP232 for a few months and it allows multiple clients. However, I am looking for the alternatives because of some reasons. I hope you guys can have some time to help on this issue.

Thanks.

bigboy061293 · May 12, 2023, 3:47am

Hi,

It is a big thank if anyone can instruct how to change the socket function in the firmware: reducing the sockets used for UDP and incresing the one used for TCP clients GitHub - Wiznet/WIZ750SR: WIZnet Serial to Ethernet(S2E) module based on W7500 chip, WIZ107/108SR S2E compatible device

Thanks,
Vu.

lawrence · May 23, 2023, 4:37am

Hi, @bigboy061293

Currently, WIZ750SR support only 7 sockets and you can use 5,6 as you want.
Other socket already defined as config function. (socket 0 is data socket)

main socket function is in seg.c
you can refer the do_seg() to make your own socket.

github.com

Wiznet/WIZ750SR/blob/master/Projects/S2E_App/src/Serial_to_Ethernet/seg.c#L114


      
          void add_data_transfer_bytecount(teDATADIR dir, uint16_t len);

          

          // Serial debug messages for verifying data transfer

          uint16_t debugSerial_dataTransfer(uint8_t * buf, uint16_t size, teDEBUGTYPE type);

          #ifdef _TRIGGER_DEBUG_

          	uint8_t trigger_error_index = 0;

          #endif

          

          /* Public & Private functions ------------------------------------------------*/

          

          void do_seg(uint8_t sock)

          {

          	//DevConfig *s2e = get_DevConfig_pointer();

          	struct __network_info *net = (struct __network_info *)get_DevConfig_pointer()->network_info;

          	struct __serial_info *serial = (struct __serial_info *)get_DevConfig_pointer()->serial_info;

          	struct __firmware_update *fwupdate = (struct __firmware_update *)&(get_DevConfig_pointer()->firmware_update);

          	

          //#ifdef _SEG_DEBUG_

          #if 1

          	if(tmp_timeflag_for_debug) // every 1 sec

          	{

If you want 1 more socket, you can control socket memory size as 2KB for socket 0 in main.c,
then you can open socket 5,6,7

bigboy061293 · May 30, 2023, 1:24am

Hi @lawrence
Thanks for the response, it is good to know that the chip is reserved for this purpose. However, how can I conduct a NRE for my purpose?

Vu.

lawrence · May 30, 2023, 7:59am

This is opensource. You can make your own application based on this code.
you can refer the function, void proc_SEG_tcp_client(uint8_t sock) in seg.c

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