Ethernet Echo Server

Posted on November 10, 2016 at 09:40

Hi,

I have a problem about ethernet echo server.Sended data from client can be readed but with echo. Besides, I want to send data to client.Because of this;

uint8_t buffer[8];

 buffer[0] = (0xFF000000 & (uint32_t)(100)) >> 24;

     buffer[1] = (0x00FF0000 & (uint32_t)(100)) >> 16;

     buffer[2] = (0x0000FF00 & (uint32_t)(100)) >> 8;

     buffer[3] = (0x000000FF & (uint32_t)(100));

     buffer[4] = (0xFF000000 & (uint32_t)(300)) >> 24;

     buffer[5] = (0x00FF0000 & (uint32_t)(300)) >> 16;

     buffer[6] = (0x0000FF00 & (uint32_t)(300)) >> 8;

     buffer[7] = (0x000000FF & (uint32_t)(300));

    /* enqueue data for transmission */

     wr_err = tcp_write(tpcb, ptr->payload, ptr->len, 1);

     wr_err = tcp_write(tpcb, &buffer, 8, 1);

This function is written in static void tcp_echoserver_send().But with this way , data is made echo.How can be closed echo ?

#ethernet #cubemx #lwip