Internet Radio

void InternetRadio_tcpc(uint8 s, uint16 port)
{
    int32_t ret;
    uint16 RSR_len;
    uint16 received_len;
    uint8 *data_buf = TX_BUF;
    uint16 sentsize=0, i=0;

    switch (getSn_SR(s))
    {
        case SOCK_ESTABLISHED:                 /* if connection is established */
            if(RadioSocket_status==1)
            {
                printf("\r\nConnected Socket: %d\r\n",s);
                //printf("\r\n RadioSocket_status=1\r\n");
                //Delay_ms(1000);
                ret = send(s, RadioRequest, sizeof(RadioRequest));
                printf("\r\n Send RadioRequest protocol\r\n");
                RadioSocket_status = 2;
            }

            if ((RSR_len = getSn_RX_RSR(s)) > 0)         /* check Rx data */
            {
                if (RSR_len > DATA_BUF_SIZE) RSR_len = DATA_BUF_SIZE;
                received_len = recv(s, data_buf, RSR_len);         /* read the received data */
                printf("\r\n Receive Data Num %d", received_len);
                sentsize =0;
                while(received_len != sentsize)
                {
                    while (VS1003_Ready()==Bit_SET)
                    {
                        //printf("\r\n VS1003 Data process start\r\n");
                        for (i=0; i<received_len; i++)
                        {
                            VS1003_WriteData(data_buf[i]);
                            Delay_us(250);
                            Delay_us(30);
                        }
                        //Delay_ms(10);
                        sentsize += received_len;
                        if (sentsize>=received_len) return;
                    }
                 }
            }
          break;
        case SOCK_CLOSE_WAIT:                     /* If the client request to close */
            printf("\r\n%d : CLOSE_WAIT", s);
            if ((RSR_len = getSn_RX_RSR(s)) > 0)         /* check Rx data */
            {
                 if (RSR_len > DATA_BUF_SIZE) RSR_len = DATA_BUF_SIZE; 
ret = received_len = recv(s, data_buf, RSR_len);
            }
            RadioSocket_status = 0;
            disconnect(s);
            break;
        case SOCK_CLOSED:           /* if a socket is closed */
            if(!RadioSocket_status)
            {
                printf("\r\n%d : Loop-Back TCP Client Started. port: %d\r\n", s, port);
                RadioSocket_status = 1;
            }
            if(socket(s, Sn_MR_TCP, port++, 0x00) == 0)    /* reinitialize the socket */
            {
                printf("\a%d : Fail to create socket.",s);
                RadioSocket_status = 0;
                any_port=port;
            }

            break;
        case SOCK_INIT:     /* if a socket is initiated */
connect(s, Dest_IP, Dest_PORT); 
break;
        default:
            break;
    }
}