use ip_set_option for bit setting

helge

2021-11-09 984174fc9274bcbab75bd7b3eefd6023b73aa2d3

 examples/test-LwIP-netconn/scpi_server.c

@@ -253,7 +253,7 @@
        } else {
            /* connection established */
            iprintf("***Connection established %s\r\n", inet_ntoa(newconn->pcb.ip->remote_ip));
            newconn->pcb.tcp->so_options |= SOF_KEEPALIVE;
            ip_set_option(newconn->pcb.tcp, SOF_KEEPALIVE);
            newconn->pcb.tcp->keep_idle   = SCPI_KEEP_IDLE;  // Override TCP_KEEPIDLE_DEFAULT  for this connection.
            newconn->pcb.tcp->keep_intvl  = SCPI_KEEP_INTVL; // Override TCP_KEEPINTVL_DEFAULT for this connection.
            newconn->pcb.tcp->keep_cnt    = SCPI_KEEP_CNT;   // Override TCP_KEEPCNT_DEFAULT   for this connection.
@@ -274,7 +274,7 @@
        } else {
            /* control connection established */
            iprintf("***Control Connection established %s\r\n", inet_ntoa(newconn->pcb.ip->remote_ip));
            newconn->pcb.tcp->so_options |= SOF_KEEPALIVE;
            ip_set_option(newconn->pcb.tcp, SOF_KEEPALIVE);
            newconn->pcb.tcp->keep_idle   = SCPI_KEEP_IDLE;  // Override TCP_KEEPIDLE_DEFAULT  for this connection.
            newconn->pcb.tcp->keep_intvl  = SCPI_KEEP_INTVL; // Override TCP_KEEPINTVL_DEFAULT for this connection.
            newconn->pcb.tcp->keep_cnt    = SCPI_KEEP_CNT;   // Override TCP_KEEPCNT_DEFAULT   for this connection.