TMDS273GPEVM: TMDS273GPEVM Ethernet Communication between two ECUs Demo Example

Hi Sara,

You can do the communication between the evm.

If you are using two AM273 ECVM then please follow below steps

You can run AM273x MCU+ SDK: Enet Lwip TCP Client Example (ti.com) on one EVM and  AM273x MCU+ SDK: Enet Lwip TCP Server Example (ti.com) this example and another EVM. Configure the IP address properly. You will be able to communicate between two evm.

Let me know if you face any issue.

BR

Nilabh A.

Yes you can do static IP setup:

In the file: examples\networking\lwip\enet_cpsw_tcpserver\app_main.c

1. Comment out DHCP setup function: App_allocateIPAddress();

Next step is to give static ip :

2. Replace function App_setupNetif(); with code below:

static void App_setupNetif()
{
     ip4_addr_t ipaddr, netmask, gw;

     ip4_addr_set_zero(&gw);
     ip4_addr_set_zero(&ipaddr);
     ip4_addr_set_zero(&netmask);
     
    LWIP_PORT_INIT_GW(&gw);
    LWIP_PORT_INIT_IPADDR(&ipaddr);
    LWIP_PORT_INIT_NETMASK(&netmask);
    DebugP_log("Starting lwIP, local interface IP is %s\r\n", ip4addr_ntoa(&ipaddr));

     for (uint32_t i = 0U; i < ENET_SYSCFG_NETIF_COUNT; i++)
     {
         /* Open the netif and get it populated*/
         LwipifEnetApp_netifOpen(NETIF_INST_ID0 + i, &ipaddr, &netmask, &gw);
         g_pNetif[NETIF_INST_ID0 + i] = LwipifEnetApp_getNetifFromId(NETIF_INST_ID0);
         netif_set_status_callback(g_pNetif[NETIF_INST_ID0 + i], App_netifStatusChangeCb);
         netif_set_link_callback(g_pNetif[NETIF_INST_ID0 + i], App_netifLinkChangeCb);
         netif_set_up(g_pNetif[NETIF_INST_ID0 + i]);
    }
    LwipifEnetApp_startSchedule(g_pNetif[ENET_SYSCFG_DEFAULT_NETIF_IDX]);
}

3. In the same file in section below add following lines of code