Hi, I’m testing the FREERTOS+TCP implementation with an STM32F407. I’ve run into the following issue when building with GCC (5.1): error: NetworkInterface.cpp:289:1: sorry, unimplemented : non-trivial designated initializers not supported }; It turns out to be an issue with using C initializers with C++. I’ve moved the initializers into the struct definition, remove the const PhyProperties_t xPHYProperties declaration and called the initilizer in vMACBProbePhy. All this seem to have made the compiler happy. ~~~~ typedef struct PhyPropertiest { uint8t speed; uint8t mdix; uint8t duplex; uint8t spare;

void  intialize()
{
    #if( ipconfigETHERNET_AN_ENABLE != 0 )
        speed = PHY_SPEED_AUTO;
        duplex = PHY_DUPLEX_AUTO;
    #else
        #if( ipconfigETHERNET_USE_100MB != 0 )
            speed = PHY_SPEED_100;
        #else
            speed = PHY_SPEED_10;
        #endif

        #if( ipconfigETHERNET_USE_FULL_DUPLEX != 0 )
            duplex = PHY_DUPLEX_FULL;
        #else
            duplex = PHY_DUPLEX_HALF;
        #endif
    #endif

    #if( ipconfigETHERNET_AN_ENABLE != 0 ) && ( ipconfigETHERNET_AUTO_CROSS_ENABLE != 0 )
        mdix = PHY_MDIX_AUTO;
    #elif( ipconfigETHERNET_CROSSED_LINK != 0 )
        mdix = PHY_MDIX_CROSSED;
    #else
        mdix = PHY_MDIX_DIRECT;
    #endif
}

} PhyProperties_t; ~~~~ ~~~~ void vMACBProbePhy( void ) { uint32t ulPhyControl, ulConfig, ulAdvertise, ulLower, ulUpper, ulMACPhyID, ulValue; TimeOutt xPhyTime; TickType_t xRemTime = 0;

/* For local use only: describe the PHY's properties: */
PhyProperties_t xPHYProperties;
xPHYProperties.intialize();

HAL_ETH_ReadPHYRegister(&xETH, PHY_REG_03_PHYSID2, &ulLower);
...

~~~~

Forget this. I just realized that I had changed the NetworkInterface.c to NetworkInterface.cpp for some testing and, obviouslly the struct initializers wouldn’t work.

No problem. The struct initialisers, in my opinion, was something very useful that was dropped in C++. Maybe because they were rarely used. Here is an example of an array: ~~~~ Topologyt xTopologies[ XPARXEMACPSNUMINSTANCES ] = { [0] = { .emacbaseaddr = XPARPS7ETHERNET0BASEADDR, .emactype = xemactypeemacps, }, [1] = { .emacbaseaddr = XPARPS7ETHERNET1BASEADDR, .emactype = xemactypeemacps, }, }; ~~~~ All fields not mentioned will default to zero, great! Within C++, this would be the unsafe surrogate: ~~~~ Topologyt xTopologies[ XPARXEMACPSNUMINSTANCES ] = { { XPARPS7ETHERNET0BASEADDR, xemactypeemacps, }, { XPARPS7ETHERNET1BASEADDR, xemactypeemacps, }, }; ~~~~ it just assumes that emac_baseaddr and emac_type are the first two fields of the struct. Regards, Hein