    #include <stddef.h>

    #define WOLFSSL_CMSIS_RTOS    
    #define WOLFSSL_USER_IO
    #define NO_WRITEV
    #define NO_DEV_RANDOM
    #define HAVE_ECC
    #define HAVE_AESGCM
    #define WOLFSSL_GENSEED_FORTEST
    
    #define WOLFSSL_TLS13
    #define HAVE_TLS_EXTENSIONS 
    #define HAVE_FFDHE_2048
    #define HAVE_HKDF
    #define TLS13_SUPPORTS_0RTT
    #define BUILDING_WOLFSSL
    
    #define WOLFSSL_SHA384
    #define WOLFSSL_SHA512
    #define HAVE_CURVE25519
    #define HAVE_ED25519   /* with HAVE_SHA512 */
    #define HAVE_POLY1305
    #define HAVE_CHACHA
    #define HAVE_ONE_TIME_AUTH
    
    #define NO_SESSION_CACHE // For Small RAM
    //#define IGNORE_KEY_EXTENSIONS
    #define NO_WOLFSSL_DIR  
    #define DEBUG_WOLFSSL

    #define WOLFSSL_STATIC_RSA
    #define HAVE_SUPPORTED_CURVES
    #define HAVE_TLS_EXTENSIONS
    
    #define SIZEOF_LONG_LONG  8
    /* Options for Sample program */
    //#define WOLFSSL_NO_VERIFYSERVER
    //#define NO_FILESYSTEM
    #ifndef WOLFSSL_NO_VERIFYSERVER
        #define TIME_OVERRIDES
        #define XTIME time
        #define XGMTIME localtime
    #endif