HALF_DUPLEX
if (duplex == HALF_DUPLEX)
*duplex = HALF_DUPLEX;
if (duplex == HALF_DUPLEX)
*duplex = HALF_DUPLEX;
*duplex = HALF_DUPLEX;
*duplex = HALF_DUPLEX;
*duplex = HALF_DUPLEX;
if (duplex == HALF_DUPLEX && speed == SPEED_10) {
if (duplex == HALF_DUPLEX)
*duplex = HALF_DUPLEX;
*duplex = HALF_DUPLEX;