DP83848_GetLinkState() function

DP83848_STATUS_LINK_DOWN if link is down DP83848_STATUS_AUTONEGO_NOTDONE if Auto nego not completed DP83848_STATUS_100MBITS_FULLDUPLEX if 100Mb/s FD DP83848_STATUS_100MBITS_HALFDUPLEX if 100Mb/s HD DP83848_STATUS_10MBITS_FULLDUPLEX if 10Mb/s FD DP83848_STATUS_10MBITS_HALFDUPLEX if 10Mb/s HD DP83848_STATUS_READ_ERROR if connot read register DP83848_STATUS_WRITE_ERROR if connot write to register