CanDefs.cxx

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#include "openlcb/CanDefs.hxx"
 
namespace openlcb
{
 
Defs::MTI CanDefs::nmranet_mti(uint32_t can_id)
{
    switch (get_can_frame_type(can_id))
    {
        default:
            return Defs::MTI_NONE;
        case GLOBAL_ADDRESSED:
            return (Defs::MTI)get_mti(can_id);
        case DATAGRAM_ONE_FRAME:
            /* fall through */
        case DATAGRAM_FIRST_FRAME:
            /* fall through */
        case DATAGRAM_MIDDLE_FRAME:
            /* fall through */
        case DATAGRAM_FINAL_FRAME:
            return Defs::MTI_DATAGRAM;
        case STREAM_DATA:
            return Defs::MTI_STREAM_DATA;
    }
}
 
uint32_t CanDefs::can_identifier(Defs::MTI mti, NodeAlias src)
{
    return ((src << SRC_SHIFT           ) & SRC_MASK) +
           ((mti << MTI_SHIFT           ) & MTI_MASK) +
           ((1   << CAN_FRAME_TYPE_SHIFT)           ) +
           ((1   << FRAME_TYPE_SHIFT    )           ) +
           ((1   << PRIORITY_SHIFT      )           );
}
 
}; /* namespace openlcb */