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DM6437的resizer官方例程中，32个滤波参数中有负值。请问该怎么把负值写进寄存器中？是HFILToe.COEFo和HFILToe.COEFe，以及VFILToe.COEFo和VFILToe.COEFe。该怎么写负值呢？直接取反加1吗？
