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| | | package com.dy.common.mw.protocol.p206V2.parse.global; |
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| | | import com.dy.common.mw.protocol.p206V1.ProtocolConstantV206V1; |
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| | | import com.dy.common.mw.protocol.p206V2.ProtocolConstantV206V2; |
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| | | import com.dy.common.util.*; |
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| | | public static void createLen4PUg(byte[] bytes) throws Exception { |
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| | | int len = bytes.length - 4; |
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| | | byte[] bs = ByteUtil.int2BCD_LE(len) ; |
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| | | byte[] bs = ByteUtil.short2Bytes_LE((short)len) ; |
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| | | if(bs != null && bs.length == 1){ |
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| | | bytes[1] = 0 ; |
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| | | bytes[2] = bs[0] ; |
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| | | } |
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| | | |
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| | | public static byte[] createCrcTail4Ug(byte[] bsNoTail) throws Exception { |
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| | | int crc = new CRC16().CRC(bsNoTail, 0, bsNoTail.length -1) ; |
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| | | int crc = new CRC16().CRC16_table(bsNoTail, 0, bsNoTail.length -1) ; |
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| | | byte[] crcBs = new byte[4] ; |
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| | | ByteUtil.int2Bytes_BE(crcBs, crc, 0); |
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| | | byte[] bytes = new byte[ProtocolConstantV206V2.UG_lenTail] ; |
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| | | ByteUtilUnsigned.short2Bytes_BE(bytes, crc, 0); |
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| | | bytes[2] = ProtocolConstantV206V2.P_Tail_Byte ; |
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| | | bytes[0] = crcBs[2] ; |
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| | | bytes[1] = crcBs[3] ; |
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| | | bytes[2] = ProtocolConstantV206V1.P_Tail_Byte ; |
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| | | return bytes ; |
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| | | } |
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| | | } |
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