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| | | public class CommonV1 { |
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| | | /** |
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| | | * 检查头 |
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| | | * @param bs 上行字节数组 |
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| | | * @return [rt1->true:是本协议P206，false:不是本协议; rt2->true:是水资源协议，false:是升级协议] |
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| | | * @return [【0】->true:是本协议P206，false:不是本协议; 【1】->true:是水资源协议，false:是升级协议] |
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| | | * @throws Exception 异常 |
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| | | */ |
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| | | public Boolean[] isThisProtocolHead(byte[] bs) throws Exception{ |
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| | | return "计算CRC是:" + crcCompute + "，上传CRC是" + crcInBs ; |
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| | | } |
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| | | }else{ |
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| | | int crcCompute = (byte)new CRC16().CRC(bs, ProtocolConstantV206V1.ctrlIndex, bs.length - 3) ; |
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| | | int crcInBs = ByteUtilUnsigned.bytes2Short_BE(bs, bs.length - 3) ; |
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| | | short crcCompute = new CRC16().CRC(bs, 0, bs.length - 4) ; |
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| | | short crcInBs = ByteUtil.bytes2Short_BE(bs,bs.length - 3) ; |
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| | | //int crcInBs = ByteUtilUnsigned.bytes2Short_BE(bs, bs.length - 3) ; |
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| | | if(crcCompute == crcInBs){ |
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| | | return null ; |
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| | | }else{ |
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