public static bool checkBuf(byte[] bb)
{
ModbusCRC16 crc16 = new ModbusCRC16();
crc16.update(bb, bb.Length - 2);
int ri = crc16.getValue();
if (bb[bb.Length - 1] == (byte)(ri & 0xff) &&
bb[bb.Length - 2] == (byte)((0xff00 & ri) >> 8))
{
return(true);
}
return(false);
}
//将16进制的字符串转换为带有CRC校验的字节型数组的方法
public static byte[] getSendBuf(String toSend)
{
toSend = toSend.Replace(" ", "");
byte[] bb = HexString2Buf(toSend);
ModbusCRC16 crc16 = new ModbusCRC16();
crc16.update(bb, bb.Length - 2);
int ri = crc16.getValue();
bb[bb.Length - 1] = (byte)(0xff & ri);
bb[bb.Length - 2] = (byte)((0xff00 & ri) >> 8);
return(bb);
}